diff options
| author | Erik Johnston <erik@matrix.org> | 2018-10-25 15:25:31 +0100 |
|---|---|---|
| committer | Erik Johnston <erik@matrix.org> | 2018-10-25 15:25:31 +0100 |
| commit | b94a43d5b5a949fbd67109b34cfcec925fa82fe4 (patch) | |
| tree | 1e427071264b9cd23233175b3cff4684d93d6e36 /synapse | |
| parent | Use allow/deny (diff) | |
| parent | Merge pull request #3975 from matrix-org/matthew/autocreate_autojoin (diff) | |
| download | synapse-b94a43d5b5a949fbd67109b34cfcec925fa82fe4.tar.xz | |
Merge branch 'develop' of github.com:matrix-org/synapse into erikj/alias_disallow_list
Diffstat (limited to 'synapse')
46 files changed, 1124 insertions, 443 deletions
diff --git a/synapse/api/filtering.py b/synapse/api/filtering.py index eed8c67e6a..677c0bdd4c 100644 --- a/synapse/api/filtering.py +++ b/synapse/api/filtering.py @@ -172,7 +172,10 @@ USER_FILTER_SCHEMA = { # events a lot easier as we can then use a negative lookbehind # assertion to split '\.' If we allowed \\ then it would # incorrectly split '\\.' See synapse.events.utils.serialize_event - "pattern": "^((?!\\\).)*$" + # + # Note that because this is a regular expression, we have to escape + # each backslash in the pattern. + "pattern": r"^((?!\\\\).)*$" } } }, diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py index e3f0d99a3f..0b85b377e3 100755 --- a/synapse/app/homeserver.py +++ b/synapse/app/homeserver.py @@ -20,6 +20,7 @@ import sys from six import iteritems +import psutil from prometheus_client import Gauge from twisted.application import service @@ -502,7 +503,6 @@ def run(hs): def performance_stats_init(): try: - import psutil process = psutil.Process() # Ensure we can fetch both, and make the initial request for cpu_percent # so the next request will use this as the initial point. @@ -510,12 +510,9 @@ def run(hs): process.cpu_percent(interval=None) logger.info("report_stats can use psutil") stats_process.append(process) - except (ImportError, AttributeError): - logger.warn( - "report_stats enabled but psutil is not installed or incorrect version." - " Disabling reporting of memory/cpu stats." - " Ensuring psutil is available will help matrix.org track performance" - " changes across releases." + except (AttributeError): + logger.warning( + "Unable to read memory/cpu stats. Disabling reporting." ) def generate_user_daily_visit_stats(): @@ -530,10 +527,13 @@ def run(hs): clock.looping_call(generate_user_daily_visit_stats, 5 * 60 * 1000) # monthly active user limiting functionality - clock.looping_call( - hs.get_datastore().reap_monthly_active_users, 1000 * 60 * 60 - ) - hs.get_datastore().reap_monthly_active_users() + def reap_monthly_active_users(): + return run_as_background_process( + "reap_monthly_active_users", + hs.get_datastore().reap_monthly_active_users, + ) + clock.looping_call(reap_monthly_active_users, 1000 * 60 * 60) + reap_monthly_active_users() @defer.inlineCallbacks def generate_monthly_active_users(): @@ -547,12 +547,23 @@ def run(hs): registered_reserved_users_mau_gauge.set(float(reserved_count)) max_mau_gauge.set(float(hs.config.max_mau_value)) - hs.get_datastore().initialise_reserved_users( - hs.config.mau_limits_reserved_threepids + def start_generate_monthly_active_users(): + return run_as_background_process( + "generate_monthly_active_users", + generate_monthly_active_users, + ) + + # XXX is this really supposed to be a background process? it looks + # like it needs to complete before some of the other stuff runs. + run_as_background_process( + "initialise_reserved_users", + hs.get_datastore().initialise_reserved_users, + hs.config.mau_limits_reserved_threepids, ) - generate_monthly_active_users() + + start_generate_monthly_active_users() if hs.config.limit_usage_by_mau: - clock.looping_call(generate_monthly_active_users, 5 * 60 * 1000) + clock.looping_call(start_generate_monthly_active_users, 5 * 60 * 1000) # End of monthly active user settings if hs.config.report_stats: @@ -568,7 +579,7 @@ def run(hs): clock.call_later(5 * 60, start_phone_stats_home) if hs.config.daemonize and hs.config.print_pidfile: - print (hs.config.pid_file) + print(hs.config.pid_file) _base.start_reactor( "synapse-homeserver", diff --git a/synapse/app/pusher.py b/synapse/app/pusher.py index 0f9f8e19f6..83b0863f00 100644 --- a/synapse/app/pusher.py +++ b/synapse/app/pusher.py @@ -161,11 +161,11 @@ class PusherReplicationHandler(ReplicationClientHandler): else: yield self.start_pusher(row.user_id, row.app_id, row.pushkey) elif stream_name == "events": - self.pusher_pool.on_new_notifications( + yield self.pusher_pool.on_new_notifications( token, token, ) elif stream_name == "receipts": - self.pusher_pool.on_new_receipts( + yield self.pusher_pool.on_new_receipts( token, token, set(row.room_id for row in rows) ) except Exception: @@ -183,7 +183,7 @@ class PusherReplicationHandler(ReplicationClientHandler): def start_pusher(self, user_id, app_id, pushkey): key = "%s:%s" % (app_id, pushkey) logger.info("Starting pusher %r / %r", user_id, key) - return self.pusher_pool._refresh_pusher(app_id, pushkey, user_id) + return self.pusher_pool.start_pusher_by_id(app_id, pushkey, user_id) def start(config_options): diff --git a/synapse/config/__main__.py b/synapse/config/__main__.py index 8fccf573ee..79fe9c3dac 100644 --- a/synapse/config/__main__.py +++ b/synapse/config/__main__.py @@ -28,7 +28,7 @@ if __name__ == "__main__": sys.stderr.write("\n" + str(e) + "\n") sys.exit(1) - print (getattr(config, key)) + print(getattr(config, key)) sys.exit(0) else: sys.stderr.write("Unknown command %r\n" % (action,)) diff --git a/synapse/config/_base.py b/synapse/config/_base.py index 3d2e90dd5b..14dae65ea0 100644 --- a/synapse/config/_base.py +++ b/synapse/config/_base.py @@ -106,10 +106,7 @@ class Config(object): @classmethod def check_file(cls, file_path, config_name): if file_path is None: - raise ConfigError( - "Missing config for %s." - % (config_name,) - ) + raise ConfigError("Missing config for %s." % (config_name,)) try: os.stat(file_path) except OSError as e: @@ -128,9 +125,7 @@ class Config(object): if e.errno != errno.EEXIST: raise if not os.path.isdir(dir_path): - raise ConfigError( - "%s is not a directory" % (dir_path,) - ) + raise ConfigError("%s is not a directory" % (dir_path,)) return dir_path @classmethod @@ -156,21 +151,20 @@ class Config(object): return results def generate_config( - self, - config_dir_path, - server_name, - is_generating_file, - report_stats=None, + self, config_dir_path, server_name, is_generating_file, report_stats=None ): default_config = "# vim:ft=yaml\n" - default_config += "\n\n".join(dedent(conf) for conf in self.invoke_all( - "default_config", - config_dir_path=config_dir_path, - server_name=server_name, - is_generating_file=is_generating_file, - report_stats=report_stats, - )) + default_config += "\n\n".join( + dedent(conf) + for conf in self.invoke_all( + "default_config", + config_dir_path=config_dir_path, + server_name=server_name, + is_generating_file=is_generating_file, + report_stats=report_stats, + ) + ) config = yaml.load(default_config) @@ -178,23 +172,22 @@ class Config(object): @classmethod def load_config(cls, description, argv): - config_parser = argparse.ArgumentParser( - description=description, - ) + config_parser = argparse.ArgumentParser(description=description) config_parser.add_argument( - "-c", "--config-path", + "-c", + "--config-path", action="append", metavar="CONFIG_FILE", help="Specify config file. Can be given multiple times and" - " may specify directories containing *.yaml files." + " may specify directories containing *.yaml files.", ) config_parser.add_argument( "--keys-directory", metavar="DIRECTORY", help="Where files such as certs and signing keys are stored when" - " their location is given explicitly in the config." - " Defaults to the directory containing the last config file", + " their location is given explicitly in the config." + " Defaults to the directory containing the last config file", ) config_args = config_parser.parse_args(argv) @@ -203,9 +196,7 @@ class Config(object): obj = cls() obj.read_config_files( - config_files, - keys_directory=config_args.keys_directory, - generate_keys=False, + config_files, keys_directory=config_args.keys_directory, generate_keys=False ) return obj @@ -213,38 +204,38 @@ class Config(object): def load_or_generate_config(cls, description, argv): config_parser = argparse.ArgumentParser(add_help=False) config_parser.add_argument( - "-c", "--config-path", + "-c", + "--config-path", action="append", metavar="CONFIG_FILE", help="Specify config file. Can be given multiple times and" - " may specify directories containing *.yaml files." + " may specify directories containing *.yaml files.", ) config_parser.add_argument( "--generate-config", action="store_true", - help="Generate a config file for the server name" + help="Generate a config file for the server name", ) config_parser.add_argument( "--report-stats", action="store", help="Whether the generated config reports anonymized usage statistics", - choices=["yes", "no"] + choices=["yes", "no"], ) config_parser.add_argument( "--generate-keys", action="store_true", - help="Generate any missing key files then exit" + help="Generate any missing key files then exit", ) config_parser.add_argument( "--keys-directory", metavar="DIRECTORY", help="Used with 'generate-*' options to specify where files such as" - " certs and signing keys should be stored in, unless explicitly" - " specified in the config." + " certs and signing keys should be stored in, unless explicitly" + " specified in the config.", ) config_parser.add_argument( - "-H", "--server-name", - help="The server name to generate a config file for" + "-H", "--server-name", help="The server name to generate a config file for" ) config_args, remaining_args = config_parser.parse_known_args(argv) @@ -257,8 +248,8 @@ class Config(object): if config_args.generate_config: if config_args.report_stats is None: config_parser.error( - "Please specify either --report-stats=yes or --report-stats=no\n\n" + - MISSING_REPORT_STATS_SPIEL + "Please specify either --report-stats=yes or --report-stats=no\n\n" + + MISSING_REPORT_STATS_SPIEL ) if not config_files: config_parser.error( @@ -287,26 +278,32 @@ class Config(object): config_dir_path=config_dir_path, server_name=server_name, report_stats=(config_args.report_stats == "yes"), - is_generating_file=True + is_generating_file=True, ) obj.invoke_all("generate_files", config) config_file.write(config_str) - print(( - "A config file has been generated in %r for server name" - " %r with corresponding SSL keys and self-signed" - " certificates. Please review this file and customise it" - " to your needs." - ) % (config_path, server_name)) + print( + ( + "A config file has been generated in %r for server name" + " %r with corresponding SSL keys and self-signed" + " certificates. Please review this file and customise it" + " to your needs." + ) + % (config_path, server_name) + ) print( "If this server name is incorrect, you will need to" " regenerate the SSL certificates" ) return else: - print(( - "Config file %r already exists. Generating any missing key" - " files." - ) % (config_path,)) + print( + ( + "Config file %r already exists. Generating any missing key" + " files." + ) + % (config_path,) + ) generate_keys = True parser = argparse.ArgumentParser( @@ -338,8 +335,7 @@ class Config(object): return obj - def read_config_files(self, config_files, keys_directory=None, - generate_keys=False): + def read_config_files(self, config_files, keys_directory=None, generate_keys=False): if not keys_directory: keys_directory = os.path.dirname(config_files[-1]) @@ -364,8 +360,9 @@ class Config(object): if "report_stats" not in config: raise ConfigError( - MISSING_REPORT_STATS_CONFIG_INSTRUCTIONS + "\n" + - MISSING_REPORT_STATS_SPIEL + MISSING_REPORT_STATS_CONFIG_INSTRUCTIONS + + "\n" + + MISSING_REPORT_STATS_SPIEL ) if generate_keys: @@ -399,16 +396,16 @@ def find_config_files(search_paths): for entry in os.listdir(config_path): entry_path = os.path.join(config_path, entry) if not os.path.isfile(entry_path): - print ( - "Found subdirectory in config directory: %r. IGNORING." - ) % (entry_path, ) + err = "Found subdirectory in config directory: %r. IGNORING." + print(err % (entry_path,)) continue if not entry.endswith(".yaml"): - print ( - "Found file in config directory that does not" - " end in '.yaml': %r. IGNORING." - ) % (entry_path, ) + err = ( + "Found file in config directory that does not end in " + "'.yaml': %r. IGNORING." + ) + print(err % (entry_path,)) continue files.append(entry_path) diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py index e2582cfecc..93d70cff14 100644 --- a/synapse/config/emailconfig.py +++ b/synapse/config/emailconfig.py @@ -19,18 +19,12 @@ from __future__ import print_function import email.utils import logging import os -import sys -import textwrap -from ._base import Config +import pkg_resources -logger = logging.getLogger(__name__) +from ._base import Config, ConfigError -TEMPLATE_DIR_WARNING = """\ -WARNING: The email notifier is configured to look for