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synapse-product/synapse/module_api/__init__.py
Patrick Cloke 5cace20bf1
Add missing type hints to synapse.app. (#11287)
2021-11-10 15:06:54 -05:00

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# Copyright 2017 New Vector Ltd
# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# 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 email.utils
import logging
from typing import (
TYPE_CHECKING,
Any,
Callable,
Dict,
Generator,
Iterable,
List,
Optional,
Tuple,
Union,
)
import attr
import jinja2
from twisted.internet import defer
from twisted.web.resource import Resource
from synapse.api.errors import SynapseError
from synapse.events import EventBase
from synapse.events.presence_router import PresenceRouter
from synapse.http.client import SimpleHttpClient
from synapse.http.server import (
DirectServeHtmlResource,
DirectServeJsonResource,
respond_with_html,
)
from synapse.http.servlet import parse_json_object_from_request
from synapse.http.site import SynapseRequest
from synapse.logging.context import make_deferred_yieldable, run_in_background
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.rest.client.login import LoginResponse
from synapse.storage import DataStore
from synapse.storage.database import DatabasePool, LoggingTransaction
from synapse.storage.databases.main.roommember import ProfileInfo
from synapse.storage.state import StateFilter
from synapse.types import (
DomainSpecificString,
JsonDict,
Requester,
StateMap,
UserID,
UserInfo,
create_requester,
)
from synapse.util import Clock
from synapse.util.caches.descriptors import cached
if TYPE_CHECKING:
from synapse.app.generic_worker import GenericWorkerSlavedStore
from synapse.server import HomeServer
"""
This package defines the 'stable' API which can be used by extension modules which
are loaded into Synapse.
"""
PRESENCE_ALL_USERS = PresenceRouter.ALL_USERS
__all__ = [
"errors",
"make_deferred_yieldable",
"parse_json_object_from_request",
"respond_with_html",
"run_in_background",
"cached",
"UserID",
"DatabasePool",
"LoggingTransaction",
"DirectServeHtmlResource",
"DirectServeJsonResource",
"ModuleApi",
"PRESENCE_ALL_USERS",
"LoginResponse",
"JsonDict",
"EventBase",
"StateMap",
]
logger = logging.getLogger(__name__)
@attr.s(auto_attribs=True)
class UserIpAndAgent:
"""
An IP address and user agent used by a user to connect to this homeserver.
"""
ip: str
user_agent: str
# The time at which this user agent/ip was last seen.
last_seen: int
class ModuleApi:
"""A proxy object that gets passed to various plugin modules so they
can register new users etc if necessary.
"""
def __init__(self, hs: "HomeServer", auth_handler):
self._hs = hs
# TODO: Fix this type hint once the types for the data stores have been ironed
# out.
self._store: Union[DataStore, "GenericWorkerSlavedStore"] = hs.get_datastore()
self._auth = hs.get_auth()
self._auth_handler = auth_handler
self._server_name = hs.hostname
self._presence_stream = hs.get_event_sources().sources.presence
self._state = hs.get_state_handler()
self._clock: Clock = hs.get_clock()
self._send_email_handler = hs.get_send_email_handler()
self.custom_template_dir = hs.config.server.custom_template_directory
try:
app_name = self._hs.config.email.email_app_name
self._from_string = self._hs.config.email.email_notif_from % {
"app": app_name
}
except (KeyError, TypeError):
# If substitution failed (which can happen if the string contains
# placeholders other than just "app", or if the type of the placeholder is
# not a string), fall back to the bare strings.
self._from_string = self._hs.config.email.email_notif_from
self._raw_from = email.utils.parseaddr(self._from_string)[1]
# We expose these as properties below in order to attach a helpful docstring.
self._http_client: SimpleHttpClient = hs.get_simple_http_client()
self._public_room_list_manager = PublicRoomListManager(hs)
self._spam_checker = hs.get_spam_checker()
self._account_validity_handler = hs.get_account_validity_handler()
self._third_party_event_rules = hs.get_third_party_event_rules()
self._password_auth_provider = hs.get_password_auth_provider()
self._presence_router = hs.get_presence_router()
#################################################################################
# The following methods should only be called during the module's initialisation.
@property
def register_spam_checker_callbacks(self):
"""Registers callbacks for spam checking capabilities.
