Merge branch 'release-v0.5.0' of github.com:matrix-org/synapse

This commit is contained in:
Erik Johnston 2014-11-19 18:03:57 +00:00
commit 19977b4659
202 changed files with 5049 additions and 65806 deletions

14
.gitignore vendored
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@ -1,6 +1,7 @@
*.pyc
.*.swp
.DS_Store
_trial_temp/
logs/
dbs/
@ -11,6 +12,14 @@ docs/build/
cmdclient_config.json
homeserver*.db
homeserver*.log
homeserver*.pid
homeserver*.yaml
*.signing.key
*.tls.crt
*.tls.dh
*.tls.key
.coverage
htmlcov
@ -24,7 +33,8 @@ graph/*.svg
graph/*.png
graph/*.dot
webclient/config.js
webclient/test/environment-protractor.js
**/webclient/config.js
**/webclient/test/coverage/
**/webclient/test/environment-protractor.js
uploads

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@ -1,3 +1,27 @@
Changes in synapse 0.5.0 (2014-11-19)
=====================================
This release includes changes to the federation protocol and client-server API
that is not backwards compatible.
This release also changes the internal database schemas and so requires servers to
drop their current history. See UPGRADES.rst for details.
Homeserver:
* Add authentication and authorization to the federation protocol. Events are
now signed by their originating homeservers.
* Implement the new authorization model for rooms.
* Split out web client into a seperate repository: matrix-angular-sdk.
* Change the structure of PDUs.
* Fix bug where user could not join rooms via an alias containing 4-byte
UTF-8 characters.
* Merge concept of PDUs and Events internally.
* Improve logging by adding request ids to log lines.
* Implement a very basic room initial sync API.
* Implement the new invite/join federation APIs.
Webclient:
* The webclient has been moved to a seperate repository.
Changes in synapse 0.4.2 (2014-10-31)
=====================================

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@ -1,3 +1,4 @@
recursive-include docs *
recursive-include tests *.py
recursive-include synapse/persistence/schema *.sql
recursive-include synapse/storage/schema *.sql
recursive-include syweb/webclient *

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@ -4,9 +4,9 @@ Introduction
Matrix is an ambitious new ecosystem for open federated Instant Messaging and
VoIP. The basics you need to know to get up and running are:
- Chatrooms are distributed and do not exist on any single server. Rooms
can be found using aliases like ``#matrix:matrix.org`` or
``#test:localhost:8008`` or they can be ephemeral.
- Everything in Matrix happens in a room. Rooms are distributed and do not
exist on any single server. Rooms can be located using convenience aliases
like ``#matrix:matrix.org`` or ``#test:localhost:8008``.
- Matrix user IDs look like ``@matthew:matrix.org`` (although in the future
you will normally refer to yourself and others using a 3PID: email
@ -17,56 +17,12 @@ The overall architecture is::
client <----> homeserver <=====================> homeserver <----> client
https://somewhere.org/_matrix https://elsewhere.net/_matrix
WARNING
=======
**Synapse is currently in a state of rapid development, and not all features
are yet functional. Critically, some security features are still in
development, which means Synapse can *not* be considered secure or reliable at
this point.** For instance:
- **SSL Certificates used by server-server federation are not yet validated.**
- **Room permissions are not yet enforced on traffic received via federation.**
- **Homeservers do not yet cryptographically sign their events to avoid
tampering**
- Default configuration provides open signup to the service from the internet
Despite this, we believe Synapse is more than useful as a way for experimenting
and exploring Synapse, and the missing features will land shortly. **Until
then, please do *NOT* use Synapse for any remotely important or secure
communication.**
Quick Start
===========
System requirements:
- POSIX-compliant system (tested on Linux & OSX)
- Python 2.7
To get up and running:
- To simply play with an **existing** homeserver you can
just go straight to http://matrix.org/alpha.
- To run your own **private** homeserver on localhost:8008, generate a basic
config file: ``./synctl start`` will give you instructions on how to do this.
For this purpose, you can use 'localhost' or your hostname as a server name.
Once you've done so, running ``./synctl start`` again will start your private
home sserver. You will find a webclient running at http://localhost:8008.
Please use a recent Chrome or Firefox for now (or Safari if you don't need
VoIP support).
- To run a **public** homeserver and let it exchange messages with other
homeservers and participate in the global Matrix federation, you must expose
port 8448 to the internet and edit homeserver.yaml to specify server_name
(the public DNS entry for this server) and then run ``synctl start``. If you
changed the server_name, you may need to move the old database
(homeserver.db) out of the way first. Then come join ``#matrix:matrix.org``
and say hi! :)
For more detailed setup instructions, please see further down this document.
``#matrix:matrix.org`` is the official support room for Matrix, and can be
accessed by the web client at http://matrix.org/alpha or via an IRC bridge at
irc://irc.freenode.net/matrix.
Synapse is currently in rapid development, but as of version 0.5 we believe it
is sufficiently stable to be run as an internet-facing service for real usage!
About Matrix
============
@ -76,10 +32,10 @@ which handle:
- Creating and managing fully distributed chat rooms with no
single points of control or failure
- Eventually-consistent cryptographically secure[1] synchronisation of room
- Eventually-consistent cryptographically secure synchronisation of room
state across a global open network of federated servers and services
- Sending and receiving extensible messages in a room with (optional)
end-to-end encryption[2]
end-to-end encryption[1]
- Inviting, joining, leaving, kicking, banning room members
- Managing user accounts (registration, login, logout)
- Using 3rd Party IDs (3PIDs) such as email addresses, phone numbers,
@ -111,56 +67,121 @@ Synapse ships with two basic demo Matrix clients: webclient (a basic group chat
web client demo implemented in AngularJS) and cmdclient (a basic Python
command line utility which lets you easily see what the JSON APIs are up to).
We'd like to invite you to take a look at the Matrix spec, try to run a
homeserver, and join the existing Matrix chatrooms already out there,
experiment with the APIs and the demo clients, and let us know your thoughts at
https://github.com/matrix-org/synapse/issues or at matrix@matrix.org.
Meanwhile, iOS and Android SDKs and clients are currently in development and available from:
Thanks for trying Matrix!
* https://github.com/matrix-org/matrix-ios-sdk
* https://github.com/matrix-org/matrix-android-sdk
[1] Cryptographic signing of messages isn't turned on yet
We'd like to invite you to join #matrix:matrix.org (via http://matrix.org/alpha), run a homeserver, take a look at the Matrix spec at
http://matrix.org/docs/spec, experiment with the APIs and the demo
clients, and report any bugs via http://matrix.org/jira.
[2] End-to-end encryption is currently in development
Thanks for using Matrix!
[1] End-to-end encryption is currently in development
Homeserver Installation
=======================
First, the dependencies need to be installed. Start by installing
'python2.7-dev' and the various tools of the compiler toolchain.
System requirements:
- POSIX-compliant system (tested on Linux & OSX)
- Python 2.7
Installing prerequisites on Ubuntu::
Synapse is written in python but some of the libraries is uses are written in
C. So before we can install synapse itself we need a working C compiler and the
header files for python C extensions.
$ sudo apt-get install build-essential python2.7-dev libffi-dev
Installing prerequisites on Ubuntu or Debian::
$ sudo apt-get install build-essential python2.7-dev libffi-dev \
python-pip python-setuptools
Installing prerequisites on Mac OS X::
$ xcode-select --install
To install the synapse homeserver run::
$ pip install --user --process-dependency-links https://github.com/matrix-org/synapse/tarball/master
This installs synapse, along with the libraries it uses, into
``$HOME/.local/lib/`` on Linux or ``$HOME/Library/Python/2.7/lib/`` on OSX.
Troubleshooting Installation
----------------------------
Synapse requires pip 1.7 or later, so if your OS provides too old a version and
you get errors about ``error: no such option: --process-dependency-links`` you
may need to manually upgrade it::
$ sudo pip install --upgrade pip
If pip crashes mid-installation for reason (e.g. lost terminal), pip may
refuse to run until you remove the temporary installation directory it
created. To reset the installation::
$ rm -rf /tmp/pip_install_matrix
pip seems to leak *lots* of memory during installation. For instance, a Linux
host with 512MB of RAM may run out of memory whilst installing Twisted. If this
happens, you will have to individually install the dependencies which are
failing, e.g.:
$ pip install --user twisted
Running Your Homeserver
=======================
To actually run your new homeserver, pick a working directory for Synapse to run
(e.g. ``~/.synapse``), and::
$ mkdir ~/.synapse
$ cd ~/.synapse
$ # on Linux
$ ~/.local/bin/synctl start
$ # on OSX
$ ~/Library/Python/2.7/bin/synctl start
Troubleshooting Running
-----------------------
If ``synctl`` fails with ``pkg_resources.DistributionNotFound`` errors you may
need a newer version of setuptools than that provided by your OS.
$ sudo pip install setuptools --upgrade
If synapse fails with ``missing "sodium.h"`` crypto errors, you may need
to manually upgrade PyNaCL, as synapse uses NaCl (http://nacl.cr.yp.to/) for
encryption and digital signatures.
Unfortunately PyNACL currently has a few issues
(https://github.com/pyca/pynacl/issues/53) and
(https://github.com/pyca/pynacl/issues/79) that mean it may not install
correctly, causing all tests to fail with errors about missing "sodium.h". To
fix try re-installing from PyPI or directly from
(https://github.com/pyca/pynacl)::
$ # Install from PyPI
$ pip install --user --upgrade --force pynacl
$ # Install from github
$ pip install --user https://github.com/pyca/pynacl/tarball/master
Homeserver Development
======================
To check out a homeserver for development, clone the git repo into a working
directory of your choice:
$ git clone https://github.com/matrix-org/synapse.git
$ cd synapse
The homeserver has a number of external dependencies, that are easiest
to install by making setup.py do so, in --user mode::
$ python setup.py develop --user
You'll need a version of setuptools new enough to know about git, so you
may need to also run::
$ sudo apt-get install python-pip
$ sudo pip install --upgrade setuptools
If you don't have access to github, then you may need to install ``syutil``
manually by checking it out and running ``python setup.py develop --user`` on
it too.
If you get errors about ``sodium.h`` being missing, you may also need to
manually install a newer PyNaCl via pip as setuptools installs an old one. Or
you can check PyNaCl out of git directly (https://github.com/pyca/pynacl) and
installing it. Installing PyNaCl using pip may also work (remember to remove
any other versions installed by setuputils in, for example, ~/.local/lib).
On OSX, if you encounter ``clang: error: unknown argument: '-mno-fused-madd'``
you will need to ``export CFLAGS=-Qunused-arguments``.
This will run a process of downloading and installing into your
user's .local/lib directory all of the required dependencies that are
missing.
@ -180,8 +201,8 @@ This should end with a 'PASSED' result::
Upgrading an existing homeserver
================================
Before upgrading an existing homeserver to a new version, please refer to
UPGRADE.rst for any additional instructions.
IMPORTANT: Before upgrading an existing homeserver to a new version, please
refer to UPGRADE.rst for any additional instructions.
Setting up Federation
@ -202,18 +223,15 @@ IDs:
domain name.
For the first form, simply pass the required hostname (of the machine) as the
--host parameter::
--server-name parameter::
$ python synapse/app/homeserver.py \
$ python -m synapse.app.homeserver \
--server-name machine.my.domain.name \
--config-path homeserver.config \
--generate-config
$ python synapse/app/homeserver.py --config-path homeserver.config
$ python -m synapse.app.homeserver --config-path homeserver.config
Alternatively, you can run synapse via synctl - running ``synctl start`` to
generate a homeserver.yaml config file, where you can then edit server-name to
specify machine.my.domain.name, and then set the actual server running again
with synctl start.
Alternatively, you can run ``synctl start`` to guide you through the process.
For the second form, first create your SRV record and publish it in DNS. This
needs to be named _matrix._tcp.YOURDOMAIN, and point at at least one hostname
@ -221,17 +239,19 @@ and port where the server is running. (At the current time synapse does not
support clustering multiple servers into a single logical homeserver). The DNS
record would then look something like::
$ dig -t srv _matrix._tcp.machine.my.domaine.name
_matrix._tcp IN SRV 10 0 8448 machine.my.domain.name.
At this point, you should then run the homeserver with the hostname of this
SRV record, as that is the name other machines will expect it to have::
$ python synapse/app/homeserver.py \
$ python -m synapse.app.homeserver \
--server-name YOURDOMAIN \
--bind-port 8448 \
--config-path homeserver.config \
--generate-config
$ python synapse/app/homeserver.py --config-path homeserver.config
$ python -m synapse.app.homeserver --config-path homeserver.config
You may additionally want to pass one or more "-v" options, in order to
@ -250,6 +270,8 @@ private federation (``localhost:8080``, ``localhost:8081`` and
http://localhost:8080. Simply run::
$ demo/start.sh
This is mainly useful just for development purposes.
Running The Demo Web Client
===========================
@ -308,13 +330,14 @@ time.
Where's the spec?!
==================
For now, please go spelunking in the ``docs/`` directory to find out.
The source of the matrix spec lives at https://github.com/matrix-org/matrix-doc.
A recent HTML snapshot of this lives at http://matrix.org/docs/spec
Building Internal API Documentation
===================================
Before building internal API documentation install spinx and
Before building internal API documentation install sphinx and
sphinxcontrib-napoleon::
$ pip install sphinx

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@ -1,3 +1,33 @@
Upgrading to v0.5.0
===================
This release completely changes the database schema and so requires upgrading
it before starting the new version of the homeserver.
The script "database-prepare-for-0.5.0.sh" should be used to upgrade the
database. This will save all user information, such as logins and profiles,
but will otherwise purge the database. This includes messages, which
rooms the home server was a member of and room alias mappings.
If you would like to keep your history, please take a copy of your database
file and ask for help in #matrix:matrix.org. The upgrade process is,
unfortunately, non trivial and requires human intervention to resolve any
resutling conflicts during the upgrade process.
Before running the command the homeserver should be first completely
shutdown. To run it, simply specify the location of the database, e.g.:
./database-prepare-for-0.5.0.sh "homeserver.db"
Once this has successfully completed it will be safe to restart the
homeserver. You may notice that the homeserver takes a few seconds longer to
restart than usual as it reinitializes the database.
On startup of the new version, users can either rejoin remote rooms using room
aliases or by being reinvited. Alternatively, if any other homeserver sends a
message to a room that the homeserver was previously in the local HS will
automatically rejoin the room.
Upgrading to v0.4.0
===================

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@ -1 +1 @@
0.4.2
0.5.0

21
database-prepare-for-0.5.0.sh Executable file
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@ -0,0 +1,21 @@
#!/bin/bash
# This is will prepare a synapse database for running with v0.5.0 of synapse.
# It will store all the user information, but will *delete* all messages and
# room data.
set -e
cp "$1" "$1.bak"
DUMP=$(sqlite3 "$1" << 'EOF'
.dump users
.dump access_tokens
.dump presence
.dump profiles
EOF
)
rm "$1"
sqlite3 "$1" <<< "$DUMP"

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@ -32,7 +32,7 @@ for port in 8080 8081 8082; do
-D --pid-file "$DIR/$port.pid" \
--manhole $((port + 1000)) \
--tls-dh-params-path "demo/demo.tls.dh" \
$PARAMS
$PARAMS $SYNAPSE_PARAMS
python -m synapse.app.homeserver \
--config-path "demo/etc/$port.config" \
@ -40,7 +40,4 @@ for port in 8080 8081 8082; do
done
echo "Starting webclient on port 8000..."
python "demo/webserver.py" -p 8000 -P "$DIR/webserver.pid" "webclient"
cd "$CWD"

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@ -1,3 +1,9 @@
.. WARNING::
These architecture notes are spectacularly old, and date back to when Synapse
was just federation code in isolation. This should be merged into the main
spec.
= Server to Server =
== Server to Server Stack ==

68
docs/architecture.rst Normal file
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@ -0,0 +1,68 @@
Synapse Architecture
====================
As of the end of Oct 2014, Synapse's overall architecture looks like::
synapse
.-----------------------------------------------------.
| Notifier |
| ^ | |
| | | |
| .------------|------. |
| | handlers/ | | |
| | v | |
| | Event*Handler <--------> rest/* <=> Client
| | Rooms*Handler | |
HSes <=> federation/* <==> FederationHandler | |
| | | PresenceHandler | |
| | | TypingHandler | |
| | '-------------------' |
| | | | |
| | state/* | |
| | | | |
| | v v |
| `--------------> storage/* |
| | |
'--------------------------|--------------------------'
v
.----.
| DB |
'----'
* Handlers: business logic of synapse itself. Follows a set contract of BaseHandler:
- BaseHandler gives us onNewRoomEvent which: (TODO: flesh this out and make it less cryptic):
+ handle_state(event)
+ auth(event)
+ persist_event(event)
+ notify notifier or federation(event)
- PresenceHandler: use distributor to get EDUs out of Federation. Very
lightweight logic built on the distributor
- TypingHandler: use distributor to get EDUs out of Federation. Very
lightweight logic built on the distributor
- EventsHandler: handles the events stream...
- FederationHandler: - gets PDU from Federation Layer; turns into an event;
follows basehandler functionality.
- RoomsHandler: does all the room logic, including members - lots of classes in
RoomsHandler.
- ProfileHandler: talks to the storage to store/retrieve profile info.
* EventFactory: generates events of particular event types.
* Notifier: Backs the events handler
* REST: Interfaces handlers and events to the outside world via HTTP/JSON.
Converts events back and forth from JSON.
* Federation: holds the HTTP client & server to talk to other servers. Does
replication to make sure there's nothing missing in the graph. Handles
reliability. Handles txns.
* Distributor: generic event bus. used for presence & typing only currently.
Notifier could be implemented using Distributor - so far we are only using for
things which actually /require/ dynamic pluggability however as it can
obfuscate the actual flow of control.
* Auth: helper singleton to say whether a given event is allowed to do a given
thing (TODO: put this on the diagram)
* State: helper singleton: does state conflict resolution. You give it an event
and it tells you if it actually updates the state or not, and annotates the
event up properly and handles merge conflict resolution.
* Storage: abstracts the storage engine.

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@ -1,149 +0,0 @@
API Efficiency
==============
A simple implementation of presence messaging has the ability to cause a large
amount of Internet traffic relating to presence updates. In order to minimise
the impact of such a feature, the following observations can be made:
* There is no point in a Home Server polling status for peers in a user's
presence list if the user has no clients connected that care about it.
* It is highly likely that most presence subscriptions will be symmetric - a
given user watching another is likely to in turn be watched by that user.
* It is likely that most subscription pairings will be between users who share
at least one Room in common, and so their Home Servers are actively
exchanging message PDUs or transactions relating to that Room.
* Presence update messages do not need realtime guarantees. It is acceptable to
delay delivery of updates for some small amount of time (10 seconds to a
minute).
The general model of presence information is that of a HS registering its
interest in receiving presence status updates from other HSes, which then
promise to send them when required. Rather than actively polling for the
currentt state all the time, HSes can rely on their relative stability to only
push updates when required.
A Home Server should not rely on the longterm validity of this presence
information, however, as this would not cover such cases as a user's server
crashing and thus failing to inform their peers that users it used to host are
no longer available online. Therefore, each promise of future updates should
carry with a timeout value (whether explicit in the message, or implicit as some
defined default in the protocol), after which the receiving HS should consider
the information potentially stale and request it again.
However, because of the likelyhood that two home servers are exchanging messages
relating to chat traffic in a room common to both of them, the ongoing receipt
of these messages can be taken by each server as an implicit notification that
the sending server is still up and running, and therefore that no status changes
have happened; because if they had the server would have sent them. A second,
larger timeout should be applied to this implicit inference however, to protect
against implementation bugs or other reasons that the presence state cache may
become invalid; eventually the HS should re-enquire the current state of users
and update them with its own.
The following workflows can therefore be used to handle presence updates:
1 When a user first appears online their HS sends a message to each other HS
containing at least one user to be watched; each message carrying both a
notification of the sender's new online status, and a request to obtain and
watch the target users' presence information. This message implicitly
promises the sending HS will now push updates to the target HSes.
2 The target HSes then respond a single message each, containing the current
status of the requested user(s). These messages too implicitly promise the
target HSes will themselves push updates to the sending HS.
As these messages arrive at the sending user's HS they can be pushed to the
user's client(s), possibly batched again to ensure not too many small
messages which add extra protocol overheads.
At this point, all the user's clients now have the current presence status
information for this moment in time, and have promised to send each other
updates in future.
3 The HS maintains two watchdog timers per peer HS it is exchanging presence
information with. The first timer should have a relatively small expiry
(perhaps 1 minute), and the second timer should have a much longer time
(perhaps 1 hour).
4 Any time any kind of message is received from a peer HS, the short-term
presence timer associated with it is reset.
5 Whenever either of these timers expires, an HS should push a status reminder
to the target HS whose timer has now expired, and request again from that
server the status of the subscribed users.
6 On receipt of one of these presence status reminders, an HS can reset both
of its presence watchdog timers.
To avoid bursts of traffic, implementations should attempt to stagger the expiry
of the longer-term watchdog timers for different peer HSes.
When individual users actively change their status (either by explicit requests
from clients, or inferred changes due to idle timers or client timeouts), the HS
should batch up any status changes for some reasonable amount of time (10
seconds to a minute). This allows for reduced protocol overheads in the case of
multiple messages needing to be sent to the same peer HS; as is the likely
scenario in many cases, such as a given human user having multiple user
accounts.
API Requirements
================
The data model presented here puts the following requirements on the APIs:
Client-Server
-------------
Requests that a client can make to its Home Server
* get/set current presence state
Basic enumeration + ability to set a custom piece of text
* report per-device idle time
After some (configurable?) idle time the device should send a single message
to set the idle duration. The HS can then infer a "start of idle" instant and
use that to keep the device idleness up to date. At some later point the
device can cancel this idleness.
* report per-device type
Inform the server that this device is a "mobile" device, or perhaps some
other to-be-defined category of reduced capability that could be presented to
other users.
* start/stop presence polling for my presence list
It is likely that these messages could be implicitly inferred by other
messages, though having explicit control is always useful.
* get my presence list
[implicit poll start?]
It is possible that the HS doesn't yet have current presence information when
the client requests this. There should be a "don't know" type too.
* add/remove a user to my presence list
Server-Server
-------------
Requests that Home Servers make to others
* request permission to add a user to presence list
* allow/deny a request to add to a presence list
* perform a combined presence state push and subscription request
For each sending user ID, the message contains their new status.
For each receiving user ID, the message should contain an indication on
whether the sending server is also interested in receiving status from that
user; either as an immediate update response now, or as a promise to send
future updates.
Server to Client
----------------
[[TODO(paul): There also needs to be some way for a user's HS to push status
updates of the presence list to clients, but the general server-client event
model currently lacks a space to do that.]]

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@ -1,232 +0,0 @@
========
Profiles
========
A description of Synapse user profile metadata support.
Overview
========
Internally within Synapse users are referred to by an opaque ID, which consists
of some opaque localpart combined with the domain name of their home server.
Obviously this does not yield a very nice user experience; users would like to
see readable names for other users that are in some way meaningful to them.
Additionally, users like to be able to publish "profile" details to inform other
users of other information about them.
It is also conceivable that since we are attempting to provide a
worldwide-applicable messaging system, that users may wish to present different
subsets of information in their profile to different other people, from a
privacy and permissions perspective.
A Profile consists of a display name, an (optional?) avatar picture, and a set
of other metadata fields that the user may wish to publish (email address, phone
numbers, website URLs, etc...). We put no requirements on the display name other
than it being a valid Unicode string. Since it is likely that users will end up
having multiple accounts (perhaps by necessity of being hosted in multiple
places, perhaps by choice of wanting multiple distinct identifies), it would be
useful that a metadata field type exists that can refer to another Synapse User
ID, so that clients and HSes can make use of this information.
Metadata Fields
---------------
[[TODO(paul): Likely this list is incomplete; more fields can be defined as we
think of them. At the very least, any sort of supported ID for the 3rd Party ID
servers should be accounted for here.]]
* Synapse Directory Server username(s)
* Email address
* Phone number - classify "home"/"work"/"mobile"/custom?
* Twitter/Facebook/Google+/... social networks
* Location - keep this deliberately vague to allow people to choose how
granular it is
* "Bio" information - date of birth, etc...
* Synapse User ID of another account
* Web URL
* Freeform description text
Visibility Permissions
======================
A home server implementation could offer the ability to set permissions on
limited visibility of those fields. When another user requests access to the
target user's profile, their own identity should form part of that request. The
HS implementation can then decide which fields to make available to the
requestor.
A particular detail of implementation could allow the user to create one or more
ACLs; where each list is granted permission to see a given set of non-public
fields (compare to Google+ Circles) and contains a set of other people allowed
to use it. By giving these ACLs strong identities within the HS, they can be
referenced in communications with it, granting other users who encounter these
the "ACL Token" to use the details in that ACL.
If we further allow an ACL Token to be present on Room join requests or stored
by 3PID servers, then users of these ACLs gain the extra convenience of not
having to manually curate people in the access list; anyone in the room or with
knowledge of the 3rd Party ID is automatically granted access. Every HS and
client implementation would have to be aware of the existence of these ACL
Token, and include them in requests if present, but not every HS implementation
needs to actually provide the full permissions model. This can be used as a
distinguishing feature among competing implementations. However, servers MUST
NOT serve profile information from a cache if there is a chance that its limited
understanding could lead to information leakage.
Client Concerns of Multiple Accounts
====================================
Because a given person may want to have multiple Synapse User accounts, client
implementations should allow the use of multiple accounts simultaneously
(especially in the field of mobile phone clients, which generally don't support
running distinct instances of the same application). Where features like address
books, presence lists or rooms are presented, the client UI should remember to
make distinct with user account is in use for each.
Directory Servers
=================
Directory Servers can provide a forward mapping from human-readable names to
User IDs. These can provide a service similar to giving domain-namespaced names
for Rooms; in this case they can provide a way for a user to reference their
User ID in some external form (e.g. that can be printed on a business card).
The format for Synapse user name will consist of a localpart specific to the
directory server, and the domain name of that directory server:
@localname:some.domain.name
The localname is separated from the domain name using a colon, so as to ensure
the localname can still contain periods, as users may want this for similarity
to email addresses or the like, which typically can contain them. The format is
also visually quite distinct from email addresses, phone numbers, etc... so
hopefully reasonably "self-describing" when written on e.g. a business card
without surrounding context.
[[TODO(paul): we might have to think about this one - too close to email?
Twitter? Also it suggests a format scheme for room names of
#localname:domain.name, which I quite like]]
Directory server administrators should be able to make some kind of policy
decision on how these are allocated. Servers within some "closed" domain (such
as company-specific ones) may wish to verify the validity of a mapping using
their own internal mechanisms; "public" naming servers can operate on a FCFS
basis. There are overlapping concerns here with the idea of the 3rd party
identity servers as well, though in this specific case we are creating a new
namespace to allocate names into.
It would also be nice from a user experience perspective if the profile that a
given name links to can also declare that name as part of its metadata.
Furthermore as a security and consistency perspective it would be nice if each
end (the directory server and the user's home server) check the validity of the
mapping in some way. This needs investigation from a security perspective to
ensure against spoofing.
One such model may be that the user starts by declaring their intent to use a
given user name link to their home server, which then contacts the directory
service. At some point later (maybe immediately for "public open FCFS servers",
maybe after some kind of human intervention for verification) the DS decides to
honour this link, and includes it in its served output. It should also tell the
HS of this fact, so that the HS can present this as fact when requested for the
profile information. For efficiency, it may further wish to provide the HS with
a cryptographically-signed certificate as proof, so the HS serving the profile
can provide that too when asked, avoiding requesting HSes from constantly having
to contact the DS to verify this mapping. (Note: This is similar to the security
model often applied in DNS to verify PTR <-> A bidirectional mappings).
Identity Servers
================
The identity servers should support the concept of pointing a 3PID being able to
store an ACL Token as well as the main User ID. It is however, beyond scope to
do any kind of verification that any third-party IDs that the profile is
claiming match up to the 3PID mappings.
User Interface and Expectations Concerns
========================================
Given the weak "security" of some parts of this model as compared to what users
might expect, some care should be taken on how it is presented to users,
specifically in the naming or other wording of user interface components.
Most notably mere knowledge of an ACL Pointer is enough to read the information
stored in it. It is possible that Home or Identity Servers could leak this
information, allowing others to see it. This is a security-vs-convenience
balancing choice on behalf of the user who would choose, or not, to make use of
such a feature to publish their information.
Additionally, unless some form of strong end-to-end user-based encryption is
used, a user of ACLs for information privacy has to trust other home servers not
to lie about the identify of the user requesting access to the Profile.
API Requirements
================
The data model presented here puts the following requirements on the APIs:
Client-Server
-------------
Requests that a client can make to its Home Server
* get/set my Display Name
This should return/take a simple "text/plain" field
* get/set my Avatar URL
The avatar image data itself is not stored by this API; we'll just store a
URL to let the clients fetch it. Optionally HSes could integrate this with
their generic content attacmhent storage service, allowing a user to set
upload their profile Avatar and update the URL to point to it.
* get/add/remove my metadata fields
Also we need to actually define types of metadata
* get another user's Display Name / Avatar / metadata fields
[[TODO(paul): At some later stage we should consider the API for:
* get/set ACL permissions on my metadata fields
* manage my ACL tokens
]]
Server-Server
-------------
Requests that Home Servers make to others
* get a user's Display Name / Avatar
* get a user's full profile - name/avatar + MD fields
This request must allow for specifying the User ID of the requesting user,
for permissions purposes. It also needs to take into account any ACL Tokens
the requestor has.
* push a change of Display Name to observers (overlaps with the presence API)
Room Event PDU Types
--------------------
Events that are pushed from Home Servers to other Home Servers or clients.
* user Display Name change
* user Avatar change
[[TODO(paul): should the avatar image itself be stored in all the room
histories? maybe this event should just be a hint to clients that they should
re-fetch the avatar image]]

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@ -1,64 +0,0 @@
PUT /send/abc/ HTTP/1.1
Host: ...
Content-Length: ...
Content-Type: application/json
{
"origin": "localhost:5000",
"pdus": [
{
"content": {},
"context": "tng",
"depth": 12,
"is_state": false,
"origin": "localhost:5000",
"pdu_id": 1404381396854,
"pdu_type": "feedback",
"prev_pdus": [
[
"1404381395883",
"localhost:6000"
]
],
"ts": 1404381427581
}
],
"prev_ids": [
"1404381396852"
],
"ts": 1404381427823
}
HTTP/1.1 200 OK
...
======================================
GET /pull/-1/ HTTP/1.1
Host: ...
Content-Length: 0
HTTP/1.1 200 OK
Content-Length: ...
Content-Type: application/json
{
origin: ...,
prev_ids: ...,
data: [
{
data_id: ...,
prev_pdus: [...],
depth: ...,
ts: ...,
context: ...,
origin: ...,
content: {
...
}
},
...,
]
}

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@ -1,113 +0,0 @@
==================
Room Join Workflow
==================
An outline of the workflows required when a user joins a room.
Discovery
=========
To join a room, a user has to discover the room by some mechanism in order to
obtain the (opaque) Room ID and a candidate list of likely home servers that
contain it.
Sending an Invitation
---------------------
The most direct way a user discovers the existence of a room is from a
invitation from some other user who is a member of that room.
The inviter's HS sets the membership status of the invitee to "invited" in the
"m.members" state key by sending a state update PDU. The HS then broadcasts this
PDU among the existing members in the usual way. An invitation message is also
sent to the invited user, containing the Room ID and the PDU ID of this
invitation state change and potentially a list of some other home servers to use
to accept the invite. The user's client can then choose to display it in some
way to alert the user.
[[TODO(paul): At present, no API has been designed or described to actually send
that invite to the invited user. Likely it will be some facet of the larger
user-user API required for presence, profile management, etc...]]
Directory Service
-----------------
Alternatively, the user may discover the channel via a directory service; either
by performing a name lookup, or some kind of browse or search acitivty. However
this is performed, the end result is that the user's home server requests the
Room ID and candidate list from the directory service.
[[TODO(paul): At present, no API has been designed or described for this
directory service]]
Joining
=======
Once the ID and home servers are obtained, the user can then actually join the
room.
Accepting an Invite
-------------------
If a user has received and accepted an invitation to join a room, the invitee's
home server can now send an invite acceptance message to a chosen candidate
server from the list given in the invitation, citing also the PDU ID of the
invitation as "proof" of their invite. (This is required as due to late message
propagation it could be the case that the acceptance is received before the
invite by some servers). If this message is allowed by the candidate server, it
generates a new PDU that updates the invitee's membership status to "joined",
referring back to the acceptance PDU, and broadcasts that as a state change in
the usual way. The newly-invited user is now a full member of the room, and
state propagation proceeds as usual.
Joining a Public Room
---------------------
If a user has discovered the existence of a room they wish to join but does not
have an active invitation, they can request to join it directly by sending a
join message to a candidate server on the list provided by the directory
service. As this list may be out of date, the HS should be prepared to retry
other candidates if the chosen one is no longer aware of the room, because it
has no users as members in it.
Once a candidate server that is aware of the room has been found, it can
broadcast an update PDU to add the member into the "m.members" key setting their
state directly to "joined" (i.e. bypassing the two-phase invite semantics),
remembering to include the new user's HS in that list.
Knocking on a Semi-Public Room
------------------------------
If a user requests to join a room but the join mode of the room is "knock", the
join is not immediately allowed. Instead, if the user wishes to proceed, they
can instead post a "knock" message, which informs other members of the room that
the would-be joiner wishes to become a member and sets their membership value to
"knocked". If any of them wish to accept this, they can then send an invitation
in the usual way described above. Knowing that the user has already knocked and
expressed an interest in joining, the invited user's home server should
immediately accept that invitation on the user's behalf, and go on to join the
room in the usual way.
[[NOTE(Erik): Though this may confuse users who expect 'X has joined' to
actually be a user initiated action, i.e. they may expect that 'X' is actually
looking at synapse right now?]]
[[NOTE(paul): Yes, a fair point maybe we should suggest HSes don't do that, and
just offer an invite to the user as normal]]
Private and Non-Existent Rooms
------------------------------
If a user requests to join a room but the room is either unknown by the home
server receiving the request, or is known by the join mode is "invite" and the
user has not been invited, the server must respond that the room does not exist.
This is to prevent leaking information about the existence and identity of
private rooms.
Outstanding Questions
=====================
* Do invitations or knocks time out and expire at some point? If so when? Time
is hard in distributed systems.

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@ -1,274 +0,0 @@
===========
Rooms Model
===========
A description of the general data model used to implement Rooms, and the
user-level visible effects and implications.
Overview
========
"Rooms" in Synapse are shared messaging channels over which all the participant
users can exchange messages. Rooms have an opaque persistent identify, a
globally-replicated set of state (consisting principly of a membership set of
users, and other management and miscellaneous metadata), and a message history.
Room Identity and Naming
========================
Rooms can be arbitrarily created by any user on any home server; at which point
the home server will sign the message that creates the channel, and the
fingerprint of this signature becomes the strong persistent identify of the
room. This now identifies the room to any home server in the network regardless
of its original origin. This allows the identify of the room to outlive any
particular server. Subject to appropriate permissions [to be discussed later],
any current member of a room can invite others to join it, can post messages
that become part of its history, and can change the persistent state of the room
(including its current set of permissions).
Home servers can provide a directory service, allowing a lookup from a
convenient human-readable form of room label to a room ID. This mapping is
scoped to the particular home server domain and so simply represents that server
administrator's opinion of what room should take that label; it does not have to
be globally replicated and does not form part of the stored state of that room.
This room name takes the form
#localname:some.domain.name
for similarity and consistency with user names on directories.
To join a room (and therefore to be allowed to inspect past history, post new
messages to it, and read its state), a user must become aware of the room's
fingerprint ID. There are two mechanisms to allow this:
* An invite message from someone else in the room
* A referral from a room directory service
As room IDs are opaque and ephemeral, they can serve as a mechanism to create
"ad-hoc" rooms deliberately unnamed, for small group-chats or even private
one-to-one message exchange.
Stored State and Permissions
============================
Every room has a globally-replicated set of stored state. This state is a set of
key/value or key/subkey/value pairs. The value of every (sub)key is a
JSON-representable object. The main key of a piece of stored state establishes
its meaning; some keys store sub-keys to allow a sub-structure within them [more
detail below]. Some keys have special meaning to Synapse, as they relate to
management details of the room itself, storing such details as user membership,
and permissions of users to alter the state of the room itself. Other keys may
store information to present to users, which the system does not directly rely
on. The key space itself is namespaced, allowing 3rd party extensions, subject
to suitable permission.
Permission management is based on the concept of "power-levels". Every user
within a room has an integer assigned, being their "power-level" within that
room. Along with its actual data value, each key (or subkey) also stores the
minimum power-level a user must have in order to write to that key, the
power-level of the last user who actually did write to it, and the PDU ID of
that state change.
To be accepted as valid, a change must NOT:
* Be made by a user having a power-level lower than required to write to the
state key
* Alter the required power-level for that state key to a value higher than the
user has
* Increase that user's own power-level
* Grant any other user a power-level higher than the level of the user making
the change
[[TODO(paul): consider if relaxations should be allowed; e.g. is the current
outright-winner allowed to raise their own level, to allow for "inflation"?]]
Room State Keys
===============
[[TODO(paul): if this list gets too big it might become necessary to move it
into its own doc]]
The following keys have special semantics or meaning to Synapse itself:
m.member (has subkeys)
Stores a sub-key for every Synapse User ID which is currently a member of
this room. Its value gives the membership type ("knocked", "invited",
"joined").
m.power_levels
Stores a mapping from Synapse User IDs to their power-level in the room. If
they are not present in this mapping, the default applies.
The reason to store this as a single value rather than a value with subkeys
is that updates to it are atomic; allowing a number of colliding-edit
problems to be avoided.
m.default_level
Gives the default power-level for members of the room that do not have one
specified in their membership key.
m.invite_level
If set, gives the minimum power-level required for members to invite others
to join, or to accept knock requests from non-members requesting access. If
absent, then invites are not allowed. An invitation involves setting their
membership type to "invited", in addition to sending the invite message.
m.join_rules
Encodes the rules on how non-members can join the room. Has the following
possibilities:
"public" - a non-member can join the room directly
"knock" - a non-member cannot join the room, but can post a single "knock"
message requesting access, which existing members may approve or deny
"invite" - non-members cannot join the room without an invite from an
existing member
"private" - nobody who is not in the 'may_join' list or already a member
may join by any mechanism
In any of the first three modes, existing members with sufficient permission
can send invites to non-members if allowed by the "m.invite_level" key. A
"private" room is not allowed to have the "m.invite_level" set.
A client may use the value of this key to hint at the user interface
expectations to provide; in particular, a private chat with one other use
might warrant specific handling in the client.
m.may_join
A list of User IDs that are always allowed to join the room, regardless of any
of the prevailing join rules and invite levels. These apply even to private
rooms. These are stored in a single list with normal update-powerlevel
permissions applied; users cannot arbitrarily remove themselves from the list.
m.add_state_level
The power-level required for a user to be able to add new state keys.
m.public_history
If set and true, anyone can request the history of the room, without needing
to be a member of the room.
m.archive_servers
For "public" rooms with public history, gives a list of home servers that
should be included in message distribution to the room, even if no users on
that server are present. These ensure that a public room can still persist
even if no users are currently members of it. This list should be consulted by
the dirctory servers as the candidate list they respond with.
The following keys are provided by Synapse for user benefit, but their value is
not otherwise used by Synapse.
m.name
Stores a short human-readable name for the room, such that clients can display
to a user to assist in identifying which room is which.
This name specifically is not the strong ID used by the message transport
system to refer to the room, because it may be changed from time to time.
m.topic
Stores the current human-readable topic
Room Creation Templates
=======================
A client (or maybe home server?) could offer a few templates for the creation of
new rooms. For example, for a simple private one-to-one chat the channel could
assign the creator a power-level of 1, requiring a level of 1 to invite, and
needing an invite before members can join. An invite is then sent to the other
party, and if accepted and the other user joins, the creator's power-level can
now be reduced to 0. This now leaves a room with two participants in it being
unable to add more.
Rooms that Continue History
===========================
An option that could be considered for room creation, is that when a new room is
created the creator could specify a PDU ID into an existing room, as the history
continuation point. This would be stored as an extra piece of meta-data on the
initial PDU of the room's creation. (It does not appear in the normal previous
PDU linkage).
This would allow users in rooms to "fork" a room, if it is considered that the
conversations in the room no longer fit its original purpose, and wish to
diverge. Existing permissions on the original room would continue to apply of
course, for viewing that history. If both rooms are considered "public" we might
also want to define a message to post into the original room to represent this
fork point, and give a reference to the new room.
User Direct Message Rooms
=========================
There is no need to build a mechanism for directly sending messages between
users, because a room can handle this ability. To allow direct user-to-user chat
messaging we simply need to be able to create rooms with specific set of
permissions to allow this direct messaging.
Between any given pair of user IDs that wish to exchange private messages, there
will exist a single shared Room, created lazily by either side. These rooms will
need a certain amount of special handling in both home servers and display on
clients, but as much as possible should be treated by the lower layers of code
the same as other rooms.
Specially, a client would likely offer a special menu choice associated with
another user (in room member lists, presence list, etc..) as "direct chat". That
would perform all the necessary steps to create the private chat room. Receiving
clients should display these in a special way too as the room name is not
important; instead it should distinguish them on the Display Name of the other
party.
Home Servers will need a client-API option to request setting up a new user-user
chat room, which will then need special handling within the server. It will
create a new room with the following
m.member: the proposing user
m.join_rules: "private"
m.may_join: both users
m.power_levels: empty
m.default_level: 0
m.add_state_level: 0
m.public_history: False
Having created the room, it can send an invite message to the other user in the
normal way - the room permissions state that no users can be set to the invited
state, but because they're in the may_join list then they'd be allowed to join
anyway.
In this arrangement there is now a room with both users may join but neither has
the power to invite any others. Both users now have the confidence that (at
least within the messaging system itself) their messages remain private and
cannot later be provably leaked to a third party. They can freely set the topic
or name if they choose and add or edit any other state of the room. The update
powerlevel of each of these fixed properties should be 1, to lock out the users
from being able to alter them.
Anti-Glare
==========
There exists the possibility of a race condition if two users who have no chat
history with each other simultaneously create a room and invite the other to it.
This is called a "glare" situation. There are two possible ideas for how to
resolve this:
* Each Home Server should persist the mapping of (user ID pair) to room ID, so
that duplicate requests can be suppressed. On receipt of a room creation
request that the HS thinks there already exists a room for, the invitation to
join can be rejected if:
a) the HS believes the sending user is already a member of the room (and
maybe their HS has forgotten this fact), or
b) the proposed room has a lexicographically-higher ID than the existing
room (to resolve true race condition conflicts)
* The room ID for a private 1:1 chat has a special form, determined by
concatenting the User IDs of both members in a deterministic order, such that
it doesn't matter which side creates it first; the HSes can just ignore
(or merge?) received PDUs that create the room twice.

