diff options
Diffstat (limited to 'synapse')
104 files changed, 1984 insertions, 971 deletions
diff --git a/synapse/api/filtering.py b/synapse/api/filtering.py index 2a2c9e6f13..bb33345be6 100644 --- a/synapse/api/filtering.py +++ b/synapse/api/filtering.py @@ -15,10 +15,10 @@ # 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 json from typing import List import jsonschema -from canonicaljson import json from jsonschema import FormatChecker from synapse.api.constants import EventContentFields diff --git a/synapse/api/urls.py b/synapse/api/urls.py index bbfccf955e..6379c86dde 100644 --- a/synapse/api/urls.py +++ b/synapse/api/urls.py @@ -21,6 +21,7 @@ from urllib.parse import urlencode from synapse.config import ConfigError +SYNAPSE_CLIENT_API_PREFIX = "/_synapse/client" CLIENT_API_PREFIX = "/_matrix/client" FEDERATION_PREFIX = "/_matrix/federation" FEDERATION_V1_PREFIX = FEDERATION_PREFIX + "/v1" diff --git a/synapse/app/admin_cmd.py b/synapse/app/admin_cmd.py index b6c9085670..7d309b1bb0 100644 --- a/synapse/app/admin_cmd.py +++ b/synapse/app/admin_cmd.py @@ -14,13 +14,12 @@ # See the License for the specific language governing permissions and # limitations under the License. import argparse +import json import logging import os import sys import tempfile -from canonicaljson import json - from twisted.internet import defer, task import synapse diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py index 6014adc850..b08319ca77 100644 --- a/synapse/app/homeserver.py +++ b/synapse/app/homeserver.py @@ -48,6 +48,7 @@ from synapse.api.urls import ( from synapse.app import _base from synapse.app._base import listen_ssl, listen_tcp, quit_with_error from synapse.config._base import ConfigError +from synapse.config.emailconfig import ThreepidBehaviour from synapse.config.homeserver import HomeServerConfig from synapse.config.server import ListenerConfig from synapse.federation.transport.server import TransportLayerServer @@ -209,6 +210,15 @@ class SynapseHomeServer(HomeServer): resources["/_matrix/saml2"] = SAML2Resource(self) + if self.get_config().threepid_behaviour_email == ThreepidBehaviour.LOCAL: + from synapse.rest.synapse.client.password_reset import ( + PasswordResetSubmitTokenResource, + ) + + resources[ + "/_synapse/client/password_reset/email/submit_token" + ] = PasswordResetSubmitTokenResource(self) + if name == "consent": from synapse.rest.consent.consent_resource import ConsentResource diff --git a/synapse/config/_base.py b/synapse/config/_base.py index ad5ab6ad62..bb9bf8598d 100644 --- a/synapse/config/_base.py +++ b/synapse/config/_base.py @@ -832,11 +832,26 @@ class ShardedWorkerHandlingConfig: def should_handle(self, instance_name: str, key: str) -> bool: """Whether this instance is responsible for handling the given key. """ - - # If multiple instances are not defined we always return true. + # If multiple instances are not defined we always return true if not self.instances or len(self.instances) == 1: return True + return self.get_instance(key) == instance_name + + def get_instance(self, key: str) -> str: + """Get the instance responsible for handling the given key. + + Note: For things like federation sending the config for which instance + is sending is known only to the sender instance if there is only one. + Therefore `should_handle` should be used where possible. + """ + + if not self.instances: + return "master" + + if len(self.instances) == 1: + return self.instances[0] + # We shard by taking the hash, modulo it by the number of instances and # then checking whether this instance matches the instance at that # index. @@ -846,7 +861,7 @@ class ShardedWorkerHandlingConfig: dest_hash = sha256(key.encode("utf8")).digest() dest_int = int.from_bytes(dest_hash, byteorder="little") remainder = dest_int % (len(self.instances)) - return self.instances[remainder] == instance_name + return self.instances[remainder] __all__ = ["Config", "RootConfig", "ShardedWorkerHandlingConfig"] diff --git a/synapse/config/_base.pyi b/synapse/config/_base.pyi index eb911e8f9f..b8faafa9bd 100644 --- a/synapse/config/_base.pyi +++ b/synapse/config/_base.pyi @@ -142,3 +142,4 @@ class ShardedWorkerHandlingConfig: instances: List[str] def __init__(self, instances: List[str]) -> None: ... def should_handle(self, instance_name: str, key: str) -> bool: ... + def get_instance(self, key: str) -> str: ... diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py index 7a796996c0..72b42bfd62 100644 --- a/synapse/config/emailconfig.py +++ b/synapse/config/emailconfig.py @@ -228,6 +228,7 @@ class EmailConfig(Config): self.email_registration_template_text, self.email_add_threepid_template_html, self.email_add_threepid_template_text, + self.email_password_reset_template_confirmation_html, self.email_password_reset_template_failure_html, self.email_registration_template_failure_html, self.email_add_threepid_template_failure_html, @@ -242,6 +243,7 @@ class EmailConfig(Config): registration_template_text, add_threepid_template_html, add_threepid_template_text, + "password_reset_confirmation.html", password_reset_template_failure_html, registration_template_failure_html, add_threepid_template_failure_html, @@ -404,9 +406,13 @@ class EmailConfig(Config): # * The contents of password reset emails sent by the homeserver: # 'password_reset.html' and 'password_reset.txt' # - # * HTML pages for success and failure that a user will see when they follow - # the link in the password reset email: 'password_reset_success.html' and - # 'password_reset_failure.html' + # * An HTML page that a user will see when they follow the link in the password + # reset email. The user will be asked to confirm the action before their + # password is reset: 'password_reset_confirmation.html' + # + # * HTML pages for success and failure that a user will see when they confirm + # the password reset flow using the page above: 'password_reset_success.html' + # and 'password_reset_failure.html' # # * The contents of address verification emails sent during registration: # 'registration.html' and 'registration.txt' diff --git a/synapse/config/logger.py b/synapse/config/logger.py index c96e6ef62a..13d6f6a3ea 100644 --- a/synapse/config/logger.py +++ b/synapse/config/logger.py @@ -17,6 +17,7 @@ import logging import logging.config import os import sys +import threading from string import Template import yaml @@ -25,6 +26,7 @@ from twisted.logger import ( ILogObserver, LogBeginner, STDLibLogObserver, + eventAsText, globalLogBeginner, ) @@ -216,8 +218,9 @@ def _setup_stdlib_logging(config, log_config, logBeginner: LogBeginner): # system. observer = STDLibLogObserver() - def _log(event): + threadlocal = threading.local() + def _log(event): if "log_text" in event: if event["log_text"].startswith("DNSDatagramProtocol starting on "): return @@ -228,7 +231,25 @@ def _setup_stdlib_logging(config, log_config, logBeginner: LogBeginner): if event["log_text"].startswith("Timing out client"): return - return observer(event) + # this is a workaround to make sure we don't get stack overflows when the + # logging system raises an error which is written to stderr which is redirected + # to the logging system, etc. + if getattr(threadlocal, "active", False): + # write the text of the event, if any, to the *real* stderr (which may + # be redirected to /dev/null, but there's not much we can do) + try: + event_text = eventAsText(event) + print("logging during logging: %s" % event_text, file=sys.__stderr__) + except Exception: + # gah. + pass + return + + try: + threadlocal.active = True + return observer(event) + finally: + threadlocal.active = False logBeginner.beginLoggingTo([_log], redirectStandardIO=not config.no_redirect_stdio) if not config.no_redirect_stdio: diff --git a/synapse/config/saml2_config.py b/synapse/config/saml2_config.py index cc7401888b..99aa8b3bf1 100644 --- a/synapse/config/saml2_config.py +++ b/synapse/config/saml2_config.py @@ -169,10 +169,6 @@ class SAML2Config(Config): saml2_config.get("saml_session_lifetime", "15m") ) - self.saml2_error_html_template = self.read_templates( - ["saml_error.html"], saml2_config.get("template_dir") - )[0] - def _default_saml_config_dict( self, required_attributes: set, optional_attributes: set ): @@ -225,11 +221,14 @@ class SAML2Config(Config): # At least one of `sp_config` or `config_path` must be set in this section to # enable SAML login. # - # (You will probably also want to set the following options to `false` to + # You will probably also want to set the following options to `false` to # disable the regular login/registration flows: # * enable_registration # * password_config.enabled # + # You will also want to investigate the settings under the "sso" configuration + # section below. + # # Once SAML support is enabled, a metadata file will be exposed at # https://<server>:<port>/_matrix/saml2/metadata.xml, which you may be able to # use to configure your SAML IdP with. Alternatively, you can manually configure @@ -351,31 +350,6 @@ class SAML2Config(Config): # value: "staff" # - attribute: department # value: "sales" - - # Directory in which Synapse will try to find the template files below. - # If not set, default templates from within the Synapse package will be used. - # - # DO NOT UNCOMMENT THIS SETTING unless you want to customise the templates. - # If you *do* uncomment it, you will need to make sure that all the templates - # below are in the directory. - # - # Synapse will look for the following templates in this directory: - # - # * HTML page to display to users if something goes wrong during the - # authentication process: 'saml_error.html'. - # - # When rendering, this template is given the following variables: - # * code: an HTML error code corresponding to the error that is being - # returned (typically 400 or 500) - # - # * msg: a textual message describing the error. - # - # The variables will automatically be HTML-escaped. - # - # You can see the default templates at: - # https://github.com/matrix-org/synapse/tree/master/synapse/res/templates - # - #template_dir: "res/templates" """ % { "config_dir_path": config_dir_path } diff --git a/synapse/config/server.py b/synapse/config/server.py index e85c6a0840..532b910470 100644 --- a/synapse/config/server.py +++ b/synapse/config/server.py @@ -19,7 +19,7 @@ import logging import os.path import re from textwrap import indent -from typing import Any, Dict, Iterable, List, Optional +from typing import Any, Dict, Iterable, List, Optional, Set import attr import yaml @@ -542,6 +542,19 @@ class ServerConfig(Config): users_new_default_push_rules ) # type: set + # Whitelist of domain names that given next_link parameters must have + next_link_domain_whitelist = config.get( + "next_link_domain_whitelist" + ) # type: Optional[List[str]] + + self.next_link_domain_whitelist = None # type: Optional[Set[str]] + if next_link_domain_whitelist is not None: + if not isinstance(next_link_domain_whitelist, list): + raise ConfigError("'next_link_domain_whitelist' must be a list") + + # Turn the list into a set to improve lookup speed. + self.next_link_domain_whitelist = set(next_link_domain_whitelist) + def has_tls_listener(self) -> bool: return any(listener.tls for listener in self.listeners) @@ -1014,6 +1027,24 @@ class ServerConfig(Config): # act as if no error happened and return a fake session ID ('sid') to clients. # #request_token_inhibit_3pid_errors: true + + # A list of domains that the domain portion of 'next_link' parameters + # must match. + # + # This parameter is optionally provided by clients while requesting + # validation of an email or phone number, and maps to a link that + # users will be automatically redirected to after validation + # succeeds. Clients can make use this parameter to aid the validation + # process. + # + # The whitelist is applied whether the homeserver or an + # identity server is handling validation. + # + # The default value is no whitelist functionality; all domains are + # allowed. Setting this value to an empty list will instead disallow + # all domains. + # + #next_link_domain_whitelist: ["matrix.org"] """ % locals() ) diff --git a/synapse/config/workers.py b/synapse/config/workers.py index c784a71508..f23e42cdf9 100644 --- a/synapse/config/workers.py +++ b/synapse/config/workers.py @@ -13,12 +13,24 @@ # See the License for the specific language governing permissions and # limitations under the License. +from typing import List, Union + import attr from ._base import Config, ConfigError, ShardedWorkerHandlingConfig from .server import ListenerConfig, parse_listener_def +def _instance_to_list_converter(obj: Union[str, List[str]]) -> List[str]: + """Helper for allowing parsing a string or list of strings to a config + option expecting a list of strings. + """ + + if isinstance(obj, str): + return [obj] + return obj + + @attr.s class InstanceLocationConfig: """The host and port to talk to an instance via HTTP replication. @@ -33,11 +45,13 @@ class WriterLocations: """Specifies the instances that write various streams. Attributes: - events: The instance that writes to the event and backfill streams. - events: The instance that writes to the typing stream. + events: The instances that write to the event and backfill streams. + typing: The instance that writes to the typing stream. """ - events = attr.ib(default="master", type=str) + events = attr.ib( + default=["master"], type=List[str], converter=_instance_to_list_converter + ) typing = attr.ib(default="master", type=str) @@ -105,15 +119,18 @@ class WorkerConfig(Config): writers = config.get("stream_writers") or {} self.writers = WriterLocations(**writers) - # Check that the configured writer for events and typing also appears in + # Check that the configured writers for events and typing also appears in # `instance_map`. for stream in ("events", "typing"): - instance = getattr(self.writers, stream) - if instance != "master" and instance not in self.instance_map: - raise ConfigError( - "Instance %r is configured to write %s but does not appear in `instance_map` config." - % (instance, stream) - ) + instances = _instance_to_list_converter(getattr(self.writers, stream)) + for instance in instances: + if instance != "master" and instance not in self.instance_map: + raise ConfigError( + "Instance %r is configured to write %s but does not appear in `instance_map` config." + % (instance, stream) + ) + + self.events_shard_config = ShardedWorkerHandlingConfig(self.writers.events) def generate_config_section(self, config_dir_path, server_name, **kwargs): return """\ diff --git a/synapse/federation/sender/__init__.py b/synapse/federation/sender/__init__.py index 552519e82c..41a726878d 100644 --- a/synapse/federation/sender/__init__.py +++ b/synapse/federation/sender/__init__.py @@ -209,7 +209,7 @@ class FederationSender: logger.debug("Sending %s to %r", event, destinations) if destinations: - self._send_pdu(event, destinations) + await self._send_pdu(event, destinations) now = self.clock.time_msec() ts = await self.store.get_received_ts(event.event_id) @@ -265,7 +265,7 @@ class FederationSender: finally: self._is_processing = False - def _send_pdu(self, pdu: EventBase, destinations: Iterable[str]) -> None: + async def _send_pdu(self, pdu: EventBase, destinations: Iterable[str]) -> None: # We loop through all destinations to see whether we already have # a transaction in progress. If we do, stick it in the pending_pdus # table and we'll get back to it later. @@ -280,6 +280,13 @@ class FederationSender: sent_pdus_destination_dist_total.inc(len(destinations)) sent_pdus_destination_dist_count.inc() + # track the fact that we have a PDU for these destinations, + # to allow us to perform catch-up later on if the remote is unreachable + # for a while. + await self.store.store_destination_rooms_entries( + destinations, pdu.room_id, pdu.internal_metadata.stream_ordering, + ) + for destination in destinations: self._get_per_destination_queue(destination).send_pdu(pdu) diff --git a/synapse/federation/sender/per_destination_queue.py b/synapse/federation/sender/per_destination_queue.py index defc228c23..2657767fd1 100644 --- a/synapse/federation/sender/per_destination_queue.py +++ b/synapse/federation/sender/per_destination_queue.py @@ -15,7 +15,7 @@ # limitations under the License. import datetime import logging -from typing import TYPE_CHECKING, Dict, Hashable, Iterable, List, Tuple +from typing import TYPE_CHECKING, Dict, Hashable, Iterable, List, Optional, Tuple, cast from prometheus_client import Counter @@ -92,6 +92,21 @@ class PerDestinationQueue: self._destination = destination self.transmission_loop_running = False + # True whilst we are sending events that the remote homeserver missed + # because it was unreachable. We start in this state so we can perform + # catch-up at startup. + # New events will only be sent once this is finished, at which point + # _catching_up is flipped to False. + self._catching_up = True # type: bool + + # The stream_ordering of the most recent PDU that was discarded due to + # being in catch-up mode. + self._catchup_last_skipped = 0 # type: int + + # Cache of the last successfully-transmitted stream ordering for this + # destination (we are the only updater so this is safe) + self._last_successful_stream_ordering = None # type: Optional[int] + # a list of pending PDUs self._pending_pdus = [] # type: List[EventBase] @@ -138,7 +153,13 @@ class PerDestinationQueue: Args: pdu: pdu to send """ - self._pending_pdus.append(pdu) + if not self._catching_up or self._last_successful_stream_ordering is None: + # only enqueue the PDU if we are not catching up (False) or do not + # yet know if we have anything to catch up (None) + self._pending_pdus.append(pdu) + else: + self._catchup_last_skipped = pdu.internal_metadata.stream_ordering + self.attempt_new_transaction() def send_presence(self, states: Iterable[UserPresenceState]) -> None: @@ -218,6 +239,13 @@ class PerDestinationQueue: # hence why we throw the result away. await get_retry_limiter(self._destination, self._clock, self._store) + if self._catching_up: + # we potentially need to catch-up first + await self._catch_up_transmission_loop() + if self._catching_up: + # not caught up yet + return + pending_pdus = [] while True: # We have to keep 2 free slots for presence and rr_edus @@ -325,6 +353,17 @@ class PerDestinationQueue: self._last_device_stream_id = device_stream_id self._last_device_list_stream_id = dev_list_id + + if pending_pdus: + # we sent some PDUs and it was successful, so update our + # last_successful_stream_ordering in the destinations table. + final_pdu = pending_pdus[-1] + last_successful_stream_ordering = ( + final_pdu.internal_metadata.stream_ordering + ) + await self._store.set_destination_last_successful_stream_ordering( + self._destination, last_successful_stream_ordering + ) else: break except NotRetryingDestination as e: @@ -340,8 +379,9 @@ class PerDestinationQueue: if e.retry_interval > 60 * 60 * 1000: # we won't retry for another hour! # (this suggests a significant outage) - # We drop pending PDUs and EDUs because otherwise they will + # We drop pending EDUs because otherwise they will # rack up indefinitely. + # (Dropping PDUs is already performed by `_start_catching_up`.) # Note that: # - the EDUs that are being dropped here are those that we can # afford to drop (specifically, only typing notifications, @@ -353,11 +393,12 @@ class PerDestinationQueue: # dropping read receipts is a bit sad but should be solved # through another mechanism, because this is all volatile! - self._pending_pdus = [] self._pending_edus = [] self._pending_edus_keyed = {} self._pending_presence = {} self._pending_rrs = {} + + self._start_catching_up() except FederationDeniedError as e: logger.info(e) except HttpResponseException as e: @@ -367,6 +408,8 @@ class PerDestinationQueue: e.code, e, ) + + self._start_catching_up() except RequestSendFailed as e: logger.warning( "TX [%s] Failed to send transaction: %s", self._destination, e @@ -376,16 +419,96 @@ class PerDestinationQueue: logger.info( "Failed to send event %s to %s", p.event_id, self._destination ) + + self._start_catching_up() except Exception: logger.exception("TX [%s] Failed to send transaction", self._destination) for p in pending_pdus: logger.info( "Failed to send event %s to %s", p.event_id, self._destination ) + + self._start_catching_up() finally: # We want to be *very* sure we clear this after we stop processing self.transmission_loop_running = False + async def _catch_up_transmission_loop(self) -> None: + first_catch_up_check = self._last_successful_stream_ordering is None + + if first_catch_up_check: + # first catchup so get last_successful_stream_ordering from database + self._last_successful_stream_ordering = await self._store.get_destination_last_successful_stream_ordering( + self._destination + ) + + if self._last_successful_stream_ordering is None: + # if it's still None, then this means we don't have the information + # in our database  we haven't successfully sent a PDU to this server + # (at least since the introduction of the feature tracking + # last_successful_stream_ordering). + # Sadly, this means we can't do anything here as we don't know what + # needs catching up — so catching up is futile; let's stop. + self._catching_up = False + return + + # get at most 50 catchup room/PDUs + while True: + event_ids = await self._store.get_catch_up_room_event_ids( + self._destination, self._last_successful_stream_ordering, + ) + + if not event_ids: + # No more events to catch up on, but we can't ignore the chance + # of a race condition, so we check that no new events have been + # skipped due to us being in catch-up mode + + if self._catchup_last_skipped > self._last_successful_stream_ordering: + # another event has been skipped because we were in catch-up mode + continue + + # we are done catching up! + self._catching_up = False + break + + if first_catch_up_check: + # as this is our check for needing catch-up, we may have PDUs in + # the queue from before we *knew* we had to do catch-up, so + # clear those out now. + self._start_catching_up() + + # fetch the relevant events from the event store + # - redacted behaviour of REDACT is fine, since we only send metadata + # of redacted events to the destination. + # - don't need to worry about rejected events as we do not actively + # forward received events over federation. + catchup_pdus = await self._store.get_events_as_list(event_ids) + if not catchup_pdus: + raise AssertionError( + "No events retrieved when we asked for %r. " + "This should not happen." % event_ids + ) + + if logger.isEnabledFor(logging.INFO): + rooms = (p.room_id for p in catchup_pdus) + logger.info("Catching up rooms to %s: %r", self._destination, rooms) + + success = await self._transaction_manager.send_new_transaction( + self._destination, catchup_pdus, [] + ) + + if not success: + return + + sent_transactions_counter.inc() + final_pdu = catchup_pdus[-1] + self._last_successful_stream_ordering = cast( + int, final_pdu.internal_metadata.stream_ordering + ) + await self._store.set_destination_last_successful_stream_ordering( + self._destination, self._last_successful_stream_ordering + ) + def _get_rr_edus(self, force_flush: bool) -> Iterable[Edu]: if not self._pending_rrs: return @@ -446,3 +569,12 @@ class PerDestinationQueue: ] return (edus, stream_id) + + def _start_catching_up(self) -> None: + """ + Marks this destination as being in catch-up mode. + + This throws away the PDU queue. + """ + self._catching_up = True + self._pending_pdus = [] diff --git a/synapse/handlers/acme_issuing_service.py b/synapse/handlers/acme_issuing_service.py index 69650ff221..7294649d71 100644 --- a/synapse/handlers/acme_issuing_service.py +++ b/synapse/handlers/acme_issuing_service.py @@ -76,7 +76,7 @@ def create_issuing_service(reactor, acme_url, account_key_file, well_known_resou ) -@attr.s +@attr.s(slots=True) @implementer(ICertificateStore) class ErsatzStore: """ diff --git a/synapse/handlers/admin.py b/synapse/handlers/admin.py index 918d0e037c..5e5a64037d 100644 --- a/synapse/handlers/admin.py +++ b/synapse/handlers/admin.py @@ -125,8 +125,8 @@ class AdminHandler(BaseHandler): else: stream_ordering = room.stream_ordering - from_key = str(RoomStreamToken(0, 0)) - to_key = str(RoomStreamToken(None, stream_ordering)) + from_key = RoomStreamToken(0, 0) + to_key = RoomStreamToken(None, stream_ordering) written_events = set() # Events that we've processed in this room @@ -153,7 +153,7 @@ class AdminHandler(BaseHandler): if not events: break - from_key = events[-1].internal_metadata.after + from_key = RoomStreamToken.parse(events[-1].internal_metadata.after) events = await filter_events_for_client(self.storage, user_id, events) diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index 90189869cc..4e658d9a48 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -1235,7 +1235,7 @@ class AuthHandler(BaseHandler): return urllib.parse.urlunparse(url_parts) -@attr.s +@attr.s(slots=True) class MacaroonGenerator: hs = attr.ib() diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py index 643d71a710..4b0a4f96cc 100644 --- a/synapse/handlers/device.py +++ b/synapse/handlers/device.py @@ -29,6 +29,7 @@ from synapse.logging.opentracing import log_kv, set_tag, trace from synapse.metrics.background_process_metrics import run_as_background_process from synapse.types import ( RoomStreamToken, + StreamToken, get_domain_from_id, get_verify_key_from_cross_signing_key, ) @@ -104,18 +105,15 @@ class DeviceWorkerHandler(BaseHandler): @trace @measure_func("device.get_user_ids_changed") - async def get_user_ids_changed(self, user_id, from_token): + async def get_user_ids_changed(self, user_id: str, from_token: StreamToken): """Get list of users that have had the devices updated, or have newly joined a room, that `user_id` may be interested in. - - Args: - user_id (str) - from_token (StreamToken) """ set_tag("user_id", user_id) set_tag("from_token", from_token) - now_room_key = await self.store.get_room_events_max_id() + now_room_id = self.store.get_room_max_stream_ordering() + now_room_key = RoomStreamToken(None, now_room_id) room_ids = await self.store.get_rooms_for_user(user_id) @@ -142,7 +140,7 @@ class DeviceWorkerHandler(BaseHandler): ) rooms_changed.update(event.room_id for event in member_events) - stream_ordering = RoomStreamToken.parse_stream_token(from_token.room_key).stream + stream_ordering = from_token.room_key.stream possibly_changed = set(changed) possibly_left = set() diff --git a/synapse/handlers/e2e_keys.py b/synapse/handlers/e2e_keys.py index d629c7c16c..dd40fd1299 100644 --- a/synapse/handlers/e2e_keys.py +++ b/synapse/handlers/e2e_keys.py @@ -1201,7 +1201,7 @@ def _one_time_keys_match(old_key_json, new_key): return old_key == new_key_copy -@attr.s +@attr.s(slots=True) class SignatureListItem: """An item in the signature list as used by upload_signatures_for_device_keys. """ diff --git a/synapse/handlers/events.py b/synapse/handlers/events.py index b05e32f457..fdce54c5c3 100644 --- a/synapse/handlers/events.py +++ b/synapse/handlers/events.py @@ -39,10 +39,6 @@ class EventStreamHandler(BaseHandler): def __init__(self, hs: "HomeServer"): super(EventStreamHandler, self).