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Merge branch 'matthew/gin_work_mem' into matthew/hit_the_gin

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This commit is contained in:
Richard van der Hoff 2018-02-13 16:45:36 +00:00
commit ddb6a79b68
116 changed files with 4226 additions and 1834 deletions
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2
synapse/__init__.py
View file

@ -16,4 +16,4 @@
""" This is a reference implementation of a Matrix home server.
"""
__version__ = "0.25.1"
__version__ = "0.26.0"

27
synapse/api/errors.py
View file

@ -46,6 +46,7 @@ class Codes(object):
THREEPID_AUTH_FAILED = "M_THREEPID_AUTH_FAILED"
THREEPID_IN_USE = "M_THREEPID_IN_USE"
THREEPID_NOT_FOUND = "M_THREEPID_NOT_FOUND"
THREEPID_DENIED = "M_THREEPID_DENIED"
INVALID_USERNAME = "M_INVALID_USERNAME"
SERVER_NOT_TRUSTED = "M_SERVER_NOT_TRUSTED"
@ -140,6 +141,32 @@ class RegistrationError(SynapseError):
pass
class FederationDeniedError(SynapseError):
"""An error raised when the server tries to federate with a server which
is not on its federation whitelist.
Attributes:
destination (str): The destination which has been denied
"""
def __init__(self, destination):
"""Raised by federation client or server to indicate that we are
are deliberately not attempting to contact a given server because it is
not on our federation whitelist.
Args:
destination (str): the domain in question
"""
self.destination = destination
super(FederationDeniedError, self).__init__(
code=403,
msg="Federation denied with %s." % (self.destination,),
errcode=Codes.FORBIDDEN,
)
class InteractiveAuthIncompleteError(Exception):
"""An error raised when UI auth is not yet complete

13
synapse/app/appservice.py
View file

@ -49,19 +49,6 @@ class AppserviceSlaveStore(
class AppserviceServer(HomeServer):
def get_db_conn(self, run_new_connection=True):
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def setup(self):
logger.info("Setting up.")
self.datastore = AppserviceSlaveStore(self.get_db_conn(), self)

13
synapse/app/client_reader.py
View file

@ -64,19 +64,6 @@ class ClientReaderSlavedStore(
class ClientReaderServer(HomeServer):
def get_db_conn(self, run_new_connection=True):
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def setup(self):
logger.info("Setting up.")
self.datastore = ClientReaderSlavedStore(self.get_db_conn(), self)

13
synapse/app/federation_reader.py
View file

@ -58,19 +58,6 @@ class FederationReaderSlavedStore(
class FederationReaderServer(HomeServer):
def get_db_conn(self, run_new_connection=True):
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def setup(self):
logger.info("Setting up.")
self.datastore = FederationReaderSlavedStore(self.get_db_conn(), self)

13
synapse/app/federation_sender.py
View file

@ -76,19 +76,6 @@ class FederationSenderSlaveStore(
class FederationSenderServer(HomeServer):
def get_db_conn(self, run_new_connection=True):
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def setup(self):
logger.info("Setting up.")
self.datastore = FederationSenderSlaveStore(self.get_db_conn(), self)

13
synapse/app/frontend_proxy.py
View file

@ -118,19 +118,6 @@ class FrontendProxySlavedStore(
class FrontendProxyServer(HomeServer):
def get_db_conn(self, run_new_connection=True):
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def setup(self):
logger.info("Setting up.")
self.datastore = FrontendProxySlavedStore(self.get_db_conn(), self)

13
synapse/app/homeserver.py
View file

@ -266,19 +266,6 @@ class SynapseHomeServer(HomeServer):
except IncorrectDatabaseSetup as e:
quit_with_error(e.message)
def get_db_conn(self, run_new_connection=True):
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def setup(config_options):
"""

13
synapse/app/media_repository.py
View file

@ -60,19 +60,6 @@ class MediaRepositorySlavedStore(
class MediaRepositoryServer(HomeServer):
def get_db_conn(self, run_new_connection=True):
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def setup(self):
logger.info("Setting up.")
self.datastore = MediaRepositorySlavedStore(self.get_db_conn(), self)

13
synapse/app/pusher.py
View file

@ -81,19 +81,6 @@ class PusherSlaveStore(
class PusherServer(HomeServer):
def get_db_conn(self, run_new_connection=True):
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def setup(self):
logger.info("Setting up.")
self.datastore = PusherSlaveStore(self.get_db_conn(), self)

13
synapse/app/synchrotron.py
View file

@ -246,19 +246,6 @@ class SynchrotronApplicationService(object):
class SynchrotronServer(HomeServer):
def get_db_conn(self, run_new_connection=True):
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def setup(self):
logger.info("Setting up.")
self.datastore = SynchrotronSlavedStore(self.get_db_conn(), self)

31
synapse/app/synctl.py
View file

@ -184,6 +184,9 @@ def main():
worker_configfiles.append(worker_configfile)
if options.all_processes:
# To start the main synapse with -a you need to add a worker file
# with worker_app == "synapse.app.homeserver"
start_stop_synapse = False
worker_configdir = options.all_processes
if not os.path.isdir(worker_configdir):
write(
@ -200,11 +203,29 @@ def main():
with open(worker_configfile) as stream:
worker_config = yaml.load(stream)
worker_app = worker_config["worker_app"]
worker_pidfile = worker_config["worker_pid_file"]
worker_daemonize = worker_config["worker_daemonize"]
assert worker_daemonize, "In config %r: expected '%s' to be True" % (
worker_configfile, "worker_daemonize")
worker_cache_factor = worker_config.get("synctl_cache_factor")
if worker_app == "synapse.app.homeserver":
# We need to special case all of this to pick up options that may
# be set in the main config file or in this worker config file.
worker_pidfile = (
worker_config.get("pid_file")
or pidfile
)
worker_cache_factor = worker_config.get("synctl_cache_factor") or cache_factor
daemonize = worker_config.get("daemonize") or config.get("daemonize")
assert daemonize, "Main process must have daemonize set to true"
# The master process doesn't support using worker_* config.
for key in worker_config:
if key == "worker_app": # But we allow worker_app
continue
assert not key.startswith("worker_"), \
"Main process cannot use worker_* config"
else:
worker_pidfile = worker_config["worker_pid_file"]
worker_daemonize = worker_config["worker_daemonize"]
assert worker_daemonize, "In config %r: expected '%s' to be True" % (
worker_configfile, "worker_daemonize")
worker_cache_factor = worker_config.get("synctl_cache_factor")
workers.append(Worker(
worker_app, worker_configfile, worker_pidfile, worker_cache_factor,
))

13
synapse/app/user_dir.py
View file

@ -92,19 +92,6 @@ class UserDirectorySlaveStore(
class UserDirectoryServer(HomeServer):
def get_db_conn(self, run_new_connection=True):
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def setup(self):
logger.info("Setting up.")
self.datastore = UserDirectorySlaveStore(self.get_db_conn(), self)

50
synapse/config/logger.py
View file

@ -28,27 +28,27 @@ DEFAULT_LOG_CONFIG = Template("""
version: 1
formatters:
precise:
format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s\
- %(message)s'
precise:
format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - \
%(request)s - %(message)s'
filters:
context:
(): synapse.util.logcontext.LoggingContextFilter
request: ""
context:
(): synapse.util.logcontext.LoggingContextFilter
request: ""
handlers:
file:
class: logging.handlers.RotatingFileHandler
formatter: precise
filename: ${log_file}
maxBytes: 104857600
backupCount: 10
filters: [context]
console:
class: logging.StreamHandler
formatter: precise
filters: [context]
file:
class: logging.handlers.RotatingFileHandler
formatter: precise
filename: ${log_file}
maxBytes: 104857600
backupCount: 10
filters: [context]
console:
class: logging.StreamHandler
formatter: precise
filters: [context]
loggers:
synapse:
@ -74,17 +74,10 @@ class LoggingConfig(Config):
self.log_file = self.abspath(config.get("log_file"))
def default_config(self, config_dir_path, server_name, **kwargs):
log_file = self.abspath("homeserver.log")
log_config = self.abspath(
os.path.join(config_dir_path, server_name + ".log.config")
)
return """
# Logging verbosity level. Ignored if log_config is specified.
verbose: 0
# File to write logging to. Ignored if log_config is specified.
log_file: "%(log_file)s"
# A yaml python logging config file
log_config: "%(log_config)s"
""" % locals()
@ -123,9 +116,10 @@ class LoggingConfig(Config):
def generate_files(self, config):
log_config = config.get("log_config")
if log_config and not os.path.exists(log_config):
log_file = self.abspath("homeserver.log")
with open(log_config, "wb") as log_config_file:
log_config_file.write(
DEFAULT_LOG_CONFIG.substitute(log_file=config["log_file"])
DEFAULT_LOG_CONFIG.substitute(log_file=log_file)
)
@ -150,6 +144,9 @@ def setup_logging(config, use_worker_options=False):
)
if log_config is None:
# We don't have a logfile, so fall back to the 'verbosity' param from
# the config or cmdline. (Note that we generate a log config for new
# installs, so this will be an unusual case)
level = logging.INFO
level_for_storage = logging.INFO
if config.verbosity:
@ -157,11 +154,10 @@ def setup_logging(config, use_worker_options=False):
if config.verbosity > 1:
level_for_storage = logging.DEBUG
# FIXME: we need a logging.WARN for a -q quiet option
logger = logging.getLogger('')
logger.setLevel(level)
logging.getLogger('synapse.storage').setLevel(level_for_storage)
logging.getLogger('synapse.storage.SQL').setLevel(level_for_storage)
formatter = logging.Formatter(log_format)
if log_file:

19
synapse/config/registration.py
View file

@ -31,6 +31,8 @@ class RegistrationConfig(Config):
strtobool(str(config["disable_registration"]))
)
self.registrations_require_3pid = config.get("registrations_require_3pid", [])
self.allowed_local_3pids = config.get("allowed_local_3pids", [])
self.registration_shared_secret = config.get("registration_shared_secret")
self.bcrypt_rounds = config.get("bcrypt_rounds", 12)
@ -52,6 +54,23 @@ class RegistrationConfig(Config):
# Enable registration for new users.
enable_registration: False
# The user must provide all of the below types of 3PID when registering.
#
# registrations_require_3pid:
# - email
# - msisdn
# Mandate that users are only allowed to associate certain formats of
# 3PIDs with accounts on this server.
#
# allowed_local_3pids:
# - medium: email
# pattern: ".*@matrix\\.org"
# - medium: email
# pattern: ".*@vector\\.im"
# - medium: msisdn
# pattern: "\\+44"
# If set, allows registration by anyone who also has the shared
# secret, even if registration is otherwise disabled.
registration_shared_secret: "%(registration_shared_secret)s"

87
synapse/config/repository.py
View file

@ -16,6 +16,8 @@
from ._base import Config, ConfigError
from collections import namedtuple
from synapse.util.module_loader import load_module
MISSING_NETADDR = (
"Missing netaddr library. This is required for URL preview API."
@ -36,6 +38,14 @@ ThumbnailRequirement = namedtuple(
"ThumbnailRequirement", ["width", "height", "method", "media_type"]
)
MediaStorageProviderConfig = namedtuple(
"MediaStorageProviderConfig", (
"store_local", # Whether to store newly uploaded local files
"store_remote", # Whether to store newly downloaded remote files
"store_synchronous", # Whether to wait for successful storage for local uploads
),
)
def parse_thumbnail_requirements(thumbnail_sizes):
""" Takes a list of dictionaries with "width", "height", and "method" keys
@ -73,16 +83,61 @@ class ContentRepositoryConfig(Config):
self.media_store_path = self.ensure_directory(config["media_store_path"])
self.backup_media_store_path = config.get("backup_media_store_path")
if self.backup_media_store_path:
self.backup_media_store_path = self.ensure_directory(
self.backup_media_store_path
)
backup_media_store_path = config.get("backup_media_store_path")
self.synchronous_backup_media_store = config.get(
synchronous_backup_media_store = config.get(
"synchronous_backup_media_store", False
)
storage_providers = config.get("media_storage_providers", [])
if backup_media_store_path:
if storage_providers:
raise ConfigError(
"Cannot use both 'backup_media_store_path' and 'storage_providers'"
)
storage_providers = [{
"module": "file_system",
"store_local": True,
"store_synchronous": synchronous_backup_media_store,
"store_remote": True,
"config": {
"directory": backup_media_store_path,
}
}]
# This is a list of config that can be used to create the storage
# providers. The entries are tuples of (Class, class_config,
# MediaStorageProviderConfig), where Class is the class of the provider,
# the class_config the config to pass to it, and
# MediaStorageProviderConfig are options for StorageProviderWrapper.
#
# We don't create the storage providers here as not all workers need
# them to be started.
self.media_storage_providers = []
for provider_config in storage_providers:
# We special case the module "file_system" so as not to need to
# expose FileStorageProviderBackend
if provider_config["module"] == "file_system":
provider_config["module"] = (
"synapse.rest.media.v1.storage_provider"
".FileStorageProviderBackend"
)
provider_class, parsed_config = load_module(provider_config)
wrapper_config = MediaStorageProviderConfig(
provider_config.get("store_local", False),
provider_config.get("store_remote", False),
provider_config.get("store_synchronous", False),
)
self.media_storage_providers.append(
(provider_class, parsed_config, wrapper_config,)
)
self.uploads_path = self.ensure_directory(config["uploads_path"])
self.dynamic_thumbnails = config["dynamic_thumbnails"]
self.thumbnail_requirements = parse_thumbnail_requirements(
@ -127,13 +182,19 @@ class ContentRepositoryConfig(Config):
# Directory where uploaded images and attachments are stored.
media_store_path: "%(media_store)s"
# A secondary directory where uploaded images and attachments are
# stored as a backup.
# backup_media_store_path: "%(media_store)s"
# Whether to wait for successful write to backup media store before
# returning successfully.
# synchronous_backup_media_store: false
# Media storage providers allow media to be stored in different
# locations.
# media_storage_providers:
# - module: file_system
# # Whether to write new local files.
# store_local: false
# # Whether to write new remote media
# store_remote: false
# # Whether to block upload requests waiting for write to this
# # provider to complete
# store_synchronous: false
# config:
# directory: /mnt/some/other/directory
# Directory where in-progress uploads are stored.
uploads_path: "%(uploads_path)s"

22
synapse/config/server.py
View file

@ -55,6 +55,17 @@ class ServerConfig(Config):
"block_non_admin_invites", False,
)
# FIXME: federation_domain_whitelist needs sytests
self.federation_domain_whitelist = None
federation_domain_whitelist = config.get(
"federation_domain_whitelist", None
)
# turn the whitelist into a hash for speed of lookup
if federation_domain_whitelist is not None:
self.federation_domain_whitelist = {}
for domain in federation_domain_whitelist:
self.federation_domain_whitelist[domain] = True
if self.public_baseurl is not None:
if self.public_baseurl[-1] != '/':
self.public_baseurl += '/'
@ -210,6 +221,17 @@ class ServerConfig(Config):
# (except those sent by local server admins). The default is False.
# block_non_admin_invites: True
# Restrict federation to the following whitelist of domains.
# N.B. we recommend also firewalling your federation listener to limit
# inbound federation traffic as early as possible, rather than relying
# purely on this application-layer restriction. If not specified, the
# default is to whitelist everything.
#
# federation_domain_whitelist:
# - lon.example.com
# - nyc.example.com
# - syd.example.com
# List of ports that Synapse should listen on, their purpose and their
# configuration.
listeners:

2
synapse/config/tls.py
View file

@ -96,7 +96,7 @@ class TlsConfig(Config):
# certificates returned by this server match one of the fingerprints.
#
# Synapse automatically adds the fingerprint of its own certificate
# to the list. So if federation traffic is handle directly by synapse
# to the list. So if federation traffic is handled directly by synapse
# then no modification to the list is required.
#
# If synapse is run behind a load balancer that handles the TLS then it

5
synapse/config/workers.py
View file

@ -23,6 +23,11 @@ class WorkerConfig(Config):
def read_config(self, config):
self.worker_app = config.get("worker_app")
# Canonicalise worker_app so that master always has None
if self.worker_app == "synapse.app.homeserver":
self.worker_app = None
self.worker_listeners = config.get("worker_listeners")
self.worker_daemonize = config.get("worker_daemonize")
self.worker_pid_file = config.get("worker_pid_file")

2
synapse/event_auth.py
View file

@ -319,7 +319,7 @@ def _is_membership_change_allowed(event, auth_events):
# TODO (erikj): Implement kicks.
if target_banned and user_level < ban_level:
raise AuthError(
403, "You cannot unban user &s." % (target_user_id,)
403, "You cannot unban user %s." % (target_user_id,)
)
elif target_user_id != event.user_id:
kick_level = _get_named_level(auth_events, "kick", 50)

4
synapse/events/snapshot.py
View file

@ -25,7 +25,9 @@ class EventContext(object):
The current state map excluding the current event.
(type, state_key) -> event_id
state_group (int): state group id
state_group (int|None): state group id, if the state has been stored
as a state group. This is usually only None if e.g. the event is
an outlier.
rejected (bool|str): A rejection reason if the event was rejected, else
False

27
synapse/federation/federation_base.py
View file

@ -16,7 +16,9 @@ import logging
from synapse.api.errors import SynapseError
from synapse.crypto.event_signing import check_event_content_hash
from synapse.events import FrozenEvent
from synapse.events.utils import prune_event
from synapse.http.servlet import assert_params_in_request
from synapse.util import unwrapFirstError, logcontext
from twisted.internet import defer
@ -169,3 +171,28 @@ class FederationBase(object):
)
return deferreds
def event_from_pdu_json(pdu_json, outlier=False):
"""Construct a FrozenEvent from an event json received over federation
Args:
pdu_json (object): pdu as received over federation
outlier (bool): True to mark this event as an outlier
Returns:
FrozenEvent
Raises:
SynapseError: if the pdu is missing required fields
"""
# we could probably enforce a bunch of other fields here (room_id, sender,
# origin, etc etc)
assert_params_in_request(pdu_json, ('event_id', 'type'))
event = FrozenEvent(
pdu_json
)
event.internal_metadata.outlier = outlier
return event

66
synapse/federation/federation_client.py
View file

@ -14,28 +14,28 @@
# limitations under the License.
from twisted.internet import defer
from .federation_base import FederationBase
from synapse.api.constants import Membership
from synapse.api.errors import (
CodeMessageException, HttpResponseException, SynapseError,
)
from synapse.util import unwrapFirstError, logcontext
from synapse.util.caches.expiringcache import ExpiringCache
from synapse.util.logutils import log_function
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
from synapse.events import FrozenEvent, builder
import synapse.metrics
from synapse.util.retryutils import NotRetryingDestination
import copy
import itertools
import logging
import random
from twisted.internet import defer
from synapse.api.constants import Membership
from synapse.api.errors import (
CodeMessageException, HttpResponseException, SynapseError, FederationDeniedError
)
from synapse.events import builder
from synapse.federation.federation_base import (
FederationBase,
event_from_pdu_json,
)
import synapse.metrics
from synapse.util import logcontext, unwrapFirstError
from synapse.util.caches.expiringcache import ExpiringCache
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
from synapse.util.logutils import log_function
from synapse.util.retryutils import NotRetryingDestination
logger = logging.getLogger(__name__)
@ -184,7 +184,7 @@ class FederationClient(FederationBase):
logger.debug("backfill transaction_data=%s", repr(transaction_data))
pdus = [
self.event_from_pdu_json(p, outlier=False)
event_from_pdu_json(p, outlier=False)
for p in transaction_data["pdus"]
]
@ -244,7 +244,7 @@ class FederationClient(FederationBase):
logger.debug("transaction_data %r", transaction_data)
pdu_list = [
self.event_from_pdu_json(p, outlier=outlier)
event_from_pdu_json(p, outlier=outlier)
for p in transaction_data["pdus"]
]
@ -266,6 +266,9 @@ class FederationClient(FederationBase):
except NotRetryingDestination as e:
logger.info(e.message)
continue
except FederationDeniedError as e:
logger.info(e.message)
continue
except Exception as e:
pdu_attempts[destination] = now
@ -336,11 +339,11 @@ class FederationClient(FederationBase):
)
pdus = [
self.event_from_pdu_json(p, outlier=True) for p in result["pdus"]
event_from_pdu_json(p, outlier=True) for p in result["pdus"]
]
auth_chain = [
self.event_from_pdu_json(p, outlier=True)
event_from_pdu_json(p, outlier=True)
for p in result.get("auth_chain", [])
]
@ -441,7 +444,7 @@ class FederationClient(FederationBase):
)
auth_chain = [
self.event_from_pdu_json(p, outlier=True)
event_from_pdu_json(p, outlier=True)
for p in res["auth_chain"]
]
@ -570,12 +573,12 @@ class FederationClient(FederationBase):
logger.debug("Got content: %s", content)
state = [
self.event_from_pdu_json(p, outlier=True)
event_from_pdu_json(p, outlier=True)
for p in content.get("state", [])
]
auth_chain = [
self.event_from_pdu_json(p, outlier=True)
event_from_pdu_json(p, outlier=True)
for p in content.get("auth_chain", [])
]
@ -650,7 +653,7 @@ class FederationClient(FederationBase):
logger.debug("Got response to send_invite: %s", pdu_dict)
pdu = self.event_from_pdu_json(pdu_dict)
pdu = event_from_pdu_json(pdu_dict)
# Check signatures are correct.
pdu = yield self._check_sigs_and_hash(pdu)
@ -740,7 +743,7 @@ class FederationClient(FederationBase):
)
auth_chain = [
self.event_from_pdu_json(e)
event_from_pdu_json(e)
for e in content["auth_chain"]
]
@ -788,7 +791,7 @@ class FederationClient(FederationBase):
)
events = [
self.event_from_pdu_json(e)
event_from_pdu_json(e)
for e in content.get("events", [])
]
@ -805,15 +808,6 @@ class FederationClient(FederationBase):
defer.returnValue(signed_events)
def event_from_pdu_json(self, pdu_json, outlier=False):
event = FrozenEvent(
pdu_json
)
event.internal_metadata.outlier = outlier
return event
@defer.inlineCallbacks
def forward_third_party_invite(self, destinations, room_id, event_dict):
for destination in destinations:

52
synapse/federation/federation_server.py
View file

@ -12,25 +12,24 @@
# 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 .federation_base import FederationBase
from .units import Transaction, Edu
from synapse.util import async
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
from synapse.util.logutils import log_function
from synapse.util.caches.response_cache import ResponseCache
from synapse.events import FrozenEvent
from synapse.types import get_domain_from_id
import synapse.metrics
from synapse.api.errors import AuthError, FederationError, SynapseError
from synapse.crypto.event_signing import compute_event_signature
import logging
import simplejson as json
import logging
from twisted.internet import defer
from synapse.api.errors import AuthError, FederationError, SynapseError
from synapse.crypto.event_signing import compute_event_signature
from synapse.federation.federation_base import (
FederationBase,
event_from_pdu_json,
)
from synapse.federation.units import Edu, Transaction
import synapse.metrics
from synapse.types import get_domain_from_id
from synapse.util import async
from synapse.util.caches.response_cache import ResponseCache
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
from synapse.util.logutils import log_function
# when processing incoming transactions, we try to handle multiple rooms in
# parallel, up to this limit.
@ -172,7 +171,7 @@ class FederationServer(FederationBase):
p["age_ts"] = request_time - int(p["age"])
del p["age"]
event = self.event_from_pdu_json(p)
event = event_from_pdu_json(p)
room_id = event.room_id
pdus_by_room.setdefault(room_id, []).append(event)
@ -346,7 +345,7 @@ class FederationServer(FederationBase):
@defer.inlineCallbacks
def on_invite_request(self, origin, content):
pdu = self.event_from_pdu_json(content)
pdu = 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)}))
@ -354,7 +353,7 @@ class FederationServer(FederationBase):
@defer.inlineCallbacks
def on_send_join_request(self, origin, content):
logger.debug("on_send_join_request: content: %s", content)
pdu = self.event_from_pdu_json(content)
pdu = event_from_pdu_json(content)
logger.debug("on_send_join_request: pdu sigs: %s", pdu.signatures)
res_pdus = yield self.handler.on_send_join_request(origin, pdu)
time_now = self._clock.time_msec()
@ -374,7 +373,7 @@ class FederationServer(FederationBase):
@defer.inlineCallbacks
def on_send_leave_request(self, origin, content):
logger.debug("on_send_leave_request: content: %s", content)
pdu = self.event_from_pdu_json(content)
pdu = event_from_pdu_json(content)
logger.debug("on_send_leave_request: pdu sigs: %s", pdu.signatures)
yield self.handler.on_send_leave_request(origin, pdu)
defer.returnValue((200, {}))
@ -411,7 +410,7 @@ class FederationServer(FederationBase):
"""
with (yield self._server_linearizer.queue((origin, room_id))):
auth_chain = [
self.event_from_pdu_json(e)
event_from_pdu_json(e)
for e in content["auth_chain"]
]
@ -586,15 +585,6 @@ class FederationServer(FederationBase):
def __str__(self):
return "<ReplicationLayer(%s)>" % self.server_name
def event_from_pdu_json(self, pdu_json, outlier=False):
event = FrozenEvent(
pdu_json
)
event.internal_metadata.outlier = outlier
return event
@defer.inlineCallbacks
def exchange_third_party_invite(
self,

8
synapse/federation/transaction_queue.py
View file

@ -19,7 +19,7 @@ from twisted.internet import defer
from .persistence import TransactionActions
from .units import Transaction, Edu
from synapse.api.errors import HttpResponseException
from synapse.api.errors import HttpResponseException, FederationDeniedError
from synapse.util import logcontext, PreserveLoggingContext
from synapse.util.async import run_on_reactor
from synapse.util.retryutils import NotRetryingDestination, get_retry_limiter
@ -42,6 +42,8 @@ sent_edus_counter = client_metrics.register_counter("sent_edus")
sent_transactions_counter = client_metrics.register_counter("sent_transactions")
events_processed_counter = client_metrics.register_counter("events_processed")
class TransactionQueue(object):
"""This class makes sure we only have one transaction in flight at
@ -205,6 +207,8 @@ class TransactionQueue(object):
self._send_pdu(event, destinations)
events_processed_counter.inc_by(len(events))
yield self.store.update_federation_out_pos(
"events", next_token
)
@ -486,6 +490,8 @@ class TransactionQueue(object):
(e.retry_last_ts + e.retry_interval) / 1000.0
),
)
except FederationDeniedError as e:
logger.info(e)
except Exception as e:
logger.warn(
"TX [%s] Failed to send transaction: %s",

3
synapse/federation/transport/client.py
View file

@ -212,6 +212,9 @@ class TransportLayerClient(object):
Fails with ``NotRetryingDestination`` if we are not yet ready
to retry this server.
Fails with ``FederationDeniedError`` if the remote destination
is not in our federation whitelist
"""
valid_memberships = {Membership.JOIN, Membership.LEAVE}
if membership not in valid_memberships:

9
synapse/federation/transport/server.py
View file

@ -16,7 +16,7 @@
from twisted.internet import defer
from synapse.api.urls import FEDERATION_PREFIX as PREFIX
from synapse.api.errors import Codes, SynapseError
from synapse.api.errors import Codes, SynapseError, FederationDeniedError
from synapse.http.server import JsonResource
from synapse.http.servlet import (
parse_json_object_from_request, parse_integer_from_args, parse_string_from_args,
@ -81,6 +81,7 @@ class Authenticator(object):
self.keyring = hs.get_keyring()
self.server_name = hs.hostname
self.store = hs.get_datastore()
self.federation_domain_whitelist = hs.config.federation_domain_whitelist
# A method just so we can pass 'self' as the authenticator to the Servlets
@defer.inlineCallbacks
@ -92,6 +93,12 @@ class Authenticator(object):
"signatures": {},
}
if (
self.federation_domain_whitelist is not None and
self.server_name not in self.federation_domain_whitelist
):
raise FederationDeniedError(self.server_name)
if content is not None:
json_request["content"] = content

7
synapse/handlers/appservice.py
View file

@ -15,6 +15,7 @@
from twisted.internet import defer
import synapse
from synapse.api.constants import EventTypes
from synapse.util.metrics import Measure
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
@ -23,6 +24,10 @@ import logging
logger = logging.getLogger(__name__)
metrics = synapse.metrics.get_metrics_for(__name__)
events_processed_counter = metrics.register_counter("events_processed")
def log_failure(failure):
logger.error(
@ -103,6 +108,8 @@ class ApplicationServicesHandler(object):
service, event
)
events_processed_counter.inc_by(len(events))
yield self.store.set_appservice_last_pos(upper_bound)
finally:
self.is_processing = False