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@ -1,86 +0,0 @@
===========
Terminology
===========
A list of definitions of specific terminology used among these documents.
These terms were originally taken from the server-server documentation, and may
not currently match the exact meanings used in other places; though as a
medium-term goal we should encourage the unification of this terminology.
Terms
=====
Backfilling:
The process of synchronising historic state from one home server to another,
to backfill the event storage so that scrollback can be presented to the
client(s). (Formerly, and confusingly, called 'pagination')
Context:
A single human-level entity of interest (currently, a chat room)
EDU (Ephemeral Data Unit):
A message that relates directly to a given pair of home servers that are
exchanging it. EDUs are short-lived messages that related only to one single
pair of servers; they are not persisted for a long time and are not forwarded
on to other servers. Because of this, they have no internal ID nor previous
EDUs reference chain.
Event:
A record of activity that records a single thing that happened on to a context
(currently, a chat room). These are the "chat messages" that Synapse makes
available.
[[NOTE(paul): The current server-server implementation calls these simply
"messages" but the term is too ambiguous here; I've called them Events]]
PDU (Persistent Data Unit):
A message that relates to a single context, irrespective of the server that
is communicating it. PDUs either encode a single Event, or a single State
change. A PDU is referred to by its PDU ID; the pair of its origin server
and local reference from that server.
PDU ID:
The pair of PDU Origin and PDU Reference, that together globally uniquely
refers to a specific PDU.
PDU Origin:
The name of the origin server that generated a given PDU. This may not be the
server from which it has been received, due to the way they are copied around
from server to server. The origin always records the original server that
created it.
PDU Reference:
A local ID used to refer to a specific PDU from a given origin server. These
references are opaque at the protocol level, but may optionally have some
structured meaning within a given origin server or implementation.
Presence:
The concept of whether a user is currently online, how available they declare
they are, and so on. See also: doc/model/presence
Profile:
A set of metadata about a user, such as a display name, provided for the
benefit of other users. See also: doc/model/profiles
Room ID:
An opaque string (of as-yet undecided format) that identifies a particular
room and used in PDUs referring to it.
Room Alias:
A human-readable string of the form #name:some.domain that users can use as a
pointer to identify a room; a Directory Server will map this to its Room ID
State:
A set of metadata maintained about a Context, which is replicated among the
servers in addition to the history of Events.
User ID:
A string of the form @localpart:domain.name that identifies a user for
wire-protocol purposes. The localpart is meaningless outside of a particular
home server. This takes a human-readable form that end-users can use directly
if they so wish, avoiding the 3PIDs.
Transaction:
A message which relates to the communication between a given pair of servers.
A transaction contains possibly-empty lists of PDUs and EDUs.

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@ -1,108 +0,0 @@
======================
Third Party Identities
======================
A description of how email addresses, mobile phone numbers and other third
party identifiers can be used to authenticate and discover users in Matrix.
Overview
========
New users need to authenticate their account. An email or SMS text message can
be a convenient form of authentication. Users already have email addresses
and phone numbers for contacts in their address book. They want to communicate
with those contacts in Matrix without manually exchanging a Matrix User ID with
them.
Third Party IDs
---------------
[[TODO(markjh): Describe the format of a 3PID]]
Third Party ID Associations
---------------------------
An Associaton is a binding between a Matrix User ID and a Third Party ID (3PID).
Each 3PID can be associated with one Matrix User ID at a time.
[[TODO(markjh): JSON format of the association.]]
Verification
------------
An Assocation must be verified by a trusted Verification Server. Email
addresses and phone numbers can be verified by sending a token to the address
which a client can supply to the verifier to confirm ownership.
An email Verification Server may be capable of verifying all email 3PIDs or may
be restricted to verifying addresses for a particular domain. A phone number
Verification Server may be capable of verifying all phone numbers or may be
restricted to verifying numbers for a given country or phone prefix.
Verification Servers fulfil a similar role to Certificate Authorities in PKI so
a similar level of vetting should be required before clients trust their
signatures.
A Verification Server may wish to check for existing Associations for a 3PID
before creating a new Association.
Discovery
---------
Users can discover Associations using a trusted Identity Server. Each
Association will be signed by the Identity Server. An Identity Server may store
the entire space of Associations or may delegate to other Identity Servers when
looking up Associations.
Each Association returned from an Identity Server must be signed by a
Verification Server. Clients should check these signatures.
Identity Servers fulfil a similar role to DNS servers.
Privacy
-------
A User may publish the association between their phone number and Matrix User ID
on the Identity Server without publishing the number in their Profile hosted on
their Home Server.
Identity Servers should refrain from publishing reverse mappings and should
take steps, such as rate limiting, to prevent attackers enumerating the space of
mappings.
Federation
==========
Delegation
----------
Verification Servers could delegate signing to another server by issuing
certificate to that server allowing it to verify and sign a subset of 3PID on
its behalf. It would be necessary to provide a language for describing which
subset of 3PIDs that server had authority to validate. Alternatively it could
delegate the verification step to another server but sign the resulting
association itself.
The 3PID space will have a heirachical structure like DNS so Identity Servers
can delegate lookups to other servers. An Identity Server should be prepared
to host or delegate any valid association within the subset of the 3PIDs it is
resonsible for.
Multiple Root Verification Servers
----------------------------------
There can be multiple root Verification Servers and an Association could be
signed by multiple servers if different clients trust different subsets of
the verification servers.
Multiple Root Identity Servers
------------------------------
There can be be multiple root Identity Servers. Clients will add each
Association to all root Identity Servers.
[[TODO(markjh): Describe how clients find the list of root Identity Servers]]

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@ -1,5 +0,0 @@
To get this running:
ln -s ../swagger_matrix
python -m SimpleHTTPServer
Go to http://localhost:8000/swagger.html

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@ -1,38 +0,0 @@
// Backbone.js 0.9.2
// (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
// Backbone may be freely distributed under the MIT license.
// For all details and documentation:
// http://backbonejs.org
(function(){var l=this,y=l.Backbone,z=Array.prototype.slice,A=Array.prototype.splice,g;g="undefined"!==typeof exports?exports:l.Backbone={};g.VERSION="0.9.2";var f=l._;!f&&"undefined"!==typeof require&&(f=require("underscore"));var i=l.jQuery||l.Zepto||l.ender;g.setDomLibrary=function(a){i=a};g.noConflict=function(){l.Backbone=y;return this};g.emulateHTTP=!1;g.emulateJSON=!1;var p=/\s+/,k=g.Events={on:function(a,b,c){var d,e,f,g,j;if(!b)return this;a=a.split(p);for(d=this._callbacks||(this._callbacks=
{});e=a.shift();)f=(j=d[e])?j.tail:{},f.next=g={},f.context=c,f.callback=b,d[e]={tail:g,next:j?j.next:f};return this},off:function(a,b,c){var d,e,h,g,j,q;if(e=this._callbacks){if(!a&&!b&&!c)return delete this._callbacks,this;for(a=a?a.split(p):f.keys(e);d=a.shift();)if(h=e[d],delete e[d],h&&(b||c))for(g=h.tail;(h=h.next)!==g;)if(j=h.callback,q=h.context,b&&j!==b||c&&q!==c)this.on(d,j,q);return this}},trigger:function(a){var b,c,d,e,f,g;if(!(d=this._callbacks))return this;f=d.all;a=a.split(p);for(g=
z.call(arguments,1);b=a.shift();){if(c=d[b])for(e=c.tail;(c=c.next)!==e;)c.callback.apply(c.context||this,g);if(c=f){e=c.tail;for(b=[b].concat(g);(c=c.next)!==e;)c.callback.apply(c.context||this,b)}}return this}};k.bind=k.on;k.unbind=k.off;var o=g.Model=function(a,b){var c;a||(a={});b&&b.parse&&(a=this.parse(a));if(c=n(this,"defaults"))a=f.extend({},c,a);b&&b.collection&&(this.collection=b.collection);this.attributes={};this._escapedAttributes={};this.cid=f.uniqueId("c");this.changed={};this._silent=
{};this._pending={};this.set(a,{silent:!0});this.changed={};this._silent={};this._pending={};this._previousAttributes=f.clone(this.attributes);this.initialize.apply(this,arguments)};f.extend(o.prototype,k,{changed:null,_silent:null,_pending:null,idAttribute:"id",initialize:function(){},toJSON:function(){return f.clone(this.attributes)},get:function(a){return this.attributes[a]},escape:function(a){var b;if(b=this._escapedAttributes[a])return b;b=this.get(a);return this._escapedAttributes[a]=f.escape(null==
b?"":""+b)},has:function(a){return null!=this.get(a)},set:function(a,b,c){var d,e;f.isObject(a)||null==a?(d=a,c=b):(d={},d[a]=b);c||(c={});if(!d)return this;d instanceof o&&(d=d.attributes);if(c.unset)for(e in d)d[e]=void 0;if(!this._validate(d,c))return!1;this.idAttribute in d&&(this.id=d[this.idAttribute]);var b=c.changes={},h=this.attributes,g=this._escapedAttributes,j=this._previousAttributes||{};for(e in d){a=d[e];if(!f.isEqual(h[e],a)||c.unset&&f.has(h,e))delete g[e],(c.silent?this._silent:
b)[e]=!0;c.unset?delete h[e]:h[e]=a;!f.isEqual(j[e],a)||f.has(h,e)!=f.has(j,e)?(this.changed[e]=a,c.silent||(this._pending[e]=!0)):(delete this.changed[e],delete this._pending[e])}c.silent||this.change(c);return this},unset:function(a,b){(b||(b={})).unset=!0;return this.set(a,null,b)},clear:function(a){(a||(a={})).unset=!0;return this.set(f.clone(this.attributes),a)},fetch:function(a){var a=a?f.clone(a):{},b=this,c=a.success;a.success=function(d,e,f){if(!b.set(b.parse(d,f),a))return!1;c&&c(b,d)};
a.error=g.wrapError(a.error,b,a);return(this.sync||g.sync).call(this,"read",this,a)},save:function(a,b,c){var d,e;f.isObject(a)||null==a?(d=a,c=b):(d={},d[a]=b);c=c?f.clone(c):{};if(c.wait){if(!this._validate(d,c))return!1;e=f.clone(this.attributes)}a=f.extend({},c,{silent:!0});if(d&&!this.set(d,c.wait?a:c))return!1;var h=this,i=c.success;c.success=function(a,b,e){b=h.parse(a,e);if(c.wait){delete c.wait;b=f.extend(d||{},b)}if(!h.set(b,c))return false;i?i(h,a):h.trigger("sync",h,a,c)};c.error=g.wrapError(c.error,
h,c);b=this.isNew()?"create":"update";b=(this.sync||g.sync).call(this,b,this,c);c.wait&&this.set(e,a);return b},destroy:function(a){var a=a?f.clone(a):{},b=this,c=a.success,d=function(){b.trigger("destroy",b,b.collection,a)};if(this.isNew())return d(),!1;a.success=function(e){a.wait&&d();c?c(b,e):b.trigger("sync",b,e,a)};a.error=g.wrapError(a.error,b,a);var e=(this.sync||g.sync).call(this,"delete",this,a);a.wait||d();return e},url:function(){var a=n(this,"urlRoot")||n(this.collection,"url")||t();
return this.isNew()?a:a+("/"==a.charAt(a.length-1)?"":"/")+encodeURIComponent(this.id)},parse:function(a){return a},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return null==this.id},change:function(a){a||(a={});var b=this._changing;this._changing=!0;for(var c in this._silent)this._pending[c]=!0;var d=f.extend({},a.changes,this._silent);this._silent={};for(c in d)this.trigger("change:"+c,this,this.get(c),a);if(b)return this;for(;!f.isEmpty(this._pending);){this._pending=
{};this.trigger("change",this,a);for(c in this.changed)!this._pending[c]&&!this._silent[c]&&delete this.changed[c];this._previousAttributes=f.clone(this.attributes)}this._changing=!1;return this},hasChanged:function(a){return!arguments.length?!f.isEmpty(this.changed):f.has(this.changed,a)},changedAttributes:function(a){if(!a)return this.hasChanged()?f.clone(this.changed):!1;var b,c=!1,d=this._previousAttributes,e;for(e in a)if(!f.isEqual(d[e],b=a[e]))(c||(c={}))[e]=b;return c},previous:function(a){return!arguments.length||
!this._previousAttributes?null:this._previousAttributes[a]},previousAttributes:function(){return f.clone(this._previousAttributes)},isValid:function(){return!this.validate(this.attributes)},_validate:function(a,b){if(b.silent||!this.validate)return!0;var a=f.extend({},this.attributes,a),c=this.validate(a,b);if(!c)return!0;b&&b.error?b.error(this,c,b):this.trigger("error",this,c,b);return!1}});var r=g.Collection=function(a,b){b||(b={});b.model&&(this.model=b.model);b.comparator&&(this.comparator=b.comparator);
this._reset();this.initialize.apply(this,arguments);a&&this.reset(a,{silent:!0,parse:b.parse})};f.extend(r.prototype,k,{model:o,initialize:function(){},toJSON:function(a){return this.map(function(b){return b.toJSON(a)})},add:function(a,b){var c,d,e,g,i,j={},k={},l=[];b||(b={});a=f.isArray(a)?a.slice():[a];c=0;for(d=a.length;c<d;c++){if(!(e=a[c]=this._prepareModel(a[c],b)))throw Error("Can't add an invalid model to a collection");g=e.cid;i=e.id;j[g]||this._byCid[g]||null!=i&&(k[i]||this._byId[i])?
l.push(c):j[g]=k[i]=e}for(c=l.length;c--;)a.splice(l[c],1);c=0;for(d=a.length;c<d;c++)(e=a[c]).on("all",this._onModelEvent,this),this._byCid[e.cid]=e,null!=e.id&&(this._byId[e.id]=e);this.length+=d;A.apply(this.models,[null!=b.at?b.at:this.models.length,0].concat(a));this.comparator&&this.sort({silent:!0});if(b.silent)return this;c=0;for(d=this.models.length;c<d;c++)if(j[(e=this.models[c]).cid])b.index=c,e.trigger("add",e,this,b);return this},remove:function(a,b){var c,d,e,g;b||(b={});a=f.isArray(a)?
a.slice():[a];c=0;for(d=a.length;c<d;c++)if(g=this.getByCid(a[c])||this.get(a[c]))delete this._byId[g.id],delete this._byCid[g.cid],e=this.indexOf(g),this.models.splice(e,1),this.length--,b.silent||(b.index=e,g.trigger("remove",g,this,b)),this._removeReference(g);return this},push:function(a,b){a=this._prepareModel(a,b);this.add(a,b);return a},pop:function(a){var b=this.at(this.length-1);this.remove(b,a);return b},unshift:function(a,b){a=this._prepareModel(a,b);this.add(a,f.extend({at:0},b));return a},
shift:function(a){var b=this.at(0);this.remove(b,a);return b},get:function(a){return null==a?void 0:this._byId[null!=a.id?a.id:a]},getByCid:function(a){return a&&this._byCid[a.cid||a]},at:function(a){return this.models[a]},where:function(a){return f.isEmpty(a)?[]:this.filter(function(b){for(var c in a)if(a[c]!==b.get(c))return!1;return!0})},sort:function(a){a||(a={});if(!this.comparator)throw Error("Cannot sort a set without a comparator");var b=f.bind(this.comparator,this);1==this.comparator.length?
this.models=this.sortBy(b):this.models.sort(b);a.silent||this.trigger("reset",this,a);return this},pluck:function(a){return f.map(this.models,function(b){return b.get(a)})},reset:function(a,b){a||(a=[]);b||(b={});for(var c=0,d=this.models.length;c<d;c++)this._removeReference(this.models[c]);this._reset();this.add(a,f.extend({silent:!0},b));b.silent||this.trigger("reset",this,b);return this},fetch:function(a){a=a?f.clone(a):{};void 0===a.parse&&(a.parse=!0);var b=this,c=a.success;a.success=function(d,
e,f){b[a.add?"add":"reset"](b.parse(d,f),a);c&&c(b,d)};a.error=g.wrapError(a.error,b,a);return(this.sync||g.sync).call(this,"read",this,a)},create:function(a,b){var c=this,b=b?f.clone(b):{},a=this._prepareModel(a,b);if(!a)return!1;b.wait||c.add(a,b);var d=b.success;b.success=function(e,f){b.wait&&c.add(e,b);d?d(e,f):e.trigger("sync",a,f,b)};a.save(null,b);return a},parse:function(a){return a},chain:function(){return f(this.models).chain()},_reset:function(){this.length=0;this.models=[];this._byId=
{};this._byCid={}},_prepareModel:function(a,b){b||(b={});a instanceof o?a.collection||(a.collection=this):(b.collection=this,a=new this.model(a,b),a._validate(a.attributes,b)||(a=!1));return a},_removeReference:function(a){this==a.collection&&delete a.collection;a.off("all",this._onModelEvent,this)},_onModelEvent:function(a,b,c,d){("add"==a||"remove"==a)&&c!=this||("destroy"==a&&this.remove(b,d),b&&a==="change:"+b.idAttribute&&(delete this._byId[b.previous(b.idAttribute)],this._byId[b.id]=b),this.trigger.apply(this,
arguments))}});f.each("forEach,each,map,reduce,reduceRight,find,detect,filter,select,reject,every,all,some,any,include,contains,invoke,max,min,sortBy,sortedIndex,toArray,size,first,initial,rest,last,without,indexOf,shuffle,lastIndexOf,isEmpty,groupBy".split(","),function(a){r.prototype[a]=function(){return f[a].apply(f,[this.models].concat(f.toArray(arguments)))}});var u=g.Router=function(a){a||(a={});a.routes&&(this.routes=a.routes);this._bindRoutes();this.initialize.apply(this,arguments)},B=/:\w+/g,
C=/\*\w+/g,D=/[-[\]{}()+?.,\\^$|#\s]/g;f.extend(u.prototype,k,{initialize:function(){},route:function(a,b,c){g.history||(g.history=new m);f.isRegExp(a)||(a=this._routeToRegExp(a));c||(c=this[b]);g.history.route(a,f.bind(function(d){d=this._extractParameters(a,d);c&&c.apply(this,d);this.trigger.apply(this,["route:"+b].concat(d));g.history.trigger("route",this,b,d)},this));return this},navigate:function(a,b){g.history.navigate(a,b)},_bindRoutes:function(){if(this.routes){var a=[],b;for(b in this.routes)a.unshift([b,
this.routes[b]]);b=0;for(var c=a.length;b<c;b++)this.route(a[b][0],a[b][1],this[a[b][1]])}},_routeToRegExp:function(a){a=a.replace(D,"\\$&").replace(B,"([^/]+)").replace(C,"(.*?)");return RegExp("^"+a+"$")},_extractParameters:function(a,b){return a.exec(b).slice(1)}});var m=g.History=function(){this.handlers=[];f.bindAll(this,"checkUrl")},s=/^[#\/]/,E=/msie [\w.]+/;m.started=!1;f.extend(m.prototype,k,{interval:50,getHash:function(a){return(a=(a?a.location:window.location).href.match(/#(.*)$/))?a[1]:
""},getFragment:function(a,b){if(null==a)if(this._hasPushState||b){var a=window.location.pathname,c=window.location.search;c&&(a+=c)}else a=this.getHash();a.indexOf(this.options.root)||(a=a.substr(this.options.root.length));return a.replace(s,"")},start:function(a){if(m.started)throw Error("Backbone.history has already been started");m.started=!0;this.options=f.extend({},{root:"/"},this.options,a);this._wantsHashChange=!1!==this.options.hashChange;this._wantsPushState=!!this.options.pushState;this._hasPushState=
!(!this.options.pushState||!window.history||!window.history.pushState);var a=this.getFragment(),b=document.documentMode;if(b=E.exec(navigator.userAgent.toLowerCase())&&(!b||7>=b))this.iframe=i('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo("body")[0].contentWindow,this.navigate(a);this._hasPushState?i(window).bind("popstate",this.checkUrl):this._wantsHashChange&&"onhashchange"in window&&!b?i(window).bind("hashchange",this.checkUrl):this._wantsHashChange&&(this._checkUrlInterval=setInterval(this.checkUrl,
this.interval));this.fragment=a;a=window.location;b=a.pathname==this.options.root;if(this._wantsHashChange&&this._wantsPushState&&!this._hasPushState&&!b)return this.fragment=this.getFragment(null,!0),window.location.replace(this.options.root+"#"+this.fragment),!0;this._wantsPushState&&this._hasPushState&&b&&a.hash&&(this.fragment=this.getHash().replace(s,""),window.history.replaceState({},document.title,a.protocol+"//"+a.host+this.options.root+this.fragment));if(!this.options.silent)return this.loadUrl()},
stop:function(){i(window).unbind("popstate",this.checkUrl).unbind("hashchange",this.checkUrl);clearInterval(this._checkUrlInterval);m.started=!1},route:function(a,b){this.handlers.unshift({route:a,callback:b})},checkUrl:function(){var a=this.getFragment();a==this.fragment&&this.iframe&&(a=this.getFragment(this.getHash(this.iframe)));if(a==this.fragment)return!1;this.iframe&&this.navigate(a);this.loadUrl()||this.loadUrl(this.getHash())},loadUrl:function(a){var b=this.fragment=this.getFragment(a);return f.any(this.handlers,
function(a){if(a.route.test(b))return a.callback(b),!0})},navigate:function(a,b){if(!m.started)return!1;if(!b||!0===b)b={trigger:b};var c=(a||"").replace(s,"");this.fragment!=c&&(this._hasPushState?(0!=c.indexOf(this.options.root)&&(c=this.options.root+c),this.fragment=c,window.history[b.replace?"replaceState":"pushState"]({},document.title,c)):this._wantsHashChange?(this.fragment=c,this._updateHash(window.location,c,b.replace),this.iframe&&c!=this.getFragment(this.getHash(this.iframe))&&(b.replace||
this.iframe.document.open().close(),this._updateHash(this.iframe.location,c,b.replace))):window.location.assign(this.options.root+a),b.trigger&&this.loadUrl(a))},_updateHash:function(a,b,c){c?a.replace(a.toString().replace(/(javascript:|#).*$/,"")+"#"+b):a.hash=b}});var v=g.View=function(a){this.cid=f.uniqueId("view");this._configure(a||{});this._ensureElement();this.initialize.apply(this,arguments);this.delegateEvents()},F=/^(\S+)\s*(.*)$/,w="model,collection,el,id,attributes,className,tagName".split(",");
f.extend(v.prototype,k,{tagName:"div",$:function(a){return this.$el.find(a)},initialize:function(){},render:function(){return this},remove:function(){this.$el.remove();return this},make:function(a,b,c){a=document.createElement(a);b&&i(a).attr(b);c&&i(a).html(c);return a},setElement:function(a,b){this.$el&&this.undelegateEvents();this.$el=a instanceof i?a:i(a);this.el=this.$el[0];!1!==b&&this.delegateEvents();return this},delegateEvents:function(a){if(a||(a=n(this,"events"))){this.undelegateEvents();
for(var b in a){var c=a[b];f.isFunction(c)||(c=this[a[b]]);if(!c)throw Error('Method "'+a[b]+'" does not exist');var d=b.match(F),e=d[1],d=d[2],c=f.bind(c,this),e=e+(".delegateEvents"+this.cid);""===d?this.$el.bind(e,c):this.$el.delegate(d,e,c)}}},undelegateEvents:function(){this.$el.unbind(".delegateEvents"+this.cid)},_configure:function(a){this.options&&(a=f.extend({},this.options,a));for(var b=0,c=w.length;b<c;b++){var d=w[b];a[d]&&(this[d]=a[d])}this.options=a},_ensureElement:function(){if(this.el)this.setElement(this.el,
!1);else{var a=n(this,"attributes")||{};this.id&&(a.id=this.id);this.className&&(a["class"]=this.className);this.setElement(this.make(this.tagName,a),!1)}}});o.extend=r.extend=u.extend=v.extend=function(a,b){var c=G(this,a,b);c.extend=this.extend;return c};var H={create:"POST",update:"PUT","delete":"DELETE",read:"GET"};g.sync=function(a,b,c){var d=H[a];c||(c={});var e={type:d,dataType:"json"};c.url||(e.url=n(b,"url")||t());if(!c.data&&b&&("create"==a||"update"==a))e.contentType="application/json",
e.data=JSON.stringify(b.toJSON());g.emulateJSON&&(e.contentType="application/x-www-form-urlencoded",e.data=e.data?{model:e.data}:{});if(g.emulateHTTP&&("PUT"===d||"DELETE"===d))g.emulateJSON&&(e.data._method=d),e.type="POST",e.beforeSend=function(a){a.setRequestHeader("X-HTTP-Method-Override",d)};"GET"!==e.type&&!g.emulateJSON&&(e.processData=!1);return i.ajax(f.extend(e,c))};g.wrapError=function(a,b,c){return function(d,e){e=d===b?e:d;a?a(b,e,c):b.trigger("error",b,e,c)}};var x=function(){},G=function(a,
b,c){var d;d=b&&b.hasOwnProperty("constructor")?b.constructor:function(){a.apply(this,arguments)};f.extend(d,a);x.prototype=a.prototype;d.prototype=new x;b&&f.extend(d.prototype,b);c&&f.extend(d,c);d.prototype.constructor=d;d.__super__=a.prototype;return d},n=function(a,b){return!a||!a[b]?null:f.isFunction(a[b])?a[b]():a[b]},t=function(){throw Error('A "url" property or function must be specified');}}).call(this);

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/* latin */
@font-face {
font-family: 'Droid Sans';
font-style: normal;
font-weight: 400;
src: local('Droid Sans'), local('DroidSans'), url(http://fonts.gstatic.com/s/droidsans/v5/s-BiyweUPV0v-yRb-cjciPk_vArhqVIZ0nv9q090hN8.woff2) format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2212, U+2215, U+E0FF, U+EFFD, U+F000;
}
/* latin */
@font-face {
font-family: 'Droid Sans';
font-style: normal;
font-weight: 700;
src: local('Droid Sans Bold'), local('DroidSans-Bold'), url(http://fonts.gstatic.com/s/droidsans/v5/EFpQQyG9GqCrobXxL-KRMYWiMMZ7xLd792ULpGE4W_Y.woff2) format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2212, U+2215, U+E0FF, U+EFFD, U+F000;
}

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/*
* jQuery BBQ: Back Button & Query Library - v1.2.1 - 2/17/2010
* http://benalman.com/projects/jquery-bbq-plugin/
*
* Copyright (c) 2010 "Cowboy" Ben Alman
* Dual licensed under the MIT and GPL licenses.
* http://benalman.com/about/license/
*/
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/*
* jQuery hashchange event - v1.2 - 2/11/2010
* http://benalman.com/projects/jquery-hashchange-plugin/
*
* Copyright (c) 2010 "Cowboy" Ben Alman
* Dual licensed under the MIT and GPL licenses.
* http://benalman.com/about/license/
*/
(function($,i,b){var j,k=$.event.special,c="location",d="hashchange",l="href",f=$.browser,g=document.documentMode,h=f.msie&&(g===b||g<8),e="on"+d in i&&!h;function a(m){m=m||i[c][l];return m.replace(/^[^#]*#?(.*)$/,"$1")}$[d+"Delay"]=100;k[d]=$.extend(k[d],{setup:function(){if(e){return false}$(j.start)},teardown:function(){if(e){return false}$(j.stop)}});j=(function(){var m={},r,n,o,q;function p(){o=q=function(s){return s};if(h){n=$('<iframe src="javascript:0"/>').hide().insertAfter("body")[0].contentWindow;q=function(){return a(n.document[c][l])};o=function(u,s){if(u!==s){var t=n.document;t.open().close();t[c].hash="#"+u}};o(a())}}m.start=function(){if(r){return}var t=a();o||p();(function s(){var v=a(),u=q(t);if(v!==t){o(t=v,u);$(i).trigger(d)}else{if(u!==t){i[c][l]=i[c][l].replace(/#.*/,"")+"#"+u}}r=setTimeout(s,$[d+"Delay"])})()};m.stop=function(){if(!n){r&&clearTimeout(r);r=0}};return m})()})(jQuery,this);

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@ -1 +0,0 @@
(function(b){b.fn.slideto=function(a){a=b.extend({slide_duration:"slow",highlight_duration:3E3,highlight:true,highlight_color:"#FFFF99"},a);return this.each(function(){obj=b(this);b("body").animate({scrollTop:obj.offset().top},a.slide_duration,function(){a.highlight&&b.ui.version&&obj.effect("highlight",{color:a.highlight_color},a.highlight_duration)})})}})(jQuery);

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@ -1,8 +0,0 @@
/*
jQuery Wiggle
Author: WonderGroup, Jordan Thomas
URL: http://labs.wondergroup.com/demos/mini-ui/index.html
License: MIT (http://en.wikipedia.org/wiki/MIT_License)
*/
jQuery.fn.wiggle=function(o){var d={speed:50,wiggles:3,travel:5,callback:null};var o=jQuery.extend(d,o);return this.each(function(){var cache=this;var wrap=jQuery(this).wrap('<div class="wiggle-wrap"></div>').css("position","relative");var calls=0;for(i=1;i<=o.wiggles;i++){jQuery(this).animate({left:"-="+o.travel},o.speed).animate({left:"+="+o.travel*2},o.speed*2).animate({left:"-="+o.travel},o.speed,function(){calls++;if(jQuery(cache).parent().hasClass('wiggle-wrap')){jQuery(cache).parent().replaceWith(cache);}
if(calls==o.wiggles&&jQuery.isFunction(o.callback)){o.callback();}});}});};

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@ -1,125 +0,0 @@
/* http://meyerweb.com/eric/tools/css/reset/ v2.0 | 20110126 */
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
display: block;
}
body {
line-height: 1;
}
ol,
ul {
list-style: none;
}
blockquote,
q {
quotes: none;
}
blockquote:before,
blockquote:after,
q:before,
q:after {
content: '';
content: none;
}
table {
border-collapse: collapse;
border-spacing: 0;
}

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var appName;
var popupMask;
var popupDialog;
var clientId;
var realm;
function handleLogin() {
var scopes = [];
if(window.swaggerUi.api.authSchemes
&& window.swaggerUi.api.authSchemes.oauth2
&& window.swaggerUi.api.authSchemes.oauth2.scopes) {
scopes = window.swaggerUi.api.authSchemes.oauth2.scopes;
}
if(window.swaggerUi.api
&& window.swaggerUi.api.info) {
appName = window.swaggerUi.api.info.title;
}
if(popupDialog.length > 0)
popupDialog = popupDialog.last();
else {
popupDialog = $(
[
'<div class="api-popup-dialog">',
'<div class="api-popup-title">Select OAuth2.0 Scopes</div>',
'<div class="api-popup-content">',
'<p>Scopes are used to grant an application different levels of access to data on behalf of the end user. Each API may declare one or more scopes.',
'<a href="#">Learn how to use</a>',
'</p>',
'<p><strong>' + appName + '</strong> API requires the following scopes. Select which ones you want to grant to Swagger UI.</p>',
'<ul class="api-popup-scopes">',
'</ul>',
'<p class="error-msg"></p>',
'<div class="api-popup-actions"><button class="api-popup-authbtn api-button green" type="button">Authorize</button><button class="api-popup-cancel api-button gray" type="button">Cancel</button></div>',
'</div>',
'</div>'].join(''));
$(document.body).append(popupDialog);
popup = popupDialog.find('ul.api-popup-scopes').empty();
for (i = 0; i < scopes.length; i ++) {
scope = scopes[i];
str = '<li><input type="checkbox" id="scope_' + i + '" scope="' + scope.scope + '"/>' + '<label for="scope_' + i + '">' + scope.scope;
if (scope.description) {
str += '<br/><span class="api-scope-desc">' + scope.description + '</span>';
}
str += '</label></li>';
popup.append(str);
}
}
var $win = $(window),
dw = $win.width(),
dh = $win.height(),
st = $win.scrollTop(),
dlgWd = popupDialog.outerWidth(),
dlgHt = popupDialog.outerHeight(),
top = (dh -dlgHt)/2 + st,
left = (dw - dlgWd)/2;
popupDialog.css({
top: (top < 0? 0 : top) + 'px',
left: (left < 0? 0 : left) + 'px'
});
popupDialog.find('button.api-popup-cancel').click(function() {
popupMask.hide();
popupDialog.hide();
});
popupDialog.find('button.api-popup-authbtn').click(function() {
popupMask.hide();
popupDialog.hide();
var authSchemes = window.swaggerUi.api.authSchemes;
var host = window.location;
var redirectUrl = host.protocol + '//' + host.host + "/o2c.html";
var url = null;
var p = window.swaggerUi.api.authSchemes;
for (var key in p) {
if (p.hasOwnProperty(key)) {
var o = p[key].grantTypes;
for(var t in o) {
if(o.hasOwnProperty(t) && t === 'implicit') {
var dets = o[t];
url = dets.loginEndpoint.url + "?response_type=token";
window.swaggerUi.tokenName = dets.tokenName;
}
}
}
}
var scopes = []
var o = $('.api-popup-scopes').find('input:checked');
for(k =0; k < o.length; k++) {
scopes.push($(o[k]).attr("scope"));
}
window.enabledScopes=scopes;
url += '&redirect_uri=' + encodeURIComponent(redirectUrl);
url += '&realm=' + encodeURIComponent(realm);
url += '&client_id=' + encodeURIComponent(clientId);
url += '&scope=' + encodeURIComponent(scopes);
window.open(url);
});
popupMask.show();
popupDialog.show();
return;
}
function handleLogout() {
for(key in window.authorizations.authz){
window.authorizations.remove(key)
}
window.enabledScopes = null;
$('.api-ic.ic-on').addClass('ic-off');
$('.api-ic.ic-on').removeClass('ic-on');
// set the info box
$('.api-ic.ic-warning').addClass('ic-error');
$('.api-ic.ic-warning').removeClass('ic-warning');
}
function initOAuth(opts) {
var o = (opts||{});
var errors = [];
appName = (o.appName||errors.push("missing appName"));
popupMask = (o.popupMask||$('#api-common-mask'));
popupDialog = (o.popupDialog||$('.api-popup-dialog'));
clientId = (o.clientId||errors.push("missing client id"));
realm = (o.realm||errors.push("missing realm"));
if(errors.length > 0){
log("auth unable initialize oauth: " + errors);
return;
}
$('pre code').each(function(i, e) {hljs.highlightBlock(e)});
$('.api-ic').click(function(s) {
if($(s.target).hasClass('ic-off'))
handleLogin();
else {
handleLogout();
}
false;
});
}
function onOAuthComplete(token) {
if(token) {
if(token.error) {
var checkbox = $('input[type=checkbox],.secured')
checkbox.each(function(pos){
checkbox[pos].checked = false;
});
alert(token.error);
}
else {
var b = token[window.swaggerUi.tokenName];
if(b){
// if all roles are satisfied
var o = null;
$.each($('.auth #api_information_panel'), function(k, v) {
var children = v;
if(children && children.childNodes) {
var requiredScopes = [];
$.each((children.childNodes), function (k1, v1){
var inner = v1.innerHTML;
if(inner)
requiredScopes.push(inner);
});
var diff = [];
for(var i=0; i < requiredScopes.length; i++) {
var s = requiredScopes[i];
if(window.enabledScopes && window.enabledScopes.indexOf(s) == -1) {
diff.push(s);
}
}
if(diff.length > 0){
o = v.parentNode;
$(o.parentNode).find('.api-ic.ic-on').addClass('ic-off');
$(o.parentNode).find('.api-ic.ic-on').removeClass('ic-on');
// sorry, not all scopes are satisfied
$(o).find('.api-ic').addClass('ic-warning');
$(o).find('.api-ic').removeClass('ic-error');
}
else {
o = v.parentNode;
$(o.parentNode).find('.api-ic.ic-off').addClass('ic-on');
$(o.parentNode).find('.api-ic.ic-off').removeClass('ic-off');
// all scopes are satisfied
$(o).find('.api-ic').addClass('ic-info');
$(o).find('.api-ic').removeClass('ic-warning');
$(o).find('.api-ic').removeClass('ic-error');
}
}
});
window.authorizations.add("oauth2", new ApiKeyAuthorization("Authorization", "Bearer " + b, "header"));
}
}
}
}

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// Underscore.js 1.3.3
// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
// Underscore is freely distributable under the MIT license.
// Portions of Underscore are inspired or borrowed from Prototype,
// Oliver Steele's Functional, and John Resig's Micro-Templating.
// For all details and documentation:
// http://documentcloud.github.com/underscore
(function(){function r(a,c,d){if(a===c)return 0!==a||1/a==1/c;if(null==a||null==c)return a===c;a._chain&&(a=a._wrapped);c._chain&&(c=c._wrapped);if(a.isEqual&&b.isFunction(a.isEqual))return a.isEqual(c);if(c.isEqual&&b.isFunction(c.isEqual))return c.isEqual(a);var e=l.call(a);if(e!=l.call(c))return!1;switch(e){case "[object String]":return a==""+c;case "[object Number]":return a!=+a?c!=+c:0==a?1/a==1/c:a==+c;case "[object Date]":case "[object Boolean]":return+a==+c;case "[object RegExp]":return a.source==
c.source&&a.global==c.global&&a.multiline==c.multiline&&a.ignoreCase==c.ignoreCase}if("object"!=typeof a||"object"!=typeof c)return!1;for(var f=d.length;f--;)if(d[f]==a)return!0;d.push(a);var f=0,g=!0;if("[object Array]"==e){if(f=a.length,g=f==c.length)for(;f--&&(g=f in a==f in c&&r(a[f],c[f],d)););}else{if("constructor"in a!="constructor"in c||a.constructor!=c.constructor)return!1;for(var h in a)if(b.has(a,h)&&(f++,!(g=b.has(c,h)&&r(a[h],c[h],d))))break;if(g){for(h in c)if(b.has(c,h)&&!f--)break;
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c,d){if(a!=null)if(y&&a.forEach===y)a.forEach(c,d);else if(a.length===+a.length)for(var e=0,f=a.length;e<f;e++){if(e in a&&c.call(d,a[e],e,a)===o)break}else for(e in a)if(b.has(a,e)&&c.call(d,a[e],e,a)===o)break};b.map=b.collect=function(a,c,b){var e=[];if(a==null)return e;if(z&&a.map===z)return a.map(c,b);j(a,function(a,g,h){e[e.length]=c.call(b,a,g,h)});if(a.length===+a.length)e.length=a.length;return e};b.reduce=b.foldl=b.inject=function(a,c,d,e){var f=arguments.length>2;a==null&&(a=[]);if(A&&
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@ -1,78 +0,0 @@
<!DOCTYPE html>
<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Matrix Client-Server API Documentation</title>
<link href="./files/css" rel="stylesheet" type="text/css">
<link href="./files/reset.css" media="screen" rel="stylesheet" type="text/css">
<link href="./files/screen.css" media="screen" rel="stylesheet" type="text/css">
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<script src="./files/highlight.7.3.pack.js" type="text/javascript"></script>
<!-- enabling this will enable oauth2 implicit scope support -->
<script src="./files/swagger-oauth.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
window.swaggerUi = new SwaggerUi({
url: "http://localhost:8000/swagger_matrix/api-docs",
dom_id: "swagger-ui-container",
supportedSubmitMethods: ['get', 'post', 'put', 'delete'],
onComplete: function(swaggerApi, swaggerUi){
log("Loaded SwaggerUI");
if(typeof initOAuth == "function") {
initOAuth({
clientId: "your-client-id",
realm: "your-realms",
appName: "your-app-name"
});
}
$('pre code').each(function(i, e) {
hljs.highlightBlock(e)
});
},
onFailure: function(data) {
log("Unable to Load SwaggerUI");
},
docExpansion: "none"
});
$('#input_apiKey').change(function() {
var key = $('#input_apiKey')[0].value;
log("key: " + key);
if(key && key.trim() != "") {
log("added key " + key);
window.authorizations.add("key", new ApiKeyAuthorization("access_token", key, "query"));
}
})
window.swaggerUi.load();
});
</script>
</head>
<body class="swagger-section">
<div id="header">
<div class="swagger-ui-wrap">
<a id="logo" href="http://swagger.wordnik.com/">swagger</a>
<form id="api_selector">
<div class="input"><input placeholder="http://example.com/api" id="input_baseUrl" name="baseUrl" type="text"></div>
<div class="input"><input placeholder="access_token" id="input_apiKey" name="apiKey" type="text"></div>
</form>
</div>
</div>
<div id="message-bar" class="swagger-ui-wrap message-fail">Can't read from server. It may not have the appropriate access-control-origin settings.</div>
<div id="swagger-ui-container" class="swagger-ui-wrap"></div>
</body></html>