__init__(hs) - self.distributor = hs.get_distributor() - self.distributor.declare("started_user_eventstream") - self.distributor.declare("stopped_user_eventstream") - self.clock = hs.get_clock() self.notifier = hs.get_notifier() diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 43f2986f89..262901363f 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -69,7 +69,6 @@ from synapse.replication.http.federation import ( ReplicationFederationSendEventsRestServlet, ReplicationStoreRoomOnInviteRestServlet, ) -from synapse.replication.http.membership import ReplicationUserJoinedLeftRoomRestServlet from synapse.state import StateResolutionStore, resolve_events_with_store from synapse.storage.databases.main.events_worker import EventRedactBehaviour from synapse.types import ( @@ -80,7 +79,6 @@ from synapse.types import ( get_domain_from_id, ) from synapse.util.async_helpers import Linearizer, concurrently_execute -from synapse.util.distributor import user_joined_room from synapse.util.retryutils import NotRetryingDestination from synapse.util.stringutils import shortstr from synapse.visibility import filter_events_for_server @@ -88,7 +86,7 @@ from synapse.visibility import filter_events_for_server logger = logging.getLogger(__name__) -@attr.s +@attr.s(slots=True) class _NewEventInfo: """Holds information about a received event, ready for passing to _handle_new_events @@ -130,7 +128,6 @@ class FederationHandler(BaseHandler): self.keyring = hs.get_keyring() self.action_generator = hs.get_action_generator() 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._message_handler = hs.get_message_handler() @@ -141,9 +138,6 @@ class FederationHandler(BaseHandler): self._replication = hs.get_replication_data_handler() self._send_events = ReplicationFederationSendEventsRestServlet.make_client(hs) - self._notify_user_membership_change = ReplicationUserJoinedLeftRoomRestServlet.make_client( - hs - ) self._clean_room_for_join_client = ReplicationCleanRoomRestServlet.make_client( hs ) @@ -704,31 +698,10 @@ class FederationHandler(BaseHandler): logger.debug("[%s %s] Processing event: %s", room_id, event_id, event) try: - context = await self._handle_new_event(origin, event, state=state) + await self._handle_new_event(origin, event, state=state) except AuthError as e: raise FederationError("ERROR", e.code, e.msg, affected=event.event_id) - if event.type == EventTypes.Member: - if event.membership == Membership.JOIN: - # Only fire user_joined_room if the user has acutally - # joined the room. Don't bother if the user is just - # changing their profile info. - newly_joined = True - - prev_state_ids = await context.get_prev_state_ids() - - prev_state_id = prev_state_ids.get((event.type, event.state_key)) - if prev_state_id: - prev_state = await self.store.get_event( - prev_state_id, allow_none=True - ) - if prev_state and prev_state.membership == Membership.JOIN: - newly_joined = False - - if newly_joined: - user = UserID.from_string(event.state_key) - await self.user_joined_room(user, room_id) - # For encrypted messages we check that we know about the sending device, # if we don't then we mark the device cache for that user as stale. if event.type == EventTypes.Encrypted: @@ -923,7 +896,8 @@ class FederationHandler(BaseHandler): ) ) - await self._handle_new_events(dest, ev_infos, backfilled=True) + if ev_infos: + await self._handle_new_events(dest, room_id, ev_infos, backfilled=True) # Step 2: Persist the rest of the events in the chunk one by one events.sort(key=lambda e: e.depth) @@ -1216,7 +1190,7 @@ class FederationHandler(BaseHandler): event_infos.append(_NewEventInfo(event, None, auth)) await self._handle_new_events( - destination, event_infos, + destination, room_id, event_infos, ) def _sanity_check_event(self, ev): @@ -1363,15 +1337,15 @@ class FederationHandler(BaseHandler): ) max_stream_id = await self._persist_auth_tree( - origin, auth_chain, state, event, room_version_obj + origin, room_id, auth_chain, state, event, room_version_obj ) # We wait here until this instance has seen the events come down # replication (if we're using replication) as the below uses caches. - # - # TODO: Currently the events stream is written to from master await self._replication.wait_for_stream_position( - self.config.worker.writers.events, "events", max_stream_id + self.config.worker.events_shard_config.get_instance(room_id), + "events", + max_stream_id, ) # Check whether this room is the result of an upgrade of a room we already know @@ -1550,11 +1524,6 @@ class FederationHandler(BaseHandler): event.signatures, ) - if event.type == EventTypes.Member: - if event.content["membership"] == Membership.JOIN: - user = UserID.from_string(event.state_key) - await self.user_joined_room(user, event.room_id) - prev_state_ids = await context.get_prev_state_ids() state_ids = list(prev_state_ids.values()) @@ -1625,7 +1594,7 @@ class FederationHandler(BaseHandler): ) context = await self.state_handler.compute_event_context(event) - await self.persist_events_and_notify([(event, context)]) + await self.persist_events_and_notify(event.room_id, [(event, context)]) return event @@ -1652,7 +1621,9 @@ class FederationHandler(BaseHandler): await self.federation_client.send_leave(host_list, event) context = await self.state_handler.compute_event_context(event) - stream_id = await self.persist_events_and_notify([(event, context)]) + stream_id = await self.persist_events_and_notify( + event.room_id, [(event, context)] + ) return event, stream_id @@ -1900,7 +1871,7 @@ class FederationHandler(BaseHandler): ) await self.persist_events_and_notify( - [(event, context)], backfilled=backfilled + event.room_id, [(event, context)], backfilled=backfilled ) except Exception: run_in_background( @@ -1913,6 +1884,7 @@ class FederationHandler(BaseHandler): async def _handle_new_events( self, origin: str, + room_id: str, event_infos: Iterable[_NewEventInfo], backfilled: bool = False, ) -> None: @@ -1944,6 +1916,7 @@ class FederationHandler(BaseHandler): ) await self.persist_events_and_notify( + room_id, [ (ev_info.event, context) for ev_info, context in zip(event_infos, contexts) @@ -1954,6 +1927,7 @@ class FederationHandler(BaseHandler): async def _persist_auth_tree( self, origin: str, + room_id: str, auth_events: List[EventBase], state: List[EventBase], event: EventBase, @@ -1968,6 +1942,7 @@ class FederationHandler(BaseHandler): Args: origin: Where the events came from + room_id, auth_events state event @@ -2042,17 +2017,20 @@ class FederationHandler(BaseHandler): events_to_context[e.event_id].rejected = RejectedReason.AUTH_ERROR await self.persist_events_and_notify( + room_id, [ (e, events_to_context[e.event_id]) for e in itertools.chain(auth_events, state) - ] + ], ) new_event_context = await self.state_handler.compute_event_context( event, old_state=state ) - return await self.persist_events_and_notify([(event, new_event_context)]) + return await self.persist_events_and_notify( + room_id, [(event, new_event_context)] + ) async def _prep_event( self, @@ -2903,6 +2881,7 @@ class FederationHandler(BaseHandler): async def persist_events_and_notify( self, + room_id: str, event_and_contexts: Sequence[Tuple[EventBase, EventContext]], backfilled: bool = False, ) -> int: @@ -2910,14 +2889,19 @@ class FederationHandler(BaseHandler): necessary. Args: - event_and_contexts: + room_id: The room ID of events being persisted. + event_and_contexts: Sequence of events with their associated + context that should be persisted. All events must belong to + the same room. backfilled: Whether these events are a result of backfilling or not """ - if self.config.worker.writers.events != self._instance_name: + instance = self.config.worker.events_shard_config.get_instance(room_id) + if instance != self._instance_name: result = await self._send_events( - instance_name=self.config.worker.writers.events, + instance_name=instance, store=self.store, + room_id=room_id, event_and_contexts=event_and_contexts, backfilled=backfilled, ) @@ -2970,8 +2954,6 @@ class FederationHandler(BaseHandler): event, event_stream_id, max_stream_id, extra_users=extra_users ) - await self.pusher_pool.on_new_notifications(event_stream_id, max_stream_id) - async def _clean_room_for_join(self, room_id: str) -> None: """Called to clean up any data in DB for a given room, ready for the server to join the room. @@ -2984,16 +2966,6 @@ class FederationHandler(BaseHandler): else: await self.store.clean_room_for_join(room_id) - async def user_joined_room(self, user: UserID, room_id: str) -> None: - """Called when a new user has joined the room - """ - if self.config.worker_app: - await self._notify_user_membership_change( - room_id=room_id, user_id=user.to_string(), change="joined" - ) - else: - user_joined_room(self.distributor, user, room_id) - async def get_room_complexity( self, remote_room_hosts: List[str], room_id: str ) -> Optional[dict]: diff --git a/synapse/handlers/initial_sync.py b/synapse/handlers/initial_sync.py index d5ddc583ad..ba4828c713 100644 --- a/synapse/handlers/initial_sync.py +++ b/synapse/handlers/initial_sync.py @@ -25,7 +25,7 @@ from synapse.handlers.presence import format_user_presence_state from synapse.logging.context import make_deferred_yieldable, run_in_background from synapse.storage.roommember import RoomsForUser from synapse.streams.config import PaginationConfig -from synapse.types import JsonDict, Requester, StreamToken, UserID +from synapse.types import JsonDict, Requester, RoomStreamToken, StreamToken, UserID from synapse.util import unwrapFirstError from synapse.util.async_helpers import concurrently_execute from synapse.util.caches.response_cache import ResponseCache @@ -116,14 +116,13 @@ class InitialSyncHandler(BaseHandler): now_token = self.hs.get_event_sources().get_current_token() presence_stream = self.hs.get_event_sources().sources["presence"] - pagination_config = PaginationConfig(from_token=now_token) - presence, _ = await presence_stream.get_pagination_rows( - user, pagination_config.get_source_config("presence"), None + presence, _ = await presence_stream.get_new_events( + user, from_key=None, include_offline=False ) - receipt_stream = self.hs.get_event_sources().sources["receipt"] - receipt, _ = await receipt_stream.get_pagination_rows( - user, pagination_config.get_source_config("receipt"), None + joined_rooms = [r.room_id for r in room_list if r.membership == Membership.JOIN] + receipt = await self.store.get_linearized_receipts_for_rooms( + joined_rooms, to_key=int(now_token.receipt_key), ) tags_by_room = await self.store.get_tags_for_user(user_id) @@ -168,7 +167,7 @@ class InitialSyncHandler(BaseHandler): self.state_handler.get_current_state, event.room_id ) elif event.membership == Membership.LEAVE: - room_end_token = "s%d" % (event.stream_ordering,) + room_end_token = RoomStreamToken(None, event.stream_ordering,) deferred_room_state = run_in_background( self.state_store.get_state_for_events, [event.event_id] ) diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 8a7b4916cd..a8fe5cf4e2 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -376,9 +376,8 @@ class EventCreationHandler: self.notifier = hs.get_notifier() self.config = hs.config self.require_membership_for_aliases = hs.config.require_membership_for_aliases - self._is_event_writer = ( - self.config.worker.writers.events == hs.get_instance_name() - ) + self._events_shard_config = self.config.worker.events_shard_config + self._instance_name = hs.get_instance_name() self.room_invite_state_types = self.hs.config.room_invite_state_types @@ -387,8 +386,6 @@ class EventCreationHandler: # 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 = Linearizer(max_count=5, name="room_event_creation_limit") @@ -904,9 +901,10 @@ class EventCreationHandler: try: # If we're a worker we need to hit out to the master. - if not self._is_event_writer: + writer_instance = self._events_shard_config.get_instance(event.room_id) + if writer_instance != self._instance_name: result = await self.send_event( - instance_name=self.config.worker.writers.events, + instance_name=writer_instance, event_id=event.event_id, store=self.store, requester=requester, @@ -974,7 +972,10 @@ class EventCreationHandler: This should only be run on the instance in charge of persisting events. """ - assert self._is_event_writer + assert self.storage.persistence is not None + assert self._events_shard_config.should_handle( + self._instance_name, event.room_id + ) if ratelimit: # We check if this is a room admin redacting an event so that we @@ -1145,8 +1146,6 @@ class EventCreationHandler: # If there's an expiry timestamp on the event, schedule its expiry. self._message_handler.maybe_schedule_expiry(event) - await self.pusher_pool.on_new_notifications(event_stream_id, max_stream_id) - def _notify(): try: self.notifier.on_new_room_event( diff --git a/synapse/handlers/oidc_handler.py b/synapse/handlers/oidc_handler.py index 1b06f3173f..4230dbaf99 100644 --- a/synapse/handlers/oidc_handler.py +++ b/synapse/handlers/oidc_handler.py @@ -131,10 +131,10 @@ class OidcHandler: def _render_error( self, request, error: str, error_description: Optional[str] = None ) -> None: - """Renders the error template and respond with it. + """Render the error template and respond to the request with it. This is used to show errors to the user. The template of this page can - be found under ``synapse/res/templates/sso_error.html``. + be found under `synapse/res/templates/sso_error.html`. Args: request: The incoming request from the browser. diff --git a/synapse/handlers/pagination.py b/synapse/handlers/pagination.py index 34ed0e2921..d929a68f7d 100644 --- a/synapse/handlers/pagination.py +++ b/synapse/handlers/pagination.py @@ -335,20 +335,16 @@ class PaginationHandler: user_id = requester.user.to_string() if pagin_config.from_token: - room_token = pagin_config.from_token.room_key + from_token = pagin_config.from_token else: - pagin_config.from_token = ( - self.hs.get_event_sources().get_current_token_for_pagination() - ) - room_token = pagin_config.from_token.room_key - - room_token = RoomStreamToken.parse(room_token) + from_token = self.hs.get_event_sources().get_current_token_for_pagination() - pagin_config.from_token = pagin_config.from_token.copy_and_replace( - "room_key", str(room_token) - ) + if pagin_config.limit is None: + # This shouldn't happen as we've set a default limit before this + # gets called. + raise Exception("limit not set") - source_config = pagin_config.get_source_config("room") + room_token = from_token.room_key with await self.pagination_lock.read(room_id): ( @@ -358,7 +354,7 @@ class PaginationHandler: room_id, user_id, allow_departed_users=True ) - if source_config.direction == "b": + if pagin_config.direction == "b": # if we're going backwards, we might need to backfill. This # requires that we have a topo token. if room_token.topological: @@ -377,26 +373,35 @@ class PaginationHandler: # case "JOIN" would have been returned. assert member_event_id - leave_token = await self.store.get_topological_token_for_event( + leave_token_str = await self.store.get_topological_token_for_event( member_event_id ) - if RoomStreamToken.parse(leave_token).topological < max_topo: - source_config.from_key = str(leave_token) + leave_token = RoomStreamToken.parse(leave_token_str) + assert leave_token.topological is not None + + if leave_token.topological < max_topo: + from_token = from_token.copy_and_replace( + "room_key", leave_token + ) await self.hs.get_handlers().federation_handler.maybe_backfill( room_id, max_topo ) + to_room_key = None + if pagin_config.to_token: + to_room_key = pagin_config.to_token.room_key + events, next_key = await self.store.paginate_room_events( room_id=room_id, - from_key=source_config.from_key, - to_key=source_config.to_key, - direction=source_config.direction, - limit=source_config.limit, + from_key=from_token.room_key, + to_key=to_room_key, + direction=pagin_config.direction, + limit=pagin_config.limit, event_filter=event_filter, ) - next_token = pagin_config.from_token.copy_and_replace("room_key", next_key) + next_token = from_token.copy_and_replace("room_key", next_key) if events: if event_filter: @@ -409,7 +414,7 @@ class PaginationHandler: if not events: return { "chunk": [], - "start": pagin_config.from_token.to_string(), + "start": from_token.to_string(), "end": next_token.to_string(), } @@ -438,7 +443,7 @@ class PaginationHandler: events, time_now, as_client_event=as_client_event ) ), - "start": pagin_config.from_token.to_string(), + "start": from_token.to_string(), "end": next_token.to_string(), } diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py index 91a3aec1cc..1000ac95ff 100644 --- a/synapse/handlers/presence.py +++ b/synapse/handlers/presence.py @@ -1108,9 +1108,6 @@ class PresenceEventSource: def get_current_key(self): return self.store.get_current_presence_token() - async def get_pagination_rows(self, user, pagination_config, key): - return await self.get_new_events(user, from_key=None, include_offline=False) - @cached(num_args=2, cache_context=True) async def _get_interested_in(self, user, explicit_room_id, cache_context): """Returns the set of users that the given user should see presence diff --git a/synapse/handlers/receipts.py b/synapse/handlers/receipts.py index 2cc6c2eb68..bdd8e52edd 100644 --- a/synapse/handlers/receipts.py +++ b/synapse/handlers/receipts.py @@ -142,18 +142,3 @@ class ReceiptEventSource: def get_current_key(self, direction="f"): return self.store.get_max_receipt_stream_id() - - async def get_pagination_rows(self, user, config, key): - to_key = int(config.from_key) - - if config.to_key: - from_key = int(config.to_key) - else: - from_key = None - - room_ids = await self.store.get_rooms_for_user(user.to_string()) - events = await self.store.get_linearized_receipts_for_rooms( - room_ids, from_key=from_key, to_key=to_key - ) - - return (events, to_key) diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index a29305f655..eeade6ad3f 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -804,7 +804,9 @@ class RoomCreationHandler(BaseHandler): # Always wait for room creation to progate before returning await self._replication.wait_for_stream_position( - self.hs.config.worker.writers.events, "events", last_stream_id + self.hs.config.worker.events_shard_config.get_instance(room_id), + "events", + last_stream_id, ) return result, last_stream_id @@ -1091,20 +1093,19 @@ class RoomEventSource: async def get_new_events( self, user: UserID, - from_key: str, + from_key: RoomStreamToken, limit: int, room_ids: List[str], is_guest: bool, explicit_room_id: Optional[str] = None, - ) -> Tuple[List[EventBase], str]: + ) -> Tuple[List[EventBase], RoomStreamToken]: # We just ignore the key for now. to_key = self.get_current_key() - from_token = RoomStreamToken.parse(from_key) - if from_token.topological: + if from_key.topological: logger.warning("Stream has topological part!!!! %r", from_key) - from_key = "s%s" % (from_token.stream,) + from_key = RoomStreamToken(None, from_key.stream) app_service = self.store.get_app_service_by_user_id(user.to_string()) if app_service: @@ -1133,14 +1134,14 @@ class RoomEventSource: events[:] = events[:limit] if events: - end_key = events[-1].internal_metadata.after + end_key = RoomStreamToken.parse(events[-1].internal_metadata.after) else: end_key = to_key return (events, end_key) - def get_current_key(self) -> str: - return "s%d" % (self.store.get_room_max_stream_ordering(),) + def get_current_key(self) -> RoomStreamToken: + return RoomStreamToken(None, self.store.get_room_max_stream_ordering()) def get_current_key_for_room(self, room_id: str) -> Awaitable[str]: return self.store.get_room_events_max_id(room_id) @@ -1260,10 +1261,10 @@ class RoomShutdownHandler: # We now wait for the create room to come back in via replication so # that we can assume that all the joins/invites have propogated before # we try and auto join below. - # - # TODO: Currently the events stream is written to from master await self._replication.wait_for_stream_position( - self.hs.config.worker.writers.events, "events", stream_id + self.hs.config.worker.events_shard_config.get_instance(new_room_id), + "events", + stream_id, ) else: new_room_id = None @@ -1293,7 +1294,9 @@ class RoomShutdownHandler: # Wait for leave to come in over replication before trying to forget. await self._replication.wait_for_stream_position( - self.hs.config.worker.writers.events, "events", stream_id + self.hs.config.worker.events_shard_config.get_instance(room_id), + "events", + stream_id, ) await self.room_member_handler.forget(target_requester.user, room_id) diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index 32b7e323fa..01a6e88262 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -40,7 +40,7 @@ from synapse.events.validator import EventValidator from synapse.storage.roommember import RoomsForUser from synapse.types import JsonDict, Requester, RoomAlias, RoomID, StateMap, UserID from synapse.util.async_helpers import Linearizer -from synapse.util.distributor import user_joined_room, user_left_room +from synapse.util.distributor import user_left_room from ._base import BaseHandler @@ -82,13 +82,6 @@ class RoomMemberHandler: self._enable_lookup = hs.config.enable_3pid_lookup self.allow_per_room_profiles = self.config.allow_per_room_profiles - self._event_stream_writer_instance = hs.config.worker.writers.events - self._is_on_event_persistence_instance = ( - self._event_stream_writer_instance == hs.get_instance_name() - ) - if self._is_on_event_persistence_instance: - self.persist_event_storage = hs.get_storage().persistence - self._join_rate_limiter_local = Ratelimiter( clock=self.clock, rate_hz=hs.config.ratelimiting.rc_joins_local.per_second, @@ -149,17 +142,6 @@ class RoomMemberHandler: raise NotImplementedError() @abc.abstractmethod - async def _user_joined_room(self, target: UserID, room_id: str) -> None: - """Notifies distributor on master process that the user has joined the - room. - - Args: - target - room_id - """ - raise NotImplementedError() - - @abc.abstractmethod async def _user_left_room(self, target: UserID, room_id: str) -> None: """Notifies distributor on master process that the user has left the room. @@ -221,7 +203,6 @@ class RoomMemberHandler: prev_member_event_id = prev_state_ids.get((EventTypes.Member, user_id), None) - newly_joined = False if event.membership == Membership.JOIN: newly_joined = True if prev_member_event_id: @@ -246,12 +227,7 @@ class RoomMemberHandler: requester, event, context, extra_users=[target], ratelimit=ratelimit, ) - if event.membership == Membership.JOIN and newly_joined: - # Only fire user_joined_room if the user has actually joined the - # room. Don't bother if the user is just changing their profile - # info. - await self._user_joined_room(target, room_id) - elif event.membership == Membership.LEAVE: + if event.membership == Membership.LEAVE: if prev_member_event_id: prev_member_event = await self.store.get_event(prev_member_event_id) if prev_member_event.membership == Membership.JOIN: @@ -726,17 +702,7 @@ class RoomMemberHandler: (EventTypes.Member, event.state_key), None ) - if event.membership == Membership.JOIN: - # Only fire user_joined_room if the user has actually joined the - # room. Don't bother if the user is just changing their profile - # info. - newly_joined = True - if prev_member_event_id: - prev_member_event = await self.store.get_event(prev_member_event_id) - newly_joined = prev_member_event.membership != Membership.JOIN - if newly_joined: - await self._user_joined_room(target_user, room_id) - elif event.membership == Membership.LEAVE: + if event.membership == Membership.LEAVE: if prev_member_event_id: prev_member_event = await self.store.get_event(prev_member_event_id) if prev_member_event.membership == Membership.JOIN: @@ -1002,10 +968,9 @@ class RoomMemberHandler: class RoomMemberMasterHandler(RoomMemberHandler): def __init__(self, hs): - super(RoomMemberMasterHandler, self).