24
synapse/handlers/auth.py
View file

@ -13,7 +13,7 @@
# 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 twisted.internet import defer, threads
from ._base import BaseHandler
from synapse.api.constants import LoginType
@ -25,6 +25,7 @@ from synapse.module_api import ModuleApi
from synapse.types import UserID
from synapse.util.async import run_on_reactor
from synapse.util.caches.expiringcache import ExpiringCache
from synapse.util.logcontext import make_deferred_yieldable
from twisted.web.client import PartialDownloadError
@ -714,7 +715,7 @@ class AuthHandler(BaseHandler):
if not lookupres:
defer.returnValue(None)
(user_id, password_hash) = lookupres
result = self.validate_hash(password, password_hash)
result = yield self.validate_hash(password, password_hash)
if not result:
logger.warn("Failed password login for user %s", user_id)
defer.returnValue(None)
@ -842,10 +843,13 @@ class AuthHandler(BaseHandler):
password (str): Password to hash.
Returns:
Hashed password (str).
Deferred(str): Hashed password.
"""
return bcrypt.hashpw(password.encode('utf8') + self.hs.config.password_pepper,
bcrypt.gensalt(self.bcrypt_rounds))
def _do_hash():
return bcrypt.hashpw(password.encode('utf8') + self.hs.config.password_pepper,
bcrypt.gensalt(self.bcrypt_rounds))
return make_deferred_yieldable(threads.deferToThread(_do_hash))
def validate_hash(self, password, stored_hash):
"""Validates that self.hash(password) == stored_hash.
@ -855,13 +859,17 @@ class AuthHandler(BaseHandler):
stored_hash (str): Expected hash value.
Returns:
Whether self.hash(password) == stored_hash (bool).
Deferred(bool): Whether self.hash(password) == stored_hash.
"""
if stored_hash:
def _do_validate_hash():
return bcrypt.hashpw(password.encode('utf8') + self.hs.config.password_pepper,
stored_hash.encode('utf8')) == stored_hash
if stored_hash:
return make_deferred_yieldable(threads.deferToThread(_do_validate_hash))
else:
return False
return defer.succeed(False)
class MacaroonGeneartor(object):

4
synapse/handlers/device.py
View file

@ -14,6 +14,7 @@
# limitations under the License.
from synapse.api import errors
from synapse.api.constants import EventTypes
from synapse.api.errors import FederationDeniedError
from synapse.util import stringutils
from synapse.util.async import Linearizer
from synapse.util.caches.expiringcache import ExpiringCache
@ -513,6 +514,9 @@ class DeviceListEduUpdater(object):
# This makes it more likely that the device lists will
# eventually become consistent.
return
except FederationDeniedError as e:
logger.info(e)
return
except Exception:
# TODO: Remember that we are now out of sync and try again
# later

14
synapse/handlers/devicemessage.py
View file

@ -17,7 +17,8 @@ import logging
from twisted.internet import defer
from synapse.types import get_domain_from_id
from synapse.api.errors import SynapseError
from synapse.types import get_domain_from_id, UserID
from synapse.util.stringutils import random_string
@ -33,7 +34,7 @@ class DeviceMessageHandler(object):
"""
self.store = hs.get_datastore()
self.notifier = hs.get_notifier()
self.is_mine_id = hs.is_mine_id
self.is_mine = hs.is_mine
self.federation = hs.get_federation_sender()
hs.get_replication_layer().register_edu_handler(
@ -52,6 +53,12 @@ class DeviceMessageHandler(object):
message_type = content["type"]
message_id = content["message_id"]
for user_id, by_device in content["messages"].items():
# we use UserID.from_string to catch invalid user ids
if not self.is_mine(UserID.from_string(user_id)):
logger.warning("Request for keys for non-local user %s",
user_id)
raise SynapseError(400, "Not a user here")
messages_by_device = {
device_id: {
"content": message_content,
@ -77,7 +84,8 @@ class DeviceMessageHandler(object):
local_messages = {}
remote_messages = {}
for user_id, by_device in messages.items():
if self.is_mine_id(user_id):
# we use UserID.from_string to catch invalid user ids
if self.is_mine(UserID.from_string(user_id)):
messages_by_device = {
device_id: {
"content": message_content,

7
synapse/handlers/directory.py
View file

@ -34,6 +34,7 @@ class DirectoryHandler(BaseHandler):
self.state = hs.get_state_handler()
self.appservice_handler = hs.get_application_service_handler()
self.event_creation_handler = hs.get_event_creation_handler()
self.federation = hs.get_replication_layer()
self.federation.register_query_handler(
@ -249,8 +250,7 @@ class DirectoryHandler(BaseHandler):
def send_room_alias_update_event(self, requester, user_id, room_id):
aliases = yield self.store.get_aliases_for_room(room_id)
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.create_and_send_nonmember_event(
yield self.event_creation_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.Aliases,
@ -272,8 +272,7 @@ class DirectoryHandler(BaseHandler):
if not alias_event or alias_event.content.get("alias", "") != alias_str:
return
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.create_and_send_nonmember_event(
yield self.event_creation_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.CanonicalAlias,

21
synapse/handlers/e2e_keys.py
View file

@ -19,8 +19,10 @@ import logging
from canonicaljson import encode_canonical_json
from twisted.internet import defer
from synapse.api.errors import SynapseError, CodeMessageException
from synapse.types import get_domain_from_id
from synapse.api.errors import (
SynapseError, CodeMessageException, FederationDeniedError,
)
from synapse.types import get_domain_from_id, UserID
from synapse.util.logcontext import preserve_fn, make_deferred_yieldable
from synapse.util.retryutils import NotRetryingDestination
@ -32,7 +34,7 @@ class E2eKeysHandler(object):
self.store = hs.get_datastore()
self.federation = hs.get_replication_layer()
self.device_handler = hs.get_device_handler()
self.is_mine_id = hs.is_mine_id
self.is_mine = hs.is_mine
self.clock = hs.get_clock()
# doesn't really work as part of the generic query API, because the
@ -70,7 +72,8 @@ class E2eKeysHandler(object):
remote_queries = {}
for user_id, device_ids in device_keys_query.items():
if self.is_mine_id(user_id):
# we use UserID.from_string to catch invalid user ids
if self.is_mine(UserID.from_string(user_id)):
local_query[user_id] = device_ids
else:
remote_queries[user_id] = device_ids
@ -139,6 +142,10 @@ class E2eKeysHandler(object):
failures[destination] = {
"status": 503, "message": "Not ready for retry",
}
except FederationDeniedError as e:
failures[destination] = {
"status": 403, "message": "Federation Denied",
}
except Exception as e:
# include ConnectionRefused and other errors
failures[destination] = {
@ -170,7 +177,8 @@ class E2eKeysHandler(object):
result_dict = {}
for user_id, device_ids in query.items():
if not self.is_mine_id(user_id):
# we use UserID.from_string to catch invalid user ids
if not self.is_mine(UserID.from_string(user_id)):
logger.warning("Request for keys for non-local user %s",
user_id)
raise SynapseError(400, "Not a user here")
@ -213,7 +221,8 @@ class E2eKeysHandler(object):
remote_queries = {}
for user_id, device_keys in query.get("one_time_keys", {}).items():
if self.is_mine_id(user_id):
# we use UserID.from_string to catch invalid user ids
if self.is_mine(UserID.from_string(user_id)):
for device_id, algorithm in device_keys.items():
local_query.append((user_id, device_id, algorithm))
else:

58
synapse/handlers/federation.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -22,6 +23,7 @@ from ._base import BaseHandler
from synapse.api.errors import (
AuthError, FederationError, StoreError, CodeMessageException, SynapseError,
FederationDeniedError,
)
from synapse.api.constants import EventTypes, Membership, RejectedReason
from synapse.events.validator import EventValidator
@ -74,6 +76,7 @@ class FederationHandler(BaseHandler):
self.is_mine_id = hs.is_mine_id
self.pusher_pool = hs.get_pusherpool()
self.spam_checker = hs.get_spam_checker()
self.event_creation_handler = hs.get_event_creation_handler()
self.replication_layer.set_handler(self)
@ -782,6 +785,9 @@ class FederationHandler(BaseHandler):
except NotRetryingDestination as e:
logger.info(e.message)
continue
except FederationDeniedError as e:
logger.info(e)
continue
except Exception as e:
logger.exception(
"Failed to backfill from %s because %s",
@ -804,13 +810,12 @@ class FederationHandler(BaseHandler):
event_ids = list(extremities.keys())
logger.debug("calling resolve_state_groups in _maybe_backfill")
resolve = logcontext.preserve_fn(
self.state_handler.resolve_state_groups_for_events
)
states = yield logcontext.make_deferred_yieldable(defer.gatherResults(
[
logcontext.preserve_fn(self.state_handler.resolve_state_groups)(
room_id, [e]
)
for e in event_ids
], consumeErrors=True,
[resolve(room_id, [e]) for e in event_ids],
consumeErrors=True,
))
states = dict(zip(event_ids, [s.state for s in states]))
@ -1004,8 +1009,7 @@ class FederationHandler(BaseHandler):
})
try:
message_handler = self.hs.get_handlers().message_handler
event, context = yield message_handler._create_new_client_event(
event, context = yield self.event_creation_handler.create_new_client_event(
builder=builder,
)
except AuthError as e:
@ -1245,8 +1249,7 @@ class FederationHandler(BaseHandler):
"state_key": user_id,
})
message_handler = self.hs.get_handlers().message_handler
event, context = yield message_handler._create_new_client_event(
event, context = yield self.event_creation_handler.create_new_client_event(
builder=builder,
)
@ -1828,8 +1831,8 @@ class FederationHandler(BaseHandler):
current_state = set(e.event_id for e in auth_events.values())
different_auth = event_auth_events - current_state
self._update_context_for_auth_events(
context, auth_events, event_key,
yield self._update_context_for_auth_events(
event, context, auth_events, event_key,
)
if different_auth and not event.internal_metadata.is_outlier():
@ -1910,8 +1913,8 @@ class FederationHandler(BaseHandler):
# 4. Look at rejects and their proofs.
# TODO.
self._update_context_for_auth_events(
context, auth_events, event_key,
yield self._update_context_for_auth_events(
event, context, auth_events, event_key,
)
try:
@ -1920,11 +1923,15 @@ class FederationHandler(BaseHandler):
logger.warn("Failed auth resolution for %r because %s", event, e)
raise e
def _update_context_for_auth_events(self, context, auth_events,
@defer.inlineCallbacks
def _update_context_for_auth_events(self, event, context, auth_events,
event_key):
"""Update the state_ids in an event context after auth event resolution
"""Update the state_ids in an event context after auth event resolution,
storing the changes as a new state group.
Args:
event (Event): The event we're handling the context for
context (synapse.events.snapshot.EventContext): event context
to be updated
@ -1947,7 +1954,13 @@ class FederationHandler(BaseHandler):
context.prev_state_ids.update({
k: a.event_id for k, a in auth_events.iteritems()
})
context.state_group = self.store.get_next_state_group()
context.state_group = yield self.store.store_state_group(
event.event_id,
event.room_id,
prev_group=context.prev_group,
delta_ids=context.delta_ids,
current_state_ids=context.current_state_ids,
)
@defer.inlineCallbacks
def construct_auth_difference(self, local_auth, remote_auth):
@ -2117,8 +2130,7 @@ class FederationHandler(BaseHandler):
if (yield self.auth.check_host_in_room(room_id, self.hs.hostname)):
builder = self.event_builder_factory.new(event_dict)
EventValidator().validate_new(builder)
message_handler = self.hs.get_handlers().message_handler
event, context = yield message_handler._create_new_client_event(
event, context = yield self.event_creation_handler.create_new_client_event(
builder=builder
)
@ -2156,8 +2168,7 @@ class FederationHandler(BaseHandler):
"""
builder = self.event_builder_factory.new(event_dict)
message_handler = self.hs.get_handlers().message_handler
event, context = yield message_handler._create_new_client_event(
event, context = yield self.event_creation_handler.create_new_client_event(
builder=builder,
)
@ -2207,8 +2218,9 @@ class FederationHandler(BaseHandler):
builder = self.event_builder_factory.new(event_dict)
EventValidator().validate_new(builder)
message_handler = self.hs.get_handlers().message_handler
event, context = yield message_handler._create_new_client_event(builder=builder)
event, context = yield self.event_creation_handler.create_new_client_event(
builder=builder,
)
defer.returnValue((event, context))
@defer.inlineCallbacks

7
synapse/handlers/groups_local.py
View file

@ -383,11 +383,12 @@ class GroupsLocalHandler(object):
defer.returnValue({"groups": result})
else:
result = yield self.transport_client.get_publicised_groups_for_user(
get_domain_from_id(user_id), user_id
bulk_result = yield self.transport_client.bulk_get_publicised_groups(
get_domain_from_id(user_id), [user_id],
)
result = bulk_result.get("users", {}).get(user_id)
# TODO: Verify attestations
defer.returnValue(result)
defer.returnValue({"groups": result})
@defer.inlineCallbacks
def bulk_get_publicised_groups(self, user_ids, proxy=True):

373
synapse/handlers/message.py
View file

@ -1,6 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014 - 2016 OpenMarket Ltd
# Copyright 2017 New Vector Ltd
# Copyright 2017 - 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -47,23 +47,11 @@ class MessageHandler(BaseHandler):
self.hs = hs
self.state = hs.get_state_handler()
self.clock = hs.get_clock()
self.validator = EventValidator()
self.profile_handler = hs.get_profile_handler()
self.pagination_lock = ReadWriteLock()
self.pusher_pool = hs.get_pusherpool()
# We arbitrarily limit concurrent event creation for a room to 5.
# This is to stop us from diverging history *too* much.
self.limiter = Limiter(max_count=5)
self.action_generator = hs.get_action_generator()
self.spam_checker = hs.get_spam_checker()
@defer.inlineCallbacks
def purge_history(self, room_id, event_id):
def purge_history(self, room_id, event_id, delete_local_events=False):
event = yield self.store.get_event(event_id)
if event.room_id != room_id:
@ -72,7 +60,7 @@ class MessageHandler(BaseHandler):
depth = event.depth
with (yield self.pagination_lock.write(room_id)):
yield self.store.delete_old_state(room_id, depth)
yield self.store.purge_history(room_id, depth, delete_local_events)
@defer.inlineCallbacks
def get_messages(self, requester, room_id=None, pagin_config=None,
@ -182,166 +170,6 @@ class MessageHandler(BaseHandler):
defer.returnValue(chunk)
@defer.inlineCallbacks
def create_event(self, requester, event_dict, token_id=None, txn_id=None,
prev_event_ids=None):
"""
Given a dict from a client, create a new event.
Creates an FrozenEvent object, filling out auth_events, prev_events,
etc.
Adds display names to Join membership events.
Args:
requester
event_dict (dict): An entire event
token_id (str)
txn_id (str)
prev_event_ids (list): The prev event ids to use when creating the event
Returns:
Tuple of created event (FrozenEvent), Context
"""
builder = self.event_builder_factory.new(event_dict)
with (yield self.limiter.queue(builder.room_id)):
self.validator.validate_new(builder)
if builder.type == EventTypes.Member:
membership = builder.content.get("membership", None)
target = UserID.from_string(builder.state_key)
if membership in {Membership.JOIN, Membership.INVITE}:
# If event doesn't include a display name, add one.
profile = self.profile_handler
content = builder.content
try:
if "displayname" not in content:
content["displayname"] = yield profile.get_displayname(target)
if "avatar_url" not in content:
content["avatar_url"] = yield profile.get_avatar_url(target)
except Exception as e:
logger.info(
"Failed to get profile information for %r: %s",
target, e
)
if token_id is not None:
builder.internal_metadata.token_id = token_id
if txn_id is not None:
builder.internal_metadata.txn_id = txn_id
event, context = yield self._create_new_client_event(
builder=builder,
requester=requester,
prev_event_ids=prev_event_ids,
)
defer.returnValue((event, context))
@defer.inlineCallbacks
def send_nonmember_event(self, requester, event, context, ratelimit=True):
"""
Persists and notifies local clients and federation of an event.
Args:
event (FrozenEvent) the event to send.
context (Context) the context of the event.
ratelimit (bool): Whether to rate limit this send.
is_guest (bool): Whether the sender is a guest.
"""
if event.type == EventTypes.Member:
raise SynapseError(
500,
"Tried to send member event through non-member codepath"
)
# We check here if we are currently being rate limited, so that we
# don't do unnecessary work. We check again just before we actually
# send the event.
yield self.ratelimit(requester, update=False)
user = UserID.from_string(event.sender)
assert self.hs.is_mine(user), "User must be our own: %s" % (user,)
if event.is_state():
prev_state = yield self.deduplicate_state_event(event, context)
if prev_state is not None:
defer.returnValue(prev_state)
yield self.handle_new_client_event(
requester=requester,
event=event,
context=context,
ratelimit=ratelimit,
)
if event.type == EventTypes.Message:
presence = self.hs.get_presence_handler()
# We don't want to block sending messages on any presence code. This
# matters as sometimes presence code can take a while.
preserve_fn(presence.bump_presence_active_time)(user)
@defer.inlineCallbacks
def deduplicate_state_event(self, event, context):
"""
Checks whether event is in the latest resolved state in context.
If so, returns the version of the event in context.
Otherwise, returns None.
"""
prev_event_id = context.prev_state_ids.get((event.type, event.state_key))
prev_event = yield self.store.get_event(prev_event_id, allow_none=True)
if not prev_event:
return
if prev_event and event.user_id == prev_event.user_id:
prev_content = encode_canonical_json(prev_event.content)
next_content = encode_canonical_json(event.content)
if prev_content == next_content:
defer.returnValue(prev_event)
return
@defer.inlineCallbacks
def create_and_send_nonmember_event(
self,
requester,
event_dict,
ratelimit=True,
txn_id=None
):
"""
Creates an event, then sends it.
See self.create_event and self.send_nonmember_event.
"""
event, context = yield self.create_event(
requester,
event_dict,
token_id=requester.access_token_id,
txn_id=txn_id
)
spam_error = self.spam_checker.check_event_for_spam(event)
if spam_error:
if not isinstance(spam_error, basestring):
spam_error = "Spam is not permitted here"
raise SynapseError(
403, spam_error, Codes.FORBIDDEN
)
yield self.send_nonmember_event(
requester,
event,
context,
ratelimit=ratelimit,
)
defer.returnValue(event)
@defer.inlineCallbacks
def get_room_data(self, user_id=None, room_id=None,
event_type=None, state_key="", is_guest=False):
@ -470,9 +298,192 @@ class MessageHandler(BaseHandler):
for user_id, profile in users_with_profile.iteritems()
})
@measure_func("_create_new_client_event")
class EventCreationHandler(object):
def __init__(self, hs):
self.hs = hs
self.auth = hs.get_auth()
self.store = hs.get_datastore()
self.state = hs.get_state_handler()
self.clock = hs.get_clock()
self.validator = EventValidator()
self.profile_handler = hs.get_profile_handler()
self.event_builder_factory = hs.get_event_builder_factory()
self.server_name = hs.hostname
self.ratelimiter = hs.get_ratelimiter()
self.notifier = hs.get_notifier()
# This is only used to get at ratelimit function, and maybe_kick_guest_users
self.base_handler = BaseHandler(hs)
self.pusher_pool = hs.get_pusherpool()
# We arbitrarily limit concurrent event creation for a room to 5.
# This is to stop us from diverging history *too* much.
self.limiter = Limiter(max_count=5)
self.action_generator = hs.get_action_generator()
self.spam_checker = hs.get_spam_checker()
@defer.inlineCallbacks
def _create_new_client_event(self, builder, requester=None, prev_event_ids=None):
def create_event(self, requester, event_dict, token_id=None, txn_id=None,
prev_event_ids=None):
"""
Given a dict from a client, create a new event.
Creates an FrozenEvent object, filling out auth_events, prev_events,
etc.
Adds display names to Join membership events.
Args:
requester
event_dict (dict): An entire event
token_id (str)
txn_id (str)
prev_event_ids (list): The prev event ids to use when creating the event
Returns:
Tuple of created event (FrozenEvent), Context
"""
builder = self.event_builder_factory.new(event_dict)
with (yield self.limiter.queue(builder.room_id)):
self.validator.validate_new(builder)
if builder.type == EventTypes.Member:
membership = builder.content.get("membership", None)
target = UserID.from_string(builder.state_key)
if membership in {Membership.JOIN, Membership.INVITE}:
# If event doesn't include a display name, add one.
profile = self.profile_handler
content = builder.content
try:
if "displayname" not in content:
content["displayname"] = yield profile.get_displayname(target)
if "avatar_url" not in content:
content["avatar_url"] = yield profile.get_avatar_url(target)
except Exception as e:
logger.info(
"Failed to get profile information for %r: %s",
target, e
)
if token_id is not None:
builder.internal_metadata.token_id = token_id
if txn_id is not None:
builder.internal_metadata.txn_id = txn_id
event, context = yield self.create_new_client_event(
builder=builder,
requester=requester,
prev_event_ids=prev_event_ids,
)
defer.returnValue((event, context))
@defer.inlineCallbacks
def send_nonmember_event(self, requester, event, context, ratelimit=True):
"""
Persists and notifies local clients and federation of an event.
Args:
event (FrozenEvent) the event to send.
context (Context) the context of the event.
ratelimit (bool): Whether to rate limit this send.
is_guest (bool): Whether the sender is a guest.
"""
if event.type == EventTypes.Member:
raise SynapseError(
500,
"Tried to send member event through non-member codepath"
)
user = UserID.from_string(event.sender)
assert self.hs.is_mine(user), "User must be our own: %s" % (user,)
if event.is_state():
prev_state = yield self.deduplicate_state_event(event, context)
if prev_state is not None:
defer.returnValue(prev_state)
yield self.handle_new_client_event(
requester=requester,
event=event,
context=context,
ratelimit=ratelimit,
)
if event.type == EventTypes.Message:
presence = self.hs.get_presence_handler()
# We don't want to block sending messages on any presence code. This
# matters as sometimes presence code can take a while.
preserve_fn(presence.bump_presence_active_time)(user)
@defer.inlineCallbacks
def deduplicate_state_event(self, event, context):
"""
Checks whether event is in the latest resolved state in context.
If so, returns the version of the event in context.
Otherwise, returns None.
"""
prev_event_id = context.prev_state_ids.get((event.type, event.state_key))
prev_event = yield self.store.get_event(prev_event_id, allow_none=True)
if not prev_event:
return
if prev_event and event.user_id == prev_event.user_id:
prev_content = encode_canonical_json(prev_event.content)
next_content = encode_canonical_json(event.content)
if prev_content == next_content:
defer.returnValue(prev_event)
return
@defer.inlineCallbacks
def create_and_send_nonmember_event(
self,
requester,
event_dict,
ratelimit=True,
txn_id=None
):
"""
Creates an event, then sends it.
See self.create_event and self.send_nonmember_event.
"""
event, context = yield self.create_event(
requester,
event_dict,
token_id=requester.access_token_id,
txn_id=txn_id
)
spam_error = self.spam_checker.check_event_for_spam(event)
if spam_error:
if not isinstance(spam_error, basestring):
spam_error = "Spam is not permitted here"
raise SynapseError(
403, spam_error, Codes.FORBIDDEN
)
yield self.send_nonmember_event(
requester,
event,
context,
ratelimit=ratelimit,
)
defer.returnValue(event)
@measure_func("create_new_client_event")
@defer.inlineCallbacks
def create_new_client_event(self, builder, requester=None, prev_event_ids=None):
if prev_event_ids:
prev_events = yield self.store.add_event_hashes(prev_event_ids)
prev_max_depth = yield self.store.get_max_depth_of_events(prev_event_ids)
@ -509,9 +520,7 @@ class MessageHandler(BaseHandler):
builder.prev_events = prev_events
builder.depth = depth
state_handler = self.state_handler
context = yield state_handler.compute_event_context(builder)
context = yield self.state.compute_event_context(builder)
if requester:
context.app_service = requester.app_service
@ -551,7 +560,7 @@ class MessageHandler(BaseHandler):
# We now need to go and hit out to wherever we need to hit out to.
if ratelimit:
yield self.ratelimit(requester)
yield self.base_handler.ratelimit(requester)
try:
yield self.auth.check_from_context(event, context)
@ -567,7 +576,7 @@ class MessageHandler(BaseHandler):
logger.exception("Failed to encode content: %r", event.content)
raise
yield self.maybe_kick_guest_users(event, context)
yield self.base_handler.maybe_kick_guest_users(event, context)
if event.type == EventTypes.CanonicalAlias:
# Check the alias is acually valid (at this time at least)

10
synapse/handlers/register.py
View file

@ -25,6 +25,7 @@ from synapse.http.client import CaptchaServerHttpClient
from synapse import types
from synapse.types import UserID
from synapse.util.async import run_on_reactor
from synapse.util.threepids import check_3pid_allowed
from ._base import BaseHandler
logger = logging.getLogger(__name__)
@ -131,7 +132,7 @@ class RegistrationHandler(BaseHandler):
yield run_on_reactor()
password_hash = None
if password:
password_hash = self.auth_handler().hash(password)
password_hash = yield self.auth_handler().hash(password)
if localpart:
yield self.check_username(localpart, guest_access_token=guest_access_token)
@ -293,7 +294,7 @@ class RegistrationHandler(BaseHandler):
"""
for c in threepidCreds:
logger.info("validating theeepidcred sid %s on id server %s",
logger.info("validating threepidcred sid %s on id server %s",
c['sid'], c['idServer'])
try:
identity_handler = self.hs.get_handlers().identity_handler
@ -307,6 +308,11 @@ class RegistrationHandler(BaseHandler):
logger.info("got threepid with medium '%s' and address '%s'",
threepid['medium'], threepid['address'])
if not check_3pid_allowed(self.hs, threepid['medium'], threepid['address']):
raise RegistrationError(
403, "Third party identifier is not allowed"
)
@defer.inlineCallbacks
def bind_emails(self, user_id, threepidCreds):
"""Links emails with a user ID and informs an identity server.