Added in Synapse v1.37.0.
"""
return self._spam_checker.register_callbacks
@property
def register_account_validity_callbacks(self):
"""Registers callbacks for account validity capabilities.
Added in Synapse v1.39.0.
"""
return self._account_validity_handler.register_account_validity_callbacks
@property
def register_third_party_rules_callbacks(self):
"""Registers callbacks for third party event rules capabilities.
Added in Synapse v1.39.0.
"""
return self._third_party_event_rules.register_third_party_rules_callbacks
@property
def register_presence_router_callbacks(self):
"""Registers callbacks for presence router capabilities.
Added in Synapse v1.42.0.
"""
return self._presence_router.register_presence_router_callbacks
@property
def register_password_auth_provider_callbacks(self):
"""Registers callbacks for password auth provider capabilities.
Added in Synapse v1.46.0.
"""
return self._password_auth_provider.register_password_auth_provider_callbacks
def register_web_resource(self, path: str, resource: Resource):
"""Registers a web resource to be served at the given path.
This function should be called during initialisation of the module.
If multiple modules register a resource for the same path, the module that
appears the highest in the configuration file takes priority.
Added in Synapse v1.37.0.
Args:
path: The path to register the resource for.
resource: The resource to attach to this path.
"""
self._hs.register_module_web_resource(path, resource)
#########################################################################
# The following methods can be called by the module at any point in time.
@property
def http_client(self):
"""Allows making outbound HTTP requests to remote resources.
An instance of synapse.http.client.SimpleHttpClient
Added in Synapse v1.22.0.
"""
return self._http_client
@property
def public_room_list_manager(self):
"""Allows adding to, removing from and checking the status of rooms in the
public room list.
An instance of synapse.module_api.PublicRoomListManager
Added in Synapse v1.22.0.
"""
return self._public_room_list_manager
@property
def public_baseurl(self) -> str:
"""The configured public base URL for this homeserver.
Added in Synapse v1.39.0.
"""
return self._hs.config.server.public_baseurl
@property
def email_app_name(self) -> str:
"""The application name configured in the homeserver's configuration.
Added in Synapse v1.39.0.
"""
return self._hs.config.email.email_app_name
async def get_userinfo_by_id(self, user_id: str) -> Optional[UserInfo]:
"""Get user info by user_id
Added in Synapse v1.41.0.
Args:
user_id: Fully qualified user id.
Returns:
UserInfo object if a user was found, otherwise None
"""
return await self._store.get_userinfo_by_id(user_id)
async def get_user_by_req(
self,
req: SynapseRequest,
allow_guest: bool = False,
allow_expired: bool = False,
) -> Requester:
"""Check the access_token provided for a request
Added in Synapse v1.39.0.
Args:
req: Incoming HTTP request
allow_guest: True if guest users should be allowed. If this
is False, and the access token is for a guest user, an
AuthError will be thrown
allow_expired: True if expired users should be allowed. If this
is False, and the access token is for an expired user, an
AuthError will be thrown
Returns:
The requester for this request
Raises:
InvalidClientCredentialsError: if no user by that token exists,
or the token is invalid.
"""
return await self._auth.get_user_by_req(
req,
allow_guest,
allow_expired=allow_expired,
)
async def is_user_admin(self, user_id: str) -> bool:
"""Checks if a user is a server admin.
Added in Synapse v1.39.0.
Args:
user_id: The Matrix ID of the user to check.
Returns:
True if the user is a server admin, False otherwise.
"""
return await self._store.is_server_admin(UserID.from_string(user_id))
def get_qualified_user_id(self, username):
"""Qualify a user id, if necessary
Takes a user id provided by the user and adds the @ and :domain to
qualify it, if necessary
Added in Synapse v0.25.0.