View File

@ -1,59 +0,0 @@
Transaction
===========
Required keys:
============ =================== ===============================================
Key Type Description
============ =================== ===============================================
origin String DNS name of homeserver making this transaction.
ts Integer Timestamp in milliseconds on originating
homeserver when this transaction started.
previous_ids List of Strings List of transactions that were sent immediately
prior to this transaction.
pdus List of Objects List of updates contained in this transaction.
============ =================== ===============================================
PDU
===
Required keys:
============ ================== ================================================
Key Type Description
============ ================== ================================================
context String Event context identifier
origin String DNS name of homeserver that created this PDU.
pdu_id String Unique identifier for PDU within the context for
the originating homeserver.
ts Integer Timestamp in milliseconds on originating
homeserver when this PDU was created.
pdu_type String PDU event type.
prev_pdus List of Pairs The originating homeserver and PDU ids of the
of Strings most recent PDUs the homeserver was aware of for
this context when it made this PDU.
depth Integer The maximum depth of the previous PDUs plus one.
============ ================== ================================================
Keys for state updates:
================== ============ ================================================
Key Type Description
================== ============ ================================================
is_state Boolean True if this PDU is updating state.
state_key String Optional key identifying the updated state within
the context.
power_level Integer The asserted power level of the user performing
the update.
min_update Integer The required power level needed to replace this
update.
prev_state_id String The homeserver of the update this replaces
prev_state_origin String The PDU id of the update this replaces.
user String The user updating the state.
================== ============ ================================================

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@ -1,151 +0,0 @@
Signing JSON
============
JSON is signed by encoding the JSON object without ``signatures`` or ``meta``
keys using a canonical encoding. The JSON bytes are then signed using the
signature algorithm and the signature encoded using base64 with the padding
stripped. The resulting base64 signature is added to an object under the
*signing key identifier* which is added to the ``signatures`` object under the
name of the server signing it which is added back to the original JSON object
along with the ``meta`` object.
The *signing key identifier* is the concatenation of the *signing algorithm*
and a *key version*. The *signing algorithm* identifies the algorithm used to
sign the JSON. The currently support value for *signing algorithm* is
``ed25519`` as implemented by NACL (http://nacl.cr.yp.to/). The *key version*
is used to distinguish between different signing keys used by the same entity.
The ``meta`` object and the ``signatures`` object are not covered by the
signature. Therefore intermediate servers can add metadata such as time stamps
and additional signatures.
::
{
"name": "example.org",
"signing_keys": {
"ed25519:1": "XSl0kuyvrXNj6A+7/tkrB9sxSbRi08Of5uRhxOqZtEQ"
},
"meta": {
"retrieved_ts_ms": 922834800000
},
"signatures": {
"example.org": {
"ed25519:1": "s76RUgajp8w172am0zQb/iPTHsRnb4SkrzGoeCOSFfcBY2V/1c8QfrmdXHpvnc2jK5BD1WiJIxiMW95fMjK7Bw"
}
}
}
::
def sign_json(json_object, signing_key, signing_name):
signatures = json_object.pop("signatures", {})
meta = json_object.pop("meta", None)
signed = signing_key.sign(encode_canonical_json(json_object))
signature_base64 = encode_base64(signed.signature)
key_id = "%s:%s" % (signing_key.alg, signing_key.version)
signatures.setdefault(sigature_name, {})[key_id] = signature_base64
json_object["signatures"] = signatures
if meta is not None:
json_object["meta"] = meta
return json_object
Checking for a Signature
------------------------
To check if an entity has signed a JSON object a server does the following
1. Checks if the ``signatures`` object contains an entry with the name of the
entity. If the entry is missing then the check fails.
2. Removes any *signing key identifiers* from the entry with algorithms it
doesn't understand. If there are no *signing key identifiers* left then the
check fails.
3. Looks up *verification keys* for the remaining *signing key identifiers*
either from a local cache or by consulting a trusted key server. If it
cannot find a *verification key* then the check fails.
4. Decodes the base64 encoded signature bytes. If base64 decoding fails then
the check fails.
5. Checks the signature bytes using the *verification key*. If this fails then
the check fails. Otherwise the check succeeds.
Canonical JSON
--------------
The canonical JSON encoding for a value is the shortest UTF-8 JSON encoding
with dictionary keys lexicographically sorted by unicode codepoint. Numbers in
the JSON value must be integers in the range [-(2**53)+1, (2**53)-1].
::
import json
def canonical_json(value):
return json.dumps(
value,
ensure_ascii=False,
separators=(',',':'),
sort_keys=True,
).encode("UTF-8")
Grammar
+++++++
Adapted from the grammar in http://tools.ietf.org/html/rfc7159 removing
insignificant whitespace, fractions, exponents and redundant character escapes
::
value = false / null / true / object / array / number / string
false = %x66.61.6c.73.65
null = %x6e.75.6c.6c
true = %x74.72.75.65
object = %x7B [ member *( %x2C member ) ] %7D
member = string %x3A value
array = %x5B [ value *( %x2C value ) ] %5B
number = [ %x2D ] int
int = %x30 / ( %x31-39 *digit )
digit = %x30-39
string = %x22 *char %x22
char = unescaped / %x5C escaped
unescaped = %x20-21 / %x23-5B / %x5D-10FFFF
escaped = %x22 ; " quotation mark U+0022
/ %x5C ; \ reverse solidus U+005C
/ %x62 ; b backspace U+0008
/ %x66 ; f form feed U+000C
/ %x6E ; n line feed U+000A
/ %x72 ; r carriage return U+000D
/ %x74 ; t tab U+0009
/ %x75.30.30.30 (%x30-37 / %x62 / %x65-66) ; u000X
/ %x75.30.30.31 (%x30-39 / %x61-66) ; u001X
Signing Events
==============
Signing events is a more complicated process since servers can choose to redact
non-essential event contents. Before signing the event it is encoded as
Canonical JSON and hashed using SHA-256. The resulting hash is then stored
in the event JSON in a ``hash`` object under a ``sha256`` key. Then all
non-essential keys are stripped from the event object, and the resulting object
which included the ``hash`` key is signed using the JSON signing algorithm.
Servers can then transmit the entire event or the event with the non-essential
keys removed. Receiving servers can then check the entire event if it is
present by computing the SHA-256 of the event excluding the ``hash`` object, or
by using the ``hash`` object included in the event if keys have been redacted.
New hash functions can be introduced by adding additional keys to the ``hash``
object. Since the ``hash`` object cannot be redacted a server shouldn't allow
too many hashes to be listed, otherwise a server might embed illict data within
the ``hash`` object. For similar reasons a server shouldn't allow hash values
that are too long.
[[TODO(markjh): We might want to specify a maximum number of keys for the
``hash`` and we might want to specify the maximum output size of a hash]]
[[TODO(markjh) We might want to allow the server to omit the output of well
known hash functions like SHA-256 when none of the keys have been redacted]]

View File

@ -1,231 +0,0 @@
===========================
Matrix Server-to-Server API
===========================
A description of the protocol used to communicate between Matrix home servers;
also known as Federation.
Overview
========
The server-server API is a mechanism by which two home servers can exchange
Matrix event messages, both as a real-time push of current events, and as a
historic fetching mechanism to synchronise past history for clients to view. It
uses HTTP connections between each pair of servers involved as the underlying
transport. Messages are exchanged between servers in real-time by active pushing
from each server's HTTP client into the server of the other. Queries to fetch
historic data for the purpose of back-filling scrollback buffers and the like
can also be performed.
{ Matrix clients } { Matrix clients }
^ | ^ |
| events | | events |
| V | V
+------------------+ +------------------+
| |---------( HTTP )---------->| |
| Home Server | | Home Server |
| |<--------( HTTP )-----------| |
+------------------+ +------------------+
There are three main kinds of communication that occur between home servers:
* Queries
These are single request/response interactions between a given pair of
servers, initiated by one side sending an HTTP request to obtain some
information, and responded by the other. They are not persisted and contain
no long-term significant history. They simply request a snapshot state at the
instant the query is made.
* EDUs - Ephemeral Data Units
These are notifications of events that are pushed from one home server to
another. They are not persisted and contain no long-term significant history,
nor does the receiving home server have to reply to them.
* PDUs - Persisted Data Units
These are notifications of events that are broadcast from one home server to
any others that are interested in the same "context" (namely, a Room ID).
They are persisted to long-term storage and form the record of history for
that context.
Where Queries are presented directly across the HTTP connection as GET requests
to specific URLs, EDUs and PDUs are further wrapped in an envelope called a
Transaction, which is transferred from the origin to the destination home server
using a PUT request.
Transactions and EDUs/PDUs
==========================
The transfer of EDUs and PDUs between home servers is performed by an exchange
of Transaction messages, which are encoded as JSON objects with a dict as the
top-level element, passed over an HTTP PUT request. A Transaction is meaningful
only to the pair of home servers that exchanged it; they are not globally-
meaningful.
Each transaction has an opaque ID and timestamp (UNIX epoch time in
milliseconds) generated by its origin server, an origin and destination server
name, a list of "previous IDs", and a list of PDUs - the actual message payload
that the Transaction carries.
{"transaction_id":"916d630ea616342b42e98a3be0b74113",
"ts":1404835423000,
"origin":"red",
"destination":"blue",
"prev_ids":["e1da392e61898be4d2009b9fecce5325"],
"pdus":[...],
"edus":[...]}
The "previous IDs" field will contain a list of previous transaction IDs that
the origin server has sent to this destination. Its purpose is to act as a
sequence checking mechanism - the destination server can check whether it has
successfully received that Transaction, or ask for a retransmission if not.
The "pdus" field of a transaction is a list, containing zero or more PDUs.[*]
Each PDU is itself a dict containing a number of keys, the exact details of
which will vary depending on the type of PDU. Similarly, the "edus" field is
another list containing the EDUs. This key may be entirely absent if there are
no EDUs to transfer.
(* Normally the PDU list will be non-empty, but the server should cope with
receiving an "empty" transaction, as this is useful for informing peers of other
transaction IDs they should be aware of. This effectively acts as a push
mechanism to encourage peers to continue to replicate content.)
All PDUs have an ID, a context, a declaration of their type, a list of other PDU
IDs that have been seen recently on that context (regardless of which origin
sent them), and a nested content field containing the actual event content.
[[TODO(paul): Update this structure so that 'pdu_id' is a two-element
[origin,ref] pair like the prev_pdus are]]
{"pdu_id":"a4ecee13e2accdadf56c1025af232176",
"context":"#example.green",
"origin":"green",
"ts":1404838188000,
"pdu_type":"m.text",
"prev_pdus":[["blue","99d16afbc857975916f1d73e49e52b65"]],
"content":...
"is_state":false}
In contrast to the transaction layer, it is important to note that the prev_pdus
field of a PDU refers to PDUs that any origin server has sent, rather than
previous IDs that this origin has sent. This list may refer to other PDUs sent
by the same origin as the current one, or other origins.
Because of the distributed nature of participants in a Matrix conversation, it
is impossible to establish a globally-consistent total ordering on the events.
However, by annotating each outbound PDU at its origin with IDs of other PDUs it
has received, a partial ordering can be constructed allowing causallity
relationships to be preserved. A client can then display these messages to the
end-user in some order consistent with their content and ensure that no message
that is semantically in reply of an earlier one is ever displayed before it.
PDUs fall into two main categories: those that deliver Events, and those that
synchronise State. For PDUs that relate to State synchronisation, additional
keys exist to support this:
{...,
"is_state":true,
"state_key":TODO
"power_level":TODO
"prev_state_id":TODO
"prev_state_origin":TODO}
[[TODO(paul): At this point we should probably have a long description of how
State management works, with descriptions of clobbering rules, power levels, etc
etc... But some of that detail is rather up-in-the-air, on the whiteboard, and
so on. This part needs refining. And writing in its own document as the details
relate to the server/system as a whole, not specifically to server-server
federation.]]
EDUs, by comparison to PDUs, do not have an ID, a context, or a list of
"previous" IDs. The only mandatory fields for these are the type, origin and
destination home server names, and the actual nested content.
{"edu_type":"m.presence",
"origin":"blue",
"destination":"orange",
"content":...}
Protocol URLs
=============
All these URLs are namespaced within a prefix of
/_matrix/federation/v1/...
For active pushing of messages representing live activity "as it happens":
PUT .../send/:transaction_id/
Body: JSON encoding of a single Transaction
Response: [[TODO(paul): I don't actually understand what
ReplicationLayer.on_transaction() is doing here, so I'm not sure what the
response ought to be]]
The transaction_id path argument will override any ID given in the JSON body.
The destination name will be set to that of the receiving server itself. Each
embedded PDU in the transaction body will be processed.
To fetch a particular PDU:
GET .../pdu/:origin/:pdu_id/
Response: JSON encoding of a single Transaction containing one PDU
Retrieves a given PDU from the server. The response will contain a single new
Transaction, inside which will be the requested PDU.
To fetch all the state of a given context:
GET .../state/:context/
Response: JSON encoding of a single Transaction containing multiple PDUs
Retrieves a snapshot of the entire current state of the given context. The
response will contain a single Transaction, inside which will be a list of
PDUs that encode the state.
To backfill events on a given context:
GET .../backfill/:context/
Query args: v, limit
Response: JSON encoding of a single Transaction containing multiple PDUs
Retrieves a sliding-window history of previous PDUs that occurred on the
given context. Starting from the PDU ID(s) given in the "v" argument, the
PDUs that preceeded it are retrieved, up to a total number given by the
"limit" argument. These are then returned in a new Transaction containing all
off the PDUs.
To stream events all the events:
GET .../pull/
Query args: origin, v
Response: JSON encoding of a single Transaction consisting of multiple PDUs
Retrieves all of the transactions later than any version given by the "v"
arguments. [[TODO(paul): I'm not sure what the "origin" argument does because
I think at some point in the code it's got swapped around.]]
To make a query:
GET .../query/:query_type
Query args: as specified by the individual query types
Response: JSON encoding of a response object
Performs a single query request on the receiving home server. The Query Type
part of the path specifies the kind of query being made, and its query
arguments have a meaning specific to that kind of query. The response is a
JSON-encoded object whose meaning also depends on the kind of query.

View File

@ -1,11 +0,0 @@
Versioning is, like, hard for backfilling backwards because of the number of Home Servers involved.
The way we solve this is by doing versioning as an acyclic directed graph of PDUs. For backfilling purposes, this is done on a per context basis.
When we send a PDU we include all PDUs that have been received for that context that hasn't been subsequently listed in a later PDU. The trivial case is a simple list of PDUs, e.g. A <- B <- C. However, if two servers send out a PDU at the same to, both B and C would point at A - a later PDU would then list both B and C.
Problems with opaque version strings:
- How do you do clustering without mandating that a cluster can only have one transaction in flight to a given remote home server at a time.
If you have multiple transactions sent at once, then you might drop one transaction, receive another with a version that is later than the dropped transaction and which point ARGH WE LOST A TRANSACTION.
- How do you do backfilling? A version string defines a point in a stream w.r.t. a single home server, not a point in the context.
We only need to store the ends of the directed graph, we DO NOT need to do the whole one table of nodes and one of edges.

1
docs/sphinx/README.rst Normal file
View File

@ -0,0 +1 @@
TODO: how (if at all) is this actually maintained?

View File

@ -0,0 +1,47 @@
from synapse.crypto.event_signing import *
from syutil.base64util import encode_base64
import argparse
import hashlib
import sys
import json
class dictobj(dict):
def __init__(self, *args, **kargs):
dict.__init__(self, *args, **kargs)
self.__dict__ = self
def get_dict(self):
return dict(self)
def get_full_dict(self):
return dict(self)
def main():
parser = argparse.ArgumentParser()
parser.add_argument("input_json", nargs="?", type=argparse.FileType('r'),
default=sys.stdin)
args = parser.parse_args()
logging.basicConfig()
event_json = dictobj(json.load(args.input_json))
algorithms = {
"sha256": hashlib.sha256,
}
for alg_name in event_json.hashes:
if check_event_content_hash(event_json, algorithms[alg_name]):
print "PASS content hash %s" % (alg_name,)
else:
print "FAIL content hash %s" % (alg_name,)
for algorithm in algorithms.values():
name, h_bytes = compute_event_reference_hash(event_json, algorithm)
print "Reference hash %s: %s" % (name, encode_base64(h_bytes))
if __name__=="__main__":
main()

View File

@ -0,0 +1,73 @@
from syutil.crypto.jsonsign import verify_signed_json
from syutil.crypto.signing_key import (
decode_verify_key_bytes, write_signing_keys
)
from syutil.base64util import decode_base64
import urllib2
import json
import sys
import dns.resolver
import pprint
import argparse
import logging
def get_targets(server_name):
if ":" in server_name:
target, port = server_name.split(":")
yield (target, int(port))
return
try:
answers = dns.resolver.query("_matrix._tcp." + server_name, "SRV")
for srv in answers:
yield (srv.target, srv.port)
except dns.resolver.NXDOMAIN:
yield (server_name, 8480)
def get_server_keys(server_name, target, port):
url = "https://%s:%i/_matrix/key/v1" % (target, port)
keys = json.load(urllib2.urlopen(url))
verify_keys = {}
for key_id, key_base64 in keys["verify_keys"].items():
verify_key = decode_verify_key_bytes(key_id, decode_base64(key_base64))
verify_signed_json(keys, server_name, verify_key)
verify_keys[key_id] = verify_key
return verify_keys
def main():
parser = argparse.ArgumentParser()
parser.add_argument("signature_name")
parser.add_argument("input_json", nargs="?", type=argparse.FileType('r'),
default=sys.stdin)
args = parser.parse_args()
logging.basicConfig()
server_name = args.signature_name
keys = {}
for target, port in get_targets(server_name):
try:
keys = get_server_keys(server_name, target, port)
print "Using keys from https://%s:%s/_matrix/key/v1" % (target, port)
write_signing_keys(sys.stdout, keys.values())
break
except:
logging.exception("Error talking to %s:%s", target, port)
json_to_check = json.load(args.input_json)
print "Checking JSON:"
for key_id in json_to_check["signatures"][args.signature_name]:
try:
key = keys[key_id]
verify_signed_json(json_to_check, args.signature_name, key)
print "PASS %s" % (key_id,)
except:
logging.exception("Check for key %s failed" % (key_id,))
print "FAIL %s" % (key_id,)
if __name__ == '__main__':
main()

69
scripts/hash_history.py Normal file
View File

@ -0,0 +1,69 @@
from synapse.storage.pdu import PduStore
from synapse.storage.signatures import SignatureStore
from synapse.storage._base import SQLBaseStore
from synapse.federation.units import Pdu
from synapse.crypto.event_signing import (
add_event_pdu_content_hash, compute_pdu_event_reference_hash
)
from synapse.api.events.utils import prune_pdu
from syutil.base64util import encode_base64, decode_base64
from syutil.jsonutil import encode_canonical_json
import sqlite3
import sys
class Store(object):
_get_pdu_tuples = PduStore.__dict__["_get_pdu_tuples"]
_get_pdu_content_hashes_txn = SignatureStore.__dict__["_get_pdu_content_hashes_txn"]
_get_prev_pdu_hashes_txn = SignatureStore.__dict__["_get_prev_pdu_hashes_txn"]
_get_pdu_origin_signatures_txn = SignatureStore.__dict__["_get_pdu_origin_signatures_txn"]
_store_pdu_content_hash_txn = SignatureStore.__dict__["_store_pdu_content_hash_txn"]
_store_pdu_reference_hash_txn = SignatureStore.__dict__["_store_pdu_reference_hash_txn"]
_store_prev_pdu_hash_txn = SignatureStore.__dict__["_store_prev_pdu_hash_txn"]
_simple_insert_txn = SQLBaseStore.__dict__["_simple_insert_txn"]
store = Store()
def select_pdus(cursor):
cursor.execute(
"SELECT pdu_id, origin FROM pdus ORDER BY depth ASC"
)
ids = cursor.fetchall()
pdu_tuples = store._get_pdu_tuples(cursor, ids)
pdus = [Pdu.from_pdu_tuple(p) for p in pdu_tuples]
reference_hashes = {}
for pdu in pdus:
try:
if pdu.prev_pdus:
print "PROCESS", pdu.pdu_id, pdu.origin, pdu.prev_pdus
for pdu_id, origin, hashes in pdu.prev_pdus:
ref_alg, ref_hsh = reference_hashes[(pdu_id, origin)]
hashes[ref_alg] = encode_base64(ref_hsh)
store._store_prev_pdu_hash_txn(cursor, pdu.pdu_id, pdu.origin, pdu_id, origin, ref_alg, ref_hsh)
print "SUCCESS", pdu.pdu_id, pdu.origin, pdu.prev_pdus
pdu = add_event_pdu_content_hash(pdu)
ref_alg, ref_hsh = compute_pdu_event_reference_hash(pdu)
reference_hashes[(pdu.pdu_id, pdu.origin)] = (ref_alg, ref_hsh)
store._store_pdu_reference_hash_txn(cursor, pdu.pdu_id, pdu.origin, ref_alg, ref_hsh)
for alg, hsh_base64 in pdu.hashes.items():
print alg, hsh_base64
store._store_pdu_content_hash_txn(cursor, pdu.pdu_id, pdu.origin, alg, decode_base64(hsh_base64))
except:
print "FAILED_", pdu.pdu_id, pdu.origin, pdu.prev_pdus
def main():
conn = sqlite3.connect(sys.argv[1])
cursor = conn.cursor()
select_pdus(cursor)
conn.commit()
if __name__=='__main__':
main()

View File

@ -26,12 +26,13 @@ def read(fname):
return open(os.path.join(os.path.dirname(__file__), fname)).read()
setup(
name="SynapseHomeServer",
version="0.0.1",
packages=find_packages(exclude=["tests"]),
name="synapse",
version=read("VERSION"),
packages=find_packages(exclude=["tests", "tests.*"]),
description="Reference Synapse Home Server",
install_requires=[
"syutil==0.0.2",
"syweb==0.0.1",
"Twisted>=14.0.0",
"service_identity>=1.0.0",
"pyopenssl>=0.14",
@ -43,6 +44,8 @@ setup(
],
dependency_links=[
"https://github.com/matrix-org/syutil/tarball/v0.0.2#egg=syutil-0.0.2",
"https://github.com/pyca/pynacl/tarball/52dbe2dc33f1#egg=pynacl-0.3.0",
"https://github.com/matrix-org/matrix-angular-sdk/tarball/master/#egg=syweb-0.0.1",
],
setup_requires=[
"setuptools_trial",
@ -51,9 +54,11 @@ setup(
"mock"
],
include_package_data=True,
zip_safe=False,
long_description=read("README.rst"),
entry_points="""
[console_scripts]
synctl=synapse.app.synctl:main
synapse-homeserver=synapse.app.homeserver:run
"""
)

View File

@ -16,4 +16,4 @@
""" This is a reference implementation of a synapse home server.
"""
__version__ = "0.4.2"
__version__ = "0.5.0"

View File

@ -21,8 +21,10 @@ from synapse.api.constants import Membership, JoinRules
from synapse.api.errors import AuthError, StoreError, Codes, SynapseError
from synapse.api.events.room import (
RoomMemberEvent, RoomPowerLevelsEvent, RoomRedactionEvent,
RoomJoinRulesEvent, RoomCreateEvent, RoomAliasesEvent,
)
from synapse.util.logutils import log_function
from syutil.base64util import encode_base64
import logging
@ -34,9 +36,9 @@ class Auth(object):
def __init__(self, hs):
self.hs = hs
self.store = hs.get_datastore()
self.state = hs.get_state_handler()
@defer.inlineCallbacks
def check(self, event, snapshot, raises=False):
def check(self, event, raises=False):
""" Checks if this event is correctly authed.
Returns:
@ -47,43 +49,55 @@ class Auth(object):
"""
try:
if hasattr(event, "room_id"):
is_state = hasattr(event, "state_key")
if event.old_state_events is None:
# Oh, we don't know what the state of the room was, so we
# are trusting that this is allowed (at least for now)
logger.warn("Trusting event: %s", event.event_id)
return True
if hasattr(event, "outlier") and event.outlier is True:
# TODO (erikj): Auth for outliers is done differently.
return True
if event.type == RoomCreateEvent.TYPE:
# FIXME
return True
# FIXME: Temp hack
if event.type == RoomAliasesEvent.TYPE:
return True
if event.type == RoomMemberEvent.TYPE:
yield self._can_replace_state(event)
allowed = yield self.is_membership_change_allowed(event)
defer.returnValue(allowed)
return
allowed = self.is_membership_change_allowed(event)
if allowed:
logger.debug("Allowing! %s", event)
else:
logger.debug("Denying! %s", event)
return allowed
self._check_joined_room(
member=snapshot.membership_state,
user_id=snapshot.user_id,
room_id=snapshot.room_id,
)
if is_state:
# TODO (erikj): This really only should be called for *new*
# state
yield self._can_add_state(event)
yield self._can_replace_state(event)
else:
yield self._can_send_event(event)
self.check_event_sender_in_room(event)
self._can_send_event(event)
if event.type == RoomPowerLevelsEvent.TYPE:
yield self._check_power_levels(event)
self._check_power_levels(event)
if event.type == RoomRedactionEvent.TYPE:
yield self._check_redaction(event)
self._check_redaction(event)
defer.returnValue(True)
logger.debug("Allowing! %s", event)
return True
else:
raise AuthError(500, "Unknown event: %s" % event)
except AuthError as e:
logger.info("Event auth check failed on event %s with msg: %s",
event, e.msg)
logger.info(
"Event auth check failed on event %s with msg: %s",
event, e.msg
)
logger.info("Denying! %s", event)
if raises:
raise e
defer.returnValue(False)
raise
return False
@defer.inlineCallbacks
def check_joined_room(self, room_id, user_id):
@ -98,45 +112,101 @@ class Auth(object):
pass
defer.returnValue(None)
@defer.inlineCallbacks
def check_host_in_room(self, room_id, host):
curr_state = yield self.state.get_current_state(room_id)
for event in curr_state:
if event.type == RoomMemberEvent.TYPE:
try:
if self.hs.parse_userid(event.state_key).domain != host:
continue
except:
logger.warn("state_key not user_id: %s", event.state_key)
continue
if event.content["membership"] == Membership.JOIN:
defer.returnValue(True)
defer.returnValue(False)
def check_event_sender_in_room(self, event):
key = (RoomMemberEvent.TYPE, event.user_id, )
member_event = event.state_events.get(key)
return self._check_joined_room(
member_event,
event.user_id,
event.room_id
)
def _check_joined_room(self, member, user_id, room_id):
if not member or member.membership != Membership.JOIN:
raise AuthError(403, "User %s not in room %s (%s)" % (
user_id, room_id, repr(member)
))
@defer.inlineCallbacks
@log_function
def is_membership_change_allowed(self, event):
target_user_id = event.state_key
# does this room even exist
room = yield self.store.get_room(event.room_id)
if not room:
raise AuthError(403, "Room does not exist")
# get info about the caller
try:
caller = yield self.store.get_room_member(
user_id=event.user_id,
room_id=event.room_id)
except:
caller = None
caller_in_room = caller and caller.membership == "join"
# get info about the target
try:
target = yield self.store.get_room_member(
user_id=target_user_id,
room_id=event.room_id)
except:
target = None
target_in_room = target and target.membership == "join"
membership = event.content["membership"]
join_rule = yield self.store.get_room_join_rule(event.room_id)
if not join_rule:
# Check if this is the room creator joining:
if len(event.prev_events) == 1 and Membership.JOIN == membership:
# Get room creation event:
key = (RoomCreateEvent.TYPE, "", )
create = event.old_state_events.get(key)
if event.prev_events[0][0] == create.event_id:
if create.content["creator"] == event.state_key:
return True
target_user_id = event.state_key
# get info about the caller
key = (RoomMemberEvent.TYPE, event.user_id, )
caller = event.old_state_events.get(key)
caller_in_room = caller and caller.membership == Membership.JOIN
caller_invited = caller and caller.membership == Membership.INVITE
# get info about the target
key = (RoomMemberEvent.TYPE, target_user_id, )
target = event.old_state_events.get(key)
target_in_room = target and target.membership == Membership.JOIN
key = (RoomJoinRulesEvent.TYPE, "", )
join_rule_event = event.old_state_events.get(key)
if join_rule_event:
join_rule = join_rule_event.content.get(
"join_rule", JoinRules.INVITE
)
else:
join_rule = JoinRules.INVITE
user_level = self._get_power_level_from_event_state(
event,
event.user_id,
)
ban_level, kick_level, redact_level = (
self._get_ops_level_from_event_state(
event
)
)
logger.debug(
"is_membership_change_allowed: %s",
{
"caller_in_room": caller_in_room,
"caller_invited": caller_invited,
"target_in_room": target_in_room,
"membership": membership,
"join_rule": join_rule,
"target_user_id": target_user_id,
"event.user_id": event.user_id,
}
)
if Membership.INVITE == membership:
# TODO (erikj): We should probably handle this more intelligently
# PRIVATE join rules.
@ -153,13 +223,10 @@ class Auth(object):
# joined: It's a NOOP
if event.user_id != target_user_id:
raise AuthError(403, "Cannot force another user to join.")
elif join_rule == JoinRules.PUBLIC or room.is_public:
elif join_rule == JoinRules.PUBLIC:
pass
elif join_rule == JoinRules.INVITE:
if (
not caller or caller.membership not in
[Membership.INVITE, Membership.JOIN]
):
if not caller_in_room and not caller_invited:
raise AuthError(403, "You are not invited to this room.")
else:
# TODO (erikj): may_join list
@ -171,29 +238,16 @@ class Auth(object):
if not caller_in_room: # trying to leave a room you aren't joined
raise AuthError(403, "You are not in room %s." % event.room_id)
elif target_user_id != event.user_id:
user_level = yield self.store.get_power_level(
event.room_id,
event.user_id,
)
_, kick_level, _ = yield self.store.get_ops_levels(event.room_id)
if kick_level:
kick_level = int(kick_level)
else:
kick_level = 50
kick_level = 50 # FIXME (erikj): What should we do here?
if user_level < kick_level:
raise AuthError(
403, "You cannot kick user %s." % target_user_id
)
elif Membership.BAN == membership:
user_level = yield self.store.get_power_level(
event.room_id,
event.user_id,
)
ban_level, _, _ = yield self.store.get_ops_levels(event.room_id)
if ban_level:
ban_level = int(ban_level)
else:
@ -204,7 +258,36 @@ class Auth(object):
else:
raise AuthError(500, "Unknown membership %s" % membership)
defer.returnValue(True)
return True
def _get_power_level_from_event_state(self, event, user_id):
key = (RoomPowerLevelsEvent.TYPE, "", )
power_level_event = event.old_state_events.get(key)
level = None
if power_level_event:
level = power_level_event.content.get("users", {}).get(user_id)
if not level:
level = power_level_event.content.get("users_default", 0)
else:
key = (RoomCreateEvent.TYPE, "", )
create_event = event.old_state_events.get(key)
if (create_event is not None and
create_event.content["creator"] == user_id):
return 100
return level
def _get_ops_level_from_event_state(self, event):
key = (RoomPowerLevelsEvent.TYPE, "", )
power_level_event = event.old_state_events.get(key)
if power_level_event:
return (
power_level_event.content.get("ban", 50),
power_level_event.content.get("kick", 50),
power_level_event.content.get("redact", 50),
)
return None, None, None,
@defer.inlineCallbacks
def get_user_by_req(self, request):
@ -229,7 +312,7 @@ class Auth(object):
default=[""]
)[0]
if user and access_token and ip_addr:
self.store.insert_client_ip(
yield self.store.insert_client_ip(
user=user,
access_token=access_token,
device_id=user_info["device_id"],
@ -273,17 +356,81 @@ class Auth(object):
return self.store.is_server_admin(user)
@defer.inlineCallbacks
def add_auth_events(self, event):
if event.type == RoomCreateEvent.TYPE:
event.auth_events = []
return
auth_events = []
key = (RoomPowerLevelsEvent.TYPE, "", )
power_level_event = event.old_state_events.get(key)
if power_level_event:
auth_events.append(power_level_event.event_id)
key = (RoomJoinRulesEvent.TYPE, "", )
join_rule_event = event.old_state_events.get(key)
key = (RoomMemberEvent.TYPE, event.user_id, )
member_event = event.old_state_events.get(key)
if join_rule_event:
join_rule = join_rule_event.content.get("join_rule")
is_public = join_rule == JoinRules.PUBLIC if join_rule else False
else:
is_public = False
if event.type == RoomMemberEvent.TYPE:
e_type = event.content["membership"]
if e_type in [Membership.JOIN, Membership.INVITE]:
if join_rule_event:
auth_events.append(join_rule_event.event_id)
if member_event and not is_public:
auth_events.append(member_event.event_id)
elif member_event:
if member_event.content["membership"] == Membership.JOIN:
auth_events.append(member_event.event_id)
hashes = yield self.store.get_event_reference_hashes(
auth_events
)
hashes = [
{
k: encode_base64(v) for k, v in h.items()
if k == "sha256"
}
for h in hashes
]
event.auth_events = zip(auth_events, hashes)
@log_function
def _can_send_event(self, event):
send_level = yield self.store.get_send_event_level(event.room_id)
key = (RoomPowerLevelsEvent.TYPE, "", )
send_level_event = event.old_state_events.get(key)
send_level = None
if send_level_event:
send_level = send_level_event.content.get("events", {}).get(
event.type
)
if not send_level:
if hasattr(event, "state_key"):
send_level = send_level_event.content.get(
"state_default", 50
)
else:
send_level = send_level_event.content.get(
"events_default", 0
)
if send_level:
send_level = int(send_level)
else:
send_level = 0
user_level = yield self.store.get_power_level(
event.room_id,
user_level = self._get_power_level_from_event_state(
event,
event.user_id,
)
@ -294,84 +441,42 @@ class Auth(object):
if user_level < send_level:
raise AuthError(
403, "You don't have permission to post to the room"
403,
"You don't have permission to post that to the room. " +
"user_level (%d) < send_level (%d)" % (user_level, send_level)
)
defer.returnValue(True)
# Check state_key
if hasattr(event, "state_key"):
if not event.state_key.startswith("_"):
if event.state_key.startswith("@"):
if event.state_key != event.user_id:
raise AuthError(
403,
"You are not allowed to set others state"
)
else:
sender_domain = self.hs.parse_userid(
event.user_id
).domain
@defer.inlineCallbacks
def _can_add_state(self, event):
add_level = yield self.store.get_add_state_level(event.room_id)
if sender_domain != event.state_key:
raise AuthError(
403,
"You are not allowed to set others state"
)
if not add_level:
defer.returnValue(True)
return True
add_level = int(add_level)
user_level = yield self.store.get_power_level(
event.room_id,
event.user_id,
)
user_level = int(user_level)
if user_level < add_level:
raise AuthError(
403, "You don't have permission to add state to the room"
)
defer.returnValue(True)
@defer.inlineCallbacks
def _can_replace_state(self, event):
current_state = yield self.store.get_current_state(
event.room_id,
event.type,
event.state_key,
)
if current_state:
current_state = current_state[0]
user_level = yield self.store.get_power_level(
event.room_id,
event.user_id,
)
if user_level:
user_level = int(user_level)
else:
user_level = 0
logger.debug(
"Checking power level for %s, %s", event.user_id, user_level
)
if current_state and hasattr(current_state, "required_power_level"):
req = current_state.required_power_level
logger.debug("Checked power level for %s, %s", event.user_id, req)
if user_level < req:
raise AuthError(
403,
"You don't have permission to change that state"
)
@defer.inlineCallbacks
def _check_redaction(self, event):
user_level = yield self.store.get_power_level(
event.room_id,
user_level = self._get_power_level_from_event_state(
event,
event.user_id,
)
if user_level:
user_level = int(user_level)
else:
user_level = 0
_, _, redact_level = yield self.store.get_ops_levels(event.room_id)
if not redact_level:
redact_level = 50
_, _, redact_level = self._get_ops_level_from_event_state(
event
)
if user_level < redact_level:
raise AuthError(
@ -379,16 +484,10 @@ class Auth(object):
"You don't have permission to redact events"
)
@defer.inlineCallbacks
def _check_power_levels(self, event):
for k, v in event.content.items():
if k == "default":
continue
# FIXME (erikj): We don't want hsob_Ts in content.
if k == "hsob_ts":
continue
user_list = event.content.get("users", {})
# Validate users
for k, v in user_list.items():
try:
self.hs.parse_userid(k)
except:
@ -399,80 +498,68 @@ class Auth(object):
except:
raise SynapseError(400, "Not a valid power level: %s" % (v,))
current_state = yield self.store.get_current_state(
event.room_id,
event.type,
event.state_key,
)
key = (event.type, event.state_key, )
current_state = event.old_state_events.get(key)
if not current_state:
return
else:
current_state = current_state[0]
user_level = yield self.store.get_power_level(
event.room_id,
user_level = self._get_power_level_from_event_state(
event,
event.user_id,
)
if user_level:
user_level = int(user_level)
else:
user_level = 0
# Check other levels:
levels_to_check = [
("users_default", []),
("events_default", []),
("ban", []),
("redact", []),
("kick", []),
]
old_list = current_state.content
old_list = current_state.content.get("users")
for user in set(old_list.keys() + user_list.keys()):
levels_to_check.append(
(user, ["users"])
)
# FIXME (erikj)
old_people = {k: v for k, v in old_list.items() if k.startswith("@")}
new_people = {
k: v for k, v in event.content.items()
if k.startswith("@")
}
old_list = current_state.content.get("events")
new_list = event.content.get("events")
for ev_id in set(old_list.keys() + new_list.keys()):
levels_to_check.append(
(ev_id, ["events"])
)
removed = set(old_people.keys()) - set(new_people.keys())
added = set(new_people.keys()) - set(old_people.keys())
same = set(old_people.keys()) & set(new_people.keys())
old_state = current_state.content
new_state = event.content
for r in removed:
if int(old_list[r]) > user_level:
raise AuthError(
403,
"You don't have permission to remove user: %s" % (r, )
)
for level_to_check, dir in levels_to_check:
old_loc = old_state
for d in dir:
old_loc = old_loc.get(d, {})
for n in added:
if int(event.content[n]) > user_level:
new_loc = new_state
for d in dir:
new_loc = new_loc.get(d, {})
if level_to_check in old_loc:
old_level = int(old_loc[level_to_check])
else:
old_level = None
if level_to_check in new_loc:
new_level = int(new_loc[level_to_check])
else:
new_level = None
if new_level is not None and old_level is not None:
if new_level == old_level:
continue
if old_level > user_level or new_level > user_level:
raise AuthError(
403,
"You don't have permission to add ops level greater "
"than your own"
)
for s in same:
if int(event.content[s]) != int(old_list[s]):
if int(event.content[s]) > user_level:
raise AuthError(
403,
"You don't have permission to add ops level greater "
"than your own"
)
if "default" in old_list:
old_default = int(old_list["default"])
if old_default > user_level:
raise AuthError(
403,
"You don't have permission to add ops level greater than "
"your own"
)
if "default" in event.content:
new_default = int(event.content["default"])
if new_default > user_level:
raise AuthError(
403,
"You don't have permission to add ops level greater "
"than your own"
)

View File

@ -158,3 +158,37 @@ def cs_error(msg, code=Codes.UNKNOWN, **kwargs):
for key, value in kwargs.iteritems():
err[key] = value
return err
class FederationError(RuntimeError):
""" This class is used to inform remote home servers about erroneous
PDUs they sent us.
FATAL: The remote server could not interpret the source event.
(e.g., it was missing a required field)
ERROR: The remote server interpreted the event, but it failed some other
check (e.g. auth)
WARN: The remote server accepted the event, but believes some part of it
is wrong (e.g., it referred to an invalid event)
"""
def __init__(self, level, code, reason, affected, source=None):
if level not in ["FATAL", "ERROR", "WARN"]:
raise ValueError("Level is not valid: %s" % (level,))
self.level = level
self.code = code
self.reason = reason
self.affected = affected
self.source = source
msg = "%s %s: %s" % (level, code, reason,)
super(FederationError, self).__init__(msg)
def get_dict(self):
return {
"level": self.level,
"code": self.code,
"reason": self.reason,
"affected": self.affected,
"source": self.source if self.source else self.affected,
}