11
synapse/handlers/room.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014 - 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -64,6 +65,7 @@ class RoomCreationHandler(BaseHandler):
super(RoomCreationHandler, self).__init__(hs)
self.spam_checker = hs.get_spam_checker()
self.event_creation_handler = hs.get_event_creation_handler()
@defer.inlineCallbacks
def create_room(self, requester, config, ratelimit=True):
@ -163,13 +165,11 @@ class RoomCreationHandler(BaseHandler):
creation_content = config.get("creation_content", {})
msg_handler = self.hs.get_handlers().message_handler
room_member_handler = self.hs.get_handlers().room_member_handler
yield self._send_events_for_new_room(
requester,
room_id,
msg_handler,
room_member_handler,
preset_config=preset_config,
invite_list=invite_list,
@ -181,7 +181,7 @@ class RoomCreationHandler(BaseHandler):
if "name" in config:
name = config["name"]
yield msg_handler.create_and_send_nonmember_event(
yield self.event_creation_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.Name,
@ -194,7 +194,7 @@ class RoomCreationHandler(BaseHandler):
if "topic" in config:
topic = config["topic"]
yield msg_handler.create_and_send_nonmember_event(
yield self.event_creation_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.Topic,
@ -249,7 +249,6 @@ class RoomCreationHandler(BaseHandler):
self,
creator, # A Requester object.
room_id,
msg_handler,
room_member_handler,
preset_config,
invite_list,
@ -272,7 +271,7 @@ class RoomCreationHandler(BaseHandler):
@defer.inlineCallbacks
def send(etype, content, **kwargs):
event = create(etype, content, **kwargs)
yield msg_handler.create_and_send_nonmember_event(
yield self.event_creation_handler.create_and_send_nonmember_event(
creator,
event,
ratelimit=False

3
synapse/handlers/room_list.py
View file

@ -203,7 +203,8 @@ class RoomListHandler(BaseHandler):
if limit:
step = limit + 1
else:
step = len(rooms_to_scan)
# step cannot be zero
step = len(rooms_to_scan) if len(rooms_to_scan) != 0 else 1
chunk = []
for i in xrange(0, len(rooms_to_scan), step):

21
synapse/handlers/room_member.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -46,6 +47,7 @@ class RoomMemberHandler(BaseHandler):
super(RoomMemberHandler, self).__init__(hs)
self.profile_handler = hs.get_profile_handler()
self.event_creation_hander = hs.get_event_creation_handler()
self.member_linearizer = Linearizer(name="member")
@ -66,13 +68,12 @@ class RoomMemberHandler(BaseHandler):
):
if content is None:
content = {}
msg_handler = self.hs.get_handlers().message_handler
content["membership"] = membership
if requester.is_guest:
content["kind"] = "guest"
event, context = yield msg_handler.create_event(
event, context = yield self.event_creation_hander.create_event(
requester,
{
"type": EventTypes.Member,
@ -90,12 +91,14 @@ class RoomMemberHandler(BaseHandler):
)
# Check if this event matches the previous membership event for the user.
duplicate = yield msg_handler.deduplicate_state_event(event, context)
duplicate = yield self.event_creation_hander.deduplicate_state_event(
event, context,
)
if duplicate is not None:
# Discard the new event since this membership change is a no-op.
defer.returnValue(duplicate)
yield msg_handler.handle_new_client_event(
yield self.event_creation_hander.handle_new_client_event(
requester,
event,
context,
@ -394,8 +397,9 @@ class RoomMemberHandler(BaseHandler):
else:
requester = synapse.types.create_requester(target_user)
message_handler = self.hs.get_handlers().message_handler
prev_event = yield message_handler.deduplicate_state_event(event, context)
prev_event = yield self.event_creation_hander.deduplicate_state_event(
event, context,
)
if prev_event is not None:
return
@ -412,7 +416,7 @@ class RoomMemberHandler(BaseHandler):
if is_blocked:
raise SynapseError(403, "This room has been blocked on this server")
yield message_handler.handle_new_client_event(
yield self.event_creation_hander.handle_new_client_event(
requester,
event,
context,
@ -644,8 +648,7 @@ class RoomMemberHandler(BaseHandler):
)
)
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.create_and_send_nonmember_event(
yield self.event_creation_hander.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.ThirdPartyInvite,

2
synapse/handlers/set_password.py
View file

@ -31,7 +31,7 @@ class SetPasswordHandler(BaseHandler):
@defer.inlineCallbacks
def set_password(self, user_id, newpassword, requester=None):
password_hash = self._auth_handler.hash(newpassword)
password_hash = yield self._auth_handler.hash(newpassword)
except_device_id = requester.device_id if requester else None
except_access_token_id = requester.access_token_id if requester else None

14
synapse/http/client.py
View file

@ -18,6 +18,7 @@ from OpenSSL.SSL import VERIFY_NONE
from synapse.api.errors import (
CodeMessageException, MatrixCodeMessageException, SynapseError, Codes,
)
from synapse.util.caches import CACHE_SIZE_FACTOR
from synapse.util.logcontext import make_deferred_yieldable
from synapse.util import logcontext
import synapse.metrics
@ -30,6 +31,7 @@ from twisted.internet.endpoints import HostnameEndpoint, wrapClientTLS
from twisted.web.client import (
BrowserLikeRedirectAgent, ContentDecoderAgent, GzipDecoder, Agent,
readBody, PartialDownloadError,
HTTPConnectionPool,
)
from twisted.web.client import FileBodyProducer as TwistedFileBodyProducer
from twisted.web.http import PotentialDataLoss
@ -64,13 +66,23 @@ class SimpleHttpClient(object):
"""
def __init__(self, hs):
self.hs = hs
pool = HTTPConnectionPool(reactor)
# the pusher makes lots of concurrent SSL connections to sygnal, and
# tends to do so in batches, so we need to allow the pool to keep lots
# of idle connections around.
pool.maxPersistentPerHost = max((100 * CACHE_SIZE_FACTOR, 5))
pool.cachedConnectionTimeout = 2 * 60
# The default context factory in Twisted 14.0.0 (which we require) is
# BrowserLikePolicyForHTTPS which will do regular cert validation
# 'like a browser'
self.agent = Agent(
reactor,
connectTimeout=15,
contextFactory=hs.get_http_client_context_factory()
contextFactory=hs.get_http_client_context_factory(),
pool=pool,
)
self.user_agent = hs.version_string
self.clock = hs.get_clock()

3
synapse/http/endpoint.py
View file

@ -357,8 +357,7 @@ def _get_hosts_for_srv_record(dns_client, host):
def eb(res, record_type):
if res.check(DNSNameError):
return []
logger.warn("Error looking up %s for %s: %s",
record_type, host, res, res.value)
logger.warn("Error looking up %s for %s: %s", record_type, host, res)
return res
# no logcontexts here, so we can safely fire these off and gatherResults

28
synapse/http/matrixfederationclient.py
View file

@ -27,7 +27,7 @@ import synapse.metrics
from canonicaljson import encode_canonical_json
from synapse.api.errors import (
SynapseError, Codes, HttpResponseException,
SynapseError, Codes, HttpResponseException, FederationDeniedError,
)
from signedjson.sign import sign_json
@ -123,11 +123,22 @@ class MatrixFederationHttpClient(object):
Fails with ``HTTPRequestException``: if we get an HTTP response
code >= 300.
Fails with ``NotRetryingDestination`` if we are not yet ready
to retry this server.
Fails with ``FederationDeniedError`` if this destination
is not on our federation whitelist
(May also fail with plenty of other Exceptions for things like DNS
failures, connection failures, SSL failures.)
"""
if (
self.hs.config.federation_domain_whitelist and
destination not in self.hs.config.federation_domain_whitelist
):
raise FederationDeniedError(destination)
limiter = yield synapse.util.retryutils.get_retry_limiter(
destination,
self.clock,
@ -308,6 +319,9 @@ class MatrixFederationHttpClient(object):
Fails with ``NotRetryingDestination`` if we are not yet ready
to retry this server.
Fails with ``FederationDeniedError`` if this destination
is not on our federation whitelist
"""
if not json_data_callback:
@ -368,6 +382,9 @@ class MatrixFederationHttpClient(object):
Fails with ``NotRetryingDestination`` if we are not yet ready
to retry this server.
Fails with ``FederationDeniedError`` if this destination
is not on our federation whitelist
"""
def body_callback(method, url_bytes, headers_dict):
@ -422,6 +439,9 @@ class MatrixFederationHttpClient(object):
Fails with ``NotRetryingDestination`` if we are not yet ready
to retry this server.
Fails with ``FederationDeniedError`` if this destination
is not on our federation whitelist
"""
logger.debug("get_json args: %s", args)
@ -475,6 +495,9 @@ class MatrixFederationHttpClient(object):
Fails with ``NotRetryingDestination`` if we are not yet ready
to retry this server.
Fails with ``FederationDeniedError`` if this destination
is not on our federation whitelist
"""
response = yield self._request(
@ -518,6 +541,9 @@ class MatrixFederationHttpClient(object):
Fails with ``NotRetryingDestination`` if we are not yet ready
to retry this server.
Fails with ``FederationDeniedError`` if this destination
is not on our federation whitelist
"""
encoded_args = {}

115
synapse/http/server.py
View file

@ -42,36 +42,70 @@ logger = logging.getLogger(__name__)
metrics = synapse.metrics.get_metrics_for(__name__)
incoming_requests_counter = metrics.register_counter(
"requests",
# total number of responses served, split by method/servlet/tag
response_count = metrics.register_counter(
"response_count",
labels=["method", "servlet", "tag"],
alternative_names=(
# the following are all deprecated aliases for the same metric
metrics.name_prefix + x for x in (
"_requests",
"_response_time:count",
"_response_ru_utime:count",
"_response_ru_stime:count",
"_response_db_txn_count:count",
"_response_db_txn_duration:count",
)
)
)
outgoing_responses_counter = metrics.register_counter(
"responses",
labels=["method", "code"],
)
response_timer = metrics.register_distribution(
"response_time",
labels=["method", "servlet", "tag"]
response_timer = metrics.register_counter(
"response_time_seconds",
labels=["method", "servlet", "tag"],
alternative_names=(
metrics.name_prefix + "_response_time:total",
),
)
response_ru_utime = metrics.register_distribution(
"response_ru_utime", labels=["method", "servlet", "tag"]
response_ru_utime = metrics.register_counter(
"response_ru_utime_seconds", labels=["method", "servlet", "tag"],
alternative_names=(
metrics.name_prefix + "_response_ru_utime:total",
),
)
response_ru_stime = metrics.register_distribution(
"response_ru_stime", labels=["method", "servlet", "tag"]
response_ru_stime = metrics.register_counter(
"response_ru_stime_seconds", labels=["method", "servlet", "tag"],
alternative_names=(
metrics.name_prefix + "_response_ru_stime:total",
),
)
response_db_txn_count = metrics.register_distribution(
"response_db_txn_count", labels=["method", "servlet", "tag"]
response_db_txn_count = metrics.register_counter(
"response_db_txn_count", labels=["method", "servlet", "tag"],
alternative_names=(
metrics.name_prefix + "_response_db_txn_count:total",
),
)
response_db_txn_duration = metrics.register_distribution(
"response_db_txn_duration", labels=["method", "servlet", "tag"]
# seconds spent waiting for db txns, excluding scheduling time, when processing
# this request
response_db_txn_duration = metrics.register_counter(
"response_db_txn_duration_seconds", labels=["method", "servlet", "tag"],
alternative_names=(
metrics.name_prefix + "_response_db_txn_duration:total",
),
)
# seconds spent waiting for a db connection, when processing this request
response_db_sched_duration = metrics.register_counter(
"response_db_sched_duration_seconds", labels=["method", "servlet", "tag"]
)
_next_request_id = 0
@ -107,6 +141,10 @@ def wrap_request_handler(request_handler, include_metrics=False):
with LoggingContext(request_id) as request_context:
with Measure(self.clock, "wrapped_request_handler"):
request_metrics = RequestMetrics()
# we start the request metrics timer here with an initial stab
# at the servlet name. For most requests that name will be
# JsonResource (or a subclass), and JsonResource._async_render
# will update it once it picks a servlet.
request_metrics.start(self.clock, name=self.__class__.__name__)
request_context.request = request_id
@ -249,12 +287,23 @@ class JsonResource(HttpServer, resource.Resource):
if not m:
continue
# We found a match! Trigger callback and then return the
# returned response. We pass both the request and any
# matched groups from the regex to the callback.
# We found a match! First update the metrics object to indicate
# which servlet is handling the request.
callback = path_entry.callback
servlet_instance = getattr(callback, "__self__", None)
if servlet_instance is not None:
servlet_classname = servlet_instance.__class__.__name__
else:
servlet_classname = "%r" % callback
request_metrics.name = servlet_classname
# Now trigger the callback. If it returns a response, we send it
# here. If it throws an exception, that is handled by the wrapper
# installed by @request_handler.
kwargs = intern_dict({
name: urllib.unquote(value).decode("UTF-8") if value else value
for name, value in m.groupdict().items()
@ -265,30 +314,14 @@ class JsonResource(HttpServer, resource.Resource):
code, response = callback_return
self._send_response(request, code, response)
servlet_instance = getattr(callback, "__self__", None)
if servlet_instance is not None:
servlet_classname = servlet_instance.__class__.__name__
else:
servlet_classname = "%r" % callback
request_metrics.name = servlet_classname
return
# Huh. No one wanted to handle that? Fiiiiiine. Send 400.
request_metrics.name = self.__class__.__name__ + ".UnrecognizedRequest"
raise UnrecognizedRequestError()
def _send_response(self, request, code, response_json_object,
response_code_message=None):
# could alternatively use request.notifyFinish() and flip a flag when
# the Deferred fires, but since the flag is RIGHT THERE it seems like
# a waste.
if request._disconnected:
logger.warn(
"Not sending response to request %s, already disconnected.",
request)
return
outgoing_responses_counter.inc(request.method, str(code))
# TODO: Only enable CORS for the requests that need it.
@ -322,7 +355,7 @@ class RequestMetrics(object):
)
return
incoming_requests_counter.inc(request.method, self.name, tag)
response_count.inc(request.method, self.name, tag)
response_timer.inc_by(
clock.time_msec() - self.start, request.method,
@ -341,7 +374,10 @@ class RequestMetrics(object):
context.db_txn_count, request.method, self.name, tag
)
response_db_txn_duration.inc_by(
context.db_txn_duration, request.method, self.name, tag
context.db_txn_duration_ms / 1000., request.method, self.name, tag
)
response_db_sched_duration.inc_by(
context.db_sched_duration_ms / 1000., request.method, self.name, tag
)
@ -364,6 +400,15 @@ class RootRedirect(resource.Resource):
def respond_with_json(request, code, json_object, send_cors=False,
response_code_message=None, pretty_print=False,
version_string="", canonical_json=True):
# could alternatively use request.notifyFinish() and flip a flag when
# the Deferred fires, but since the flag is RIGHT THERE it seems like
# a waste.
if request._disconnected:
logger.warn(
"Not sending response to request %s, already disconnected.",
request)
return
if pretty_print:
json_bytes = encode_pretty_printed_json(json_object) + "\n"
else:

18
synapse/http/servlet.py
View file

@ -148,11 +148,13 @@ def parse_string_from_args(args, name, default=None, required=False,
return default
def parse_json_value_from_request(request):
def parse_json_value_from_request(request, allow_empty_body=False):
"""Parse a JSON value from the body of a twisted HTTP request.
Args:
request: the twisted HTTP request.
allow_empty_body (bool): if True, an empty body will be accepted and
turned into None
Returns:
The JSON value.
@ -165,6 +167,9 @@ def parse_json_value_from_request(request):
except Exception:
raise SynapseError(400, "Error reading JSON content.")
if not content_bytes and allow_empty_body:
return None
try:
content = simplejson.loads(content_bytes)
except Exception as e:
@ -174,17 +179,24 @@ def parse_json_value_from_request(request):
return content
def parse_json_object_from_request(request):
def parse_json_object_from_request(request, allow_empty_body=False):
"""Parse a JSON object from the body of a twisted HTTP request.
Args:
request: the twisted HTTP request.
allow_empty_body (bool): if True, an empty body will be accepted and
turned into an empty dict.
Raises:
SynapseError if the request body couldn't be decoded as JSON or
if it wasn't a JSON object.
"""
content = parse_json_value_from_request(request)
content = parse_json_value_from_request(
request, allow_empty_body=allow_empty_body,
)
if allow_empty_body and content is None:
return {}
if type(content) != dict:
message = "Content must be a JSON object."

10
synapse/http/site.py
View file

@ -66,14 +66,15 @@ class SynapseRequest(Request):
context = LoggingContext.current_context()
ru_utime, ru_stime = context.get_resource_usage()
db_txn_count = context.db_txn_count
db_txn_duration = context.db_txn_duration
db_txn_duration_ms = context.db_txn_duration_ms
db_sched_duration_ms = context.db_sched_duration_ms
except Exception:
ru_utime, ru_stime = (0, 0)
db_txn_count, db_txn_duration = (0, 0)
db_txn_count, db_txn_duration_ms = (0, 0)
self.site.access_logger.info(
"%s - %s - {%s}"
" Processed request: %dms (%dms, %dms) (%dms/%d)"
" Processed request: %dms (%dms, %dms) (%dms/%dms/%d)"
" %sB %s \"%s %s %s\" \"%s\"",
self.getClientIP(),
self.site.site_tag,
@ -81,7 +82,8 @@ class SynapseRequest(Request):
int(time.time() * 1000) - self.start_time,
int(ru_utime * 1000),
int(ru_stime * 1000),
int(db_txn_duration * 1000),
db_sched_duration_ms,
db_txn_duration_ms,
int(db_txn_count),
self.sentLength,
self.code,

7
synapse/metrics/__init__.py
View file

@ -146,10 +146,15 @@ def runUntilCurrentTimer(func):
num_pending += 1
num_pending += len(reactor.threadCallQueue)
start = time.time() * 1000
ret = func(*args, **kwargs)
end = time.time() * 1000
# record the amount of wallclock time spent running pending calls.
# This is a proxy for the actual amount of time between reactor polls,
# since about 25% of time is actually spent running things triggered by
# I/O events, but that is harder to capture without rewriting half the
# reactor.
tick_time.inc_by(end - start)
pending_calls_metric.inc_by(num_pending)

112
synapse/metrics/metric.py
View file

@ -15,18 +15,38 @@
from itertools import chain
import logging
logger = logging.getLogger(__name__)
# TODO(paul): I can't believe Python doesn't have one of these
def map_concat(func, items):
# flatten a list-of-lists
return list(chain.from_iterable(map(func, items)))
def flatten(items):
"""Flatten a list of lists
Args:
items: iterable[iterable[X]]
Returns:
list[X]: flattened list
"""
return list(chain.from_iterable(items))
class BaseMetric(object):
"""Base class for metrics which report a single value per label set
"""
def __init__(self, name, labels=[]):
self.name = name
def __init__(self, name, labels=[], alternative_names=[]):
"""
Args:
name (str): principal name for this metric
labels (list(str)): names of the labels which will be reported
for this metric
alternative_names (iterable(str)): list of alternative names for
this metric. This can be useful to provide a migration path
when renaming metrics.
"""
self._names = [name] + list(alternative_names)
self.labels = labels # OK not to clone as we never write it
def dimension(self):
@ -36,7 +56,7 @@ class BaseMetric(object):
return not len(self.labels)
def _render_labelvalue(self, value):
# TODO: some kind of value escape
# TODO: escape backslashes, quotes and newlines
return '"%s"' % (value)
def _render_key(self, values):
@ -47,19 +67,60 @@ class BaseMetric(object):
for k, v in zip(self.labels, values)])
)
def _render_for_labels(self, label_values, value):
"""Render this metric for a single set of labels
Args:
label_values (list[str]): values for each of the labels
value: value of the metric at with these labels
Returns:
iterable[str]: rendered metric
"""
rendered_labels = self._render_key(label_values)
return (
"%s%s %.12g" % (name, rendered_labels, value)
for name in self._names
)
def render(self):
"""Render this metric
Each metric is rendered as:
name{label1="val1",label2="val2"} value
https://prometheus.io/docs/instrumenting/exposition_formats/#text-format-details
Returns:
iterable[str]: rendered metrics
"""
raise NotImplementedError()
class CounterMetric(BaseMetric):
"""The simplest kind of metric; one that stores a monotonically-increasing
integer that counts events."""
value that counts events or running totals.
Example use cases for Counters:
- Number of requests processed
- Number of items that were inserted into a queue
- Total amount of data that a system has processed
Counters can only go up (and be reset when the process restarts).
"""
def __init__(self, *args, **kwargs):
super(CounterMetric, self).__init__(*args, **kwargs)
# dict[list[str]]: value for each set of label values. the keys are the
# label values, in the same order as the labels in self.labels.
#
# (if the metric is a scalar, the (single) key is the empty list).
self.counts = {}
# Scalar metrics are never empty
if self.is_scalar():
self.counts[()] = 0
self.counts[()] = 0.
def inc_by(self, incr, *values):
if len(values) != self.dimension():
@ -77,11 +138,11 @@ class CounterMetric(BaseMetric):
def inc(self, *values):
self.inc_by(1, *values)
def render_item(self, k):
return ["%s%s %d" % (self.name, self._render_key(k), self.counts[k])]
def render(self):
return map_concat(self.render_item, sorted(self.counts.keys()))
return flatten(
self._render_for_labels(k, self.counts[k])
for k in sorted(self.counts.keys())
)
class CallbackMetric(BaseMetric):
@ -95,13 +156,19 @@ class CallbackMetric(BaseMetric):
self.callback = callback
def render(self):
value = self.callback()
try:
value = self.callback()
except Exception:
logger.exception("Failed to render %s", self.name)
return ["# FAILED to render " + self.name]
if self.is_scalar():
return ["%s %.12g" % (self.name, value)]
return list(self._render_for_labels([], value))
return ["%s%s %.12g" % (self.name, self._render_key(k), value[k])
for k in sorted(value.keys())]
return flatten(
self._render_for_labels(k, value[k])
for k in sorted(value.keys())
)
class DistributionMetric(object):
@ -126,7 +193,9 @@ class DistributionMetric(object):
class CacheMetric(object):
__slots__ = ("name", "cache_name", "hits", "misses", "size_callback")
__slots__ = (
"name", "cache_name", "hits", "misses", "evicted_size", "size_callback",
)
def __init__(self, name, size_callback, cache_name):
self.name = name
@ -134,6 +203,7 @@ class CacheMetric(object):
self.hits = 0
self.misses = 0
self.evicted_size = 0
self.size_callback = size_callback
@ -143,6 +213,9 @@ class CacheMetric(object):
def inc_misses(self):
self.misses += 1
def inc_evictions(self, size=1):
self.evicted_size += size
def render(self):
size = self.size_callback()
hits = self.hits
@ -152,6 +225,9 @@ class CacheMetric(object):
"""%s:hits{name="%s"} %d""" % (self.name, self.cache_name, hits),
"""%s:total{name="%s"} %d""" % (self.name, self.cache_name, total),
"""%s:size{name="%s"} %d""" % (self.name, self.cache_name, size),
"""%s:evicted_size{name="%s"} %d""" % (
self.name, self.cache_name, self.evicted_size
),
]

37
synapse/push/httppusher.py
View file

@ -13,21 +13,30 @@
# 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.push import PusherConfigException
import logging
from twisted.internet import defer, reactor
from twisted.internet.error import AlreadyCalled, AlreadyCancelled
import logging
import push_rule_evaluator
import push_tools
import synapse
from synapse.push import PusherConfigException
from synapse.util.logcontext import LoggingContext
from synapse.util.metrics import Measure
logger = logging.getLogger(__name__)
metrics = synapse.metrics.get_metrics_for(__name__)
http_push_processed_counter = metrics.register_counter(
"http_pushes_processed",
)
http_push_failed_counter = metrics.register_counter(
"http_pushes_failed",
)
class HttpPusher(object):
INITIAL_BACKOFF_SEC = 1 # in seconds because that's what Twisted takes
@ -152,9 +161,16 @@ class HttpPusher(object):
self.user_id, self.last_stream_ordering, self.max_stream_ordering
)
logger.info(
"Processing %i unprocessed push actions for %s starting at "
"stream_ordering %s",
len(unprocessed), self.name, self.last_stream_ordering,
)
for push_action in unprocessed:
processed = yield self._process_one(push_action)
if processed:
http_push_processed_counter.inc()
self.backoff_delay = HttpPusher.INITIAL_BACKOFF_SEC
self.last_stream_ordering = push_action['stream_ordering']
yield self.store.update_pusher_last_stream_ordering_and_success(
@ -169,6 +185,7 @@ class HttpPusher(object):
self.failing_since
)
else:
http_push_failed_counter.inc()
if not self.failing_since:
self.failing_since = self.clock.time_msec()
yield self.store.update_pusher_failing_since(
@ -316,7 +333,10 @@ class HttpPusher(object):
try:
resp = yield self.http_client.post_json_get_json(self.url, notification_dict)
except Exception:
logger.warn("Failed to push %s ", self.url)
logger.warn(
"Failed to push event %s to %s",
event.event_id, self.name, exc_info=True,
)
defer.returnValue(False)
rejected = []
if 'rejected' in resp:
@ -325,7 +345,7 @@ class HttpPusher(object):
@defer.inlineCallbacks
def _send_badge(self, badge):
logger.info("Sending updated badge count %d to %r", badge, self.user_id)
logger.info("Sending updated badge count %d to %s", badge, self.name)
d = {
'notification': {
'id': '',
@ -347,7 +367,10 @@ class HttpPusher(object):
try:
resp = yield self.http_client.post_json_get_json(self.url, d)
except Exception:
logger.exception("Failed to push %s ", self.url)
logger.warn(
"Failed to send badge count to %s",
self.name, exc_info=True,
)
defer.returnValue(False)
rejected = []
if 'rejected' in resp:

4
synapse/replication/slave/storage/events.py
View file

@ -19,7 +19,7 @@ from synapse.storage import DataStore
from synapse.storage.event_federation import EventFederationStore
from synapse.storage.event_push_actions import EventPushActionsStore
from synapse.storage.roommember import RoomMemberStore
from synapse.storage.state import StateGroupReadStore
from synapse.storage.state import StateGroupWorkerStore
from synapse.storage.stream import StreamStore
from synapse.util.caches.stream_change_cache import StreamChangeCache
from ._base import BaseSlavedStore
@ -37,7 +37,7 @@ logger = logging.getLogger(__name__)
# the method descriptor on the DataStore and chuck them into our class.
class SlavedEventStore(StateGroupReadStore, BaseSlavedStore):
class SlavedEventStore(StateGroupWorkerStore, BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedEventStore, self).__init__(db_conn, hs)

19
synapse/replication/tcp/protocol.py
View file

@ -517,25 +517,28 @@ class ClientReplicationStreamProtocol(BaseReplicationStreamProtocol):
self.send_error("Wrong remote")
def on_RDATA(self, cmd):
stream_name = cmd.stream_name
inbound_rdata_count.inc(stream_name)
try:
row = STREAMS_MAP[cmd.stream_name].ROW_TYPE(*cmd.row)
row = STREAMS_MAP[stream_name].ROW_TYPE(*cmd.row)
except Exception:
logger.exception(
"[%s] Failed to parse RDATA: %r %r",
self.id(), cmd.stream_name, cmd.row
self.id(), stream_name, cmd.row
)
raise
if cmd.token is None:
# I.e. this is part of a batch of updates for this stream. Batch
# until we get an update for the stream with a non None token
self.pending_batches.setdefault(cmd.stream_name, []).append(row)
self.pending_batches.setdefault(stream_name, []).append(row)
else:
# Check if this is the last of a batch of updates
rows = self.pending_batches.pop(cmd.stream_name, [])
rows = self.pending_batches.pop(stream_name, [])
rows.append(row)
self.handler.on_rdata(cmd.stream_name, cmd.token, rows)
self.handler.on_rdata(stream_name, cmd.token, rows)
def on_POSITION(self, cmd):
self.handler.on_position(cmd.stream_name, cmd.token)
@ -644,3 +647,9 @@ metrics.register_callback(
},
labels=["command", "name", "conn_id"],
)
# number of updates received for each RDATA stream
inbound_rdata_count = metrics.register_counter(
"inbound_rdata_count",
labels=["stream_name"],
)

38
synapse/rest/client/v1/admin.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -128,7 +129,16 @@ class PurgeHistoryRestServlet(ClientV1RestServlet):
if not is_admin:
raise AuthError(403, "You are not a server admin")
yield self.handlers.message_handler.purge_history(room_id, event_id)
body = parse_json_object_from_request(request, allow_empty_body=True)
delete_local_events = bool(
body.get("delete_local_history", False)
)
yield self.handlers.message_handler.purge_history(
room_id, event_id,
delete_local_events=delete_local_events,
)
defer.returnValue((200, {}))
@ -171,6 +181,7 @@ class ShutdownRoomRestServlet(ClientV1RestServlet):
self.store = hs.get_datastore()
self.handlers = hs.get_handlers()
self.state = hs.get_state_handler()
self.event_creation_handler = hs.get_event_creation_handler()
@defer.inlineCallbacks
def on_POST(self, request, room_id):
@ -203,8 +214,7 @@ class ShutdownRoomRestServlet(ClientV1RestServlet):
)
new_room_id = info["room_id"]
msg_handler = self.handlers.message_handler
yield msg_handler.create_and_send_nonmember_event(
yield self.event_creation_handler.create_and_send_nonmember_event(
room_creator_requester,
{
"type": "m.room.message",
@ -289,6 +299,27 @@ class QuarantineMediaInRoom(ClientV1RestServlet):
defer.returnValue((200, {"num_quarantined": num_quarantined}))
class ListMediaInRoom(ClientV1RestServlet):
"""Lists all of the media in a given room.
"""
PATTERNS = client_path_patterns("/admin/room/(?P<room_id>[^/]+)/media")
def __init__(self, hs):
super(ListMediaInRoom, self).__init__(hs)
self.store = hs.get_datastore()
@defer.inlineCallbacks
def on_GET(self, request, room_id):
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
local_mxcs, remote_mxcs = yield self.store.get_media_mxcs_in_room(room_id)
defer.returnValue((200, {"local": local_mxcs, "remote": remote_mxcs}))
class ResetPasswordRestServlet(ClientV1RestServlet):
"""Post request to allow an administrator reset password for a user.
This needs user to have administrator access in Synapse.
@ -487,3 +518,4 @@ def register_servlets(hs, http_server):
SearchUsersRestServlet(hs).register(http_server)
ShutdownRoomRestServlet(hs).register(http_server)
QuarantineMediaInRoom(hs).register(http_server)
ListMediaInRoom(hs).register(http_server)