Args:
username (str): provided user id
Returns:
str: qualified @user:id
"""
if username.startswith("@"):
return username
return UserID(username, self._hs.hostname).to_string()
async def get_profile_for_user(self, localpart: str) -> ProfileInfo:
"""Look up the profile info for the user with the given localpart.
Added in Synapse v1.39.0.
Args:
localpart: The localpart to look up profile information for.
Returns:
The profile information (i.e. display name and avatar URL).
"""
return await self._store.get_profileinfo(localpart)
async def get_threepids_for_user(self, user_id: str) -> List[Dict[str, str]]:
"""Look up the threepids (email addresses and phone numbers) associated with the
given Matrix user ID.
Added in Synapse v1.39.0.
Args:
user_id: The Matrix user ID to look up threepids for.
Returns:
A list of threepids, each threepid being represented by a dictionary
containing a "medium" key which value is "email" for email addresses and
"msisdn" for phone numbers, and an "address" key which value is the
threepid's address.
"""
return await self._store.user_get_threepids(user_id)
def check_user_exists(self, user_id):
"""Check if user exists.
Added in Synapse v0.25.0.
Args:
user_id (str): Complete @user:id
Returns:
Deferred[str|None]: Canonical (case-corrected) user_id, or None
if the user is not registered.
"""
return defer.ensureDeferred(self._auth_handler.check_user_exists(user_id))
@defer.inlineCallbacks
def register(self, localpart, displayname=None, emails: Optional[List[str]] = None):
"""Registers a new user with given localpart and optional displayname, emails.
Also returns an access token for the new user.
Deprecated: avoid this, as it generates a new device with no way to
return that device to the user. Prefer separate calls to register_user and
register_device.
Added in Synapse v0.25.0.
Args:
localpart (str): The localpart of the new user.
displayname (str|None): The displayname of the new user.
emails (List[str]): Emails to bind to the new user.
Returns:
Deferred[tuple[str, str]]: a 2-tuple of (user_id, access_token)
"""
logger.warning(
"Using deprecated ModuleApi.register which creates a dummy user device."
)
user_id = yield self.register_user(localpart, displayname, emails or [])
_, access_token, _, _ = yield self.register_device(user_id)
return user_id, access_token
def register_user(
self, localpart, displayname=None, emails: Optional[List[str]] = None
):
"""Registers a new user with given localpart and optional displayname, emails.
Added in Synapse v1.2.0.
Args:
localpart (str): The localpart of the new user.
displayname (str|None): The displayname of the new user.
emails (List[str]): Emails to bind to the new user.
Raises:
SynapseError if there is an error performing the registration. Check the
'errcode' property for more information on the reason for failure
Returns:
defer.Deferred[str]: user_id
"""
return defer.ensureDeferred(
self._hs.get_registration_handler().register_user(
localpart=localpart,
default_display_name=displayname,
bind_emails=emails or [],
)
)
def register_device(self, user_id, device_id=None, initial_display_name=None):
"""Register a device for a user and generate an access token.
Added in Synapse v1.2.0.
Args:
user_id (str): full canonical @user:id
device_id (str|None): The device ID to check, or None to generate
a new one.
initial_display_name (str|None): An optional display name for the
device.
Returns:
defer.Deferred[tuple[str, str]]: Tuple of device ID and access token
"""
return defer.ensureDeferred(
self._hs.get_registration_handler().register_device(
user_id=user_id,
device_id=device_id,
initial_display_name=initial_display_name,
)
)
def record_user_external_id(
self, auth_provider_id: str, remote_user_id: str, registered_user_id: str
) -> defer.Deferred:
"""Record a mapping from an external user id to a mxid
Added in Synapse v1.9.0.
Args:
auth_provider: identifier for the remote auth provider
external_id: id on that system
user_id: complete mxid that it is mapped to
"""
return defer.ensureDeferred(
self._store.record_user_external_id(
auth_provider_id, remote_user_id, registered_user_id
)
)
def generate_short_term_login_token(
self,
user_id: str,
duration_in_ms: int = (2 * 60 * 1000),
auth_provider_id: str = "",
) -> str:
"""Generate a login token suitable for m.login.token authentication
Added in Synapse v1.9.0.