__init__(hs) + super().__init__(hs) self.distributor = hs.get_distributor() - self.distributor.declare("user_joined_room") self.distributor.declare("user_left_room") async def _is_remote_room_too_complex( @@ -1085,7 +1050,6 @@ class RoomMemberMasterHandler(RoomMemberHandler): event_id, stream_id = await self.federation_handler.do_invite_join( remote_room_hosts, room_id, user.to_string(), content ) - await self._user_joined_room(user, room_id) # Check the room we just joined wasn't too large, if we didn't fetch the # complexity of it before. @@ -1228,11 +1192,6 @@ class RoomMemberMasterHandler(RoomMemberHandler): ) return event.event_id, stream_id - async def _user_joined_room(self, target: UserID, room_id: str) -> None: - """Implements RoomMemberHandler._user_joined_room - """ - user_joined_room(self.distributor, target, room_id) - async def _user_left_room(self, target: UserID, room_id: str) -> None: """Implements RoomMemberHandler._user_left_room """ diff --git a/synapse/handlers/room_member_worker.py b/synapse/handlers/room_member_worker.py index 897338fd54..e7f34737c6 100644 --- a/synapse/handlers/room_member_worker.py +++ b/synapse/handlers/room_member_worker.py @@ -57,8 +57,6 @@ class RoomMemberWorkerHandler(RoomMemberHandler): content=content, ) - await self._user_joined_room(user, room_id) - return ret["event_id"], ret["stream_id"] async def remote_reject_invite( @@ -81,13 +79,6 @@ class RoomMemberWorkerHandler(RoomMemberHandler): ) return ret["event_id"], ret["stream_id"] - async def _user_joined_room(self, target: UserID, room_id: str) -> None: - """Implements RoomMemberHandler._user_joined_room - """ - await self._notify_change_client( - user_id=target.to_string(), room_id=room_id, change="joined" - ) - async def _user_left_room(self, target: UserID, room_id: str) -> None: """Implements RoomMemberHandler._user_left_room """ diff --git a/synapse/handlers/saml_handler.py b/synapse/handlers/saml_handler.py index 66b063f991..285c481a96 100644 --- a/synapse/handlers/saml_handler.py +++ b/synapse/handlers/saml_handler.py @@ -21,9 +21,10 @@ import saml2 import saml2.response from saml2.client import Saml2Client -from synapse.api.errors import AuthError, SynapseError +from synapse.api.errors import SynapseError from synapse.config import ConfigError from synapse.config.saml2_config import SamlAttributeRequirement +from synapse.http.server import respond_with_html from synapse.http.servlet import parse_string from synapse.http.site import SynapseRequest from synapse.module_api import ModuleApi @@ -41,7 +42,11 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) -@attr.s +class MappingException(Exception): + """Used to catch errors when mapping the SAML2 response to a user.""" + + +@attr.s(slots=True) class Saml2SessionData: """Data we track about SAML2 sessions""" @@ -68,6 +73,7 @@ class SamlHandler: hs.config.saml2_grandfathered_mxid_source_attribute ) self._saml2_attribute_requirements = hs.config.saml2.attribute_requirements + self._error_template = hs.config.sso_error_template # plugin to do custom mapping from saml response to mxid self._user_mapping_provider = hs.config.saml2_user_mapping_provider_class( @@ -84,6 +90,25 @@ class SamlHandler: # a lock on the mappings self._mapping_lock = Linearizer(name="saml_mapping", clock=self._clock) + def _render_error( + self, request, error: str, error_description: Optional[str] = None + ) -> None: + """Render the error template and respond to the request with it. + + This is used to show errors to the user. The template of this page can + be found under `synapse/res/templates/sso_error.html`. + + Args: + request: The incoming request from the browser. + We'll respond with an HTML page describing the error. + error: A technical identifier for this error. + error_description: A human-readable description of the error. + """ + html = self._error_template.render( + error=error, error_description=error_description + ) + respond_with_html(request, 400, html) + def handle_redirect_request( self, client_redirect_url: bytes, ui_auth_session_id: Optional[str] = None ) -> bytes: @@ -134,49 +159,6 @@ class SamlHandler: # the dict. self.expire_sessions() - # Pull out the user-agent and IP from the request. - user_agent = request.requestHeaders.getRawHeaders(b"User-Agent", default=[b""])[ - 0 - ].decode("ascii", "surrogateescape") - ip_address = self.hs.get_ip_from_request(request) - - user_id, current_session = await self._map_saml_response_to_user( - resp_bytes, relay_state, user_agent, ip_address - ) - - # Complete the interactive auth session or the login. - if current_session and current_session.ui_auth_session_id: - await self._auth_handler.complete_sso_ui_auth( - user_id, current_session.ui_auth_session_id, request - ) - - else: - await self._auth_handler.complete_sso_login(user_id, request, relay_state) - - async def _map_saml_response_to_user( - self, - resp_bytes: str, - client_redirect_url: str, - user_agent: str, - ip_address: str, - ) -> Tuple[str, Optional[Saml2SessionData]]: - """ - Given a sample response, retrieve the cached session and user for it. - - Args: - resp_bytes: The SAML response. - client_redirect_url: The redirect URL passed in by the client. - user_agent: The user agent of the client making the request. - ip_address: The IP address of the client making the request. - - Returns: - Tuple of the user ID and SAML session associated with this response. - - Raises: - SynapseError if there was a problem with the response. - RedirectException: some mapping providers may raise this if they need - to redirect to an interstitial page. - """ try: saml2_auth = self._saml_client.parse_authn_request_response( resp_bytes, @@ -189,12 +171,23 @@ class SamlHandler: # in the (user-visible) exception message, so let's log the exception here # so we can track down the session IDs later. logger.warning(str(e)) - raise SynapseError(400, "Unexpected SAML2 login.") + self._render_error( + request, "unsolicited_response", "Unexpected SAML2 login." + ) + return except Exception as e: - raise SynapseError(400, "Unable to parse SAML2 response: %s." % (e,)) + self._render_error( + request, + "invalid_response", + "Unable to parse SAML2 response: %s." % (e,), + ) + return if saml2_auth.not_signed: - raise SynapseError(400, "SAML2 response was not signed.") + self._render_error( + request, "unsigned_respond", "SAML2 response was not signed." + ) + return logger.debug("SAML2 response: %s", saml2_auth.origxml) for assertion in saml2_auth.assertions: @@ -213,15 +206,73 @@ class SamlHandler: saml2_auth.in_response_to, None ) + # Ensure that the attributes of the logged in user meet the required + # attributes. for requirement in self._saml2_attribute_requirements: - _check_attribute_requirement(saml2_auth.ava, requirement) + if not _check_attribute_requirement(saml2_auth.ava, requirement): + self._render_error( + request, "unauthorised", "You are not authorised to log in here." + ) + return + + # Pull out the user-agent and IP from the request. + user_agent = request.requestHeaders.getRawHeaders(b"User-Agent", default=[b""])[ + 0 + ].decode("ascii", "surrogateescape") + ip_address = self.hs.get_ip_from_request(request) + + # Call the mapper to register/login the user + try: + user_id = await self._map_saml_response_to_user( + saml2_auth, relay_state, user_agent, ip_address + ) + except MappingException as e: + logger.exception("Could not map user") + self._render_error(request, "mapping_error", str(e)) + return + + # Complete the interactive auth session or the login. + if current_session and current_session.ui_auth_session_id: + await self._auth_handler.complete_sso_ui_auth( + user_id, current_session.ui_auth_session_id, request + ) + + else: + await self._auth_handler.complete_sso_login(user_id, request, relay_state) + + async def _map_saml_response_to_user( + self, + saml2_auth: saml2.response.AuthnResponse, + client_redirect_url: str, + user_agent: str, + ip_address: str, + ) -> str: + """ + Given a SAML response, retrieve the user ID for it and possibly register the user. + + Args: + saml2_auth: The parsed SAML2 response. + client_redirect_url: The redirect URL passed in by the client. + user_agent: The user agent of the client making the request. + ip_address: The IP address of the client making the request. + + Returns: + The user ID associated with this response. + + Raises: + MappingException if there was a problem mapping the response to a user. + RedirectException: some mapping providers may raise this if they need + to redirect to an interstitial page. + """ remote_user_id = self._user_mapping_provider.get_remote_user_id( saml2_auth, client_redirect_url ) if not remote_user_id: - raise Exception("Failed to extract remote user id from SAML response") + raise MappingException( + "Failed to extract remote user id from SAML response" + ) with (await self._mapping_lock.queue(self._auth_provider_id)): # first of all, check if we already have a mapping for this user @@ -235,7 +286,7 @@ class SamlHandler: ) if registered_user_id is not None: logger.info("Found existing mapping %s", registered_user_id) - return registered_user_id, current_session + return registered_user_id # backwards-compatibility hack: see if there is an existing user with a # suitable mapping from the uid @@ -260,7 +311,7 @@ class SamlHandler: await self._datastore.record_user_external_id( self._auth_provider_id, remote_user_id, registered_user_id ) - return registered_user_id, current_session + return registered_user_id # Map saml response to user attributes using the configured mapping provider for i in range(1000): @@ -277,7 +328,7 @@ class SamlHandler: localpart = attribute_dict.get("mxid_localpart") if not localpart: - raise Exception( + raise MappingException( "Error parsing SAML2 response: SAML mapping provider plugin " "did not return a mxid_localpart value" ) @@ -294,8 +345,8 @@ class SamlHandler: else: # Unable to generate a username in 1000 iterations # Break and return error to the user - raise SynapseError( - 500, "Unable to generate a Matrix ID from the SAML response" + raise MappingException( + "Unable to generate a Matrix ID from the SAML response" ) logger.info("Mapped SAML user to local part %s", localpart) @@ -310,7 +361,7 @@ class SamlHandler: await self._datastore.record_user_external_id( self._auth_provider_id, remote_user_id, registered_user_id ) - return registered_user_id, current_session + return registered_user_id def expire_sessions(self): expire_before = self._clock.time_msec() - self._saml2_session_lifetime @@ -323,11 +374,11 @@ class SamlHandler: del self._outstanding_requests_dict[reqid] -def _check_attribute_requirement(ava: dict, req: SamlAttributeRequirement): +def _check_attribute_requirement(ava: dict, req: SamlAttributeRequirement) -> bool: values = ava.get(req.attribute, []) for v in values: if v == req.value: - return + return True logger.info( "SAML2 attribute %s did not match required value '%s' (was '%s')", @@ -335,7 +386,7 @@ def _check_attribute_requirement(ava: dict, req: SamlAttributeRequirement): req.value, values, ) - raise AuthError(403, "You are not authorized to log in here.") + return False DOT_REPLACE_PATTERN = re.compile( @@ -390,7 +441,7 @@ class DefaultSamlMappingProvider: return saml_response.ava["uid"][0] except KeyError: logger.warning("SAML2 response lacks a 'uid' attestation") - raise SynapseError(400, "'uid' not in SAML2 response") + raise MappingException("'uid' not in SAML2 response") def saml_response_to_user_attributes( self, diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index e2ddb628ff..9b3a4f638b 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -89,14 +89,12 @@ class TimelineBatch: events = attr.ib(type=List[EventBase]) limited = attr.ib(bool) - def __nonzero__(self) -> bool: + def __bool__(self) -> bool: """Make the result appear empty if there are no updates. This is used to tell if room needs to be part of the sync result. """ return bool(self.events) - __bool__ = __nonzero__ # python3 - # We can't freeze this class, because we need to update it after it's instantiated to # update its unread count. This is because we calculate the unread count for a room only @@ -114,7 +112,7 @@ class JoinedSyncResult: summary = attr.ib(type=Optional[JsonDict]) unread_count = attr.ib(type=int) - def __nonzero__(self) -> bool: + def __bool__(self) -> bool: """Make the result appear empty if there are no updates. This is used to tell if room needs to be part of the sync result. """ @@ -127,8 +125,6 @@ class JoinedSyncResult: # else in the result, we don't need to send it. ) - __bool__ = __nonzero__ # python3 - @attr.s(slots=True, frozen=True) class ArchivedSyncResult: @@ -137,26 +133,22 @@ class ArchivedSyncResult: state = attr.ib(type=StateMap[EventBase]) account_data = attr.ib(type=List[JsonDict]) - def __nonzero__(self) -> bool: + def __bool__(self) -> bool: """Make the result appear empty if there are no updates. This is used to tell if room needs to be part of the sync result. """ return bool(self.timeline or self.state or self.account_data) - __bool__ = __nonzero__ # python3 - @attr.s(slots=True, frozen=True) class InvitedSyncResult: room_id = attr.ib(type=str) invite = attr.ib(type=EventBase) - def __nonzero__(self) -> bool: + def __bool__(self) -> bool: """Invited rooms should always be reported to the client""" return True - __bool__ = __nonzero__ # python3 - @attr.s(slots=True, frozen=True) class GroupsSyncResult: @@ -164,11 +156,9 @@ class GroupsSyncResult: invite = attr.ib(type=JsonDict) leave = attr.ib(type=JsonDict) - def __nonzero__(self) -> bool: + def __bool__(self) -> bool: return bool(self.join or self.invite or self.leave) - __bool__ = __nonzero__ # python3 - @attr.s(slots=True, frozen=True) class DeviceLists: @@ -181,13 +171,11 @@ class DeviceLists: changed = attr.ib(type=Collection[str]) left = attr.ib(type=Collection[str]) - def __nonzero__(self) -> bool: + def __bool__(self) -> bool: return bool(self.changed or self.left) - __bool__ = __nonzero__ # python3 - -@attr.s +@attr.s(slots=True) class _RoomChanges: """The set of room entries to include in the sync, plus the set of joined and left room IDs since last sync. @@ -227,7 +215,7 @@ class SyncResult: device_one_time_keys_count = attr.ib(type=JsonDict) groups = attr.ib(type=Optional[GroupsSyncResult]) - def __nonzero__(self) -> bool: + def __bool__(self) -> bool: """Make the result appear empty if there are no updates. This is used to tell if the notifier needs to wait for more events when polling for events. @@ -243,8 +231,6 @@ class SyncResult: or self.groups ) - __bool__ = __nonzero__ # python3 - class SyncHandler: def __init__(self, hs: "HomeServer"): @@ -378,7 +364,7 @@ class SyncHandler: sync_config = sync_result_builder.sync_config with Measure(self.clock, "ephemeral_by_room"): - typing_key = since_token.typing_key if since_token else "0" + typing_key = since_token.typing_key if since_token else 0 room_ids = sync_result_builder.joined_room_ids @@ -402,7 +388,7 @@ class SyncHandler: event_copy = {k: v for (k, v) in event.items() if k != "room_id"} ephemeral_by_room.setdefault(room_id, []).append(event_copy) - receipt_key = since_token.receipt_key if since_token else "0" + receipt_key = since_token.receipt_key if since_token else 0 receipt_source = self.event_sources.sources["receipt"] receipts, receipt_key = await receipt_source.get_new_events( @@ -533,7 +519,7 @@ class SyncHandler: if len(recents) > timeline_limit: limited = True recents = recents[-timeline_limit:] - room_key = recents[0].internal_metadata.before + room_key = RoomStreamToken.parse(recents[0].internal_metadata.before) prev_batch_token = now_token.copy_and_replace("room_key", room_key) @@ -1310,12 +1296,11 @@ class SyncHandler: presence_source = self.event_sources.sources["presence"] since_token = sync_result_builder.since_token + presence_key = None + include_offline = False if since_token and not sync_result_builder.full_state: presence_key = since_token.presence_key include_offline = True - else: - presence_key = None - include_offline = False presence, presence_key = await presence_source.get_new_events( user=user, @@ -1323,6 +1308,7 @@ class SyncHandler: is_guest=sync_config.is_guest, include_offline=include_offline, ) + assert presence_key sync_result_builder.now_token = now_token.copy_and_replace( "presence_key", presence_key ) @@ -1485,7 +1471,7 @@ class SyncHandler: if rooms_changed: return True - stream_id = RoomStreamToken.parse_stream_token(since_token.room_key).stream + stream_id = since_token.room_key.stream for room_id in sync_result_builder.joined_room_ids: if self.store.has_room_changed_since(room_id, stream_id): return True @@ -1751,7 +1737,7 @@ class SyncHandler: continue leave_token = now_token.copy_and_replace( - "room_key", "s%d" % (event.stream_ordering,) + "room_key", RoomStreamToken(None, event.stream_ordering) ) room_entries.append( RoomSyncResultBuilder( @@ -2038,7 +2024,7 @@ def _calculate_state( return {event_id_to_key[e]: e for e in state_ids} -@attr.s +@attr.s(slots=True) class SyncResultBuilder: """Used to help build up a new SyncResult for a user @@ -2074,7 +2060,7 @@ class SyncResultBuilder: to_device = attr.ib(type=List[JsonDict], default=attr.Factory(list)) -@attr.s +@attr.s(slots=True) class RoomSyncResultBuilder: """Stores information needed to create either a `JoinedSyncResult` or `ArchivedSyncResult`. diff --git a/synapse/http/federation/well_known_resolver.py b/synapse/http/federation/well_known_resolver.py index e6f067ca29..a306faa267 100644 --- a/synapse/http/federation/well_known_resolver.py +++ b/synapse/http/federation/well_known_resolver.py @@ -311,7 +311,7 @@ def _parse_cache_control(headers: Headers) -> Dict[bytes, Optional[bytes]]: return cache_controls -@attr.s() +@attr.s(slots=True) class _FetchWellKnownFailure(Exception): # True if we didn't get a non-5xx HTTP response, i.e. this may or may not be # a temporary failure. diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py index 5eaf3151ce..3c86cbc546 100644 --- a/synapse/http/matrixfederationclient.py +++ b/synapse/http/matrixfederationclient.py @@ -76,7 +76,7 @@ MAXINT = sys.maxsize _next_id = 1 -@attr.s(frozen=True) +@attr.s(slots=True, frozen=True) class MatrixFederationRequest: method = attr.ib() """HTTP method diff --git a/synapse/logging/context.py b/synapse/logging/context.py index 22598e02d2..2e282d9d67 100644 --- a/synapse/logging/context.py +++ b/synapse/logging/context.py @@ -217,11 +217,9 @@ class _Sentinel: def record_event_fetch(self, event_count): pass - def __nonzero__(self): + def __bool__(self): return False - __bool__ = __nonzero__ # python3 - SENTINEL_CONTEXT = _Sentinel() diff --git a/synapse/logging/opentracing.py b/synapse/logging/opentracing.py index 7df0aa197d..e58850faff 100644 --- a/synapse/logging/opentracing.py +++ b/synapse/logging/opentracing.py @@ -509,7 +509,7 @@ def start_active_span_from_edu( ] # For some reason jaeger decided not to support the visualization of multiple parent - # spans or explicitely show references. I include the span context as a tag here as + # spans or explicitly show references. I include the span context as a tag here as # an aid to people debugging but it's really not an ideal solution. references += _references diff --git a/synapse/logging/utils.py b/synapse/logging/utils.py index fea774e2e5..becf66dd86 100644 --- a/synapse/logging/utils.py +++ b/synapse/logging/utils.py @@ -29,11 +29,11 @@ def _log_debug_as_f(f, msg, msg_args): lineno = f.__code__.co_firstlineno pathname = f.