14
synapse/rest/client/v1/login.py
View file

@ -191,19 +191,25 @@ class LoginRestServlet(ClientV1RestServlet):
# convert threepid identifiers to user IDs
if identifier["type"] == "m.id.thirdparty":
if 'medium' not in identifier or 'address' not in identifier:
address = identifier.get('address')
medium = identifier.get('medium')
if medium is None or address is None:
raise SynapseError(400, "Invalid thirdparty identifier")
address = identifier['address']
if identifier['medium'] == 'email':
if medium == 'email':
# For emails, transform the address to lowercase.
# We store all email addreses as lowercase in the DB.
# (See add_threepid in synapse/handlers/auth.py)
address = address.lower()
user_id = yield self.hs.get_datastore().get_user_id_by_threepid(
identifier['medium'], address
medium, address,
)
if not user_id:
logger.warn(
"unknown 3pid identifier medium %s, address %r",
medium, address,
)
raise LoginError(403, "", errcode=Codes.FORBIDDEN)
identifier = {

34
synapse/rest/client/v1/register.py
View file

@ -70,10 +70,15 @@ class RegisterRestServlet(ClientV1RestServlet):
self.handlers = hs.get_handlers()
def on_GET(self, request):
require_email = 'email' in self.hs.config.registrations_require_3pid
require_msisdn = 'msisdn' in self.hs.config.registrations_require_3pid
flows = []
if self.hs.config.enable_registration_captcha:
return (
200,
{"flows": [
# only support the email-only flow if we don't require MSISDN 3PIDs
if not require_msisdn:
flows.extend([
{
"type": LoginType.RECAPTCHA,
"stages": [
@ -82,27 +87,34 @@ class RegisterRestServlet(ClientV1RestServlet):
LoginType.PASSWORD
]
},
])
# only support 3PIDless registration if no 3PIDs are required
if not require_email and not require_msisdn:
flows.extend([
{
"type": LoginType.RECAPTCHA,
"stages": [LoginType.RECAPTCHA, LoginType.PASSWORD]
}
]}
)
])
else:
return (
200,
{"flows": [
# only support the email-only flow if we don't require MSISDN 3PIDs
if require_email or not require_msisdn:
flows.extend([
{
"type": LoginType.EMAIL_IDENTITY,
"stages": [
LoginType.EMAIL_IDENTITY, LoginType.PASSWORD
]
},
}
])
# only support 3PIDless registration if no 3PIDs are required
if not require_email and not require_msisdn:
flows.extend([
{
"type": LoginType.PASSWORD
}
]}
)
])
return (200, {"flows": flows})
@defer.inlineCallbacks
def on_POST(self, request):

63
synapse/rest/client/v1/room.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -82,6 +83,7 @@ class RoomStateEventRestServlet(ClientV1RestServlet):
def __init__(self, hs):
super(RoomStateEventRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
self.event_creation_hander = hs.get_event_creation_handler()
def register(self, http_server):
# /room/$roomid/state/$eventtype
@ -162,15 +164,16 @@ class RoomStateEventRestServlet(ClientV1RestServlet):
content=content,
)
else:
msg_handler = self.handlers.message_handler
event, context = yield msg_handler.create_event(
event, context = yield self.event_creation_hander.create_event(
requester,
event_dict,
token_id=requester.access_token_id,
txn_id=txn_id,
)
yield msg_handler.send_nonmember_event(requester, event, context)
yield self.event_creation_hander.send_nonmember_event(
requester, event, context,
)
ret = {}
if event:
@ -184,6 +187,7 @@ class RoomSendEventRestServlet(ClientV1RestServlet):
def __init__(self, hs):
super(RoomSendEventRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
self.event_creation_hander = hs.get_event_creation_handler()
def register(self, http_server):
# /rooms/$roomid/send/$event_type[/$txn_id]
@ -195,15 +199,19 @@ class RoomSendEventRestServlet(ClientV1RestServlet):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
content = parse_json_object_from_request(request)
msg_handler = self.handlers.message_handler
event = yield msg_handler.create_and_send_nonmember_event(
event_dict = {
"type": event_type,
"content": content,
"room_id": room_id,
"sender": requester.user.to_string(),
}
if 'ts' in request.args and requester.app_service:
event_dict['origin_server_ts'] = parse_integer(request, "ts", 0)
event = yield self.event_creation_hander.create_and_send_nonmember_event(
requester,
{
"type": event_type,
"content": content,
"room_id": room_id,
"sender": requester.user.to_string(),
},
event_dict,
txn_id=txn_id,
)
@ -487,13 +495,35 @@ class RoomInitialSyncRestServlet(ClientV1RestServlet):
defer.returnValue((200, content))
class RoomEventContext(ClientV1RestServlet):
class RoomEventServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns(
"/rooms/(?P<room_id>[^/]*)/event/(?P<event_id>[^/]*)$"
)
def __init__(self, hs):
super(RoomEventServlet, self).__init__(hs)
self.clock = hs.get_clock()
self.event_handler = hs.get_event_handler()
@defer.inlineCallbacks
def on_GET(self, request, room_id, event_id):
requester = yield self.auth.get_user_by_req(request)
event = yield self.event_handler.get_event(requester.user, event_id)
time_now = self.clock.time_msec()
if event:
defer.returnValue((200, serialize_event(event, time_now)))
else:
defer.returnValue((404, "Event not found."))
class RoomEventContextServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns(
"/rooms/(?P<room_id>[^/]*)/context/(?P<event_id>[^/]*)$"
)
def __init__(self, hs):
super(RoomEventContext, self).__init__(hs)
super(RoomEventContextServlet, self).__init__(hs)
self.clock = hs.get_clock()
self.handlers = hs.get_handlers()
@ -643,6 +673,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet):
def __init__(self, hs):
super(RoomRedactEventRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
self.event_creation_handler = hs.get_event_creation_handler()
def register(self, http_server):
PATTERNS = ("/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)")
@ -653,8 +684,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet):
requester = yield self.auth.get_user_by_req(request)
content = parse_json_object_from_request(request)
msg_handler = self.handlers.message_handler
event = yield msg_handler.create_and_send_nonmember_event(
event = yield self.event_creation_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.Redaction,
@ -803,4 +833,5 @@ def register_servlets(hs, http_server):
RoomTypingRestServlet(hs).register(http_server)
SearchRestServlet(hs).register(http_server)
JoinedRoomsRestServlet(hs).register(http_server)
RoomEventContext(hs).register(http_server)
RoomEventServlet(hs).register(http_server)
RoomEventContextServlet(hs).register(http_server)

21
synapse/rest/client/v2_alpha/account.py
View file

@ -26,6 +26,7 @@ from synapse.http.servlet import (
)
from synapse.util.async import run_on_reactor
from synapse.util.msisdn import phone_number_to_msisdn
from synapse.util.threepids import check_3pid_allowed
from ._base import client_v2_patterns, interactive_auth_handler
logger = logging.getLogger(__name__)
@ -47,6 +48,11 @@ class EmailPasswordRequestTokenRestServlet(RestServlet):
'id_server', 'client_secret', 'email', 'send_attempt'
])
if not check_3pid_allowed(self.hs, "email", body['email']):
raise SynapseError(
403, "Third party identifier is not allowed", Codes.THREEPID_DENIED,
)
existingUid = yield self.hs.get_datastore().get_user_id_by_threepid(
'email', body['email']
)
@ -78,6 +84,11 @@ class MsisdnPasswordRequestTokenRestServlet(RestServlet):
msisdn = phone_number_to_msisdn(body['country'], body['phone_number'])
if not check_3pid_allowed(self.hs, "msisdn", msisdn):
raise SynapseError(
403, "Third party identifier is not allowed", Codes.THREEPID_DENIED,
)
existingUid = yield self.datastore.get_user_id_by_threepid(
'msisdn', msisdn
)
@ -217,6 +228,11 @@ class EmailThreepidRequestTokenRestServlet(RestServlet):
if absent:
raise SynapseError(400, "Missing params: %r" % absent, Codes.MISSING_PARAM)
if not check_3pid_allowed(self.hs, "email", body['email']):
raise SynapseError(
403, "Third party identifier is not allowed", Codes.THREEPID_DENIED,
)
existingUid = yield self.datastore.get_user_id_by_threepid(
'email', body['email']
)
@ -255,6 +271,11 @@ class MsisdnThreepidRequestTokenRestServlet(RestServlet):
msisdn = phone_number_to_msisdn(body['country'], body['phone_number'])
if not check_3pid_allowed(self.hs, "msisdn", msisdn):
raise SynapseError(
403, "Third party identifier is not allowed", Codes.THREEPID_DENIED,
)
existingUid = yield self.datastore.get_user_id_by_threepid(
'msisdn', msisdn
)

69
synapse/rest/client/v2_alpha/register.py
View file

@ -26,6 +26,7 @@ from synapse.http.servlet import (
RestServlet, parse_json_object_from_request, assert_params_in_request, parse_string
)
from synapse.util.msisdn import phone_number_to_msisdn
from synapse.util.threepids import check_3pid_allowed
from ._base import client_v2_patterns, interactive_auth_handler
@ -70,6 +71,11 @@ class EmailRegisterRequestTokenRestServlet(RestServlet):
'id_server', 'client_secret', 'email', 'send_attempt'
])
if not check_3pid_allowed(self.hs, "email", body['email']):
raise SynapseError(
403, "Third party identifier is not allowed", Codes.THREEPID_DENIED,
)
existingUid = yield self.hs.get_datastore().get_user_id_by_threepid(
'email', body['email']
)
@ -105,6 +111,11 @@ class MsisdnRegisterRequestTokenRestServlet(RestServlet):
msisdn = phone_number_to_msisdn(body['country'], body['phone_number'])
if not check_3pid_allowed(self.hs, "msisdn", msisdn):
raise SynapseError(
403, "Third party identifier is not allowed", Codes.THREEPID_DENIED,
)
existingUid = yield self.hs.get_datastore().get_user_id_by_threepid(
'msisdn', msisdn
)
@ -305,31 +316,67 @@ class RegisterRestServlet(RestServlet):
if 'x_show_msisdn' in body and body['x_show_msisdn']:
show_msisdn = True
# FIXME: need a better error than "no auth flow found" for scenarios
# where we required 3PID for registration but the user didn't give one
require_email = 'email' in self.hs.config.registrations_require_3pid
require_msisdn = 'msisdn' in self.hs.config.registrations_require_3pid
flows = []
if self.hs.config.enable_registration_captcha:
flows = [
[LoginType.RECAPTCHA],
[LoginType.EMAIL_IDENTITY, LoginType.RECAPTCHA],
]
# only support 3PIDless registration if no 3PIDs are required
if not require_email and not require_msisdn:
flows.extend([[LoginType.RECAPTCHA]])
# only support the email-only flow if we don't require MSISDN 3PIDs
if not require_msisdn:
flows.extend([[LoginType.EMAIL_IDENTITY, LoginType.RECAPTCHA]])
if show_msisdn:
# only support the MSISDN-only flow if we don't require email 3PIDs
if not require_email:
flows.extend([[LoginType.MSISDN, LoginType.RECAPTCHA]])
# always let users provide both MSISDN & email
flows.extend([
[LoginType.MSISDN, LoginType.RECAPTCHA],
[LoginType.MSISDN, LoginType.EMAIL_IDENTITY, LoginType.RECAPTCHA],
])
else:
flows = [
[LoginType.DUMMY],
[LoginType.EMAIL_IDENTITY],
]
# only support 3PIDless registration if no 3PIDs are required
if not require_email and not require_msisdn:
flows.extend([[LoginType.DUMMY]])
# only support the email-only flow if we don't require MSISDN 3PIDs
if not require_msisdn:
flows.extend([[LoginType.EMAIL_IDENTITY]])
if show_msisdn:
# only support the MSISDN-only flow if we don't require email 3PIDs
if not require_email or require_msisdn:
flows.extend([[LoginType.MSISDN]])
# always let users provide both MSISDN & email
flows.extend([
[LoginType.MSISDN],
[LoginType.MSISDN, LoginType.EMAIL_IDENTITY],
[LoginType.MSISDN, LoginType.EMAIL_IDENTITY]
])
auth_result, params, session_id = yield self.auth_handler.check_auth(
flows, body, self.hs.get_ip_from_request(request)
)
# Check that we're not trying to register a denied 3pid.
#
# the user-facing checks will probably already have happened in
# /register/email/requestToken when we requested a 3pid, but that's not
# guaranteed.
if auth_result:
for login_type in [LoginType.EMAIL_IDENTITY, LoginType.MSISDN]:
if login_type in auth_result:
medium = auth_result[login_type]['medium']
address = auth_result[login_type]['address']
if not check_3pid_allowed(self.hs, medium, address):
raise SynapseError(
403, "Third party identifier is not allowed",
Codes.THREEPID_DENIED,
)
if registered_user_id is not None:
logger.info(
"Already registered user ID %r for this session",

8
synapse/rest/key/v2/remote_key_resource.py
View file

@ -93,6 +93,7 @@ class RemoteKey(Resource):
self.store = hs.get_datastore()
self.version_string = hs.version_string
self.clock = hs.get_clock()
self.federation_domain_whitelist = hs.config.federation_domain_whitelist
def render_GET(self, request):
self.async_render_GET(request)
@ -137,6 +138,13 @@ class RemoteKey(Resource):
logger.info("Handling query for keys %r", query)
store_queries = []
for server_name, key_ids in query.items():
if (
self.federation_domain_whitelist is not None and
server_name not in self.federation_domain_whitelist
):
logger.debug("Federation denied with %s", server_name)
continue
if not key_ids:
key_ids = (None,)
for key_id in key_ids:

144
synapse/rest/media/v1/_base.py
View file

@ -70,38 +70,11 @@ def respond_with_file(request, media_type, file_path,
logger.debug("Responding with %r", file_path)
if os.path.isfile(file_path):
request.setHeader(b"Content-Type", media_type.encode("UTF-8"))
if upload_name:
if is_ascii(upload_name):
request.setHeader(
b"Content-Disposition",
b"inline; filename=%s" % (
urllib.quote(upload_name.encode("utf-8")),
),
)
else:
request.setHeader(
b"Content-Disposition",
b"inline; filename*=utf-8''%s" % (
urllib.quote(upload_name.encode("utf-8")),
),
)
# 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
# clients are smart enough to be happy with Cache-Control
request.setHeader(
b"Cache-Control", b"public,max-age=86400,s-maxage=86400"
)
if file_size is None:
stat = os.stat(file_path)
file_size = stat.st_size
request.setHeader(
b"Content-Length", b"%d" % (file_size,)
)
add_file_headers(request, media_type, file_size, upload_name)
with open(file_path, "rb") as f:
yield logcontext.make_deferred_yieldable(
@ -111,3 +84,118 @@ def respond_with_file(request, media_type, file_path,
finish_request(request)
else:
respond_404(request)
def add_file_headers(request, media_type, file_size, upload_name):
"""Adds the correct response headers in preparation for responding with the
media.
Args:
request (twisted.web.http.Request)
media_type (str): The media/content type.
file_size (int): Size in bytes of the media, if known.
upload_name (str): The name of the requested file, if any.
"""
request.setHeader(b"Content-Type", media_type.encode("UTF-8"))
if upload_name:
if is_ascii(upload_name):
request.setHeader(
b"Content-Disposition",
b"inline; filename=%s" % (
urllib.quote(upload_name.encode("utf-8")),
),
)
else:
request.setHeader(
b"Content-Disposition",
b"inline; filename*=utf-8''%s" % (
urllib.quote(upload_name.encode("utf-8")),
),
)
# 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
# clients are smart enough to be happy with Cache-Control
request.setHeader(
b"Cache-Control", b"public,max-age=86400,s-maxage=86400"
)
request.setHeader(
b"Content-Length", b"%d" % (file_size,)
)
@defer.inlineCallbacks
def respond_with_responder(request, responder, media_type, file_size, upload_name=None):
"""Responds to the request with given responder. If responder is None then
returns 404.
Args:
request (twisted.web.http.Request)
responder (Responder|None)
media_type (str): The media/content type.
file_size (int|None): Size in bytes of the media. If not known it should be None
upload_name (str|None): The name of the requested file, if any.
"""
if not responder:
respond_404(request)
return
add_file_headers(request, media_type, file_size, upload_name)
with responder:
yield responder.write_to_consumer(request)
finish_request(request)
class Responder(object):
"""Represents a response that can be streamed to the requester.
Responder is a context manager which *must* be used, so that any resources
held can be cleaned up.
"""
def write_to_consumer(self, consumer):
"""Stream response into consumer
Args:
consumer (IConsumer)
Returns:
Deferred: Resolves once the response has finished being written
"""
pass
def __enter__(self):
pass
def __exit__(self, exc_type, exc_val, exc_tb):
pass
class FileInfo(object):
"""Details about a requested/uploaded file.
Attributes:
server_name (str): The server name where the media originated from,
or None if local.
file_id (str): The local ID of the file. For local files this is the
same as the media_id
url_cache (bool): If the file is for the url preview cache
thumbnail (bool): Whether the file is a thumbnail or not.
thumbnail_width (int)
thumbnail_height (int)
thumbnail_method (str)
thumbnail_type (str): Content type of thumbnail, e.g. image/png
"""
def __init__(self, server_name, file_id, url_cache=False,
thumbnail=False, thumbnail_width=None, thumbnail_height=None,
thumbnail_method=None, thumbnail_type=None):
self.server_name = server_name
self.file_id = file_id
self.url_cache = url_cache
self.thumbnail = thumbnail
self.thumbnail_width = thumbnail_width
self.thumbnail_height = thumbnail_height
self.thumbnail_method = thumbnail_method
self.thumbnail_type = thumbnail_type

73
synapse/rest/media/v1/download_resource.py
View file

@ -14,7 +14,7 @@
# limitations under the License.
import synapse.http.servlet
from ._base import parse_media_id, respond_with_file, respond_404
from ._base import parse_media_id, respond_404
from twisted.web.resource import Resource
from synapse.http.server import request_handler, set_cors_headers
@ -32,12 +32,12 @@ class DownloadResource(Resource):
def __init__(self, hs, media_repo):
Resource.__init__(self)
self.filepaths = media_repo.filepaths
self.media_repo = media_repo
self.server_name = hs.hostname
self.store = hs.get_datastore()
self.version_string = hs.version_string
# Both of these are expected by @request_handler()
self.clock = hs.get_clock()
self.version_string = hs.version_string
def render_GET(self, request):
self._async_render_GET(request)
@ -57,59 +57,16 @@ class DownloadResource(Resource):
)
server_name, media_id, name = parse_media_id(request)
if server_name == self.server_name:
yield self._respond_local_file(request, media_id, name)
yield self.media_repo.get_local_media(request, media_id, name)
else:
yield self._respond_remote_file(
request, server_name, media_id, name
)
allow_remote = synapse.http.servlet.parse_boolean(
request, "allow_remote", default=True)
if not allow_remote:
logger.info(
"Rejecting request for remote media %s/%s due to allow_remote",
server_name, media_id,
)
respond_404(request)
return
@defer.inlineCallbacks
def _respond_local_file(self, request, media_id, name):
media_info = yield self.store.get_local_media(media_id)
if not media_info or media_info["quarantined_by"]:
respond_404(request)
return
media_type = media_info["media_type"]
media_length = media_info["media_length"]
upload_name = name if name else media_info["upload_name"]
if media_info["url_cache"]:
# TODO: Check the file still exists, if it doesn't we can redownload
# it from the url `media_info["url_cache"]`
file_path = self.filepaths.url_cache_filepath(media_id)
else:
file_path = self.filepaths.local_media_filepath(media_id)
yield respond_with_file(
request, media_type, file_path, media_length,
upload_name=upload_name,
)
@defer.inlineCallbacks
def _respond_remote_file(self, request, server_name, media_id, name):
# don't forward requests for remote media if allow_remote is false
allow_remote = synapse.http.servlet.parse_boolean(
request, "allow_remote", default=True)
if not allow_remote:
logger.info(
"Rejecting request for remote media %s/%s due to allow_remote",
server_name, media_id,
)
respond_404(request)
return
media_info = yield self.media_repo.get_remote_media(server_name, media_id)
media_type = media_info["media_type"]
media_length = media_info["media_length"]
filesystem_id = media_info["filesystem_id"]
upload_name = name if name else media_info["upload_name"]
file_path = self.filepaths.remote_media_filepath(
server_name, filesystem_id
)
yield respond_with_file(
request, media_type, file_path, media_length,
upload_name=upload_name,
)
yield self.media_repo.get_remote_media(request, server_name, media_id, name)