Args:
user_id: gives the ID of the user that the token is for
duration_in_ms: the time that the token will be valid for
auth_provider_id: the ID of the SSO IdP that the user used to authenticate
to get this token, if any. This is encoded in the token so that
/login can report stats on number of successful logins by IdP.
"""
return self._hs.get_macaroon_generator().generate_short_term_login_token(
user_id,
auth_provider_id,
duration_in_ms,
)
@defer.inlineCallbacks
def invalidate_access_token(self, access_token):
"""Invalidate an access token for a user
Added in Synapse v0.25.0.
Args:
access_token(str): access token
Returns:
twisted.internet.defer.Deferred - resolves once the access token
has been removed.
Raises:
synapse.api.errors.AuthError: the access token is invalid
"""
# see if the access token corresponds to a device
user_info = yield defer.ensureDeferred(
self._auth.get_user_by_access_token(access_token)
)
device_id = user_info.get("device_id")
user_id = user_info["user"].to_string()
if device_id:
# delete the device, which will also delete its access tokens
yield defer.ensureDeferred(
self._hs.get_device_handler().delete_device(user_id, device_id)
)
else:
# no associated device. Just delete the access token.
yield defer.ensureDeferred(
self._auth_handler.delete_access_token(access_token)
)
def run_db_interaction(self, desc, func, *args, **kwargs):
"""Run a function with a database connection
Added in Synapse v0.25.0.
Args:
desc (str): description for the transaction, for metrics etc
func (func): function to be run. Passed a database cursor object
as well as *args and **kwargs
*args: positional args to be passed to func
**kwargs: named args to be passed to func
Returns:
Deferred[object]: result of func
"""
return defer.ensureDeferred(
self._store.db_pool.runInteraction(desc, func, *args, **kwargs)
)
def complete_sso_login(
self, registered_user_id: str, request: SynapseRequest, client_redirect_url: str
):
"""Complete a SSO login by redirecting the user to a page to confirm whether they
want their access token sent to `client_redirect_url`, or redirect them to that
URL with a token directly if the URL matches with one of the whitelisted clients.
This is deprecated in favor of complete_sso_login_async.
Added in Synapse v1.11.1.
Args:
registered_user_id: The MXID that has been registered as a previous step of
of this SSO login.
request: The request to respond to.
client_redirect_url: The URL to which to offer to redirect the user (or to
redirect them directly if whitelisted).
"""
self._auth_handler._complete_sso_login(
registered_user_id,
"<unknown>",
request,
client_redirect_url,
)
async def complete_sso_login_async(
self,
registered_user_id: str,
request: SynapseRequest,
client_redirect_url: str,
new_user: bool = False,
auth_provider_id: str = "<unknown>",
):
"""Complete a SSO login by redirecting the user to a page to confirm whether they
want their access token sent to `client_redirect_url`, or redirect them to that
URL with a token directly if the URL matches with one of the whitelisted clients.
Added in Synapse v1.13.0.
Args:
registered_user_id: The MXID that has been registered as a previous step of
of this SSO login.
request: The request to respond to.
client_redirect_url: The URL to which to offer to redirect the user (or to
redirect them directly if whitelisted).
new_user: set to true to use wording for the consent appropriate to a user
who has just registered.
auth_provider_id: the ID of the SSO IdP which was used to log in. This
is used to track counts of sucessful logins by IdP.
"""
await self._auth_handler.complete_sso_login(
registered_user_id,
auth_provider_id,
request,
client_redirect_url,
new_user=new_user,
)
@defer.inlineCallbacks
def get_state_events_in_room(
self, room_id: str, types: Iterable[Tuple[str, Optional[str]]]
) -> Generator[defer.Deferred, Any, Iterable[EventBase]]:
"""Gets current state events for the given room.
(This is exposed for compatibility with the old SpamCheckerApi. We should
probably deprecate it and replace it with an async method in a subclass.)