templates in '%(template_dir)s', -but no templates could be found there. We will fall back to using the example templates; -to get rid of this warning, leave 'email.template_dir' unset. -""" +logger = logging.getLogger(__name__) class EmailConfig(Config): @@ -78,20 +72,22 @@ class EmailConfig(Config): self.email_notif_template_html = email_config["notif_template_html"] self.email_notif_template_text = email_config["notif_template_text"] - self.email_template_dir = email_config.get("template_dir") - - # backwards-compatibility hack - if ( - self.email_template_dir == "res/templates" - and not os.path.isfile( - os.path.join(self.email_template_dir, self.email_notif_template_text) + template_dir = email_config.get("template_dir") + # we need an absolute path, because we change directory after starting (and + # we don't yet know what auxilliary templates like mail.css we will need). + # (Note that loading as package_resources with jinja.PackageLoader doesn't + # work for the same reason.) + if not template_dir: + template_dir = pkg_resources.resource_filename( + 'synapse', 'res/templates' ) - ): - t = TEMPLATE_DIR_WARNING % { - "template_dir": self.email_template_dir, - } - print(textwrap.fill(t, width=80) + "\n", file=sys.stderr) - self.email_template_dir = None + template_dir = os.path.abspath(template_dir) + + for f in self.email_notif_template_text, self.email_notif_template_html: + p = os.path.join(template_dir, f) + if not os.path.isfile(p): + raise ConfigError("Unable to find email template file %s" % (p, )) + self.email_template_dir = template_dir self.email_notif_for_new_users = email_config.get( "notif_for_new_users", True diff --git a/synapse/config/registration.py b/synapse/config/registration.py index 0fb964eb67..7480ed5145 100644 --- a/synapse/config/registration.py +++ b/synapse/config/registration.py @@ -15,10 +15,10 @@ from distutils.util import strtobool +from synapse.config._base import Config, ConfigError +from synapse.types import RoomAlias from synapse.util.stringutils import random_string_with_symbols -from ._base import Config - class RegistrationConfig(Config): @@ -44,6 +44,10 @@ class RegistrationConfig(Config): ) self.auto_join_rooms = config.get("auto_join_rooms", []) + for room_alias in self.auto_join_rooms: + if not RoomAlias.is_valid(room_alias): + raise ConfigError('Invalid auto_join_rooms entry %s' % (room_alias,)) + self.autocreate_auto_join_rooms = config.get("autocreate_auto_join_rooms", True) def default_config(self, **kwargs): registration_shared_secret = random_string_with_symbols(50) @@ -98,6 +102,13 @@ class RegistrationConfig(Config): # to these rooms #auto_join_rooms: # - "#example:example.com" + + # Where auto_join_rooms are specified, setting this flag ensures that the + # the rooms exist by creating them when the first user on the + # homeserver registers. + # Setting to false means that if the rooms are not manually created, + # users cannot be auto-joined since they do not exist. + autocreate_auto_join_rooms: true """ % locals() def add_arguments(self, parser): diff --git a/synapse/config/repository.py b/synapse/config/repository.py index fc909c1fac..06c62ab62c 100644 --- a/synapse/config/repository.py +++ b/synapse/config/repository.py @@ -178,7 +178,7 @@ class ContentRepositoryConfig(Config): def default_config(self, **kwargs): media_store = self.default_path("media_store") uploads_path = self.default_path("uploads") - return """ + return r""" # Directory where uploaded images and attachments are stored. media_store_path: "%(media_store)s" diff --git a/synapse/crypto/keyclient.py b/synapse/crypto/keyclient.py index 57d4665e84..080c81f14b 100644 --- a/synapse/crypto/keyclient.py +++ b/synapse/crypto/keyclient.py @@ -55,7 +55,7 @@ def fetch_server_key(server_name, tls_client_options_factory, path=KEY_API_V1): raise IOError("Cannot get key for %r" % server_name) except (ConnectError, DomainError) as e: logger.warn("Error getting key for %r: %s", server_name, e) - except Exception as e: + except Exception: logger.exception("Error getting key for %r", server_name) raise IOError("Cannot get key for %r" % server_name) diff --git a/synapse/event_auth.py b/synapse/event_auth.py index af3eee95b9..d4d4474847 100644 --- a/synapse/event_auth.py +++ b/synapse/event_auth.py @@ -690,7 +690,7 @@ def auth_types_for_event(event): auth_types = [] auth_types.append((EventTypes.PowerLevels, "", )) - auth_types.append((EventTypes.Member, event.user_id, )) + auth_types.append((EventTypes.Member, event.sender, )) auth_types.append((EventTypes.Create, "", )) if event.type == EventTypes.Member: diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index d041c26824..0f9302a6a8 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -788,7 +788,7 @@ class FederationHandlerRegistry(object): yield handler(origin, content) except SynapseError as e: logger.info("Failed to handle edu %r: %r", edu_type, e) - except Exception as e: + except Exception: logger.exception("Failed to handle edu %r", edu_type) def on_query(self, query_type, args): diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index 2a5eab124f..329e3c7d71 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -22,7 +22,7 @@ import bcrypt import pymacaroons from canonicaljson import json -from twisted.internet import defer, threads +from twisted.internet import defer from twisted.web.client import PartialDownloadError import synapse.util.stringutils as stringutils @@ -37,8 +37,8 @@ from synapse.api.errors import ( ) from synapse.module_api import ModuleApi from synapse.types import UserID +from synapse.util import logcontext from synapse.util.caches.expiringcache import ExpiringCache -from synapse.util.logcontext import make_deferred_yieldable from ._base import BaseHandler @@ -884,11 +884,7 @@ class AuthHandler(BaseHandler): bcrypt.gensalt(self.bcrypt_rounds), ).decode('ascii') - return make_deferred_yieldable( - threads.deferToThreadPool( - self.hs.get_reactor(), self.hs.get_reactor().getThreadPool(), _do_hash - ), - ) + return logcontext.defer_to_thread(self.hs.get_reactor(), _do_hash) def validate_hash(self, password, stored_hash): """Validates that self.hash(password) == stored_hash. @@ -913,13 +909,7 @@ class AuthHandler(BaseHandler): if not isinstance(stored_hash, bytes): stored_hash = stored_hash.encode('ascii') - return make_deferred_yieldable( - threads.deferToThreadPool( - self.hs.get_reactor(), - self.hs.get_reactor().getThreadPool(), - _do_validate_hash, - ), - ) + return logcontext.defer_to_thread(self.hs.get_reactor(), _do_validate_hash) else: return