588
synapse/rest/media/v1/media_repository.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -18,6 +19,7 @@ import twisted.internet.error
import twisted.web.http
from twisted.web.resource import Resource
from ._base import respond_404, FileInfo, respond_with_responder
from .upload_resource import UploadResource
from .download_resource import DownloadResource
from .thumbnail_resource import ThumbnailResource
@ -25,15 +27,18 @@ from .identicon_resource import IdenticonResource
from .preview_url_resource import PreviewUrlResource
from .filepath import MediaFilePaths
from .thumbnailer import Thumbnailer
from .storage_provider import StorageProviderWrapper
from .media_storage import MediaStorage
from synapse.http.matrixfederationclient import MatrixFederationHttpClient
from synapse.util.stringutils import random_string
from synapse.api.errors import SynapseError, HttpResponseException, \
NotFoundError
from synapse.api.errors import (
SynapseError, HttpResponseException, NotFoundError, FederationDeniedError,
)
from synapse.util.async import Linearizer
from synapse.util.stringutils import is_ascii
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
from synapse.util.logcontext import make_deferred_yieldable
from synapse.util.retryutils import NotRetryingDestination
import os
@ -47,7 +52,7 @@ import urlparse
logger = logging.getLogger(__name__)
UPDATE_RECENTLY_ACCESSED_REMOTES_TS = 60 * 1000
UPDATE_RECENTLY_ACCESSED_TS = 60 * 1000
class MediaRepository(object):
@ -63,96 +68,62 @@ class MediaRepository(object):
self.primary_base_path = hs.config.media_store_path
self.filepaths = MediaFilePaths(self.primary_base_path)
self.backup_base_path = hs.config.backup_media_store_path
self.synchronous_backup_media_store = hs.config.synchronous_backup_media_store
self.dynamic_thumbnails = hs.config.dynamic_thumbnails
self.thumbnail_requirements = hs.config.thumbnail_requirements
self.remote_media_linearizer = Linearizer(name="media_remote")
self.recently_accessed_remotes = set()
self.recently_accessed_locals = set()
self.federation_domain_whitelist = hs.config.federation_domain_whitelist
# List of StorageProviders where we should search for media and
# potentially upload to.
storage_providers = []
for clz, provider_config, wrapper_config in hs.config.media_storage_providers:
backend = clz(hs, provider_config)
provider = StorageProviderWrapper(
backend,
store_local=wrapper_config.store_local,
store_remote=wrapper_config.store_remote,
store_synchronous=wrapper_config.store_synchronous,
)
storage_providers.append(provider)
self.media_storage = MediaStorage(
self.primary_base_path, self.filepaths, storage_providers,
)
self.clock.looping_call(
self._update_recently_accessed_remotes,
UPDATE_RECENTLY_ACCESSED_REMOTES_TS
self._update_recently_accessed,
UPDATE_RECENTLY_ACCESSED_TS,
)
@defer.inlineCallbacks
def _update_recently_accessed_remotes(self):
media = self.recently_accessed_remotes
def _update_recently_accessed(self):
remote_media = self.recently_accessed_remotes
self.recently_accessed_remotes = set()
local_media = self.recently_accessed_locals
self.recently_accessed_locals = set()
yield self.store.update_cached_last_access_time(
media, self.clock.time_msec()
local_media, remote_media, self.clock.time_msec()
)
@staticmethod
def _makedirs(filepath):
dirname = os.path.dirname(filepath)
if not os.path.exists(dirname):
os.makedirs(dirname)
@staticmethod
def _write_file_synchronously(source, fname):
"""Write `source` to the path `fname` synchronously. Should be called
from a thread.
def mark_recently_accessed(self, server_name, media_id):
"""Mark the given media as recently accessed.
Args:
source: A file like object to be written
fname (str): Path to write to
server_name (str|None): Origin server of media, or None if local
media_id (str): The media ID of the content
"""
MediaRepository._makedirs(fname)
source.seek(0) # Ensure we read from the start of the file
with open(fname, "wb") as f:
shutil.copyfileobj(source, f)
@defer.inlineCallbacks
def write_to_file_and_backup(self, source, path):
"""Write `source` to the on disk media store, and also the backup store
if configured.
Args:
source: A file like object that should be written
path (str): Relative path to write file to
Returns:
Deferred[str]: the file path written to in the primary media store
"""
fname = os.path.join(self.primary_base_path, path)
# Write to the main repository
yield make_deferred_yieldable(threads.deferToThread(
self._write_file_synchronously, source, fname,
))
# Write to backup repository
yield self.copy_to_backup(path)
defer.returnValue(fname)
@defer.inlineCallbacks
def copy_to_backup(self, path):
"""Copy a file from the primary to backup media store, if configured.
Args:
path(str): Relative path to write file to
"""
if self.backup_base_path:
primary_fname = os.path.join(self.primary_base_path, path)
backup_fname = os.path.join(self.backup_base_path, path)
# We can either wait for successful writing to the backup repository
# or write in the background and immediately return
if self.synchronous_backup_media_store:
yield make_deferred_yieldable(threads.deferToThread(
shutil.copyfile, primary_fname, backup_fname,
))
else:
preserve_fn(threads.deferToThread)(
shutil.copyfile, primary_fname, backup_fname,
)
if server_name:
self.recently_accessed_remotes.add((server_name, media_id))
else:
self.recently_accessed_locals.add(media_id)
@defer.inlineCallbacks
def create_content(self, media_type, upload_name, content, content_length,
@ -171,10 +142,13 @@ class MediaRepository(object):
"""
media_id = random_string(24)
fname = yield self.write_to_file_and_backup(
content, self.filepaths.local_media_filepath_rel(media_id)
file_info = FileInfo(
server_name=None,
file_id=media_id,
)
fname = yield self.media_storage.store_file(content, file_info)
logger.info("Stored local media in file %r", fname)
yield self.store.store_local_media(
@ -185,134 +159,275 @@ class MediaRepository(object):
media_length=content_length,
user_id=auth_user,
)
media_info = {
"media_type": media_type,
"media_length": content_length,
}
yield self._generate_thumbnails(None, media_id, media_info)
yield self._generate_thumbnails(
None, media_id, media_id, media_type,
)
defer.returnValue("mxc://%s/%s" % (self.server_name, media_id))
@defer.inlineCallbacks
def get_remote_media(self, server_name, media_id):
def get_local_media(self, request, media_id, name):
"""Responds to reqests for local media, if exists, or returns 404.
Args:
request(twisted.web.http.Request)
media_id (str): The media ID of the content. (This is the same as
the file_id for local content.)
name (str|None): Optional name that, if specified, will be used as
the filename in the Content-Disposition header of the response.
Returns:
Deferred: Resolves once a response has successfully been written
to request
"""
media_info = yield self.store.get_local_media(media_id)
if not media_info or media_info["quarantined_by"]:
respond_404(request)
return
self.mark_recently_accessed(None, media_id)
media_type = media_info["media_type"]
media_length = media_info["media_length"]
upload_name = name if name else media_info["upload_name"]
url_cache = media_info["url_cache"]
file_info = FileInfo(
None, media_id,
url_cache=url_cache,
)
responder = yield self.media_storage.fetch_media(file_info)
yield respond_with_responder(
request, responder, media_type, media_length, upload_name,
)
@defer.inlineCallbacks
def get_remote_media(self, request, server_name, media_id, name):
"""Respond to requests for remote media.
Args:
request(twisted.web.http.Request)
server_name (str): Remote server_name where the media originated.
media_id (str): The media ID of the content (as defined by the
remote server).
name (str|None): Optional name that, if specified, will be used as
the filename in the Content-Disposition header of the response.
Returns:
Deferred: Resolves once a response has successfully been written
to request
"""
if (
self.federation_domain_whitelist is not None and
server_name not in self.federation_domain_whitelist
):
raise FederationDeniedError(server_name)
self.mark_recently_accessed(server_name, media_id)
# We linearize here to ensure that we don't try and download remote
# media multiple times concurrently
key = (server_name, media_id)
with (yield self.remote_media_linearizer.queue(key)):
media_info = yield self._get_remote_media_impl(server_name, media_id)
responder, media_info = yield self._get_remote_media_impl(
server_name, media_id,
)
# We deliberately stream the file outside the lock
if responder:
media_type = media_info["media_type"]
media_length = media_info["media_length"]
upload_name = name if name else media_info["upload_name"]
yield respond_with_responder(
request, responder, media_type, media_length, upload_name,
)
else:
respond_404(request)
@defer.inlineCallbacks
def get_remote_media_info(self, server_name, media_id):
"""Gets the media info associated with the remote file, downloading
if necessary.
Args:
server_name (str): Remote server_name where the media originated.
media_id (str): The media ID of the content (as defined by the
remote server).
Returns:
Deferred[dict]: The media_info of the file
"""
if (
self.federation_domain_whitelist is not None and
server_name not in self.federation_domain_whitelist
):
raise FederationDeniedError(server_name)
# We linearize here to ensure that we don't try and download remote
# media multiple times concurrently
key = (server_name, media_id)
with (yield self.remote_media_linearizer.queue(key)):
responder, media_info = yield self._get_remote_media_impl(
server_name, media_id,
)
# Ensure we actually use the responder so that it releases resources
if responder:
with responder:
pass
defer.returnValue(media_info)
@defer.inlineCallbacks
def _get_remote_media_impl(self, server_name, media_id):
"""Looks for media in local cache, if not there then attempt to
download from remote server.
Args:
server_name (str): Remote server_name where the media originated.
media_id (str): The media ID of the content (as defined by the
remote server).
Returns:
Deferred[(Responder, media_info)]
"""
media_info = yield self.store.get_cached_remote_media(
server_name, media_id
)
if not media_info:
media_info = yield self._download_remote_file(
server_name, media_id
)
elif media_info["quarantined_by"]:
raise NotFoundError()
# file_id is the ID we use to track the file locally. If we've already
# seen the file then reuse the existing ID, otherwise genereate a new
# one.
if media_info:
file_id = media_info["filesystem_id"]
else:
self.recently_accessed_remotes.add((server_name, media_id))
yield self.store.update_cached_last_access_time(
[(server_name, media_id)], self.clock.time_msec()
)
defer.returnValue(media_info)
file_id = random_string(24)
file_info = FileInfo(server_name, file_id)
# If we have an entry in the DB, try and look for it
if media_info:
if media_info["quarantined_by"]:
logger.info("Media is quarantined")
raise NotFoundError()
responder = yield self.media_storage.fetch_media(file_info)
if responder:
defer.returnValue((responder, media_info))
# Failed to find the file anywhere, lets download it.
media_info = yield self._download_remote_file(
server_name, media_id, file_id
)
responder = yield self.media_storage.fetch_media(file_info)
defer.returnValue((responder, media_info))
@defer.inlineCallbacks
def _download_remote_file(self, server_name, media_id):
file_id = random_string(24)
def _download_remote_file(self, server_name, media_id, file_id):
"""Attempt to download the remote file from the given server name,
using the given file_id as the local id.
fpath = self.filepaths.remote_media_filepath_rel(
server_name, file_id
Args:
server_name (str): Originating server
media_id (str): The media ID of the content (as defined by the
remote server). This is different than the file_id, which is
locally generated.
file_id (str): Local file ID
Returns:
Deferred[MediaInfo]
"""
file_info = FileInfo(
server_name=server_name,
file_id=file_id,
)
fname = os.path.join(self.primary_base_path, fpath)
self._makedirs(fname)
try:
with open(fname, "wb") as f:
request_path = "/".join((
"/_matrix/media/v1/download", server_name, media_id,
))
with self.media_storage.store_into_file(file_info) as (f, fname, finish):
request_path = "/".join((
"/_matrix/media/v1/download", server_name, media_id,
))
try:
length, headers = yield self.client.get_file(
server_name, request_path, output_stream=f,
max_size=self.max_upload_size, args={
# tell the remote server to 404 if it doesn't
# recognise the server_name, to make sure we don't
# end up with a routing loop.
"allow_remote": "false",
}
)
except twisted.internet.error.DNSLookupError as e:
logger.warn("HTTP error fetching remote media %s/%s: %r",
server_name, media_id, e)
raise NotFoundError()
except HttpResponseException as e:
logger.warn("HTTP error fetching remote media %s/%s: %s",
server_name, media_id, e.response)
if e.code == twisted.web.http.NOT_FOUND:
raise SynapseError.from_http_response_exception(e)
raise SynapseError(502, "Failed to fetch remote media")
except SynapseError:
logger.exception("Failed to fetch remote media %s/%s",
server_name, media_id)
raise
except NotRetryingDestination:
logger.warn("Not retrying destination %r", server_name)
raise SynapseError(502, "Failed to fetch remote media")
except Exception:
logger.exception("Failed to fetch remote media %s/%s",
server_name, media_id)
raise SynapseError(502, "Failed to fetch remote media")
yield finish()
media_type = headers["Content-Type"][0]
time_now_ms = self.clock.time_msec()
content_disposition = headers.get("Content-Disposition", None)
if content_disposition:
_, params = cgi.parse_header(content_disposition[0],)
upload_name = None
# First check if there is a valid UTF-8 filename
upload_name_utf8 = params.get("filename*", None)
if upload_name_utf8:
if upload_name_utf8.lower().startswith("utf-8''"):
upload_name = upload_name_utf8[7:]
# If there isn't check for an ascii name.
if not upload_name:
upload_name_ascii = params.get("filename", None)
if upload_name_ascii and is_ascii(upload_name_ascii):
upload_name = upload_name_ascii
if upload_name:
upload_name = urlparse.unquote(upload_name)
try:
length, headers = yield self.client.get_file(
server_name, request_path, output_stream=f,
max_size=self.max_upload_size, args={
# tell the remote server to 404 if it doesn't
# recognise the server_name, to make sure we don't
# end up with a routing loop.
"allow_remote": "false",
}
)
except twisted.internet.error.DNSLookupError as e:
logger.warn("HTTP error fetching remote media %s/%s: %r",
server_name, media_id, e)
raise NotFoundError()
upload_name = upload_name.decode("utf-8")
except UnicodeDecodeError:
upload_name = None
else:
upload_name = None
except HttpResponseException as e:
logger.warn("HTTP error fetching remote media %s/%s: %s",
server_name, media_id, e.response)
if e.code == twisted.web.http.NOT_FOUND:
raise SynapseError.from_http_response_exception(e)
raise SynapseError(502, "Failed to fetch remote media")
logger.info("Stored remote media in file %r", fname)
except SynapseError:
logger.exception("Failed to fetch remote media %s/%s",
server_name, media_id)
raise
except NotRetryingDestination:
logger.warn("Not retrying destination %r", server_name)
raise SynapseError(502, "Failed to fetch remote media")
except Exception:
logger.exception("Failed to fetch remote media %s/%s",
server_name, media_id)
raise SynapseError(502, "Failed to fetch remote media")
yield self.copy_to_backup(fpath)
media_type = headers["Content-Type"][0]
time_now_ms = self.clock.time_msec()
content_disposition = headers.get("Content-Disposition", None)
if content_disposition:
_, params = cgi.parse_header(content_disposition[0],)
upload_name = None
# First check if there is a valid UTF-8 filename
upload_name_utf8 = params.get("filename*", None)
if upload_name_utf8:
if upload_name_utf8.lower().startswith("utf-8''"):
upload_name = upload_name_utf8[7:]
# If there isn't check for an ascii name.
if not upload_name:
upload_name_ascii = params.get("filename", None)
if upload_name_ascii and is_ascii(upload_name_ascii):
upload_name = upload_name_ascii
if upload_name:
upload_name = urlparse.unquote(upload_name)
try:
upload_name = upload_name.decode("utf-8")
except UnicodeDecodeError:
upload_name = None
else:
upload_name = None
logger.info("Stored remote media in file %r", fname)
yield self.store.store_cached_remote_media(
origin=server_name,
media_id=media_id,
media_type=media_type,
time_now_ms=self.clock.time_msec(),
upload_name=upload_name,
media_length=length,
filesystem_id=file_id,
)
except Exception:
os.remove(fname)
raise
yield self.store.store_cached_remote_media(
origin=server_name,
media_id=media_id,
media_type=media_type,
time_now_ms=self.clock.time_msec(),
upload_name=upload_name,
media_length=length,
filesystem_id=file_id,
)
media_info = {
"media_type": media_type,
@ -323,7 +438,7 @@ class MediaRepository(object):
}
yield self._generate_thumbnails(
server_name, media_id, media_info
server_name, media_id, file_id, media_type,
)
defer.returnValue(media_info)
@ -357,8 +472,10 @@ class MediaRepository(object):
@defer.inlineCallbacks
def generate_local_exact_thumbnail(self, media_id, t_width, t_height,
t_method, t_type):
input_path = self.filepaths.local_media_filepath(media_id)
t_method, t_type, url_cache):
input_path = yield self.media_storage.ensure_media_is_in_local_cache(FileInfo(
None, media_id, url_cache=url_cache,
))
thumbnailer = Thumbnailer(input_path)
t_byte_source = yield make_deferred_yieldable(threads.deferToThread(
@ -368,11 +485,19 @@ class MediaRepository(object):
if t_byte_source:
try:
output_path = yield self.write_to_file_and_backup(
t_byte_source,
self.filepaths.local_media_thumbnail_rel(
media_id, t_width, t_height, t_type, t_method
)
file_info = FileInfo(
server_name=None,
file_id=media_id,
url_cache=url_cache,
thumbnail=True,
thumbnail_width=t_width,
thumbnail_height=t_height,
thumbnail_method=t_method,
thumbnail_type=t_type,
)
output_path = yield self.media_storage.store_file(
t_byte_source, file_info,
)
finally:
t_byte_source.close()
@ -390,7 +515,9 @@ class MediaRepository(object):
@defer.inlineCallbacks
def generate_remote_exact_thumbnail(self, server_name, file_id, media_id,
t_width, t_height, t_method, t_type):
input_path = self.filepaths.remote_media_filepath(server_name, file_id)
input_path = yield self.media_storage.ensure_media_is_in_local_cache(FileInfo(
server_name, file_id, url_cache=False,
))
thumbnailer = Thumbnailer(input_path)
t_byte_source = yield make_deferred_yieldable(threads.deferToThread(
@ -400,11 +527,18 @@ class MediaRepository(object):
if t_byte_source:
try:
output_path = yield self.write_to_file_and_backup(
t_byte_source,
self.filepaths.remote_media_thumbnail_rel(
server_name, file_id, t_width, t_height, t_type, t_method
)
file_info = FileInfo(
server_name=server_name,
file_id=media_id,
thumbnail=True,
thumbnail_width=t_width,
thumbnail_height=t_height,
thumbnail_method=t_method,
thumbnail_type=t_type,
)
output_path = yield self.media_storage.store_file(
t_byte_source, file_info,
)
finally:
t_byte_source.close()
@ -421,31 +555,29 @@ class MediaRepository(object):
defer.returnValue(output_path)
@defer.inlineCallbacks
def _generate_thumbnails(self, server_name, media_id, media_info, url_cache=False):
def _generate_thumbnails(self, server_name, media_id, file_id, media_type,
url_cache=False):
"""Generate and store thumbnails for an image.
Args:
server_name(str|None): The server name if remote media, else None if local
media_id(str)
media_info(dict)
url_cache(bool): If we are thumbnailing images downloaded for the URL cache,
server_name (str|None): The server name if remote media, else None if local
media_id (str): The media ID of the content. (This is the same as
the file_id for local content)
file_id (str): Local file ID
media_type (str): The content type of the file
url_cache (bool): If we are thumbnailing images downloaded for the URL cache,
used exclusively by the url previewer
Returns:
Deferred[dict]: Dict with "width" and "height" keys of original image
"""
media_type = media_info["media_type"]
file_id = media_info.get("filesystem_id")
requirements = self._get_thumbnail_requirements(media_type)
if not requirements:
return
if server_name:
input_path = self.filepaths.remote_media_filepath(server_name, file_id)
elif url_cache:
input_path = self.filepaths.url_cache_filepath(media_id)
else:
input_path = self.filepaths.local_media_filepath(media_id)
input_path = yield self.media_storage.ensure_media_is_in_local_cache(FileInfo(
server_name, file_id, url_cache=url_cache,
))
thumbnailer = Thumbnailer(input_path)
m_width = thumbnailer.width
@ -472,20 +604,6 @@ class MediaRepository(object):
# Now we generate the thumbnails for each dimension, store it
for (t_width, t_height, t_type), t_method in thumbnails.iteritems():
# Work out the correct file name for thumbnail
if server_name:
file_path = self.filepaths.remote_media_thumbnail_rel(
server_name, file_id, t_width, t_height, t_type, t_method
)
elif url_cache:
file_path = self.filepaths.url_cache_thumbnail_rel(
media_id, t_width, t_height, t_type, t_method
)
else:
file_path = self.filepaths.local_media_thumbnail_rel(
media_id, t_width, t_height, t_type, t_method
)
# Generate the thumbnail
if t_method == "crop":
t_byte_source = yield make_deferred_yieldable(threads.deferToThread(
@ -505,9 +623,19 @@ class MediaRepository(object):
continue
try:
# Write to disk
output_path = yield self.write_to_file_and_backup(
t_byte_source, file_path,
file_info = FileInfo(
server_name=server_name,
file_id=file_id,
thumbnail=True,
thumbnail_width=t_width,
thumbnail_height=t_height,
thumbnail_method=t_method,
thumbnail_type=t_type,
url_cache=url_cache,
)
output_path = yield self.media_storage.store_file(
t_byte_source, file_info,
)
finally:
t_byte_source.close()
@ -620,7 +748,11 @@ class MediaRepositoryResource(Resource):
self.putChild("upload", UploadResource(hs, media_repo))
self.putChild("download", DownloadResource(hs, media_repo))
self.putChild("thumbnail", ThumbnailResource(hs, media_repo))
self.putChild("thumbnail", ThumbnailResource(
hs, media_repo, media_repo.media_storage,
))
self.putChild("identicon", IdenticonResource())
if hs.config.url_preview_enabled:
self.putChild("preview_url", PreviewUrlResource(hs, media_repo))
self.putChild("preview_url", PreviewUrlResource(
hs, media_repo, media_repo.media_storage,
))

274
synapse/rest/media/v1/media_storage.py Normal file
View file

@ -0,0 +1,274 @@
# -*- coding: utf-8 -*-
# Copyright 2018 New Vecotr 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, threads
from twisted.protocols.basic import FileSender
from ._base import Responder
from synapse.util.file_consumer import BackgroundFileConsumer
from synapse.util.logcontext import make_deferred_yieldable
import contextlib
import os
import logging
import shutil
import sys
logger = logging.getLogger(__name__)
class MediaStorage(object):
"""Responsible for storing/fetching files from local sources.
Args:
local_media_directory (str): Base path where we store media on disk
filepaths (MediaFilePaths)
storage_providers ([StorageProvider]): List of StorageProvider that are
used to fetch and store files.
"""
def __init__(self, local_media_directory, filepaths, storage_providers):
self.local_media_directory = local_media_directory
self.filepaths = filepaths
self.storage_providers = storage_providers
@defer.inlineCallbacks
def store_file(self, source, file_info):
"""Write `source` to the on disk media store, and also any other
configured storage providers
Args:
source: A file like object that should be written
file_info (FileInfo): Info about the file to store
Returns:
Deferred[str]: the file path written to in the primary media store
"""
path = self._file_info_to_path(file_info)
fname = os.path.join(self.local_media_directory, path)
dirname = os.path.dirname(fname)
if not os.path.exists(dirname):
os.makedirs(dirname)
# Write to the main repository
yield make_deferred_yieldable(threads.deferToThread(
_write_file_synchronously, source, fname,
))
# Tell the storage providers about the new file. They'll decide
# if they should upload it and whether to do so synchronously
# or not.
for provider in self.storage_providers:
yield provider.store_file(path, file_info)
defer.returnValue(fname)
@contextlib.contextmanager
def store_into_file(self, file_info):
"""Context manager used to get a file like object to write into, as
described by file_info.
Actually yields a 3-tuple (file, fname, finish_cb), where file is a file
like object that can be written to, fname is the absolute path of file
on disk, and finish_cb is a function that returns a Deferred.
fname can be used to read the contents from after upload, e.g. to
generate thumbnails.
finish_cb must be called and waited on after the file has been
successfully been written to. Should not be called if there was an
error.
Args:
file_info (FileInfo): Info about the file to store
Example:
with media_storage.store_into_file(info) as (f, fname, finish_cb):
# .. write into f ...
yield finish_cb()
"""
path = self._file_info_to_path(file_info)
fname = os.path.join(self.local_media_directory, path)
dirname = os.path.dirname(fname)
if not os.path.exists(dirname):
os.makedirs(dirname)
finished_called = [False]
@defer.inlineCallbacks
def finish():
for provider in self.storage_providers:
yield provider.store_file(path, file_info)
finished_called[0] = True
try:
with open(fname, "wb") as f:
yield f, fname, finish
except Exception:
t, v, tb = sys.exc_info()
try:
os.remove(fname)
except Exception:
pass
raise t, v, tb
if not finished_called:
raise Exception("Finished callback not called")
@defer.inlineCallbacks
def fetch_media(self, file_info):
"""Attempts to fetch media described by file_info from the local cache
and configured storage providers.
Args:
file_info (FileInfo)
Returns:
Deferred[Responder|None]: Returns a Responder if the file was found,
otherwise None.
"""
path = self._file_info_to_path(file_info)
local_path = os.path.join(self.local_media_directory, path)
if os.path.exists(local_path):
defer.returnValue(FileResponder(open(local_path, "rb")))
for provider in self.storage_providers:
res = yield provider.fetch(path, file_info)
if res:
defer.returnValue(res)
defer.returnValue(None)
@defer.inlineCallbacks
def ensure_media_is_in_local_cache(self, file_info):
"""Ensures that the given file is in the local cache. Attempts to
download it from storage providers if it isn't.
Args:
file_info (FileInfo)
Returns:
Deferred[str]: Full path to local file
"""
path = self._file_info_to_path(file_info)
local_path = os.path.join(self.local_media_directory, path)
if os.path.exists(local_path):
defer.returnValue(local_path)
dirname = os.path.dirname(local_path)
if not os.path.exists(dirname):
os.makedirs(dirname)
for provider in self.storage_providers:
res = yield provider.fetch(path, file_info)
if res:
with res:
consumer = BackgroundFileConsumer(open(local_path, "w"))
yield res.write_to_consumer(consumer)
yield consumer.wait()
defer.returnValue(local_path)
raise Exception("file could not be found")
def _file_info_to_path(self, file_info):
"""Converts file_info into a relative path.
The path is suitable for storing files under a directory, e.g. used to
store files on local FS under the base media repository directory.
Args:
file_info (FileInfo)
Returns:
str
"""
if file_info.url_cache:
if file_info.thumbnail:
return self.filepaths.url_cache_thumbnail_rel(
media_id=file_info.file_id,
width=file_info.thumbnail_width,
height=file_info.thumbnail_height,
content_type=file_info.thumbnail_type,
method=file_info.thumbnail_method,
)
return self.filepaths.url_cache_filepath_rel(file_info.file_id)
if file_info.server_name:
if file_info.thumbnail:
return self.filepaths.remote_media_thumbnail_rel(
server_name=file_info.server_name,
file_id=file_info.file_id,
width=file_info.thumbnail_width,
height=file_info.thumbnail_height,
content_type=file_info.thumbnail_type,
method=file_info.thumbnail_method
)
return self.filepaths.remote_media_filepath_rel(
file_info.server_name, file_info.file_id,
)
if file_info.thumbnail:
return self.filepaths.local_media_thumbnail_rel(
media_id=file_info.file_id,
width=file_info.thumbnail_width,
height=file_info.thumbnail_height,
content_type=file_info.thumbnail_type,
method=file_info.thumbnail_method
)
return self.filepaths.local_media_filepath_rel(
file_info.file_id,
)
def _write_file_synchronously(source, fname):
"""Write `source` to the path `fname` synchronously. Should be called
from a thread.
Args:
source: A file like object to be written
fname (str): Path to write to
"""
dirname = os.path.dirname(fname)
if not os.path.exists(dirname):
os.makedirs(dirname)
source.seek(0) # Ensure we read from the start of the file
with open(fname, "wb") as f:
shutil.copyfileobj(source, f)
class FileResponder(Responder):
"""Wraps an open file that can be sent to a request.
Args:
open_file (file): A file like object to be streamed ot the client,
is closed when finished streaming.
"""
def __init__(self, open_file):
self.open_file = open_file
def write_to_consumer(self, consumer):
return FileSender().beginFileTransfer(self.open_file, consumer)
def __exit__(self, exc_type, exc_val, exc_tb):
self.open_file.close()

77
synapse/rest/media/v1/preview_url_resource.py
View file

@ -12,11 +12,26 @@
# 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 cgi
import datetime
import errno
import fnmatch
import itertools
import logging
import os
import re
import shutil
import sys
import traceback
import ujson as json
import urlparse
from twisted.web.server import NOT_DONE_YET
from twisted.internet import defer
from twisted.web.resource import Resource
from ._base import FileInfo
from synapse.api.errors import (
SynapseError, Codes,
)
@ -31,25 +46,13 @@ from synapse.http.server import (
from synapse.util.async import ObservableDeferred
from synapse.util.stringutils import is_ascii
import os
import re
import fnmatch
import cgi
import ujson as json
import urlparse
import itertools
import datetime
import errno
import shutil
import logging
logger = logging.getLogger(__name__)
class PreviewUrlResource(Resource):
isLeaf = True
def __init__(self, hs, media_repo):
def __init__(self, hs, media_repo, media_storage):
Resource.__init__(self)
self.auth = hs.get_auth()
@ -62,6 +65,7 @@ class PreviewUrlResource(Resource):
self.client = SpiderHttpClient(hs)
self.media_repo = media_repo
self.primary_base_path = media_repo.primary_base_path
self.media_storage = media_storage
self.url_preview_url_blacklist = hs.config.url_preview_url_blacklist
@ -182,8 +186,10 @@ class PreviewUrlResource(Resource):
logger.debug("got media_info of '%s'" % media_info)
if _is_media(media_info['media_type']):
file_id = media_info['filesystem_id']
dims = yield self.media_repo._generate_thumbnails(
None, media_info['filesystem_id'], media_info, url_cache=True,
None, file_id, file_id, media_info["media_type"],
url_cache=True,
)
og = {
@ -228,8 +234,10 @@ class PreviewUrlResource(Resource):
if _is_media(image_info['media_type']):
# TODO: make sure we don't choke on white-on-transparent images
file_id = image_info['filesystem_id']
dims = yield self.media_repo._generate_thumbnails(
None, image_info['filesystem_id'], image_info, url_cache=True,
None, file_id, file_id, image_info["media_type"],
url_cache=True,
)
if dims:
og["og:image:width"] = dims['width']
@ -273,21 +281,34 @@ class PreviewUrlResource(Resource):
file_id = datetime.date.today().isoformat() + '_' + random_string(16)
fpath = self.filepaths.url_cache_filepath_rel(file_id)
fname = os.path.join(self.primary_base_path, fpath)
self.media_repo._makedirs(fname)
file_info = FileInfo(
server_name=None,
file_id=file_id,
url_cache=True,
)
try:
with open(fname, "wb") as f:
with self.media_storage.store_into_file(file_info) as (f, fname, finish):
try:
logger.debug("Trying to get url '%s'" % url)
length, headers, uri, code = yield self.client.get_file(
url, output_stream=f, max_size=self.max_spider_size,
)
except Exception as e:
# FIXME: pass through 404s and other error messages nicely
logger.warn("Error downloading %s: %r", url, e)
raise SynapseError(
500, "Failed to download content: %s" % (
traceback.format_exception_only(sys.exc_type, e),
),
Codes.UNKNOWN,
)
yield finish()
yield self.media_repo.copy_to_backup(fpath)
media_type = headers["Content-Type"][0]
try:
if "Content-Type" in headers:
media_type = headers["Content-Type"][0]
else:
media_type = "application/octet-stream"
time_now_ms = self.clock.time_msec()
content_disposition = headers.get("Content-Disposition", None)
@ -327,11 +348,11 @@ class PreviewUrlResource(Resource):
)
except Exception as e:
os.remove(fname)
raise SynapseError(
500, ("Failed to download content: %s" % e),
Codes.UNKNOWN
)
logger.error("Error handling downloaded %s: %r", url, e)
# TODO: we really ought to delete the downloaded file in this
# case, since we won't have recorded it in the db, and will
# therefore not expire it.
raise
defer.returnValue({
"media_type": media_type,

140
synapse/rest/media/v1/storage_provider.py Normal file
View file

@ -0,0 +1,140 @@
# -*- coding: utf-8 -*-
# Copyright 2018 New Vector 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, threads
from .media_storage import FileResponder
from synapse.config._base import Config
from synapse.util.logcontext import preserve_fn
import logging
import os
import shutil
logger = logging.getLogger(__name__)
class StorageProvider(object):
"""A storage provider is a service that can store uploaded media and
retrieve them.
"""
def store_file(self, path, file_info):
"""Store the file described by file_info. The actual contents can be
retrieved by reading the file in file_info.upload_path.
Args:
path (str): Relative path of file in local cache
file_info (FileInfo)
Returns:
Deferred
"""
pass
def fetch(self, path, file_info):
"""Attempt to fetch the file described by file_info and stream it
into writer.
Args:
path (str): Relative path of file in local cache
file_info (FileInfo)
Returns:
Deferred(Responder): Returns a Responder if the provider has the file,
otherwise returns None.
"""
pass
class StorageProviderWrapper(StorageProvider):
"""Wraps a storage provider and provides various config options
Args:
backend (StorageProvider)
store_local (bool): Whether to store new local files or not.
store_synchronous (bool): Whether to wait for file to be successfully
uploaded, or todo the upload in the backgroud.
store_remote (bool): Whether remote media should be uploaded
"""
def __init__(self, backend, store_local, store_synchronous, store_remote):
self.backend = backend
self.store_local = store_local
self.store_synchronous = store_synchronous
self.store_remote = store_remote
def store_file(self, path, file_info):
if not file_info.server_name and not self.store_local:
return defer.succeed(None)
if file_info.server_name and not self.store_remote:
return defer.succeed(None)
if self.store_synchronous:
return self.backend.store_file(path, file_info)
else:
# TODO: Handle errors.
preserve_fn(self.backend.store_file)(path, file_info)
return defer.succeed(None)
def fetch(self, path, file_info):
return self.backend.fetch(path, file_info)
class FileStorageProviderBackend(StorageProvider):
"""A storage provider that stores files in a directory on a filesystem.
Args:
hs (HomeServer)
config: The config returned by `parse_config`.
"""
def __init__(self, hs, config):
self.cache_directory = hs.config.media_store_path
self.base_directory = config
def store_file(self, path, file_info):
"""See StorageProvider.store_file"""
primary_fname = os.path.join(self.cache_directory, path)
backup_fname = os.path.join(self.base_directory, path)
dirname = os.path.dirname(backup_fname)
if not os.path.exists(dirname):
os.makedirs(dirname)
return threads.deferToThread(
shutil.copyfile, primary_fname, backup_fname,
)
def fetch(self, path, file_info):
"""See StorageProvider.fetch"""
backup_fname = os.path.join(self.base_directory, path)
if os.path.isfile(backup_fname):
return FileResponder(open(backup_fname, "rb"))
@staticmethod
def parse_config(config):
"""Called on startup to parse config supplied. This should parse
the config and raise if there is a problem.
The returned value is passed into the constructor.
In this case we only care about a single param, the directory, so let's
just pull that out.
"""
return Config.ensure_directory(config["directory"])