Added in Synapse v1.22.0.
Args:
room_id: The room ID to get state events in.
types: The event type and state key (using None
to represent 'any') of the room state to acquire.
Returns:
twisted.internet.defer.Deferred[list(synapse.events.FrozenEvent)]:
The filtered state events in the room.
"""
state_ids = yield defer.ensureDeferred(
self._store.get_filtered_current_state_ids(
room_id=room_id, state_filter=StateFilter.from_types(types)
)
)
state = yield defer.ensureDeferred(self._store.get_events(state_ids.values()))
return state.values()
async def update_room_membership(
self,
sender: str,
target: str,
room_id: str,
new_membership: str,
content: Optional[JsonDict] = None,
) -> EventBase:
"""Updates the membership of a user to the given value.
Added in Synapse v1.46.0.
Args:
sender: The user performing the membership change. Must be a user local to
this homeserver.
target: The user whose membership is changing. This is often the same value
as `sender`, but it might differ in some cases (e.g. when kicking a user,
the `sender` is the user performing the kick and the `target` is the user
being kicked).
room_id: The room in which to change the membership.
new_membership: The new membership state of `target` after this operation. See
https://spec.matrix.org/unstable/client-server-api/#mroommember for the
list of allowed values.
content: Additional values to include in the resulting event's content.
Returns:
The newly created membership event.
Raises:
RuntimeError if the `sender` isn't a local user.
ShadowBanError if a shadow-banned requester attempts to send an invite.
SynapseError if the module attempts to send a membership event that isn't
allowed, either by the server's configuration (e.g. trying to set a
per-room display name that's too long) or by the validation rules around
membership updates (e.g. the `membership` value is invalid).
"""
if not self.is_mine(sender):
raise RuntimeError(
"Tried to send an event as a user that isn't local to this homeserver",
)
requester = create_requester(sender)
target_user_id = UserID.from_string(target)
if content is None:
content = {}
# Set the profile if not already done by the module.
if "avatar_url" not in content or "displayname" not in content:
try:
# Try to fetch the user's profile.
profile = await self._hs.get_profile_handler().get_profile(
target_user_id.to_string(),
)
except SynapseError as e:
# If the profile couldn't be found, use default values.
profile = {
"displayname": target_user_id.localpart,
"avatar_url": None,
}
if e.code != 404:
# If the error isn't 404, it means we tried to fetch the profile over
# federation but the remote server responded with a non-standard
# status code.
logger.error(
"Got non-404 error status when fetching profile for %s",
target_user_id.to_string(),
)
# Set the profile where it needs to be set.
if "avatar_url" not in content:
content["avatar_url"] = profile["avatar_url"]
if "displayname" not in content:
content["displayname"] = profile["displayname"]
event_id, _ = await self._hs.get_room_member_handler().update_membership(
requester=requester,
target=target_user_id,
room_id=room_id,
action=new_membership,
content=content,
)
# Try to retrieve the resulting event.
event = await self._hs.get_datastore().get_event(event_id)
# update_membership is supposed to always return after the event has been
# successfully persisted.
assert event is not None
return event
async def create_and_send_event_into_room(self, event_dict: JsonDict) -> EventBase:
"""Create and send an event into a room.
Membership events are not supported by this method. To update a user's membership
in a room, please use the `update_room_membership` method instead.
Added in Synapse v1.22.0.
Args:
event_dict: A dictionary representing the event to send.
Required keys are `type`, `room_id`, `sender` and `content`.
Returns:
The event that was sent. If state event deduplication happened, then
the previous, duplicate event instead.
Raises:
SynapseError if the event was not allowed.
"""
# Create a requester object
requester = create_requester(
event_dict["sender"], authenticated_entity=self._server_name
)
# Create and send the event
(
event,
_,
) = await self._hs.get_event_creation_handler().create_and_send_nonmember_event(
requester,
event_dict,
ratelimit=False,
ignore_shadow_ban=True,
)
return event
async def send_local_online_presence_to(self, users: Iterable[str]) -> None:
"""
Forces the equivalent of a presence initial_sync for a set of local or remote
users. The users will receive presence for all currently online users that they
are considered interested in.