defer.succeed(False) diff --git a/synapse/handlers/deactivate_account.py b/synapse/handlers/deactivate_account.py index b078df4a76..75fe50c42c 100644 --- a/synapse/handlers/deactivate_account.py +++ b/synapse/handlers/deactivate_account.py @@ -17,8 +17,8 @@ import logging from twisted.internet import defer from synapse.api.errors import SynapseError +from synapse.metrics.background_process_metrics import run_as_background_process from synapse.types import UserID, create_requester -from synapse.util.logcontext import run_in_background from ._base import BaseHandler @@ -121,7 +121,7 @@ class DeactivateAccountHandler(BaseHandler): None """ if not self._user_parter_running: - run_in_background(self._user_parter_loop) + run_as_background_process("user_parter_loop", self._user_parter_loop) @defer.inlineCallbacks def _user_parter_loop(self): diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index cab57a8849..cd5b9bbb19 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -53,7 +53,7 @@ from synapse.replication.http.federation import ( ReplicationFederationSendEventsRestServlet, ) from synapse.replication.http.membership import ReplicationUserJoinedLeftRoomRestServlet -from synapse.state import resolve_events_with_factory +from synapse.state import StateResolutionStore, resolve_events_with_store from synapse.types import UserID, get_domain_from_id from synapse.util import logcontext, unwrapFirstError from synapse.util.async_helpers import Linearizer @@ -384,24 +384,24 @@ class FederationHandler(BaseHandler): for x in remote_state: event_map[x.event_id] = x - # Resolve any conflicting state - @defer.inlineCallbacks - def fetch(ev_ids): - fetched = yield self.store.get_events( - ev_ids, get_prev_content=False, check_redacted=False, - ) - # add any events we fetch here to the `event_map` so that we - # can use them to build the state event list below. - event_map.update(fetched) - defer.returnValue(fetched) - room_version = yield self.store.get_room_version(room_id) - state_map = yield resolve_events_with_factory( - room_version, state_maps, event_map, fetch, + state_map = yield resolve_events_with_store( + room_version, state_maps, event_map, + state_res_store=StateResolutionStore(self.store), ) - # we need to give _process_received_pdu the actual state events + # We need to give _process_received_pdu the actual state events # rather than event ids, so generate that now. + + # First though we need to fetch all the events that are in + # state_map, so we can build up the state below. + evs = yield self.store.get_events( + list(state_map.values()), + get_prev_content=False, + check_redacted=False, + ) + event_map.update(evs) + state = [ event_map[e] for e in six.itervalues(state_map) ] @@ -2520,7 +2520,7 @@ class FederationHandler(BaseHandler): if not backfilled: # Never notify for backfilled events for event, _ in event_and_contexts: - self._notify_persisted_event(event, max_stream_id) + yield self._notify_persisted_event(event, max_stream_id) def _notify_persisted_event(self, event, max_stream_id): """Checks to see if notifier/pushers should be notified about the @@ -2553,7 +2553,7 @@ class FederationHandler(BaseHandler): extra_users=extra_users ) - self.pusher_pool.on_new_notifications( + return self.pusher_pool.on_new_notifications( event_stream_id, max_stream_id, ) diff --git a/synapse/handlers/groups_local.py b/synapse/handlers/groups_local.py index 53e5e2648b..173315af6c 100644 --- a/synapse/handlers/groups_local.py +++ b/synapse/handlers/groups_local.py @@ -20,7 +20,7 @@ from six import iteritems from twisted.internet import defer -from synapse.api.errors import SynapseError +from synapse.api.errors import HttpResponseException, SynapseError from synapse.types import get_domain_from_id logger = logging.getLogger(__name__) @@ -37,9 +37,23 @@ def _create_rerouter(func_name): ) else: destination = get_domain_from_id(group_id) - return getattr(self.transport_client, func_name)( + d = getattr(self.transport_client, func_name)( destination, group_id, *args, **kwargs ) + + # Capture errors returned by the remote homeserver and + # re-throw specific errors as SynapseErrors. This is so + # when the remote end responds with things like 403 Not + # In Group, we can communicate that to the client instead + # of a 500. + def h(failure): + failure.trap(HttpResponseException) + e = failure.value + if e.code == 403: + raise e.to_synapse_error() + return failure + d.addErrback(h) + return d return f diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 4954b23a0d..6c4fcfb10a 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -779,7 +779,7 @@ class EventCreationHandler(object): event, context=context ) - self.pusher_pool.on_new_notifications( + yield self.pusher_pool.on_new_notifications( event_stream_id, max_stream_id, ) diff --git a/synapse/handlers/receipts.py b/synapse/handlers/receipts.py index a6f3181f09..4c2690ba26 100644 --- a/synapse/handlers/receipts.py +++ b/synapse/handlers/receipts.py @@ -119,7 +119,7 @@ class ReceiptsHandler(BaseHandler): "receipt_key", max_batch_id, rooms=affected_room_ids ) # Note that the min here shouldn't be relied upon to be accurate. - self.hs.get_pusherpool().on_new_receipts( + yield self.hs.get_pusherpool().on_new_receipts( min_batch_id, max_batch_id, affected_room_ids, ) diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py index da914c46ff..e9d7b25a36 100644 --- a/synapse/handlers/register.py +++ b/synapse/handlers/register.py @@ -50,6 +50,7 @@ class RegistrationHandler(BaseHandler): self._auth_handler = hs.get_auth_handler() self.profile_handler = hs.get_profile_handler() self.user_directory_handler = hs.get_user_directory_handler() + self.room_creation_handler = self.hs.get_room_creation_handler() self.captcha_client = CaptchaServerHttpClient(hs) self._next_generated_user_id = None @@ -220,9 +221,36 @@ class RegistrationHandler(BaseHandler): # auto-join the user to any rooms we're supposed to dump them into fake_requester = create_requester(user_id) + + # try to create the room if we're the first user on the server + should_auto_create_rooms = False + if self.hs.config.autocreate_auto_join_rooms: + count = yield self.store.count_all_users() + should_auto_create_rooms = count == 1 + for r in self.hs.config.auto_join_rooms: try: - yield self._join_user_to_room(fake_requester, r) + if should_auto_create_rooms: + room_alias = RoomAlias.from_string(r) + if self.hs.hostname != room_alias.domain: + logger.warning( + 'Cannot create room alias %s, ' + 'it does not match server domain', + r, + ) + else: + # create room