218
synapse/rest/media/v1/thumbnail_resource.py
View file

@ -14,7 +14,10 @@
# limitations under the License.
from ._base import parse_media_id, respond_404, respond_with_file
from ._base import (
parse_media_id, respond_404, respond_with_file, FileInfo,
respond_with_responder,
)
from twisted.web.resource import Resource
from synapse.http.servlet import parse_string, parse_integer
from synapse.http.server import request_handler, set_cors_headers
@ -30,12 +33,12 @@ logger = logging.getLogger(__name__)
class ThumbnailResource(Resource):
isLeaf = True
def __init__(self, hs, media_repo):
def __init__(self, hs, media_repo, media_storage):
Resource.__init__(self)
self.store = hs.get_datastore()
self.filepaths = media_repo.filepaths
self.media_repo = media_repo
self.media_storage = media_storage
self.dynamic_thumbnails = hs.config.dynamic_thumbnails
self.server_name = hs.hostname
self.version_string = hs.version_string
@ -64,6 +67,7 @@ class ThumbnailResource(Resource):
yield self._respond_local_thumbnail(
request, media_id, width, height, method, m_type
)
self.media_repo.mark_recently_accessed(None, media_id)
else:
if self.dynamic_thumbnails:
yield self._select_or_generate_remote_thumbnail(
@ -75,20 +79,20 @@ class ThumbnailResource(Resource):
request, server_name, media_id,
width, height, method, m_type
)
self.media_repo.mark_recently_accessed(server_name, media_id)
@defer.inlineCallbacks
def _respond_local_thumbnail(self, request, media_id, width, height,
method, m_type):
media_info = yield self.store.get_local_media(media_id)
if not media_info or media_info["quarantined_by"]:
if not media_info:
respond_404(request)
return
if media_info["quarantined_by"]:
logger.info("Media is quarantined")
respond_404(request)
return
# if media_info["media_type"] == "image/svg+xml":
# file_path = self.filepaths.local_media_filepath(media_id)
# yield respond_with_file(request, media_info["media_type"], file_path)
# return
thumbnail_infos = yield self.store.get_local_media_thumbnails(media_id)
@ -96,42 +100,39 @@ class ThumbnailResource(Resource):
thumbnail_info = self._select_thumbnail(
width, height, method, m_type, thumbnail_infos
)
t_width = thumbnail_info["thumbnail_width"]
t_height = thumbnail_info["thumbnail_height"]
t_type = thumbnail_info["thumbnail_type"]
t_method = thumbnail_info["thumbnail_method"]
if media_info["url_cache"]:
# TODO: Check the file still exists, if it doesn't we can redownload
# it from the url `media_info["url_cache"]`
file_path = self.filepaths.url_cache_thumbnail(
media_id, t_width, t_height, t_type, t_method,
)
else:
file_path = self.filepaths.local_media_thumbnail(
media_id, t_width, t_height, t_type, t_method,
)
yield respond_with_file(request, t_type, file_path)
else:
yield self._respond_default_thumbnail(
request, media_info, width, height, method, m_type,
file_info = FileInfo(
server_name=None, file_id=media_id,
url_cache=media_info["url_cache"],
thumbnail=True,
thumbnail_width=thumbnail_info["thumbnail_width"],
thumbnail_height=thumbnail_info["thumbnail_height"],
thumbnail_type=thumbnail_info["thumbnail_type"],
thumbnail_method=thumbnail_info["thumbnail_method"],
)
t_type = file_info.thumbnail_type
t_length = thumbnail_info["thumbnail_length"]
responder = yield self.media_storage.fetch_media(file_info)
yield respond_with_responder(request, responder, t_type, t_length)
else:
logger.info("Couldn't find any generated thumbnails")
respond_404(request)
@defer.inlineCallbacks
def _select_or_generate_local_thumbnail(self, request, media_id, desired_width,
desired_height, desired_method,
desired_type):
media_info = yield self.store.get_local_media(media_id)
if not media_info or media_info["quarantined_by"]:
if not media_info:
respond_404(request)
return
if media_info["quarantined_by"]:
logger.info("Media is quarantined")
respond_404(request)
return
# if media_info["media_type"] == "image/svg+xml":
# file_path = self.filepaths.local_media_filepath(media_id)
# yield respond_with_file(request, media_info["media_type"], file_path)
# return
thumbnail_infos = yield self.store.get_local_media_thumbnails(media_id)
for info in thumbnail_infos:
@ -141,46 +142,43 @@ class ThumbnailResource(Resource):
t_type = info["thumbnail_type"] == desired_type
if t_w and t_h and t_method and t_type:
if media_info["url_cache"]:
# TODO: Check the file still exists, if it doesn't we can redownload
# it from the url `media_info["url_cache"]`
file_path = self.filepaths.url_cache_thumbnail(
media_id, desired_width, desired_height, desired_type,
desired_method,
)
else:
file_path = self.filepaths.local_media_thumbnail(
media_id, desired_width, desired_height, desired_type,
desired_method,
)
yield respond_with_file(request, desired_type, file_path)
return
file_info = FileInfo(
server_name=None, file_id=media_id,
url_cache=media_info["url_cache"],
thumbnail=True,
thumbnail_width=info["thumbnail_width"],
thumbnail_height=info["thumbnail_height"],
thumbnail_type=info["thumbnail_type"],
thumbnail_method=info["thumbnail_method"],
)
logger.debug("We don't have a local thumbnail of that size. Generating")
t_type = file_info.thumbnail_type
t_length = info["thumbnail_length"]
responder = yield self.media_storage.fetch_media(file_info)
if responder:
yield respond_with_responder(request, responder, t_type, t_length)
return
logger.debug("We don't have a thumbnail of that size. Generating")
# Okay, so we generate one.
file_path = yield self.media_repo.generate_local_exact_thumbnail(
media_id, desired_width, desired_height, desired_method, desired_type
media_id, desired_width, desired_height, desired_method, desired_type,
url_cache=media_info["url_cache"],
)
if file_path:
yield respond_with_file(request, desired_type, file_path)
else:
yield self._respond_default_thumbnail(
request, media_info, desired_width, desired_height,
desired_method, desired_type,
)
logger.warn("Failed to generate thumbnail")
respond_404(request)
@defer.inlineCallbacks
def _select_or_generate_remote_thumbnail(self, request, server_name, media_id,
desired_width, desired_height,
desired_method, desired_type):
media_info = yield self.media_repo.get_remote_media(server_name, media_id)
# if media_info["media_type"] == "image/svg+xml":
# file_path = self.filepaths.remote_media_filepath(server_name, media_id)
# yield respond_with_file(request, media_info["media_type"], file_path)
# return
media_info = yield self.media_repo.get_remote_media_info(server_name, media_id)
thumbnail_infos = yield self.store.get_remote_media_thumbnails(
server_name, media_id,
@ -195,14 +193,24 @@ class ThumbnailResource(Resource):
t_type = info["thumbnail_type"] == desired_type
if t_w and t_h and t_method and t_type:
file_path = self.filepaths.remote_media_thumbnail(
server_name, file_id, desired_width, desired_height,
desired_type, desired_method,
file_info = FileInfo(
server_name=server_name, file_id=media_info["filesystem_id"],
thumbnail=True,
thumbnail_width=info["thumbnail_width"],
thumbnail_height=info["thumbnail_height"],
thumbnail_type=info["thumbnail_type"],
thumbnail_method=info["thumbnail_method"],
)
yield respond_with_file(request, desired_type, file_path)
return
logger.debug("We don't have a local thumbnail of that size. Generating")
t_type = file_info.thumbnail_type
t_length = info["thumbnail_length"]
responder = yield self.media_storage.fetch_media(file_info)
if responder:
yield respond_with_responder(request, responder, t_type, t_length)
return
logger.debug("We don't have a thumbnail of that size. Generating")
# Okay, so we generate one.
file_path = yield self.media_repo.generate_remote_exact_thumbnail(
@ -213,22 +221,16 @@ class ThumbnailResource(Resource):
if file_path:
yield respond_with_file(request, desired_type, file_path)
else:
yield self._respond_default_thumbnail(
request, media_info, desired_width, desired_height,
desired_method, desired_type,
)
logger.warn("Failed to generate thumbnail")
respond_404(request)
@defer.inlineCallbacks
def _respond_remote_thumbnail(self, request, server_name, media_id, width,
height, method, m_type):
# TODO: Don't download the whole remote file
# We should proxy the thumbnail from the remote server instead.
media_info = yield self.media_repo.get_remote_media(server_name, media_id)
# if media_info["media_type"] == "image/svg+xml":
# file_path = self.filepaths.remote_media_filepath(server_name, media_id)
# yield respond_with_file(request, media_info["media_type"], file_path)
# return
# We should proxy the thumbnail from the remote server instead of
# downloading the remote file and generating our own thumbnails.
media_info = yield self.media_repo.get_remote_media_info(server_name, media_id)
thumbnail_infos = yield self.store.get_remote_media_thumbnails(
server_name, media_id,
@ -238,59 +240,23 @@ class ThumbnailResource(Resource):
thumbnail_info = self._select_thumbnail(
width, height, method, m_type, thumbnail_infos
)
t_width = thumbnail_info["thumbnail_width"]
t_height = thumbnail_info["thumbnail_height"]
t_type = thumbnail_info["thumbnail_type"]
t_method = thumbnail_info["thumbnail_method"]
file_id = thumbnail_info["filesystem_id"]
file_info = FileInfo(
server_name=server_name, file_id=media_info["filesystem_id"],
thumbnail=True,
thumbnail_width=thumbnail_info["thumbnail_width"],
thumbnail_height=thumbnail_info["thumbnail_height"],
thumbnail_type=thumbnail_info["thumbnail_type"],
thumbnail_method=thumbnail_info["thumbnail_method"],
)
t_type = file_info.thumbnail_type
t_length = thumbnail_info["thumbnail_length"]
file_path = self.filepaths.remote_media_thumbnail(
server_name, file_id, t_width, t_height, t_type, t_method,
)
yield respond_with_file(request, t_type, file_path, t_length)
responder = yield self.media_storage.fetch_media(file_info)
yield respond_with_responder(request, responder, t_type, t_length)
else:
yield self._respond_default_thumbnail(
request, media_info, width, height, method, m_type,
)
@defer.inlineCallbacks
def _respond_default_thumbnail(self, request, media_info, width, height,
method, m_type):
# XXX: how is this meant to work? store.get_default_thumbnails
# appears to always return [] so won't this always 404?
media_type = media_info["media_type"]
top_level_type = media_type.split("/")[0]
sub_type = media_type.split("/")[-1].split(";")[0]
thumbnail_infos = yield self.store.get_default_thumbnails(
top_level_type, sub_type,
)
if not thumbnail_infos:
thumbnail_infos = yield self.store.get_default_thumbnails(
top_level_type, "_default",
)
if not thumbnail_infos:
thumbnail_infos = yield self.store.get_default_thumbnails(
"_default", "_default",
)
if not thumbnail_infos:
logger.info("Failed to find any generated thumbnails")
respond_404(request)
return
thumbnail_info = self._select_thumbnail(
width, height, "crop", m_type, thumbnail_infos
)
t_width = thumbnail_info["thumbnail_width"]
t_height = thumbnail_info["thumbnail_height"]
t_type = thumbnail_info["thumbnail_type"]
t_method = thumbnail_info["thumbnail_method"]
t_length = thumbnail_info["thumbnail_length"]
file_path = self.filepaths.default_thumbnail(
top_level_type, sub_type, t_width, t_height, t_type, t_method,
)
yield respond_with_file(request, t_type, file_path, t_length)
def _select_thumbnail(self, desired_width, desired_height, desired_method,
desired_type, thumbnail_infos):

28
synapse/server.py
View file

@ -55,6 +55,7 @@ from synapse.handlers.read_marker import ReadMarkerHandler
from synapse.handlers.user_directory import UserDirectoryHandler
from synapse.handlers.groups_local import GroupsLocalHandler
from synapse.handlers.profile import ProfileHandler
from synapse.handlers.message import EventCreationHandler
from synapse.groups.groups_server import GroupsServerHandler
from synapse.groups.attestations import GroupAttestionRenewer, GroupAttestationSigning
from synapse.http.client import SimpleHttpClient, InsecureInterceptableContextFactory
@ -66,7 +67,7 @@ from synapse.rest.media.v1.media_repository import (
MediaRepository,
MediaRepositoryResource,
)
from synapse.state import StateHandler
from synapse.state import StateHandler, StateResolutionHandler
from synapse.storage import DataStore
from synapse.streams.events import EventSources
from synapse.util import Clock
@ -102,6 +103,7 @@ class HomeServer(object):
'v1auth',
'auth',
'state_handler',
'state_resolution_handler',
'presence_handler',
'sync_handler',
'typing_handler',
@ -117,6 +119,7 @@ class HomeServer(object):
'application_service_handler',
'device_message_handler',
'profile_handler',
'event_creation_handler',
'deactivate_account_handler',
'set_password_handler',
'notifier',
@ -224,6 +227,9 @@ class HomeServer(object):
def build_state_handler(self):
return StateHandler(self)
def build_state_resolution_handler(self):
return StateResolutionHandler(self)
def build_presence_handler(self):
return PresenceHandler(self)
@ -272,6 +278,9 @@ class HomeServer(object):
def build_profile_handler(self):
return ProfileHandler(self)
def build_event_creation_handler(self):
return EventCreationHandler(self)
def build_deactivate_account_handler(self):
return DeactivateAccountHandler(self)
@ -307,6 +316,23 @@ class HomeServer(object):
**self.db_config.get("args", {})
)
def get_db_conn(self, run_new_connection=True):
"""Makes a new connection to the database, skipping the db pool
Returns:
Connection: a connection object implementing the PEP-249 spec
"""
# Any param beginning with cp_ is a parameter for adbapi, and should
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def build_media_repository_resource(self):
# build the media repo resource. This indirects through the HomeServer
# to ensure that we only have a single instance of

3
synapse/server.pyi
View file

@ -34,6 +34,9 @@ class HomeServer(object):
def get_state_handler(self) -> synapse.state.StateHandler:
pass
def get_state_resolution_handler(self) -> synapse.state.StateResolutionHandler:
pass
def get_deactivate_account_handler(self) -> synapse.handlers.deactivate_account.DeactivateAccountHandler:
pass

310
synapse/state.py
View file

@ -58,7 +58,11 @@ class _StateCacheEntry(object):
__slots__ = ["state", "state_group", "state_id", "prev_group", "delta_ids"]
def __init__(self, state, state_group, prev_group=None, delta_ids=None):
# dict[(str, str), str] map from (type, state_key) to event_id
self.state = frozendict(state)
# the ID of a state group if one and only one is involved.
# otherwise, None otherwise?
self.state_group = state_group
self.prev_group = prev_group
@ -81,31 +85,19 @@ class _StateCacheEntry(object):
class StateHandler(object):
""" Responsible for doing state conflict resolution.
"""Fetches bits of state from the stores, and does state resolution
where necessary
"""
def __init__(self, hs):
self.clock = hs.get_clock()
self.store = hs.get_datastore()
self.hs = hs
# dict of set of event_ids -> _StateCacheEntry.
self._state_cache = None
self.resolve_linearizer = Linearizer(name="state_resolve_lock")
self._state_resolution_handler = hs.get_state_resolution_handler()
def start_caching(self):
logger.debug("start_caching")
self._state_cache = ExpiringCache(
cache_name="state_cache",
clock=self.clock,
max_len=SIZE_OF_CACHE,
expiry_ms=EVICTION_TIMEOUT_SECONDS * 1000,
iterable=True,
reset_expiry_on_get=True,
)
self._state_cache.start()
# TODO: remove this shim
self._state_resolution_handler.start_caching()
@defer.inlineCallbacks
def get_current_state(self, room_id, event_type=None, state_key="",
@ -127,7 +119,7 @@ class StateHandler(object):
latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
logger.debug("calling resolve_state_groups from get_current_state")
ret = yield self.resolve_state_groups(room_id, latest_event_ids)
ret = yield self.resolve_state_groups_for_events(room_id, latest_event_ids)
state = ret.state
if event_type:
@ -146,19 +138,27 @@ class StateHandler(object):
defer.returnValue(state)
@defer.inlineCallbacks
def get_current_state_ids(self, room_id, event_type=None, state_key="",
latest_event_ids=None):
def get_current_state_ids(self, room_id, latest_event_ids=None):
"""Get the current state, or the state at a set of events, for a room
Args:
room_id (str):
latest_event_ids (iterable[str]|None): if given, the forward
extremities to resolve. If None, we look them up from the
database (via a cache)
Returns:
Deferred[dict[(str, str), str)]]: the state dict, mapping from
(event_type, state_key) -> event_id
"""
if not latest_event_ids:
latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
logger.debug("calling resolve_state_groups from get_current_state_ids")
ret = yield self.resolve_state_groups(room_id, latest_event_ids)
ret = yield self.resolve_state_groups_for_events(room_id, latest_event_ids)
state = ret.state
if event_type:
defer.returnValue(state.get((event_type, state_key)))
return
defer.returnValue(state)
@defer.inlineCallbacks
@ -166,7 +166,7 @@ class StateHandler(object):
if not latest_event_ids:
latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
logger.debug("calling resolve_state_groups from get_current_user_in_room")
entry = yield self.resolve_state_groups(room_id, latest_event_ids)
entry = yield self.resolve_state_groups_for_events(room_id, latest_event_ids)
joined_users = yield self.store.get_joined_users_from_state(room_id, entry)
defer.returnValue(joined_users)
@ -175,7 +175,7 @@ class StateHandler(object):
if not latest_event_ids:
latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
logger.debug("calling resolve_state_groups from get_current_hosts_in_room")
entry = yield self.resolve_state_groups(room_id, latest_event_ids)
entry = yield self.resolve_state_groups_for_events(room_id, latest_event_ids)
joined_hosts = yield self.store.get_joined_hosts(room_id, entry)
defer.returnValue(joined_hosts)
@ -183,8 +183,15 @@ class StateHandler(object):
def compute_event_context(self, event, old_state=None):
"""Build an EventContext structure for the event.
This works out what the current state should be for the event, and
generates a new state group if necessary.
Args:
event (synapse.events.EventBase):
old_state (dict|None): The state at the event if it can't be
calculated from existing events. This is normally only specified
when receiving an event from federation where we don't have the
prev events for, e.g. when backfilling.
Returns:
synapse.events.snapshot.EventContext:
"""
@ -208,15 +215,22 @@ class StateHandler(object):
context.current_state_ids = {}
context.prev_state_ids = {}
context.prev_state_events = []
context.state_group = self.store.get_next_state_group()
# We don't store state for outliers, so we don't generate a state
# froup for it.
context.state_group = None
defer.returnValue(context)
if old_state:
# We already have the state, so we don't need to calculate it.
# Let's just correctly fill out the context and create a
# new state group for it.
context = EventContext()
context.prev_state_ids = {
(s.type, s.state_key): s.event_id for s in old_state
}
context.state_group = self.store.get_next_state_group()
if event.is_state():
key = (event.type, event.state_key)
@ -229,11 +243,19 @@ class StateHandler(object):
else:
context.current_state_ids = context.prev_state_ids
context.state_group = yield self.store.store_state_group(
event.event_id,
event.room_id,
prev_group=None,
delta_ids=None,
current_state_ids=context.current_state_ids,
)
context.prev_state_events = []
defer.returnValue(context)
logger.debug("calling resolve_state_groups from compute_event_context")
entry = yield self.resolve_state_groups(
entry = yield self.resolve_state_groups_for_events(
event.room_id, [e for e, _ in event.prev_events],
)
@ -242,7 +264,8 @@ class StateHandler(object):
context = EventContext()
context.prev_state_ids = curr_state
if event.is_state():
context.state_group = self.store.get_next_state_group()
# If this is a state event then we need to create a new state
# group for the state after this event.
key = (event.type, event.state_key)
if key in context.prev_state_ids:
@ -253,38 +276,57 @@ class StateHandler(object):
context.current_state_ids[key] = event.event_id
if entry.state_group:
# If the state at the event has a state group assigned then
# we can use that as the prev group
context.prev_group = entry.state_group
context.delta_ids = {
key: event.event_id
}
elif entry.prev_group:
# If the state at the event only has a prev group, then we can
# use that as a prev group too.
context.prev_group = entry.prev_group
context.delta_ids = dict(entry.delta_ids)
context.delta_ids[key] = event.event_id
else:
if entry.state_group is None:
entry.state_group = self.store.get_next_state_group()
entry.state_id = entry.state_group
context.state_group = entry.state_group
context.state_group = yield self.store.store_state_group(
event.event_id,
event.room_id,
prev_group=context.prev_group,
delta_ids=context.delta_ids,
current_state_ids=context.current_state_ids,
)
else:
context.current_state_ids = context.prev_state_ids
context.prev_group = entry.prev_group
context.delta_ids = entry.delta_ids
if entry.state_group is None:
entry.state_group = yield self.store.store_state_group(
event.event_id,
event.room_id,
prev_group=entry.prev_group,
delta_ids=entry.delta_ids,
current_state_ids=context.current_state_ids,
)
entry.state_id = entry.state_group
context.state_group = entry.state_group
context.prev_state_events = []
defer.returnValue(context)
@defer.inlineCallbacks
@log_function
def resolve_state_groups(self, room_id, event_ids):
def resolve_state_groups_for_events(self, room_id, event_ids):
""" Given a list of event_ids this method fetches the state at each
event, resolves conflicts between them and returns them.
Args:
room_id (str):
event_ids (list[str]):
Returns:
a Deferred tuple of (`state_group`, `state`, `prev_state`).
`state_group` is the name of a state group if one and only one is
involved. `state` is a map from (type, state_key) to event, and
`prev_state` is a list of event ids.
Deferred[_StateCacheEntry]: resolved state
"""
logger.debug("resolve_state_groups event_ids %s", event_ids)
@ -295,13 +337,7 @@ class StateHandler(object):
room_id, event_ids
)
logger.debug(
"resolve_state_groups state_groups %s",
state_groups_ids.keys()
)
group_names = frozenset(state_groups_ids.keys())
if len(group_names) == 1:
if len(state_groups_ids) == 1:
name, state_list = state_groups_ids.items().pop()
prev_group, delta_ids = yield self.store.get_state_group_delta(name)
@ -313,6 +349,92 @@ class StateHandler(object):
delta_ids=delta_ids,
))
result = yield self._state_resolution_handler.resolve_state_groups(
room_id, state_groups_ids, self._state_map_factory,
)
defer.returnValue(result)
def _state_map_factory(self, ev_ids):
return self.store.get_events(
ev_ids, get_prev_content=False, check_redacted=False,
)
def resolve_events(self, state_sets, event):
logger.info(
"Resolving state for %s with %d groups", event.room_id, len(state_sets)
)
state_set_ids = [{
(ev.type, ev.state_key): ev.event_id
for ev in st
} for st in state_sets]
state_map = {
ev.event_id: ev
for st in state_sets
for ev in st
}
with Measure(self.clock, "state._resolve_events"):
new_state = resolve_events_with_state_map(state_set_ids, state_map)
new_state = {
key: state_map[ev_id] for key, ev_id in new_state.items()
}
return new_state
class StateResolutionHandler(object):
"""Responsible for doing state conflict resolution.
Note that the storage layer depends on this handler, so all functions must
be storage-independent.
"""
def __init__(self, hs):
self.clock = hs.get_clock()
# dict of set of event_ids -> _StateCacheEntry.
self._state_cache = None
self.resolve_linearizer = Linearizer(name="state_resolve_lock")
def start_caching(self):
logger.debug("start_caching")
self._state_cache = ExpiringCache(
cache_name="state_cache",
clock=self.clock,
max_len=SIZE_OF_CACHE,
expiry_ms=EVICTION_TIMEOUT_SECONDS * 1000,
iterable=True,
reset_expiry_on_get=True,
)
self._state_cache.start()
@defer.inlineCallbacks
@log_function
def resolve_state_groups(self, room_id, state_groups_ids, state_map_factory):
"""Resolves conflicts between a set of state groups
Always generates a new state group (unless we hit the cache), so should
not be called for a single state group
Args:
room_id (str): room we are resolving for (used for logging)
state_groups_ids (dict[int, dict[(str, str), str]]):
map from state group id to the state in that state group
(where 'state' is a map from state key to event id)
Returns:
Deferred[_StateCacheEntry]: resolved state
"""
logger.debug(
"resolve_state_groups state_groups %s",
state_groups_ids.keys()
)
group_names = frozenset(state_groups_ids.keys())
with (yield self.resolve_linearizer.queue(group_names)):
if self._state_cache is not None:
cache = self._state_cache.get(group_names, None)
@ -341,17 +463,19 @@ class StateHandler(object):
if conflicted_state:
logger.info("Resolving conflicted state for %r", room_id)
with Measure(self.clock, "state._resolve_events"):
new_state = yield resolve_events(
new_state = yield resolve_events_with_factory(
state_groups_ids.values(),
state_map_factory=lambda ev_ids: self.store.get_events(
ev_ids, get_prev_content=False, check_redacted=False,
),
state_map_factory=state_map_factory,
)
else:
new_state = {
key: e_ids.pop() for key, e_ids in state.items()
}
# if the new state matches any of the input state groups, we can
# use that state group again. Otherwise we will generate a state_id
# which will be used as a cache key for future resolutions, but
# not get persisted.
state_group = None
new_state_event_ids = frozenset(new_state.values())
for sg, events in state_groups_ids.items():
@ -388,30 +512,6 @@ class StateHandler(object):
defer.returnValue(cache)
def resolve_events(self, state_sets, event):
logger.info(
"Resolving state for %s with %d groups", event.room_id, len(state_sets)
)
state_set_ids = [{
(ev.type, ev.state_key): ev.event_id
for ev in st
} for st in state_sets]
state_map = {
ev.event_id: ev
for st in state_sets
for ev in st
}
with Measure(self.clock, "state._resolve_events"):
new_state = resolve_events(state_set_ids, state_map)
new_state = {
key: state_map[ev_id] for key, ev_id in new_state.items()
}
return new_state
def _ordered_events(events):
def key_func(e):
@ -420,19 +520,17 @@ def _ordered_events(events):
return sorted(events, key=key_func)
def resolve_events(state_sets, state_map_factory):
def resolve_events_with_state_map(state_sets, state_map):
"""
Args:
state_sets(list): List of dicts of (type, state_key) -> event_id,
which are the different state groups to resolve.
state_map_factory(dict|callable): If callable, then will be called
with a list of event_ids that are needed, and should return with
a Deferred of dict of event_id to event. Otherwise, should be
a dict from event_id to event of all events in state_sets.
state_map(dict): a dict from event_id to event, for all events in
state_sets.
Returns
dict[(str, str), synapse.events.FrozenEvent] is a map from
(type, state_key) to event.
dict[(str, str), str]:
a map from (type, state_key) to event_id.
"""
if len(state_sets) == 1:
return state_sets[0]
@ -441,13 +539,6 @@ def resolve_events(state_sets, state_map_factory):
state_sets,
)
if callable(state_map_factory):
return _resolve_with_state_fac(
unconflicted_state, conflicted_state, state_map_factory
)
state_map = state_map_factory
auth_events = _create_auth_events_from_maps(
unconflicted_state, conflicted_state, state_map
)
@ -461,6 +552,21 @@ def _seperate(state_sets):
"""Takes the state_sets and figures out which keys are conflicted and
which aren't. i.e., which have multiple different event_ids associated
with them in different state sets.
Args:
state_sets(list[dict[(str, str), str]]):
List of dicts of (type, state_key) -> event_id, which are the
different state groups to resolve.
Returns:
(dict[(str, str), str], dict[(str, str), set[str]]):
A tuple of (unconflicted_state, conflicted_state), where:
unconflicted_state is a dict mapping (type, state_key)->event_id
for unconflicted state keys.
conflicted_state is a dict mapping (type, state_key) to a set of
event ids for conflicted state keys.
"""
unconflicted_state = dict(state_sets[0])
conflicted_state = {}
@ -491,8 +597,26 @@ def _seperate(state_sets):
@defer.inlineCallbacks
def _resolve_with_state_fac(unconflicted_state, conflicted_state,
state_map_factory):
def resolve_events_with_factory(state_sets, state_map_factory):
"""
Args:
state_sets(list): List of dicts of (type, state_key) -> event_id,
which are the different state groups to resolve.
state_map_factory(func): will be called
with a list of event_ids that are needed, and should return with
a Deferred of dict of event_id to event.
Returns
Deferred[dict[(str, str), str]]:
a map from (type, state_key) to event_id.
"""
if len(state_sets) == 1:
defer.returnValue(state_sets[0])
unconflicted_state, conflicted_state = _seperate(
state_sets,
)
needed_events = set(
event_id
for event_ids in conflicted_state.itervalues()

1
synapse/storage/__init__.py
View file

@ -124,7 +124,6 @@ class DataStore(RoomMemberStore, RoomStore,
)
self._transaction_id_gen = IdGenerator(db_conn, "sent_transactions", "id")
self._state_groups_id_gen = IdGenerator(db_conn, "state_groups", "id")
self._access_tokens_id_gen = IdGenerator(db_conn, "access_tokens", "id")
self._event_reports_id_gen = IdGenerator(db_conn, "event_reports", "id")
self._push_rule_id_gen = IdGenerator(db_conn, "push_rules", "id")