Updates to remote users will be sent immediately, whereas local users will receive
them on their next sync attempt.
Note that this method can only be run on the process that is configured to write to the
presence stream. By default this is the main process.
Added in Synapse v1.32.0.
"""
if self._hs._instance_name not in self._hs.config.worker.writers.presence:
raise Exception(
"send_local_online_presence_to can only be run "
"on the process that is configured to write to the "
"presence stream (by default this is the main process)",
)
local_users = set()
remote_users = set()
for user in users:
if self._hs.is_mine_id(user):
local_users.add(user)
else:
remote_users.add(user)
# We pull out the presence handler here to break a cyclic
# dependency between the presence router and module API.
presence_handler = self._hs.get_presence_handler()
if local_users:
# Force a presence initial_sync for these users next time they sync.
await presence_handler.send_full_presence_to_users(local_users)
for user in remote_users:
# Retrieve presence state for currently online users that this user
# is considered interested in.
presence_events, _ = await self._presence_stream.get_new_events(
UserID.from_string(user), from_key=None, include_offline=False
)
# Send to remote destinations.
destination = UserID.from_string(user).domain
presence_handler.get_federation_queue().send_presence_to_destinations(
presence_events, destination
)
def looping_background_call(
self,
f: Callable,
msec: float,
*args,
desc: Optional[str] = None,
run_on_all_instances: bool = False,
**kwargs,
):
"""Wraps a function as a background process and calls it repeatedly.
NOTE: Will only run on the instance that is configured to run
background processes (which is the main process by default), unless
`run_on_all_workers` is set.
Waits `msec` initially before calling `f` for the first time.
Added in Synapse v1.39.0.
Args:
f: The function to call repeatedly. f can be either synchronous or
asynchronous, and must follow Synapse's logcontext rules.
More info about logcontexts is available at
https://matrix-org.github.io/synapse/latest/log_contexts.html
msec: How long to wait between calls in milliseconds.
*args: Positional arguments to pass to function.
desc: The background task's description. Default to the function's name.
run_on_all_instances: Whether to run this on all instances, rather
than just the instance configured to run background tasks.
**kwargs: Key arguments to pass to function.
"""
if desc is None:
desc = f.__name__
if self._hs.config.worker.run_background_tasks or run_on_all_instances:
self._clock.looping_call(
run_as_background_process,
msec,
desc,
f,
*args,
**kwargs,
)
else:
logger.warning(
"Not running looping call %s as the configuration forbids it",
f,
)
async def send_mail(
self,
recipient: str,
subject: str,
html: str,
text: str,
):
"""Send an email on behalf of the homeserver.
Added in Synapse v1.39.0.
Args:
recipient: The email address for the recipient.
subject: The email's subject.
html: The email's HTML content.
text: The email's text content.
"""
await self._send_email_handler.send_email(
email_address=recipient,
subject=subject,
app_name=self.email_app_name,
html=html,
text=text,
)
def read_templates(
self,
filenames: List[str],
custom_template_directory: Optional[str] = None,
) -> List[jinja2.Template]:
"""Read and load the content of the template files at the given location.
By default, Synapse will look for these templates in its configured template
directory, but another directory to search in can be provided.
Added in Synapse v1.39.0.
Args:
filenames: The name of the template files to look for.
custom_template_directory: An additional directory to look for the files in.
Returns:
A list containing the loaded templates, with the orders matching the one of
the filenames parameter.
"""
return self._hs.config.read_templates(
filenames,
(td for td in (self.custom_template_dir, custom_template_directory) if td),
)
def is_mine(self, id: Union[str, DomainSpecificString]) -> bool:
"""
Checks whether an ID (user id, room, ...) comes from this homeserver.
Added in Synapse v1.44.0.
Args:
id: any Matrix id (e.g. user id, room id, ...), either as a raw id,
e.g. string "@user:example.com" or as a parsed UserID, RoomID, ...