View File

@ -13,7 +13,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.api.errors import SynapseError, Codes
from synapse.util.jsonobject import JsonEncodedObject
@ -56,22 +55,26 @@ class SynapseEvent(JsonEncodedObject):
"user_id", # sender/initiator
"content", # HTTP body, JSON
"state_key",
"required_power_level",
"age_ts",
"prev_content",
"prev_state",
"replaces_state",
"redacted_because",
"origin_server_ts",
]
internal_keys = [
"is_state",
"prev_events",
"depth",
"destinations",
"origin",
"outlier",
"power_level",
"redacted",
"prev_events",
"hashes",
"signatures",
"prev_state",
"auth_events",
"state_hash",
]
required_keys = [
@ -82,8 +85,8 @@ class SynapseEvent(JsonEncodedObject):
def __init__(self, raises=True, **kwargs):
super(SynapseEvent, self).__init__(**kwargs)
if "content" in kwargs:
self.check_json(self.content, raises=raises)
# if "content" in kwargs:
# self.check_json(self.content, raises=raises)
def get_content_template(self):
""" Retrieve the JSON template for this event as a dict.
@ -114,65 +117,24 @@ class SynapseEvent(JsonEncodedObject):
"""
raise NotImplementedError("get_content_template not implemented.")
def check_json(self, content, raises=True):
"""Checks the given JSON content abides by the rules of the template.
Args:
content : A JSON object to check.
raises: True to raise a SynapseError if the check fails.
Returns:
True if the content passes the template. Returns False if the check
fails and raises=False.
Raises:
SynapseError if the check fails and raises=True.
"""
# recursively call to inspect each layer
err_msg = self._check_json(content, self.get_content_template())
if err_msg:
if raises:
raise SynapseError(400, err_msg, Codes.BAD_JSON)
else:
return False
else:
return True
def _check_json(self, content, template):
"""Check content and template matches.
If the template is a dict, each key in the dict will be validated with
the content, else it will just compare the types of content and
template. This basic type check is required because this function will
be recursively called and could be called with just strs or ints.
Args:
content: The content to validate.
template: The validation template.
Returns:
str: An error message if the validation fails, else None.
"""
if type(content) != type(template):
return "Mismatched types: %s" % template
if type(template) == dict:
for key in template:
if key not in content:
return "Missing %s key" % key
if type(content[key]) != type(template[key]):
return "Key %s is of the wrong type (got %s, want %s)" % (
key, type(content[key]), type(template[key]))
if type(content[key]) == dict:
# we must go deeper
msg = self._check_json(content[key], template[key])
if msg:
return msg
elif type(content[key]) == list:
# make sure each item type in content matches the template
for entry in content[key]:
msg = self._check_json(entry, template[key][0])
if msg:
return msg
def get_pdu_json(self, time_now=None):
pdu_json = self.get_full_dict()
pdu_json.pop("destinations", None)
pdu_json.pop("outlier", None)
pdu_json.pop("replaces_state", None)
pdu_json.pop("redacted", None)
state_hash = pdu_json.pop("state_hash", None)
if state_hash is not None:
pdu_json.setdefault("unsigned", {})["state_hash"] = state_hash
content = pdu_json.get("content", {})
content.pop("prev", None)
if time_now is not None and "age_ts" in pdu_json:
age = time_now - pdu_json["age_ts"]
pdu_json.setdefault("unsigned", {})["age"] = int(age)
del pdu_json["age_ts"]
user_id = pdu_json.pop("user_id")
pdu_json["sender"] = user_id
return pdu_json
class SynapseStateEvent(SynapseEvent):

View File

@ -16,11 +16,13 @@
from synapse.api.events.room import (
RoomTopicEvent, MessageEvent, RoomMemberEvent, FeedbackEvent,
InviteJoinEvent, RoomConfigEvent, RoomNameEvent, GenericEvent,
RoomPowerLevelsEvent, RoomJoinRulesEvent, RoomOpsPowerLevelsEvent,
RoomCreateEvent, RoomAddStateLevelEvent, RoomSendEventLevelEvent,
RoomPowerLevelsEvent, RoomJoinRulesEvent,
RoomCreateEvent,
RoomRedactionEvent,
)
from synapse.types import EventID
from synapse.util.stringutils import random_string
@ -37,9 +39,6 @@ class EventFactory(object):
RoomPowerLevelsEvent,
RoomJoinRulesEvent,
RoomCreateEvent,
RoomAddStateLevelEvent,
RoomSendEventLevelEvent,
RoomOpsPowerLevelsEvent,
RoomRedactionEvent,
]
@ -51,12 +50,26 @@ class EventFactory(object):
self.clock = hs.get_clock()
self.hs = hs
self.event_id_count = 0
def create_event_id(self):
i = str(self.event_id_count)
self.event_id_count += 1
local_part = str(int(self.clock.time())) + i + random_string(5)
e_id = EventID.create_local(local_part, self.hs)
return e_id.to_string()
def create_event(self, etype=None, **kwargs):
kwargs["type"] = etype
if "event_id" not in kwargs:
kwargs["event_id"] = "%s@%s" % (
random_string(10), self.hs.hostname
)
kwargs["event_id"] = self.create_event_id()
kwargs["origin"] = self.hs.hostname
else:
ev_id = self.hs.parse_eventid(kwargs["event_id"])
kwargs["origin"] = ev_id.domain
if "origin_server_ts" not in kwargs:
kwargs["origin_server_ts"] = int(self.clock.time_msec())

View File

@ -154,27 +154,6 @@ class RoomPowerLevelsEvent(SynapseStateEvent):
return {}
class RoomAddStateLevelEvent(SynapseStateEvent):
TYPE = "m.room.add_state_level"
def get_content_template(self):
return {}
class RoomSendEventLevelEvent(SynapseStateEvent):
TYPE = "m.room.send_event_level"
def get_content_template(self):
return {}
class RoomOpsPowerLevelsEvent(SynapseStateEvent):
TYPE = "m.room.ops_levels"
def get_content_template(self):
return {}
class RoomAliasesEvent(SynapseStateEvent):
TYPE = "m.room.aliases"

View File

@ -15,21 +15,36 @@
from .room import (
RoomMemberEvent, RoomJoinRulesEvent, RoomPowerLevelsEvent,
RoomAddStateLevelEvent, RoomSendEventLevelEvent, RoomOpsPowerLevelsEvent,
RoomAliasesEvent, RoomCreateEvent,
)
def prune_event(event):
""" Prunes the given event of all keys we don't know about or think could
potentially be dodgy.
""" Returns a pruned version of the given event, which removes all keys we
don't know about or think could potentially be dodgy.
This is used when we "redact" an event. We want to remove all fields that
the user has specified, but we do want to keep necessary information like
type, state_key etc.
"""
event_type = event.type
# Remove all extraneous fields.
event.unrecognized_keys = {}
allowed_keys = [
"event_id",
"user_id",
"room_id",
"hashes",
"signatures",
"content",
"type",
"state_key",
"depth",
"prev_events",
"prev_state",
"auth_events",
"origin",
"origin_server_ts",
]
new_content = {}
@ -38,27 +53,33 @@ def prune_event(event):
if field in event.content:
new_content[field] = event.content[field]
if event.type == RoomMemberEvent.TYPE:
if event_type == RoomMemberEvent.TYPE:
add_fields("membership")
elif event.type == RoomCreateEvent.TYPE:
elif event_type == RoomCreateEvent.TYPE:
add_fields("creator")
elif event.type == RoomJoinRulesEvent.TYPE:
elif event_type == RoomJoinRulesEvent.TYPE:
add_fields("join_rule")
elif event.type == RoomPowerLevelsEvent.TYPE:
# TODO: Actually check these are valid user_ids etc.
add_fields("default")
for k, v in event.content.items():
if k.startswith("@") and isinstance(v, (int, long)):
new_content[k] = v
elif event.type == RoomAddStateLevelEvent.TYPE:
add_fields("level")
elif event.type == RoomSendEventLevelEvent.TYPE:
add_fields("level")
elif event.type == RoomOpsPowerLevelsEvent.TYPE:
add_fields("kick_level", "ban_level", "redact_level")
elif event.type == RoomAliasesEvent.TYPE:
elif event_type == RoomPowerLevelsEvent.TYPE:
add_fields(
"users",
"users_default",
"events",
"events_default",
"events_default",
"state_default",
"ban",
"kick",
"redact",
)
elif event_type == RoomAliasesEvent.TYPE:
add_fields("aliases")
event.content = new_content
allowed_fields = {
k: v
for k, v in event.get_full_dict().items()
if k in allowed_keys
}
return event
allowed_fields["content"] = new_content
return type(event)(**allowed_fields)

View File

@ -0,0 +1,87 @@
# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.api.errors import SynapseError, Codes
class EventValidator(object):
def __init__(self, hs):
pass
def validate(self, event):
"""Checks the given JSON content abides by the rules of the template.
Args:
content : A JSON object to check.
raises: True to raise a SynapseError if the check fails.
Returns:
True if the content passes the template. Returns False if the check
fails and raises=False.
Raises:
SynapseError if the check fails and raises=True.
"""
# recursively call to inspect each layer
err_msg = self._check_json_template(
event.content,
event.get_content_template()
)
if err_msg:
raise SynapseError(400, err_msg, Codes.BAD_JSON)
else:
return True
def _check_json_template(self, content, template):
"""Check content and template matches.
If the template is a dict, each key in the dict will be validated with
the content, else it will just compare the types of content and
template. This basic type check is required because this function will
be recursively called and could be called with just strs or ints.
Args:
content: The content to validate.
template: The validation template.
Returns:
str: An error message if the validation fails, else None.
"""
if type(content) != type(template):
return "Mismatched types: %s" % template
if type(template) == dict:
for key in template:
if key not in content:
return "Missing %s key" % key
if type(content[key]) != type(template[key]):
return "Key %s is of the wrong type (got %s, want %s)" % (
key, type(content[key]), type(template[key]))
if type(content[key]) == dict:
# we must go deeper
msg = self._check_json_template(
content[key],
template[key]
)
if msg:
return msg
elif type(content[key]) == list:
# make sure each item type in content matches the template
for entry in content[key]:
msg = self._check_json_template(
entry,
template[key][0]
)
if msg:
return msg

View File

@ -33,6 +33,7 @@ from synapse.api.urls import (
)
from synapse.config.homeserver import HomeServerConfig
from synapse.crypto import context_factory
from synapse.util.logcontext import LoggingContext
from daemonize import Daemonize
import twisted.manhole.telnet
@ -42,6 +43,7 @@ import os
import re
import sys
import sqlite3
import syweb
logger = logging.getLogger(__name__)
@ -58,7 +60,9 @@ class SynapseHomeServer(HomeServer):
return JsonResource()
def build_resource_for_web_client(self):
return File("webclient") # TODO configurable?
syweb_path = os.path.dirname(syweb.__file__)
webclient_path = os.path.join(syweb_path, "webclient")
return File(webclient_path) # TODO configurable?
def build_resource_for_content_repo(self):
return ContentRepoResource(
@ -233,14 +237,17 @@ def setup():
f.namespace['hs'] = hs
reactor.listenTCP(config.manhole, f, interface='127.0.0.1')
hs.start_listening(config.bind_port, config.unsecure_port)
bind_port = config.bind_port
if config.no_tls:
bind_port = None
hs.start_listening(bind_port, config.unsecure_port)
if config.daemonize:
print config.pid_file
daemon = Daemonize(
app="synapse-homeserver",
pid=config.pid_file,
action=reactor.run,
action=run,
auto_close_fds=False,
verbose=True,
logger=logger,
@ -250,6 +257,13 @@ def setup():
else:
reactor.run()
def run():
with LoggingContext("run"):
reactor.run()
def main():
with LoggingContext("main"):
setup()
if __name__ == '__main__':
setup()
main()

66
synapse/app/synctl.py Executable file
View File

@ -0,0 +1,66 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import os
import subprocess
import signal
SYNAPSE = ["python", "-m", "synapse.app.homeserver"]
CONFIGFILE="homeserver.yaml"
PIDFILE="homeserver.pid"
GREEN="\x1b[1;32m"
NORMAL="\x1b[m"
def start():
if not os.path.exists(CONFIGFILE):
sys.stderr.write(
"No config file found\n"
"To generate a config file, run '%s -c %s --generate-config"
" --server-name=<server name>'\n" % (
" ".join(SYNAPSE), CONFIGFILE
)
)
sys.exit(1)
print "Starting ...",
args = SYNAPSE
args.extend(["--daemonize", "-c", CONFIGFILE, "--pid-file", PIDFILE])
subprocess.check_call(args)
print GREEN + "started" + NORMAL
def stop():
if os.path.exists(PIDFILE):
pid = int(open(PIDFILE).read())
os.kill(pid, signal.SIGTERM)
print GREEN + "stopped" + NORMAL
def main():
action = sys.argv[1] if sys.argv[1:] else "usage"
if action == "start":
start()
elif action == "stop":
stop()
elif action == "restart":
stop()
start()
else:
sys.stderr.write("Usage: %s [start|stop|restart]\n" % (sys.argv[0],))
sys.exit(1)
if __name__=='__main__':
main()

View File

@ -36,7 +36,10 @@ class Config(object):
if file_path is None:
raise ConfigError(
"Missing config for %s."
" Try running again with --generate-config"
" You must specify a path for the config file. You can "
"do this with the -c or --config-path option. "
"Adding --generate-config along with --server-name "
"<server name> will generate a config file at the given path."
% (config_name,)
)
if not os.path.exists(file_path):

View File

@ -14,7 +14,7 @@
# limitations under the License.
from ._base import Config
from synapse.util.logcontext import LoggingContextFilter
from twisted.python.log import PythonLoggingObserver
import logging
import logging.config
@ -46,7 +46,8 @@ class LoggingConfig(Config):
def setup_logging(self):
log_format = (
'%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(message)s'
"%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s"
" - %(message)s"
)
if self.log_config is None:
@ -54,13 +55,20 @@ class LoggingConfig(Config):
if self.verbosity:
level = logging.DEBUG
# FIXME: we need a logging.WARN for a -q quiet option
# FIXME: we need a logging.WARN for a -q quiet option
logger = logging.getLogger('')
logger.setLevel(level)
formatter = logging.Formatter(log_format)
if self.log_file:
handler = logging.FileHandler(self.log_file)
else:
handler = logging.StreamHandler()
handler.setFormatter(formatter)
logging.basicConfig(
level=level,
filename=self.log_file,
format=log_format
)
handler.addFilter(LoggingContextFilter(request=""))
logger.addHandler(handler)
logger.info("Test")
else:
logging.config.fileConfig(self.log_config)

View File

@ -30,6 +30,7 @@ class ServerConfig(Config):
self.pid_file = self.abspath(args.pid_file)
self.webclient = True
self.manhole = args.manhole
self.no_tls = args.no_tls
if not args.content_addr:
host = args.server_name
@ -67,6 +68,8 @@ class ServerConfig(Config):
server_group.add_argument("--content-addr", default=None,
help="The host and scheme to use for the "
"content repository")
server_group.add_argument("--no-tls", action='store_true',
help="Don't bind to the https port.")
def read_signing_key(self, signing_key_path):
signing_keys = self.read_file(signing_key_path, "signing_key")

View File

@ -0,0 +1,108 @@
# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.api.events.utils import prune_event
from syutil.jsonutil import encode_canonical_json
from syutil.base64util import encode_base64, decode_base64
from syutil.crypto.jsonsign import sign_json
from synapse.api.errors import SynapseError, Codes
import hashlib
import logging
logger = logging.getLogger(__name__)
def check_event_content_hash(event, hash_algorithm=hashlib.sha256):
"""Check whether the hash for this PDU matches the contents"""
computed_hash = _compute_content_hash(event, hash_algorithm)
logging.debug("Expecting hash: %s", encode_base64(computed_hash.digest()))
if computed_hash.name not in event.hashes:
raise SynapseError(
400,
"Algorithm %s not in hashes %s" % (
computed_hash.name, list(event.hashes),
),
Codes.UNAUTHORIZED,
)
message_hash_base64 = event.hashes[computed_hash.name]
try:
message_hash_bytes = decode_base64(message_hash_base64)
except:
raise SynapseError(
400,
"Invalid base64: %s" % (message_hash_base64,),
Codes.UNAUTHORIZED,
)
return message_hash_bytes == computed_hash.digest()
def _compute_content_hash(event, hash_algorithm):
event_json = event.get_pdu_json()
event_json.pop("age_ts", None)
event_json.pop("unsigned", None)
event_json.pop("signatures", None)
event_json.pop("hashes", None)
event_json.pop("outlier", None)
event_json.pop("destinations", None)
event_json_bytes = encode_canonical_json(event_json)
return hash_algorithm(event_json_bytes)
def compute_event_reference_hash(event, hash_algorithm=hashlib.sha256):
tmp_event = prune_event(event)
event_json = tmp_event.get_pdu_json()
event_json.pop("signatures", None)
event_json.pop("age_ts", None)
event_json.pop("unsigned", None)
event_json_bytes = encode_canonical_json(event_json)
hashed = hash_algorithm(event_json_bytes)
return (hashed.name, hashed.digest())
def compute_event_signature(event, signature_name, signing_key):
tmp_event = prune_event(event)
redact_json = tmp_event.get_pdu_json()
redact_json.pop("age_ts", None)
redact_json.pop("unsigned", None)
logger.debug("Signing event: %s", redact_json)
redact_json = sign_json(redact_json, signature_name, signing_key)
return redact_json["signatures"]
def add_hashes_and_signatures(event, signature_name, signing_key,
hash_algorithm=hashlib.sha256):
if hasattr(event, "old_state_events"):
state_json_bytes = encode_canonical_json(
[e.event_id for e in event.old_state_events.values()]
)
hashed = hash_algorithm(state_json_bytes)
event.state_hash = {
hashed.name: encode_base64(hashed.digest())
}
hashed = _compute_content_hash(event, hash_algorithm=hash_algorithm)
if not hasattr(event, "hashes"):
event.hashes = {}
event.hashes[hashed.name] = encode_base64(hashed.digest())
event.signatures = compute_event_signature(
event,
signature_name=signature_name,
signing_key=signing_key,
)

View File

@ -18,6 +18,7 @@ from twisted.web.http import HTTPClient
from twisted.internet.protocol import Factory
from twisted.internet import defer, reactor
from synapse.http.endpoint import matrix_endpoint
from synapse.util.logcontext import PreserveLoggingContext
import json
import logging
@ -36,10 +37,11 @@ def fetch_server_key(server_name, ssl_context_factory):
for i in range(5):
try:
protocol = yield endpoint.connect(factory)
server_response, server_certificate = yield protocol.remote_key
defer.returnValue((server_response, server_certificate))
return
with PreserveLoggingContext():
protocol = yield endpoint.connect(factory)
server_response, server_certificate = yield protocol.remote_key
defer.returnValue((server_response, server_certificate))
return
except Exception as e:
logger.exception(e)
raise IOError("Cannot get key for %s" % server_name)

View File

@ -1,102 +0,0 @@
# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from .units import Pdu
import copy
def decode_event_id(event_id, server_name):
parts = event_id.split("@")
if len(parts) < 2:
return (event_id, server_name)
else:
return (parts[0], "".join(parts[1:]))
def encode_event_id(pdu_id, origin):
return "%s@%s" % (pdu_id, origin)
class PduCodec(object):
def __init__(self, hs):
self.server_name = hs.hostname
self.event_factory = hs.get_event_factory()
self.clock = hs.get_clock()
def event_from_pdu(self, pdu):
kwargs = {}
kwargs["event_id"] = encode_event_id(pdu.pdu_id, pdu.origin)
kwargs["room_id"] = pdu.context
kwargs["etype"] = pdu.pdu_type
kwargs["prev_events"] = [
encode_event_id(p[0], p[1]) for p in pdu.prev_pdus
]
if hasattr(pdu, "prev_state_id") and hasattr(pdu, "prev_state_origin"):
kwargs["prev_state"] = encode_event_id(
pdu.prev_state_id, pdu.prev_state_origin
)
kwargs.update({
k: v
for k, v in pdu.get_full_dict().items()
if k not in [
"pdu_id",
"context",
"pdu_type",
"prev_pdus",
"prev_state_id",
"prev_state_origin",
]
})
return self.event_factory.create_event(**kwargs)
def pdu_from_event(self, event):
d = event.get_full_dict()
d["pdu_id"], d["origin"] = decode_event_id(
event.event_id, self.server_name
)
d["context"] = event.room_id
d["pdu_type"] = event.type
if hasattr(event, "prev_events"):
d["prev_pdus"] = [
decode_event_id(e, self.server_name)
for e in event.prev_events
]
if hasattr(event, "prev_state"):
d["prev_state_id"], d["prev_state_origin"] = (
decode_event_id(event.prev_state, self.server_name)
)
if hasattr(event, "state_key"):
d["is_state"] = True
kwargs = copy.deepcopy(event.unrecognized_keys)
kwargs.update({
k: v for k, v in d.items()
if k not in ["event_id", "room_id", "type", "prev_events"]
})
if "origin_server_ts" not in kwargs:
kwargs["origin_server_ts"] = int(self.clock.time_msec())
return Pdu(**kwargs)

View File

@ -21,8 +21,6 @@ These actions are mostly only used by the :py:mod:`.replication` module.
from twisted.internet import defer
from .units import Pdu
from synapse.util.logutils import log_function
import json
@ -32,76 +30,6 @@ import logging
logger = logging.getLogger(__name__)
class PduActions(object):
""" Defines persistence actions that relate to handling PDUs.
"""
def __init__(self, datastore):
self.store = datastore
@log_function
def mark_as_processed(self, pdu):
""" Persist the fact that we have fully processed the given `Pdu`
Returns:
Deferred
"""
return self.store.mark_pdu_as_processed(pdu.pdu_id, pdu.origin)
@defer.inlineCallbacks
@log_function
def after_transaction(self, transaction_id, destination, origin):
""" Returns all `Pdu`s that we sent to the given remote home server
after a given transaction id.
Returns:
Deferred: Results in a list of `Pdu`s
"""
results = yield self.store.get_pdus_after_transaction(
transaction_id,
destination
)
defer.returnValue([Pdu.from_pdu_tuple(p) for p in results])
@defer.inlineCallbacks
@log_function
def get_all_pdus_from_context(self, context):
results = yield self.store.get_all_pdus_from_context(context)
defer.returnValue([Pdu.from_pdu_tuple(p) for p in results])
@defer.inlineCallbacks
@log_function
def backfill(self, context, pdu_list, limit):
""" For a given list of PDU id and origins return the proceeding
`limit` `Pdu`s in the given `context`.
Returns:
Deferred: Results in a list of `Pdu`s.
"""
results = yield self.store.get_backfill(
context, pdu_list, limit
)
defer.returnValue([Pdu.from_pdu_tuple(p) for p in results])
@log_function
def is_new(self, pdu):
""" When we receive a `Pdu` from a remote home server, we want to
figure out whether it is `new`, i.e. it is not some historic PDU that
we haven't seen simply because we haven't backfilled back that far.
Returns:
Deferred: Results in a `bool`
"""
return self.store.is_pdu_new(
pdu_id=pdu.pdu_id,
origin=pdu.origin,
context=pdu.context,
depth=pdu.depth
)
class TransactionActions(object):
""" Defines persistence actions that relate to handling Transactions.
"""
@ -158,7 +86,6 @@ class TransactionActions(object):
transaction.transaction_id,
transaction.destination,
transaction.origin_server_ts,
[(p["pdu_id"], p["origin"]) for p in transaction.pdus]
)
@log_function

View File

@ -19,9 +19,9 @@ a given transport.
from twisted.internet import defer
from .units import Transaction, Pdu, Edu
from .units import Transaction, Edu
from .persistence import PduActions, TransactionActions
from .persistence import TransactionActions
from synapse.util.logutils import log_function
@ -57,7 +57,7 @@ class ReplicationLayer(object):
self.transport_layer.register_request_handler(self)
self.store = hs.get_datastore()
self.pdu_actions = PduActions(self.store)
# self.pdu_actions = PduActions(self.store)
self.transaction_actions = TransactionActions(self.store)
self._transaction_queue = _TransactionQueue(
@ -72,6 +72,8 @@ class ReplicationLayer(object):
self._clock = hs.get_clock()
self.event_factory = hs.get_event_factory()
def set_handler(self, handler):
"""Sets the handler that the replication layer will use to communicate
receipt of new PDUs from other home servers. The required methods are
@ -81,7 +83,7 @@ class ReplicationLayer(object):
def register_edu_handler(self, edu_type, handler):
if edu_type in self.edu_handlers:
raise KeyError("Already have an EDU handler for %s" % (edu_type))
raise KeyError("Already have an EDU handler for %s" % (edu_type,))
self.edu_handlers[edu_type] = handler
@ -102,24 +104,17 @@ class ReplicationLayer(object):
object to encode as JSON.
"""
if query_type in self.query_handlers:
raise KeyError("Already have a Query handler for %s" % (query_type))
raise KeyError(
"Already have a Query handler for %s" % (query_type,)
)
self.query_handlers[query_type] = handler
@defer.inlineCallbacks
@log_function
def send_pdu(self, pdu):
"""Informs the replication layer about a new PDU generated within the
home server that should be transmitted to others.
This will fill out various attributes on the PDU object, e.g. the
`prev_pdus` key.
*Note:* The home server should always call `send_pdu` even if it knows
that it does not need to be replicated to other home servers. This is
in case e.g. someone else joins via a remote home server and then
backfills.
TODO: Figure out when we should actually resolve the deferred.
Args:
@ -132,18 +127,15 @@ class ReplicationLayer(object):
order = self._order
self._order += 1
logger.debug("[%s] Persisting PDU", pdu.pdu_id)
# Save *before* trying to send
yield self.store.persist_event(pdu=pdu)
logger.debug("[%s] Persisted PDU", pdu.pdu_id)
logger.debug("[%s] transaction_layer.enqueue_pdu... ", pdu.pdu_id)
logger.debug("[%s] transaction_layer.enqueue_pdu... ", pdu.event_id)
# TODO, add errback, etc.
self._transaction_queue.enqueue_pdu(pdu, order)
logger.debug("[%s] transaction_layer.enqueue_pdu... done", pdu.pdu_id)
logger.debug(
"[%s] transaction_layer.enqueue_pdu... done",
pdu.event_id
)
@log_function
def send_edu(self, destination, edu_type, content):
@ -158,6 +150,11 @@ class ReplicationLayer(object):
self._transaction_queue.enqueue_edu(edu)
return defer.succeed(None)
@log_function
def send_failure(self, failure, destination):
self._transaction_queue.enqueue_failure(failure, destination)
return defer.succeed(None)
@log_function
def make_query(self, destination, query_type, args,
retry_on_dns_fail=True):
@ -181,7 +178,7 @@ class ReplicationLayer(object):
@defer.inlineCallbacks
@log_function
def backfill(self, dest, context, limit):
def backfill(self, dest, context, limit, extremities):
"""Requests some more historic PDUs for the given context from the
given destination server.
@ -189,12 +186,12 @@ class ReplicationLayer(object):
dest (str): The remote home server to ask.
context (str): The context to backfill.
limit (int): The maximum number of PDUs to return.
extremities (list): List of PDU id and origins of the first pdus
we have seen from the context
Returns:
Deferred: Results in the received PDUs.
"""
extremities = yield self.store.get_oldest_pdus_in_context(context)
logger.debug("backfill extrem=%s", extremities)
# If there are no extremeties then we've (probably) reached the start.
@ -208,15 +205,18 @@ class ReplicationLayer(object):
transaction = Transaction(**transaction_data)
pdus = [Pdu(outlier=False, **p) for p in transaction.pdus]
pdus = [
self.event_from_pdu_json(p, outlier=False)
for p in transaction.pdus
]
for pdu in pdus:
yield self._handle_new_pdu(pdu, backfilled=True)
yield self._handle_new_pdu(dest, pdu, backfilled=True)
defer.returnValue(pdus)
@defer.inlineCallbacks
@log_function
def get_pdu(self, destination, pdu_origin, pdu_id, outlier=False):
def get_pdu(self, destination, event_id, outlier=False):
"""Requests the PDU with given origin and ID from the remote home
server.
@ -225,7 +225,7 @@ class ReplicationLayer(object):
Args:
destination (str): Which home server to query
pdu_origin (str): The home server that originally sent the pdu.
pdu_id (str)
event_id (str)
outlier (bool): Indicates whether the PDU is an `outlier`, i.e. if
it's from an arbitary point in the context as opposed to part
of the current block of PDUs. Defaults to `False`
@ -234,23 +234,27 @@ class ReplicationLayer(object):
Deferred: Results in the requested PDU.
"""
transaction_data = yield self.transport_layer.get_pdu(
destination, pdu_origin, pdu_id)
transaction_data = yield self.transport_layer.get_event(
destination, event_id
)
transaction = Transaction(**transaction_data)
pdu_list = [Pdu(outlier=outlier, **p) for p in transaction.pdus]
pdu_list = [
self.event_from_pdu_json(p, outlier=outlier)
for p in transaction.pdus
]
pdu = None
if pdu_list:
pdu = pdu_list[0]
yield self._handle_new_pdu(pdu)
yield self._handle_new_pdu(destination, pdu)
defer.returnValue(pdu)
@defer.inlineCallbacks
@log_function
def get_state_for_context(self, destination, context):
def get_state_for_context(self, destination, context, event_id=None):
"""Requests all of the `current` state PDUs for a given context from
a remote home server.
@ -263,29 +267,25 @@ class ReplicationLayer(object):
"""
transaction_data = yield self.transport_layer.get_context_state(
destination, context)
destination,
context,
event_id=event_id,
)
transaction = Transaction(**transaction_data)
pdus = [Pdu(outlier=True, **p) for p in transaction.pdus]
for pdu in pdus:
yield self._handle_new_pdu(pdu)
pdus = [
self.event_from_pdu_json(p, outlier=True)
for p in transaction.pdus
]
defer.returnValue(pdus)
@defer.inlineCallbacks
@log_function
def on_context_pdus_request(self, context):
pdus = yield self.pdu_actions.get_all_pdus_from_context(
context
def on_backfill_request(self, origin, context, versions, limit):
pdus = yield self.handler.on_backfill_request(
origin, context, versions, limit
)
defer.returnValue((200, self._transaction_from_pdus(pdus).get_dict()))
@defer.inlineCallbacks
@log_function
def on_backfill_request(self, context, versions, limit):
pdus = yield self.pdu_actions.backfill(context, versions, limit)
defer.returnValue((200, self._transaction_from_pdus(pdus).get_dict()))
@ -295,11 +295,17 @@ class ReplicationLayer(object):
transaction = Transaction(**transaction_data)
for p in transaction.pdus:
if "unsigned" in p:
unsigned = p["unsigned"]
if "age" in unsigned:
p["age"] = unsigned["age"]
if "age" in p:
p["age_ts"] = int(self._clock.time_msec()) - int(p["age"])
del p["age"]
pdu_list = [Pdu(**p) for p in transaction.pdus]
pdu_list = [
self.event_from_pdu_json(p) for p in transaction.pdus
]
logger.debug("[%s] Got transaction", transaction.transaction_id)
@ -315,11 +321,15 @@ class ReplicationLayer(object):
dl = []
for pdu in pdu_list:
dl.append(self._handle_new_pdu(pdu))
dl.append(self._handle_new_pdu(transaction.origin, pdu))
if hasattr(transaction, "edus"):
for edu in [Edu(**x) for x in transaction.edus]:
self.received_edu(transaction.origin, edu.edu_type, edu.content)
self.received_edu(
transaction.origin,
edu.edu_type,
edu.content
)
results = yield defer.DeferredList(dl)
@ -347,20 +357,22 @@ class ReplicationLayer(object):
@defer.inlineCallbacks
@log_function
def on_context_state_request(self, context):
results = yield self.store.get_current_state_for_context(
context
)
def on_context_state_request(self, origin, context, event_id):
if event_id:
pdus = yield self.handler.get_state_for_pdu(
origin,
context,
event_id,
)
else:
raise NotImplementedError("Specify an event")
logger.debug("Context returning %d results", len(results))
pdus = [Pdu.from_pdu_tuple(p) for p in results]
defer.returnValue((200, self._transaction_from_pdus(pdus).get_dict()))
@defer.inlineCallbacks
@log_function
def on_pdu_request(self, pdu_origin, pdu_id):
pdu = yield self._get_persisted_pdu(pdu_id, pdu_origin)
def on_pdu_request(self, origin, event_id):
pdu = yield self._get_persisted_pdu(origin, event_id)
if pdu:
defer.returnValue(
@ -372,20 +384,7 @@ class ReplicationLayer(object):
@defer.inlineCallbacks
@log_function
def on_pull_request(self, origin, versions):
transaction_id = max([int(v) for v in versions])
response = yield self.pdu_actions.after_transaction(
transaction_id,
origin,
self.server_name
)
if not response:
response = []
defer.returnValue(
(200, self._transaction_from_pdus(response).get_dict())
)
raise NotImplementedError("Pull transacions not implemented")
@defer.inlineCallbacks
def on_query_request(self, query_type, args):
@ -393,95 +392,205 @@ class ReplicationLayer(object):
response = yield self.query_handlers[query_type](args)
defer.returnValue((200, response))
else:
defer.returnValue((404, "No handler for Query type '%s'"
% (query_type)
))
defer.returnValue(
(404, "No handler for Query type '%s'" % (query_type, ))
)
@defer.inlineCallbacks
def on_make_join_request(self, context, user_id):
pdu = yield self.handler.on_make_join_request(context, user_id)
time_now = self._clock.time_msec()
defer.returnValue({
"event": pdu.get_pdu_json(time_now),
})
@defer.inlineCallbacks
def on_invite_request(self, origin, content):
pdu = self.event_from_pdu_json(content)
ret_pdu = yield self.handler.on_invite_request(origin, pdu)
time_now = self._clock.time_msec()
defer.returnValue(
(
200,
{
"event": ret_pdu.get_pdu_json(time_now),
}
)
)
@defer.inlineCallbacks
def on_send_join_request(self, origin, content):
pdu = self.event_from_pdu_json(content)
res_pdus = yield self.handler.on_send_join_request(origin, pdu)
time_now = self._clock.time_msec()
defer.returnValue((200, {
"state": [p.get_pdu_json(time_now) for p in res_pdus["state"]],
"auth_chain": [p.get_pdu_json(time_now) for p in res_pdus["auth_chain"]],
}))
@defer.inlineCallbacks
def on_event_auth(self, origin, context, event_id):
time_now = self._clock.time_msec()
auth_pdus = yield self.handler.on_event_auth(event_id)
defer.returnValue(
(
200,
{
"auth_chain": [a.get_pdu_json(time_now) for a in auth_pdus],
}
)
)
@defer.inlineCallbacks
def make_join(self, destination, context, user_id):
ret = yield self.transport_layer.make_join(
destination=destination,
context=context,
user_id=user_id,
)
pdu_dict = ret["event"]
logger.debug("Got response to make_join: %s", pdu_dict)
defer.returnValue(self.event_from_pdu_json(pdu_dict))
@defer.inlineCallbacks
def send_join(self, destination, pdu):
time_now = self._clock.time_msec()
_, content = yield self.transport_layer.send_join(
destination,
pdu.room_id,
pdu.event_id,
pdu.get_pdu_json(time_now),
)
logger.debug("Got content: %s", content)
state = [
self.event_from_pdu_json(p, outlier=True)
for p in content.get("state", [])
]
# FIXME: We probably want to do something with the auth_chain given
# to us
# auth_chain = [
# Pdu(outlier=True, **p) for p in content.get("auth_chain", [])
# ]
defer.returnValue(state)
@defer.inlineCallbacks
def send_invite(self, destination, context, event_id, pdu):
time_now = self._clock.time_msec()
code, content = yield self.transport_layer.send_invite(
destination=destination,
context=context,
event_id=event_id,
content=pdu.get_pdu_json(time_now),
)
pdu_dict = content["event"]
logger.debug("Got response to send_invite: %s", pdu_dict)
defer.returnValue(self.event_from_pdu_json(pdu_dict))
@log_function
def _get_persisted_pdu(self, pdu_id, pdu_origin):
def _get_persisted_pdu(self, origin, event_id):
""" Get a PDU from the database with given origin and id.
Returns:
Deferred: Results in a `Pdu`.
"""
pdu_tuple = yield self.store.get_pdu(pdu_id, pdu_origin)
defer.returnValue(Pdu.from_pdu_tuple(pdu_tuple))
return self.handler.get_persisted_pdu(origin, event_id)
def _transaction_from_pdus(self, pdu_list):
"""Returns a new Transaction containing the given PDUs suitable for
transmission.
"""
pdus = [p.get_dict() for p in pdu_list]
for p in pdus:
if "age_ts" in pdus:
p["age"] = int(self.clock.time_msec()) - p["age_ts"]
time_now = self._clock.time_msec()
pdus = [p.get_pdu_json(time_now) for p in pdu_list]
return Transaction(
origin=self.server_name,
pdus=pdus,
origin_server_ts=int(self._clock.time_msec()),
origin_server_ts=int(time_now),
destination=None,
)
@defer.inlineCallbacks
@log_function
def _handle_new_pdu(self, pdu, backfilled=False):
def _handle_new_pdu(self, origin, pdu, backfilled=False):
# We reprocess pdus when we have seen them only as outliers
existing = yield self._get_persisted_pdu(pdu.pdu_id, pdu.origin)
existing = yield self._get_persisted_pdu(origin, pdu.event_id)
if existing and (not existing.outlier or pdu.outlier):
logger.debug("Already seen pdu %s %s", pdu.pdu_id, pdu.origin)
logger.debug("Already seen pdu %s", pdu.event_id)
defer.returnValue({})
return
state = None
# Get missing pdus if necessary.
is_new = yield self.pdu_actions.is_new(pdu)
if is_new and not pdu.outlier:
if not pdu.outlier:
# We only backfill backwards to the min depth.
min_depth = yield self.store.get_min_depth_for_context(pdu.context)
min_depth = yield self.handler.get_min_depth_for_context(
pdu.room_id
)
if min_depth and pdu.depth > min_depth:
for pdu_id, origin in pdu.prev_pdus:
exists = yield self._get_persisted_pdu(pdu_id, origin)
for event_id, hashes in pdu.prev_events:
exists = yield self._get_persisted_pdu(origin, event_id)
if not exists:
logger.debug("Requesting pdu %s %s", pdu_id, origin)
logger.debug("Requesting pdu %s", event_id)
try:
yield self.get_pdu(
pdu.origin,
pdu_id=pdu_id,
pdu_origin=origin
event_id=event_id,
)
logger.debug("Processed pdu %s %s", pdu_id, origin)
logger.debug("Processed pdu %s", event_id)
except:
# TODO(erikj): Do some more intelligent retries.
logger.exception("Failed to get PDU")
# Persist the Pdu, but don't mark it as processed yet.
yield self.store.persist_event(pdu=pdu)
else:
# We need to get the state at this event, since we have reached
# a backward extremity edge.
state = yield self.get_state_for_context(
origin, pdu.room_id, pdu.event_id,
)
if not backfilled:
ret = yield self.handler.on_receive_pdu(pdu, backfilled=backfilled)
ret = yield self.handler.on_receive_pdu(
pdu,
backfilled=backfilled,
state=state,
)
else:
ret = None
yield self.pdu_actions.mark_as_processed(pdu)
# yield self.pdu_actions.mark_as_processed(pdu)
defer.returnValue(ret)
def __str__(self):
return "<ReplicationLayer(%s)>" % self.server_name
class ReplicationHandler(object):
"""This defines the methods that the :py:class:`.ReplicationLayer` will
use to communicate with the rest of the home server.
"""
def on_receive_pdu(self, pdu):
raise NotImplementedError("on_receive_pdu")
def event_from_pdu_json(self, pdu_json, outlier=False):
#TODO: Check we have all the PDU keys here
pdu_json.setdefault("hashes", {})
pdu_json.setdefault("signatures", {})
sender = pdu_json.pop("sender", None)
if sender is not None:
pdu_json["user_id"] = sender
state_hash = pdu_json.get("unsigned", {}).pop("state_hash", None)
if state_hash is not None:
pdu_json["state_hash"] = state_hash
return self.event_factory.create_event(
pdu_json["type"], outlier=outlier, **pdu_json
)
class _TransactionQueue(object):
@ -509,6 +618,9 @@ class _TransactionQueue(object):
# destination -> list of tuple(edu, deferred)
self.pending_edus_by_dest = {}
# destination -> list of tuple(failure, deferred)
self.pending_failures_by_dest = {}
# HACK to get unique tx id
self._next_txn_id = int(self._clock.time_msec())
@ -561,6 +673,18 @@ class _TransactionQueue(object):
return deferred
@defer.inlineCallbacks
def enqueue_failure(self, failure, destination):
deferred = defer.Deferred()
self.pending_failures_by_dest.setdefault(
destination, []
).append(
(failure, deferred)
)
yield deferred
@defer.inlineCallbacks
@log_function
def _attempt_new_transaction(self, destination):
@ -570,8 +694,9 @@ class _TransactionQueue(object):
# list of (pending_pdu, deferred, order)
pending_pdus = self.pending_pdus_by_dest.pop(destination, [])
pending_edus = self.pending_edus_by_dest.pop(destination, [])
pending_failures = self.pending_failures_by_dest.pop(destination, [])
if not pending_pdus and not pending_edus:
if not pending_pdus and not pending_edus and not pending_failures:
return
logger.debug("TX [%s] Attempting new transaction", destination)
@ -581,7 +706,11 @@ class _TransactionQueue(object):
pdus = [x[0] for x in pending_pdus]
edus = [x[0] for x in pending_edus]
deferreds = [x[1] for x in pending_pdus + pending_edus]
failures = [x[0].get_dict() for x in pending_failures]
deferreds = [
x[1]
for x in pending_pdus + pending_edus + pending_failures
]
try:
self.pending_transactions[destination] = 1
@ -589,12 +718,13 @@ class _TransactionQueue(object):
logger.debug("TX [%s] Persisting transaction...", destination)
transaction = Transaction.create_new(
origin_server_ts=self._clock.time_msec(),
origin_server_ts=int(self._clock.time_msec()),
transaction_id=str(self._next_txn_id),
origin=self.server_name,
destination=destination,
pdus=pdus,
edus=edus,
pdu_failures=failures,
)
self._next_txn_id += 1
@ -614,7 +744,9 @@ class _TransactionQueue(object):
if "pdus" in data:
for p in data["pdus"]:
if "age_ts" in p:
p["age"] = now - int(p["age_ts"])
unsigned = p.setdefault("unsigned", {})
unsigned["age"] = now - int(p["age_ts"])
del p["age_ts"]
return data
code, response = yield self.transport_layer.send_transaction(