55
synapse/storage/_base.py
View file

@ -291,33 +291,33 @@ class SQLBaseStore(object):
@defer.inlineCallbacks
def runInteraction(self, desc, func, *args, **kwargs):
"""Wraps the .runInteraction() method on the underlying db_pool."""
current_context = LoggingContext.current_context()
"""Starts a transaction on the database and runs a given function
start_time = time.time() * 1000
Arguments:
desc (str): description of the transaction, for logging and metrics
func (func): callback function, which will be called with a
database transaction (twisted.enterprise.adbapi.Transaction) as
its first argument, followed by `args` and `kwargs`.
args (list): positional args to pass to `func`
kwargs (dict): named args to pass to `func`
Returns:
Deferred: The result of func
"""
current_context = LoggingContext.current_context()
after_callbacks = []
final_callbacks = []
def inner_func(conn, *args, **kwargs):
with LoggingContext("runInteraction") as context:
sql_scheduling_timer.inc_by(time.time() * 1000 - start_time)
if self.database_engine.is_connection_closed(conn):
logger.debug("Reconnecting closed database connection")
conn.reconnect()
current_context.copy_to(context)
return self._new_transaction(
conn, desc, after_callbacks, final_callbacks, current_context,
func, *args, **kwargs
)
return self._new_transaction(
conn, desc, after_callbacks, final_callbacks, current_context,
func, *args, **kwargs
)
try:
with PreserveLoggingContext():
result = yield self._db_pool.runWithConnection(
inner_func, *args, **kwargs
)
result = yield self.runWithConnection(inner_func, *args, **kwargs)
for after_callback, after_args, after_kwargs in after_callbacks:
after_callback(*after_args, **after_kwargs)
@ -329,14 +329,27 @@ class SQLBaseStore(object):
@defer.inlineCallbacks
def runWithConnection(self, func, *args, **kwargs):
"""Wraps the .runInteraction() method on the underlying db_pool."""
"""Wraps the .runWithConnection() method on the underlying db_pool.
Arguments:
func (func): callback function, which will be called with a
database connection (twisted.enterprise.adbapi.Connection) as
its first argument, followed by `args` and `kwargs`.
args (list): positional args to pass to `func`
kwargs (dict): named args to pass to `func`
Returns:
Deferred: The result of func
"""
current_context = LoggingContext.current_context()
start_time = time.time() * 1000
def inner_func(conn, *args, **kwargs):
with LoggingContext("runWithConnection") as context:
sql_scheduling_timer.inc_by(time.time() * 1000 - start_time)
sched_duration_ms = time.time() * 1000 - start_time
sql_scheduling_timer.inc_by(sched_duration_ms)
current_context.add_database_scheduled(sched_duration_ms)
if self.database_engine.is_connection_closed(conn):
logger.debug("Reconnecting closed database connection")

6
synapse/storage/engines/postgres.py
View file

@ -62,3 +62,9 @@ class PostgresEngine(object):
def lock_table(self, txn, table):
txn.execute("LOCK TABLE %s in EXCLUSIVE MODE" % (table,))
def get_next_state_group_id(self, txn):
"""Returns an int that can be used as a new state_group ID
"""
txn.execute("SELECT nextval('state_group_id_seq')")
return txn.fetchone()[0]

19
synapse/storage/engines/sqlite3.py
View file

@ -16,6 +16,7 @@
from synapse.storage.prepare_database import prepare_database
import struct
import threading
class Sqlite3Engine(object):
@ -24,6 +25,11 @@ class Sqlite3Engine(object):
def __init__(self, database_module, database_config):
self.module = database_module
# The current max state_group, or None if we haven't looked
# in the DB yet.
self._current_state_group_id = None
self._current_state_group_id_lock = threading.Lock()
def check_database(self, txn):
pass
@ -43,6 +49,19 @@ class Sqlite3Engine(object):
def lock_table(self, txn, table):
return
def get_next_state_group_id(self, txn):
"""Returns an int that can be used as a new state_group ID
"""
# We do application locking here since if we're using sqlite then
# we are a single process synapse.
with self._current_state_group_id_lock:
if self._current_state_group_id is None:
txn.execute("SELECT COALESCE(max(id), 0) FROM state_groups")
self._current_state_group_id = txn.fetchone()[0]
self._current_state_group_id += 1
return self._current_state_group_id
# Following functions taken from: https://github.com/coleifer/peewee

209
synapse/storage/events.py
View file

@ -27,7 +27,7 @@ from synapse.util.logutils import log_function
from synapse.util.metrics import Measure
from synapse.api.constants import EventTypes
from synapse.api.errors import SynapseError
from synapse.state import resolve_events
from synapse.state import resolve_events_with_factory
from synapse.util.caches.descriptors import cached
from synapse.types import get_domain_from_id
@ -110,7 +110,7 @@ class _EventPeristenceQueue(object):
end_item.events_and_contexts.extend(events_and_contexts)
return end_item.deferred.observe()
deferred = ObservableDeferred(defer.Deferred())
deferred = ObservableDeferred(defer.Deferred(), consumeErrors=True)
queue.append(self._EventPersistQueueItem(
events_and_contexts=events_and_contexts,
@ -146,18 +146,25 @@ class _EventPeristenceQueue(object):
try:
queue = self._get_drainining_queue(room_id)
for item in queue:
# handle_queue_loop runs in the sentinel logcontext, so
# there is no need to preserve_fn when running the
# callbacks on the deferred.
try:
ret = yield per_item_callback(item)
item.deferred.callback(ret)
except Exception as e:
item.deferred.errback(e)
except Exception:
item.deferred.errback()
finally:
queue = self._event_persist_queues.pop(room_id, None)
if queue:
self._event_persist_queues[room_id] = queue
self._currently_persisting_rooms.discard(room_id)
preserve_fn(handle_queue_loop)()
# set handle_queue_loop off on the background. We don't want to
# attribute work done in it to the current request, so we drop the
# logcontext altogether.
with PreserveLoggingContext():
handle_queue_loop()
def _get_drainining_queue(self, room_id):
queue = self._event_persist_queues.setdefault(room_id, deque())
@ -335,8 +342,20 @@ class EventsStore(SQLBaseStore):
# NB: Assumes that we are only persisting events for one room
# at a time.
# map room_id->list[event_ids] giving the new forward
# extremities in each room
new_forward_extremeties = {}
# map room_id->(type,state_key)->event_id tracking the full
# state in each room after adding these events
current_state_for_room = {}
# map room_id->(to_delete, to_insert) where each entry is
# a map (type,key)->event_id giving the state delta in each
# room
state_delta_for_room = {}
if not backfilled:
with Measure(self._clock, "_calculate_state_and_extrem"):
# Work out the new "current state" for each room.
@ -379,11 +398,19 @@ class EventsStore(SQLBaseStore):
if all_single_prev_not_state:
continue
state = yield self._calculate_state_delta(
room_id, ev_ctx_rm, new_latest_event_ids
logger.info(
"Calculating state delta for room %s", room_id,
)
if state:
current_state_for_room[room_id] = state
current_state = yield self._get_new_state_after_events(
ev_ctx_rm, new_latest_event_ids,
)
if current_state is not None:
current_state_for_room[room_id] = current_state
delta = yield self._calculate_state_delta(
room_id, current_state,
)
if delta is not None:
state_delta_for_room[room_id] = delta
yield self.runInteraction(
"persist_events",
@ -391,7 +418,7 @@ class EventsStore(SQLBaseStore):
events_and_contexts=chunk,
backfilled=backfilled,
delete_existing=delete_existing,
current_state_for_room=current_state_for_room,
state_delta_for_room=state_delta_for_room,
new_forward_extremeties=new_forward_extremeties,
)
persist_event_counter.inc_by(len(chunk))
@ -408,7 +435,7 @@ class EventsStore(SQLBaseStore):
event_counter.inc(event.type, origin_type, origin_entity)
for room_id, (_, _, new_state) in current_state_for_room.iteritems():
for room_id, new_state in current_state_for_room.iteritems():
self.get_current_state_ids.prefill(
(room_id, ), new_state
)
@ -460,20 +487,22 @@ class EventsStore(SQLBaseStore):
defer.returnValue(new_latest_event_ids)
@defer.inlineCallbacks
def _calculate_state_delta(self, room_id, events_context, new_latest_event_ids):
"""Calculate the new state deltas for a room.
def _get_new_state_after_events(self, events_context, new_latest_event_ids):
"""Calculate the current state dict after adding some new events to
a room
Assumes that we are only persisting events for one room at a time.
Args:
events_context (list[(EventBase, EventContext)]):
events and contexts which are being added to the room
new_latest_event_ids (iterable[str]):
the new forward extremities for the room.
Returns:
3-tuple (to_delete, to_insert, new_state) where both are state dicts,
i.e. (type, state_key) -> event_id. `to_delete` are the entries to
first be deleted from current_state_events, `to_insert` are entries
to insert. `new_state` is the full set of state.
May return None if there are no changes to be applied.
Deferred[dict[(str,str), str]|None]:
None if there are no changes to the room state, or
a dict of (type, state_key) -> event_id].
"""
# Now we need to work out the different state sets for
# each state extremities
state_sets = []
state_groups = set()
missing_event_ids = []
@ -516,18 +545,23 @@ class EventsStore(SQLBaseStore):
state_sets.extend(group_to_state.itervalues())
if not new_latest_event_ids:
current_state = {}
defer.returnValue({})
elif was_updated:
if len(state_sets) == 1:
# If there is only one state set, then we know what the current
# state is.
current_state = state_sets[0]
defer.returnValue(state_sets[0])
else:
# We work out the current state by passing the state sets to the
# state resolution algorithm. It may ask for some events, including
# the events we have yet to persist, so we need a slightly more
# complicated event lookup function than simply looking the events
# up in the db.
logger.info(
"Resolving state with %i state sets", len(state_sets),
)
events_map = {ev.event_id: ev for ev, _ in events_context}
@defer.inlineCallbacks
@ -550,13 +584,26 @@ class EventsStore(SQLBaseStore):
to_return.update(evs)
defer.returnValue(to_return)
current_state = yield resolve_events(
current_state = yield resolve_events_with_factory(
state_sets,
state_map_factory=get_events,
)
defer.returnValue(current_state)
else:
return
@defer.inlineCallbacks
def _calculate_state_delta(self, room_id, current_state):
"""Calculate the new state deltas for a room.
Assumes that we are only persisting events for one room at a time.
Returns:
2-tuple (to_delete, to_insert) where both are state dicts,
i.e. (type, state_key) -> event_id. `to_delete` are the entries to
first be deleted from current_state_events, `to_insert` are entries
to insert.
"""
existing_state = yield self.get_current_state_ids(room_id)
existing_events = set(existing_state.itervalues())
@ -576,7 +623,7 @@ class EventsStore(SQLBaseStore):
if ev_id in events_to_insert
}
defer.returnValue((to_delete, to_insert, current_state))
defer.returnValue((to_delete, to_insert))
@defer.inlineCallbacks
def get_event(self, event_id, check_redacted=True,
@ -636,7 +683,7 @@ class EventsStore(SQLBaseStore):
@log_function
def _persist_events_txn(self, txn, events_and_contexts, backfilled,
delete_existing=False, current_state_for_room={},
delete_existing=False, state_delta_for_room={},
new_forward_extremeties={}):
"""Insert some number of room events into the necessary database tables.
@ -652,7 +699,7 @@ class EventsStore(SQLBaseStore):
delete_existing (bool): True to purge existing table rows for the
events from the database. This is useful when retrying due to
IntegrityError.
current_state_for_room (dict[str, (list[str], list[str])]):
state_delta_for_room (dict[str, (list[str], list[str])]):
The current-state delta for each room. For each room, a tuple
(to_delete, to_insert), being a list of event ids to be removed
from the current state, and a list of event ids to be added to
@ -664,7 +711,7 @@ class EventsStore(SQLBaseStore):
"""
max_stream_order = events_and_contexts[-1][0].internal_metadata.stream_ordering
self._update_current_state_txn(txn, current_state_for_room, max_stream_order)
self._update_current_state_txn(txn, state_delta_for_room, max_stream_order)
self._update_forward_extremities_txn(
txn,
@ -708,9 +755,8 @@ class EventsStore(SQLBaseStore):
events_and_contexts=events_and_contexts,
)
# Insert into the state_groups, state_groups_state, and
# event_to_state_groups tables.
self._store_mult_state_groups_txn(txn, events_and_contexts)
# Insert into event_to_state_groups.
self._store_event_state_mappings_txn(txn, events_and_contexts)
# _store_rejected_events_txn filters out any events which were
# rejected, and returns the filtered list.
@ -730,7 +776,7 @@ class EventsStore(SQLBaseStore):
def _update_current_state_txn(self, txn, state_delta_by_room, max_stream_order):
for room_id, current_state_tuple in state_delta_by_room.iteritems():
to_delete, to_insert, _ = current_state_tuple
to_delete, to_insert = current_state_tuple
txn.executemany(
"DELETE FROM current_state_events WHERE event_id = ?",
[(ev_id,) for ev_id in to_delete.itervalues()],
@ -945,10 +991,9 @@ class EventsStore(SQLBaseStore):
# an outlier in the database. We now have some state at that
# so we need to update the state_groups table with that state.
# insert into the state_group, state_groups_state and
# event_to_state_groups tables.
# insert into event_to_state_groups.
try:
self._store_mult_state_groups_txn(txn, ((event, context),))
self._store_event_state_mappings_txn(txn, ((event, context),))
except Exception:
logger.exception("")
raise
@ -2018,16 +2063,32 @@ class EventsStore(SQLBaseStore):
)
return self.runInteraction("get_all_new_events", get_all_new_events_txn)
def delete_old_state(self, room_id, topological_ordering):
return self.runInteraction(
"delete_old_state",
self._delete_old_state_txn, room_id, topological_ordering
)
def purge_history(
self, room_id, topological_ordering, delete_local_events,
):
"""Deletes room history before a certain point
def _delete_old_state_txn(self, txn, room_id, topological_ordering):
"""Deletes old room state
Args:
room_id (str):
topological_ordering (int):
minimum topo ordering to preserve
delete_local_events (bool):
if True, we will delete local events as well as remote ones
(instead of just marking them as outliers and deleting their
state groups).
"""
return self.runInteraction(
"purge_history",
self._purge_history_txn, room_id, topological_ordering,
delete_local_events,
)
def _purge_history_txn(
self, txn, room_id, topological_ordering, delete_local_events,
):
# Tables that should be pruned:
# event_auth
# event_backward_extremities
@ -2068,7 +2129,7 @@ class EventsStore(SQLBaseStore):
400, "topological_ordering is greater than forward extremeties"
)
logger.debug("[purge] looking for events to delete")
logger.info("[purge] looking for events to delete")
txn.execute(
"SELECT event_id, state_key FROM events"
@ -2080,16 +2141,16 @@ class EventsStore(SQLBaseStore):
to_delete = [
(event_id,) for event_id, state_key in event_rows
if state_key is None and not self.hs.is_mine_id(event_id)
if state_key is None and (
delete_local_events or not self.hs.is_mine_id(event_id)
)
]
logger.info(
"[purge] found %i events before cutoff, of which %i are remote"
" non-state events to delete", len(event_rows), len(to_delete))
"[purge] found %i events before cutoff, of which %i can be deleted",
len(event_rows), len(to_delete),
)
for event_id, state_key in event_rows:
txn.call_after(self._get_state_group_for_event.invalidate, (event_id,))
logger.debug("[purge] Finding new backward extremities")
logger.info("[purge] Finding new backward extremities")
# We calculate the new entries for the backward extremeties by finding
# all events that point to events that are to be purged
@ -2103,7 +2164,7 @@ class EventsStore(SQLBaseStore):
)
new_backwards_extrems = txn.fetchall()
logger.debug("[purge] replacing backward extremities: %r", new_backwards_extrems)
logger.info("[purge] replacing backward extremities: %r", new_backwards_extrems)
txn.execute(
"DELETE FROM event_backward_extremities WHERE room_id = ?",
@ -2119,7 +2180,7 @@ class EventsStore(SQLBaseStore):
]
)
logger.debug("[purge] finding redundant state groups")
logger.info("[purge] finding redundant state groups")
# Get all state groups that are only referenced by events that are
# to be deleted.
@ -2136,15 +2197,15 @@ class EventsStore(SQLBaseStore):
)
state_rows = txn.fetchall()
logger.debug("[purge] found %i redundant state groups", len(state_rows))
logger.info("[purge] found %i redundant state groups", len(state_rows))
# make a set of the redundant state groups, so that we can look them up
# efficiently
state_groups_to_delete = set([sg for sg, in state_rows])
# Now we get all the state groups that rely on these state groups
logger.debug("[purge] finding state groups which depend on redundant"
" state groups")
logger.info("[purge] finding state groups which depend on redundant"
" state groups")
remaining_state_groups = []
for i in xrange(0, len(state_rows), 100):
chunk = [sg for sg, in state_rows[i:i + 100]]
@ -2169,7 +2230,7 @@ class EventsStore(SQLBaseStore):
# Now we turn the state groups that reference to-be-deleted state
# groups to non delta versions.
for sg in remaining_state_groups:
logger.debug("[purge] de-delta-ing remaining state group %s", sg)
logger.info("[purge] de-delta-ing remaining state group %s", sg)
curr_state = self._get_state_groups_from_groups_txn(
txn, [sg], types=None
)
@ -2206,7 +2267,7 @@ class EventsStore(SQLBaseStore):
],
)
logger.debug("[purge] removing redundant state groups")
logger.info("[purge] removing redundant state groups")
txn.executemany(
"DELETE FROM state_groups_state WHERE state_group = ?",
state_rows
@ -2216,18 +2277,15 @@ class EventsStore(SQLBaseStore):
state_rows
)
# Delete all non-state
logger.debug("[purge] removing events from event_to_state_groups")
logger.info("[purge] removing events from event_to_state_groups")
txn.executemany(
"DELETE FROM event_to_state_groups WHERE event_id = ?",
[(event_id,) for event_id, _ in event_rows]
)
logger.debug("[purge] updating room_depth")
txn.execute(
"UPDATE room_depth SET min_depth = ? WHERE room_id = ?",
(topological_ordering, room_id,)
)
for event_id, _ in event_rows:
txn.call_after(self._get_state_group_for_event.invalidate, (
event_id,
))
# Delete all remote non-state events
for table in (
@ -2245,7 +2303,8 @@ class EventsStore(SQLBaseStore):
"event_signatures",
"rejections",
):
logger.debug("[purge] removing remote non-state events from %s", table)
logger.info("[purge] removing remote non-state events from %s",
table)
txn.executemany(
"DELETE FROM %s WHERE event_id = ?" % (table,),
@ -2253,16 +2312,30 @@ class EventsStore(SQLBaseStore):
)
# Mark all state and own events as outliers
logger.debug("[purge] marking remaining events as outliers")
logger.info("[purge] marking remaining events as outliers")
txn.executemany(
"UPDATE events SET outlier = ?"
" WHERE event_id = ?",
[
(True, event_id,) for event_id, state_key in event_rows
if state_key is not None or self.hs.is_mine_id(event_id)
if state_key is not None or (
not delete_local_events and self.hs.is_mine_id(event_id)
)
]
)
# synapse tries to take out an exclusive lock on room_depth whenever it
# persists events (because upsert), and once we run this update, we
# will block that for the rest of our transaction.
#
# So, let's stick it at the end so that we don't block event
# persistence.
logger.info("[purge] updating room_depth")
txn.execute(
"UPDATE room_depth SET min_depth = ? WHERE room_id = ?",
(topological_ordering, room_id,)
)
logger.info("[purge] done")
@defer.inlineCallbacks

26
synapse/storage/media_repository.py
View file

@ -29,9 +29,6 @@ class MediaRepositoryStore(BackgroundUpdateStore):
where_clause='url_cache IS NOT NULL',
)
def get_default_thumbnails(self, top_level_type, sub_type):
return []
def get_local_media(self, media_id):
"""Get the metadata for a local piece of media
Returns:
@ -176,7 +173,14 @@ class MediaRepositoryStore(BackgroundUpdateStore):
desc="store_cached_remote_media",
)
def update_cached_last_access_time(self, origin_id_tuples, time_ts):
def update_cached_last_access_time(self, local_media, remote_media, time_ms):
"""Updates the last access time of the given media
Args:
local_media (iterable[str]): Set of media_ids
remote_media (iterable[(str, str)]): Set of (server_name, media_id)
time_ms: Current time in milliseconds
"""
def update_cache_txn(txn):
sql = (
"UPDATE remote_media_cache SET last_access_ts = ?"
@ -184,8 +188,18 @@ class MediaRepositoryStore(BackgroundUpdateStore):
)
txn.executemany(sql, (
(time_ts, media_origin, media_id)
for media_origin, media_id in origin_id_tuples
(time_ms, media_origin, media_id)
for media_origin, media_id in remote_media
))
sql = (
"UPDATE local_media_repository SET last_access_ts = ?"
" WHERE media_id = ?"
)
txn.executemany(sql, (
(time_ms, media_id)
for media_id in local_media
))
return self.runInteraction("update_cached_last_access_time", update_cache_txn)

2
synapse/storage/prepare_database.py
View file

@ -25,7 +25,7 @@ logger = logging.getLogger(__name__)
# Remember to update this number every time a change is made to database
# schema files, so the users will be informed on server restarts.
SCHEMA_VERSION = 46
SCHEMA_VERSION = 47
dir_path = os.path.abspath(os.path.dirname(__file__))

198
synapse/storage/room.py
View file

@ -16,11 +16,9 @@
from twisted.internet import defer
from synapse.api.errors import StoreError
from synapse.storage.search import SearchStore
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
from ._base import SQLBaseStore
from .engines import PostgresEngine, Sqlite3Engine
import collections
import logging
import ujson as json
@ -40,7 +38,7 @@ RatelimitOverride = collections.namedtuple(
)
class RoomStore(SQLBaseStore):
class RoomStore(SearchStore):
@defer.inlineCallbacks
def store_room(self, room_id, room_creator_user_id, is_public):
@ -263,8 +261,8 @@ class RoomStore(SQLBaseStore):
},
)
self._store_event_search_txn(
txn, event, "content.topic", event.content["topic"]
self.store_event_search_txn(
txn, event, "content.topic", event.content["topic"],
)
def _store_room_name_txn(self, txn, event):
@ -279,14 +277,14 @@ class RoomStore(SQLBaseStore):
}
)
self._store_event_search_txn(
txn, event, "content.name", event.content["name"]
self.store_event_search_txn(
txn, event, "content.name", event.content["name"],
)
def _store_room_message_txn(self, txn, event):
if hasattr(event, "content") and "body" in event.content:
self._store_event_search_txn(
txn, event, "content.body", event.content["body"]
self.store_event_search_txn(
txn, event, "content.body", event.content["body"],
)
def _store_history_visibility_txn(self, txn, event):
@ -308,31 +306,6 @@ class RoomStore(SQLBaseStore):
event.content[key]
))
def _store_event_search_txn(self, txn, event, key, value):
if isinstance(self.database_engine, PostgresEngine):
sql = (
"INSERT INTO event_search"
" (event_id, room_id, key, vector, stream_ordering, origin_server_ts)"
" VALUES (?,?,?,to_tsvector('english', ?),?,?)"
)
txn.execute(
sql,
(
event.event_id, event.room_id, key, value,
event.internal_metadata.stream_ordering,
event.origin_server_ts,
)
)
elif isinstance(self.database_engine, Sqlite3Engine):
sql = (
"INSERT INTO event_search (event_id, room_id, key, value)"
" VALUES (?,?,?,?)"
)
txn.execute(sql, (event.event_id, event.room_id, key, value,))
else:
# This should be unreachable.
raise Exception("Unrecognized database engine")
def add_event_report(self, room_id, event_id, user_id, reason, content,
received_ts):
next_id = self._event_reports_id_gen.get_next()
@ -533,73 +506,114 @@ class RoomStore(SQLBaseStore):
)
self.is_room_blocked.invalidate((room_id,))
def get_media_mxcs_in_room(self, room_id):
"""Retrieves all the local and remote media MXC URIs in a given room
Args:
room_id (str)
Returns:
The local and remote media as a lists of tuples where the key is
the hostname and the value is the media ID.
"""
def _get_media_mxcs_in_room_txn(txn):
local_mxcs, remote_mxcs = self._get_media_mxcs_in_room_txn(txn, room_id)
local_media_mxcs = []
remote_media_mxcs = []
# Convert the IDs to MXC URIs
for media_id in local_mxcs:
local_media_mxcs.append("mxc://%s/%s" % (self.hostname, media_id))
for hostname, media_id in remote_mxcs:
remote_media_mxcs.append("mxc://%s/%s" % (hostname, media_id))
return local_media_mxcs, remote_media_mxcs
return self.runInteraction("get_media_ids_in_room", _get_media_mxcs_in_room_txn)
def quarantine_media_ids_in_room(self, room_id, quarantined_by):
"""For a room loops through all events with media and quarantines
the associated media
"""
def _get_media_ids_in_room(txn):
mxc_re = re.compile("^mxc://([^/]+)/([^/#?]+)")
next_token = self.get_current_events_token() + 1
def _quarantine_media_in_room_txn(txn):
local_mxcs, remote_mxcs = self._get_media_mxcs_in_room_txn(txn, room_id)
total_media_quarantined = 0
while next_token:
sql = """
SELECT stream_ordering, content FROM events
WHERE room_id = ?
AND stream_ordering < ?
AND contains_url = ? AND outlier = ?
ORDER BY stream_ordering DESC
LIMIT ?
# Now update all the tables to set the quarantined_by flag
txn.executemany("""
UPDATE local_media_repository
SET quarantined_by = ?
WHERE media_id = ?
""", ((quarantined_by, media_id) for media_id in local_mxcs))
txn.executemany(
"""
txn.execute(sql, (room_id, next_token, True, False, 100))
next_token = None
local_media_mxcs = []
remote_media_mxcs = []
for stream_ordering, content_json in txn:
next_token = stream_ordering
content = json.loads(content_json)
content_url = content.get("url")
thumbnail_url = content.get("info", {}).get("thumbnail_url")
for url in (content_url, thumbnail_url):
if not url:
continue
matches = mxc_re.match(url)
if matches:
hostname = matches.group(1)
media_id = matches.group(2)
if hostname == self.hostname:
local_media_mxcs.append(media_id)
else:
remote_media_mxcs.append((hostname, media_id))
# Now update all the tables to set the quarantined_by flag
txn.executemany("""
UPDATE local_media_repository
UPDATE remote_media_cache
SET quarantined_by = ?
WHERE media_id = ?
""", ((quarantined_by, media_id) for media_id in local_media_mxcs))
txn.executemany(
"""
UPDATE remote_media_cache
SET quarantined_by = ?
WHERE media_origin AND media_id = ?
""",
(
(quarantined_by, origin, media_id)
for origin, media_id in remote_media_mxcs
)
WHERE media_origin = ? AND media_id = ?
""",
(
(quarantined_by, origin, media_id)
for origin, media_id in remote_mxcs
)
)
total_media_quarantined += len(local_media_mxcs)
total_media_quarantined += len(remote_media_mxcs)
total_media_quarantined += len(local_mxcs)
total_media_quarantined += len(remote_mxcs)
return total_media_quarantined
return self.runInteraction("get_media_ids_in_room", _get_media_ids_in_room)
return self.runInteraction(
"quarantine_media_in_room",
_quarantine_media_in_room_txn,
)
def _get_media_mxcs_in_room_txn(self, txn, room_id):
"""Retrieves all the local and remote media MXC URIs in a given room
Args:
txn (cursor)
room_id (str)
Returns:
The local and remote media as a lists of tuples where the key is
the hostname and the value is the media ID.
"""
mxc_re = re.compile("^mxc://([^/]+)/([^/#?]+)")
next_token = self.get_current_events_token() + 1
local_media_mxcs = []
remote_media_mxcs = []
while next_token:
sql = """
SELECT stream_ordering, content FROM events
WHERE room_id = ?
AND stream_ordering < ?
AND contains_url = ? AND outlier = ?
ORDER BY stream_ordering DESC
LIMIT ?
"""
txn.execute(sql, (room_id, next_token, True, False, 100))
next_token = None
for stream_ordering, content_json in txn:
next_token = stream_ordering
content = json.loads(content_json)
content_url = content.get("url")
thumbnail_url = content.get("info", {}).get("thumbnail_url")
for url in (content_url, thumbnail_url):
if not url:
continue
matches = mxc_re.match(url)
if matches:
hostname = matches.group(1)
media_id = matches.group(2)
if hostname == self.hostname:
local_media_mxcs.append(media_id)
else:
remote_media_mxcs.append((hostname, media_id))
return local_media_mxcs, remote_media_mxcs

16
synapse/storage/schema/delta/47/last_access_media.sql Normal file
View file

@ -0,0 +1,16 @@
/* Copyright 2018 New Vector 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.
*/
ALTER TABLE local_media_repository ADD COLUMN last_access_ts BIGINT;

37
synapse/storage/schema/delta/47/state_group_seq.py Normal file
View file

@ -0,0 +1,37 @@
# Copyright 2018 New Vector 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.storage.engines import PostgresEngine
def run_create(cur, database_engine, *args, **kwargs):
if isinstance(database_engine, PostgresEngine):
# if we already have some state groups, we want to start making new
# ones with a higher id.
cur.execute("SELECT max(id) FROM state_groups")
row = cur.fetchone()
if row[0] is None:
start_val = 1
else:
start_val = row[0] + 1
cur.execute(
"CREATE SEQUENCE state_group_id_seq START WITH %s",
(start_val, ),
)
def run_upgrade(*args, **kwargs):
pass