expects the localpart of the room alias + room_alias_localpart = room_alias.localpart + yield self.room_creation_handler.create_room( + fake_requester, + config={ + "preset": "public_chat", + "room_alias_name": room_alias_localpart + }, + ratelimit=False, + ) + else: + yield self._join_user_to_room(fake_requester, r) except Exception as e: logger.error("Failed to join new user to %r: %r", r, e) diff --git a/synapse/handlers/user_directory.py b/synapse/handlers/user_directory.py index d8413d6aa7..f11b430126 100644 --- a/synapse/handlers/user_directory.py +++ b/synapse/handlers/user_directory.py @@ -20,6 +20,7 @@ from six import iteritems from twisted.internet import defer from synapse.api.constants import EventTypes, JoinRules, Membership +from synapse.metrics.background_process_metrics import run_as_background_process from synapse.storage.roommember import ProfileInfo from synapse.types import get_localpart_from_id from synapse.util.metrics import Measure @@ -98,7 +99,6 @@ class UserDirectoryHandler(object): """ return self.store.search_user_dir(user_id, search_term, limit) - @defer.inlineCallbacks def notify_new_event(self): """Called when there may be more deltas to process """ @@ -108,11 +108,15 @@ class UserDirectoryHandler(object): if self._is_processing: return + @defer.inlineCallbacks + def process(): + try: + yield self._unsafe_process() + finally: + self._is_processing = False + self._is_processing = True - try: - yield self._unsafe_process() - finally: - self._is_processing = False + run_as_background_process("user_directory.notify_new_event", process) @defer.inlineCallbacks def handle_local_profile_change(self, user_id, profile): diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py index fcc02fc77d..24b6110c20 100644 --- a/synapse/http/matrixfederationclient.py +++ b/synapse/http/matrixfederationclient.py @@ -230,7 +230,7 @@ class MatrixFederationHttpClient(object): Returns: Deferred: resolves with the http response object on success. - Fails with ``HTTPRequestException``: if we get an HTTP response + Fails with ``HttpResponseException``: if we get an HTTP response code >= 300. Fails with ``NotRetryingDestination`` if we are not yet ready @@ -480,7 +480,7 @@ class MatrixFederationHttpClient(object): Deferred: Succeeds when we get a 2xx HTTP response. The result will be the decoded JSON body. - Fails with ``HTTPRequestException`` if we get an HTTP response + Fails with ``HttpResponseException`` if we get an HTTP response code >= 300. Fails with ``NotRetryingDestination`` if we are not yet ready @@ -534,7 +534,7 @@ class MatrixFederationHttpClient(object): Deferred: Succeeds when we get a 2xx HTTP response. The result will be the decoded JSON body. - Fails with ``HTTPRequestException`` if we get an HTTP response + Fails with ``HttpResponseException`` if we get an HTTP response code >= 300. Fails with ``NotRetryingDestination`` if we are not yet ready @@ -589,7 +589,7 @@ class MatrixFederationHttpClient(object): Deferred: Succeeds when we get a 2xx HTTP response. The result will be the decoded JSON body. - Fails with ``HTTPRequestException`` if we get an HTTP response + Fails with ``HttpResponseException`` if we get an HTTP response code >= 300. Fails with ``NotRetryingDestination`` if we are not yet ready @@ -640,7 +640,7 @@ class MatrixFederationHttpClient(object): Deferred: Succeeds when we get a 2xx HTTP response. The result will be the decoded JSON body. - Fails with ``HTTPRequestException`` if we get an HTTP response + Fails with ``HttpResponseException`` if we get an HTTP response code >= 300. Fails with ``NotRetryingDestination`` if we are not yet ready @@ -684,7 +684,7 @@ class MatrixFederationHttpClient(object): Deferred: resolves with an (int,dict) tuple of the file length and a dict of the response headers. - Fails with ``HTTPRequestException`` if we get an HTTP response code + Fails with ``HttpResponseException`` if we get an HTTP response code >= 300 Fails with ``NotRetryingDestination`` if we are not yet ready diff --git a/synapse/http/request_metrics.py b/synapse/http/request_metrics.py index fedb4e6b18..62045a918b 100644 --- a/synapse/http/request_metrics.py +++ b/synapse/http/request_metrics.py @@ -39,7 +39,8 @@ outgoing_responses_counter = Counter( ) response_timer = Histogram( - "synapse_http_server_response_time_seconds", "sec", + "synapse_http_server_response_time_seconds", + "sec", ["method", "servlet", "tag", "code"], ) @@ -79,15 +80,11 @@ response_size = Counter( # than when the response was written. in_flight_requests_ru_utime = Counter( - "synapse_http_server_in_flight_requests_ru_utime_seconds", - "", - ["method", "servlet"], + "synapse_http_server_in_flight_requests_ru_utime_seconds", "", ["method", "servlet"] ) in_flight_requests_ru_stime = Counter( - "synapse_http_server_in_flight_requests_ru_stime_seconds", - "", - ["method", "servlet"], + "synapse_http_server_in_flight_requests_ru_stime_seconds", "", ["method", "servlet"] ) in_flight_requests_db_txn_count = Counter( @@ -134,7 +131,7 @@ def _get_in_flight_counts(): # type counts = {} for rm in reqs: - key = (rm.method, rm.name,) + key = (rm.method, rm.name) counts[key] = counts.get(key, 0) + 1 return counts @@ -175,7 +172,8 @@ class RequestMetrics(object): if context != self.start_context: logger.warn( "Context have unexpectedly changed %r, %r", - context, self.start_context + context, + self.start_context, ) return @@ -192,10 +190,10 @@ class RequestMetrics(object): resource_usage = context.get_resource_usage() response_ru_utime.labels(self.method, self.name, tag).inc( - resource_usage.ru_utime, + resource_usage.ru_utime ) response_ru_stime.labels(self.method, self.name, tag).inc( - resource_usage.ru_stime, + resource_usage.ru_stime ) response_db_txn_count.labels(self.method, self.name, tag).inc( resource_usage.db_txn_count @@ -222,8 +220,15 @@ class RequestMetrics(object): diff = new_stats - self._request_stats self._request_stats = new_stats - in_flight_requests_ru_utime.labels(self.method, self.name).inc(diff.ru_utime) - in_flight_requests_ru_stime.labels(self.method, self.name).inc(diff.ru_stime) + # max() is used since rapid use of ru_stime/ru_utime can end up with the + # count going backwards due to NTP, time smearing, fine-grained + # correction, or floating points. Who knows, really? + in_flight_requests_ru_utime.labels(self.method, self.name).inc( + max(diff.ru_utime, 0) + ) + in_flight_requests_ru_stime.labels(self.method, self.name).inc( + max(diff.ru_stime, 0) + ) in_flight_requests_db_txn_count.labels(self.method, self.name).inc( diff.db_txn_count