View File

@ -72,7 +72,7 @@ class TransportLayer(object):
self.received_handler = None
@log_function
def get_context_state(self, destination, context):
def get_context_state(self, destination, context, event_id=None):
""" Requests all state for a given context (i.e. room) from the
given server.
@ -89,54 +89,62 @@ class TransportLayer(object):
subpath = "/state/%s/" % context
return self._do_request_for_transaction(destination, subpath)
args = {}
if event_id:
args["event_id"] = event_id
return self._do_request_for_transaction(
destination, subpath, args=args
)
@log_function
def get_pdu(self, destination, pdu_origin, pdu_id):
def get_event(self, destination, event_id):
""" Requests the pdu with give id and origin from the given server.
Args:
destination (str): The host name of the remote home server we want
to get the state from.
pdu_origin (str): The home server which created the PDU.
pdu_id (str): The id of the PDU being requested.
event_id (str): The id of the event being requested.
Returns:
Deferred: Results in a dict received from the remote homeserver.
"""
logger.debug("get_pdu dest=%s, pdu_origin=%s, pdu_id=%s",
destination, pdu_origin, pdu_id)
logger.debug("get_pdu dest=%s, event_id=%s",
destination, event_id)
subpath = "/pdu/%s/%s/" % (pdu_origin, pdu_id)
subpath = "/event/%s/" % (event_id, )
return self._do_request_for_transaction(destination, subpath)
@log_function
def backfill(self, dest, context, pdu_tuples, limit):
def backfill(self, dest, context, event_tuples, limit):
""" Requests `limit` previous PDUs in a given context before list of
PDUs.
Args:
dest (str)
context (str)
pdu_tuples (list)
event_tuples (list)
limt (int)
Returns:
Deferred: Results in a dict received from the remote homeserver.
"""
logger.debug(
"backfill dest=%s, context=%s, pdu_tuples=%s, limit=%s",
dest, context, repr(pdu_tuples), str(limit)
"backfill dest=%s, context=%s, event_tuples=%s, limit=%s",
dest, context, repr(event_tuples), str(limit)
)
if not pdu_tuples:
if not event_tuples:
# TODO: raise?
return
subpath = "/backfill/%s/" % context
subpath = "/backfill/%s/" % (context,)
args = {"v": ["%s,%s" % (i, o) for i, o in pdu_tuples]}
args["limit"] = limit
args = {
"v": event_tuples,
"limit": [str(limit)],
}
return self._do_request_for_transaction(
dest,
@ -197,6 +205,72 @@ class TransportLayer(object):
defer.returnValue(response)
@defer.inlineCallbacks
@log_function
def make_join(self, destination, context, user_id, retry_on_dns_fail=True):
path = PREFIX + "/make_join/%s/%s" % (context, user_id,)
response = yield self.client.get_json(
destination=destination,
path=path,
retry_on_dns_fail=retry_on_dns_fail,
)
defer.returnValue(response)
@defer.inlineCallbacks
@log_function
def send_join(self, destination, context, event_id, content):
path = PREFIX + "/send_join/%s/%s" % (
context,
event_id,
)
code, content = yield self.client.put_json(
destination=destination,
path=path,
data=content,
)
if not 200 <= code < 300:
raise RuntimeError("Got %d from send_join", code)
defer.returnValue(json.loads(content))
@defer.inlineCallbacks
@log_function
def send_invite(self, destination, context, event_id, content):
path = PREFIX + "/invite/%s/%s" % (
context,
event_id,
)
code, content = yield self.client.put_json(
destination=destination,
path=path,
data=content,
)
if not 200 <= code < 300:
raise RuntimeError("Got %d from send_invite", code)
defer.returnValue(json.loads(content))
@defer.inlineCallbacks
@log_function
def get_event_auth(self, destination, context, event_id):
path = PREFIX + "/event_auth/%s/%s" % (
context,
event_id,
)
response = yield self.client.get_json(
destination=destination,
path=path,
)
defer.returnValue(response)
@defer.inlineCallbacks
def _authenticate_request(self, request):
json_request = {
@ -210,7 +284,7 @@ class TransportLayer(object):
origin = None
if request.method == "PUT":
#TODO: Handle other method types? other content types?
# TODO: Handle other method types? other content types?
try:
content_bytes = request.content.read()
content = json.loads(content_bytes)
@ -222,11 +296,13 @@ class TransportLayer(object):
try:
params = auth.split(" ")[1].split(",")
param_dict = dict(kv.split("=") for kv in params)
def strip_quotes(value):
if value.startswith("\""):
return value[1:-1]
else:
return value
origin = strip_quotes(param_dict["origin"])
key = strip_quotes(param_dict["key"])
sig = strip_quotes(param_dict["sig"])
@ -247,7 +323,7 @@ class TransportLayer(object):
if auth.startswith("X-Matrix"):
(origin, key, sig) = parse_auth_header(auth)
json_request["origin"] = origin
json_request["signatures"].setdefault(origin,{})[key] = sig
json_request["signatures"].setdefault(origin, {})[key] = sig
if not json_request["signatures"]:
raise SynapseError(
@ -313,10 +389,10 @@ class TransportLayer(object):
# data_id pair.
self.server.register_path(
"GET",
re.compile("^" + PREFIX + "/pdu/([^/]*)/([^/]*)/$"),
re.compile("^" + PREFIX + "/event/([^/]*)/$"),
self._with_authentication(
lambda origin, content, query, pdu_origin, pdu_id:
handler.on_pdu_request(pdu_origin, pdu_id)
lambda origin, content, query, event_id:
handler.on_pdu_request(origin, event_id)
)
)
@ -326,7 +402,11 @@ class TransportLayer(object):
re.compile("^" + PREFIX + "/state/([^/]*)/$"),
self._with_authentication(
lambda origin, content, query, context:
handler.on_context_state_request(context)
handler.on_context_state_request(
origin,
context,
query.get("event_id", [None])[0],
)
)
)
@ -336,20 +416,11 @@ class TransportLayer(object):
self._with_authentication(
lambda origin, content, query, context:
self._on_backfill_request(
context, query["v"], query["limit"]
origin, context, query["v"], query["limit"]
)
)
)
self.server.register_path(
"GET",
re.compile("^" + PREFIX + "/context/([^/]*)/$"),
self._with_authentication(
lambda origin, content, query, context:
handler.on_context_pdus_request(context)
)
)
# This is when we receive a server-server Query
self.server.register_path(
"GET",
@ -357,7 +428,52 @@ class TransportLayer(object):
self._with_authentication(
lambda origin, content, query, query_type:
handler.on_query_request(
query_type, {k: v[0] for k, v in query.items()}
query_type,
{k: v[0].decode("utf-8") for k, v in query.items()}
)
)
)
self.server.register_path(
"GET",
re.compile("^" + PREFIX + "/make_join/([^/]*)/([^/]*)$"),
self._with_authentication(
lambda origin, content, query, context, user_id:
self._on_make_join_request(
origin, content, query, context, user_id
)
)
)
self.server.register_path(
"GET",
re.compile("^" + PREFIX + "/event_auth/([^/]*)/([^/]*)$"),
self._with_authentication(
lambda origin, content, query, context, event_id:
handler.on_event_auth(
origin, context, event_id,
)
)
)
self.server.register_path(
"PUT",
re.compile("^" + PREFIX + "/send_join/([^/]*)/([^/]*)$"),
self._with_authentication(
lambda origin, content, query, context, event_id:
self._on_send_join_request(
origin, content, query,
)
)
)
self.server.register_path(
"PUT",
re.compile("^" + PREFIX + "/invite/([^/]*)/([^/]*)$"),
self._with_authentication(
lambda origin, content, query, context, event_id:
self._on_invite_request(
origin, content, query,
)
)
)
@ -402,7 +518,8 @@ class TransportLayer(object):
return
try:
code, response = yield self.received_handler.on_incoming_transaction(
handler = self.received_handler
code, response = yield handler.on_incoming_transaction(
transaction_data
)
except:
@ -440,7 +557,7 @@ class TransportLayer(object):
defer.returnValue(data)
@log_function
def _on_backfill_request(self, context, v_list, limits):
def _on_backfill_request(self, origin, context, v_list, limits):
if not limits:
return defer.succeed(
(400, {"error": "Did not include limit param"})
@ -448,124 +565,34 @@ class TransportLayer(object):
limit = int(limits[-1])
versions = [v.split(",", 1) for v in v_list]
versions = v_list
return self.request_handler.on_backfill_request(
context, versions, limit)
origin, context, versions, limit
)
@defer.inlineCallbacks
@log_function
def _on_make_join_request(self, origin, content, query, context, user_id):
content = yield self.request_handler.on_make_join_request(
context, user_id,
)
defer.returnValue((200, content))
class TransportReceivedHandler(object):
""" Callbacks used when we receive a transaction
"""
def on_incoming_transaction(self, transaction):
""" Called on PUT /send/<transaction_id>, or on response to a request
that we sent (e.g. a backfill request)
@defer.inlineCallbacks
@log_function
def _on_send_join_request(self, origin, content, query):
content = yield self.request_handler.on_send_join_request(
origin, content,
)
Args:
transaction (synapse.transaction.Transaction): The transaction that
was sent to us.
defer.returnValue((200, content))
Returns:
twisted.internet.defer.Deferred: A deferred that gets fired when
the transaction has finished being processed.
@defer.inlineCallbacks
@log_function
def _on_invite_request(self, origin, content, query):
content = yield self.request_handler.on_invite_request(
origin, content,
)
The result should be a tuple in the form of
`(response_code, respond_body)`, where `response_body` is a python
dict that will get serialized to JSON.
On errors, the dict should have an `error` key with a brief message
of what went wrong.
"""
pass
class TransportRequestHandler(object):
""" Handlers used when someone want's data from us
"""
def on_pull_request(self, versions):
""" Called on GET /pull/?v=...
This is hit when a remote home server wants to get all data
after a given transaction. Mainly used when a home server comes back
online and wants to get everything it has missed.
Args:
versions (list): A list of transaction_ids that should be used to
determine what PDUs the remote side have not yet seen.
Returns:
Deferred: Resultsin a tuple in the form of
`(response_code, respond_body)`, where `response_body` is a python
dict that will get serialized to JSON.
On errors, the dict should have an `error` key with a brief message
of what went wrong.
"""
pass
def on_pdu_request(self, pdu_origin, pdu_id):
""" Called on GET /pdu/<pdu_origin>/<pdu_id>/
Someone wants a particular PDU. This PDU may or may not have originated
from us.
Args:
pdu_origin (str)
pdu_id (str)
Returns:
Deferred: Resultsin a tuple in the form of
`(response_code, respond_body)`, where `response_body` is a python
dict that will get serialized to JSON.
On errors, the dict should have an `error` key with a brief message
of what went wrong.
"""
pass
def on_context_state_request(self, context):
""" Called on GET /state/<context>/
Gets hit when someone wants all the *current* state for a given
contexts.
Args:
context (str): The name of the context that we're interested in.
Returns:
twisted.internet.defer.Deferred: A deferred that gets fired when
the transaction has finished being processed.
The result should be a tuple in the form of
`(response_code, respond_body)`, where `response_body` is a python
dict that will get serialized to JSON.
On errors, the dict should have an `error` key with a brief message
of what went wrong.
"""
pass
def on_backfill_request(self, context, versions, limit):
""" Called on GET /backfill/<context>/?v=...&limit=...
Gets hit when we want to backfill backwards on a given context from
the given point.
Args:
context (str): The context to backfill
versions (list): A list of 2-tuples representing where to backfill
from, in the form `(pdu_id, origin)`
limit (int): How many pdus to return.
Returns:
Deferred: Results in a tuple in the form of
`(response_code, respond_body)`, where `response_body` is a python
dict that will get serialized to JSON.
On errors, the dict should have an `error` key with a brief message
of what went wrong.
"""
pass
def on_query_request(self):
""" Called on a GET /query/<query_type> request. """
defer.returnValue((200, content))

View File

@ -20,126 +20,11 @@ server protocol.
from synapse.util.jsonobject import JsonEncodedObject
import logging
import json
import copy
logger = logging.getLogger(__name__)
class Pdu(JsonEncodedObject):
""" A Pdu represents a piece of data sent from a server and is associated
with a context.
A Pdu can be classified as "state". For a given context, we can efficiently
retrieve all state pdu's that haven't been clobbered. Clobbering is done
via a unique constraint on the tuple (context, pdu_type, state_key). A pdu
is a state pdu if `is_state` is True.
Example pdu::
{
"pdu_id": "78c",
"origin_server_ts": 1404835423000,
"origin": "bar",
"prev_ids": [
["23b", "foo"],
["56a", "bar"],
],
"content": { ... },
}
"""
valid_keys = [
"pdu_id",
"context",
"origin",
"origin_server_ts",
"pdu_type",
"destinations",
"transaction_id",
"prev_pdus",
"depth",
"content",
"outlier",
"is_state", # Below this are keys valid only for State Pdus.
"state_key",
"power_level",
"prev_state_id",
"prev_state_origin",
"required_power_level",
"user_id",
]
internal_keys = [
"destinations",
"transaction_id",
"outlier",
]
required_keys = [
"pdu_id",
"context",
"origin",
"origin_server_ts",
"pdu_type",
"content",
]
# TODO: We need to make this properly load content rather than
# just leaving it as a dict. (OR DO WE?!)
def __init__(self, destinations=[], is_state=False, prev_pdus=[],
outlier=False, **kwargs):
if is_state:
for required_key in ["state_key"]:
if required_key not in kwargs:
raise RuntimeError("Key %s is required" % required_key)
super(Pdu, self).__init__(
destinations=destinations,
is_state=is_state,
prev_pdus=prev_pdus,
outlier=outlier,
**kwargs
)
@classmethod
def from_pdu_tuple(cls, pdu_tuple):
""" Converts a PduTuple to a Pdu
Args:
pdu_tuple (synapse.persistence.transactions.PduTuple): The tuple to
convert
Returns:
Pdu
"""
if pdu_tuple:
d = copy.copy(pdu_tuple.pdu_entry._asdict())
d["origin_server_ts"] = d.pop("ts")
d["content"] = json.loads(d["content_json"])
del d["content_json"]
args = {f: d[f] for f in cls.valid_keys if f in d}
if "unrecognized_keys" in d and d["unrecognized_keys"]:
args.update(json.loads(d["unrecognized_keys"]))
return Pdu(
prev_pdus=pdu_tuple.prev_pdu_list,
**args
)
else:
return None
def __str__(self):
return "(%s, %s)" % (self.__class__.__name__, repr(self.__dict__))
def __repr__(self):
return "<%s, %s>" % (self.__class__.__name__, repr(self.__dict__))
class Edu(JsonEncodedObject):
""" An Edu represents a piece of data sent from one homeserver to another.
@ -160,11 +45,10 @@ class Edu(JsonEncodedObject):
"edu_type",
]
# TODO: SYN-103: Remove "origin" and "destination" keys.
# internal_keys = [
# "origin",
# "destination",
# ]
internal_keys = [
"origin",
"destination",
]
class Transaction(JsonEncodedObject):
@ -193,6 +77,7 @@ class Transaction(JsonEncodedObject):
"edus",
"transaction_id",
"destination",
"pdu_failures",
]
internal_keys = [
@ -229,7 +114,9 @@ class Transaction(JsonEncodedObject):
transaction_id and origin_server_ts keys.
"""
if "origin_server_ts" not in kwargs:
raise KeyError("Require 'origin_server_ts' to construct a Transaction")
raise KeyError(
"Require 'origin_server_ts' to construct a Transaction"
)
if "transaction_id" not in kwargs:
raise KeyError(
"Require 'transaction_id' to construct a Transaction"
@ -238,9 +125,6 @@ class Transaction(JsonEncodedObject):
for p in pdus:
p.transaction_id = kwargs["transaction_id"]
kwargs["pdus"] = [p.get_dict() for p in pdus]
kwargs["pdus"] = [p.get_pdu_json() for p in pdus]
return Transaction(**kwargs)

View File

@ -14,7 +14,18 @@
# limitations under the License.
from twisted.internet import defer
from synapse.api.errors import LimitExceededError
from synapse.util.async import run_on_reactor
from synapse.crypto.event_signing import add_hashes_and_signatures
from synapse.api.events.room import RoomMemberEvent
from synapse.api.constants import Membership
import logging
logger = logging.getLogger(__name__)
class BaseHandler(object):
@ -30,6 +41,9 @@ class BaseHandler(object):
self.clock = hs.get_clock()
self.hs = hs
self.signing_key = hs.config.signing_key[0]
self.server_name = hs.hostname
def ratelimit(self, user_id):
time_now = self.clock.time()
allowed, time_allowed = self.ratelimiter.send_message(
@ -44,16 +58,58 @@ class BaseHandler(object):
@defer.inlineCallbacks
def _on_new_room_event(self, event, snapshot, extra_destinations=[],
extra_users=[]):
extra_users=[], suppress_auth=False,
do_invite_host=None):
yield run_on_reactor()
snapshot.fill_out_prev_events(event)
yield self.state_handler.annotate_event_with_state(event)
yield self.auth.add_auth_events(event)
logger.debug("Signing event...")
add_hashes_and_signatures(
event, self.server_name, self.signing_key
)
logger.debug("Signed event.")
if not suppress_auth:
logger.debug("Authing...")
self.auth.check(event, raises=True)
logger.debug("Authed")
else:
logger.debug("Suppressed auth.")
if do_invite_host:
federation_handler = self.hs.get_handlers().federation_handler
invite_event = yield federation_handler.send_invite(
do_invite_host,
event
)
# FIXME: We need to check if the remote changed anything else
event.signatures = invite_event.signatures
yield self.store.persist_event(event)
destinations = set(extra_destinations)
# Send a PDU to all hosts who have joined the room.
destinations.update((yield self.store.get_joined_hosts_for_room(
event.room_id
)))
for k, s in event.state_events.items():
try:
if k[0] == RoomMemberEvent.TYPE:
if s.content["membership"] == Membership.JOIN:
destinations.add(
self.hs.parse_userid(s.state_key).domain
)
except:
logger.warn(
"Failed to get destination from event %s", s.event_id
)
event.destinations = list(destinations)
self.notifier.on_new_room_event(event, extra_users=extra_users)

View File

@ -21,8 +21,6 @@ from synapse.api.errors import SynapseError
from synapse.api.events.room import RoomAliasesEvent
import logging
import sqlite3
logger = logging.getLogger(__name__)
@ -56,17 +54,11 @@ class DirectoryHandler(BaseHandler):
if not servers:
raise SynapseError(400, "Failed to get server list")
try:
yield self.store.create_room_alias_association(
room_alias,
room_id,
servers
)
except sqlite3.IntegrityError:
defer.returnValue("Already exists")
# TODO: Send the room event.
yield self._update_room_alias_events(user_id, room_id)
yield self.store.create_room_alias_association(
room_alias,
room_id,
servers
)
@defer.inlineCallbacks
def delete_association(self, user_id, room_alias):
@ -130,13 +122,17 @@ class DirectoryHandler(BaseHandler):
room_alias
)
defer.returnValue({
"room_id": result.room_id,
"servers": result.servers,
})
if result is not None:
defer.returnValue({
"room_id": result.room_id,
"servers": result.servers,
})
else:
raise SynapseError(404, "Room alias \"%s\" not found", room_alias)
@defer.inlineCallbacks
def _update_room_alias_events(self, user_id, room_id):
def send_room_alias_update_event(self, user_id, room_id):
aliases = yield self.store.get_aliases_for_room(room_id)
event = self.event_factory.create_event(
@ -147,10 +143,8 @@ class DirectoryHandler(BaseHandler):
content={"aliases": aliases},
)
snapshot = yield self.store.snapshot_room(
room_id=room_id,
user_id=user_id,
)
snapshot = yield self.store.snapshot_room(event)
yield self.state_handler.handle_new_event(event, snapshot)
yield self._on_new_room_event(event, snapshot, extra_users=[user_id])
yield self._on_new_room_event(
event, snapshot, extra_users=[user_id], suppress_auth=True
)

View File

@ -15,6 +15,7 @@
from twisted.internet import defer
from synapse.util.logcontext import PreserveLoggingContext
from synapse.util.logutils import log_function
from ._base import BaseHandler
@ -66,9 +67,10 @@ class EventStreamHandler(BaseHandler):
rm_handler = self.hs.get_handlers().room_member_handler
room_ids = yield rm_handler.get_rooms_for_user(auth_user)
events, tokens = yield self.notifier.get_events_for(
auth_user, room_ids, pagin_config, timeout
)
with PreserveLoggingContext():
events, tokens = yield self.notifier.get_events_for(
auth_user, room_ids, pagin_config, timeout
)
chunks = [self.hs.serialize_event(e) for e in events]

View File

@ -17,13 +17,18 @@
from ._base import BaseHandler
from synapse.api.events.room import InviteJoinEvent, RoomMemberEvent
from synapse.api.events.utils import prune_event
from synapse.api.errors import AuthError, FederationError, SynapseError
from synapse.api.events.room import RoomMemberEvent
from synapse.api.constants import Membership
from synapse.util.logutils import log_function
from synapse.federation.pdu_codec import PduCodec
from synapse.api.errors import SynapseError
from synapse.util.async import run_on_reactor
from synapse.crypto.event_signing import (
compute_event_signature, check_event_content_hash
)
from syutil.jsonutil import encode_canonical_json
from twisted.internet import defer, reactor
from twisted.internet import defer
import logging
@ -38,6 +43,8 @@ class FederationHandler(BaseHandler):
of the home server (including auth and state conflict resoultion)
b) converting events that were produced by local clients that may need
to be sent to remote home servers.
c) doing the necessary dances to invite remote users and join remote
rooms.
"""
def __init__(self, hs):
@ -55,12 +62,14 @@ class FederationHandler(BaseHandler):
self.state_handler = hs.get_state_handler()
# self.auth_handler = gs.get_auth_handler()
self.server_name = hs.hostname
self.keyring = hs.get_keyring()
self.lock_manager = hs.get_room_lock_manager()
self.replication_layer.set_handler(self)
self.pdu_codec = PduCodec(hs)
# When joining a room we need to queue any events for that room up
self.room_queues = {}
@log_function
@defer.inlineCallbacks
@ -78,7 +87,9 @@ class FederationHandler(BaseHandler):
processing.
"""
pdu = self.pdu_codec.pdu_from_event(event)
yield run_on_reactor()
pdu = event
if not hasattr(pdu, "destinations") or not pdu.destinations:
pdu.destinations = []
@ -87,97 +98,113 @@ class FederationHandler(BaseHandler):
@log_function
@defer.inlineCallbacks
def on_receive_pdu(self, pdu, backfilled):
def on_receive_pdu(self, pdu, backfilled, state=None):
""" Called by the ReplicationLayer when we have a new pdu. We need to
do auth checks and put it throught the StateHandler.
do auth checks and put it through the StateHandler.
"""
event = self.pdu_codec.event_from_pdu(pdu)
event = pdu
logger.debug("Got event: %s", event.event_id)
with (yield self.lock_manager.lock(pdu.context)):
if event.is_state and not backfilled:
is_new_state = yield self.state_handler.handle_new_state(
pdu
)
else:
is_new_state = False
# If we are currently in the process of joining this room, then we
# queue up events for later processing.
if event.room_id in self.room_queues:
self.room_queues[event.room_id].append(pdu)
return
logger.debug("Processing event: %s", event.event_id)
redacted_event = prune_event(event)
redacted_pdu_json = redacted_event.get_pdu_json()
try:
yield self.keyring.verify_json_for_server(
event.origin, redacted_pdu_json
)
except SynapseError as e:
logger.warn("Signature check failed for %s redacted to %s",
encode_canonical_json(pdu.get_pdu_json()),
encode_canonical_json(redacted_pdu_json),
)
raise FederationError(
"ERROR",
e.code,
e.msg,
affected=event.event_id,
)
if not check_event_content_hash(event):
logger.warn(
"Event content has been tampered, redacting %s, %s",
event.event_id, encode_canonical_json(event.get_full_dict())
)
event = redacted_event
is_new_state = yield self.state_handler.annotate_event_with_state(
event,
old_state=state
)
logger.debug("Event: %s", event)
try:
self.auth.check(event, raises=True)
except AuthError as e:
raise FederationError(
"ERROR",
e.code,
e.msg,
affected=event.event_id,
)
is_new_state = is_new_state and not backfilled
# TODO: Implement something in federation that allows us to
# respond to PDU.
target_is_mine = False
if hasattr(event, "target_host"):
target_is_mine = event.target_host == self.hs.hostname
yield self.store.persist_event(
event,
backfilled,
is_new_state=is_new_state
)
if event.type == InviteJoinEvent.TYPE:
if not target_is_mine:
logger.debug("Ignoring invite/join event %s", event)
return
room = yield self.store.get_room(event.room_id)
# If we receive an invite/join event then we need to join the
# sender to the given room.
# TODO: We should probably auth this or some such
content = event.content
content.update({"membership": Membership.JOIN})
new_event = self.event_factory.create_event(
etype=RoomMemberEvent.TYPE,
state_key=event.user_id,
room_id=event.room_id,
user_id=event.user_id,
membership=Membership.JOIN,
content=content
)
yield self.hs.get_handlers().room_member_handler.change_membership(
new_event,
do_auth=False,
)
else:
with (yield self.room_lock.lock(event.room_id)):
yield self.store.persist_event(
event,
backfilled,
is_new_state=is_new_state
if not room:
# Huh, let's try and get the current state
try:
yield self.replication_layer.get_state_for_context(
event.origin, event.room_id, event.event_id,
)
room = yield self.store.get_room(event.room_id)
if not room:
# Huh, let's try and get the current state
try:
yield self.replication_layer.get_state_for_context(
event.origin, event.room_id
)
hosts = yield self.store.get_joined_hosts_for_room(
event.room_id
)
if self.hs.hostname in hosts:
try:
yield self.store.store_room(
room_id=event.room_id,
room_creator_user_id="",
is_public=False,
)
except:
pass
except:
logger.exception(
"Failed to get current state for room %s",
event.room_id
)
if not backfilled:
extra_users = []
if event.type == RoomMemberEvent.TYPE:
target_user_id = event.state_key
target_user = self.hs.parse_userid(target_user_id)
extra_users.append(target_user)
yield self.notifier.on_new_room_event(
event, extra_users=extra_users
hosts = yield self.store.get_joined_hosts_for_room(
event.room_id
)
if self.hs.hostname in hosts:
try:
yield self.store.store_room(
room_id=event.room_id,
room_creator_user_id="",
is_public=False,
)
except:
pass
except:
logger.exception(
"Failed to get current state for room %s",
event.room_id
)
if not backfilled:
extra_users = []
if event.type == RoomMemberEvent.TYPE:
target_user_id = event.state_key
target_user = self.hs.parse_userid(target_user_id)
extra_users.append(target_user)
yield self.notifier.on_new_room_event(
event, extra_users=extra_users
)
if event.type == RoomMemberEvent.TYPE:
if event.membership == Membership.JOIN:
@ -189,79 +216,349 @@ class FederationHandler(BaseHandler):
@log_function
@defer.inlineCallbacks
def backfill(self, dest, room_id, limit):
pdus = yield self.replication_layer.backfill(dest, room_id, limit)
""" Trigger a backfill request to `dest` for the given `room_id`
"""
extremities = yield self.store.get_oldest_events_in_room(room_id)
pdus = yield self.replication_layer.backfill(
dest,
room_id,
limit,
extremities=extremities,
)
events = []
for pdu in pdus:
event = self.pdu_codec.event_from_pdu(pdu)
event = pdu
# FIXME (erikj): Not sure this actually works :/
yield self.state_handler.annotate_event_with_state(event)
events.append(event)
yield self.store.persist_event(event, backfilled=True)
defer.returnValue(events)
@defer.inlineCallbacks
def send_invite(self, target_host, event):
""" Sends the invite to the remote server for signing.
Invites must be signed by the invitee's server before distribution.
"""
pdu = yield self.replication_layer.send_invite(
destination=target_host,
context=event.room_id,
event_id=event.event_id,
pdu=event
)
defer.returnValue(pdu)
@defer.inlineCallbacks
def on_event_auth(self, event_id):
auth = yield self.store.get_auth_chain(event_id)
defer.returnValue([e for e in auth])
@log_function
@defer.inlineCallbacks
def do_invite_join(self, target_host, room_id, joinee, content, snapshot):
""" Attempts to join the `joinee` to the room `room_id` via the
server `target_host`.
hosts = yield self.store.get_joined_hosts_for_room(room_id)
if self.hs.hostname in hosts:
# We are already in the room.
logger.debug("We're already in the room apparently")
defer.returnValue(False)
This first triggers a /make_join/ request that returns a partial
event that we can fill out and sign. This is then sent to the
remote server via /send_join/ which responds with the state at that
event and the auth_chains.
# First get current state to see if we are already joined.
try:
yield self.replication_layer.get_state_for_context(
target_host, room_id
)
hosts = yield self.store.get_joined_hosts_for_room(room_id)
if self.hs.hostname in hosts:
# Oh, we were actually in the room already.
logger.debug("We're already in the room apparently")
defer.returnValue(False)
except Exception:
logger.exception("Failed to get current state")
new_event = self.event_factory.create_event(
etype=InviteJoinEvent.TYPE,
target_host=target_host,
room_id=room_id,
user_id=joinee,
content=content
We suspend processing of any received events from this room until we
have finished processing the join.
"""
pdu = yield self.replication_layer.make_join(
target_host,
room_id,
joinee
)
new_event.destinations = [target_host]
logger.debug("Got response to make_join: %s", pdu)
snapshot.fill_out_prev_events(new_event)
yield self.handle_new_event(new_event, snapshot)
event = pdu
# TODO (erikj): Time out here.
d = defer.Deferred()
self.waiting_for_join_list.setdefault((joinee, room_id), []).append(d)
reactor.callLater(10, d.cancel)
# We should assert some things.
assert(event.type == RoomMemberEvent.TYPE)
assert(event.user_id == joinee)
assert(event.state_key == joinee)
assert(event.room_id == room_id)
event.outlier = False
self.room_queues[room_id] = []
try:
yield d
except defer.CancelledError:
raise SynapseError(500, "Unable to join remote room")
event.event_id = self.event_factory.create_event_id()
event.content = content
try:
yield self.store.store_room(
room_id=room_id,
room_creator_user_id="",
is_public=False
state = yield self.replication_layer.send_join(
target_host,
event
)
except:
pass
logger.debug("do_invite_join state: %s", state)
yield self.state_handler.annotate_event_with_state(
event,
old_state=state
)
logger.debug("do_invite_join event: %s", event)
try:
yield self.store.store_room(
room_id=room_id,
room_creator_user_id="",
is_public=False
)
except:
# FIXME
pass
for e in state:
# FIXME: Auth these.
e.outlier = True
yield self.state_handler.annotate_event_with_state(
e,
)
yield self.store.persist_event(
e,
backfilled=False,
is_new_state=True
)
yield self.store.persist_event(
event,
backfilled=False,
is_new_state=True
)
finally:
room_queue = self.room_queues[room_id]
del self.room_queues[room_id]
for p in room_queue:
try:
yield self.on_receive_pdu(p, backfilled=False)
except:
pass
defer.returnValue(True)
@defer.inlineCallbacks
@log_function
def on_make_join_request(self, context, user_id):
""" We've received a /make_join/ request, so we create a partial
join event for the room and return that. We don *not* persist or
process it until the other server has signed it and sent it back.
"""
event = self.event_factory.create_event(
etype=RoomMemberEvent.TYPE,
content={"membership": Membership.JOIN},
room_id=context,
user_id=user_id,
state_key=user_id,
)
snapshot = yield self.store.snapshot_room(event)
snapshot.fill_out_prev_events(event)
yield self.state_handler.annotate_event_with_state(event)
yield self.auth.add_auth_events(event)
self.auth.check(event, raises=True)
pdu = event
defer.returnValue(pdu)
@defer.inlineCallbacks
@log_function
def on_send_join_request(self, origin, pdu):
""" We have received a join event for a room. Fully process it and
respond with the current state and auth chains.
"""
event = pdu
event.outlier = False
is_new_state = yield self.state_handler.annotate_event_with_state(event)
self.auth.check(event, raises=True)
# FIXME (erikj): All this is duplicated above :(
yield self.store.persist_event(
event,
backfilled=False,
is_new_state=is_new_state
)
extra_users = []
if event.type == RoomMemberEvent.TYPE:
target_user_id = event.state_key
target_user = self.hs.parse_userid(target_user_id)
extra_users.append(target_user)
yield self.notifier.on_new_room_event(
event, extra_users=extra_users
)
if event.type == RoomMemberEvent.TYPE:
if event.membership == Membership.JOIN:
user = self.hs.parse_userid(event.state_key)
self.distributor.fire(
"user_joined_room", user=user, room_id=event.room_id
)
new_pdu = event
destinations = set()
for k, s in event.state_events.items():
try:
if k[0] == RoomMemberEvent.TYPE:
if s.content["membership"] == Membership.JOIN:
destinations.add(
self.hs.parse_userid(s.state_key).domain
)
except:
logger.warn(
"Failed to get destination from event %s", s.event_id
)
new_pdu.destinations = list(destinations)
yield self.replication_layer.send_pdu(new_pdu)
auth_chain = yield self.store.get_auth_chain(event.event_id)
defer.returnValue({
"state": event.state_events.values(),
"auth_chain": auth_chain,
})
@defer.inlineCallbacks
def on_invite_request(self, origin, pdu):
""" We've got an invite event. Process and persist it. Sign it.
Respond with the now signed event.
"""
event = pdu
event.outlier = True
event.signatures.update(
compute_event_signature(
event,
self.hs.hostname,
self.hs.config.signing_key[0]
)
)
yield self.state_handler.annotate_event_with_state(event)
yield self.store.persist_event(
event,
backfilled=False,
)
target_user = self.hs.parse_userid(event.state_key)
yield self.notifier.on_new_room_event(
event, extra_users=[target_user],
)
defer.returnValue(event)
@defer.inlineCallbacks
def get_state_for_pdu(self, origin, room_id, event_id):
yield run_on_reactor()
in_room = yield self.auth.check_host_in_room(room_id, origin)
if not in_room:
raise AuthError(403, "Host not in room.")
state_groups = yield self.store.get_state_groups(
[event_id]
)
if state_groups:
_, state = state_groups.items().pop()
results = {
(e.type, e.state_key): e for e in state
}
event = yield self.store.get_event(event_id)
if hasattr(event, "state_key"):
# Get previous state
if hasattr(event, "replaces_state") and event.replaces_state:
prev_event = yield self.store.get_event(
event.replaces_state
)
results[(event.type, event.state_key)] = prev_event
else:
del results[(event.type, event.state_key)]
defer.returnValue(results.values())
else:
defer.returnValue([])
@defer.inlineCallbacks
@log_function
def on_backfill_request(self, origin, context, pdu_list, limit):
in_room = yield self.auth.check_host_in_room(context, origin)
if not in_room:
raise AuthError(403, "Host not in room.")
events = yield self.store.get_backfill_events(
context,
pdu_list,
limit
)
defer.returnValue(events)
@defer.inlineCallbacks
@log_function
def get_persisted_pdu(self, origin, event_id):
""" Get a PDU from the database with given origin and id.
Returns:
Deferred: Results in a `Pdu`.
"""
event = yield self.store.get_event(
event_id,
allow_none=True,
)
if event:
in_room = yield self.auth.check_host_in_room(
event.room_id,
origin
)
if not in_room:
raise AuthError(403, "Host not in room.")
defer.returnValue(event)
else:
defer.returnValue(None)
@log_function
def get_min_depth_for_context(self, context):
return self.store.get_min_depth(context)
@log_function
def _on_user_joined(self, user, room_id):
waiters = self.waiting_for_join_list.get((user.to_string(), room_id), [])
waiters = self.waiting_for_join_list.get(
(user.to_string(), room_id),
[]
)
while waiters:
waiters.pop().callback(None)

View File

@ -16,7 +16,6 @@
from twisted.internet import defer
from synapse.api.constants import Membership
from synapse.api.events.room import RoomTopicEvent
from synapse.api.errors import RoomError
from synapse.streams.config import PaginationConfig
from ._base import BaseHandler
@ -26,7 +25,6 @@ import logging
logger = logging.getLogger(__name__)
class MessageHandler(BaseHandler):
def __init__(self, hs):
@ -59,7 +57,8 @@ class MessageHandler(BaseHandler):
# user_id=sender_id
# )
# TODO (erikj): Once we work out the correct c-s api we need to think on how to do this.
# TODO (erikj): Once we work out the correct c-s api we need to think
# on how to do this.
defer.returnValue(None)
@ -81,12 +80,11 @@ class MessageHandler(BaseHandler):
user = self.hs.parse_userid(event.user_id)
assert user.is_mine, "User must be our own: %s" % (user,)
snapshot = yield self.store.snapshot_room(event.room_id, event.user_id)
snapshot = yield self.store.snapshot_room(event)
if not suppress_auth:
yield self.auth.check(event, snapshot, raises=True)
yield self._on_new_room_event(event, snapshot)
yield self._on_new_room_event(
event, snapshot, suppress_auth=suppress_auth
)
self.hs.get_handlers().presence_handler.bump_presence_active_time(
user
@ -111,7 +109,9 @@ class MessageHandler(BaseHandler):
data_source = self.hs.get_event_sources().sources["room"]
if not pagin_config.from_token:
pagin_config.from_token = yield self.hs.get_event_sources().get_current_token()
pagin_config.from_token = (
yield self.hs.get_event_sources().get_current_token()
)
user = self.hs.parse_userid(user_id)
@ -142,66 +142,27 @@ class MessageHandler(BaseHandler):
SynapseError if something went wrong.
"""
snapshot = yield self.store.snapshot_room(
event.room_id,
event.user_id,
state_type=event.type,
state_key=event.state_key,
)
yield self.auth.check(event, snapshot, raises=True)
yield self.state_handler.handle_new_event(event, snapshot)
snapshot = yield self.store.snapshot_room(event)
yield self._on_new_room_event(event, snapshot)
@defer.inlineCallbacks
def get_room_data(self, user_id=None, room_id=None,
event_type=None, state_key="",
public_room_rules=[],
private_room_rules=["join"]):
event_type=None, state_key=""):
""" Get data from a room.
Args:
event : The room path event
public_room_rules : A list of membership states the user can be in,
in order to read this data IN A PUBLIC ROOM. An empty list means
'any state'.
private_room_rules : A list of membership states the user can be
in, in order to read this data IN A PRIVATE ROOM. An empty list
means 'any state'.
Returns:
The path data content.
Raises:
SynapseError if something went wrong.
"""
if event_type == RoomTopicEvent.TYPE:
# anyone invited/joined can read the topic
private_room_rules = ["invite", "join"]
have_joined = yield self.auth.check_joined_room(room_id, user_id)
if not have_joined:
raise RoomError(403, "User not in room.")
# does this room exist
room = yield self.store.get_room(room_id)
if not room:
raise RoomError(403, "Room does not exist.")
# does this user exist in this room
member = yield self.store.get_room_member(
room_id=room_id,
user_id="" if not user_id else user_id)
member_state = member.membership if member else None
if room.is_public and public_room_rules:
# make sure the user meets public room rules
if member_state not in public_room_rules:
raise RoomError(403, "Member does not meet public room rules.")
elif not room.is_public and private_room_rules:
# make sure the user meets private room rules
if member_state not in private_room_rules:
raise RoomError(
403, "Member does not meet private room rules.")
data = yield self.store.get_current_state(
data = yield self.state_handler.get_current_state(
room_id, event_type, state_key
)
defer.returnValue(data)
@ -219,9 +180,7 @@ class MessageHandler(BaseHandler):
@defer.inlineCallbacks
def send_feedback(self, event):
snapshot = yield self.store.snapshot_room(event.room_id, event.user_id)
yield self.auth.check(event, snapshot, raises=True)
snapshot = yield self.store.snapshot_room(event)
# store message in db
yield self._on_new_room_event(event, snapshot)
@ -239,7 +198,7 @@ class MessageHandler(BaseHandler):
yield self.auth.check_joined_room(room_id, user_id)
# TODO: This is duplicating logic from snapshot_all_rooms
current_state = yield self.store.get_current_state(room_id)
current_state = yield self.state_handler.get_current_state(room_id)
defer.returnValue([self.hs.serialize_event(c) for c in current_state])
@defer.inlineCallbacks
@ -289,8 +248,10 @@ class MessageHandler(BaseHandler):
d = {
"room_id": event.room_id,
"membership": event.membership,
"visibility": ("public" if event.room_id in
public_room_ids else "private"),
"visibility": (
"public" if event.room_id in public_room_ids
else "private"
),
}
if event.membership == Membership.INVITE:
@ -316,10 +277,12 @@ class MessageHandler(BaseHandler):
"end": end_token.to_string(),
}
current_state = yield self.store.get_current_state(
current_state = yield self.state_handler.get_current_state(
event.room_id
)
d["state"] = [self.hs.serialize_event(c) for c in current_state]
d["state"] = [
self.hs.serialize_event(c) for c in current_state
]
except:
logger.exception("Failed to get snapshot")
@ -331,4 +294,64 @@ class MessageHandler(BaseHandler):
defer.returnValue(ret)
@defer.inlineCallbacks
def room_initial_sync(self, user_id, room_id, pagin_config=None,
feedback=False):
yield self.auth.check_joined_room(room_id, user_id)
# TODO(paul): I wish I was called with user objects not user_id
# strings...
auth_user = self.hs.parse_userid(user_id)
# TODO: These concurrently
state_tuples = yield self.store.get_current_state(room_id)
state = [self.hs.serialize_event(x) for x in state_tuples]
member_event = (yield self.store.get_room_member(
user_id=user_id,
room_id=room_id
))
now_token = yield self.hs.get_event_sources().get_current_token()
limit = pagin_config.limit if pagin_config else None
if limit is None:
limit = 10
messages, token = yield self.store.get_recent_events_for_room(
room_id,
limit=limit,
end_token=now_token.room_key,
)
start_token = now_token.copy_and_replace("room_key", token[0])
end_token = now_token.copy_and_replace("room_key", token[1])
room_members = yield self.store.get_room_members(room_id)
presence_handler = self.hs.get_handlers().presence_handler
presence = []
for m in room_members:
try:
member_presence = yield presence_handler.get_state(
target_user=self.hs.parse_userid(m.user_id),
auth_user=auth_user,
as_event=True,
)
presence.append(member_presence)
except Exception:
logger.exception("Failed to get member presence of %r",
m.user_id
)
defer.returnValue({
"membership": member_event.membership,
"room_id": room_id,
"messages": {
"chunk": [self.hs.serialize_event(m) for m in messages],
"start": start_token.to_string(),
"end": end_token.to_string(),
},
"state": state,
"presence": presence
})