__code__.co_filename - record = logging.LogRecord( + record = logger.makeRecord( name=name, level=logging.DEBUG, - pathname=pathname, - lineno=lineno, + fn=pathname, + lno=lineno, msg=msg, args=msg_args, exc_info=None, diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py index 2643380d9e..a1f7ca3449 100644 --- a/synapse/metrics/__init__.py +++ b/synapse/metrics/__init__.py @@ -59,7 +59,7 @@ class RegistryProxy: yield metric -@attr.s(hash=True) +@attr.s(slots=True, hash=True) class LaterGauge: name = attr.ib(type=str) @@ -205,7 +205,7 @@ class InFlightGauge: all_gauges[self.name] = self -@attr.s(hash=True) +@attr.s(slots=True, hash=True) class BucketCollector: """ Like a Histogram, but allows buckets to be point-in-time instead of diff --git a/synapse/notifier.py b/synapse/notifier.py index b7f4041306..a8fd3ef886 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -42,7 +42,7 @@ from synapse.logging.utils import log_function from synapse.metrics import LaterGauge from synapse.metrics.background_process_metrics import run_as_background_process from synapse.streams.config import PaginationConfig -from synapse.types import Collection, StreamToken, UserID +from synapse.types import Collection, RoomStreamToken, StreamToken, UserID from synapse.util.async_helpers import ObservableDeferred, timeout_deferred from synapse.util.metrics import Measure from synapse.visibility import filter_events_for_client @@ -112,7 +112,9 @@ class _NotifierUserStream: with PreserveLoggingContext(): self.notify_deferred = ObservableDeferred(defer.Deferred()) - def notify(self, stream_key: str, stream_id: int, time_now_ms: int): + def notify( + self, stream_key: str, stream_id: Union[int, RoomStreamToken], time_now_ms: int, + ): """Notify any listeners for this user of a new event from an event source. Args: @@ -162,11 +164,9 @@ class _NotifierUserStream: class EventStreamResult(namedtuple("EventStreamResult", ("events", "tokens"))): - def __nonzero__(self): + def __bool__(self): return bool(self.events) - __bool__ = __nonzero__ # python3 - class Notifier: """ This class is responsible for notifying any listeners when there are @@ -187,7 +187,7 @@ class Notifier: self.store = hs.get_datastore() self.pending_new_room_events = ( [] - ) # type: List[Tuple[int, EventBase, Collection[Union[str, UserID]]]] + ) # type: List[Tuple[int, EventBase, Collection[UserID]]] # Called when there are new things to stream over replication self.replication_callbacks = [] # type: List[Callable[[], None]] @@ -198,6 +198,7 @@ class Notifier: self.clock = hs.get_clock() self.appservice_handler = hs.get_application_service_handler() + self._pusher_pool = hs.get_pusherpool() self.federation_sender = None if hs.should_send_federation(): @@ -247,7 +248,7 @@ class Notifier: event: EventBase, room_stream_id: int, max_room_stream_id: int, - extra_users: Collection[Union[str, UserID]] = [], + extra_users: Collection[UserID] = [], ): """ Used by handlers to inform the notifier something has happened in the room, room event wise. @@ -274,47 +275,68 @@ class Notifier: """ pending = self.pending_new_room_events self.pending_new_room_events = [] + + users = set() # type: Set[UserID] + rooms = set() # type: Set[str] + for room_stream_id, event, extra_users in pending: if room_stream_id > max_room_stream_id: self.pending_new_room_events.append( (room_stream_id, event, extra_users) ) else: - self._on_new_room_event(event, room_stream_id, extra_users) + if ( + event.type == EventTypes.Member + and event.membership == Membership.JOIN + ): + self._user_joined_room(event.state_key, event.room_id) + + users.update(extra_users) + rooms.add(event.room_id) + + if users or rooms: + self.on_new_event( + "room_key", + RoomStreamToken(None, max_room_stream_id), + users=users, + rooms=rooms, + ) + self._on_updated_room_token(max_room_stream_id) + + def _on_updated_room_token(self, max_room_stream_id: int): + """Poke services that might care that the room position has been + updated. + """ - def _on_new_room_event( - self, - event: EventBase, - room_stream_id: int, - extra_users: Collection[Union[str, UserID]] = [], - ): - """Notify any user streams that are interested in this room event""" # poke any interested application service. run_as_background_process( - "notify_app_services", self._notify_app_services, room_stream_id + "_notify_app_services", self._notify_app_services, max_room_stream_id ) - if self.federation_sender: - self.federation_sender.notify_new_events(room_stream_id) - - if event.type == EventTypes.Member and event.membership == Membership.JOIN: - self._user_joined_room(event.state_key, event.room_id) - - self.on_new_event( - "room_key", room_stream_id, users=extra_users, rooms=[event.room_id] + run_as_background_process( + "_notify_pusher_pool", self._notify_pusher_pool, max_room_stream_id ) - async def _notify_app_services(self, room_stream_id: int): + if self.federation_sender: + self.federation_sender.notify_new_events(max_room_stream_id) + + async def _notify_app_services(self, max_room_stream_id: int): try: - await self.appservice_handler.notify_interested_services(room_stream_id) + await self.appservice_handler.notify_interested_services(max_room_stream_id) except Exception: logger.exception("Error notifying application services of event") + async def _notify_pusher_pool(self, max_room_stream_id: int): + try: + await self._pusher_pool.on_new_notifications(max_room_stream_id) + except Exception: + logger.exception("Error pusher pool of event") + def on_new_event( self, stream_key: str, - new_token: int, - users: Collection[Union[str, UserID]] = [], + new_token: Union[int, RoomStreamToken], + users: Collection[UserID] = [], rooms: Collection[str] = [], ): """ Used to inform listeners that something has happened event wise. @@ -432,8 +454,9 @@ class Notifier: If explicit_room_id is set, that room will be polled for events only if it is world readable or the user has joined the room. """ - from_token = pagination_config.from_token - if not from_token: + if pagination_config.from_token: + from_token = pagination_config.from_token + else: from_token = self.event_sources.get_current_token() limit = pagination_config.limit diff --git a/synapse/push/emailpusher.py b/synapse/push/emailpusher.py index b7ea4438e0..28bd8ab748 100644 --- a/synapse/push/emailpusher.py +++ b/synapse/push/emailpusher.py @@ -91,7 +91,7 @@ class EmailPusher: pass self.timed_call = None - def on_new_notifications(self, min_stream_ordering, max_stream_ordering): + def on_new_notifications(self, max_stream_ordering): if self.max_stream_ordering: self.max_stream_ordering = max( max_stream_ordering, self.max_stream_ordering diff --git a/synapse/push/httppusher.py b/synapse/push/httppusher.py index f21fa9b659..26706bf3e1 100644 --- a/synapse/push/httppusher.py +++ b/synapse/push/httppusher.py @@ -114,7 +114,7 @@ class HttpPusher: if should_check_for_notifs: self._start_processing() - def on_new_notifications(self, min_stream_ordering, max_stream_ordering): + def on_new_notifications(self, max_stream_ordering): self.max_stream_ordering = max( max_stream_ordering, self.max_stream_ordering or 0 ) diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py index 6c57854018..455a1acb46 100644 --- a/synapse/push/mailer.py +++ b/synapse/push/mailer.py @@ -123,7 +123,7 @@ class Mailer: params = {"token": token, "client_secret": client_secret, "sid": sid} link = ( self.hs.config.public_baseurl - + "_matrix/client/unstable/password_reset/email/submit_token?%s" + + "_synapse/client/password_reset/email/submit_token?%s" % urllib.parse.urlencode(params) ) diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py index 3c3262a88c..cc839ffce4 100644 --- a/synapse/push/pusherpool.py +++ b/synapse/push/pusherpool.py @@ -64,6 +64,12 @@ class PusherPool: self._pusher_shard_config = hs.config.push.pusher_shard_config self._instance_name = hs.get_instance_name() + # Record the last stream ID that we were poked about so we can get + # changes since then. We set this to the current max stream ID on + # startup as every individual pusher will have checked for changes on + # startup. + self._last_room_stream_id_seen = self.store.get_room_max_stream_ordering() + # map from user id to app_id:pushkey to pusher self.pushers = {} # type: Dict[str, Dict[str, Union[HttpPusher, EmailPusher]]] @@ -178,20 +184,27 @@ class PusherPool: ) await self.remove_pusher(p["app_id"], p["pushkey"], p["user_name"]) - async def on_new_notifications(self, min_stream_id, max_stream_id): + async def on_new_notifications(self, max_stream_id: int): if not self.pushers: # nothing to do here. return + if max_stream_id < self._last_room_stream_id_seen: + # Nothing to do + return + + prev_stream_id = self._last_room_stream_id_seen + self._last_room_stream_id_seen = max_stream_id + try: users_affected = await self.store.get_push_action_users_in_range( - min_stream_id, max_stream_id + prev_stream_id, max_stream_id ) for u in users_affected: if u in self.pushers: for p in self.pushers[u].values(): - p.on_new_notifications(min_stream_id, max_stream_id) + p.on_new_notifications(max_stream_id) except Exception: logger.exception("Exception in pusher on_new_notifications") diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py index 2d995ec456..ff0c67228b 100644 --- a/synapse/python_dependencies.py +++ b/synapse/python_dependencies.py @@ -43,7 +43,7 @@ REQUIREMENTS = [ "jsonschema>=2.5.1", "frozendict>=1", "unpaddedbase64>=1.1.0", - "canonicaljson>=1.3.0", + "canonicaljson>=1.4.0", # we use the type definitions added in signedjson 1.1. "signedjson>=1.1.0", "pynacl>=1.2.1", diff --git a/synapse/replication/http/federation.py b/synapse/replication/http/federation.py index 6b56315148..5c8be747e1 100644 --- a/synapse/replication/http/federation.py +++ b/synapse/replication/http/federation.py @@ -65,10 +65,11 @@ class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint): self.federation_handler = hs.get_handlers().federation_handler @staticmethod - async def _serialize_payload(store, event_and_contexts, backfilled): + async def _serialize_payload(store, room_id, event_and_contexts, backfilled): """ Args: store + room_id (str) event_and_contexts (list[tuple[FrozenEvent, EventContext]]) backfilled (bool): Whether or not the events are the result of backfilling @@ -88,7 +89,11 @@ class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint): } ) - payload = {"events": event_payloads, "backfilled": backfilled} + payload = { + "events": event_payloads, + "backfilled": backfilled, + "room_id": room_id, + } return payload @@ -96,6 +101,7 @@ class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint): with Measure(self.clock, "repl_fed_send_events_parse"): content = parse_json_object_from_request(request) + room_id = content["room_id"] backfilled = content["backfilled"] event_payloads = content["events"] @@ -120,7 +126,7 @@ class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint): logger.info("Got %d events from federation", len(event_and_contexts)) max_stream_id = await self.federation_handler.persist_events_and_notify( - event_and_contexts, backfilled + room_id, event_and_contexts, backfilled ) return 200, {"max_stream_id": max_stream_id} diff --git a/synapse/replication/http/membership.py b/synapse/replication/http/membership.py index 741329ab5f..08095fdf7d 100644 --- a/synapse/replication/http/membership.py +++ b/synapse/replication/http/membership.py @@ -19,7 +19,7 @@ from typing import TYPE_CHECKING, Optional from synapse.http.servlet import parse_json_object_from_request from synapse.replication.http._base import ReplicationEndpoint from synapse.types import JsonDict, Requester, UserID -from synapse.util.distributor import user_joined_room, user_left_room +from synapse.util.distributor import user_left_room if TYPE_CHECKING: from synapse.server import HomeServer @@ -181,9 +181,9 @@ class ReplicationUserJoinedLeftRoomRestServlet(ReplicationEndpoint): Args: room_id (str) user_id (str) - change (str): Either "joined" or "left" + change (str): "left" """ - assert change in ("joined", "left") + assert change == "left" return {} @@ -192,9 +192,7 @@ class ReplicationUserJoinedLeftRoomRestServlet(ReplicationEndpoint): user = UserID.from_string(user_id) - if change == "joined": - user_joined_room(self.distributor, user, room_id) - elif change == "left": + if change == "left": user_left_room(self.distributor, user, room_id) else: raise Exception("Unrecognized change: %r", change) diff --git a/synapse/replication/tcp/client.py b/synapse/replication/tcp/client.py index d6ecf5b327..e82b9e386f 100644 --- a/synapse/replication/tcp/client.py +++ b/synapse/replication/tcp/client.py @@ -29,6 +29,7 @@ from synapse.replication.tcp.streams.events import ( EventsStreamEventRow, EventsStreamRow, ) +from synapse.types import UserID from synapse.util.async_helpers import timeout_deferred from synapse.util.metrics import Measure @@ -98,7 +99,6 @@ class ReplicationDataHandler: def __init__(self, hs: "HomeServer"): self.store = hs.get_datastore() - self.pusher_pool = hs.get_pusherpool() self.notifier = hs.get_notifier() self._reactor = hs.get_reactor() self._clock = hs.get_clock() @@ -148,14 +148,12 @@ class ReplicationDataHandler: if event.rejected_reason: continue - extra_users = () # type: Tuple[str, ...] + extra_users = () # type: Tuple[UserID, ...] if event.type == EventTypes.Member: - extra_users = (event.state_key,) + extra_users = (UserID.from_string(event.state_key),) max_token = self.store.get_room_max_stream_ordering() self.notifier.on_new_room_event(event, token, max_token, extra_users) - await self.pusher_pool.on_new_notifications(token, token) - # Notify any waiting deferreds. The list is ordered by position so we # just iterate through the list until we reach a position that is # greater than the received row position. diff --git a/synapse/replication/tcp/handler.py b/synapse/replication/tcp/handler.py index 1c303f3a46..b323841f73 100644 --- a/synapse/replication/tcp/handler.py +++ b/synapse/replication/tcp/handler.py @@ -109,7 +109,7 @@ class ReplicationCommandHandler: if isinstance(stream, (EventsStream, BackfillStream)): # Only add EventStream and BackfillStream as a source on the # instance in charge of event persistence. - if hs.config.worker.writers.events == hs.get_instance_name(): + if hs.get_instance_name() in hs.config.worker.writers.events: self._streams_to_replicate.append(stream) continue diff --git a/synapse/replication/tcp/resource.py b/synapse/replication/tcp/resource.py index 04d894fb3d..687984e7a8 100644 --- a/synapse/replication/tcp/resource.py +++ b/synapse/replication/tcp/resource.py @@ -93,7 +93,7 @@ class ReplicationStreamer: """ if not self.command_handler.connected(): # Don't bother if nothing is listening. We still need to advance - # the stream tokens otherwise they'll fall beihind forever + # the stream tokens otherwise they'll fall behind forever for stream in self.streams: stream.discard_updates_and_advance() return diff --git a/synapse/replication/tcp/streams/_base.py b/synapse/replication/tcp/streams/_base.py index 682d47f402..1f609f158c 100644 --- a/synapse/replication/tcp/streams/_base.py +++ b/synapse/replication/tcp/streams/_base.py @@ -383,7 +383,7 @@ class CachesStream(Stream): the cache on the workers """ - @attr.s + @attr.s(slots=True) class CachesStreamRow: """Stream to inform workers they should invalidate their cache. @@ -441,7 +441,7 @@ class DeviceListsStream(Stream): told about a device update. """ - @attr.s + @attr.s(slots=True) class DeviceListsStreamRow: entity = attr.ib(type=str) diff --git a/synapse/replication/tcp/streams/events.py b/synapse/replication/tcp/streams/events.py index f929fc3954..ccc7ca30d8 100644 --- a/synapse/replication/tcp/streams/events.py +++ b/synapse/replication/tcp/streams/events.py @@ -19,7 +19,7 @@ from typing import List, Tuple, Type import attr -from ._base import Stream, StreamUpdateResult, Token, current_token_without_instance +from ._base import Stream, StreamUpdateResult, Token """Handling of the 'events' replication stream @@ -117,7 +117,7 @@ class EventsStream(Stream): self._store = hs.get_datastore() super().__init__( hs.get_instance_name(), - current_token_without_instance(self._store.get_current_events_token), + self._store._stream_id_gen.get_current_token_for_writer, self._update_function, ) diff --git a/synapse/res/templates/password_reset_confirmation.html b/synapse/res/templates/password_reset_confirmation.html new file mode 100644 index 0000000000..def4b5162b --- /dev/null +++ b/synapse/res/templates/password_reset_confirmation.html @@ -0,0 +1,16 @@ +<html> +<head></head> +<body> +<!--Use a hidden form to resubmit the information necessary to reset the password--> +<form method="post"> + <input type="hidden" name="sid" value="{{ sid }}"> + <input type="hidden" name="token" value="{{ token }}"> + <input type="hidden" name="client_secret" value="{{ client_secret }}"> + + <p>You have requested to <strong>reset your Matrix account password</strong>. Click the link below to confirm this action. <br /><br /> + If you did not mean to do this, please close this page and your password will not be changed.</p> + <p><button type="submit">Confirm changing my password</button></p> +</form> +</body> +</html> + diff --git a/synapse/res/templates/saml_error.html b/synapse/res/templates/saml_error.html deleted file mode 100644 index 01cd9bdaf3..0000000000 --- a/synapse/res/templates/saml_error.html +++ /dev/null @@ -1,52 +0,0 @@ -<!DOCTYPE html> -<html lang="en"> -<head> - <meta charset="UTF-8"> - <title>SSO login error</title> -</head> -<body> -{# a 403 means we have actively rejected their login #} -{% if code == 403 %} - <p>You are not allowed to log in here.</p> -{% else %} - <p> - There was an error during authentication: - </p> - <div id="errormsg" style="margin:20px 80px">{{ msg }}</div> - <p> - If you are seeing this page after clicking a link sent to you via email, make - sure you only click the confirmation link once, and that you open the - validation link in the same client you're logging in from. - </p> - <p> - Try logging in again from your Matrix client and if the problem persists - please contact the server's administrator. - </p> - - <script type="text/javascript"> - // Error handling to support Auth0 errors that we might get through a GET request - // to the validation endpoint. If an error is provided, it's either going to be - // located in the query string or in a query string-like URI fragment. - // We try to locate the error from any of these two locations, but if we can't - // we just don't print anything specific. - let searchStr = ""; - if (window.location.search) { - // window.location.searchParams isn't always defined when - // window.location.search is, so it's more reliable to parse the latter. - searchStr = window.location.search; - } else if (window.location.hash) { - // Replace the # with a ? so that URLSearchParams does the right thing and - // doesn't parse the first parameter incorrectly. - searchStr = window.location.hash.replace("#", "?"); - } - - // We might end up with no error in the URL, so we need to check if we have one - // to print one. - let errorDesc = new URLSearchParams(searchStr).get("error_description") - if (errorDesc) { - document.getElementById("errormsg").innerText = errorDesc; - } - </script> -{% endif %} -</body> -</html> diff --git a/synapse/res/templates/sso_error.html b/synapse/res/templates/sso_error.html index 43a211386b..af8459719a 100644 --- a/synapse/res/templates/sso_error.html +++ b/synapse/res/templates/sso_error.html @@ -5,14 +5,49 @@ <title>SSO error</title> </head> <body> - <p>Oops! Something went wrong during authentication.</p> +{# If an error of unauthorised is returned it means we have actively rejected their login #} +{% if error == "unauthorised" %} + <p>You are not allowed to log in here.</p> +{% else %} + <p> + There was an error during authentication: + </p> + <div id="errormsg" style="margin:20px 80px">{{ error_description }}</div> + <p> + If you are seeing this page after clicking a link sent to you via email, make + sure you only click the confirmation link once, and that you open the + validation link in the same client you're logging in from. + </p> <p> Try logging in again from your Matrix client and if the problem persists please contact the server's administrator. </p> <p>Error: <code>{{ error }}</code></p> - {% if error_description %} - <pre><code>{{ error_description }}</code></pre> - {% endif %} + + <script type="text/javascript"> + // Error handling to support Auth0 errors that we might get through a GET request + // to the validation endpoint. If an error is provided, it's either going to be + // located in the query string or in a query string-like URI fragment. + // We try to locate the error from any of these two locations, but if we can't + // we just don't print anything specific. + let searchStr = ""; + if (window.location.search) { + // window.location.searchParams isn't always defined when + // window.location.search is, so it's more reliable to parse the latter. + searchStr = window.location.search; + } else if (window.location.hash) { + // Replace the # with a ? so that URLSearchParams does the right thing and + // doesn't parse the first parameter incorrectly. + searchStr = window.location.hash.replace("#", "?"); + } + + // We might end up with no error in the URL, so we need to check if we have one + // to print one. + let errorDesc = new URLSearchParams(searchStr).get("error_description") + if (errorDesc) { + document.getElementById("errormsg").innerText = errorDesc; + } + </script> +{% endif %} </body> </html> diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py index 87f927890c..40f5c32db2 100644 --- a/synapse/rest/__init__.py +++ b/synapse/rest/__init__.py @@ -13,8 +13,8 @@ # 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 synapse.rest.admin from synapse.http.server import JsonResource +from synapse.rest import admin from synapse.rest.client import versions from synapse.rest.client.v1 import ( directory, @@ -123,9 +123,7 @@ class ClientRestResource(JsonResource): password_policy.register_servlets(hs, client_resource) # moving to /_synapse/admin - synapse.rest.admin.register_servlets_for_client_rest_resource( - hs, client_resource - ) + admin.register_servlets_for_client_rest_resource(hs, client_resource) # unstable shared_rooms.register_servlets(hs, client_resource) diff --git a/synapse/rest/client/v1/push_rule.py b/synapse/rest/client/v1/push_rule.py index e781a3bcf4..ddf8ed5e9c 100644 --- a/synapse/rest/client/v1/push_rule.py +++ b/synapse/rest/client/v1/push_rule.py @@ -163,6 +163,18 @@ class PushRuleRestServlet(RestServlet): self.notifier.on_new_event("push_rules_key", stream_id, users=[user_id]) async def set_rule_attr(self, user_id, spec, val): + if spec["attr"] not in ("enabled", "actions"): + # for the sake of potential future expansion, shouldn't report + # 404 in the case of an unknown request so check it corresponds to + # a known attribute first. + raise UnrecognizedRequestError() + + namespaced_rule_id = _namespaced_rule_id_from_spec(spec) + rule_id = spec["rule_id"] + is_default_rule = rule_id.startswith(".") + if is_default_rule: + if namespaced_rule_id not in BASE_RULE_IDS: + raise NotFoundError("Unknown rule %s" % (namespaced_rule_id,)) if spec["attr"] == "enabled": if isinstance(val, dict) and "enabled" in val: val = val["enabled"] @@ -171,9 +183,8 @@ class PushRuleRestServlet(RestServlet): # This should *actually* take a dict, but many clients pass # bools directly, so let's not break them. raise SynapseError(400, "Value for 'enabled' must be boolean") - namespaced_rule_id = _namespaced_rule_id_from_spec(spec) return await self.store.set_push_rule_enabled( - user_id, namespaced_rule_id, val + user_id, namespaced_rule_id, val, is_default_rule ) elif spec["attr"] == "actions": actions = val.get("actions") diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py index 3481477731..ade97a6708 100644 --- a/synapse/rest/client/v2_alpha/account.py +++ b/synapse/rest/client/v2_alpha/account.py @@ -17,6 +17,11 @@ import logging import random from http import HTTPStatus +from typing import TYPE_CHECKING +from urllib.parse import urlparse + +if TYPE_CHECKING: + from synapse.app.homeserver import HomeServer from synapse.api.constants import LoginType from synapse.api.errors import ( @@ -98,6 +103,9 @@ class EmailPasswordRequestTokenRestServlet(RestServlet): Codes.THREEPID_DENIED, ) + # Raise if the provided next_link value isn't valid + assert_valid_next_link(self.hs, next_link) + # The email will be sent to the stored address. # This avoids a potential account hijack by requesting a password reset to # an email address which is controlled by the attacker but which, after @@ -144,81 +152,6 @@ class EmailPasswordRequestTokenRestServlet(RestServlet): return 200, ret -class PasswordResetSubmitTokenServlet(RestServlet): - """Handles 3PID validation token submission""" - - PATTERNS = client_patterns( - "/password_reset/(?P<medium>[^/]*)/submit_token$", releases=(), unstable=True - ) - - def __init__(self, hs): - """ - Args: - hs (synapse.server.HomeServer): server - """ - super(PasswordResetSubmitTokenServlet, self).__init__() - self.hs = hs - self.auth = hs.get_auth() - self.config = hs.config - self.clock = hs.get_clock() - self.store = hs.get_datastore() - if self.