141
synapse/storage/search.py
View file

@ -13,19 +13,26 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from collections import namedtuple
import logging
import re
import sys
import ujson as json
from twisted.internet import defer
from .background_updates import BackgroundUpdateStore
from synapse.api.errors import SynapseError
from synapse.storage.engines import PostgresEngine, Sqlite3Engine
import logging
import re
import ujson as json
logger = logging.getLogger(__name__)
SearchEntry = namedtuple('SearchEntry', [
'key', 'value', 'event_id', 'room_id', 'stream_ordering',
'origin_server_ts',
])
class SearchStore(BackgroundUpdateStore):
@ -60,16 +67,17 @@ class SearchStore(BackgroundUpdateStore):
@defer.inlineCallbacks
def _background_reindex_search(self, progress, batch_size):
# we work through the events table from highest stream id to lowest
target_min_stream_id = progress["target_min_stream_id_inclusive"]
max_stream_id = progress["max_stream_id_exclusive"]
rows_inserted = progress.get("rows_inserted", 0)
INSERT_CLUMP_SIZE = 1000
TYPES = ["m.room.name", "m.room.message", "m.room.topic"]
def reindex_search_txn(txn):
sql = (
"SELECT stream_ordering, event_id, room_id, type, content FROM events"
"SELECT stream_ordering, event_id, room_id, type, content, "
" origin_server_ts FROM events"
" WHERE ? <= stream_ordering AND stream_ordering < ?"
" AND (%s)"
" ORDER BY stream_ordering DESC"
@ -78,6 +86,10 @@ class SearchStore(BackgroundUpdateStore):
txn.execute(sql, (target_min_stream_id, max_stream_id, batch_size))
# we could stream straight from the results into
# store_search_entries_txn with a generator function, but that
# would mean having two cursors open on the database at once.
# Instead we just build a list of results.
rows = self.cursor_to_dict(txn)
if not rows:
return 0
@ -90,6 +102,8 @@ class SearchStore(BackgroundUpdateStore):
event_id = row["event_id"]
room_id = row["room_id"]
etype = row["type"]
stream_ordering = row["stream_ordering"]
origin_server_ts = row["origin_server_ts"]
try:
content = json.loads(row["content"])
except Exception:
@ -104,6 +118,8 @@ class SearchStore(BackgroundUpdateStore):
elif etype == "m.room.name":
key = "content.name"
value = content["name"]
else:
raise Exception("unexpected event type %s" % etype)
except (KeyError, AttributeError):
# If the event is missing a necessary field then
# skip over it.
@ -114,25 +130,16 @@ class SearchStore(BackgroundUpdateStore):
# then skip over it
continue
event_search_rows.append((event_id, room_id, key, value))
event_search_rows.append(SearchEntry(
key=key,
value=value,
event_id=event_id,
room_id=room_id,
stream_ordering=stream_ordering,
origin_server_ts=origin_server_ts,
))
if isinstance(self.database_engine, PostgresEngine):
sql = (
"INSERT INTO event_search (event_id, room_id, key, vector)"
" VALUES (?,?,?,to_tsvector('english', ?))"
)
elif isinstance(self.database_engine, Sqlite3Engine):
sql = (
"INSERT INTO event_search (event_id, room_id, key, value)"
" VALUES (?,?,?,?)"
)
else:
# This should be unreachable.
raise Exception("Unrecognized database engine")
for index in range(0, len(event_search_rows), INSERT_CLUMP_SIZE):
clump = event_search_rows[index:index + INSERT_CLUMP_SIZE]
txn.executemany(sql, clump)
self.store_search_entries_txn(txn, event_search_rows)
progress = {
"target_min_stream_id_inclusive": target_min_stream_id,
@ -276,6 +283,92 @@ class SearchStore(BackgroundUpdateStore):
defer.returnValue(num_rows)
def store_event_search_txn(self, txn, event, key, value):
"""Add event to the search table
Args:
txn (cursor):
event (EventBase):
key (str):
value (str):
"""
self.store_search_entries_txn(
txn,
(SearchEntry(
key=key,
value=value,
event_id=event.event_id,
room_id=event.room_id,
stream_ordering=event.internal_metadata.stream_ordering,
origin_server_ts=event.origin_server_ts,
),),
)
def store_search_entries_txn(self, txn, entries):
"""Add entries to the search table
Args:
txn (cursor):
entries (iterable[SearchEntry]):
entries to be added to the table
"""
if isinstance(self.database_engine, PostgresEngine):
sql = (
"INSERT INTO event_search"
" (event_id, room_id, key, vector, stream_ordering, origin_server_ts)"
" VALUES (?,?,?,to_tsvector('english', ?),?,?)"
)
args = ((
entry.event_id, entry.room_id, entry.key, entry.value,
entry.stream_ordering, entry.origin_server_ts,
) for entry in entries)
# inserts to a GIN index are normally batched up into a pending
# list, and then all committed together once the list gets to a
# certain size. The trouble with that is that postgres (pre-9.5)
# uses work_mem to determine the length of the list, and work_mem
# is typically very large.
#
# We therefore reduce work_mem while we do the insert.
#
# (postgres 9.5 uses the separate gin_pending_list_limit setting,
# so doesn't suffer the same problem, but changing work_mem will
# be harmless)
txn.execute("SET work_mem='256kB'")
try:
txn.executemany(sql, args)
except Exception:
# we need to reset work_mem, but doing so may throw a new
# exception and we want to preserve the original
t, v, tb = sys.exc_info()
try:
txn.execute("RESET work_mem")
except Exception as e:
logger.warn(
"exception resetting work_mem during exception "
"handling: %r",
e,
)
raise t, v, tb
else:
txn.execute("RESET work_mem")
elif isinstance(self.database_engine, Sqlite3Engine):
sql = (
"INSERT INTO event_search (event_id, room_id, key, value)"
" VALUES (?,?,?,?)"
)
args = ((
entry.event_id, entry.room_id, entry.key, entry.value,
) for entry in entries)
txn.executemany(sql, args)
else:
# This should be unreachable.
raise Exception("Unrecognized database engine")
@defer.inlineCallbacks
def search_msgs(self, room_ids, search_term, keys):
"""Performs a full text search over events with given keys.

224
synapse/storage/state.py
View file

@ -42,11 +42,8 @@ class _GetStateGroupDelta(namedtuple("_GetStateGroupDelta", ("prev_group", "delt
return len(self.delta_ids) if self.delta_ids else 0
class StateGroupReadStore(SQLBaseStore):
"""The read-only parts of StateGroupStore
None of these functions write to the state tables, so are suitable for
including in the SlavedStores.
class StateGroupWorkerStore(SQLBaseStore):
"""The parts of StateGroupStore that can be called from workers.
"""
STATE_GROUP_DEDUPLICATION_UPDATE_NAME = "state_group_state_deduplication"
@ -54,7 +51,7 @@ class StateGroupReadStore(SQLBaseStore):
CURRENT_STATE_INDEX_UPDATE_NAME = "current_state_members_idx"
def __init__(self, db_conn, hs):
super(StateGroupReadStore, self).__init__(db_conn, hs)
super(StateGroupWorkerStore, self).__init__(db_conn, hs)
self._state_group_cache = DictionaryCache(
"*stateGroupCache*", 100000 * CACHE_SIZE_FACTOR
@ -549,8 +546,117 @@ class StateGroupReadStore(SQLBaseStore):
defer.returnValue(results)
def store_state_group(self, event_id, room_id, prev_group, delta_ids,
current_state_ids):
"""Store a new set of state, returning a newly assigned state group.
class StateStore(StateGroupReadStore, BackgroundUpdateStore):
Args:
event_id (str): The event ID for which the state was calculated
room_id (str)
prev_group (int|None): A previous state group for the room, optional.
delta_ids (dict|None): The delta between state at `prev_group` and
`current_state_ids`, if `prev_group` was given. Same format as
`current_state_ids`.
current_state_ids (dict): The state to store. Map of (type, state_key)
to event_id.
Returns:
Deferred[int]: The state group ID
"""
def _store_state_group_txn(txn):
if current_state_ids is None:
# AFAIK, this can never happen
raise Exception("current_state_ids cannot be None")
state_group = self.database_engine.get_next_state_group_id(txn)
self._simple_insert_txn(
txn,
table="state_groups",
values={
"id": state_group,
"room_id": room_id,
"event_id": event_id,
},
)
# We persist as a delta if we can, while also ensuring the chain
# of deltas isn't tooo long, as otherwise read performance degrades.
if prev_group:
is_in_db = self._simple_select_one_onecol_txn(
txn,
table="state_groups",
keyvalues={"id": prev_group},
retcol="id",
allow_none=True,
)
if not is_in_db:
raise Exception(
"Trying to persist state with unpersisted prev_group: %r"
% (prev_group,)
)
potential_hops = self._count_state_group_hops_txn(
txn, prev_group
)
if prev_group and potential_hops < MAX_STATE_DELTA_HOPS:
self._simple_insert_txn(
txn,
table="state_group_edges",
values={
"state_group": state_group,
"prev_state_group": prev_group,
},
)
self._simple_insert_many_txn(
txn,
table="state_groups_state",
values=[
{
"state_group": state_group,
"room_id": room_id,
"type": key[0],
"state_key": key[1],
"event_id": state_id,
}
for key, state_id in delta_ids.iteritems()
],
)
else:
self._simple_insert_many_txn(
txn,
table="state_groups_state",
values=[
{
"state_group": state_group,
"room_id": room_id,
"type": key[0],
"state_key": key[1],
"event_id": state_id,
}
for key, state_id in current_state_ids.iteritems()
],
)
# Prefill the state group cache with this group.
# It's fine to use the sequence like this as the state group map
# is immutable. (If the map wasn't immutable then this prefill could
# race with another update)
txn.call_after(
self._state_group_cache.update,
self._state_group_cache.sequence,
key=state_group,
value=dict(current_state_ids),
full=True,
)
return state_group
return self.runInteraction("store_state_group", _store_state_group_txn)
class StateStore(StateGroupWorkerStore, BackgroundUpdateStore):
""" Keeps track of the state at a given event.
This is done by the concept of `state groups`. Every event is a assigned
@ -591,27 +697,12 @@ class StateStore(StateGroupReadStore, BackgroundUpdateStore):
where_clause="type='m.room.member'",
)
def _have_persisted_state_group_txn(self, txn, state_group):
txn.execute(
"SELECT count(*) FROM state_groups WHERE id = ?",
(state_group,)
)
row = txn.fetchone()
return row and row[0]
def _store_mult_state_groups_txn(self, txn, events_and_contexts):
def _store_event_state_mappings_txn(self, txn, events_and_contexts):
state_groups = {}
for event, context in events_and_contexts:
if event.internal_metadata.is_outlier():
continue
if context.current_state_ids is None:
# AFAIK, this can never happen
logger.error(
"Non-outlier event %s had current_state_ids==None",
event.event_id)
continue
# if the event was rejected, just give it the same state as its
# predecessor.
if context.rejected:
@ -620,90 +711,6 @@ class StateStore(StateGroupReadStore, BackgroundUpdateStore):
state_groups[event.event_id] = context.state_group
if self._have_persisted_state_group_txn(txn, context.state_group):
continue
self._simple_insert_txn(
txn,
table="state_groups",
values={
"id": context.state_group,
"room_id": event.room_id,
"event_id": event.event_id,
},
)
# We persist as a delta if we can, while also ensuring the chain
# of deltas isn't tooo long, as otherwise read performance degrades.
if context.prev_group:
is_in_db = self._simple_select_one_onecol_txn(
txn,
table="state_groups",
keyvalues={"id": context.prev_group},
retcol="id",
allow_none=True,
)
if not is_in_db:
raise Exception(
"Trying to persist state with unpersisted prev_group: %r"
% (context.prev_group,)
)
potential_hops = self._count_state_group_hops_txn(
txn, context.prev_group
)
if context.prev_group and potential_hops < MAX_STATE_DELTA_HOPS:
self._simple_insert_txn(
txn,
table="state_group_edges",
values={
"state_group": context.state_group,
"prev_state_group": context.prev_group,
},
)
self._simple_insert_many_txn(
txn,
table="state_groups_state",
values=[
{
"state_group": context.state_group,
"room_id": event.room_id,
"type": key[0],
"state_key": key[1],
"event_id": state_id,
}
for key, state_id in context.delta_ids.iteritems()
],
)
else:
self._simple_insert_many_txn(
txn,
table="state_groups_state",
values=[
{
"state_group": context.state_group,
"room_id": event.room_id,
"type": key[0],
"state_key": key[1],
"event_id": state_id,
}
for key, state_id in context.current_state_ids.iteritems()
],
)
# Prefill the state group cache with this group.
# It's fine to use the sequence like this as the state group map
# is immutable. (If the map wasn't immutable then this prefill could
# race with another update)
txn.call_after(
self._state_group_cache.update,
self._state_group_cache.sequence,
key=context.state_group,
value=dict(context.current_state_ids),
full=True,
)
self._simple_insert_many_txn(
txn,
table="event_to_state_groups",
@ -763,9 +770,6 @@ class StateStore(StateGroupReadStore, BackgroundUpdateStore):
return count
def get_next_state_group(self):
return self._state_groups_id_gen.get_next()
@defer.inlineCallbacks
def _background_deduplicate_state(self, progress, batch_size):
"""This background update will slowly deduplicate state by reencoding

13
synapse/storage/user_directory.py
View file

@ -641,8 +641,12 @@ class UserDirectoryStore(SQLBaseStore):
"""
if self.hs.config.user_directory_search_all_users:
join_clause = ""
where_clause = "?<>''" # naughty hack to keep the same number of binds
# make s.user_id null to keep the ordering algorithm happy
join_clause = """
CROSS JOIN (SELECT NULL as user_id) AS s
"""
join_args = ()
where_clause = "1=1"
else:
join_clause = """
LEFT JOIN users_in_public_rooms AS p USING (user_id)
@ -651,6 +655,7 @@ class UserDirectoryStore(SQLBaseStore):
WHERE user_id = ? AND share_private
) AS s USING (user_id)
"""
join_args = (user_id,)
where_clause = "(s.user_id IS NOT NULL OR p.user_id IS NOT NULL)"
if isinstance(self.database_engine, PostgresEngine):
@ -692,7 +697,7 @@ class UserDirectoryStore(SQLBaseStore):
avatar_url IS NULL
LIMIT ?
""" % (join_clause, where_clause)
args = (user_id, full_query, exact_query, prefix_query, limit + 1,)
args = join_args + (full_query, exact_query, prefix_query, limit + 1,)
elif isinstance(self.database_engine, Sqlite3Engine):
search_query = _parse_query_sqlite(search_term)
@ -710,7 +715,7 @@ class UserDirectoryStore(SQLBaseStore):
avatar_url IS NULL
LIMIT ?
""" % (join_clause, where_clause)
args = (user_id, search_query, limit + 1)
args = join_args + (search_query, limit + 1)
else:
# This should be unreachable.
raise Exception("Unrecognized database engine")

4
synapse/util/caches/descriptors.py
View file

@ -75,6 +75,7 @@ class Cache(object):
self.cache = LruCache(
max_size=max_entries, keylen=keylen, cache_type=cache_type,
size_callback=(lambda d: len(d)) if iterable else None,
evicted_callback=self._on_evicted,
)
self.name = name
@ -83,6 +84,9 @@ class Cache(object):
self.thread = None
self.metrics = register_cache(name, self.cache)
def _on_evicted(self, evicted_count):
self.metrics.inc_evictions(evicted_count)
def check_thread(self):
expected_thread = self.thread
if expected_thread is None:

6
synapse/util/caches/expiringcache.py
View file

@ -79,7 +79,11 @@ class ExpiringCache(object):
while self._max_len and len(self) > self._max_len:
_key, value = self._cache.popitem(last=False)
if self.iterable:
self._size_estimate -= len(value.value)
removed_len = len(value.value)
self.metrics.inc_evictions(removed_len)
self._size_estimate -= removed_len
else:
self.metrics.inc_evictions()
def __getitem__(self, key):
try:

28
synapse/util/caches/lrucache.py
View file

@ -49,7 +49,24 @@ class LruCache(object):
Can also set callbacks on objects when getting/setting which are fired
when that key gets invalidated/evicted.
"""
def __init__(self, max_size, keylen=1, cache_type=dict, size_callback=None):
def __init__(self, max_size, keylen=1, cache_type=dict, size_callback=None,
evicted_callback=None):
"""
Args:
max_size (int):
keylen (int):
cache_type (type):
type of underlying cache to be used. Typically one of dict
or TreeCache.
size_callback (func(V) -> int | None):
evicted_callback (func(int)|None):
if not None, called on eviction with the size of the evicted
entry
"""
cache = cache_type()
self.cache = cache # Used for introspection.
list_root = _Node(None, None, None, None)
@ -61,8 +78,10 @@ class LruCache(object):
def evict():
while cache_len() > max_size:
todelete = list_root.prev_node
delete_node(todelete)
evicted_len = delete_node(todelete)
cache.pop(todelete.key, None)
if evicted_callback:
evicted_callback(evicted_len)
def synchronized(f):
@wraps(f)
@ -111,12 +130,15 @@ class LruCache(object):
prev_node.next_node = next_node
next_node.prev_node = prev_node
deleted_len = 1
if size_callback:
cached_cache_len[0] -= size_callback(node.value)
deleted_len = size_callback(node.value)
cached_cache_len[0] -= deleted_len
for cb in node.callbacks:
cb()
node.callbacks.clear()
return deleted_len
@synchronized
def cache_get(key, default=None, callbacks=[]):

139
synapse/util/file_consumer.py Normal file
View file

@ -0,0 +1,139 @@
# -*- coding: utf-8 -*-
# Copyright 2018 New Vector 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 threads, reactor
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
import Queue
class BackgroundFileConsumer(object):
"""A consumer that writes to a file like object. Supports both push
and pull producers
Args:
file_obj (file): The file like object to write to. Closed when
finished.
"""
# For PushProducers pause if we have this many unwritten slices
_PAUSE_ON_QUEUE_SIZE = 5
# And resume once the size of the queue is less than this
_RESUME_ON_QUEUE_SIZE = 2
def __init__(self, file_obj):
self._file_obj = file_obj
# Producer we're registered with
self._producer = None
# True if PushProducer, false if PullProducer
self.streaming = False
# For PushProducers, indicates whether we've paused the producer and
# need to call resumeProducing before we get more data.
self._paused_producer = False
# Queue of slices of bytes to be written. When producer calls
# unregister a final None is sent.
self._bytes_queue = Queue.Queue()
# Deferred that is resolved when finished writing
self._finished_deferred = None
# If the _writer thread throws an exception it gets stored here.
self._write_exception = None
def registerProducer(self, producer, streaming):
"""Part of IConsumer interface
Args:
producer (IProducer)
streaming (bool): True if push based producer, False if pull
based.
"""
if self._producer:
raise Exception("registerProducer called twice")
self._producer = producer
self.streaming = streaming
self._finished_deferred = preserve_fn(threads.deferToThread)(self._writer)
if not streaming:
self._producer.resumeProducing()
def unregisterProducer(self):
"""Part of IProducer interface
"""
self._producer = None
if not self._finished_deferred.called:
self._bytes_queue.put_nowait(None)
def write(self, bytes):
"""Part of IProducer interface
"""
if self._write_exception:
raise self._write_exception
if self._finished_deferred.called:
raise Exception("consumer has closed")
self._bytes_queue.put_nowait(bytes)
# If this is a PushProducer and the queue is getting behind
# then we pause the producer.
if self.streaming and self._bytes_queue.qsize() >= self._PAUSE_ON_QUEUE_SIZE:
self._paused_producer = True
self._producer.pauseProducing()
def _writer(self):
"""This is run in a background thread to write to the file.
"""
try:
while self._producer or not self._bytes_queue.empty():
# If we've paused the producer check if we should resume the
# producer.
if self._producer and self._paused_producer:
if self._bytes_queue.qsize() <= self._RESUME_ON_QUEUE_SIZE:
reactor.callFromThread(self._resume_paused_producer)
bytes = self._bytes_queue.get()
# If we get a None (or empty list) then that's a signal used
# to indicate we should check if we should stop.
if bytes:
self._file_obj.write(bytes)
# If its a pull producer then we need to explicitly ask for
# more stuff.
if not self.streaming and self._producer:
reactor.callFromThread(self._producer.resumeProducing)
except Exception as e:
self._write_exception = e
raise
finally:
self._file_obj.close()
def wait(self):
"""Returns a deferred that resolves when finished writing to file
"""
return make_deferred_yieldable(self._finished_deferred)
def _resume_paused_producer(self):
"""Gets called if we should resume producing after being paused
"""
if self._paused_producer and self._producer:
self._paused_producer = False
self._producer.resumeProducing()

48
synapse/util/logcontext.py
View file

@ -52,13 +52,17 @@ except Exception:
class LoggingContext(object):
"""Additional context for log formatting. Contexts are scoped within a
"with" block.
Args:
name (str): Name for the context for debugging.
"""
__slots__ = [
"previous_context", "name", "usage_start", "usage_end", "main_thread",
"__dict__", "tag", "alive",
"previous_context", "name", "ru_stime", "ru_utime",
"db_txn_count", "db_txn_duration_ms", "db_sched_duration_ms",
"usage_start", "usage_end",
"main_thread", "alive",
"request", "tag",
]
thread_local = threading.local()
@ -83,6 +87,9 @@ class LoggingContext(object):
def add_database_transaction(self, duration_ms):
pass
def add_database_scheduled(self, sched_ms):
pass
def __nonzero__(self):
return False
@ -94,9 +101,17 @@ class LoggingContext(object):
self.ru_stime = 0.
self.ru_utime = 0.
self.db_txn_count = 0
self.db_txn_duration = 0.
# ms spent waiting for db txns, excluding scheduling time
self.db_txn_duration_ms = 0
# ms spent waiting for db txns to be scheduled
self.db_sched_duration_ms = 0
self.usage_start = None
self.usage_end = None
self.main_thread = threading.current_thread()
self.request = None
self.tag = ""
self.alive = True
@ -105,7 +120,11 @@ class LoggingContext(object):
@classmethod
def current_context(cls):
"""Get the current logging context from thread local storage"""
"""Get the current logging context from thread local storage
Returns:
LoggingContext: the current logging context
"""
return getattr(cls.thread_local, "current_context", cls.sentinel)
@classmethod
@ -155,11 +174,13 @@ class LoggingContext(object):
self.alive = False
def copy_to(self, record):
"""Copy fields from this context to the record"""
for key, value in self.__dict__.items():
setattr(record, key, value)
"""Copy logging fields from this context to a log record or
another LoggingContext
"""
record.ru_utime, record.ru_stime = self.get_resource_usage()
# 'request' is the only field we currently use in the logger, so that's
# all we need to copy
record.request = self.request
def start(self):
if threading.current_thread() is not self.main_thread:
@ -194,7 +215,16 @@ class LoggingContext(object):
def add_database_transaction(self, duration_ms):
self.db_txn_count += 1
self.db_txn_duration += duration_ms / 1000.
self.db_txn_duration_ms += duration_ms
def add_database_scheduled(self, sched_ms):
"""Record a use of the database pool
Args:
sched_ms (int): number of milliseconds it took us to get a
connection
"""
self.db_sched_duration_ms += sched_ms
class LoggingContextFilter(logging.Filter):

75
synapse/util/metrics.py
View file

@ -27,25 +27,62 @@ logger = logging.getLogger(__name__)
metrics = synapse.metrics.get_metrics_for(__name__)
block_timer = metrics.register_distribution(
"block_timer",
labels=["block_name"]
# total number of times we have hit this block
block_counter = metrics.register_counter(
"block_count",
labels=["block_name"],
alternative_names=(
# the following are all deprecated aliases for the same metric
metrics.name_prefix + x for x in (
"_block_timer:count",
"_block_ru_utime:count",
"_block_ru_stime:count",
"_block_db_txn_count:count",
"_block_db_txn_duration:count",
)
)
)
block_ru_utime = metrics.register_distribution(
"block_ru_utime", labels=["block_name"]
block_timer = metrics.register_counter(
"block_time_seconds",
labels=["block_name"],
alternative_names=(
metrics.name_prefix + "_block_timer:total",
),
)
block_ru_stime = metrics.register_distribution(
"block_ru_stime", labels=["block_name"]
block_ru_utime = metrics.register_counter(
"block_ru_utime_seconds", labels=["block_name"],
alternative_names=(
metrics.name_prefix + "_block_ru_utime:total",
),
)
block_db_txn_count = metrics.register_distribution(
"block_db_txn_count", labels=["block_name"]
block_ru_stime = metrics.register_counter(
"block_ru_stime_seconds", labels=["block_name"],
alternative_names=(
metrics.name_prefix + "_block_ru_stime:total",
),
)
block_db_txn_duration = metrics.register_distribution(
"block_db_txn_duration", labels=["block_name"]
block_db_txn_count = metrics.register_counter(
"block_db_txn_count", labels=["block_name"],
alternative_names=(
metrics.name_prefix + "_block_db_txn_count:total",
),
)
# seconds spent waiting for db txns, excluding scheduling time, in this block
block_db_txn_duration = metrics.register_counter(
"block_db_txn_duration_seconds", labels=["block_name"],
alternative_names=(
metrics.name_prefix + "_block_db_txn_duration:total",
),
)
# seconds spent waiting for a db connection, in this block
block_db_sched_duration = metrics.register_counter(
"block_db_sched_duration_seconds", labels=["block_name"],
)
@ -64,7 +101,9 @@ def measure_func(name):
class Measure(object):
__slots__ = [
"clock", "name", "start_context", "start", "new_context", "ru_utime",
"ru_stime", "db_txn_count", "db_txn_duration", "created_context"
"ru_stime",
"db_txn_count", "db_txn_duration_ms", "db_sched_duration_ms",
"created_context",
]
def __init__(self, clock, name):
@ -84,13 +123,16 @@ class Measure(object):
self.ru_utime, self.ru_stime = self.start_context.get_resource_usage()
self.db_txn_count = self.start_context.db_txn_count
self.db_txn_duration = self.start_context.db_txn_duration
self.db_txn_duration_ms = self.start_context.db_txn_duration_ms
self.db_sched_duration_ms = self.start_context.db_sched_duration_ms
def __exit__(self, exc_type, exc_val, exc_tb):
if isinstance(exc_type, Exception) or not self.start_context:
return
duration = self.clock.time_msec() - self.start
block_counter.inc(self.name)
block_timer.inc_by(duration, self.name)
context = LoggingContext.current_context()
@ -114,7 +156,12 @@ class Measure(object):
context.db_txn_count - self.db_txn_count, self.name
)
block_db_txn_duration.inc_by(
context.db_txn_duration - self.db_txn_duration, self.name
(context.db_txn_duration_ms - self.db_txn_duration_ms) / 1000.,
self.name
)
block_db_sched_duration.inc_by(
(context.db_sched_duration_ms - self.db_sched_duration_ms) / 1000.,
self.name
)
if self.created_context:

12
synapse/util/retryutils.py
View file

@ -26,6 +26,18 @@ logger = logging.getLogger(__name__)
class NotRetryingDestination(Exception):
def __init__(self, retry_last_ts, retry_interval, destination):
"""Raised by the limiter (and federation client) to indicate that we are
are deliberately not attempting to contact a given server.
Args:
retry_last_ts (int): the unix ts in milliseconds of our last attempt
to contact the server. 0 indicates that the last attempt was
successful or that we've never actually attempted to connect.
retry_interval (int): the time in milliseconds to wait until the next
attempt.
destination (str): the domain in question
"""
msg = "Not retrying server %s." % (destination,)
super(NotRetryingDestination, self).__init__(msg)

48
synapse/util/threepids.py Normal file
View file

@ -0,0 +1,48 @@
# -*- coding: utf-8 -*-
# Copyright 2018 New Vector 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 logging
import re
logger = logging.getLogger(__name__)
def check_3pid_allowed(hs, medium, address):
"""Checks whether a given format of 3PID is allowed to be used on this HS
Args:
hs (synapse.server.HomeServer): server
medium (str): 3pid medium - e.g. email, msisdn
address (str): address within that medium (e.g. "wotan@matrix.org")
msisdns need to first have been canonicalised
Returns:
bool: whether the 3PID medium/address is allowed to be added to this HS
"""
if hs.config.allowed_local_3pids:
for constraint in hs.config.allowed_local_3pids:
logger.debug(
"Checking 3PID %s (%s) against %s (%s)",
address, medium, constraint['pattern'], constraint['medium'],
)
if (
medium == constraint['medium'] and
re.match(constraint['pattern'], address)
):
return True
else:
return True
return False