View File

@ -139,9 +139,7 @@ class PresenceHandler(BaseHandler):
if user in self._user_cachemap:
return self._user_cachemap[user]
else:
statuscache = UserPresenceCache()
statuscache.update({"presence": PresenceState.OFFLINE}, user)
return statuscache
return UserPresenceCache()
def registered_user(self, user):
self.store.create_presence(user.localpart)
@ -165,7 +163,7 @@ class PresenceHandler(BaseHandler):
defer.returnValue(False)
@defer.inlineCallbacks
def get_state(self, target_user, auth_user):
def get_state(self, target_user, auth_user, as_event=False):
if target_user.is_mine:
visible = yield self.is_presence_visible(
observer_user=auth_user,
@ -180,9 +178,9 @@ class PresenceHandler(BaseHandler):
state["presence"] = state.pop("state")
if target_user in self._user_cachemap:
state["last_active"] = (
self._user_cachemap[target_user].get_state()["last_active"]
)
cached_state = self._user_cachemap[target_user].get_state()
if "last_active" in cached_state:
state["last_active"] = cached_state["last_active"]
else:
# TODO(paul): Have remote server send us permissions set
state = self._get_or_offline_usercache(target_user).get_state()
@ -191,7 +189,20 @@ class PresenceHandler(BaseHandler):
state["last_active_ago"] = int(
self.clock.time_msec() - state.pop("last_active")
)
defer.returnValue(state)
if as_event:
content = state
content["user_id"] = target_user.to_string()
if "last_active" in content:
content["last_active_ago"] = int(
self._clock.time_msec() - content.pop("last_active")
)
defer.returnValue({"type": "m.presence", "content": content})
else:
defer.returnValue(state)
@defer.inlineCallbacks
@log_function
@ -860,7 +871,7 @@ class UserPresenceCache(object):
Includes the update timestamp.
"""
def __init__(self):
self.state = {}
self.state = {"presence": PresenceState.OFFLINE}
self.serial = None
def update(self, state, serial):

View File

@ -17,7 +17,6 @@ from twisted.internet import defer
from synapse.api.errors import SynapseError, AuthError, CodeMessageException
from synapse.api.constants import Membership
from synapse.api.events.room import RoomMemberEvent
from ._base import BaseHandler
@ -153,10 +152,13 @@ class ProfileHandler(BaseHandler):
if not user.is_mine:
defer.returnValue(None)
(displayname, avatar_url) = yield defer.gatherResults([
self.store.get_profile_displayname(user.localpart),
self.store.get_profile_avatar_url(user.localpart),
])
(displayname, avatar_url) = yield defer.gatherResults(
[
self.store.get_profile_displayname(user.localpart),
self.store.get_profile_avatar_url(user.localpart),
],
consumeErrors=True
)
state["displayname"] = displayname
state["avatar_url"] = avatar_url
@ -196,14 +198,10 @@ class ProfileHandler(BaseHandler):
)
for j in joins:
snapshot = yield self.store.snapshot_room(
j.room_id, j.state_key, RoomMemberEvent.TYPE,
j.state_key
)
snapshot = yield self.store.snapshot_room(j)
content = {
"membership": j.content["membership"],
"prev": j.content["membership"],
}
yield self.distributor.fire(
@ -218,5 +216,6 @@ class ProfileHandler(BaseHandler):
user_id=j.state_key,
)
yield self.state_handler.handle_new_event(new_event, snapshot)
yield self._on_new_room_event(new_event, snapshot)
yield self._on_new_room_event(
new_event, snapshot, suppress_auth=True
)

View File

@ -15,7 +15,6 @@
"""Contains functions for registering clients."""
from twisted.internet import defer
from twisted.python import log
from synapse.types import UserID
from synapse.api.errors import (
@ -129,7 +128,7 @@ class RegistrationHandler(BaseHandler):
try:
threepid = yield self._threepid_from_creds(c)
except:
log.err()
logger.exception("Couldn't validate 3pid")
raise RegistrationError(400, "Couldn't validate 3pid")
if not threepid:

View File

@ -21,10 +21,10 @@ from synapse.api.constants import Membership, JoinRules
from synapse.api.errors import StoreError, SynapseError
from synapse.api.events.room import (
RoomMemberEvent, RoomCreateEvent, RoomPowerLevelsEvent,
RoomJoinRulesEvent, RoomAddStateLevelEvent, RoomTopicEvent,
RoomSendEventLevelEvent, RoomOpsPowerLevelsEvent, RoomNameEvent,
RoomTopicEvent, RoomNameEvent, RoomJoinRulesEvent,
)
from synapse.util import stringutils
from synapse.util.async import run_on_reactor
from ._base import BaseHandler
import logging
@ -106,11 +106,6 @@ class RoomCreationHandler(BaseHandler):
if not room_id:
raise StoreError(500, "Couldn't generate a room ID.")
user = self.hs.parse_userid(user_id)
creation_events = self._create_events_for_new_room(
user, room_id, is_public=is_public
)
if room_alias:
directory_handler = self.hs.get_handlers().directory_handler
yield directory_handler.create_association(
@ -120,17 +115,28 @@ class RoomCreationHandler(BaseHandler):
servers=[self.hs.hostname],
)
user = self.hs.parse_userid(user_id)
creation_events = self._create_events_for_new_room(
user, room_id, is_public=is_public
)
room_member_handler = self.hs.get_handlers().room_member_handler
@defer.inlineCallbacks
def handle_event(event):
snapshot = yield self.store.snapshot_room(
room_id=room_id,
user_id=user_id,
)
snapshot = yield self.store.snapshot_room(event)
logger.debug("Event: %s", event)
yield self.state_handler.handle_new_event(event, snapshot)
yield self._on_new_room_event(event, snapshot, extra_users=[user])
if event.type == RoomMemberEvent.TYPE:
yield room_member_handler.change_membership(
event,
do_auth=True
)
else:
yield self._on_new_room_event(
event, snapshot, extra_users=[user], suppress_auth=True
)
for event in creation_events:
yield handle_event(event)
@ -141,7 +147,6 @@ class RoomCreationHandler(BaseHandler):
etype=RoomNameEvent.TYPE,
room_id=room_id,
user_id=user_id,
required_power_level=50,
content={"name": name},
)
@ -153,22 +158,11 @@ class RoomCreationHandler(BaseHandler):
etype=RoomTopicEvent.TYPE,
room_id=room_id,
user_id=user_id,
required_power_level=50,
content={"topic": topic},
)
yield handle_event(topic_event)
content = {"membership": Membership.JOIN}
join_event = self.event_factory.create_event(
etype=RoomMemberEvent.TYPE,
state_key=user_id,
room_id=room_id,
user_id=user_id,
membership=Membership.JOIN,
content=content
)
content = {"membership": Membership.INVITE}
for invitee in invite_list:
invite_event = self.event_factory.create_event(
@ -178,27 +172,22 @@ class RoomCreationHandler(BaseHandler):
user_id=user_id,
content=content
)
yield handle_event(invite_event)
yield self.hs.get_handlers().room_member_handler.change_membership(
invite_event,
do_auth=False
)
yield self.hs.get_handlers().room_member_handler.change_membership(
join_event,
do_auth=False
)
result = {"room_id": room_id}
if room_alias:
result["room_alias"] = room_alias.to_string()
directory_handler.send_room_alias_update_event(user_id, room_id)
defer.returnValue(result)
def _create_events_for_new_room(self, creator, room_id, is_public=False):
creator_id = creator.to_string()
event_keys = {
"room_id": room_id,
"user_id": creator.to_string(),
"required_power_level": 100,
"user_id": creator_id,
}
def create(etype, **content):
@ -213,9 +202,33 @@ class RoomCreationHandler(BaseHandler):
creator=creator.to_string(),
)
join_event = self.event_factory.create_event(
etype=RoomMemberEvent.TYPE,
state_key=creator_id,
content={
"membership": Membership.JOIN,
},
**event_keys
)
power_levels_event = self.event_factory.create_event(
etype=RoomPowerLevelsEvent.TYPE,
content={creator.to_string(): 100, "default": 0},
content={
"users": {
creator.to_string(): 100,
},
"users_default": 0,
"events": {
RoomNameEvent.TYPE: 100,
RoomPowerLevelsEvent.TYPE: 100,
},
"events_default": 0,
"state_default": 50,
"ban": 50,
"kick": 50,
"redact": 50
},
**event_keys
)
@ -225,30 +238,11 @@ class RoomCreationHandler(BaseHandler):
join_rule=join_rule,
)
add_state_event = create(
etype=RoomAddStateLevelEvent.TYPE,
level=100,
)
send_event = create(
etype=RoomSendEventLevelEvent.TYPE,
level=0,
)
ops = create(
etype=RoomOpsPowerLevelsEvent.TYPE,
ban_level=50,
kick_level=50,
redact_level=50,
)
return [
creation_event,
join_event,
power_levels_event,
join_rules_event,
add_state_event,
send_event,
ops,
]
@ -363,25 +357,13 @@ class RoomMemberHandler(BaseHandler):
"""
target_user_id = event.state_key
snapshot = yield self.store.snapshot_room(
event.room_id, event.user_id,
RoomMemberEvent.TYPE, target_user_id
)
snapshot = yield self.store.snapshot_room(event)
## TODO(markjh): get prev state from snapshot.
prev_state = yield self.store.get_room_member(
target_user_id, event.room_id
)
if prev_state:
event.content["prev"] = prev_state.membership
# if prev_state and prev_state.membership == event.membership:
# # treat this event as a NOOP.
# if do_auth: # This is mainly to fix a unit test.
# yield self.auth.check(event, raises=True)
# defer.returnValue({})
# return
room_id = event.room_id
# If we're trying to join a room then we have to do this differently
@ -391,29 +373,17 @@ class RoomMemberHandler(BaseHandler):
yield self._do_join(event, snapshot, do_auth=do_auth)
else:
# This is not a JOIN, so we can handle it normally.
if do_auth:
yield self.auth.check(event, snapshot, raises=True)
# If we're banning someone, set a req power level
if event.membership == Membership.BAN:
if not hasattr(event, "required_power_level") or event.required_power_level is None:
# Add some default required_power_level
user_level = yield self.store.get_power_level(
event.room_id,
event.user_id,
)
event.required_power_level = user_level
if prev_state and prev_state.membership == event.membership:
# double same action, treat this event as a NOOP.
defer.returnValue({})
return
yield self.state_handler.handle_new_event(event, snapshot)
yield self._do_local_membership_update(
event,
membership=event.content["membership"],
snapshot=snapshot,
do_auth=do_auth,
)
defer.returnValue({"room_id": room_id})
@ -443,10 +413,7 @@ class RoomMemberHandler(BaseHandler):
content=content,
)
snapshot = yield self.store.snapshot_room(
room_id, joinee.to_string(), RoomMemberEvent.TYPE,
joinee.to_string()
)
snapshot = yield self.store.snapshot_room(new_event)
yield self._do_join(new_event, snapshot, room_host=host, do_auth=True)
@ -468,9 +435,12 @@ class RoomMemberHandler(BaseHandler):
# that we are allowed to join when we decide whether or not we
# need to do the invite/join dance.
hosts = yield self.store.get_joined_hosts_for_room(room_id)
is_host_in_room = yield self.auth.check_host_in_room(
event.room_id,
self.hs.hostname
)
if self.hs.hostname in hosts:
if is_host_in_room:
should_do_dance = False
elif room_host:
should_do_dance = True
@ -502,14 +472,11 @@ class RoomMemberHandler(BaseHandler):
if not have_joined:
logger.debug("Doing normal join")
if do_auth:
yield self.auth.check(event, snapshot, raises=True)
yield self.state_handler.handle_new_event(event, snapshot)
yield self._do_local_membership_update(
event,
membership=event.content["membership"],
snapshot=snapshot,
do_auth=do_auth,
)
user = self.hs.parse_userid(event.user_id)
@ -553,26 +520,29 @@ class RoomMemberHandler(BaseHandler):
defer.returnValue([r.room_id for r in rooms])
def _do_local_membership_update(self, event, membership, snapshot):
destinations = []
@defer.inlineCallbacks
def _do_local_membership_update(self, event, membership, snapshot,
do_auth):
yield run_on_reactor()
# If we're inviting someone, then we should also send it to that
# HS.
target_user_id = event.state_key
target_user = self.hs.parse_userid(target_user_id)
if membership == Membership.INVITE:
host = target_user.domain
destinations.append(host)
if membership == Membership.INVITE and not target_user.is_mine:
do_invite_host = target_user.domain
else:
do_invite_host = None
# Always include target domain
host = target_user.domain
destinations.append(host)
return self._on_new_room_event(
event, snapshot, extra_destinations=destinations,
extra_users=[target_user]
yield self._on_new_room_event(
event,
snapshot,
extra_users=[target_user],
suppress_auth=(not do_auth),
do_invite_host=do_invite_host,
)
class RoomListHandler(BaseHandler):
@defer.inlineCallbacks

View File

@ -23,6 +23,7 @@ from twisted.web.http_headers import Headers
from synapse.http.endpoint import matrix_endpoint
from synapse.util.async import sleep
from synapse.util.logcontext import PreserveLoggingContext
from syutil.jsonutil import encode_canonical_json
@ -108,16 +109,17 @@ class BaseHttpClient(object):
producer = body_callback(method, url_bytes, headers_dict)
try:
response = yield self.agent.request(
destination,
endpoint,
method,
path_bytes,
param_bytes,
query_bytes,
Headers(headers_dict),
producer
)
with PreserveLoggingContext():
response = yield self.agent.request(
destination,
endpoint,
method,
path_bytes,
param_bytes,
query_bytes,
Headers(headers_dict),
producer
)
logger.debug("Got response to %s", method)
break
@ -258,7 +260,13 @@ class MatrixHttpClient(BaseHttpClient):
"""
logger.debug("get_json args: %s", args)
query_bytes = urllib.urlencode(args, True)
encoded_args = {}
for k, vs in args.items():
if isinstance(vs, basestring):
vs = [vs]
encoded_args[k] = [v.encode("UTF-8") for v in vs]
query_bytes = urllib.urlencode(encoded_args, True)
logger.debug("Query bytes: %s Retry DNS: %s", args, retry_on_dns_fail)
def body_callback(method, url_bytes, headers_dict):

View File

@ -129,6 +129,14 @@ class ContentRepoResource(resource.Resource):
logger.info("Sending file %s", file_path)
f = open(file_path, 'rb')
request.setHeader('Content-Type', content_type)
# cache for at least a day.
# XXX: we might want to turn this off for data we don't want to recommend
# caching as it's sensitive or private - or at least select private.
# don't bother setting Expires as all our matrix clients are smart enough to
# be happy with Cache-Control (right?)
request.setHeader('Cache-Control', 'public,max-age=86400,s-maxage=86400')
d = FileSender().beginFileTransfer(f, request)
# after the file has been sent, clean up and finish the request

View File

@ -20,6 +20,7 @@ from syutil.jsonutil import (
from synapse.api.errors import (
cs_exception, SynapseError, CodeMessageException
)
from synapse.util.logcontext import LoggingContext
from twisted.internet import defer, reactor
from twisted.web import server, resource
@ -88,9 +89,19 @@ class JsonResource(HttpServer, resource.Resource):
def render(self, request):
""" This get's called by twisted every time someone sends us a request.
"""
self._async_render(request)
self._async_render_with_logging_context(request)
return server.NOT_DONE_YET
_request_id = 0
@defer.inlineCallbacks
def _async_render_with_logging_context(self, request):
request_id = "%s-%s" % (request.method, JsonResource._request_id)
JsonResource._request_id += 1
with LoggingContext(request_id) as request_context:
request_context.request = request_id
yield self._async_render(request)
@defer.inlineCallbacks
def _async_render(self, request):
""" This get's called by twisted every time someone sends us a request.

View File

@ -13,9 +13,10 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer, reactor
from twisted.internet import defer
from synapse.util.logutils import log_function
from synapse.util.logcontext import PreserveLoggingContext
import logging
@ -79,6 +80,8 @@ class Notifier(object):
self.event_sources = hs.get_event_sources()
self.clock = hs.get_clock()
hs.get_distributor().observe(
"user_joined_room", self._user_joined_room
)
@ -127,9 +130,10 @@ class Notifier(object):
def eb(failure):
logger.exception("Failed to notify listener", failure)
yield defer.DeferredList(
[notify(l).addErrback(eb) for l in listeners]
)
with PreserveLoggingContext():
yield defer.DeferredList(
[notify(l).addErrback(eb) for l in listeners]
)
@defer.inlineCallbacks
@log_function
@ -175,9 +179,10 @@ class Notifier(object):
failure.getTracebackObject())
)
yield defer.DeferredList(
[notify(l).addErrback(eb) for l in listeners]
)
with PreserveLoggingContext():
yield defer.DeferredList(
[notify(l).addErrback(eb) for l in listeners]
)
def get_events_for(self, user, rooms, pagination_config, timeout):
""" For the given user and rooms, return any new events for them. If
@ -206,29 +211,28 @@ class Notifier(object):
timeout,
deferred,
)
def _timeout_listener():
# TODO (erikj): We should probably set to_token to the current
# max rather than reusing from_token.
listener.notify(
self,
[],
listener.from_token,
listener.from_token,
)
if timeout:
reactor.callLater(timeout/1000.0, self._timeout_listener, listener)
self.clock.call_later(timeout/1000.0, _timeout_listener)
self._register_with_keys(listener)
yield self._check_for_updates(listener)
if not timeout:
self._timeout_listener(listener)
_timeout_listener()
return
def _timeout_listener(self, listener):
# TODO (erikj): We should probably set to_token to the current max
# rather than reusing from_token.
listener.notify(
self,
[],
listener.from_token,
listener.from_token,
)
@log_function
def _register_with_keys(self, listener):
for room in listener.rooms:

View File

@ -18,6 +18,11 @@ from synapse.api.urls import CLIENT_PREFIX
from synapse.rest.transactions import HttpTransactionStore
import re
import logging
logger = logging.getLogger(__name__)
def client_path_pattern(path_regex):
"""Creates a regex compiled client path with the correct client path
@ -62,6 +67,8 @@ class RestServlet(object):
self.auth = hs.get_auth()
self.txns = HttpTransactionStore()
self.validator = hs.get_event_validator()
def register(self, http_server):
""" Register this servlet with the given HTTP server. """
if hasattr(self, "PATTERN"):

View File

@ -36,7 +36,9 @@ class ClientDirectoryServer(RestServlet):
@defer.inlineCallbacks
def on_GET(self, request, room_alias):
room_alias = self.hs.parse_roomalias(urllib.unquote(room_alias))
room_alias = self.hs.parse_roomalias(
urllib.unquote(room_alias).decode("utf-8")
)
dir_handler = self.handlers.directory_handler
res = yield dir_handler.get_association(room_alias)
@ -54,7 +56,9 @@ class ClientDirectoryServer(RestServlet):
logger.debug("Got content: %s", content)
room_alias = self.hs.parse_roomalias(urllib.unquote(room_alias))
room_alias = self.hs.parse_roomalias(
urllib.unquote(room_alias).decode("utf-8")
)
logger.debug("Got room name: %s", room_alias.to_string())
@ -70,9 +74,11 @@ class ClientDirectoryServer(RestServlet):
dir_handler = self.handlers.directory_handler
try:
user_id = user.to_string()
yield dir_handler.create_association(
user.to_string(), room_alias, room_id, servers
user_id, room_alias, room_id, servers
)
yield dir_handler.send_room_alias_update_event(user_id, room_id)
except SynapseError as e:
raise e
except:
@ -91,7 +97,9 @@ class ClientDirectoryServer(RestServlet):
dir_handler = self.handlers.directory_handler
room_alias = self.hs.parse_roomalias(urllib.unquote(room_alias))
room_alias = self.hs.parse_roomalias(
urllib.unquote(room_alias).decode("utf-8")
)
yield dir_handler.delete_association(
user.to_string(), room_alias

View File

@ -20,6 +20,12 @@ from synapse.api.errors import SynapseError
from synapse.streams.config import PaginationConfig
from synapse.rest.base import RestServlet, client_path_pattern
import logging
logger = logging.getLogger(__name__)
class EventStreamRestServlet(RestServlet):
PATTERN = client_path_pattern("/events$")
@ -29,18 +35,22 @@ class EventStreamRestServlet(RestServlet):
@defer.inlineCallbacks
def on_GET(self, request):
auth_user = yield self.auth.get_user_by_req(request)
try:
handler = self.handlers.event_stream_handler
pagin_config = PaginationConfig.from_request(request)
timeout = EventStreamRestServlet.DEFAULT_LONGPOLL_TIME_MS
if "timeout" in request.args:
try:
timeout = int(request.args["timeout"][0])
except ValueError:
raise SynapseError(400, "timeout must be in milliseconds.")
handler = self.handlers.event_stream_handler
pagin_config = PaginationConfig.from_request(request)
timeout = EventStreamRestServlet.DEFAULT_LONGPOLL_TIME_MS
if "timeout" in request.args:
try:
timeout = int(request.args["timeout"][0])
except ValueError:
raise SynapseError(400, "timeout must be in milliseconds.")
chunk = yield handler.get_stream(auth_user.to_string(), pagin_config,
timeout=timeout)
chunk = yield handler.get_stream(
auth_user.to_string(), pagin_config, timeout=timeout
)
except:
logger.exception("Event stream failed")
raise
defer.returnValue((200, chunk))

View File

@ -138,7 +138,7 @@ class RoomStateEventRestServlet(RestServlet):
raise SynapseError(
404, "Event not found.", errcode=Codes.NOT_FOUND
)
defer.returnValue((200, data[0].get_dict()["content"]))
defer.returnValue((200, data.get_dict()["content"]))
@defer.inlineCallbacks
def on_PUT(self, request, room_id, event_type, state_key):
@ -148,12 +148,15 @@ class RoomStateEventRestServlet(RestServlet):
content = _parse_json(request)
event = self.event_factory.create_event(
etype=event_type,
etype=urllib.unquote(event_type),
content=content,
room_id=urllib.unquote(room_id),
user_id=user.to_string(),
state_key=urllib.unquote(state_key)
)
self.validator.validate(event)
if event_type == RoomMemberEvent.TYPE:
# membership events are special
handler = self.handlers.room_member_handler
@ -182,12 +185,14 @@ class RoomSendEventRestServlet(RestServlet):
content = _parse_json(request)
event = self.event_factory.create_event(
etype=event_type,
etype=urllib.unquote(event_type),
room_id=urllib.unquote(room_id),
user_id=user.to_string(),
content=content
)
self.validator.validate(event)
msg_handler = self.handlers.message_handler
yield msg_handler.send_message(event)
@ -253,6 +258,9 @@ class JoinRoomAliasServlet(RestServlet):
user_id=user.to_string(),
state_key=user.to_string()
)
self.validator.validate(event)
handler = self.handlers.room_member_handler
yield handler.change_membership(event)
defer.returnValue((200, {}))
@ -353,27 +361,14 @@ class RoomInitialSyncRestServlet(RestServlet):
@defer.inlineCallbacks
def on_GET(self, request, room_id):
yield self.auth.get_user_by_req(request)
# TODO: Get all the initial sync data for this room and return in the
# same format as initial sync, that is:
# {
# membership: join,
# messages: [
# chunk: [ msg events ],
# start: s_tok,
# end: e_tok
# ],
# room_id: foo,
# state: [
# { state event } , { state event }
# ]
# }
# Probably worth keeping the keys room_id and membership for parity
# with /initialSync even though they must be joined to sync this and
# know the room ID, so clients can reuse the same code (room_id and
# membership are MANDATORY for /initialSync, so the code will expect
# it to be there)
defer.returnValue((200, {}))
user = yield self.auth.get_user_by_req(request)
pagination_config = PaginationConfig.from_request(request)
content = yield self.handlers.message_handler.room_initial_sync(
room_id=urllib.unquote(room_id),
user_id=user.to_string(),
pagin_config=pagination_config,
)
defer.returnValue((200, content))
class RoomTriggerBackfill(RestServlet):
@ -424,6 +419,9 @@ class RoomMembershipRestServlet(RestServlet):
user_id=user.to_string(),
state_key=state_key
)
self.validator.validate(event)
handler = self.handlers.room_member_handler
yield handler.change_membership(event)
defer.returnValue((200, {}))
@ -458,9 +456,11 @@ class RoomRedactEventRestServlet(RestServlet):
room_id=urllib.unquote(room_id),
user_id=user.to_string(),
content=content,
redacts=event_id,
redacts=urllib.unquote(event_id),
)
self.validator.validate(event)
msg_handler = self.handlers.message_handler
yield msg_handler.send_message(event)

View File

@ -22,13 +22,14 @@
from synapse.federation import initialize_http_replication
from synapse.api.events import serialize_event
from synapse.api.events.factory import EventFactory
from synapse.api.events.validator import EventValidator
from synapse.notifier import Notifier
from synapse.api.auth import Auth
from synapse.handlers import Handlers
from synapse.rest import RestServletFactory
from synapse.state import StateHandler
from synapse.storage import DataStore
from synapse.types import UserID, RoomAlias, RoomID
from synapse.types import UserID, RoomAlias, RoomID, EventID
from synapse.util import Clock
from synapse.util.distributor import Distributor
from synapse.util.lockutils import LockManager
@ -80,6 +81,7 @@ class BaseHomeServer(object):
'event_sources',
'ratelimiter',
'keyring',
'event_validator',
]
def __init__(self, hostname, **kwargs):
@ -143,6 +145,11 @@ class BaseHomeServer(object):
object."""
return RoomID.from_string(s, hs=self)
def parse_eventid(self, s):
"""Parse the string given by 's' as a Event ID and return a EventID
object."""
return EventID.from_string(s, hs=self)
def serialize_event(self, e):
return serialize_event(self, e)
@ -218,6 +225,9 @@ class HomeServer(BaseHomeServer):
def build_keyring(self):
return Keyring(self)
def build_event_validator(self):
return EventValidator(self)
def register_servlets(self):
""" Register all servlets associated with this HomeServer.
"""

View File

@ -16,11 +16,13 @@
from twisted.internet import defer
from synapse.federation.pdu_codec import encode_event_id, decode_event_id
from synapse.util.logutils import log_function
from synapse.util.async import run_on_reactor
from synapse.api.events.room import RoomPowerLevelsEvent
from collections import namedtuple
import copy
import logging
import hashlib
@ -35,230 +37,204 @@ KeyStateTuple = namedtuple("KeyStateTuple", ("context", "type", "state_key"))
class StateHandler(object):
""" Repsonsible for doing state conflict resolution.
""" Responsible for doing state conflict resolution.
"""
def __init__(self, hs):
self.store = hs.get_datastore()
self._replication = hs.get_replication_layer()
self.server_name = hs.hostname
@defer.inlineCallbacks
@log_function
def handle_new_event(self, event, snapshot):
""" Given an event this works out if a) we have sufficient power level
to update the state and b) works out what the prev_state should be.
def annotate_event_with_state(self, event, old_state=None):
""" Annotates the event with the current state events as of that event.
Returns:
Deferred: Resolved with a boolean indicating if we succesfully
updated the state.
This method adds three new attributes to the event:
* `state_events`: The state up to and including the event. Encoded
as a dict mapping tuple (type, state_key) -> event.
* `old_state_events`: The state up to, but excluding, the event.
Encoded similarly as `state_events`.
* `state_group`: If there is an existing state group that can be
used, then return that. Otherwise return `None`. See state
storage for more information.
Raised:
AuthError
If the argument `old_state` is given (in the form of a list of
events), then they are used as a the values for `old_state_events` and
the value for `state_events` is generated from it. `state_group` is
set to None.
This needs to be called before persisting the event.
"""
# This needs to be done in a transaction.
yield run_on_reactor()
if not hasattr(event, "state_key"):
if old_state:
event.state_group = None
event.old_state_events = {
(s.type, s.state_key): s for s in old_state
}
event.state_events = event.old_state_events
if hasattr(event, "state_key"):
event.state_events[(event.type, event.state_key)] = event
defer.returnValue(False)
return
key = KeyStateTuple(
event.room_id,
event.type,
_get_state_key_from_event(event)
)
if hasattr(event, "outlier") and event.outlier:
event.state_group = None
event.old_state_events = None
event.state_events = {}
defer.returnValue(False)
return
# Now I need to fill out the prev state and work out if it has auth
# (w.r.t. to power levels)
ids = [e for e, _ in event.prev_events]
snapshot.fill_out_prev_events(event)
ret = yield self.resolve_state_groups(ids)
state_group, new_state = ret
event.prev_events = [
e for e in event.prev_events if e != event.event_id
event.old_state_events = copy.deepcopy(new_state)
if hasattr(event, "state_key"):
key = (event.type, event.state_key)
if key in new_state:
event.replaces_state = new_state[key].event_id
new_state[key] = event
elif state_group:
event.state_group = state_group
event.state_events = new_state
defer.returnValue(False)
event.state_group = None
event.state_events = new_state
defer.returnValue(hasattr(event, "state_key"))
@defer.inlineCallbacks
def get_current_state(self, room_id, event_type=None, state_key=""):
""" Returns the current state for the room as a list. This is done by
calling `get_latest_events_in_room` to get the leading edges of the
event graph and then resolving any of the state conflicts.
This is equivalent to getting the state of an event that were to send
next before receiving any new events.
If `event_type` is specified, then the method returns only the one
event (or None) with that `event_type` and `state_key`.
"""
events = yield self.store.get_latest_events_in_room(room_id)
event_ids = [
e_id
for e_id, _, _ in events
]
current_state = snapshot.prev_state_pdu
res = yield self.resolve_state_groups(event_ids)
if current_state:
event.prev_state = encode_event_id(
current_state.pdu_id, current_state.origin
)
# TODO check current_state to see if the min power level is less
# than the power level of the user
# power_level = self._get_power_level_for_event(event)
pdu_id, origin = decode_event_id(event.event_id, self.server_name)
yield self.store.update_current_state(
pdu_id=pdu_id,
origin=origin,
context=key.context,
pdu_type=key.type,
state_key=key.state_key
)
defer.returnValue(True)
@defer.inlineCallbacks
@log_function
def handle_new_state(self, new_pdu):
""" Apply conflict resolution to `new_pdu`.
This should be called on every new state pdu, regardless of whether or
not there is a conflict.
This function is safe against the race of it getting called with two
`PDU`s trying to update the same state.
"""
# This needs to be done in a transaction.
is_new = yield self._handle_new_state(new_pdu)
logger.debug("is_new: %s %s %s", is_new, new_pdu.pdu_id, new_pdu.origin)
if is_new:
yield self.store.update_current_state(
pdu_id=new_pdu.pdu_id,
origin=new_pdu.origin,
context=new_pdu.context,
pdu_type=new_pdu.pdu_type,
state_key=new_pdu.state_key
)
defer.returnValue(is_new)
def _get_power_level_for_event(self, event):
# return self._persistence.get_power_level_for_user(event.room_id,
# event.sender)
return event.power_level
@defer.inlineCallbacks
@log_function
def _handle_new_state(self, new_pdu):
tree, missing_branch = yield self.store.get_unresolved_state_tree(
new_pdu
)
new_branch, current_branch = tree
logger.debug(
"_handle_new_state new=%s, current=%s",
new_branch, current_branch
)
if missing_branch is not None:
# We're missing some PDUs. Fetch them.
# TODO (erikj): Limit this.
missing_prev = tree[missing_branch][-1]
pdu_id = missing_prev.prev_state_id
origin = missing_prev.prev_state_origin
is_missing = yield self.store.get_pdu(pdu_id, origin) is None
if not is_missing:
raise Exception("Conflict resolution failed")
yield self._replication.get_pdu(
destination=missing_prev.origin,
pdu_origin=origin,
pdu_id=pdu_id,
outlier=True
)
updated_current = yield self._handle_new_state(new_pdu)
defer.returnValue(updated_current)
if not current_branch:
# There is no current state
defer.returnValue(True)
if event_type:
defer.returnValue(res[1].get((event_type, state_key)))
return
n = new_branch[-1]
c = current_branch[-1]
defer.returnValue(res[1].values())
common_ancestor = n.pdu_id == c.pdu_id and n.origin == c.origin
@defer.inlineCallbacks
@log_function
def resolve_state_groups(self, event_ids):
""" Given a list of event_ids this method fetches the state at each
event, resolves conflicts between them and returns them.
if common_ancestor:
# We found a common ancestor!
Return format is a tuple: (`state_group`, `state_events`), where the
first is the name of a state group if one and only one is involved,
otherwise `None`.
"""
state_groups = yield self.store.get_state_groups(
event_ids
)
if len(current_branch) == 1:
# This is a direct clobber so we can just...
defer.returnValue(True)
group_names = set(state_groups.keys())
if len(group_names) == 1:
name, state_list = state_groups.items().pop()
state = {
(e.type, e.state_key): e
for e in state_list
}
defer.returnValue((name, state))
state = {}
for group, g_state in state_groups.items():
for s in g_state:
state.setdefault(
(s.type, s.state_key),
{}
)[s.event_id] = s
unconflicted_state = {
k: v.values()[0] for k, v in state.items()
if len(v.values()) == 1
}
conflicted_state = {
k: v.values()
for k, v in state.items()
if len(v.values()) > 1
}
try:
new_state = {}
new_state.update(unconflicted_state)
for key, events in conflicted_state.items():
new_state[key] = self._resolve_state_events(events)
except:
logger.exception("Failed to resolve state")
raise
defer.returnValue((None, new_state))
def _get_power_level_from_event_state(self, event, user_id):
if hasattr(event, "old_state_events") and event.old_state_events:
key = (RoomPowerLevelsEvent.TYPE, "", )
power_level_event = event.old_state_events.get(key)
level = None
if power_level_event:
level = power_level_event.content.get("users", {}).get(
user_id
)
if not level:
level = power_level_event.content.get("users_default", 0)
return level
else:
# We didn't find a common ancestor. This is probably fine.
pass
return 0
result = yield self._do_conflict_res(
new_branch, current_branch, common_ancestor
)
defer.returnValue(result)
@log_function
def _resolve_state_events(self, events):
curr_events = events
@defer.inlineCallbacks
def _do_conflict_res(self, new_branch, current_branch, common_ancestor):
conflict_res = [
self._do_power_level_conflict_res,
self._do_chain_length_conflict_res,
self._do_hash_conflict_res,
new_powers = [
self._get_power_level_from_event_state(e, e.user_id)
for e in curr_events
]
for algo in conflict_res:
new_res, curr_res = yield defer.maybeDeferred(
algo,
new_branch, current_branch, common_ancestor
)
new_powers = [
int(p) if p else 0 for p in new_powers
]
if new_res < curr_res:
defer.returnValue(False)
elif new_res > curr_res:
defer.returnValue(True)
max_power = max(new_powers)
raise Exception("Conflict resolution failed.")
curr_events = [
z[0] for z in zip(curr_events, new_powers)
if z[1] == max_power
]
@defer.inlineCallbacks
def _do_power_level_conflict_res(self, new_branch, current_branch,
common_ancestor):
new_powers_deferreds = []
for e in new_branch[:-1] if common_ancestor else new_branch:
if hasattr(e, "user_id"):
new_powers_deferreds.append(
self.store.get_power_level(e.context, e.user_id)
)
current_powers_deferreds = []
for e in current_branch[:-1] if common_ancestor else current_branch:
if hasattr(e, "user_id"):
current_powers_deferreds.append(
self.store.get_power_level(e.context, e.user_id)
)
new_powers = yield defer.gatherResults(
new_powers_deferreds,
consumeErrors=True
)
current_powers = yield defer.gatherResults(
current_powers_deferreds,
consumeErrors=True
)
max_power_new = max(new_powers)
max_power_current = max(current_powers)
defer.returnValue(
(max_power_new, max_power_current)
)
def _do_chain_length_conflict_res(self, new_branch, current_branch,
common_ancestor):
return (len(new_branch), len(current_branch))
def _do_hash_conflict_res(self, new_branch, current_branch,
common_ancestor):
new_str = "".join([p.pdu_id + p.origin for p in new_branch])
c_str = "".join([p.pdu_id + p.origin for p in current_branch])
if not curr_events:
raise RuntimeError("Max didn't get a max?")
elif len(curr_events) == 1:
return curr_events[0]
# TODO: For now, just choose the one with the largest event_id.
return (
hashlib.sha1(new_str).hexdigest(),
hashlib.sha1(c_str).hexdigest()
sorted(
curr_events,
key=lambda e: hashlib.sha1(
e.event_id + e.user_id + e.room_id + e.type
).hexdigest()
)[0]
)