Returns:
True if id comes from this homeserver, False otherwise.
"""
if isinstance(id, DomainSpecificString):
return self._hs.is_mine(id)
else:
return self._hs.is_mine_id(id)
async def get_user_ip_and_agents(
self, user_id: str, since_ts: int = 0
) -> List[UserIpAndAgent]:
"""
Return the list of user IPs and agents for a user.
Added in Synapse v1.44.0.
Args:
user_id: the id of a user, local or remote
since_ts: a timestamp in seconds since the epoch,
or the epoch itself if not specified.
Returns:
The list of all UserIpAndAgent that the user has
used to connect to this homeserver since `since_ts`.
If the user is remote, this list is empty.
"""
# Don't hit the db if this is not a local user.
is_mine = False
try:
# Let's be defensive against ill-formed strings.
if self.is_mine(user_id):
is_mine = True
except Exception:
pass
if is_mine:
raw_data = await self._store.get_user_ip_and_agents(
UserID.from_string(user_id), since_ts
)
# Sanitize some of the data. We don't want to return tokens.
return [
UserIpAndAgent(
ip=data["ip"],
user_agent=data["user_agent"],
last_seen=data["last_seen"],
)
for data in raw_data
]
else:
return []
async def get_room_state(
self,
room_id: str,
event_filter: Optional[Iterable[Tuple[str, Optional[str]]]] = None,
) -> StateMap[EventBase]:
"""Returns the current state of the given room.
The events are returned as a mapping, in which the key for each event is a tuple
which first element is the event's type and the second one is its state key.
Added in Synapse v1.47.0
Args:
room_id: The ID of the room to get state from.
event_filter: A filter to apply when retrieving events. None if no filter
should be applied. If provided, must be an iterable of tuples. A tuple's
first element is the event type and the second is the state key, or is
None if the state key should not be filtered on.
An example of a filter is:
[
("m.room.member", "@alice:example.com"), # Member event for @alice:example.com
("org.matrix.some_event", ""), # State event of type "org.matrix.some_event"
# with an empty string as its state key
("org.matrix.some_other_event", None), # State events of type "org.matrix.some_other_event"
# regardless of their state key
]
"""
if event_filter:
# If a filter was provided, turn it into a StateFilter and retrieve a filtered
# view of the state.
state_filter = StateFilter.from_types(event_filter)
state_ids = await self._store.get_filtered_current_state_ids(
room_id,
state_filter,
)
else:
# If no filter was provided, get the whole state. We could also reuse the call
# to get_filtered_current_state_ids above, with `state_filter = StateFilter.all()`,
# but get_filtered_current_state_ids isn't cached and `get_current_state_ids`
# is, so using the latter when we can is better for perf.
state_ids = await self._store.get_current_state_ids(room_id)
state_events = await self._store.get_events(state_ids.values())
return {key: state_events[event_id] for key, event_id in state_ids.items()}
class PublicRoomListManager:
"""Contains methods for adding to, removing from and querying whether a room
is in the public room list.
"""
def __init__(self, hs: "HomeServer"):
self._store = hs.get_datastore()
async def room_is_in_public_room_list(self, room_id: str) -> bool:
"""Checks whether a room is in the public room list.
Added in Synapse v1.22.0.
Args:
room_id: The ID of the room.
Returns:
Whether the room is in the public room list. Returns False if the room does
not exist.
"""
room = await self._store.get_room(room_id)
if not room:
return False
return room.get("is_public", False)
async def add_room_to_public_room_list(self, room_id: str) -> None:
"""Publishes a room to the public room list.
Added in Synapse v1.22.0.
Args:
room_id: The ID of the room.
"""
await self._store.set_room_is_public(room_id, True)
async def remove_room_from_public_room_list(self, room_id: str) -> None:
"""Removes a room from the public room list.
Added in Synapse v1.22.0.
Args:
room_id: The ID of the room.
"""
await self._store.set_room_is_public(room_id, False)
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