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL: - self._failure_email_template = ( - self.config.email_password_reset_template_failure_html - ) - - async def on_GET(self, request, medium): - # We currently only handle threepid token submissions for email - if medium != "email": - raise SynapseError( - 400, "This medium is currently not supported for password resets" - ) - if self.config.threepid_behaviour_email == ThreepidBehaviour.OFF: - if self.config.local_threepid_handling_disabled_due_to_email_config: - logger.warning( - "Password reset emails have been disabled due to lack of an email config" - ) - raise SynapseError( - 400, "Email-based password resets are disabled on this server" - ) - - sid = parse_string(request, "sid", required=True) - token = parse_string(request, "token", required=True) - client_secret = parse_string(request, "client_secret", required=True) - assert_valid_client_secret(client_secret) - - # Attempt to validate a 3PID session - try: - # Mark the session as valid - next_link = await self.store.validate_threepid_session( - sid, client_secret, token, self.clock.time_msec() - ) - - # Perform a 302 redirect if next_link is set - if next_link: - if next_link.startswith("file:///"): - logger.warning( - "Not redirecting to next_link as it is a local file: address" - ) - else: - request.setResponseCode(302) - request.setHeader("Location", next_link) - finish_request(request) - return None - - # Otherwise show the success template - html = self.config.email_password_reset_template_success_html_content - status_code = 200 - except ThreepidValidationError as e: - status_code = e.code - - # Show a failure page with a reason - template_vars = {"failure_reason": e.msg} - html = self._failure_email_template.render(**template_vars) - - respond_with_html(request, status_code, html) - - class PasswordRestServlet(RestServlet): PATTERNS = client_patterns("/account/password$") @@ -368,7 +301,7 @@ class DeactivateAccountRestServlet(RestServlet): requester = await self.auth.get_user_by_req(request) - # allow ASes to dectivate their own users + # allow ASes to deactivate their own users if requester.app_service: await self._deactivate_account_handler.deactivate_account( requester.user.to_string(), erase @@ -446,6 +379,9 @@ class EmailThreepidRequestTokenRestServlet(RestServlet): Codes.THREEPID_DENIED, ) + # Raise if the provided next_link value isn't valid + assert_valid_next_link(self.hs, next_link) + existing_user_id = await self.store.get_user_id_by_threepid("email", email) if existing_user_id is not None: @@ -517,6 +453,9 @@ class MsisdnThreepidRequestTokenRestServlet(RestServlet): Codes.THREEPID_DENIED, ) + # Raise if the provided next_link value isn't valid + assert_valid_next_link(self.hs, next_link) + existing_user_id = await self.store.get_user_id_by_threepid("msisdn", msisdn) if existing_user_id is not None: @@ -603,15 +542,10 @@ class AddThreepidEmailSubmitTokenServlet(RestServlet): # Perform a 302 redirect if next_link is set if next_link: - if next_link.startswith("file:///"): - logger.warning( - "Not redirecting to next_link as it is a local file: address" - ) - else: - request.setResponseCode(302) - request.setHeader("Location", next_link) - finish_request(request) - return None + request.setResponseCode(302) + request.setHeader("Location", next_link) + finish_request(request) + return None # Otherwise show the success template html = self.config.email_add_threepid_template_success_html_content @@ -875,6 +809,45 @@ class ThreepidDeleteRestServlet(RestServlet): return 200, {"id_server_unbind_result": id_server_unbind_result} +def assert_valid_next_link(hs: "HomeServer", next_link: str): + """ + Raises a SynapseError if a given next_link value is invalid + + next_link is valid if the scheme is http(s) and the next_link.domain_whitelist config + option is either empty or contains a domain that matches the one in the given next_link + + Args: + hs: The homeserver object + next_link: The next_link value given by the client + + Raises: + SynapseError: If the next_link is invalid + """ + valid = True + + # Parse the contents of the URL + next_link_parsed = urlparse(next_link) + + # Scheme must not point to the local drive + if next_link_parsed.scheme == "file": + valid = False + + # If the domain whitelist is set, the domain must be in it + if ( + valid + and hs.config.next_link_domain_whitelist is not None + and next_link_parsed.hostname not in hs.config.next_link_domain_whitelist + ): + valid = False + + if not valid: + raise SynapseError( + 400, + "'next_link' domain not included in whitelist, or not http(s)", + errcode=Codes.INVALID_PARAM, + ) + + class WhoamiRestServlet(RestServlet): PATTERNS = client_patterns("/account/whoami$") @@ -890,7 +863,6 @@ class WhoamiRestServlet(RestServlet): def register_servlets(hs, http_server): EmailPasswordRequestTokenRestServlet(hs).register(http_server) - PasswordResetSubmitTokenServlet(hs).register(http_server) PasswordRestServlet(hs).register(http_server) DeactivateAccountRestServlet(hs).register(http_server) EmailThreepidRequestTokenRestServlet(hs).register(http_server) diff --git a/synapse/rest/key/v2/remote_key_resource.py b/synapse/rest/key/v2/remote_key_resource.py index 5db7f81c2d..f843f02454 100644 --- a/synapse/rest/key/v2/remote_key_resource.py +++ b/synapse/rest/key/v2/remote_key_resource.py @@ -35,7 +35,7 @@ class RemoteKey(DirectServeJsonResource): Supports individual GET APIs and a bulk query POST API. - Requsts: + Requests: GET /_matrix/key/v2/query/remote.server.example.com HTTP/1.1 diff --git a/synapse/rest/media/v1/filepath.py b/synapse/rest/media/v1/filepath.py index d2826374a7..7447eeaebe 100644 --- a/synapse/rest/media/v1/filepath.py +++ b/synapse/rest/media/v1/filepath.py @@ -80,7 +80,7 @@ class MediaFilePaths: self, server_name, file_id, width, height, content_type, method ): top_level_type, sub_type = content_type.split("/") - file_name = "%i-%i-%s-%s" % (width, height, top_level_type, sub_type) + file_name = "%i-%i-%s-%s-%s" % (width, height, top_level_type, sub_type, method) return os.path.join( "remote_thumbnail", server_name, @@ -92,6 +92,23 @@ class MediaFilePaths: remote_media_thumbnail = _wrap_in_base_path(remote_media_thumbnail_rel) + # Legacy path that was used to store thumbnails previously. + # Should be removed after some time, when most of the thumbnails are stored + # using the new path. + def remote_media_thumbnail_rel_legacy( + self, server_name, file_id, width, height, content_type + ): + top_level_type, sub_type = content_type.split("/") + file_name = "%i-%i-%s-%s" % (width, height, top_level_type, sub_type) + return os.path.join( + "remote_thumbnail", + server_name, + file_id[0:2], + file_id[2:4], + file_id[4:], + file_name, + ) + def remote_media_thumbnail_dir(self, server_name, file_id): return os.path.join( self.base_path, diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index 9a1b7779f7..69f353d46f 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -53,7 +53,7 @@ from .media_storage import MediaStorage from .preview_url_resource import PreviewUrlResource from .storage_provider import StorageProviderWrapper from .thumbnail_resource import ThumbnailResource -from .thumbnailer import Thumbnailer +from .thumbnailer import Thumbnailer, ThumbnailError from .upload_resource import UploadResource logger = logging.getLogger(__name__) @@ -460,13 +460,30 @@ class MediaRepository: return t_byte_source async def generate_local_exact_thumbnail( - self, media_id, t_width, t_height, t_method, t_type, url_cache - ): + self, + media_id: str, + t_width: int, + t_height: int, + t_method: str, + t_type: str, + url_cache: str, + ) -> Optional[str]: input_path = await self.media_storage.ensure_media_is_in_local_cache( FileInfo(None, media_id, url_cache=url_cache) ) - thumbnailer = Thumbnailer(input_path) + try: + thumbnailer = Thumbnailer(input_path) + except ThumbnailError as e: + logger.warning( + "Unable to generate a thumbnail for local media %s using a method of %s and type of %s: %s", + media_id, + t_method, + t_type, + e, + ) + return None + t_byte_source = await defer_to_thread( self.hs.get_reactor(), self._generate_thumbnail, @@ -506,14 +523,36 @@ class MediaRepository: return output_path + # Could not generate thumbnail. + return None + async def generate_remote_exact_thumbnail( - self, server_name, file_id, media_id, t_width, t_height, t_method, t_type - ): + self, + server_name: str, + file_id: str, + media_id: str, + t_width: int, + t_height: int, + t_method: str, + t_type: str, + ) -> Optional[str]: input_path = await self.media_storage.ensure_media_is_in_local_cache( FileInfo(server_name, file_id, url_cache=False) ) - thumbnailer = Thumbnailer(input_path) + try: + thumbnailer = Thumbnailer(input_path) + except ThumbnailError as e: + logger.warning( + "Unable to generate a thumbnail for remote media %s from %s using a method of %s and type of %s: %s", + media_id, + server_name, + t_method, + t_type, + e, + ) + return None + t_byte_source = await defer_to_thread( self.hs.get_reactor(), self._generate_thumbnail, @@ -559,6 +598,9 @@ class MediaRepository: return output_path + # Could not generate thumbnail. + return None + async def _generate_thumbnails( self, server_name: Optional[str], @@ -590,7 +632,18 @@ class MediaRepository: FileInfo(server_name, file_id, url_cache=url_cache) ) - thumbnailer = Thumbnailer(input_path) + try: + thumbnailer = Thumbnailer(input_path) + except ThumbnailError as e: + logger.warning( + "Unable to generate thumbnails for remote media %s from %s using a method of %s and type of %s: %s", + media_id, + server_name, + media_type, + e, + ) + return None + m_width = thumbnailer.width m_height = thumbnailer.height diff --git a/synapse/rest/media/v1/media_storage.py b/synapse/rest/media/v1/media_storage.py index 3a352b5631..5681677fc9 100644 --- a/synapse/rest/media/v1/media_storage.py +++ b/synapse/rest/media/v1/media_storage.py @@ -147,6 +147,20 @@ class MediaStorage: if os.path.exists(local_path): return FileResponder(open(local_path, "rb")) + # Fallback for paths without method names + # Should be removed in the future + if file_info.thumbnail and file_info.server_name: + legacy_path = self.filepaths.remote_media_thumbnail_rel_legacy( + 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, + ) + legacy_local_path = os.path.join(self.local_media_directory, legacy_path) + if os.path.exists(legacy_local_path): + return FileResponder(open(legacy_local_path, "rb")) + for provider in self.storage_providers: res = await provider.fetch(path, file_info) # type: Any if res: @@ -170,6 +184,20 @@ class MediaStorage: if os.path.exists(local_path): return local_path + # Fallback for paths without method names + # Should be removed in the future + if file_info.thumbnail and file_info.server_name: + legacy_path = self.filepaths.remote_media_thumbnail_rel_legacy( + 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, + ) + legacy_local_path = os.path.join(self.local_media_directory, legacy_path) + if os.path.exists(legacy_local_path): + return legacy_local_path + dirname = os.path.dirname(local_path) if not os.path.exists(dirname): os.makedirs(dirname) diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index cd8c246594..987765e877 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -102,7 +102,7 @@ for endpoint, globs in _oembed_globs.items(): _oembed_patterns[re.compile(pattern)] = endpoint -@attr.s +@attr.s(slots=True) class OEmbedResult: # Either HTML content or URL must be provided. html = attr.ib(type=Optional[str]) diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py index a83535b97b..30421b663a 100644 --- a/synapse/rest/media/v1/thumbnail_resource.py +++ b/synapse/rest/media/v1/thumbnail_resource.py @@ -16,6 +16,7 @@ import logging +from synapse.api.errors import SynapseError from synapse.http.server import DirectServeJsonResource, set_cors_headers from synapse.http.servlet import parse_integer, parse_string @@ -173,7 +174,7 @@ class ThumbnailResource(DirectServeJsonResource): await respond_with_file(request, desired_type, file_path) else: logger.warning("Failed to generate thumbnail") - respond_404(request) + raise SynapseError(400, "Failed to generate thumbnail.") async def _select_or_generate_remote_thumbnail( self, @@ -235,7 +236,7 @@ class ThumbnailResource(DirectServeJsonResource): await respond_with_file(request, desired_type, file_path) else: logger.warning("Failed to generate thumbnail") - respond_404(request) + raise SynapseError(400, "Failed to generate thumbnail.") async def _respond_remote_thumbnail( self, request, server_name, media_id, width, height, method, m_type diff --git a/synapse/rest/media/v1/thumbnailer.py b/synapse/rest/media/v1/thumbnailer.py index d681bf7bf0..32a8e4f960 100644 --- a/synapse/rest/media/v1/thumbnailer.py +++ b/synapse/rest/media/v1/thumbnailer.py @@ -15,7 +15,7 @@ import logging from io import BytesIO -from PIL import Image as Image +from PIL import Image logger = logging.getLogger(__name__) @@ -31,12 +31,22 @@ EXIF_TRANSPOSE_MAPPINGS = { } +class ThumbnailError(Exception): + """An error occurred generating a thumbnail.""" + + class Thumbnailer: FORMATS = {"image/jpeg": "JPEG", "image/png": "PNG"} def __init__(self, input_path): - self.image = Image.open(input_path) + try: + self.image = Image.open(input_path) + except OSError as e: + # If an error occurs opening the image, a thumbnail won't be able to + # be generated. + raise ThumbnailError from e + self.width, self.height = self.image.size self.transpose_method = None try: @@ -73,7 +83,7 @@ class Thumbnailer: Args: max_width: The largest possible width. - max_height: The larget possible height. + max_height: The largest possible height. """ if max_width * self.height < max_height * self.width: @@ -107,7 +117,7 @@ class Thumbnailer: Args: max_width: The largest possible width. - max_height: The larget possible height. + max_height: The largest possible height. Returns: BytesIO: the bytes of the encoded image ready to be written to disk diff --git a/synapse/rest/saml2/response_resource.py b/synapse/rest/saml2/response_resource.py index c10188a5d7..f6668fb5e3 100644 --- a/synapse/rest/saml2/response_resource.py +++ b/synapse/rest/saml2/response_resource.py @@ -13,10 +13,8 @@ # 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.python import failure -from synapse.api.errors import SynapseError -from synapse.http.server import DirectServeHtmlResource, return_html_error +from synapse.http.server import DirectServeHtmlResource class SAML2ResponseResource(DirectServeHtmlResource): @@ -27,21 +25,15 @@ class SAML2ResponseResource(DirectServeHtmlResource): def __init__(self, hs): super().__init__() self._saml_handler = hs.get_saml_handler() - self._error_html_template = hs.config.saml2.saml2_error_html_template async def _async_render_GET(self, request): # We're not expecting any GET request on that resource if everything goes right, # but some IdPs sometimes end up responding with a 302 redirect on this endpoint. # In this case, just tell the user that something went wrong and they should # try to authenticate again. - f = failure.Failure( - SynapseError(400, "Unexpected GET request on /saml2/authn_response") + self._saml_handler._render_error( + request, "unexpected_get", "Unexpected GET request on /saml2/authn_response" ) - return_html_error(f, request, self._error_html_template) async def _async_render_POST(self, request): - try: - await self._saml_handler.handle_saml_response(request) - except Exception: - f = failure.Failure() - return_html_error(f, request, self._error_html_template) + await self._saml_handler.handle_saml_response(request) diff --git a/synapse/rest/synapse/__init__.py b/synapse/rest/synapse/__init__.py new file mode 100644 index 0000000000..c0b733488b --- /dev/null +++ b/synapse/rest/synapse/__init__.py @@ -0,0 +1,14 @@ +# -*- coding: utf-8 -*- +# Copyright 2020 The Matrix.org Foundation C.I.C. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. diff --git a/synapse/rest/synapse/client/__init__.py b/synapse/rest/synapse/client/__init__.py new file mode 100644 index 0000000000..c0b733488b --- /dev/null +++ b/synapse/rest/synapse/client/__init__.py @@ -0,0 +1,14 @@ +# -*- coding: utf-8 -*- +# Copyright 2020 The Matrix.org Foundation C.I.C. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. diff --git a/synapse/rest/synapse/client/password_reset.py b/synapse/rest/synapse/client/password_reset.py new file mode 100644 index 0000000000..9e4fbc0cbd --- /dev/null +++ b/synapse/rest/synapse/client/password_reset.py @@ -0,0 +1,127 @@ +# -*- coding: utf-8 -*- +# Copyright 2020 The Matrix.org Foundation C.I.C. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +import logging +from typing import TYPE_CHECKING, Tuple + +from twisted.web.http import Request + +from synapse.api.errors import ThreepidValidationError +from synapse.config.emailconfig import ThreepidBehaviour +from synapse.http.server import DirectServeHtmlResource +from synapse.http.servlet import parse_string +from synapse.util.stringutils import assert_valid_client_secret + +if TYPE_CHECKING: + from synapse.server import HomeServer + +logger = logging.getLogger(__name__) + + +class PasswordResetSubmitTokenResource(DirectServeHtmlResource): + """Handles 3PID validation token submission + + This resource gets mounted under /_synapse/client/password_reset/email/submit_token + """ + + isLeaf = 1 + + def __init__(self, hs: "HomeServer"): + """ + Args: + hs: server + """ + super().__init__() + + self.clock = hs.get_clock() + self.store = hs.get_datastore() + + self._local_threepid_handling_disabled_due_to_email_config = ( + hs.config.local_threepid_handling_disabled_due_to_email_config + ) + self._confirmation_email_template = ( + hs.config.email_password_reset_template_confirmation_html + ) + self._email_password_reset_template_success_html = ( + hs.config.email_password_reset_template_success_html_content + ) + self._failure_email_template = ( + hs.config.email_password_reset_template_failure_html + ) + + # This resource should not be mounted if threepid behaviour is not LOCAL + assert hs.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL + + async def _async_render_GET(self, request: Request) -> Tuple[int, bytes]: + sid = parse_string(request, "sid", required=True) + token = parse_string(request, "token", required=True) + client_secret = parse_string(request, "client_secret", required=True) + assert_valid_client_secret(client_secret) + + # Show a confirmation page, just in case someone accidentally clicked this link when + # they didn't mean to + template_vars = { + "sid": sid, + "token": token, + "client_secret": client_secret, + } + return ( + 200, + self._confirmation_email_template.render(**template_vars).encode("utf-8"), + ) + + async def _async_render_POST(self, request: Request) -> Tuple[int, bytes]: + sid = parse_string(request, "sid", required=True) + token = parse_string(request, "token", required=True) + client_secret = parse_string(request, "client_secret", required=True) + + # Attempt to validate a 3PID session + try: + # Mark the session as valid + next_link = await self.store.validate_threepid_session( + sid, client_secret, token, self.clock.time_msec() + ) + + # Perform a 302 redirect if next_link is set + if next_link: + if next_link.startswith("file:///"): + logger.warning( + "Not redirecting to next_link as it is a local file: address" + ) + else: + next_link_bytes = next_link.encode("utf-8") + request.setHeader("Location", next_link_bytes) + return ( + 302, + ( + b'You are being redirected to <a src="%s">%s</a>.' + % (next_link_bytes, next_link_bytes) + ), + ) + + # Otherwise show the success template + html_bytes = self._email_password_reset_template_success_html.encode( + "utf-8" + ) + status_code = 200 + except ThreepidValidationError as e: + status_code = e.code + + # Show a failure page with a reason + template_vars = {"failure_reason": e.msg} + html_bytes = self._failure_email_template.render(**template_vars).encode( + "utf-8" + ) + + return status_code, html_bytes diff --git a/synapse/state/__init__.py b/synapse/state/__init__.py index c7e3015b5d..56d6afb863 100644 --- a/synapse/state/__init__.py +++ b/synapse/state/__init__.py @@ -678,7 +678,7 @@ def resolve_events_with_store( ) -@attr.s +@attr.s(slots=True) class StateResolutionStore: """Interface that allows state resolution algorithms to access the database in well defined way. diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index 8e5d78f6f7..bbff3c8d5b 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -47,6 +47,9 @@ class Storage: # interfaces. self.main = stores.main - self.persistence = EventsPersistenceStorage(hs, stores) self.purge_events = PurgeEventsStorage(hs, stores) self.state = StateGroupStorage(hs, stores) + + self.persistence = None + if stores.persist_events: + self.persistence = EventsPersistenceStorage(hs, stores) diff --git a/synapse/storage/database.py b/synapse/storage/database.py index ed8a9bffb1..79ec8f119d 100644 --- a/synapse/storage/database.py +++ b/synapse/storage/database.py @@ -952,7 +952,7 @@ class DatabasePool: key_names: Collection[str], key_values: Collection[Iterable[Any]], value_names: Collection[str], - value_values: Iterable[Iterable[str]], + value_values: Iterable[Iterable[Any]], ) -> None: """ Upsert, many times. @@ -981,7 +981,7 @@ class DatabasePool: key_names: Iterable[str], key_values: Collection[Iterable[Any]], value_names: Collection[str], - value_values: Iterable[Iterable[str]], + value_values: Iterable[Iterable[Any]], ) -> None: """ Upsert, many times, but without native UPSERT support or batching. diff --git a/synapse/storage/databases/__init__.py b/synapse/storage/databases/__init__.py index 985b12df91..aa5d490624 100644 --- a/synapse/storage/databases/__init__.py +++ b/synapse/storage/databases/__init__.py @@ -75,7 +75,7 @@ class Databases: # If we're on a process that can persist events also # instantiate a `PersistEventsStore` - if hs.config.worker.writers.events == hs.get_instance_name(): + if hs.get_instance_name() in hs.config.worker.writers.events: persist_events = PersistEventsStore(hs, database, main) if "state" in database_config.databases: diff --git a/synapse/storage/databases/main/devices.py b/synapse/storage/databases/main/devices.py index add4e3ea0e..306fc6947c 100644 --- a/synapse/storage/databases/main/devices.py +++ b/synapse/storage/databases/main/devices.py @@ -481,7 +481,7 @@ class DeviceWorkerStore(SQLBaseStore): } async def get_users_whose_devices_changed( - self, from_key: str, user_ids: Iterable[str] + self, from_key: int, user_ids: Iterable[str] ) -> Set[str]: """Get set of users whose devices have changed since `from_key` that are in the given list of user_ids. @@ -493,7 +493,6 @@ class DeviceWorkerStore(SQLBaseStore): Returns: The set of user_ids whose devices have changed since `from_key` """ - from_key = int(from_key) # Get set of users who *may* have changed. Users not in the returned # list have definitely not changed. @@ -527,7 +526,7 @@ class DeviceWorkerStore(SQLBaseStore): ) async def get_users_whose_signatures_changed( - self, user_id: str, from_key: str + self, user_id: str, from_key: int ) -> Set[str]: """Get the users who have new cross-signing signatures made by `user_id` since `from_key`. @@ -539,7 +538,7 @@ class DeviceWorkerStore(SQLBaseStore): Returns: A set of user IDs with updated signatures. """ - from_key = int(from_key) + if self._user_signature_stream_cache.has_entity_changed(user_id, from_key): sql = """ SELECT DISTINCT user_ids FROM user_signature_stream diff --git a/synapse/storage/databases/main/end_to_end_keys.py b/synapse/storage/databases/main/end_to_end_keys.py index fba3098ea2..c8df0bcb3f 100644 --- a/synapse/storage/databases/main/end_to_end_keys.py +++ b/synapse/storage/databases/main/end_to_end_keys.py @@ -35,7 +35,7 @@ if TYPE_CHECKING: from synapse.handlers.e2e_keys import SignatureListItem -@attr.s +@attr.s(slots=True) class DeviceKeyLookupResult: """The type returned by get_e2e_device_keys_and_signatures""" diff --git a/synapse/storage/databases/main/event_federation.py b/synapse/storage/databases/main/event_federation.py index 0b69aa6a94..4c3c162acf 100644 --- a/synapse/storage/databases/main/event_federation.py +++ b/synapse/storage/databases/main/event_federation.py @@ -438,7 +438,7 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas """ if stream_ordering <= self.stream_ordering_month_ago: - raise StoreError(400, "stream_ordering too old") + raise StoreError(400, "stream_ordering too old %s" % (stream_ordering,)) sql = """ SELECT event_id FROM stream_ordering_to_exterm diff --git a/synapse/storage/databases/main/event_push_actions.py b/synapse/storage/databases/main/event_push_actions.py index 5233ed83e2..7805fb814e 100644 --- a/synapse/storage/databases/main/event_push_actions.py +++ b/synapse/storage/databases/main/event_push_actions.py @@ -969,7 +969,7 @@ def _action_has_highlight(actions): return False -@attr.s +@attr.s(slots=True) class _EventPushSummary: """Summary of pending event push actions for a given user in a given room. Used in _rotate_notifs_before_txn to manipulate results from event_push_actions. diff --git a/synapse/storage/databases/main/events.py b/synapse/storage/databases/main/events.py index b3d27a2ee7..9a80f419e3 100644 --- a/synapse/storage/databases/main/events.py +++ b/synapse/storage/databases/main/events.py @@ -32,7 +32,7 @@ from synapse.logging.utils import log_function from synapse.storage._base import db_to_json, make_in_list_sql_clause from synapse.storage.database import DatabasePool, LoggingTransaction from synapse.storage.databases.main.search import SearchEntry -from synapse.storage.util.id_generators import StreamIdGenerator +from synapse.storage.util.id_generators import MultiWriterIdGenerator from synapse.types import StateMap, get_domain_from_id from synapse.util.frozenutils import frozendict_json_encoder from synapse.util.iterutils import batch_iter @@ -97,18 +97,21 @@ class PersistEventsStore: self.store = main_data_store self.database_engine = db.engine self._clock = hs.get_clock() + self._instance_name = hs.get_instance_name() self._ephemeral_messages_enabled = hs.config.enable_ephemeral_messages self.is_mine_id = hs.is_mine_id # Ideally we'd move these ID gens here, unfortunately some other ID # generators are chained off them so doing so is a bit of a PITA. - self._backfill_id_gen = self.store._backfill_id_gen # type: StreamIdGenerator - self._stream_id_gen = self.store._stream_id_gen # type: StreamIdGenerator + self._backfill_id_gen = ( + self.store._backfill_id_gen + ) # type: MultiWriterIdGenerator + self._stream_id_gen = self.store._stream_id_gen # type: MultiWriterIdGenerator # This should only exist on instances that are configured to write assert ( - hs.config.worker.writers.events == hs.get_instance_name() + hs.get_instance_name() in hs.config.worker.writers.events ), "Can only instantiate EventsStore on master" async def _persist_events_and_state_updates( @@ -213,7 +216,7 @@ class PersistEventsStore: Returns: Filtered event ids """ - results = [] + results = [] # type: List[str] def _get_events_which_are_prevs_txn(txn, batch): sql = """ @@ -631,7 +634,9 @@ class PersistEventsStore: ) @classmethod - def _filter_events_and_contexts_for_duplicates(cls, events_and_contexts): + def _filter_events_and_contexts_for_duplicates( + cls, events_and_contexts: List[Tuple[EventBase, EventContext]] + ) -> List[Tuple[EventBase, EventContext]]: """Ensure that we don't have the same event twice. Pick the earliest non-outlier if there is one, else the earliest one. @@ -641,7 +646,9 @@ class PersistEventsStore: Returns: list[(EventBase, EventContext)]: filtered list """ - new_events_and_contexts = OrderedDict() + new_events_and_contexts = ( + OrderedDict() + ) # type: OrderedDict[str, Tuple[EventBase, EventContext]] for event, context in events_and_contexts: prev_event_context = new_events_and_contexts.get(event.event_id) if prev_event_context: @@ -655,7 +662,12 @@ class PersistEventsStore: new_events_and_contexts[event.event_id] = (event, context) return list(new_events_and_contexts.values()) - def _update_room_depths_txn(self, txn, events_and_contexts, backfilled): + def _update_room_depths_txn( + self, + txn, + events_and_contexts: List[Tuple[EventBase, EventContext]], + backfilled: bool, + ): """Update min_depth for each room Args: @@ -664,7 +676,7 @@ class PersistEventsStore: we are persisting backfilled (bool): True if the events were backfilled """ - depth_updates = {} + depth_updates = {} # type: Dict[str, int] for event, context in events_and_contexts: # Remove the any existing cache entries for the event_ids txn.call_after(self.store._invalidate_get_event_cache, event.event_id) @@ -800,6 +812,7 @@ class PersistEventsStore: table="events", values=[ { + "instance_name": self._instance_name, "stream_ordering": event.internal_metadata.stream_ordering, "topological_ordering": event.depth, "depth": event.depth, @@ -1436,7 +1449,7 @@ class PersistEventsStore: Forward extremities are handled when we first start persisting the events. """ - events_by_room = {} + events_by_room = {} # type: Dict[str, List[EventBase]] for ev in events: events_by_room.setdefault(ev.room_id, []).append(ev) diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py index a7a73cc3d8..17f5997b89 100644 --- a/synapse/storage/databases/main/events_worker.py +++ b/synapse/storage/databases/main/events_worker.py @@ -42,7 +42,8 @@ from synapse.replication.tcp.streams import BackfillStream from synapse.replication.tcp.streams.events import EventsStream from synapse.storage._base import SQLBaseStore, db_to_json, make_in_list_sql_clause from synapse.storage.database import DatabasePool -from synapse.storage.util.id_generators import StreamIdGenerator +from synapse.storage.engines import PostgresEngine +from synapse.storage.util.id_generators import MultiWriterIdGenerator, StreamIdGenerator from synapse.types import Collection, get_domain_from_id from synapse.util.caches.descriptors import Cache, cached from synapse.util.iterutils import batch_iter @@ -78,27 +79,54 @@ class EventsWorkerStore(SQLBaseStore): def __init__(self, database: DatabasePool, db_conn, hs): super(EventsWorkerStore, self).