View File

@ -16,14 +16,7 @@
from twisted.internet import defer
from synapse.api.events.room import (
RoomMemberEvent, RoomTopicEvent, FeedbackEvent,
# RoomConfigEvent,
RoomNameEvent,
RoomJoinRulesEvent,
RoomPowerLevelsEvent,
RoomAddStateLevelEvent,
RoomSendEventLevelEvent,
RoomOpsPowerLevelsEvent,
RoomMemberEvent, RoomTopicEvent, FeedbackEvent, RoomNameEvent,
RoomRedactionEvent,
)
@ -37,9 +30,17 @@ from .registration import RegistrationStore
from .room import RoomStore
from .roommember import RoomMemberStore
from .stream import StreamStore
from .pdu import StatePduStore, PduStore, PdusTable
from .transactions import TransactionStore
from .keys import KeyStore
from .event_federation import EventFederationStore
from .state import StateStore
from .signatures import SignatureStore
from syutil.base64util import decode_base64
from synapse.crypto.event_signing import compute_event_reference_hash
import json
import logging
@ -51,7 +52,6 @@ logger = logging.getLogger(__name__)
SCHEMAS = [
"transactions",
"pdu",
"users",
"profiles",
"presence",
@ -59,12 +59,15 @@ SCHEMAS = [
"room_aliases",
"keys",
"redactions",
"state",
"event_edges",
"event_signatures",
]
# Remember to update this number every time an incompatible change is made to
# database schema files, so the users will be informed on server restarts.
SCHEMA_VERSION = 6
SCHEMA_VERSION = 7
class _RollbackButIsFineException(Exception):
@ -73,10 +76,12 @@ class _RollbackButIsFineException(Exception):
"""
pass
class DataStore(RoomMemberStore, RoomStore,
RegistrationStore, StreamStore, ProfileStore, FeedbackStore,
PresenceStore, PduStore, StatePduStore, TransactionStore,
DirectoryStore, KeyStore):
PresenceStore, TransactionStore,
DirectoryStore, KeyStore, StateStore, SignatureStore,
EventFederationStore, ):
def __init__(self, hs):
super(DataStore, self).__init__(hs)
@ -88,8 +93,7 @@ class DataStore(RoomMemberStore, RoomStore,
@defer.inlineCallbacks
@log_function
def persist_event(self, event=None, backfilled=False, pdu=None,
is_new_state=True):
def persist_event(self, event, backfilled=False, is_new_state=True):
stream_ordering = None
if backfilled:
if not self.min_token_deferred.called:
@ -99,8 +103,8 @@ class DataStore(RoomMemberStore, RoomStore,
try:
yield self.runInteraction(
self._persist_pdu_event_txn,
pdu=pdu,
"persist_event",
self._persist_event_txn,
event=event,
backfilled=backfilled,
stream_ordering=stream_ordering,
@ -119,7 +123,8 @@ class DataStore(RoomMemberStore, RoomStore,
"type",
"room_id",
"content",
"unrecognized_keys"
"unrecognized_keys",
"depth",
],
allow_none=allow_none,
)
@ -127,44 +132,8 @@ class DataStore(RoomMemberStore, RoomStore,
if not events_dict:
defer.returnValue(None)
event = self._parse_event_from_row(events_dict)
defer.returnValue(event)
def _persist_pdu_event_txn(self, txn, pdu=None, event=None,
backfilled=False, stream_ordering=None,
is_new_state=True):
if pdu is not None:
self._persist_event_pdu_txn(txn, pdu)
if event is not None:
return self._persist_event_txn(
txn, event, backfilled, stream_ordering,
is_new_state=is_new_state,
)
def _persist_event_pdu_txn(self, txn, pdu):
cols = dict(pdu.__dict__)
unrec_keys = dict(pdu.unrecognized_keys)
del cols["content"]
del cols["prev_pdus"]
cols["content_json"] = json.dumps(pdu.content)
unrec_keys.update({
k: v for k, v in cols.items()
if k not in PdusTable.fields
})
cols["unrecognized_keys"] = json.dumps(unrec_keys)
cols["ts"] = cols.pop("origin_server_ts")
logger.debug("Persisting: %s", repr(cols))
if pdu.is_state:
self._persist_state_txn(txn, pdu.prev_pdus, cols)
else:
self._persist_pdu_txn(txn, pdu.prev_pdus, cols)
self._update_min_depth_for_context_txn(txn, pdu.context, pdu.depth)
event = yield self._parse_events([events_dict])
defer.returnValue(event[0])
@log_function
def _persist_event_txn(self, txn, event, backfilled, stream_ordering=None,
@ -177,19 +146,13 @@ class DataStore(RoomMemberStore, RoomStore,
self._store_room_name_txn(txn, event)
elif event.type == RoomTopicEvent.TYPE:
self._store_room_topic_txn(txn, event)
elif event.type == RoomJoinRulesEvent.TYPE:
self._store_join_rule(txn, event)
elif event.type == RoomPowerLevelsEvent.TYPE:
self._store_power_levels(txn, event)
elif event.type == RoomAddStateLevelEvent.TYPE:
self._store_add_state_level(txn, event)
elif event.type == RoomSendEventLevelEvent.TYPE:
self._store_send_event_level(txn, event)
elif event.type == RoomOpsPowerLevelsEvent.TYPE:
self._store_ops_level(txn, event)
elif event.type == RoomRedactionEvent.TYPE:
self._store_redaction(txn, event)
outlier = False
if hasattr(event, "outlier"):
outlier = event.outlier
vals = {
"topological_ordering": event.depth,
"event_id": event.event_id,
@ -197,25 +160,34 @@ class DataStore(RoomMemberStore, RoomStore,
"room_id": event.room_id,
"content": json.dumps(event.content),
"processed": True,
"outlier": outlier,
"depth": event.depth,
}
if stream_ordering is not None:
vals["stream_ordering"] = stream_ordering
if hasattr(event, "outlier"):
vals["outlier"] = event.outlier
else:
vals["outlier"] = False
unrec = {
k: v
for k, v in event.get_full_dict().items()
if k not in vals.keys() and k not in ["redacted", "redacted_because"]
if k not in vals.keys() and k not in [
"redacted",
"redacted_because",
"signatures",
"hashes",
"prev_events",
]
}
vals["unrecognized_keys"] = json.dumps(unrec)
try:
self._simple_insert_txn(txn, "events", vals)
self._simple_insert_txn(
txn,
"events",
vals,
or_replace=(not outlier),
or_ignore=bool(outlier),
)
except:
logger.warn(
"Failed to persist, probably duplicate: %s",
@ -224,6 +196,16 @@ class DataStore(RoomMemberStore, RoomStore,
)
raise _RollbackButIsFineException("_persist_event")
self._handle_prev_events(
txn,
outlier=outlier,
event_id=event.event_id,
prev_events=event.prev_events,
room_id=event.room_id,
)
self._store_state_groups_txn(txn, event)
is_state = hasattr(event, "state_key") and event.state_key is not None
if is_new_state and is_state:
vals = {
@ -233,10 +215,15 @@ class DataStore(RoomMemberStore, RoomStore,
"state_key": event.state_key,
}
if hasattr(event, "prev_state"):
vals["prev_state"] = event.prev_state
if hasattr(event, "replaces_state"):
vals["prev_state"] = event.replaces_state
self._simple_insert_txn(txn, "state_events", vals)
self._simple_insert_txn(
txn,
"state_events",
vals,
or_replace=True,
)
self._simple_insert_txn(
txn,
@ -246,9 +233,87 @@ class DataStore(RoomMemberStore, RoomStore,
"room_id": event.room_id,
"type": event.type,
"state_key": event.state_key,
}
},
or_replace=True,
)
for e_id, h in event.prev_state:
self._simple_insert_txn(
txn,
table="event_edges",
values={
"event_id": event.event_id,
"prev_event_id": e_id,
"room_id": event.room_id,
"is_state": 1,
},
or_ignore=True,
)
if not backfilled:
self._simple_insert_txn(
txn,
table="state_forward_extremities",
values={
"event_id": event.event_id,
"room_id": event.room_id,
"type": event.type,
"state_key": event.state_key,
},
or_replace=True,
)
for prev_state_id, _ in event.prev_state:
self._simple_delete_txn(
txn,
table="state_forward_extremities",
keyvalues={
"event_id": prev_state_id,
}
)
for hash_alg, hash_base64 in event.hashes.items():
hash_bytes = decode_base64(hash_base64)
self._store_event_content_hash_txn(
txn, event.event_id, hash_alg, hash_bytes,
)
if hasattr(event, "signatures"):
logger.debug("sigs: %s", event.signatures)
for name, sigs in event.signatures.items():
for key_id, signature_base64 in sigs.items():
signature_bytes = decode_base64(signature_base64)
self._store_event_signature_txn(
txn, event.event_id, name, key_id,
signature_bytes,
)
for prev_event_id, prev_hashes in event.prev_events:
for alg, hash_base64 in prev_hashes.items():
hash_bytes = decode_base64(hash_base64)
self._store_prev_event_hash_txn(
txn, event.event_id, prev_event_id, alg, hash_bytes
)
for auth_id, _ in event.auth_events:
self._simple_insert_txn(
txn,
table="event_auth",
values={
"event_id": event.event_id,
"room_id": event.room_id,
"auth_id": auth_id,
},
or_ignore=True,
)
(ref_alg, ref_hash_bytes) = compute_event_reference_hash(event)
self._store_event_reference_hash_txn(
txn, event.event_id, ref_alg, ref_hash_bytes
)
self._update_min_depth_for_room_txn(txn, event.room_id, event.depth)
def _store_redaction(self, txn, event):
txn.execute(
"INSERT OR IGNORE INTO redactions "
@ -319,7 +384,7 @@ class DataStore(RoomMemberStore, RoomStore,
],
)
def snapshot_room(self, room_id, user_id, state_type=None, state_key=None):
def snapshot_room(self, event):
"""Snapshot the room for an update by a user
Args:
room_id (synapse.types.RoomId): The room to snapshot.
@ -330,29 +395,33 @@ class DataStore(RoomMemberStore, RoomStore,
synapse.storage.Snapshot: A snapshot of the state of the room.
"""
def _snapshot(txn):
membership_state = self._get_room_member(txn, user_id, room_id)
prev_pdus = self._get_latest_pdus_in_context(
txn, room_id
prev_events = self._get_latest_events_in_room(
txn,
event.room_id
)
if state_type is not None and state_key is not None:
prev_state_pdu = self._get_current_state_pdu(
txn, room_id, state_type, state_key
prev_state = None
state_key = None
if hasattr(event, "state_key"):
state_key = event.state_key
prev_state = self._get_latest_state_in_room(
txn,
event.room_id,
type=event.type,
state_key=state_key,
)
else:
prev_state_pdu = None
return Snapshot(
store=self,
room_id=room_id,
user_id=user_id,
prev_pdus=prev_pdus,
membership_state=membership_state,
state_type=state_type,
room_id=event.room_id,
user_id=event.user_id,
prev_events=prev_events,
prev_state=prev_state,
state_type=event.type,
state_key=state_key,
prev_state_pdu=prev_state_pdu,
)
return self.runInteraction(_snapshot)
return self.runInteraction("snapshot_room", _snapshot)
class Snapshot(object):
@ -361,7 +430,7 @@ class Snapshot(object):
store (DataStore): The datastore.
room_id (RoomId): The room of the snapshot.
user_id (UserId): The user this snapshot is for.
prev_pdus (list): The list of PDU ids this snapshot is after.
prev_events (list): The list of event ids this snapshot is after.
membership_state (RoomMemberEvent): The current state of the user in
the room.
state_type (str, optional): State type captured by the snapshot
@ -370,32 +439,30 @@ class Snapshot(object):
the previous value of the state type and key in the room.
"""
def __init__(self, store, room_id, user_id, prev_pdus,
membership_state, state_type=None, state_key=None,
prev_state_pdu=None):
def __init__(self, store, room_id, user_id, prev_events,
prev_state, state_type=None, state_key=None):
self.store = store
self.room_id = room_id
self.user_id = user_id
self.prev_pdus = prev_pdus
self.membership_state = membership_state
self.prev_events = prev_events
self.prev_state = prev_state
self.state_type = state_type
self.state_key = state_key
self.prev_state_pdu = prev_state_pdu
def fill_out_prev_events(self, event):
if hasattr(event, "prev_events"):
return
if not hasattr(event, "prev_events"):
event.prev_events = [
(event_id, hashes)
for event_id, hashes, _ in self.prev_events
]
es = [
"%s@%s" % (p_id, origin) for p_id, origin, _ in self.prev_pdus
]
if self.prev_events:
event.depth = max([int(v) for _, _, v in self.prev_events]) + 1
else:
event.depth = 0
event.prev_events = [e for e in es if e != event.event_id]
if self.prev_pdus:
event.depth = max([int(v) for _, _, v in self.prev_pdus]) + 1
else:
event.depth = 0
if not hasattr(event, "prev_state") and self.prev_state is not None:
event.prev_state = self.prev_state
def schema_path(schema):
@ -436,11 +503,13 @@ def prepare_database(db_conn):
user_version = row[0]
if user_version > SCHEMA_VERSION:
raise ValueError("Cannot use this database as it is too " +
raise ValueError(
"Cannot use this database as it is too " +
"new for the server to understand"
)
elif user_version < SCHEMA_VERSION:
logging.info("Upgrading database from version %d",
logging.info(
"Upgrading database from version %d",
user_version
)
@ -452,13 +521,13 @@ def prepare_database(db_conn):
db_conn.commit()
else:
sql_script = "BEGIN TRANSACTION;"
sql_script = "BEGIN TRANSACTION;\n"
for sql_loc in SCHEMAS:
sql_script += read_schema(sql_loc)
sql_script += "\n"
sql_script += "COMMIT TRANSACTION;"
c.executescript(sql_script)
db_conn.commit()
c.execute("PRAGMA user_version = %d" % SCHEMA_VERSION)
c.close()

View File

@ -14,59 +14,72 @@
# limitations under the License.
import logging
from twisted.internet import defer
from synapse.api.errors import StoreError
from synapse.api.events.utils import prune_event
from synapse.util.logutils import log_function
from synapse.util.logcontext import PreserveLoggingContext, LoggingContext
from syutil.base64util import encode_base64
from twisted.internet import defer
import collections
import copy
import json
import sys
import time
logger = logging.getLogger(__name__)
sql_logger = logging.getLogger("synapse.storage.SQL")
transaction_logger = logging.getLogger("synapse.storage.txn")
class LoggingTransaction(object):
"""An object that almost-transparently proxies for the 'txn' object
passed to the constructor. Adds logging to the .execute() method."""
__slots__ = ["txn"]
__slots__ = ["txn", "name"]
def __init__(self, txn):
def __init__(self, txn, name):
object.__setattr__(self, "txn", txn)
object.__setattr__(self, "name", name)
def __getattribute__(self, name):
if name == "execute":
return object.__getattribute__(self, "execute")
return getattr(object.__getattribute__(self, "txn"), name)
def __getattr__(self, name):
return getattr(self.txn, name)
def __setattr__(self, name, value):
setattr(object.__getattribute__(self, "txn"), name, value)
setattr(self.txn, name, value)
def execute(self, sql, *args, **kwargs):
# TODO(paul): Maybe use 'info' and 'debug' for values?
sql_logger.debug("[SQL] %s", sql)
sql_logger.debug("[SQL] {%s} %s", self.name, sql)
try:
if args and args[0]:
values = args[0]
sql_logger.debug("[SQL values] " +
", ".join(("<%s>",) * len(values)), *values)
sql_logger.debug(
"[SQL values] {%s} " + ", ".join(("<%s>",) * len(values)),
self.name,
*values
)
except:
# Don't let logging failures stop SQL from working
pass
# TODO(paul): Here would be an excellent place to put some timing
# measurements, and log (warning?) slow queries.
return object.__getattribute__(self, "txn").execute(
sql, *args, **kwargs
)
start = time.clock() * 1000
try:
return self.txn.execute(
sql, *args, **kwargs
)
except:
logger.exception("[SQL FAIL] {%s}", self.name)
raise
finally:
end = time.clock() * 1000
sql_logger.debug("[SQL time] {%s} %f", self.name, end - start)
class SQLBaseStore(object):
_TXN_ID = 0
def __init__(self, hs):
self.hs = hs
@ -74,12 +87,40 @@ class SQLBaseStore(object):
self.event_factory = hs.get_event_factory()
self._clock = hs.get_clock()
def runInteraction(self, func, *args, **kwargs):
@defer.inlineCallbacks
def runInteraction(self, desc, func, *args, **kwargs):
"""Wraps the .runInteraction() method on the underlying db_pool."""
current_context = LoggingContext.current_context()
def inner_func(txn, *args, **kwargs):
return func(LoggingTransaction(txn), *args, **kwargs)
with LoggingContext("runInteraction") as context:
current_context.copy_to(context)
start = time.clock() * 1000
txn_id = SQLBaseStore._TXN_ID
return self._db_pool.runInteraction(inner_func, *args, **kwargs)
# We don't really need these to be unique, so lets stop it from
# growing really large.
self._TXN_ID = (self._TXN_ID + 1) % (sys.maxint - 1)
name = "%s-%x" % (desc, txn_id, )
transaction_logger.debug("[TXN START] {%s}", name)
try:
return func(LoggingTransaction(txn, name), *args, **kwargs)
except:
logger.exception("[TXN FAIL] {%s}", name)
raise
finally:
end = time.clock() * 1000
transaction_logger.debug(
"[TXN END] {%s} %f",
name, end - start
)
with PreserveLoggingContext():
result = yield self._db_pool.runInteraction(
inner_func, *args, **kwargs
)
defer.returnValue(result)
def cursor_to_dict(self, cursor):
"""Converts a SQL cursor into an list of dicts.
@ -113,7 +154,7 @@ class SQLBaseStore(object):
else:
return cursor.fetchall()
return self.runInteraction(interaction)
return self.runInteraction("_execute", interaction)
def _execute_and_decode(self, query, *args):
return self._execute(self.cursor_to_dict, query, *args)
@ -130,6 +171,7 @@ class SQLBaseStore(object):
or_replace : bool; if True performs an INSERT OR REPLACE
"""
return self.runInteraction(
"_simple_insert",
self._simple_insert_txn, table, values, or_replace=or_replace,
or_ignore=or_ignore,
)
@ -146,7 +188,7 @@ class SQLBaseStore(object):
)
logger.debug(
"[SQL] %s Args=%s Func=%s",
"[SQL] %s Args=%s",
sql, values.values(),
)
@ -170,7 +212,6 @@ class SQLBaseStore(object):
table, keyvalues, retcols=retcols, allow_none=allow_none
)
@defer.inlineCallbacks
def _simple_select_one_onecol(self, table, keyvalues, retcol,
allow_none=False):
"""Executes a SELECT query on the named table, which is expected to
@ -181,19 +222,40 @@ class SQLBaseStore(object):
keyvalues : dict of column names and values to select the row with
retcol : string giving the name of the column to return
"""
ret = yield self._simple_select_one(
return self.runInteraction(
"_simple_select_one_onecol",
self._simple_select_one_onecol_txn,
table, keyvalues, retcol, allow_none=allow_none,
)
def _simple_select_one_onecol_txn(self, txn, table, keyvalues, retcol,
allow_none=False):
ret = self._simple_select_onecol_txn(
txn,
table=table,
keyvalues=keyvalues,
retcols=[retcol],
allow_none=allow_none
retcol=retcol,
)
if ret:
defer.returnValue(ret[retcol])
return ret[0]
else:
defer.returnValue(None)
if allow_none:
return None
else:
raise StoreError(404, "No row found")
def _simple_select_onecol_txn(self, txn, table, keyvalues, retcol):
sql = "SELECT %(retcol)s FROM %(table)s WHERE %(where)s" % {
"retcol": retcol,
"table": table,
"where": " AND ".join("%s = ?" % k for k in keyvalues.keys()),
}
txn.execute(sql, keyvalues.values())
return [r[0] for r in txn.fetchall()]
@defer.inlineCallbacks
def _simple_select_onecol(self, table, keyvalues, retcol):
"""Executes a SELECT query on the named table, which returns a list
comprising of the values of the named column from the selected rows.
@ -206,19 +268,11 @@ class SQLBaseStore(object):
Returns:
Deferred: Results in a list
"""
sql = "SELECT %(retcol)s FROM %(table)s WHERE %(where)s" % {
"retcol": retcol,
"table": table,
"where": " AND ".join("%s = ?" % k for k in keyvalues.keys()),
}
def func(txn):
txn.execute(sql, keyvalues.values())
return txn.fetchall()
res = yield self.runInteraction(func)
defer.returnValue([r[0] for r in res])
return self.runInteraction(
"_simple_select_onecol",
self._simple_select_onecol_txn,
table, keyvalues, retcol
)
def _simple_select_list(self, table, keyvalues, retcols):
"""Executes a SELECT query on the named table, which may return zero or
@ -229,17 +283,30 @@ class SQLBaseStore(object):
keyvalues : dict of column names and values to select the rows with
retcols : list of strings giving the names of the columns to return
"""
return self.runInteraction(
"_simple_select_list",
self._simple_select_list_txn,
table, keyvalues, retcols
)
def _simple_select_list_txn(self, txn, table, keyvalues, retcols):
"""Executes a SELECT query on the named table, which may return zero or
more rows, returning the result as a list of dicts.
Args:
txn : Transaction object
table : string giving the table name
keyvalues : dict of column names and values to select the rows with
retcols : list of strings giving the names of the columns to return
"""
sql = "SELECT %s FROM %s WHERE %s" % (
", ".join(retcols),
table,
" AND ".join("%s = ?" % (k) for k in keyvalues)
" AND ".join("%s = ?" % (k, ) for k in keyvalues)
)
def func(txn):
txn.execute(sql, keyvalues.values())
return self.cursor_to_dict(txn)
return self.runInteraction(func)
txn.execute(sql, keyvalues.values())
return self.cursor_to_dict(txn)
def _simple_update_one(self, table, keyvalues, updatevalues,
retcols=None):
@ -307,7 +374,7 @@ class SQLBaseStore(object):
raise StoreError(500, "More than one row matched")
return ret
return self.runInteraction(func)
return self.runInteraction("_simple_selectupdate_one", func)
def _simple_delete_one(self, table, keyvalues):
"""Executes a DELETE query on the named table, expecting to delete a
@ -319,7 +386,7 @@ class SQLBaseStore(object):
"""
sql = "DELETE FROM %s WHERE %s" % (
table,
" AND ".join("%s = ?" % (k) for k in keyvalues)
" AND ".join("%s = ?" % (k, ) for k in keyvalues)
)
def func(txn):
@ -328,7 +395,25 @@ class SQLBaseStore(object):
raise StoreError(404, "No row found")
if txn.rowcount > 1:
raise StoreError(500, "more than one row matched")
return self.runInteraction(func)
return self.runInteraction("_simple_delete_one", func)
def _simple_delete(self, table, keyvalues):
"""Executes a DELETE query on the named table.
Args:
table : string giving the table name
keyvalues : dict of column names and values to select the row with
"""
return self.runInteraction("_simple_delete", self._simple_delete_txn)
def _simple_delete_txn(self, txn, table, keyvalues):
sql = "DELETE FROM %s WHERE %s" % (
table,
" AND ".join("%s = ?" % (k, ) for k in keyvalues)
)
return txn.execute(sql, keyvalues.values())
def _simple_max_id(self, table):
"""Executes a SELECT query on the named table, expecting to return the
@ -346,7 +431,7 @@ class SQLBaseStore(object):
return 0
return max_id
return self.runInteraction(func)
return self.runInteraction("_simple_max_id", func)
def _parse_event_from_row(self, row_dict):
d = copy.deepcopy({k: v for k, v in row_dict.items()})
@ -355,6 +440,10 @@ class SQLBaseStore(object):
d.pop("topological_ordering", None)
d.pop("processed", None)
d["origin_server_ts"] = d.pop("ts", 0)
replaces_state = d.pop("prev_state", None)
if replaces_state:
d["replaces_state"] = replaces_state
d.update(json.loads(row_dict["unrecognized_keys"]))
d["content"] = json.loads(d["content"])
@ -369,23 +458,76 @@ class SQLBaseStore(object):
**d
)
def _get_events_txn(self, txn, event_ids):
# FIXME (erikj): This should be batched?
sql = "SELECT * FROM events WHERE event_id = ?"
event_rows = []
for e_id in event_ids:
c = txn.execute(sql, (e_id,))
event_rows.extend(self.cursor_to_dict(c))
return self._parse_events_txn(txn, event_rows)
def _parse_events(self, rows):
return self.runInteraction(self._parse_events_txn, rows)
return self.runInteraction(
"_parse_events", self._parse_events_txn, rows
)
def _parse_events_txn(self, txn, rows):
events = [self._parse_event_from_row(r) for r in rows]
sql = "SELECT * FROM events WHERE event_id = ?"
select_event_sql = "SELECT * FROM events WHERE event_id = ?"
for ev in events:
if hasattr(ev, "prev_state"):
# Load previous state_content.
# TODO: Should we be pulling this out above?
cursor = txn.execute(sql, (ev.prev_state,))
prevs = self.cursor_to_dict(cursor)
if prevs:
prev = self._parse_event_from_row(prevs[0])
ev.prev_content = prev.content
for i, ev in enumerate(events):
signatures = self._get_event_signatures_txn(
txn, ev.event_id,
)
ev.signatures = {
n: {
k: encode_base64(v) for k, v in s.items()
}
for n, s in signatures.items()
}
hashes = self._get_event_content_hashes_txn(
txn, ev.event_id,
)
ev.hashes = {
k: encode_base64(v) for k, v in hashes.items()
}
prevs = self._get_prev_events_and_state(txn, ev.event_id)
ev.prev_events = [
(e_id, h)
for e_id, h, is_state in prevs
if is_state == 0
]
ev.auth_events = self._get_auth_events(txn, ev.event_id)
if hasattr(ev, "state_key"):
ev.prev_state = [
(e_id, h)
for e_id, h, is_state in prevs
if is_state == 1
]
if hasattr(ev, "replaces_state"):
# Load previous state_content.
# FIXME (erikj): Handle multiple prev_states.
cursor = txn.execute(
select_event_sql,
(ev.replaces_state,)
)
prevs = self.cursor_to_dict(cursor)
if prevs:
prev = self._parse_event_from_row(prevs[0])
ev.prev_content = prev.content
if not hasattr(ev, "redacted"):
logger.debug("Doesn't have redacted key: %s", ev)
@ -393,15 +535,16 @@ class SQLBaseStore(object):
if ev.redacted:
# Get the redaction event.
sql = "SELECT * FROM events WHERE event_id = ?"
txn.execute(sql, (ev.redacted,))
select_event_sql = "SELECT * FROM events WHERE event_id = ?"
txn.execute(select_event_sql, (ev.redacted,))
del_evs = self._parse_events_txn(
txn, self.cursor_to_dict(txn)
)
if del_evs:
prune_event(ev)
ev = prune_event(ev)
events[i] = ev
ev.redacted_because = del_evs[0]
return events

View File

@ -14,10 +14,15 @@
# limitations under the License.
from ._base import SQLBaseStore
from synapse.api.errors import SynapseError
from twisted.internet import defer
from collections import namedtuple
import sqlite3
RoomAliasMapping = namedtuple(
"RoomAliasMapping",
@ -75,13 +80,18 @@ class DirectoryStore(SQLBaseStore):
Returns:
Deferred
"""
yield self._simple_insert(
"room_aliases",
{
"room_alias": room_alias.to_string(),
"room_id": room_id,
},
)
try:
yield self._simple_insert(
"room_aliases",
{
"room_alias": room_alias.to_string(),
"room_id": room_id,
},
)
except sqlite3.IntegrityError:
raise SynapseError(
409, "Room alias %s already exists" % room_alias.to_string()
)
for server in servers:
# TODO(erikj): Fix this to bulk insert
@ -95,6 +105,7 @@ class DirectoryStore(SQLBaseStore):
def delete_room_alias(self, room_alias):
return self.runInteraction(
"delete_room_alias",
self._delete_room_alias_txn,
room_alias,
)

View File

@ -0,0 +1,386 @@
# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ._base import SQLBaseStore
from syutil.base64util import encode_base64
import logging
logger = logging.getLogger(__name__)
class EventFederationStore(SQLBaseStore):
""" Responsible for storing and serving up the various graphs associated
with an event. Including the main event graph and the auth chains for an
event.
Also has methods for getting the front (latest) and back (oldest) edges
of the event graphs. These are used to generate the parents for new events
and backfilling from another server respectively.
"""
def get_auth_chain(self, event_id):
return self.runInteraction(
"get_auth_chain",
self._get_auth_chain_txn,
event_id
)
def _get_auth_chain_txn(self, txn, event_id):
results = self._get_auth_chain_ids_txn(txn, event_id)
sql = "SELECT * FROM events WHERE event_id = ?"
rows = []
for ev_id in results:
c = txn.execute(sql, (ev_id,))
rows.extend(self.cursor_to_dict(c))
return self._parse_events_txn(txn, rows)
def get_auth_chain_ids(self, event_id):
return self.runInteraction(
"get_auth_chain_ids",
self._get_auth_chain_ids_txn,
event_id
)
def _get_auth_chain_ids_txn(self, txn, event_id):
results = set()
base_sql = (
"SELECT auth_id FROM event_auth WHERE %s"
)
front = set([event_id])
while front:
sql = base_sql % (
" OR ".join(["event_id=?"] * len(front)),
)
txn.execute(sql, list(front))
front = [r[0] for r in txn.fetchall()]
results.update(front)
return list(results)
def get_oldest_events_in_room(self, room_id):
return self.runInteraction(
"get_oldest_events_in_room",
self._get_oldest_events_in_room_txn,
room_id,
)
def _get_oldest_events_in_room_txn(self, txn, room_id):
return self._simple_select_onecol_txn(
txn,
table="event_backward_extremities",
keyvalues={
"room_id": room_id,
},
retcol="event_id",
)
def get_latest_events_in_room(self, room_id):
return self.runInteraction(
"get_latest_events_in_room",
self._get_latest_events_in_room,
room_id,
)
def _get_latest_events_in_room(self, txn, room_id):
sql = (
"SELECT e.event_id, e.depth FROM events as e "
"INNER JOIN event_forward_extremities as f "
"ON e.event_id = f.event_id "
"WHERE f.room_id = ?"
)
txn.execute(sql, (room_id, ))
results = []
for event_id, depth in txn.fetchall():
hashes = self._get_event_reference_hashes_txn(txn, event_id)
prev_hashes = {
k: encode_base64(v) for k, v in hashes.items()
if k == "sha256"
}
results.append((event_id, prev_hashes, depth))
return results
def _get_latest_state_in_room(self, txn, room_id, type, state_key):
event_ids = self._simple_select_onecol_txn(
txn,
table="state_forward_extremities",
keyvalues={
"room_id": room_id,
"type": type,
"state_key": state_key,
},
retcol="event_id",
)
results = []
for event_id in event_ids:
hashes = self._get_event_reference_hashes_txn(txn, event_id)
prev_hashes = {
k: encode_base64(v) for k, v in hashes.items()
if k == "sha256"
}
results.append((event_id, prev_hashes))
return results
def _get_prev_events(self, txn, event_id):
results = self._get_prev_events_and_state(
txn,
event_id,
is_state=0,
)
return [(e_id, h, ) for e_id, h, _ in results]
def _get_prev_state(self, txn, event_id):
results = self._get_prev_events_and_state(
txn,
event_id,
is_state=1,
)
return [(e_id, h, ) for e_id, h, _ in results]
def _get_prev_events_and_state(self, txn, event_id, is_state=None):
keyvalues = {
"event_id": event_id,
}
if is_state is not None:
keyvalues["is_state"] = is_state
res = self._simple_select_list_txn(
txn,
table="event_edges",
keyvalues=keyvalues,
retcols=["prev_event_id", "is_state"],
)
results = []
for d in res:
hashes = self._get_event_reference_hashes_txn(
txn,
d["prev_event_id"]
)
prev_hashes = {
k: encode_base64(v) for k, v in hashes.items()
if k == "sha256"
}
results.append((d["prev_event_id"], prev_hashes, d["is_state"]))
return results
def _get_auth_events(self, txn, event_id):
auth_ids = self._simple_select_onecol_txn(
txn,
table="event_auth",
keyvalues={
"event_id": event_id,
},
retcol="auth_id",
)
results = []
for auth_id in auth_ids:
hashes = self._get_event_reference_hashes_txn(txn, auth_id)
prev_hashes = {
k: encode_base64(v) for k, v in hashes.items()
if k == "sha256"
}
results.append((auth_id, prev_hashes))
return results
def get_min_depth(self, room_id):
""" For hte given room, get the minimum depth we have seen for it.
"""
return self.runInteraction(
"get_min_depth",
self._get_min_depth_interaction,
room_id,
)
def _get_min_depth_interaction(self, txn, room_id):
min_depth = self._simple_select_one_onecol_txn(
txn,
table="room_depth",
keyvalues={"room_id": room_id},
retcol="min_depth",
allow_none=True,
)
return int(min_depth) if min_depth is not None else None
def _update_min_depth_for_room_txn(self, txn, room_id, depth):
min_depth = self._get_min_depth_interaction(txn, room_id)
do_insert = depth < min_depth if min_depth else True
if do_insert:
self._simple_insert_txn(
txn,
table="room_depth",
values={
"room_id": room_id,
"min_depth": depth,
},
or_replace=True,
)
def _handle_prev_events(self, txn, outlier, event_id, prev_events,
room_id):
"""
For the given event, update the event edges table and forward and
backward extremities tables.
"""
for e_id, _ in prev_events:
# TODO (erikj): This could be done as a bulk insert
self._simple_insert_txn(
txn,
table="event_edges",
values={
"event_id": event_id,
"prev_event_id": e_id,
"room_id": room_id,
"is_state": 0,
},
or_ignore=True,
)
# Update the extremities table if this is not an outlier.
if not outlier:
for e_id, _ in prev_events:
# TODO (erikj): This could be done as a bulk insert
self._simple_delete_txn(
txn,
table="event_forward_extremities",
keyvalues={
"event_id": e_id,
"room_id": room_id,
}
)
# We only insert as a forward extremity the new event if there are
# no other events that reference it as a prev event
query = (
"INSERT OR IGNORE INTO %(table)s (event_id, room_id) "
"SELECT ?, ? WHERE NOT EXISTS ("
"SELECT 1 FROM %(event_edges)s WHERE "
"prev_event_id = ? "
")"
) % {
"table": "event_forward_extremities",
"event_edges": "event_edges",
}
logger.debug("query: %s", query)
txn.execute(query, (event_id, room_id, event_id))
# Insert all the prev_events as a backwards thing, they'll get
# deleted in a second if they're incorrect anyway.
for e_id, _ in prev_events:
# TODO (erikj): This could be done as a bulk insert
self._simple_insert_txn(
txn,
table="event_backward_extremities",
values={
"event_id": e_id,
"room_id": room_id,
},
or_ignore=True,
)
# Also delete from the backwards extremities table all ones that
# reference events that we have already seen
query = (
"DELETE FROM event_backward_extremities WHERE EXISTS ("
"SELECT 1 FROM events "
"WHERE "
"event_backward_extremities.event_id = events.event_id "
"AND not events.outlier "
")"
)
txn.execute(query)
def get_backfill_events(self, room_id, event_list, limit):
"""Get a list of Events for a given topic that occurred before (and
including) the events in event_list. Return a list of max size `limit`
Args:
txn
room_id (str)
event_list (list)
limit (int)
"""
return self.runInteraction(
"get_backfill_events",
self._get_backfill_events, room_id, event_list, limit
)
def _get_backfill_events(self, txn, room_id, event_list, limit):
logger.debug(
"_get_backfill_events: %s, %s, %s",
room_id, repr(event_list), limit
)
event_results = event_list
front = event_list
query = (
"SELECT prev_event_id FROM event_edges "
"WHERE room_id = ? AND event_id = ? "
"LIMIT ?"
)
# We iterate through all event_ids in `front` to select their previous
# events. These are dumped in `new_front`.
# We continue until we reach the limit *or* new_front is empty (i.e.,
# we've run out of things to select
while front and len(event_results) < limit:
new_front = []
for event_id in front:
logger.debug(
"_backfill_interaction: id=%s",
event_id
)
txn.execute(
query,
(room_id, event_id, limit - len(event_results))
)
for row in txn.fetchall():
logger.debug(
"_backfill_interaction: got id=%s",
*row
)
new_front.append(row[0])
front = new_front
event_results += new_front
return self._get_events_txn(txn, event_results)

View File

@ -41,7 +41,7 @@ class FeedbackStore(SQLBaseStore):
defer.returnValue(
[
self._parse_event_from_row(r)
(yield self._parse_events(r))
for r in rows
]
)