diff --git a/synapse/notifier.py b/synapse/notifier.py index 340b16ce25..de02b1017e 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -186,9 +186,9 @@ class Notifier(object): def count_listeners(): all_user_streams = set() - for x in self.room_to_user_streams.values(): + for x in list(self.room_to_user_streams.values()): all_user_streams |= x - for x in self.user_to_user_stream.values(): + for x in list(self.user_to_user_stream.values()): all_user_streams.add(x) return sum(stream.count_listeners() for stream in all_user_streams) @@ -196,7 +196,7 @@ class Notifier(object): LaterGauge( "synapse_notifier_rooms", "", [], - lambda: count(bool, self.room_to_user_streams.values()), + lambda: count(bool, list(self.room_to_user_streams.values())), ) LaterGauge( "synapse_notifier_users", "", [], diff --git a/synapse/push/emailpusher.py b/synapse/push/emailpusher.py index d746371420..f369124258 100644 --- a/synapse/push/emailpusher.py +++ b/synapse/push/emailpusher.py @@ -18,8 +18,7 @@ import logging from twisted.internet import defer from twisted.internet.error import AlreadyCalled, AlreadyCancelled -from synapse.util.logcontext import LoggingContext -from synapse.util.metrics import Measure +from synapse.metrics.background_process_metrics import run_as_background_process logger = logging.getLogger(__name__) @@ -71,18 +70,11 @@ class EmailPusher(object): # See httppusher self.max_stream_ordering = None - self.processing = False + self._is_processing = False - @defer.inlineCallbacks def on_started(self): if self.mailer is not None: - try: - self.throttle_params = yield self.store.get_throttle_params_by_room( - self.pusher_id - ) - yield self._process() - except Exception: - logger.exception("Error starting email pusher") + self._start_processing() def on_stop(self): if self.timed_call: @@ -92,43 +84,52 @@ class EmailPusher(object): pass self.timed_call = None - @defer.inlineCallbacks def on_new_notifications(self, min_stream_ordering, max_stream_ordering): self.max_stream_ordering = max(max_stream_ordering, self.max_stream_ordering) - yield self._process() + self._start_processing() def on_new_receipts(self, min_stream_id, max_stream_id): # We could wake up and cancel the timer but there tend to be quite a # lot of read receipts so it's probably less work to just let the # timer fire - return defer.succeed(None) + pass - @defer.inlineCallbacks def on_timer(self): self.timed_call = None - yield self._process() + self._start_processing() + + def _start_processing(self): + if self._is_processing: + return + + run_as_background_process("emailpush.process", self._process) @defer.inlineCallbacks def _process(self): - if self.processing: - return + # we should never get here if we are already processing + assert not self._is_processing + + try: + self._is_processing = True + + if self.throttle_params is None: + # this is our first loop: load up the throttle params + self.throttle_params = yield self.store.get_throttle_params_by_room( + self.pusher_id + ) - with LoggingContext("emailpush._process"): - with Measure(self.clock, "emailpush._process"): + # if the max ordering changes while we're running _unsafe_process, + # call it again, and so on until we've caught up. + while True: + starting_max_ordering = self.max_stream_ordering try: - self.processing = True - # if the max ordering changes while we're running _unsafe_process, - # call it again, and so on until we've caught up. - while True: - starting_max_ordering = self.max_stream_ordering - try: - yield self._unsafe_process() - except Exception: - logger.exception("Exception processing notifs") - if self.max_stream_ordering == starting_max_ordering: - break - finally: - self.processing = False + yield self._unsafe_process() + except Exception: + logger.exception("Exception processing notifs") + if self.max_stream_ordering == starting_max_ordering: + break + finally: + self._is_processing = False @defer.inlineCallbacks def _unsafe_process(self): diff --git a/synapse/push/httppusher.py b/synapse/push/httppusher.py index 48abd5e4d6..6bd703632d 100644 --- a/synapse/push/httppusher.py +++ b/synapse/push/httppusher.py @@ -22,9 +22,8 @@ from prometheus_client import Counter from twisted.internet import defer from twisted.internet.error import AlreadyCalled, AlreadyCancelled +from synapse.metrics.background_process_metrics import run_as_background_process from synapse.push import PusherConfigException -from synapse.util.logcontext import LoggingContext -from synapse.util.metrics import Measure from . import push_rule_evaluator, push_tools @@ -61,7 +60,7 @@ class HttpPusher(object): self.backoff_delay = HttpPusher.INITIAL_BACKOFF_SEC self.failing_since = pusherdict['failing_since'] self.timed_call = None - self.processing = False + self._is_processing = False # This is the highest stream ordering we know it's safe to process. # When new events arrive, we'll be given a window of new events: we @@ -92,34 +91,27 @@ class HttpPusher(object): self.data_minus_url.update(self.data) del self.data_minus_url['url'] - @defer.inlineCallbacks def on_started(self): - try: - yield self._process() - except Exception: - logger.exception("Error starting http pusher") + self._start_processing() - @defer.inlineCallbacks def on_new_notifications(self, min_stream_ordering, max_stream_ordering): self.max_stream_ordering = max(max_stream_ordering, self.max_stream_ordering or 0) - yield self._process() + self._start_processing() - @defer.inlineCallbacks def on_new_receipts(self, min_stream_id, max_stream_id): # Note that the min here shouldn't be relied upon to be accurate. # We could check the receipts are actually m.read receipts here, # but currently that's the only type of receipt anyway... - with LoggingContext("push.on_new_receipts"): - with Measure(self.clock, "push.on_new_receipts"): - badge = yield push_tools.get_badge_count( - self.hs.get_datastore(), self.user_id - ) - yield self._send_badge(badge) + run_as_background_process("http_pusher.on_new_receipts", self._update_badge) @defer.inlineCallbacks + def _update_badge(self): + badge = yield push_tools.get_badge_count(self.hs.get_datastore(), self.user_id) + yield self._send_badge(badge) + def on_timer(self): - yield self._process() + self._start_processing() def on_stop(self): if self.timed_call: @@ -129,27 +121,31 @@ class HttpPusher(object): pass self.timed_call = None + def _start_processing(self): + if self._is_processing: + return + + run_as_background_process("httppush.process", self._process) + @defer.inlineCallbacks def _process(self): - if self.processing: - return + # we should never get here if we are already processing + assert not self._is_processing - with LoggingContext("push._process"): - with Measure(self.clock, "push._process"): + try: + self._is_processing = True + # if the max ordering changes while we're running _unsafe_process, + # call it again, and so on until we've caught up. + while True: + starting_max_ordering = self.max_stream_ordering try: - self.processing = True - # if the max ordering changes while we're running _unsafe_process, - # call it again, and so on until we've caught up. - while True: - starting_max_ordering = self.max_stream_ordering - try: - yield self._unsafe_process() - except Exception: - logger.exception("Exception processing notifs") - if self.max_stream_ordering == starting_max_ordering: - break - finally: - self.processing = False + yield self._unsafe_process() + except Exception: + logger.exception("Exception processing notifs") + if self.max_stream_ordering == starting_max_ordering: + break + finally: + self._is_processing = False @defer.inlineCallbacks def _unsafe_process(self): diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py index b9dcfee740..16fb5e8471 100644 --- a/synapse/push/mailer.py +++ b/synapse/push/mailer.py @@ -526,12 +526,8 @@ def load_jinja2_templates(config): Returns: (notif_template_html, notif_template_text) """ - logger.info("loading jinja2") - - if config.email_template_dir: - loader = jinja2.FileSystemLoader(config.email_template_dir) - else: - loader = jinja2.PackageLoader('synapse', 'res/templates') + logger.info("loading email templates from '%s'", config.email_template_dir) + loader = jinja2.FileSystemLoader(config.email_template_dir) env = jinja2.Environment(loader=loader) env.filters["format_ts"] = format_ts_filter env.filters["mxc_to_http"] = _create_mxc_to_http_filter(config) diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py index 9f7d5ef217..5a4e73ccd6 100644 --- a/synapse/push/pusherpool.py +++ b/synapse/push/pusherpool.py @@ -20,24 +20,39 @@ from twisted.internet import defer from synapse.metrics.background_process_metrics import run_as_background_process from synapse.push.pusher import PusherFactory -from synapse.util.logcontext import make_deferred_yieldable, run_in_background logger = logging.getLogger(__name__) class PusherPool: + """ + The pusher pool. This is responsible for dispatching notifications of new events to + the http and email pushers. + + It provides three methods which are designed to be called by the rest of the + application: `start`, `on_new_notifications`, and `on_new_receipts`: each of these + delegates to each of the relevant pushers. + + Note that it is expected that each pusher will have its own 'processing' loop which + will send out the notifications in the background, rather than blocking until the + notifications are sent; accordingly Pusher.on_started, Pusher.on_new_notifications and + Pusher.on_new_receipts are not expected to return deferreds. + """ def __init__(self, _hs): self.hs = _hs self.pusher_factory = PusherFactory(_hs) - self.start_pushers = _hs.config.start_pushers + self._should_start_pushers = _hs.config.start_pushers self.store = self.hs.get_datastore() self.clock = self.hs.get_clock() self.pushers = {} - @defer.inlineCallbacks def start(self): - pushers = yield self.store.get_all_pushers() - self._start_pushers(pushers) + """Starts the pushers off in a background process. + """ + if not self._should_start_pushers: + logger.info("Not starting pushers because they are disabled in the config") + return + run_as_background_process("start_pushers", self._start_pushers) @defer.inlineCallbacks def add_pusher(self, user_id, access_token, kind, app_id, @@ -86,7 +101,7 @@ class PusherPool: last_stream_ordering=last_stream_ordering, profile_tag=profile_tag, ) - yield self._refresh_pusher(app_id, pushkey, user_id) + yield self.start_pusher_by_id(app_id, pushkey, user_id) @defer.inlineCallbacks def remove_pushers_by_app_id_and_pushkey_not_user(self, app_id, pushkey, @@ -123,45 +138,23 @@ class PusherPool: p['app_id'], p['pushkey'], p['user_name'], ) - def on_new_notifications(self, min_stream_id, max_stream_id): - run_as_background_process( - "on_new_notifications", - self._on_new_notifications, min_stream_id, max_stream_id, - ) - @defer.inlineCallbacks - def _on_new_notifications(self, min_stream_id, max_stream_id): + def on_new_notifications(self, min_stream_id, max_stream_id): try: users_affected = yield self.store.get_push_action_users_in_range( min_stream_id, max_stream_id ) - deferreds = [] - for u in users_affected: if u in self.pushers: for p in self.pushers[u].values(): - deferreds.append( - run_in_background( - p.on_new_notifications, - min_stream_id, max_stream_id, - ) - ) - - yield make_deferred_yieldable( - defer.gatherResults(deferreds, consumeErrors=True), - ) + p.on_new_notifications(min_stream_id, max_stream_id) + except Exception: logger.exception("Exception in pusher on_new_notifications") - def on_new_receipts(self, min_stream_id, max_stream_id, affected_room_ids): - run_as_background_process( - "on_new_receipts", - self._on_new_receipts, min_stream_id, max_stream_id, affected_room_ids, - ) - @defer.inlineCallbacks - def _on_new_receipts(self, min_stream_id, max_stream_id, affected_room_ids): + def on_new_receipts(self, min_stream_id, max_stream_id, affected_room_ids): try: # Need to subtract 1 from the minimum because the lower bound here # is not inclusive @@ -171,26 +164,20 @@ class PusherPool: # This returns a tuple, user_id is at index 3 users_affected = set([r[3] for r in updated_receipts]) - deferreds = [] - for u in users_affected: if u in self.pushers: for p in self.pushers[u].values(): - deferreds.append( - run_in_background( - p.on_new_receipts, - min_stream_id, max_stream_id, - ) - ) - - yield make_deferred_yieldable( - defer.gatherResults(deferreds, consumeErrors=True), - ) + p.on_new_receipts(min_stream_id, max_stream_id) + except Exception: logger.exception("Exception in pusher on_new_receipts") @defer.inlineCallbacks - def _refresh_pusher(self, app_id, pushkey, user_id): + def start_pusher_by_id(self, app_id, pushkey, user_id): + """Look up the details for the given pusher, and start it""" + if not self._should_start_pushers: + return + resultlist = yield self.store.get_pushers_by_app_id_and_pushkey( app_id, pushkey ) @@ -201,33 +188,49 @@ class PusherPool: p = r if p: + self._start_pusher(p) - self._start_pushers([p]) + @defer.inlineCallbacks + def _start_pushers(self): + """Start all the pushers - def _start_pushers(self, pushers): - if