__init__(database, db_conn, hs) - if hs.config.worker.writers.events == hs.get_instance_name(): - # We are the process in charge of generating stream ids for events, - # so instantiate ID generators based on the database - self._stream_id_gen = StreamIdGenerator( - db_conn, "events", "stream_ordering", + if isinstance(database.engine, PostgresEngine): + # If we're using Postgres than we can use `MultiWriterIdGenerator` + # regardless of whether this process writes to the streams or not. + self._stream_id_gen = MultiWriterIdGenerator( + db_conn=db_conn, + db=database, + instance_name=hs.get_instance_name(), + table="events", + instance_column="instance_name", + id_column="stream_ordering", + sequence_name="events_stream_seq", ) - self._backfill_id_gen = StreamIdGenerator( - db_conn, - "events", - "stream_ordering", - step=-1, - extra_tables=[("ex_outlier_stream", "event_stream_ordering")], + self._backfill_id_gen = MultiWriterIdGenerator( + db_conn=db_conn, + db=database, + instance_name=hs.get_instance_name(), + table="events", + instance_column="instance_name", + id_column="stream_ordering", + sequence_name="events_backfill_stream_seq", + positive=False, ) else: - # Another process is in charge of persisting events and generating - # stream IDs: rely on the replication streams to let us know which - # IDs we can process. - self._stream_id_gen = SlavedIdTracker(db_conn, "events", "stream_ordering") - self._backfill_id_gen = SlavedIdTracker( - db_conn, "events", "stream_ordering", step=-1 - ) + # We shouldn't be running in worker mode with SQLite, but its useful + # to support it for unit tests. + # + # If this process is the writer than we need to use + # `StreamIdGenerator`, otherwise we use `SlavedIdTracker` which gets + # updated over replication. (Multiple writers are not supported for + # SQLite). + if hs.get_instance_name() in hs.config.worker.writers.events: + self._stream_id_gen = StreamIdGenerator( + db_conn, "events", "stream_ordering", + ) + self._backfill_id_gen = StreamIdGenerator( + db_conn, + "events", + "stream_ordering", + step=-1, + extra_tables=[("ex_outlier_stream", "event_stream_ordering")], + ) + else: + self._stream_id_gen = SlavedIdTracker( + db_conn, "events", "stream_ordering" + ) + self._backfill_id_gen = SlavedIdTracker( + db_conn, "events", "stream_ordering", step=-1 + ) self._get_event_cache = Cache( "*getEvent*", diff --git a/synapse/storage/databases/main/media_repository.py b/synapse/storage/databases/main/media_repository.py index 86557d5512..1d76c761a6 100644 --- a/synapse/storage/databases/main/media_repository.py +++ b/synapse/storage/databases/main/media_repository.py @@ -17,6 +17,10 @@ from typing import Any, Dict, Iterable, List, Optional, Tuple from synapse.storage._base import SQLBaseStore from synapse.storage.database import DatabasePool +BG_UPDATE_REMOVE_MEDIA_REPO_INDEX_WITHOUT_METHOD = ( + "media_repository_drop_index_wo_method" +) + class MediaRepositoryBackgroundUpdateStore(SQLBaseStore): def __init__(self, database: DatabasePool, db_conn, hs): @@ -32,6 +36,59 @@ class MediaRepositoryBackgroundUpdateStore(SQLBaseStore): where_clause="url_cache IS NOT NULL", ) + # The following the updates add the method to the unique constraint of + # the thumbnail databases. That fixes an issue, where thumbnails of the + # same resolution, but different methods could overwrite one another. + # This can happen with custom thumbnail configs or with dynamic thumbnailing. + self.db_pool.updates.register_background_index_update( + update_name="local_media_repository_thumbnails_method_idx", + index_name="local_media_repository_thumbn_media_id_width_height_method_key", + table="local_media_repository_thumbnails", + columns=[ + "media_id", + "thumbnail_width", + "thumbnail_height", + "thumbnail_type", + "thumbnail_method", + ], + unique=True, + ) + + self.db_pool.updates.register_background_index_update( + update_name="remote_media_repository_thumbnails_method_idx", + index_name="remote_media_repository_thumbn_media_origin_id_width_height_method_key", + table="remote_media_cache_thumbnails", + columns=[ + "media_origin", + "media_id", + "thumbnail_width", + "thumbnail_height", + "thumbnail_type", + "thumbnail_method", + ], + unique=True, + ) + + self.db_pool.updates.register_background_update_handler( + BG_UPDATE_REMOVE_MEDIA_REPO_INDEX_WITHOUT_METHOD, + self._drop_media_index_without_method, + ) + + async def _drop_media_index_without_method(self, progress, batch_size): + def f(txn): + txn.execute( + "ALTER TABLE local_media_repository_thumbnails DROP CONSTRAINT IF EXISTS local_media_repository_thumbn_media_id_thumbnail_width_thum_key" + ) + txn.execute( + "ALTER TABLE remote_media_cache_thumbnails DROP CONSTRAINT IF EXISTS remote_media_repository_thumbn_media_id_thumbnail_width_thum_key" + ) + + await self.db_pool.runInteraction("drop_media_indices_without_method", f) + await self.db_pool.updates._end_background_update( + BG_UPDATE_REMOVE_MEDIA_REPO_INDEX_WITHOUT_METHOD + ) + return 1 + class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore): """Persistence for attachments and avatars""" diff --git a/synapse/storage/databases/main/purge_events.py b/synapse/storage/databases/main/purge_events.py index ea833829ae..d7a03cbf7d 100644 --- a/synapse/storage/databases/main/purge_events.py +++ b/synapse/storage/databases/main/purge_events.py @@ -69,6 +69,7 @@ class PurgeEventsStore(StateGroupWorkerStore, SQLBaseStore): # room_depth # state_groups # state_groups_state + # destination_rooms # we will build a temporary table listing the events so that we don't # have to keep shovelling the list back and forth across the @@ -336,6 +337,7 @@ class PurgeEventsStore(StateGroupWorkerStore, SQLBaseStore): # and finally, the tables with an index on room_id (or no useful index) for table in ( "current_state_events", + "destination_rooms", "event_backward_extremities", "event_forward_extremities", "event_json", diff --git a/synapse/storage/databases/main/push_rule.py b/synapse/storage/databases/main/push_rule.py index 0de802a86b..9790a31998 100644 --- a/synapse/storage/databases/main/push_rule.py +++ b/synapse/storage/databases/main/push_rule.py @@ -13,11 +13,11 @@ # 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 abc import logging from typing import List, Tuple, Union +from synapse.api.errors import NotFoundError, StoreError from synapse.push.baserules import list_with_base_rules from synapse.replication.slave.storage._slaved_id_tracker import SlavedIdTracker from synapse.storage._base import SQLBaseStore, db_to_json @@ -27,6 +27,7 @@ from synapse.storage.databases.main.events_worker import EventsWorkerStore from synapse.storage.databases.main.pusher import PusherWorkerStore from synapse.storage.databases.main.receipts import ReceiptsWorkerStore from synapse.storage.databases.main.roommember import RoomMemberWorkerStore +from synapse.storage.engines import PostgresEngine, Sqlite3Engine from synapse.storage.push_rule import InconsistentRuleException, RuleNotFoundException from synapse.storage.util.id_generators import StreamIdGenerator from synapse.util import json_encoder @@ -540,6 +541,25 @@ class PushRuleStore(PushRulesWorkerStore): }, ) + # ensure we have a push_rules_enable row + # enabledness defaults to true + if isinstance(self.database_engine, PostgresEngine): + sql = """ + INSERT INTO push_rules_enable (id, user_name, rule_id, enabled) + VALUES (?, ?, ?, ?) + ON CONFLICT DO NOTHING + """ + elif isinstance(self.database_engine, Sqlite3Engine): + sql = """ + INSERT OR IGNORE INTO push_rules_enable (id, user_name, rule_id, enabled) + VALUES (?, ?, ?, ?) + """ + else: + raise RuntimeError("Unknown database engine") + + new_enable_id = self._push_rules_enable_id_gen.get_next() + txn.execute(sql, (new_enable_id, user_id, rule_id, 1)) + async def delete_push_rule(self, user_id: str, rule_id: str) -> None: """ Delete a push rule. Args specify the row to be deleted and can be @@ -552,6 +572,12 @@ class PushRuleStore(PushRulesWorkerStore): """ def delete_push_rule_txn(txn, stream_id, event_stream_ordering): + # we don't use simple_delete_one_txn because that would fail if the + # user did not have a push_rule_enable row. + self.db_pool.simple_delete_txn( + txn, "push_rules_enable", {"user_name": user_id, "rule_id": rule_id} + ) + self.db_pool.simple_delete_one_txn( txn, "push_rules", {"user_name": user_id, "rule_id": rule_id} ) @@ -570,10 +596,29 @@ class PushRuleStore(PushRulesWorkerStore): event_stream_ordering, ) - async def set_push_rule_enabled(self, user_id, rule_id, enabled) -> None: + async def set_push_rule_enabled( + self, user_id: str, rule_id: str, enabled: bool, is_default_rule: bool + ) -> None: + """ + Sets the `enabled` state of a push rule. + + Args: + user_id: the user ID of the user who wishes to enable/disable the rule + e.g. '@tina:example.org' + rule_id: the full rule ID of the rule to be enabled/disabled + e.g. 'global/override/.m.rule.roomnotif' + or 'global/override/myCustomRule' + enabled: True if the rule is to be enabled, False if it is to be + disabled + is_default_rule: True if and only if this is a server-default rule. + This skips the check for existence (as only user-created rules + are always stored in the database `push_rules` table). + + Raises: + NotFoundError if the rule does not exist. + """ with await self._push_rules_stream_id_gen.get_next() as stream_id: event_stream_ordering = self._stream_id_gen.get_current_token() - await self.db_pool.runInteraction( "_set_push_rule_enabled_txn", self._set_push_rule_enabled_txn, @@ -582,12 +627,47 @@ class PushRuleStore(PushRulesWorkerStore): user_id, rule_id, enabled, + is_default_rule, ) def _set_push_rule_enabled_txn( - self, txn, stream_id, event_stream_ordering, user_id, rule_id, enabled + self, + txn, + stream_id, + event_stream_ordering, + user_id, + rule_id, + enabled, + is_default_rule, ): new_id = self._push_rules_enable_id_gen.get_next() + + if not is_default_rule: + # first check it exists; we need to lock for key share so that a + # transaction that deletes the push rule will conflict with this one. + # We also need a push_rule_enable row to exist for every push_rules + # row, otherwise it is possible to simultaneously delete a push rule + # (that has no _enable row) and enable it, resulting in a dangling + # _enable row. To solve this: we either need to use SERIALISABLE or + # ensure we always have a push_rule_enable row for every push_rule + # row. We chose the latter. + for_key_share = "FOR KEY SHARE" + if not isinstance(self.database_engine, PostgresEngine): + # For key share is not applicable/available on SQLite + for_key_share = "" + sql = ( + """ + SELECT 1 FROM push_rules + WHERE user_name = ? AND rule_id = ? + %s + """ + % for_key_share + ) + txn.execute(sql, (user_id, rule_id)) + if txn.fetchone() is None: + # needed to set NOT_FOUND code. + raise NotFoundError("Push rule does not exist.") + self.db_pool.simple_upsert_txn( txn, "push_rules_enable", @@ -606,8 +686,30 @@ class PushRuleStore(PushRulesWorkerStore): ) async def set_push_rule_actions( - self, user_id, rule_id, actions, is_default_rule + self, + user_id: str, + rule_id: str, + actions: List[Union[dict, str]], + is_default_rule: bool, ) -> None: + """ + Sets the `actions` state of a push rule. + + Will throw NotFoundError if the rule does not exist; the Code for this + is NOT_FOUND. + + Args: + user_id: the user ID of the user who wishes to enable/disable the rule + e.g. '@tina:example.org' + rule_id: the full rule ID of the rule to be enabled/disabled + e.g. 'global/override/.m.rule.roomnotif' + or 'global/override/myCustomRule' + actions: A list of actions (each action being a dict or string), + e.g. ["notify", {"set_tweak": "highlight", "value": false}] + is_default_rule: True if and only if this is a server-default rule. + This skips the check for existence (as only user-created rules + are always stored in the database `push_rules` table). + """ actions_json = json_encoder.encode(actions) def set_push_rule_actions_txn(txn, stream_id, event_stream_ordering): @@ -629,12 +731,19 @@ class PushRuleStore(PushRulesWorkerStore): update_stream=False, ) else: - self.db_pool.simple_update_one_txn( - txn, - "push_rules", - {"user_name": user_id, "rule_id": rule_id}, - {"actions": actions_json}, - ) + try: + self.db_pool.simple_update_one_txn( + txn, + "push_rules", + {"user_name": user_id, "rule_id": rule_id}, + {"actions": actions_json}, + ) + except StoreError as serr: + if serr.code == 404: + # this sets the NOT_FOUND error Code + raise NotFoundError("Push rule does not exist") + else: + raise self._insert_push_rules_update_txn( txn, diff --git a/synapse/storage/databases/main/room.py b/synapse/storage/databases/main/room.py index 717df97301..127588ce4c 100644 --- a/synapse/storage/databases/main/room.py +++ b/synapse/storage/databases/main/room.py @@ -104,7 +104,8 @@ class RoomWorkerStore(SQLBaseStore): curr.local_users_in_room AS joined_local_members, rooms.room_version AS version, rooms.creator, state.encryption, state.is_federatable AS federatable, rooms.is_public AS public, state.join_rules, state.guest_access, - state.history_visibility, curr.current_state_events AS state_events + state.history_visibility, curr.current_state_events AS state_events, + state.avatar, state.topic FROM rooms LEFT JOIN room_stats_state state USING (room_id) LEFT JOIN room_stats_current curr USING (room_id) diff --git a/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.postgres b/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.postgres new file mode 100644 index 0000000000..b64926e9c9 --- /dev/null +++ b/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.postgres @@ -0,0 +1,33 @@ +/* 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. + */ + +/* + * This adds the method to the unique key constraint of the thumbnail databases. + * Otherwise you can't have a scaled and a cropped thumbnail with the same + * resolution, which happens quite often with dynamic thumbnailing. + * This is the postgres specific migration modifying the table with a background + * migration. + */ + +-- add new index that includes method to local media +INSERT INTO background_updates (update_name, progress_json) VALUES + ('local_media_repository_thumbnails_method_idx', '{}'); + +-- add new index that includes method to remote media +INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES + ('remote_media_repository_thumbnails_method_idx', '{}', 'local_media_repository_thumbnails_method_idx'); + +-- drop old index +INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES + ('media_repository_drop_index_wo_method', '{}', 'remote_media_repository_thumbnails_method_idx'); + diff --git a/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.sqlite b/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.sqlite new file mode 100644 index 0000000000..1d0c04b53a --- /dev/null +++ b/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.sqlite @@ -0,0 +1,44 @@ +/* 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. + */ + +/* + * This adds the method to the unique key constraint of the thumbnail databases. + * Otherwise you can't have a scaled and a cropped thumbnail with the same + * resolution, which happens quite often with dynamic thumbnailing. + * This is a sqlite specific migration, since sqlite can't modify the unique + * constraint of a table without recreating it. + */ + +CREATE TABLE local_media_repository_thumbnails_new ( media_id TEXT, thumbnail_width INTEGER, thumbnail_height INTEGER, thumbnail_type TEXT, thumbnail_method TEXT, thumbnail_length INTEGER, UNIQUE ( media_id, thumbnail_width, thumbnail_height, thumbnail_type, thumbnail_method ) ); + +INSERT INTO local_media_repository_thumbnails_new + SELECT media_id, thumbnail_width, thumbnail_height, thumbnail_type, thumbnail_method, thumbnail_length + FROM local_media_repository_thumbnails; + +DROP TABLE local_media_repository_thumbnails; + +ALTER TABLE local_media_repository_thumbnails_new RENAME TO local_media_repository_thumbnails; + +CREATE INDEX local_media_repository_thumbnails_media_id ON local_media_repository_thumbnails (media_id); + + + +CREATE TABLE IF NOT EXISTS remote_media_cache_thumbnails_new ( media_origin TEXT, media_id TEXT, thumbnail_width INTEGER, thumbnail_height INTEGER, thumbnail_method TEXT, thumbnail_type TEXT, thumbnail_length INTEGER, filesystem_id TEXT, UNIQUE ( media_origin, media_id, thumbnail_width, thumbnail_height, thumbnail_type, thumbnail_method ) ); + +INSERT INTO remote_media_cache_thumbnails_new + SELECT media_origin, media_id, thumbnail_width, thumbnail_height, thumbnail_method, thumbnail_type, thumbnail_length, filesystem_id + FROM remote_media_cache_thumbnails; + +DROP TABLE remote_media_cache_thumbnails; + +ALTER TABLE remote_media_cache_thumbnails_new RENAME TO remote_media_cache_thumbnails; diff --git a/synapse/storage/databases/main/schema/delta/58/10_pushrules_enabled_delete_obsolete.sql b/synapse/storage/databases/main/schema/delta/58/10_pushrules_enabled_delete_obsolete.sql new file mode 100644 index 0000000000..847aebd85e --- /dev/null +++ b/synapse/storage/databases/main/schema/delta/58/10_pushrules_enabled_delete_obsolete.sql @@ -0,0 +1,28 @@ +/* Copyright 2020 The Matrix.org Foundation C.I.C. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + Delete stuck 'enabled' bits that correspond to deleted or non-existent push rules. + We ignore rules that are server-default rules because they are not defined + in the `push_rules` table. +**/ + +DELETE FROM push_rules_enable WHERE + rule_id NOT LIKE 'global/%/.m.rule.%' + AND NOT EXISTS ( + SELECT 1 FROM push_rules + WHERE push_rules.user_name = push_rules_enable.user_name + AND push_rules.rule_id = push_rules_enable.rule_id + ); diff --git a/synapse/storage/databases/main/schema/delta/58/14events_instance_name.sql b/synapse/storage/databases/main/schema/delta/58/14events_instance_name.sql new file mode 100644 index 0000000000..98ff76d709 --- /dev/null +++ b/synapse/storage/databases/main/schema/delta/58/14events_instance_name.sql @@ -0,0 +1,16 @@ +/* Copyright 2020 The Matrix.org Foundation C.I.C. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +ALTER TABLE events ADD COLUMN instance_name TEXT; diff --git a/synapse/storage/databases/main/schema/delta/58/14events_instance_name.sql.postgres b/synapse/storage/databases/main/schema/delta/58/14events_instance_name.sql.postgres new file mode 100644 index 0000000000..97c1e6a0c5 --- /dev/null +++ b/synapse/storage/databases/main/schema/delta/58/14events_instance_name.sql.postgres @@ -0,0 +1,26 @@ +/* Copyright 2020 The Matrix.org Foundation C.I.C. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +CREATE SEQUENCE IF NOT EXISTS events_stream_seq; + +SELECT setval('events_stream_seq', ( + SELECT COALESCE(MAX(stream_ordering), 1) FROM events +)); + +CREATE SEQUENCE IF NOT EXISTS events_backfill_stream_seq; + +SELECT setval('events_backfill_stream_seq', ( + SELECT COALESCE(-MIN(stream_ordering), 1) FROM events +)); diff --git a/synapse/storage/databases/main/schema/delta/58/15_catchup_destination_rooms.sql b/synapse/storage/databases/main/schema/delta/58/15_catchup_destination_rooms.sql new file mode 100644 index 0000000000..ebfbed7925 --- /dev/null +++ b/synapse/storage/databases/main/schema/delta/58/15_catchup_destination_rooms.sql @@ -0,0 +1,42 @@ +/* Copyright 2020 The Matrix.org Foundation C.I.C + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +-- This schema delta alters the schema to enable 'catching up' remote homeservers +-- after there has been a connectivity problem for any reason. + +-- This stores, for each (destination, room) pair, the stream_ordering of the +-- latest event for that destination. +CREATE TABLE IF NOT EXISTS destination_rooms ( + -- the destination in question. + destination TEXT NOT NULL REFERENCES destinations (destination), + -- the ID of the room in question + room_id TEXT NOT NULL REFERENCES rooms (room_id), + -- the stream_ordering of the event + stream_ordering BIGINT NOT NULL, + PRIMARY KEY (destination, room_id) + -- We don't declare a foreign key on stream_ordering here because that'd mean + -- we'd need to either maintain an index (expensive) or do a table scan of + -- destination_rooms whenever we delete an event (also potentially expensive). + -- In addition to that, a foreign key on stream_ordering would be redundant + -- as this row doesn't need to refer to a specific event; if the event gets + -- deleted then it doesn't affect the validity of the stream_ordering here. +); + +-- This index is needed to make it so that a deletion of a room (in the rooms +-- table) can be efficient, as otherwise a table scan would need to be performed +-- to check that no destination_rooms rows point to the room to be deleted. +-- Also: it makes it efficient to delete all the entries for a given room ID, +-- such as when purging a room. +CREATE INDEX IF NOT EXISTS destination_rooms_room_id + ON destination_rooms (room_id); diff --git a/synapse/storage/databases/main/schema/delta/58/16populate_stats_process_rooms_fix.sql b/synapse/storage/databases/main/schema/delta/58/16populate_stats_process_rooms_fix.sql new file mode 100644 index 0000000000..55f5d0f732 --- /dev/null +++ b/synapse/storage/databases/main/schema/delta/58/16populate_stats_process_rooms_fix.sql @@ -0,0 +1,22 @@ +/* Copyright 2020 The Matrix.org Foundation C.I.C. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +-- This delta file fixes a regression introduced by 58/12room_stats.sql, removing the hacky +-- populate_stats_process_rooms_2 background job and restores the functionality under the +-- original name. +-- See https://github.com/matrix-org/synapse/issues/8238 for details + +DELETE FROM background_updates WHERE update_name = 'populate_stats_process_rooms'; +UPDATE background_updates SET update_name = 'populate_stats_process_rooms' + WHERE update_name = 'populate_stats_process_rooms_2'; diff --git a/synapse/storage/databases/main/schema/delta/58/17_catchup_last_successful.sql b/synapse/storage/databases/main/schema/delta/58/17_catchup_last_successful.sql new file mode 100644 index 0000000000..a67aa5e500 --- /dev/null +++ b/synapse/storage/databases/main/schema/delta/58/17_catchup_last_successful.sql @@ -0,0 +1,21 @@ +/* Copyright 2020 The Matrix.org Foundation C.I.C + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +-- This column tracks the stream_ordering of the event that was most recently +-- successfully transmitted to the destination. +-- A value of NULL means that we have not sent an event successfully yet +-- (at least, not since the introduction of this column). +ALTER TABLE destinations + ADD COLUMN last_successful_stream_ordering BIGINT; diff --git a/synapse/storage/databases/main/stats.py b/synapse/storage/databases/main/stats.py index 55a250ef06..30840dbbaa 100644 --- a/synapse/storage/databases/main/stats.py +++ b/synapse/storage/databases/main/stats.py @@ -74,9 +74,6 @@ class StatsStore(StateDeltasStore): "populate_stats_process_rooms", self._populate_stats_process_rooms ) self.db_pool.updates.register_background_update_handler( - "populate_stats_process_rooms_2", self._populate_stats_process_rooms_2 - ) - self.db_pool.updates.register_background_update_handler( "populate_stats_process_users", self._populate_stats_process_users ) # we no longer need to perform clean-up, but we will give ourselves @@ -148,31 +145,10 @@ class StatsStore(StateDeltasStore): return len(users_to_work_on) async def _populate_stats_process_rooms(self, progress, batch_size): - """ - This was a background update which regenerated statistics for rooms. - - It has been replaced by StatsStore._populate_stats_process_rooms_2. This background - job has been scheduled to run as part of Synapse v1.0.0, and again now. To ensure - someone upgrading from <v1.0.0, this background task has been turned into a no-op - so that the potentially expensive task is not run twice. - - Further context: https://github.com/matrix-org/synapse/pull/7977 - """ - await self.db_pool.updates._end_background_update( - "populate_stats_process_rooms" - ) - return 1 - - async def _populate_stats_process_rooms_2(self, progress, batch_size): - """ - This is a background update which regenerates statistics for rooms. - - It replaces StatsStore._populate_stats_process_rooms. See its docstring for the - reasoning. - """ + """This is a background update which regenerates statistics for rooms.""" if not self.stats_enabled: await self.db_pool.updates._end_background_update( - "populate_stats_process_rooms_2" + "populate_stats_process_rooms" ) return 1 @@ -189,13 +165,13 @@ class StatsStore(StateDeltasStore): return [r for r, in txn] rooms_to_work_on = await self.db_pool.runInteraction( - "populate_stats_rooms_2_get_batch", _get_next_batch + "populate_stats_rooms_get_batch", _get_next_batch ) # No more rooms -- complete the transaction. if not rooms_to_work_on: await self.db_pool.updates._end_background_update( - "populate_stats_process_rooms_2" + "populate_stats_process_rooms" ) return 1 @@ -204,9 +180,9 @@ class StatsStore(StateDeltasStore): progress["last_room_id"] = room_id await self.db_pool.runInteraction( - "_populate_stats_process_rooms_2", + "_populate_stats_process_rooms", self.db_pool.updates._background_update_progress_txn, - "populate_stats_process_rooms_2", + "populate_stats_process_rooms", progress, ) diff --git a/synapse/storage/databases/main/stream.py b/synapse/storage/databases/main/stream.py index be6df8a6d1..2e95518752 100644 --- a/synapse/storage/databases/main/stream.py +++ b/synapse/storage/databases/main/stream.py @@ -79,8 +79,8 @@ _EventDictReturn = namedtuple( def generate_pagination_where_clause( direction: str, column_names: Tuple[str, str], - from_token: Optional[Tuple[int, int]], - to_token: Optional[Tuple[int, int]], + from_token: Optional[Tuple[Optional[int], int]], + to_token: Optional[Tuple[Optional[int], int]], engine: BaseDatabaseEngine, ) -> str: """Creates an SQL expression to bound the columns by the pagination @@ -310,11 +310,11 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): async def get_room_events_stream_for_rooms( self, room_ids: Collection[str], - from_key: str, - to_key: str, + from_key: RoomStreamToken, + to_key: RoomStreamToken, limit: int = 0, order: str = "DESC", - ) -> Dict[str, Tuple[List[EventBase], str]]: + ) -> Dict[str, Tuple[List[EventBase], RoomStreamToken]]: """Get new room events in stream ordering since `from_key`. Args: @@ -333,9 +333,9 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): - list of recent events in the room - stream ordering key for the start of the chunk of events returned. """ - from_id = RoomStreamToken.parse_stream_token(from_key).stream - - room_ids = self._events_stream_cache.get_entities_changed(room_ids, from_id) + room_ids = self._events_stream_cache.get_entities_changed( + room_ids, from_key.stream + ) if not room_ids: return {} @@ -364,16 +364,12 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): return results def get_rooms_that_changed( - self, room_ids: Collection[str], from_key: str + self, room_ids: Collection[str], from_key: RoomStreamToken ) -> Set[str]: """Given a list of rooms and a token, return rooms where there may have been changes. - - Args: - room_ids - from_key: The room_key portion of a StreamToken """ - from_id = RoomStreamToken.parse_stream_token(from_key).stream + from_id = from_key.stream return { room_id for room_id in room_ids @@ -383,11 +379,11 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): async def get_room_events_stream_for_room( self, room_id: str, - from_key: str, - to_key: str, + from_key: RoomStreamToken, + to_key: RoomStreamToken, limit: int = 0, order: str = "DESC", - ) -> Tuple[List[EventBase], str]: + ) -> Tuple[List[EventBase], RoomStreamToken]: """Get new room events in stream ordering since `from_key`. Args: @@ -408,8 +404,8 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): if from_key == to_key: return [], from_key - from_id = RoomStreamToken.parse_stream_token(from_key).stream - to_id = RoomStreamToken.parse_stream_token(to_key).stream + from_id = from_key.stream + to_id = to_key.stream has_changed = self._events_stream_cache.has_entity_changed(room_id, from_id) @@ -441,7 +437,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): ret.reverse() if rows: - key = "s%d" % min(r.stream_ordering for r in rows) + key = RoomStreamToken(None, min(r.stream_ordering for r in rows)) else: # Assume we didn't get anything because there was nothing to # get. @@ -450,10 +446,10 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): return ret, key async def get_membership_changes_for_user( - self, user_id: str, from_key: str, to_key: str + self, user_id: str, from_key: RoomStreamToken, to_key: RoomStreamToken ) -> List[EventBase]: - from_id = RoomStreamToken.parse_stream_token(from_key).stream - to_id = RoomStreamToken.parse_stream_token(to_key).stream + from_id = from_key.stream + to_id = to_key.stream if from_key == to_key: return [] @@ -491,8 +487,8 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): return ret async def get_recent_events_for_room( - self, room_id: str, limit: int, end_token: str - ) -> Tuple[List[EventBase], str]: + self, room_id: str, limit: int, end_token: RoomStreamToken + ) -> Tuple[List[EventBase], RoomStreamToken]: """Get the most recent events in the room in topological ordering. Args: @@ -518,8 +514,8 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): return (events, token) async def get_recent_event_ids_for_room( - self, room_id: str, limit: int, end_token: str - ) -> Tuple[List[_EventDictReturn], str]: + self, room_id: str, limit: int, end_token: RoomStreamToken + ) -> Tuple[List[_EventDictReturn], RoomStreamToken]: """Get the most recent events in the room in topological ordering. Args: @@ -535,8 +531,6 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): if limit == 0: return [], end_token - end_token = RoomStreamToken.parse(end_token) - rows, token = await self.db_pool.runInteraction( "get_recent_event_ids_for_room", self._paginate_room_events_txn, @@ -619,17 +613,17 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): allow_none=allow_none, ) - async def get_stream_token_for_event(self, event_id: str) -> str: + async def get_stream_token_for_event(self, event_id: str) -> RoomStreamToken: """The stream token for an event Args: event_id: The id of the event to look up a stream token for. Raises: StoreError if the event wasn't in the database. Returns: - A "s%d" stream token. + A stream token. """ stream_id = await self.get_stream_id_for_event(event_id) - return "s%d" % (stream_id,) + return RoomStreamToken(None, stream_id) async def get_topological_token_for_event(self, event_id: str) -> str: """The stream token for an event @@ -954,7 +948,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): direction: str = "b", limit: int = -1, event_filter: Optional[Filter] = None, - ) -> Tuple[List[_EventDictReturn], str]: + ) -> Tuple[List[_EventDictReturn], RoomStreamToken]: """Returns list of events before or after a given token. Args: @@ -989,8 +983,8 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): bounds = generate_pagination_where_clause( direction=direction, column_names=("topological_ordering", "stream_ordering"), - from_token=from_token, - to_token=to_token, + from_token=from_token.as_tuple(), + to_token=to_token.as_tuple() if to_token else None, engine=self.database_engine, ) @@ -1054,17 +1048,17 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): # TODO (erikj): We should work out what to do here instead. next_token = to_token if to_token else from_token - return rows, str(next_token) + return rows, next_token async def paginate_room_events( self, room_id: str, - from_key: str, - to_key: Optional[str] = None, + from_key: RoomStreamToken, + to_key: Optional[RoomStreamToken] = None, direction: str = "b", limit: int = -1, event_filter: Optional[Filter] = None, - ) -> Tuple[List[EventBase], str]: + ) -> Tuple[List[EventBase], RoomStreamToken]: """Returns list of events before or after a given token. Args: @@ -1083,10 +1077,6 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): and `to_key`). """ - from_key = RoomStreamToken.parse(from_key) - if to_key: - to_key = RoomStreamToken.parse(to_key) - rows, token = await self.db_pool.runInteraction( "paginate_room_events", self._paginate_room_events_txn, diff --git a/synapse/storage/databases/main/transactions.py b/synapse/storage/databases/main/transactions.py index 5b31aab700..091367006e 100644 --- a/synapse/storage/databases/main/transactions.py +++ b/synapse/storage/databases/main/transactions.py @@ -15,13 +15,14 @@ import logging from collections import namedtuple -from typing import Optional, Tuple +from typing import Iterable, List, Optional, Tuple from canonicaljson import encode_canonical_json from synapse.metrics.background_process_metrics import run_as_background_process from synapse.storage._base import SQLBaseStore, db_to_json -from synapse.storage.database import DatabasePool +from synapse.storage.database import DatabasePool, LoggingTransaction +from synapse.storage.engines import PostgresEngine, Sqlite3Engine from synapse.types import JsonDict from synapse.util.caches.expiringcache import ExpiringCache @@ -164,7 +165,9 @@ class TransactionStore(SQLBaseStore): allow_none=True, ) - if result and result["retry_last_ts"] > 0: + # check we have a row and retry_last_ts is not null or zero + # (retry_last_ts can't be negative) + if result and result["retry_last_ts"]: return result else: return None @@ -273,3 +276,139 @@ class TransactionStore(SQLBaseStore): await self.db_pool.runInteraction( "_cleanup_transactions", _cleanup_transactions_txn ) + + async def store_destination_rooms_entries( + self, destinations: Iterable[str], room_id: str, stream_ordering: int, + ) -> None: + """ + Updates or creates `destination_rooms` entries in batch for a single event. + + Args: + destinations: list of destinations + room_id: the room_id of the event + stream_ordering: the stream_ordering of the event + """ + + return await self.db_pool.runInteraction( + "store_destination_rooms_entries", + self._store_destination_rooms_entries_txn, + destinations, + room_id, + stream_ordering, + ) + + def _store_destination_rooms_entries_txn( + self, + txn: LoggingTransaction, + destinations: Iterable[str], + room_id: str, + stream_ordering: int, + ) -> None: + + # ensure we have a `destinations` row for this destination, as there is + # a foreign key constraint. + if isinstance(self.database_engine, PostgresEngine): + q = """ + INSERT INTO destinations (destination) + VALUES (?) + ON CONFLICT DO NOTHING; + """ + elif isinstance(self.database_engine, Sqlite3Engine): + q = """ + INSERT OR IGNORE INTO destinations (destination) + VALUES (?); + """ + else: + raise RuntimeError("Unknown database engine") + + txn.execute_batch(q, ((destination,) for destination in destinations)) + + rows = [(destination, room_id) for destination in destinations] + + self.db_pool.simple_upsert_many_txn( + txn, + "destination_rooms", + ["destination", "room_id"], + rows, + ["stream_ordering"], + [(stream_ordering,)] * len(rows), + ) + + async def get_destination_last_successful_stream_ordering( + self, destination: str + ) -> Optional[int]: + """ + Gets the stream ordering of the PDU most-recently successfully sent + to the specified destination, or None if this information has not been + tracked yet. + + Args: + destination: the destination to query + """ + return await self.db_pool.simple_select_one_onecol( + "destinations", + {"destination": destination}, + "last_successful_stream_ordering", + allow_none=True, + desc="get_last_successful_stream_ordering", + ) + + async def set_destination_last_successful_stream_ordering( + self, destination: str, last_successful_stream_ordering: int + ) -> None: + """ + Marks that we have successfully sent the PDUs up to and including the + one specified. + + Args: + destination: the destination we have successfully sent to + last_successful_stream_ordering: the stream_ordering of the most + recent successfully-sent PDU + """ + return await self.db_pool.simple_upsert( + "destinations", + keyvalues={"destination": destination}, + values={"last_successful_stream_ordering": last_successful_stream_ordering}, + desc="set_last_successful_stream_ordering", + ) + + async def get_catch_up_room_event_ids( + self, destination: str, last_successful_stream_ordering: int, + ) -> List[str]: + """ + Returns at most 50 event IDs and their corresponding stream_orderings + that correspond to the oldest events that have not yet been sent to + the destination. + + Args: + destination: the destination in question + last_successful_stream_ordering: the stream_ordering of the + most-recently successfully-transmitted event to the destination + + Returns: + list of event_ids + """ + return await self.db_pool.runInteraction( + "get_catch_up_room_event_ids", + self._get_catch_up_room_event_ids_txn, + destination, + last_successful_stream_ordering, + ) + + @staticmethod + def _get_catch_up_room_event_ids_txn( + txn, destination: str, last_successful_stream_ordering: int, + ) -> List[str]: + q = """ + SELECT event_id FROM destination_rooms + JOIN events USING (stream_ordering) + WHERE destination = ? + AND stream_ordering > ? + ORDER BY stream_ordering + LIMIT 50 + """ + txn.execute( + q, (destination, last_successful_stream_ordering), + ) + event_ids = [row[0] for row in txn] + return event_ids diff --git a/synapse/storage/databases/main/ui_auth.py b/synapse/storage/databases/main/ui_auth.py index b89668d561..3b9211a6d2 100644 --- a/synapse/storage/databases/main/ui_auth.py +++ b/synapse/storage/databases/main/ui_auth.py @@ -23,7 +23,7 @@ from synapse.types import JsonDict from synapse.util import json_encoder, stringutils -@attr.s +@attr.s(slots=True) class UIAuthSessionData: session_id = attr.ib(type=str) # The dictionary from the client root level, not the 'auth' key. diff --git a/synapse/storage/persist_events.py b/synapse/storage/persist_events.py index dbaeef91dd..d89f6ed128 100644 --- a/synapse/storage/persist_events.py +++ b/synapse/storage/persist_events.py @@ -18,7 +18,7 @@ import itertools import logging from collections import deque, namedtuple -from typing import Iterable, List, Optional, Set, Tuple +from typing import Dict, Iterable, List, Optional, Set, Tuple from prometheus_client import Counter, Histogram @@ -31,7 +31,7 @@ from synapse.logging.context import PreserveLoggingContext, make_deferred_yielda from synapse.metrics.background_process_metrics import run_as_background_process from synapse.storage.databases import Databases from synapse.storage.databases.main.events import DeltaState -from synapse.types import StateMap +from synapse.types import Collection, StateMap from synapse.util.async_helpers import ObservableDeferred from synapse.util.metrics import Measure @@ -185,6 +185,8 @@ class EventsPersistenceStorage: # store for now. self.main_store = stores.main self.state_store = stores.state + + assert stores.persist_events self.persist_events_store = stores.persist_events self._clock = hs.get_clock() @@ -208,7 +210,7 @@ class EventsPersistenceStorage: Returns: the stream ordering of the latest persisted event """ - partitioned = {} + partitioned = {} # type: Dict[str, List[Tuple[EventBase, EventContext]]] for event, ctx in events_and_contexts: partitioned.setdefault(event.room_id, []).append((event, ctx)) @@ -305,7 +307,9 @@ class EventsPersistenceStorage: # Work out the new "current state" for each room. # We do this by working out what the new extremities are and then # calculating the state from that. - events_by_room = {} + events_by_room = ( + {} + ) # type: Dict[str, List[Tuple[EventBase, EventContext]]] for event, context in chunk: events_by_room.setdefault(event.room_id, []).append( (event, context) @@ -436,7 +440,7 @@ class EventsPersistenceStorage: self, room_id: str, event_contexts: List[Tuple[EventBase, EventContext]], - latest_event_ids: List[str], + latest_event_ids: Collection[str], ): """Calculates the new forward extremities for a room given events to persist. @@ -470,7 +474,7 @@ class EventsPersistenceStorage: # Remove any events which are prev_events of any existing events. existing_prevs = await self.persist_events_store._get_events_which_are_prevs( result - ) + ) # type: Collection[str] result.difference_update(existing_prevs) # Finally handle the case where the new events have soft-failed prev diff --git a/synapse/storage/prepare_database.py b/synapse/storage/prepare_database.py index ee60e2a718..4957e77f4c 100644 --- a/synapse/storage/prepare_database.py +++ b/synapse/storage/prepare_database.py @@ -19,12 +19,15 @@ import logging import os import re from collections import Counter -from typing import TextIO +from typing import Optional, TextIO import attr +from synapse.config.homeserver import HomeServerConfig +from synapse.storage.engines import BaseDatabaseEngine from synapse.storage.engines.postgres import PostgresEngine -from synapse.storage.types import Cursor +from synapse.storage.types import Connection, Cursor +from synapse.types import Collection logger = logging.getLogger(__name__) @@ -63,7 +66,12 @@ UNAPPLIED_DELTA_ON_WORKER_ERROR = ( ) -def prepare_database(db_conn, database_engine, config, databases=["main", "state"]): +def prepare_database( + db_conn: Connection, + database_engine: BaseDatabaseEngine, + config: Optional[HomeServerConfig], + databases: Collection[str] = ["main", "state"], +): """Prepares a physical database for usage. Will either create all necessary tables or upgrade from an older schema version. @@ -73,16 +81,24 @@ def prepare_database(db_conn, database_engine, config, databases=["main", "state Args: db_conn: database_engine: - config (synapse.config.homeserver.HomeServerConfig|None): + config : application config, or None if we are connecting to an existing database which we expect to be configured already - databases (list[str]): The name of the databases that will be used + databases: The name of the databases that will be used with this physical database. Defaults to all databases. """ try: cur = db_conn.cursor() + # sqlite does not automatically start transactions for DDL / SELECT statements, + # so we start one before running anything. This ensures that any upgrades + # are either applied completely, or not at all. + # + # (psycopg2 automatically starts a transaction as soon as we run any statements + # at all, so this is redundant but harmless there.) + cur.execute("BEGIN TRANSACTION") + logger.info("%r: Checking existing schema version", databases) version_info = _get_or_create_schema_state(cur, database_engine) @@ -622,7 +638,7 @@ def _get_or_create_schema_state(txn, database_engine): return None -@attr.s() +@attr.s(slots=True) class _DirectoryListing: """Helper class to store schema file name and the absolute path to it. diff --git a/synapse/storage/relations.py b/synapse/storage/relations.py index d30e3f11e7..cec96ad6a7 100644 --- a/synapse/storage/relations.py +++ b/synapse/storage/relations.py @@ -22,7 +22,7 @@ from synapse.api.errors import SynapseError logger = logging.getLogger(__name__) -@attr.s +@attr.s(slots=True) class PaginationChunk: """Returned by relation pagination APIs. diff --git a/synapse/storage/util/id_generators.py b/synapse/storage/util/id_generators.py index b7eb4f8ac9..1de2b91587 100644 --- a/synapse/storage/util/id_generators.py +++ b/synapse/storage/util/id_generators.py @@ -224,6 +224,10 @@ class MultiWriterIdGenerator: # should be less than the minimum of this set (if not empty). self._unfinished_ids = set() # type: Set[int] + # Set of local IDs that we've processed that are larger than the current + # position, due to there being smaller unpersisted IDs. + self._finished_ids = set() # type: Set[int] + # We track the max position where we know everything before has been # persisted. This is done by a) looking at the min across all instances # and b) noting that if we have seen a run of persisted positions @@ -236,8 +240,12 @@ class MultiWriterIdGenerator: # gaps should be relatively rare it's still worth doing the book keeping # that allows us to skip forwards when there are gapless runs of # positions. + # + # We start at 1 here as a) the first generated stream ID will be 2, and + # b) other parts of the code assume that stream IDs are strictly greater + # than 0. self._persisted_upto_position = ( - min(self._current_positions.values()) if self._current_positions else 0 + min(self._current_positions.values()) if self._current_positions else 1 ) self._known_persisted_positions = [] # type: List[int] @@ -348,17 +356,44 @@ class MultiWriterIdGenerator: def _mark_id_as_finished(self, next_id: int): """The ID has finished being processed so we should advance the - current poistion if possible. + current position if possible. """ with self._lock: self._unfinished_ids.discard(next_id) + self._finished_ids.add(next_id) + + new_cur = None + + if self._unfinished_ids: + # If there are unfinished IDs then the new position will be the + # largest finished ID less than the minimum unfinished ID. + + finished = set() + + min_unfinshed = min(self._unfinished_ids) + for s in self._finished_ids: + if s < min_unfinshed: + if new_cur is None or new_cur < s: + new_cur = s + else: + finished.add(s) + + # We clear these out since they're now all less than the new + # position. + self._finished_ids = finished + else: + # There are no unfinished IDs so the new position is simply the + # largest finished one. + new_cur = max(self._finished_ids) + + # We clear these out since they're now all less than the new + # position. + self._finished_ids.clear() - # Figure out if its safe to advance the position by checking there - # aren't any lower allocated IDs that are yet to finish. - if all(c > next_id for c in self._unfinished_ids): + if new_cur: curr = self._current_positions.get(self._instance_name, 0) - self._current_positions[self._instance_name] = max(curr, next_id) + self._current_positions[self._instance_name] = max(curr, new_cur) self._add_persisted_position(next_id) @@ -367,9 +402,7 @@ class MultiWriterIdGenerator: equal to it have been successfully persisted. """ - # Currently we don't support this operation, as it's not obvious how to - # condense the stream positions of multiple writers into a single int. - raise NotImplementedError() + return self.get_persisted_upto_position() def get_current_token_for_writer(self, instance_name: str) -> int: """Returns the position of the given writer. @@ -428,7 +461,7 @@ class MultiWriterIdGenerator: # We move the current min position up if the minimum current positions # of all instances is higher (since by definition all positions less # that that have been persisted). - min_curr = min(self._current_positions.values()) + min_curr = min(self._current_positions.values(), default=0) self._persisted_upto_position = max(min_curr, self._persisted_upto_position) # We now iterate through the seen positions, discarding those that are diff --git a/synapse/streams/config.py b/synapse/streams/config.py index d97dc4d101..0bdf846edf 100644 --- a/synapse/streams/config.py +++ b/synapse/streams/config.py @@ -14,9 +14,13 @@ # limitations under the License. import logging +from typing import Optional + +import attr from synapse.api.errors import SynapseError from synapse.http.servlet import parse_integer, parse_string +from synapse.http.site import SynapseRequest from synapse.types import StreamToken logger = logging.getLogger(__name__) @@ -25,38 +29,22 @@ logger = logging.getLogger(__name__) MAX_LIMIT = 1000 -class SourcePaginationConfig: - - """A configuration object which stores pagination parameters for a - specific event source.""" - - def __init__(self, from_key=None, to_key=None, direction="f", limit=None): - self.from_key = from_key - self.to_key = to_key - self.direction = "f" if direction == "f" else "b" - self.limit = min(int(limit), MAX_LIMIT) if limit is not None else None - - def __repr__(self): - return "StreamConfig(from_key=%r, to_key=%r, direction=%r, limit=%r)" % ( - self.from_key, - self.to_key, - self.direction, - self.limit, - ) - - +@attr.s(slots=True) class PaginationConfig: - """A configuration object which stores pagination parameters.""" - def __init__(self, from_token=None, to_token=None, direction="f", limit=None): - self.from_token = from_token - self.to_token = to_token - self.direction = "f" if direction == "f" else "b" - self.limit = min(int(limit), MAX_LIMIT) if limit is not None else None + from_token = attr.ib(type=Optional[StreamToken]) + to_token = attr.ib(type=Optional[StreamToken]) + direction = attr.ib(type=str) + limit = attr.ib(type=Optional[int]) @classmethod - def from_request(cls, request, raise_invalid_params=True, default_limit=None): + def from_request( + cls, + request: SynapseRequest, + raise_invalid_params: bool = True, + default_limit: Optional[int] = None, + ) -> "PaginationConfig": direction = parse_string(request, "dir", default="f", allowed_values=["f", "b"]) from_tok = parse_string(request, "from") @@ -78,8 +66,11 @@ class PaginationConfig: limit = parse_integer(request, "limit", default=default_limit) - if limit and limit < 0: - raise SynapseError(400, "Limit must be 0 or above") + if limit: + if limit < 0: + raise SynapseError(400, "Limit must be 0 or above") + + limit = min(int(limit), MAX_LIMIT) try: return PaginationConfig(from_tok, to_tok, direction, limit) @@ -87,20 +78,10 @@ class PaginationConfig: logger.exception("Failed to create pagination config") raise SynapseError(400, "Invalid request.") - def __repr__(self): + def __repr__(self) -> str: return ("PaginationConfig(from_tok=%r, to_tok=%r, direction=%r, limit=%r)") % ( self.from_token, self.to_token, self.direction, self.limit, ) - - def get_source_config(self, source_name): - keyname = "%s_key" % source_name - - return SourcePaginationConfig( - from_key=getattr(self.from_token, keyname), - to_key=getattr(self.to_token, keyname) if self.to_token else None, - direction=self.direction, - limit=self.limit, - ) diff --git a/synapse/types.py b/synapse/types.py index f7de48f148..dc09448bdc 100644 --- a/synapse/types.py +++ b/synapse/types.py @@ -18,7 +18,7 @@ import re import string import sys from collections import namedtuple -from typing import Any, Dict, Mapping, MutableMapping, Tuple, Type, TypeVar +from typing import Any, Dict, Mapping, MutableMapping, Optional, Tuple, Type, TypeVar import attr from signedjson.key import decode_verify_key_bytes @@ -362,22 +362,81 @@ def map_username_to_mxid_localpart(username, case_sensitive=False): return username.decode("ascii") -class StreamToken( - namedtuple( - "Token", - ( - "room_key", - "presence_key", - "typing_key", - "receipt_key", - "account_data_key", - "push_rules_key", - "to_device_key", - "device_list_key", - "groups_key", - ), +@attr.s(frozen=True, slots=True) +class RoomStreamToken: + """Tokens are positions between events. The token "s1" comes after event 1. + + s0 s1 + | | + [0] V [1] V [2] + + Tokens can either be a point in the live event stream or a cursor going + through historic events. + + When traversing the live event stream events are ordered by when they + arrived at the homeserver. + + When traversing historic events the events are ordered by their depth in + the event graph "topological_ordering" and then by when they arrived at the + homeserver "stream_ordering". + + Live tokens start with an "s" followed by the "stream_ordering" id of the + event it comes after. Historic tokens start with a "t" followed by the + "topological_ordering" id of the event it comes after, followed by "-", + followed by the "stream_ordering" id of the event it comes after. + """ + + topological = attr.ib( + type=Optional[int], + validator=attr.validators.optional(attr.validators.instance_of(int)), ) -): + stream = attr.ib(type=int, validator=attr.validators.instance_of(int)) + + @classmethod + def parse(cls, string: str) -> "RoomStreamToken": + try: + if string[0] == "s": + return cls(topological=None, stream=int(string[1:])) + if string[0] == "t": + parts = string[1:].split("-", 1) + return cls(topological=int(parts[0]), stream=int(parts[1])) + except Exception: + pass + raise SynapseError(400, "Invalid token %r" % (string,)) + + @classmethod + def parse_stream_token(cls, string: str) -> "RoomStreamToken": + try: + if string[0] == "s": + return cls(topological=None, stream=int(string[1:])) + except Exception: + pass + raise SynapseError(400, "Invalid token %r" % (string,)) + + def as_tuple(self) -> Tuple[Optional[int], int]: + return (self.topological, self.stream) + + def __str__(self) -> str: + if self.topological is not None: + return "t%d-%d" % (self.topological, self.stream) + else: + return "s%d" % (self.stream,) + + +@attr.s(slots=True, frozen=True) +class StreamToken: + room_key = attr.ib( + type=RoomStreamToken, validator=attr.validators.instance_of(RoomStreamToken) + ) + presence_key = attr.ib(type=int) + typing_key = attr.ib(type=int) + receipt_key = attr.ib(type=int) + account_data_key = attr.ib(type=int) + push_rules_key = attr.ib(type=int) + to_device_key = attr.ib(type=int) + device_list_key = attr.ib(type=int) + groups_key = attr.ib(type=int) + _SEPARATOR = "_" START = None # type: StreamToken @@ -385,24 +444,19 @@ class StreamToken( def from_string(cls, string): try: keys = string.split(cls._SEPARATOR) - while len(keys) < len(cls._fields): + while len(keys) < len(attr.fields(cls)): # i.e. old token from before receipt_key keys.append("0") - return cls(*keys) + return cls(RoomStreamToken.parse(keys[0]), *(int(k) for k in keys[1:])) except Exception: raise SynapseError(400, "Invalid Token") def to_string(self): - return self._SEPARATOR.join([str(k) for k in self]) + return self._SEPARATOR.join([str(k) for k in attr.astuple(self, recurse=False)]) @property def room_stream_id(self): - # TODO(markjh): Awful hack to work around hacks in the presence tests - # which assume that the keys are integers. - if type(self.room_key) is int: - return self.room_key - else: - return int(self.room_key[1:].split("-")[-1]) + return self.room_key.stream def is_after(self, other): """Does this token contain events that the other doesn't?""" @@ -418,7 +472,7 @@ class StreamToken( or (int(other.groups_key) < int(self.groups_key)) ) - def copy_and_advance(self, key, new_value): + def copy_and_advance(self, key, new_value) -> "StreamToken": """Advance the given key in the token to a new value if and only if the new value is after the old value. """ @@ -434,64 +488,11 @@ class StreamToken( else: return self - def copy_and_replace(self, key, new_value): - return self._replace(**{key: new_value}) - - -StreamToken.START = StreamToken(*(["s0"] + ["0"] * (len(StreamToken._fields) - 1))) - - -class RoomStreamToken(namedtuple("_StreamToken", "topological stream")): - """Tokens are positions between events. The token "s1" comes after event 1. - - s0 s1 - | | - [0] V [1] V [2] - - Tokens can either be a point in the live event stream or a cursor going - through historic events. + def copy_and_replace(self, key, new_value) -> "StreamToken": + return attr.evolve(self, **{key: new_value}) - When traversing the live event stream events are ordered by when they - arrived at the homeserver. - When traversing historic events the events are ordered by their depth in - the event graph "topological_ordering" and then by when they arrived at the - homeserver "stream_ordering". - - Live tokens start with an "s" followed by the "stream_ordering" id of the - event it comes after. Historic tokens start with a "t" followed by the - "topological_ordering" id of the event it comes after, followed by "-", - followed by the "stream_ordering" id of the event it comes after. - """ - - __slots__ = [] # type: list - - @classmethod - def parse(cls, string): - try: - if string[0] == "s": - return cls(topological=None, stream=int(string[1:])) - if string[0] == "t": - parts = string[1:].split("-", 1) - return cls(topological=int(parts[0]), stream=int(parts[1])) - except Exception: - pass - raise SynapseError(400, "Invalid token %r" % (string,)) - - @classmethod - def parse_stream_token(cls, string): - try: - if string[0] == "s": - return cls(topological=None, stream=int(string[1:])) - except Exception: - pass - raise SynapseError(400, "Invalid token %r" % (string,)) - - def __str__(self): - if self.topological is not None: - return "t%d-%d" % (self.topological, self.stream) - else: - return "s%d" % (self.stream,) +StreamToken.START = StreamToken.from_string("s0_0") class ThirdPartyInstanceID( diff --git a/synapse/util/__init__.py b/synapse/util/__init__.py index a13f11f8d8..d55b93d763 100644 --- a/synapse/util/__init__.py +++ b/synapse/util/__init__.py @@ -13,11 +13,11 @@ # See the License for the specific language governing permissions and # limitations under the License. +import json import logging import re import attr -from canonicaljson import json from twisted.internet import defer, task @@ -45,7 +45,7 @@ def unwrapFirstError(failure): return failure.value.subFailure -@attr.s +@attr.s(slots=True) class Clock: """ A Clock wraps a Twisted reactor and provides utilities on top of it. diff --git a/synapse/util/async_helpers.py b/synapse/util/async_helpers.py index bb57e27beb..67ce9a5f39 100644 --- a/synapse/util/async_helpers.py +++ b/synapse/util/async_helpers.py @@ -17,13 +17,25 @@ import collections import logging from contextlib import contextmanager -from typing import Dict, Sequence, Set, Union +from typing import ( + Any, + Callable, + Dict, + Hashable, + Iterable, + List, + Optional, + Set, + TypeVar, + Union, +) import attr from typing_extensions import ContextManager from twisted.internet import defer from twisted.internet.defer import CancelledError +from twisted.internet.interfaces import IReactorTime from twisted.python import failure from synapse.logging.context import ( @@ -54,7 +66,7 @@ class ObservableDeferred: __slots__ = ["_deferred", "_observers", "_result"] - def __init__(self, deferred, consumeErrors=False): + def __init__(self, deferred: defer.Deferred, consumeErrors: bool = False): object.__setattr__(self, "_deferred", deferred) object.__setattr__(self, "_result", None) object.__setattr__(self, "_observers", set()) @@ -111,25 +123,25 @@ class ObservableDeferred: success, res = self._result return defer.succeed(res) if success else defer.fail(res) - def observers(self): + def observers(self) -> List[defer.Deferred]: return self._observers - def has_called(self): + def has_called(self) -> bool: return self._result is not None - def has_succeeded(self): + def has_succeeded(self) -> bool: return self._result is not None and self._result[0] is True - def get_result(self): + def get_result(self) -> Any: return self._result[1] - def __getattr__(self, name): + def __getattr__(self, name: str) -> Any: return getattr(self._deferred, name) - def __setattr__(self, name, value): + def __setattr__(self, name: str, value: Any) -> None: setattr(self._deferred, name, value) - def __repr__(self): + def __repr__(self) -> str: return "<ObservableDeferred object at %s, result=%r, _deferred=%r>" % ( id(self), self._result, @@ -137,18 +149,20 @@ class ObservableDeferred: ) -def concurrently_execute(func, args, limit): - """Executes the function with each argument conncurrently while limiting +def concurrently_execute( + func: Callable, args: Iterable[Any], limit: int +) -> defer.Deferred: + """Executes the function with each argument concurrently while limiting the number of concurrent executions. Args: - func (func): Function to execute, should return a deferred or coroutine. - args (Iterable): List of arguments to pass to func, each invocation of func + func: Function to execute, should return a deferred or coroutine. + args: List of arguments to pass to func, each invocation of func gets a single argument. - limit (int): Maximum number of conccurent executions. + limit: Maximum number of conccurent executions. Returns: - deferred: Resolved when all function invocations have finished. + Deferred[list]: Resolved when all function invocations have finished. """ it = iter(args) @@ -167,14 +181,17 @@ def concurrently_execute(func, args, limit): ).addErrback(unwrapFirstError) -def yieldable_gather_results(func, iter, *args, **kwargs): +def yieldable_gather_results( + func: Callable, iter: Iterable, *args: Any, **kwargs: Any +) -> defer.Deferred: """Executes the function with each argument concurrently. Args: - func (func): Function to execute that returns a Deferred - iter (iter): An iterable that yields items that get passed as the first + func: Function to execute that returns a Deferred + iter: An iterable that yields items that get passed as the first argument to the function *args: Arguments to be passed to each call to func + **kwargs: Keyword arguments to be passed to each call to func Returns Deferred[list]: Resolved when all functions have been invoked, or errors if @@ -188,24 +205,37 @@ def yieldable_gather_results(func, iter, *args, **kwargs): ).addErrback(unwrapFirstError) +@attr.s(slots=True) +class _LinearizerEntry: + # The number of things executing. + count = attr.ib(type=int) + # Deferreds for the things blocked from executing. + deferreds = attr.ib(type=collections.OrderedDict) + + class Linearizer: """Limits concurrent access to resources based on a key. Useful to ensure only a few things happen at a time on a given resource. Example: - with (yield limiter.queue("test_key")): + with await limiter.queue("test_key"): # do some work. """ - def __init__(self, name=None, max_count=1, clock=None): + def __init__( + self, + name: Optional[str] = None, + max_count: int = 1, + clock: Optional[Clock] = None, + ): """ Args: - max_count(int): The maximum number of concurrent accesses + max_count: The maximum number of concurrent accesses """ if name is None: - self.name = id(self) + self.name = id(self) # type: Union[str, int] else: self.name = name @@ -216,15 +246,10 @@ class Linearizer: self._clock = clock self.max_count = max_count - # key_to_defer is a map from the key to a 2 element list where - # the first element is the number of things executing, and - # the second element is an OrderedDict, where the keys are deferreds for the - # things blocked from executing. - self.key_to_defer = ( - {} - ) # type: Dict[str, Sequence[Union[int, Dict[defer.Deferred, int]]]] + # key_to_defer is a map from the key to a _LinearizerEntry. + self.key_to_defer = {} # type: Dict[Hashable, _LinearizerEntry] - def is_queued(self, key) -> bool: + def is_queued(self, key: Hashable) -> bool: """Checks whether there is a process queued up waiting """ entry = self.key_to_defer.get(key) @@ -234,25 +259,27 @@ class Linearizer: # There are waiting deferreds only in the OrderedDict of deferreds is # non-empty. - return bool(entry[1]) + return bool(entry.deferreds) - def queue(self, key): + def queue(self, key: Hashable) -> defer.Deferred: # we avoid doing defer.inlineCallbacks here, so that cancellation works correctly. # (https://twistedmatrix.com/trac/ticket/4632 meant that cancellations were not # propagated inside inlineCallbacks until Twisted 18.7) - entry = self.key_to_defer.setdefault(key, [0, collections.OrderedDict()]) + entry = self.key_to_defer.setdefault( + key, _LinearizerEntry(0, collections.OrderedDict()) + ) # If the number of things executing is greater than the maximum # then add a deferred to the list of blocked items # When one of the things currently executing finishes it will callback # this item so that it can continue executing. - if entry[0] >= self.max_count: + if entry.count >= self.max_count: res = self._await_lock(key) else: logger.debug( "Acquired uncontended linearizer lock %r for key %r", self.name, key ) - entry[0] += 1 + entry.count += 1 res = defer.succeed(None) # once we successfully get the lock, we need to return a context manager which @@ -267,15 +294,15 @@ class Linearizer: # We've finished executing so check if there are any things # blocked waiting to execute and start one of them - entry[0] -= 1 + entry.count -= 1 - if entry[1]: - (next_def, _) = entry[1].popitem(last=False) + if entry.deferreds: + (next_def, _) = entry.deferreds.popitem(last=False) # we need to run the next thing in the sentinel context. with PreserveLoggingContext(): next_def.callback(None) - elif entry[0] == 0: + elif entry.count == 0: # We were the last thing for this key: remove it from the # map. del self.key_to_defer[key] @@ -283,7 +310,7 @@ class Linearizer: res.addCallback(_ctx_manager) return res - def _await_lock(self, key): + def _await_lock(self, key: Hashable) -> defer.Deferred: """Helper for queue: adds a deferred to the queue Assumes that we've already checked that we've reached the limit of the number @@ -298,11 +325,11 @@ class Linearizer: logger.debug("Waiting to acquire linearizer lock %r for key %r", self.name, key) new_defer = make_deferred_yieldable(defer.Deferred()) - entry[1][new_defer] = 1 + entry.deferreds[new_defer] = 1 def cb(_r): logger.debug("Acquired linearizer lock %r for key %r", self.name, key) - entry[0] += 1 + entry.count += 1 # if the code holding the lock completes synchronously, then it # will recursively run the next claimant on the list. That can @@ -331,7 +358,7 @@ class Linearizer: ) # we just have to take ourselves back out of the queue. - del entry[1][new_defer] + del entry.deferreds[new_defer] return e new_defer.addCallbacks(cb, eb) @@ -419,14 +446,22 @@ class ReadWriteLock: return _ctx_manager() -def _cancelled_to_timed_out_error(value, timeout): +R = TypeVar("R") + + +def _cancelled_to_timed_out_error(value: R, timeout: float) -> R: if isinstance(value, failure.Failure): value.trap(CancelledError) raise defer.TimeoutError(timeout, "Deferred") return value -def timeout_deferred(deferred, timeout, reactor, on_timeout_cancel=None): +def timeout_deferred( + deferred: defer.Deferred, + timeout: float, + reactor: IReactorTime, + on_timeout_cancel: Optional[Callable[[Any, float], Any]] = None, +) -> defer.Deferred: """The in built twisted `Deferred.addTimeout` fails to time out deferreds that have a canceller that throws exceptions. This method creates a new deferred that wraps and times out the given deferred, correctly handling @@ -437,10 +472,10 @@ def timeout_deferred(deferred, timeout, reactor, on_timeout_cancel=None): NOTE: Unlike `Deferred.addTimeout`, this function returns a new deferred Args: - deferred (Deferred) - timeout (float): Timeout in seconds - reactor (twisted.interfaces.IReactorTime): The twisted reactor to use - on_timeout_cancel (callable): A callable which is called immediately + deferred: The Deferred to potentially timeout. + timeout: Timeout in seconds + reactor: The twisted reactor to use + on_timeout_cancel: A callable which is called immediately after the deferred times out, and not if this deferred is otherwise cancelled before the timeout. @@ -452,7 +487,7 @@ def timeout_deferred(deferred, timeout, reactor, on_timeout_cancel=None): CancelledError Failure into a defer.TimeoutError. Returns: - Deferred + A new Deferred. """ new_d = defer.Deferred() diff --git a/synapse/util/caches/__init__.py b/synapse/util/caches/__init__.py index 237f588658..8fc05be278 100644 --- a/synapse/util/caches/__init__.py +++ b/synapse/util/caches/__init__.py @@ -42,7 +42,7 @@ response_cache_evicted = Gauge( response_cache_total = Gauge("synapse_util_caches_response_cache:total", "", ["name"]) -@attr.s +@attr.s(slots=True) class CacheMetric: _cache = attr.ib() diff --git a/synapse/util/distributor.py b/synapse/util/distributor.py index a750261e77..f73e95393c 100644 --- a/synapse/util/distributor.py +++ b/synapse/util/distributor.py @@ -16,8 +16,6 @@ import inspect import logging from twisted.internet import defer -from twisted.internet.defer import Deferred, fail, succeed -from twisted.python import failure from synapse.logging.context import make_deferred_yieldable, run_in_background from synapse.metrics.background_process_metrics import run_as_background_process @@ -29,11 +27,6 @@ def user_left_room(distributor, user, room_id): distributor.fire("user_left_room", user=user, room_id=room_id) -# XXX: this is no longer used. We should probably kill it. -def user_joined_room(distributor, user, room_id): - distributor.fire("user_joined_room", user=user, room_id=room_id) - - class Distributor: """A central dispatch point for loosely-connected pieces of code to register, observe, and fire signals. @@ -81,28 +74,6 @@ class Distributor: run_as_background_process(name, self.signals[name].fire, *args, **kwargs) -def maybeAwaitableDeferred(f, *args, **kw): - """ - Invoke a function that may or may not return a Deferred or an Awaitable. - - This is a modified version of twisted.internet.defer.maybeDeferred. - """ - try: - result = f(*args, **kw) - except Exception: - return fail(failure.Failure(captureVars=Deferred.debug)) - - if isinstance(result, Deferred): - return result - # Handle the additional case of an awaitable being returned. - elif inspect.isawaitable(result): - return defer.ensureDeferred(result) - elif isinstance(result, failure.Failure): - return fail(result) - else: - return succeed(result) - - class Signal: """A Signal is a dispatch point that stores a list of callables as observers of it. @@ -132,22 +103,17 @@ class Signal: Returns a Deferred that will complete when all the observers have completed.""" - def do(observer): - def eb(failure): + async def do(observer): + try: + result = observer(*args, **kwargs) + if inspect.isawaitable(result): + result = await result + return result + except Exception as e: logger.warning( - "%s signal observer %s failed: %r", - self.name, - observer, - failure, - exc_info=( - failure.type, - failure.value, - failure.getTracebackObject(), - ), + "%s signal observer %s failed: %r", self.name, observer, e, ) - return maybeAwaitableDeferred(observer, *args, **kwargs).addErrback(eb) - deferreds = [run_in_background(do, o) for o in self.observers] return make_deferred_yieldable( diff --git a/synapse/util/frozenutils.py b/synapse/util/frozenutils.py index 0e445e01d7..bf094c9386 100644 --- a/synapse/util/frozenutils.py +++ b/synapse/util/frozenutils.py @@ -13,7 +13,8 @@ # See the License for the specific language governing permissions and # limitations under the License. -from canonicaljson import json +import json + from frozendict import frozendict @@ -66,5 +67,5 @@ def _handle_frozendict(obj): # A JSONEncoder which is capable of encoding frozendicts without barfing. # Additionally reduce the whitespace produced by JSON encoding. frozendict_json_encoder = json.JSONEncoder( - default=_handle_frozendict, separators=(",", ":"), + allow_nan=False, separators=(",", ":"), default=_handle_frozendict, ) |