View File

@ -1,915 +0,0 @@
# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from ._base import SQLBaseStore, Table, JoinHelper
from synapse.federation.units import Pdu
from synapse.util.logutils import log_function
from collections import namedtuple
import logging
logger = logging.getLogger(__name__)
class PduStore(SQLBaseStore):
"""A collection of queries for handling PDUs.
"""
def get_pdu(self, pdu_id, origin):
"""Given a pdu_id and origin, get a PDU.
Args:
txn
pdu_id (str)
origin (str)
Returns:
PduTuple: If the pdu does not exist in the database, returns None
"""
return self.runInteraction(
self._get_pdu_tuple, pdu_id, origin
)
def _get_pdu_tuple(self, txn, pdu_id, origin):
res = self._get_pdu_tuples(txn, [(pdu_id, origin)])
return res[0] if res else None
def _get_pdu_tuples(self, txn, pdu_id_tuples):
results = []
for pdu_id, origin in pdu_id_tuples:
txn.execute(
PduEdgesTable.select_statement("pdu_id = ? AND origin = ?"),
(pdu_id, origin)
)
edges = [
(r.prev_pdu_id, r.prev_origin)
for r in PduEdgesTable.decode_results(txn.fetchall())
]
query = (
"SELECT %(fields)s FROM %(pdus)s as p "
"LEFT JOIN %(state)s as s "
"ON p.pdu_id = s.pdu_id AND p.origin = s.origin "
"WHERE p.pdu_id = ? AND p.origin = ? "
) % {
"fields": _pdu_state_joiner.get_fields(
PdusTable="p", StatePdusTable="s"),
"pdus": PdusTable.table_name,
"state": StatePdusTable.table_name,
}
txn.execute(query, (pdu_id, origin))
row = txn.fetchone()
if row:
results.append(PduTuple(PduEntry(*row), edges))
return results
def get_current_state_for_context(self, context):
"""Get a list of PDUs that represent the current state for a given
context
Args:
context (str)
Returns:
list: A list of PduTuples
"""
return self.runInteraction(
self._get_current_state_for_context,
context
)
def _get_current_state_for_context(self, txn, context):
query = (
"SELECT pdu_id, origin FROM %s WHERE context = ?"
% CurrentStateTable.table_name
)
logger.debug("get_current_state %s, Args=%s", query, context)
txn.execute(query, (context,))
res = txn.fetchall()
logger.debug("get_current_state %d results", len(res))
return self._get_pdu_tuples(txn, res)
def _persist_pdu_txn(self, txn, prev_pdus, cols):
"""Inserts a (non-state) PDU into the database.
Args:
txn,
prev_pdus (list)
**cols: The columns to insert into the PdusTable.
"""
entry = PdusTable.EntryType(
**{k: cols.get(k, None) for k in PdusTable.fields}
)
txn.execute(PdusTable.insert_statement(), entry)
self._handle_prev_pdus(
txn, entry.outlier, entry.pdu_id, entry.origin,
prev_pdus, entry.context
)
def mark_pdu_as_processed(self, pdu_id, pdu_origin):
"""Mark a received PDU as processed.
Args:
txn
pdu_id (str)
pdu_origin (str)
"""
return self.runInteraction(
self._mark_as_processed, pdu_id, pdu_origin
)
def _mark_as_processed(self, txn, pdu_id, pdu_origin):
txn.execute("UPDATE %s SET have_processed = 1" % PdusTable.table_name)
def get_all_pdus_from_context(self, context):
"""Get a list of all PDUs for a given context."""
return self.runInteraction(
self._get_all_pdus_from_context, context,
)
def _get_all_pdus_from_context(self, txn, context):
query = (
"SELECT pdu_id, origin FROM %s "
"WHERE context = ?"
) % PdusTable.table_name
txn.execute(query, (context,))
return self._get_pdu_tuples(txn, txn.fetchall())
def get_backfill(self, context, pdu_list, limit):
"""Get a list of Pdus for a given topic that occured before (and
including) the pdus in pdu_list. Return a list of max size `limit`.
Args:
txn
context (str)
pdu_list (list)
limit (int)
Return:
list: A list of PduTuples
"""
return self.runInteraction(
self._get_backfill, context, pdu_list, limit
)
def _get_backfill(self, txn, context, pdu_list, limit):
logger.debug(
"backfill: %s, %s, %s",
context, repr(pdu_list), limit
)
# We seed the pdu_results with the things from the pdu_list.
pdu_results = pdu_list
front = pdu_list
query = (
"SELECT prev_pdu_id, prev_origin FROM %(edges_table)s "
"WHERE context = ? AND pdu_id = ? AND origin = ? "
"LIMIT ?"
) % {
"edges_table": PduEdgesTable.table_name,
}
# We iterate through all pdu_ids in `front` to select their previous
# pdus. These are dumped in `new_front`. We continue until we reach the
# limit *or* new_front is empty (i.e., we've run out of things to
# select
while front and len(pdu_results) < limit:
new_front = []
for pdu_id, origin in front:
logger.debug(
"_backfill_interaction: i=%s, o=%s",
pdu_id, origin
)
txn.execute(
query,
(context, pdu_id, origin, limit - len(pdu_results))
)
for row in txn.fetchall():
logger.debug(
"_backfill_interaction: got i=%s, o=%s",
*row
)
new_front.append(row)
front = new_front
pdu_results += new_front
# We also want to update the `prev_pdus` attributes before returning.
return self._get_pdu_tuples(txn, pdu_results)
def get_min_depth_for_context(self, context):
"""Get the current minimum depth for a context
Args:
txn
context (str)
"""
return self.runInteraction(
self._get_min_depth_for_context, context
)
def _get_min_depth_for_context(self, txn, context):
return self._get_min_depth_interaction(txn, context)
def _get_min_depth_interaction(self, txn, context):
txn.execute(
"SELECT min_depth FROM %s WHERE context = ?"
% ContextDepthTable.table_name,
(context,)
)
row = txn.fetchone()
return row[0] if row else None
def _update_min_depth_for_context_txn(self, txn, context, depth):
"""Update the minimum `depth` of the given context, which is the line
on which we stop backfilling backwards.
Args:
context (str)
depth (int)
"""
min_depth = self._get_min_depth_interaction(txn, context)
do_insert = depth < min_depth if min_depth else True
if do_insert:
txn.execute(
"INSERT OR REPLACE INTO %s (context, min_depth) "
"VALUES (?,?)" % ContextDepthTable.table_name,
(context, depth)
)
def _get_latest_pdus_in_context(self, txn, context):
"""Get's a list of the most current pdus for a given context. This is
used when we are sending a Pdu and need to fill out the `prev_pdus`
key
Args:
txn
context
"""
query = (
"SELECT p.pdu_id, p.origin, p.depth FROM %(pdus)s as p "
"INNER JOIN %(forward)s as f ON p.pdu_id = f.pdu_id "
"AND f.origin = p.origin "
"WHERE f.context = ?"
) % {
"pdus": PdusTable.table_name,
"forward": PduForwardExtremitiesTable.table_name,
}
logger.debug("get_prev query: %s", query)
txn.execute(
query,
(context, )
)
results = txn.fetchall()
return [(row[0], row[1], row[2]) for row in results]
@defer.inlineCallbacks
def get_oldest_pdus_in_context(self, context):
"""Get a list of Pdus that we haven't backfilled beyond yet (and havent
seen). This list is used when we want to backfill backwards and is the
list we send to the remote server.
Args:
txn
context (str)
Returns:
list: A list of PduIdTuple.
"""
results = yield self._execute(
None,
"SELECT pdu_id, origin FROM %(back)s WHERE context = ?"
% {"back": PduBackwardExtremitiesTable.table_name, },
context
)
defer.returnValue([PduIdTuple(i, o) for i, o in results])
def is_pdu_new(self, pdu_id, origin, context, depth):
"""For a given Pdu, try and figure out if it's 'new', i.e., if it's
not something we got randomly from the past, for example when we
request the current state of the room that will probably return a bunch
of pdus from before we joined.
Args:
txn
pdu_id (str)
origin (str)
context (str)
depth (int)
Returns:
bool
"""
return self.runInteraction(
self._is_pdu_new,
pdu_id=pdu_id,
origin=origin,
context=context,
depth=depth
)
def _is_pdu_new(self, txn, pdu_id, origin, context, depth):
# If depth > min depth in back table, then we classify it as new.
# OR if there is nothing in the back table, then it kinda needs to
# be a new thing.
query = (
"SELECT min(p.depth) FROM %(edges)s as e "
"INNER JOIN %(back)s as b "
"ON e.prev_pdu_id = b.pdu_id AND e.prev_origin = b.origin "
"INNER JOIN %(pdus)s as p "
"ON e.pdu_id = p.pdu_id AND p.origin = e.origin "
"WHERE p.context = ?"
) % {
"pdus": PdusTable.table_name,
"edges": PduEdgesTable.table_name,
"back": PduBackwardExtremitiesTable.table_name,
}
txn.execute(query, (context,))
min_depth, = txn.fetchone()
if not min_depth or depth > int(min_depth):
logger.debug(
"is_new true: id=%s, o=%s, d=%s min_depth=%s",
pdu_id, origin, depth, min_depth
)
return True
# If this pdu is in the forwards table, then it also is a new one
query = (
"SELECT * FROM %(forward)s WHERE pdu_id = ? AND origin = ?"
) % {
"forward": PduForwardExtremitiesTable.table_name,
}
txn.execute(query, (pdu_id, origin))
# Did we get anything?
if txn.fetchall():
logger.debug(
"is_new true: id=%s, o=%s, d=%s was forward",
pdu_id, origin, depth
)
return True
logger.debug(
"is_new false: id=%s, o=%s, d=%s",
pdu_id, origin, depth
)
# FINE THEN. It's probably old.
return False
@staticmethod
@log_function
def _handle_prev_pdus(txn, outlier, pdu_id, origin, prev_pdus,
context):
txn.executemany(
PduEdgesTable.insert_statement(),
[(pdu_id, origin, p[0], p[1], context) for p in prev_pdus]
)
# Update the extremities table if this is not an outlier.
if not outlier:
# First, we delete the new one from the forwards extremities table.
query = (
"DELETE FROM %s WHERE pdu_id = ? AND origin = ?"
% PduForwardExtremitiesTable.table_name
)
txn.executemany(query, prev_pdus)
# We only insert as a forward extremety the new pdu if there are no
# other pdus that reference it as a prev pdu
query = (
"INSERT INTO %(table)s (pdu_id, origin, context) "
"SELECT ?, ?, ? WHERE NOT EXISTS ("
"SELECT 1 FROM %(pdu_edges)s WHERE "
"prev_pdu_id = ? AND prev_origin = ?"
")"
) % {
"table": PduForwardExtremitiesTable.table_name,
"pdu_edges": PduEdgesTable.table_name
}
logger.debug("query: %s", query)
txn.execute(query, (pdu_id, origin, context, pdu_id, origin))
# Insert all the prev_pdus as a backwards thing, they'll get
# deleted in a second if they're incorrect anyway.
txn.executemany(
PduBackwardExtremitiesTable.insert_statement(),
[(i, o, context) for i, o in prev_pdus]
)
# Also delete from the backwards extremities table all ones that
# reference pdus that we have already seen
query = (
"DELETE FROM %(pdu_back)s WHERE EXISTS ("
"SELECT 1 FROM %(pdus)s AS pdus "
"WHERE "
"%(pdu_back)s.pdu_id = pdus.pdu_id "
"AND %(pdu_back)s.origin = pdus.origin "
"AND not pdus.outlier "
")"
) % {
"pdu_back": PduBackwardExtremitiesTable.table_name,
"pdus": PdusTable.table_name,
}
txn.execute(query)
class StatePduStore(SQLBaseStore):
"""A collection of queries for handling state PDUs.
"""
def _persist_state_txn(self, txn, prev_pdus, cols):
"""Inserts a state PDU into the database
Args:
txn,
prev_pdus (list)
**cols: The columns to insert into the PdusTable and StatePdusTable
"""
pdu_entry = PdusTable.EntryType(
**{k: cols.get(k, None) for k in PdusTable.fields}
)
state_entry = StatePdusTable.EntryType(
**{k: cols.get(k, None) for k in StatePdusTable.fields}
)
logger.debug("Inserting pdu: %s", repr(pdu_entry))
logger.debug("Inserting state: %s", repr(state_entry))
txn.execute(PdusTable.insert_statement(), pdu_entry)
txn.execute(StatePdusTable.insert_statement(), state_entry)
self._handle_prev_pdus(
txn,
pdu_entry.outlier, pdu_entry.pdu_id, pdu_entry.origin, prev_pdus,
pdu_entry.context
)
def get_unresolved_state_tree(self, new_state_pdu):
return self.runInteraction(
self._get_unresolved_state_tree, new_state_pdu
)
@log_function
def _get_unresolved_state_tree(self, txn, new_pdu):
current = self._get_current_interaction(
txn,
new_pdu.context, new_pdu.pdu_type, new_pdu.state_key
)
ReturnType = namedtuple(
"StateReturnType", ["new_branch", "current_branch"]
)
return_value = ReturnType([new_pdu], [])
if not current:
logger.debug("get_unresolved_state_tree No current state.")
return (return_value, None)
return_value.current_branch.append(current)
enum_branches = self._enumerate_state_branches(
txn, new_pdu, current
)
missing_branch = None
for branch, prev_state, state in enum_branches:
if state:
return_value[branch].append(state)
else:
# We don't have prev_state :(
missing_branch = branch
break
return (return_value, missing_branch)
def update_current_state(self, pdu_id, origin, context, pdu_type,
state_key):
return self.runInteraction(
self._update_current_state,
pdu_id, origin, context, pdu_type, state_key
)
def _update_current_state(self, txn, pdu_id, origin, context, pdu_type,
state_key):
query = (
"INSERT OR REPLACE INTO %(curr)s (%(fields)s) VALUES (%(qs)s)"
) % {
"curr": CurrentStateTable.table_name,
"fields": CurrentStateTable.get_fields_string(),
"qs": ", ".join(["?"] * len(CurrentStateTable.fields))
}
query_args = CurrentStateTable.EntryType(
pdu_id=pdu_id,
origin=origin,
context=context,
pdu_type=pdu_type,
state_key=state_key
)
txn.execute(query, query_args)
def get_current_state_pdu(self, context, pdu_type, state_key):
"""For a given context, pdu_type, state_key 3-tuple, return what is
currently considered the current state.
Args:
txn
context (str)
pdu_type (str)
state_key (str)
Returns:
PduEntry
"""
return self.runInteraction(
self._get_current_state_pdu, context, pdu_type, state_key
)
def _get_current_state_pdu(self, txn, context, pdu_type, state_key):
return self._get_current_interaction(txn, context, pdu_type, state_key)
def _get_current_interaction(self, txn, context, pdu_type, state_key):
logger.debug(
"_get_current_interaction %s %s %s",
context, pdu_type, state_key
)
fields = _pdu_state_joiner.get_fields(
PdusTable="p", StatePdusTable="s")
current_query = (
"SELECT %(fields)s FROM %(state)s as s "
"INNER JOIN %(pdus)s as p "
"ON s.pdu_id = p.pdu_id AND s.origin = p.origin "
"INNER JOIN %(curr)s as c "
"ON s.pdu_id = c.pdu_id AND s.origin = c.origin "
"WHERE s.context = ? AND s.pdu_type = ? AND s.state_key = ? "
) % {
"fields": fields,
"curr": CurrentStateTable.table_name,
"state": StatePdusTable.table_name,
"pdus": PdusTable.table_name,
}
txn.execute(
current_query,
(context, pdu_type, state_key)
)
row = txn.fetchone()
result = PduEntry(*row) if row else None
if not result:
logger.debug("_get_current_interaction not found")
else:
logger.debug(
"_get_current_interaction found %s %s",
result.pdu_id, result.origin
)
return result
def handle_new_state(self, new_pdu):
"""Actually perform conflict resolution on the new_pdu on the
assumption we have all the pdus required to perform it.
Args:
new_pdu
Returns:
bool: True if the new_pdu clobbered the current state, False if not
"""
return self.runInteraction(
self._handle_new_state, new_pdu
)
def _handle_new_state(self, txn, new_pdu):
logger.debug(
"handle_new_state %s %s",
new_pdu.pdu_id, new_pdu.origin
)
current = self._get_current_interaction(
txn,
new_pdu.context, new_pdu.pdu_type, new_pdu.state_key
)
is_current = False
if (not current or not current.prev_state_id
or not current.prev_state_origin):
# Oh, we don't have any state for this yet.
is_current = True
elif (current.pdu_id == new_pdu.prev_state_id
and current.origin == new_pdu.prev_state_origin):
# Oh! A direct clobber. Just do it.
is_current = True
else:
##
# Ok, now loop through until we get to a common ancestor.
max_new = int(new_pdu.power_level)
max_current = int(current.power_level)
enum_branches = self._enumerate_state_branches(
txn, new_pdu, current
)
for branch, prev_state, state in enum_branches:
if not state:
raise RuntimeError(
"Could not find state_pdu %s %s" %
(
prev_state.prev_state_id,
prev_state.prev_state_origin
)
)
if branch == 0:
max_new = max(int(state.depth), max_new)
else:
max_current = max(int(state.depth), max_current)
is_current = max_new > max_current
if is_current:
logger.debug("handle_new_state make current")
# Right, this is a new thing, so woo, just insert it.
txn.execute(
"INSERT OR REPLACE INTO %(curr)s (%(fields)s) VALUES (%(qs)s)"
% {
"curr": CurrentStateTable.table_name,
"fields": CurrentStateTable.get_fields_string(),
"qs": ", ".join(["?"] * len(CurrentStateTable.fields))
},
CurrentStateTable.EntryType(
*(new_pdu.__dict__[k] for k in CurrentStateTable.fields)
)
)
else:
logger.debug("handle_new_state not current")
logger.debug("handle_new_state done")
return is_current
@log_function
def _enumerate_state_branches(self, txn, pdu_a, pdu_b):
branch_a = pdu_a
branch_b = pdu_b
while True:
if (branch_a.pdu_id == branch_b.pdu_id
and branch_a.origin == branch_b.origin):
# Woo! We found a common ancestor
logger.debug("_enumerate_state_branches Found common ancestor")
break
do_branch_a = (
hasattr(branch_a, "prev_state_id") and
branch_a.prev_state_id
)
do_branch_b = (
hasattr(branch_b, "prev_state_id") and
branch_b.prev_state_id
)
logger.debug(
"do_branch_a=%s, do_branch_b=%s",
do_branch_a, do_branch_b
)
if do_branch_a and do_branch_b:
do_branch_a = int(branch_a.depth) > int(branch_b.depth)
if do_branch_a:
pdu_tuple = PduIdTuple(
branch_a.prev_state_id,
branch_a.prev_state_origin
)
prev_branch = branch_a
logger.debug("getting branch_a prev %s", pdu_tuple)
branch_a = self._get_pdu_tuple(txn, *pdu_tuple)
if branch_a:
branch_a = Pdu.from_pdu_tuple(branch_a)
logger.debug("branch_a=%s", branch_a)
yield (0, prev_branch, branch_a)
if not branch_a:
break
elif do_branch_b:
pdu_tuple = PduIdTuple(
branch_b.prev_state_id,
branch_b.prev_state_origin
)
prev_branch = branch_b
logger.debug("getting branch_b prev %s", pdu_tuple)
branch_b = self._get_pdu_tuple(txn, *pdu_tuple)
if branch_b:
branch_b = Pdu.from_pdu_tuple(branch_b)
logger.debug("branch_b=%s", branch_b)
yield (1, prev_branch, branch_b)
if not branch_b:
break
else:
break
class PdusTable(Table):
table_name = "pdus"
fields = [
"pdu_id",
"origin",
"context",
"pdu_type",
"ts",
"depth",
"is_state",
"content_json",
"unrecognized_keys",
"outlier",
"have_processed",
]
EntryType = namedtuple("PdusEntry", fields)
class PduDestinationsTable(Table):
table_name = "pdu_destinations"
fields = [
"pdu_id",
"origin",
"destination",
"delivered_ts",
]
EntryType = namedtuple("PduDestinationsEntry", fields)
class PduEdgesTable(Table):
table_name = "pdu_edges"
fields = [
"pdu_id",
"origin",
"prev_pdu_id",
"prev_origin",
"context"
]
EntryType = namedtuple("PduEdgesEntry", fields)
class PduForwardExtremitiesTable(Table):
table_name = "pdu_forward_extremities"
fields = [
"pdu_id",
"origin",
"context",
]
EntryType = namedtuple("PduForwardExtremitiesEntry", fields)
class PduBackwardExtremitiesTable(Table):
table_name = "pdu_backward_extremities"
fields = [
"pdu_id",
"origin",
"context",
]
EntryType = namedtuple("PduBackwardExtremitiesEntry", fields)
class ContextDepthTable(Table):
table_name = "context_depth"
fields = [
"context",
"min_depth",
]
EntryType = namedtuple("ContextDepthEntry", fields)
class StatePdusTable(Table):
table_name = "state_pdus"
fields = [
"pdu_id",
"origin",
"context",
"pdu_type",
"state_key",
"power_level",
"prev_state_id",
"prev_state_origin",
]
EntryType = namedtuple("StatePdusEntry", fields)
class CurrentStateTable(Table):
table_name = "current_state"
fields = [
"pdu_id",
"origin",
"context",
"pdu_type",
"state_key",
]
EntryType = namedtuple("CurrentStateEntry", fields)
_pdu_state_joiner = JoinHelper(PdusTable, StatePdusTable)
# TODO: These should probably be put somewhere more sensible
PduIdTuple = namedtuple("PduIdTuple", ("pdu_id", "origin"))
PduEntry = _pdu_state_joiner.EntryType
""" We are always interested in the join of the PdusTable and StatePdusTable,
rather than just the PdusTable.
This does not include a prev_pdus key.
"""
PduTuple = namedtuple(
"PduTuple",
("pdu_entry", "prev_pdu_list")
)
""" This is a tuple of a `PduEntry` and a list of `PduIdTuple` that represent
the `prev_pdus` key of a PDU.
"""

View File

@ -62,8 +62,10 @@ class RegistrationStore(SQLBaseStore):
Raises:
StoreError if the user_id could not be registered.
"""
yield self.runInteraction(self._register, user_id, token,
password_hash)
yield self.runInteraction(
"register",
self._register, user_id, token, password_hash
)
def _register(self, txn, user_id, token, password_hash):
now = int(self.clock.time())
@ -100,17 +102,22 @@ class RegistrationStore(SQLBaseStore):
StoreError if no user was found.
"""
return self.runInteraction(
"get_user_by_token",
self._query_for_auth,
token
)
@defer.inlineCallbacks
def is_server_admin(self, user):
return self._simple_select_one_onecol(
res = yield self._simple_select_one_onecol(
table="users",
keyvalues={"name": user.to_string()},
retcol="admin",
allow_none=True,
)
defer.returnValue(res if res else False)
def _query_for_auth(self, txn, token):
sql = (
"SELECT users.name, users.admin, access_tokens.device_id "

View File

@ -132,209 +132,29 @@ class RoomStore(SQLBaseStore):
defer.returnValue(ret)
@defer.inlineCallbacks
def get_room_join_rule(self, room_id):
sql = (
"SELECT join_rule FROM room_join_rules as r "
"INNER JOIN current_state_events as c "
"ON r.event_id = c.event_id "
"WHERE c.room_id = ? "
)
rows = yield self._execute(None, sql, room_id)
if len(rows) == 1:
defer.returnValue(rows[0][0])
else:
defer.returnValue(None)
def get_power_level(self, room_id, user_id):
return self.runInteraction(
self._get_power_level,
room_id, user_id,
)
def _get_power_level(self, txn, room_id, user_id):
sql = (
"SELECT level FROM room_power_levels as r "
"INNER JOIN current_state_events as c "
"ON r.event_id = c.event_id "
"WHERE c.room_id = ? AND r.user_id = ? "
)
rows = txn.execute(sql, (room_id, user_id,)).fetchall()
if len(rows) == 1:
return rows[0][0]
sql = (
"SELECT level FROM room_default_levels as r "
"INNER JOIN current_state_events as c "
"ON r.event_id = c.event_id "
"WHERE c.room_id = ? "
)
rows = txn.execute(sql, (room_id,)).fetchall()
if len(rows) == 1:
return rows[0][0]
else:
return None
def get_ops_levels(self, room_id):
return self.runInteraction(
self._get_ops_levels,
room_id,
)
def _get_ops_levels(self, txn, room_id):
sql = (
"SELECT ban_level, kick_level, redact_level "
"FROM room_ops_levels as r "
"INNER JOIN current_state_events as c "
"ON r.event_id = c.event_id "
"WHERE c.room_id = ? "
)
rows = txn.execute(sql, (room_id,)).fetchall()
if len(rows) == 1:
return OpsLevel(rows[0][0], rows[0][1], rows[0][2])
else:
return OpsLevel(None, None)
def get_add_state_level(self, room_id):
return self._get_level_from_table("room_add_state_levels", room_id)
def get_send_event_level(self, room_id):
return self._get_level_from_table("room_send_event_levels", room_id)
@defer.inlineCallbacks
def _get_level_from_table(self, table, room_id):
sql = (
"SELECT level FROM %(table)s as r "
"INNER JOIN current_state_events as c "
"ON r.event_id = c.event_id "
"WHERE c.room_id = ? "
) % {"table": table}
rows = yield self._execute(None, sql, room_id)
if len(rows) == 1:
defer.returnValue(rows[0][0])
else:
defer.returnValue(None)
def _store_room_topic_txn(self, txn, event):
self._simple_insert_txn(
txn,
"topics",
{
"event_id": event.event_id,
"room_id": event.room_id,
"topic": event.topic,
}
)
if hasattr(event, "topic"):
self._simple_insert_txn(
txn,
"topics",
{
"event_id": event.event_id,
"room_id": event.room_id,
"topic": event.topic,
}
)
def _store_room_name_txn(self, txn, event):
self._simple_insert_txn(
txn,
"room_names",
{
"event_id": event.event_id,
"room_id": event.room_id,
"name": event.name,
}
)
def _store_join_rule(self, txn, event):
self._simple_insert_txn(
txn,
"room_join_rules",
{
"event_id": event.event_id,
"room_id": event.room_id,
"join_rule": event.content["join_rule"],
},
)
def _store_power_levels(self, txn, event):
for user_id, level in event.content.items():
if user_id == "default":
self._simple_insert_txn(
txn,
"room_default_levels",
{
"event_id": event.event_id,
"room_id": event.room_id,
"level": level,
},
)
else:
self._simple_insert_txn(
txn,
"room_power_levels",
{
"event_id": event.event_id,
"room_id": event.room_id,
"user_id": user_id,
"level": level
},
)
def _store_default_level(self, txn, event):
self._simple_insert_txn(
txn,
"room_default_levels",
{
"event_id": event.event_id,
"room_id": event.room_id,
"level": event.content["default_level"],
},
)
def _store_add_state_level(self, txn, event):
self._simple_insert_txn(
txn,
"room_add_state_levels",
{
"event_id": event.event_id,
"room_id": event.room_id,
"level": event.content["level"],
},
)
def _store_send_event_level(self, txn, event):
self._simple_insert_txn(
txn,
"room_send_event_levels",
{
"event_id": event.event_id,
"room_id": event.room_id,
"level": event.content["level"],
},
)
def _store_ops_level(self, txn, event):
content = {
"event_id": event.event_id,
"room_id": event.room_id,
}
if "kick_level" in event.content:
content["kick_level"] = event.content["kick_level"]
if "ban_level" in event.content:
content["ban_level"] = event.content["ban_level"]
if "redact_level" in event.content:
content["redact_level"] = event.content["redact_level"]
self._simple_insert_txn(
txn,
"room_ops_levels",
content,
)
if hasattr(event, "name"):
self._simple_insert_txn(
txn,
"room_names",
{
"event_id": event.event_id,
"room_id": event.room_id,
"name": event.name,
}
)
class RoomsTable(Table):

View File

@ -1,31 +0,0 @@
/* Copyright 2014 OpenMarket Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
CREATE TABLE IF NOT EXISTS context_edge_pdus(
id INTEGER PRIMARY KEY AUTOINCREMENT, -- twistar requires this
pdu_id TEXT,
origin TEXT,
context TEXT,
CONSTRAINT context_edge_pdu_id_origin UNIQUE (pdu_id, origin)
);
CREATE TABLE IF NOT EXISTS origin_edge_pdus(
id INTEGER PRIMARY KEY AUTOINCREMENT, -- twistar requires this
pdu_id TEXT,
origin TEXT,
CONSTRAINT origin_edge_pdu_id_origin UNIQUE (pdu_id, origin)
);
CREATE INDEX IF NOT EXISTS context_edge_pdu_id ON context_edge_pdus(pdu_id, origin);
CREATE INDEX IF NOT EXISTS origin_edge_pdu_id ON origin_edge_pdus(pdu_id, origin);

View File

@ -0,0 +1,75 @@
CREATE TABLE IF NOT EXISTS event_forward_extremities(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
CONSTRAINT uniqueness UNIQUE (event_id, room_id) ON CONFLICT REPLACE
);
CREATE INDEX IF NOT EXISTS ev_extrem_room ON event_forward_extremities(room_id);
CREATE INDEX IF NOT EXISTS ev_extrem_id ON event_forward_extremities(event_id);
CREATE TABLE IF NOT EXISTS event_backward_extremities(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
CONSTRAINT uniqueness UNIQUE (event_id, room_id) ON CONFLICT REPLACE
);
CREATE INDEX IF NOT EXISTS ev_b_extrem_room ON event_backward_extremities(room_id);
CREATE INDEX IF NOT EXISTS ev_b_extrem_id ON event_backward_extremities(event_id);
CREATE TABLE IF NOT EXISTS event_edges(
event_id TEXT NOT NULL,
prev_event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
is_state INTEGER NOT NULL,
CONSTRAINT uniqueness UNIQUE (event_id, prev_event_id, room_id, is_state)
);
CREATE INDEX IF NOT EXISTS ev_edges_id ON event_edges(event_id);
CREATE INDEX IF NOT EXISTS ev_edges_prev_id ON event_edges(prev_event_id);
CREATE TABLE IF NOT EXISTS room_depth(
room_id TEXT NOT NULL,
min_depth INTEGER NOT NULL,
CONSTRAINT uniqueness UNIQUE (room_id)
);
CREATE INDEX IF NOT EXISTS room_depth_room ON room_depth(room_id);
create TABLE IF NOT EXISTS event_destinations(
event_id TEXT NOT NULL,
destination TEXT NOT NULL,
delivered_ts INTEGER DEFAULT 0, -- or 0 if not delivered
CONSTRAINT uniqueness UNIQUE (event_id, destination) ON CONFLICT REPLACE
);
CREATE INDEX IF NOT EXISTS event_destinations_id ON event_destinations(event_id);
CREATE TABLE IF NOT EXISTS state_forward_extremities(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
type TEXT NOT NULL,
state_key TEXT NOT NULL,
CONSTRAINT uniqueness UNIQUE (event_id, room_id) ON CONFLICT REPLACE
);
CREATE INDEX IF NOT EXISTS st_extrem_keys ON state_forward_extremities(
room_id, type, state_key
);
CREATE INDEX IF NOT EXISTS st_extrem_id ON state_forward_extremities(event_id);
CREATE TABLE IF NOT EXISTS event_auth(
event_id TEXT NOT NULL,
auth_id TEXT NOT NULL,
room_id TEXT NOT NULL,
CONSTRAINT uniqueness UNIQUE (event_id, auth_id, room_id)
);
CREATE INDEX IF NOT EXISTS evauth_edges_id ON event_auth(event_id);
CREATE INDEX IF NOT EXISTS evauth_edges_auth_id ON event_auth(auth_id);

View File

@ -0,0 +1,65 @@
/* Copyright 2014 OpenMarket Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
CREATE TABLE IF NOT EXISTS event_content_hashes (
event_id TEXT,
algorithm TEXT,
hash BLOB,
CONSTRAINT uniqueness UNIQUE (event_id, algorithm)
);
CREATE INDEX IF NOT EXISTS event_content_hashes_id ON event_content_hashes(
event_id
);
CREATE TABLE IF NOT EXISTS event_reference_hashes (
event_id TEXT,
algorithm TEXT,
hash BLOB,
CONSTRAINT uniqueness UNIQUE (event_id, algorithm)
);
CREATE INDEX IF NOT EXISTS event_reference_hashes_id ON event_reference_hashes (
event_id
);
CREATE TABLE IF NOT EXISTS event_signatures (
event_id TEXT,
signature_name TEXT,
key_id TEXT,
signature BLOB,
CONSTRAINT uniqueness UNIQUE (event_id, key_id)
);
CREATE INDEX IF NOT EXISTS event_signatures_id ON event_signatures (
event_id
);
CREATE TABLE IF NOT EXISTS event_edge_hashes(
event_id TEXT,
prev_event_id TEXT,
algorithm TEXT,
hash BLOB,
CONSTRAINT uniqueness UNIQUE (
event_id, prev_event_id, algorithm
)
);
CREATE INDEX IF NOT EXISTS event_edge_hashes_id ON event_edge_hashes(
event_id
);

View File

@ -23,6 +23,7 @@ CREATE TABLE IF NOT EXISTS events(
unrecognized_keys TEXT,
processed BOOL NOT NULL,
outlier BOOL NOT NULL,
depth INTEGER DEFAULT 0 NOT NULL,
CONSTRAINT ev_uniq UNIQUE (event_id)
);
@ -84,80 +85,24 @@ CREATE TABLE IF NOT EXISTS topics(
topic TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS topics_event_id ON topics(event_id);
CREATE INDEX IF NOT EXISTS topics_room_id ON topics(room_id);
CREATE TABLE IF NOT EXISTS room_names(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
name TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS room_names_event_id ON room_names(event_id);
CREATE INDEX IF NOT EXISTS room_names_room_id ON room_names(room_id);
CREATE TABLE IF NOT EXISTS rooms(
room_id TEXT PRIMARY KEY NOT NULL,
is_public INTEGER,
creator TEXT
);
CREATE TABLE IF NOT EXISTS room_join_rules(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
join_rule TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS room_join_rules_event_id ON room_join_rules(event_id);
CREATE INDEX IF NOT EXISTS room_join_rules_room_id ON room_join_rules(room_id);
CREATE TABLE IF NOT EXISTS room_power_levels(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
user_id TEXT NOT NULL,
level INTEGER NOT NULL
);
CREATE INDEX IF NOT EXISTS room_power_levels_event_id ON room_power_levels(event_id);
CREATE INDEX IF NOT EXISTS room_power_levels_room_id ON room_power_levels(room_id);
CREATE INDEX IF NOT EXISTS room_power_levels_room_user ON room_power_levels(room_id, user_id);
CREATE TABLE IF NOT EXISTS room_default_levels(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
level INTEGER NOT NULL
);
CREATE INDEX IF NOT EXISTS room_default_levels_event_id ON room_default_levels(event_id);
CREATE INDEX IF NOT EXISTS room_default_levels_room_id ON room_default_levels(room_id);
CREATE TABLE IF NOT EXISTS room_add_state_levels(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
level INTEGER NOT NULL
);
CREATE INDEX IF NOT EXISTS room_add_state_levels_event_id ON room_add_state_levels(event_id);
CREATE INDEX IF NOT EXISTS room_add_state_levels_room_id ON room_add_state_levels(room_id);
CREATE TABLE IF NOT EXISTS room_send_event_levels(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
level INTEGER NOT NULL
);
CREATE INDEX IF NOT EXISTS room_send_event_levels_event_id ON room_send_event_levels(event_id);
CREATE INDEX IF NOT EXISTS room_send_event_levels_room_id ON room_send_event_levels(room_id);
CREATE TABLE IF NOT EXISTS room_ops_levels(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
ban_level INTEGER,
kick_level INTEGER,
redact_level INTEGER
);
CREATE INDEX IF NOT EXISTS room_ops_levels_event_id ON room_ops_levels(event_id);
CREATE INDEX IF NOT EXISTS room_ops_levels_room_id ON room_ops_levels(room_id);
CREATE TABLE IF NOT EXISTS room_hosts(
room_id TEXT NOT NULL,
host TEXT NOT NULL,

View File

@ -1,106 +0,0 @@
/* Copyright 2014 OpenMarket Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-- Stores pdus and their content
CREATE TABLE IF NOT EXISTS pdus(
pdu_id TEXT,
origin TEXT,
context TEXT,
pdu_type TEXT,
ts INTEGER,
depth INTEGER DEFAULT 0 NOT NULL,
is_state BOOL,
content_json TEXT,
unrecognized_keys TEXT,
outlier BOOL NOT NULL,
have_processed BOOL,
CONSTRAINT pdu_id_origin UNIQUE (pdu_id, origin)
);
-- Stores what the current state pdu is for a given (context, pdu_type, key) tuple
CREATE TABLE IF NOT EXISTS state_pdus(
pdu_id TEXT,
origin TEXT,
context TEXT,
pdu_type TEXT,
state_key TEXT,
power_level TEXT,
prev_state_id TEXT,
prev_state_origin TEXT,
CONSTRAINT pdu_id_origin UNIQUE (pdu_id, origin)
CONSTRAINT prev_pdu_id_origin UNIQUE (prev_state_id, prev_state_origin)
);
CREATE TABLE IF NOT EXISTS current_state(
pdu_id TEXT,
origin TEXT,
context TEXT,
pdu_type TEXT,
state_key TEXT,
CONSTRAINT pdu_id_origin UNIQUE (pdu_id, origin)
CONSTRAINT uniqueness UNIQUE (context, pdu_type, state_key) ON CONFLICT REPLACE
);
-- Stores where each pdu we want to send should be sent and the delivery status.
create TABLE IF NOT EXISTS pdu_destinations(
pdu_id TEXT,
origin TEXT,
destination TEXT,
delivered_ts INTEGER DEFAULT 0, -- or 0 if not delivered
CONSTRAINT uniqueness UNIQUE (pdu_id, origin, destination) ON CONFLICT REPLACE
);
CREATE TABLE IF NOT EXISTS pdu_forward_extremities(
pdu_id TEXT,
origin TEXT,
context TEXT,
CONSTRAINT uniqueness UNIQUE (pdu_id, origin, context) ON CONFLICT REPLACE
);
CREATE TABLE IF NOT EXISTS pdu_backward_extremities(
pdu_id TEXT,
origin TEXT,
context TEXT,
CONSTRAINT uniqueness UNIQUE (pdu_id, origin, context) ON CONFLICT REPLACE
);
CREATE TABLE IF NOT EXISTS pdu_edges(
pdu_id TEXT,
origin TEXT,
prev_pdu_id TEXT,
prev_origin TEXT,
context TEXT,
CONSTRAINT uniqueness UNIQUE (pdu_id, origin, prev_pdu_id, prev_origin, context)
);
CREATE TABLE IF NOT EXISTS context_depth(
context TEXT,
min_depth INTEGER,
CONSTRAINT uniqueness UNIQUE (context)
);
CREATE INDEX IF NOT EXISTS context_depth_context ON context_depth(context);
CREATE INDEX IF NOT EXISTS pdu_id ON pdus(pdu_id, origin);
CREATE INDEX IF NOT EXISTS dests_id ON pdu_destinations (pdu_id, origin);
-- CREATE INDEX IF NOT EXISTS dests ON pdu_destinations (destination);
CREATE INDEX IF NOT EXISTS pdu_extrem_context ON pdu_forward_extremities(context);
CREATE INDEX IF NOT EXISTS pdu_extrem_id ON pdu_forward_extremities(pdu_id, origin);
CREATE INDEX IF NOT EXISTS pdu_edges_id ON pdu_edges(pdu_id, origin);
CREATE INDEX IF NOT EXISTS pdu_b_extrem_context ON pdu_backward_extremities(context);

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@ -0,0 +1,46 @@
/* Copyright 2014 OpenMarket Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
CREATE TABLE IF NOT EXISTS state_groups(
id INTEGER PRIMARY KEY,
room_id TEXT NOT NULL,
event_id TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS state_groups_state(
state_group INTEGER NOT NULL,
room_id TEXT NOT NULL,
type TEXT NOT NULL,
state_key TEXT NOT NULL,
event_id TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS event_to_state_groups(
event_id TEXT NOT NULL,
state_group INTEGER NOT NULL
);
CREATE INDEX IF NOT EXISTS state_groups_id ON state_groups(id);
CREATE INDEX IF NOT EXISTS state_groups_state_id ON state_groups_state(
state_group
);
CREATE INDEX IF NOT EXISTS state_groups_state_tuple ON state_groups_state(
room_id, type, state_key
);
CREATE INDEX IF NOT EXISTS event_to_state_groups_id ON event_to_state_groups(
event_id
);

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# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from _base import SQLBaseStore
class SignatureStore(SQLBaseStore):
"""Persistence for event signatures and hashes"""
def _get_event_content_hashes_txn(self, txn, event_id):
"""Get all the hashes for a given Event.
Args:
txn (cursor):
event_id (str): Id for the Event.
Returns:
A dict of algorithm -> hash.
"""
query = (
"SELECT algorithm, hash"
" FROM event_content_hashes"
" WHERE event_id = ?"
)
txn.execute(query, (event_id, ))
return dict(txn.fetchall())
def _store_event_content_hash_txn(self, txn, event_id, algorithm,
hash_bytes):
"""Store a hash for a Event
Args:
txn (cursor):
event_id (str): Id for the Event.
algorithm (str): Hashing algorithm.
hash_bytes (bytes): Hash function output bytes.
"""
self._simple_insert_txn(
txn,
"event_content_hashes",
{
"event_id": event_id,
"algorithm": algorithm,
"hash": buffer(hash_bytes),
},
or_ignore=True,
)
def get_event_reference_hashes(self, event_ids):
def f(txn):
return [
self._get_event_reference_hashes_txn(txn, ev)
for ev in event_ids
]
return self.runInteraction(
"get_event_reference_hashes",
f
)
def _get_event_reference_hashes_txn(self, txn, event_id):
"""Get all the hashes for a given PDU.
Args:
txn (cursor):
event_id (str): Id for the Event.
Returns:
A dict of algorithm -> hash.
"""
query = (
"SELECT algorithm, hash"
" FROM event_reference_hashes"
" WHERE event_id = ?"
)
txn.execute(query, (event_id, ))
return dict(txn.fetchall())
def _store_event_reference_hash_txn(self, txn, event_id, algorithm,
hash_bytes):
"""Store a hash for a PDU
Args:
txn (cursor):
event_id (str): Id for the Event.
algorithm (str): Hashing algorithm.
hash_bytes (bytes): Hash function output bytes.
"""
self._simple_insert_txn(
txn,
"event_reference_hashes",
{
"event_id": event_id,
"algorithm": algorithm,
"hash": buffer(hash_bytes),
},
or_ignore=True,
)
def _get_event_signatures_txn(self, txn, event_id):
"""Get all the signatures for a given PDU.
Args:
txn (cursor):
event_id (str): Id for the Event.
Returns:
A dict of sig name -> dict(key_id -> signature_bytes)
"""
query = (
"SELECT signature_name, key_id, signature"
" FROM event_signatures"
" WHERE event_id = ? "
)
txn.execute(query, (event_id, ))
rows = txn.fetchall()
res = {}
for name, key, sig in rows:
res.setdefault(name, {})[key] = sig
return res
def _store_event_signature_txn(self, txn, event_id, signature_name, key_id,
signature_bytes):
"""Store a signature from the origin server for a PDU.
Args:
txn (cursor):
event_id (str): Id for the Event.
origin (str): origin of the Event.
key_id (str): Id for the signing key.
signature (bytes): The signature.
"""
self._simple_insert_txn(
txn,
"event_signatures",
{
"event_id": event_id,
"signature_name": signature_name,
"key_id": key_id,
"signature": buffer(signature_bytes),
},
or_ignore=True,
)
def _get_prev_event_hashes_txn(self, txn, event_id):
"""Get all the hashes for previous PDUs of a PDU
Args:
txn (cursor):
event_id (str): Id for the Event.
Returns:
dict of (pdu_id, origin) -> dict of algorithm -> hash_bytes.
"""
query = (
"SELECT prev_event_id, algorithm, hash"
" FROM event_edge_hashes"
" WHERE event_id = ?"
)
txn.execute(query, (event_id, ))
results = {}
for prev_event_id, algorithm, hash_bytes in txn.fetchall():
hashes = results.setdefault(prev_event_id, {})
hashes[algorithm] = hash_bytes
return results
def _store_prev_event_hash_txn(self, txn, event_id, prev_event_id,
algorithm, hash_bytes):
self._simple_insert_txn(
txn,
"event_edge_hashes",
{
"event_id": event_id,
"prev_event_id": prev_event_id,
"algorithm": algorithm,
"hash": buffer(hash_bytes),
},
or_ignore=True,
)

127
synapse/storage/state.py Normal file
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# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ._base import SQLBaseStore
class StateStore(SQLBaseStore):
""" Keeps track of the state at a given event.
This is done by the concept of `state groups`. Every event is a assigned
a state group (identified by an arbitrary string), which references a
collection of state events. The current state of an event is then the
collection of state events referenced by the event's state group.
Hence, every change in the current state causes a new state group to be
generated. However, if no change happens (e.g., if we get a message event
with only one parent it inherits the state group from its parent.)
There are three tables:
* `state_groups`: Stores group name, first event with in the group and
room id.
* `event_to_state_groups`: Maps events to state groups.
* `state_groups_state`: Maps state group to state events.
"""
def get_state_groups(self, event_ids):
""" Get the state groups for the given list of event_ids
The return value is a dict mapping group names to lists of events.
"""
def f(txn):
groups = set()
for event_id in event_ids:
group = self._simple_select_one_onecol_txn(
txn,
table="event_to_state_groups",
keyvalues={"event_id": event_id},
retcol="state_group",
allow_none=True,
)
if group:
groups.add(group)
res = {}
for group in groups:
state_ids = self._simple_select_onecol_txn(
txn,
table="state_groups_state",
keyvalues={"state_group": group},
retcol="event_id",
)
state = []
for state_id in state_ids:
s = self._get_events_txn(
txn,
[state_id],
)
if s:
state.extend(s)
res[group] = state
return res
return self.runInteraction(
"get_state_groups",
f,
)
def store_state_groups(self, event):
return self.runInteraction(
"store_state_groups",
self._store_state_groups_txn, event
)
def _store_state_groups_txn(self, txn, event):
if not event.state_events:
return
state_group = event.state_group
if not state_group:
state_group = self._simple_insert_txn(
txn,
table="state_groups",
values={
"room_id": event.room_id,
"event_id": event.event_id,
},
or_ignore=True,
)
for state in event.state_events.values():
self._simple_insert_txn(
txn,
table="state_groups_state",
values={
"state_group": state_group,
"room_id": state.room_id,
"type": state.type,
"state_key": state.state_key,
"event_id": state.event_id,
},
or_ignore=True,
)
self._simple_insert_txn(
txn,
table="event_to_state_groups",
values={
"state_group": state_group,
"event_id": event.event_id,
},
or_replace=True,
)

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