not self.start_pushers: - logger.info("Not starting pushers because they are disabled in the config") - return + Returns: + Deferred + """ + pushers = yield self.store.get_all_pushers() logger.info("Starting %d pushers", len(pushers)) for pusherdict in pushers: - try: - p = self.pusher_factory.create_pusher(pusherdict) - except Exception: - logger.exception("Couldn't start a pusher: caught Exception") - continue - if p: - appid_pushkey = "%s:%s" % ( - pusherdict['app_id'], - pusherdict['pushkey'], - ) - byuser = self.pushers.setdefault(pusherdict['user_name'], {}) + self._start_pusher(pusherdict) + logger.info("Started pushers") - if appid_pushkey in byuser: - byuser[appid_pushkey].on_stop() - byuser[appid_pushkey] = p - run_in_background(p.on_started) + def _start_pusher(self, pusherdict): + """Start the given pusher - logger.info("Started pushers") + Args: + pusherdict (dict): + + Returns: + None + """ + try: + p = self.pusher_factory.create_pusher(pusherdict) + except Exception: + logger.exception("Couldn't start a pusher: caught Exception") + return + + if not p: + return + + appid_pushkey = "%s:%s" % ( + pusherdict['app_id'], + pusherdict['pushkey'], + ) + byuser = self.pushers.setdefault(pusherdict['user_name'], {}) + + if appid_pushkey in byuser: + byuser[appid_pushkey].on_stop() + byuser[appid_pushkey] = p + p.on_started() @defer.inlineCallbacks def remove_pusher(self, app_id, pushkey, user_id): diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py index f51184b50d..943876456b 100644 --- a/synapse/python_dependencies.py +++ b/synapse/python_dependencies.py @@ -53,6 +53,7 @@ REQUIREMENTS = { "pillow>=3.1.2": ["PIL"], "pydenticon>=0.2": ["pydenticon"], "sortedcontainers>=1.4.4": ["sortedcontainers"], + "psutil>=2.0.0": ["psutil>=2.0.0"], "pysaml2>=3.0.0": ["saml2"], "pymacaroons-pynacl>=0.9.3": ["pymacaroons"], "msgpack-python>=0.4.2": ["msgpack"], @@ -79,9 +80,6 @@ CONDITIONAL_REQUIREMENTS = { "matrix-synapse-ldap3": { "matrix-synapse-ldap3>=0.1": ["ldap_auth_provider"], }, - "psutil": { - "psutil>=2.0.0": ["psutil>=2.0.0"], - }, "postgres": { "psycopg2>=2.6": ["psycopg2"] } diff --git a/synapse/rest/client/v2_alpha/auth.py b/synapse/rest/client/v2_alpha/auth.py index bd8b5f4afa..693b303881 100644 --- a/synapse/rest/client/v2_alpha/auth.py +++ b/synapse/rest/client/v2_alpha/auth.py @@ -99,7 +99,7 @@ class AuthRestServlet(RestServlet): cannot be handled in the normal flow (with requests to the same endpoint). Current use is for web fallback auth. """ - PATTERNS = client_v2_patterns("/auth/(?P<stagetype>[\w\.]*)/fallback/web") + PATTERNS = client_v2_patterns(r"/auth/(?P<stagetype>[\w\.]*)/fallback/web") def __init__(self, hs): super(AuthRestServlet, self).__init__() diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index a828ff4438..08b1867fab 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -25,7 +25,7 @@ from six.moves.urllib import parse as urlparse import twisted.internet.error import twisted.web.http -from twisted.internet import defer, threads +from twisted.internet import defer from twisted.web.resource import Resource from synapse.api.errors import ( @@ -36,8 +36,8 @@ from synapse.api.errors import ( ) from synapse.http.matrixfederationclient import MatrixFederationHttpClient from synapse.metrics.background_process_metrics import run_as_background_process +from synapse.util import logcontext from synapse.util.async_helpers import Linearizer -from synapse.util.logcontext import make_deferred_yieldable from synapse.util.retryutils import NotRetryingDestination from synapse.util.stringutils import is_ascii, random_string @@ -492,10 +492,11 @@ class MediaRepository(object): )) thumbnailer = Thumbnailer(input_path) - t_byte_source = yield make_deferred_yieldable(threads.deferToThread( + t_byte_source = yield logcontext.defer_to_thread( + self.hs.get_reactor(), self._generate_thumbnail, thumbnailer, t_width, t_height, t_method, t_type - )) + ) if t_byte_source: try: @@ -534,10 +535,11 @@ class MediaRepository(object): )) thumbnailer = Thumbnailer(input_path) - t_byte_source = yield make_deferred_yieldable(threads.deferToThread( + t_byte_source = yield logcontext.defer_to_thread( + self.hs.get_reactor(), self._generate_thumbnail, thumbnailer, t_width, t_height, t_method, t_type - )) + ) if t_byte_source: try: @@ -620,15 +622,17 @@ class MediaRepository(object): for (t_width, t_height, t_type), t_method in iteritems(thumbnails): # Generate the thumbnail if t_method == "crop": - t_byte_source = yield make_deferred_yieldable(threads.deferToThread( + t_byte_source = yield logcontext.defer_to_thread( + self.hs.get_reactor(), thumbnailer.crop, t_width, t_height, t_type, - )) + ) elif t_method == "scale": - t_byte_source = yield make_deferred_yieldable(threads.deferToThread( + t_byte_source = yield logcontext.defer_to_thread( + self.hs.get_reactor(), thumbnailer.scale, t_width, t_height, t_type, - )) + ) else: logger.error("Unrecognized method: %r", t_method) continue diff --git a/synapse/rest/media/v1/media_storage.py b/synapse/rest/media/v1/media_storage.py index a6189224ee..896078fe76 100644 --- a/synapse/rest/media/v1/media_storage.py +++ b/synapse/rest/media/v1/media_storage.py @@ -21,9 +21,10 @@ import sys import six -from twisted.internet import defer, threads +from twisted.internet import defer from twisted.protocols.basic import FileSender +from synapse.util import logcontext from synapse.util.file_consumer import BackgroundFileConsumer from synapse.util.logcontext import make_deferred_yieldable @@ -64,9 +65,10 @@ class MediaStorage(object): with self.store_into_file(file_info) as (f, fname, finish_cb): # Write to the main repository - yield make_deferred_yieldable(threads.deferToThread( + yield logcontext.defer_to_thread( + self.hs.get_reactor(), _write_file_synchronously, source, f, - )) + ) yield finish_cb() defer.returnValue(fname) diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index 8c892ff187..1a7bfd6b56 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -674,7 +674,7 @@ def summarize_paragraphs(text_nodes, min_size=200, max_size=500): # This splits the paragraph into words, but keeping the # (preceeding) whitespace intact so we can easily concat # words back together. - for match in re.finditer("\s*\S+", description): + for match in re.finditer(r"\s*\S+", description): word = match.group() # Keep adding words while the total length is less than diff --git a/synapse/rest/media/v1/storage_provider.py b/synapse/rest/media/v1/storage_provider.py index 7b9f8b4d79..5aa03031f6 100644 --- a/synapse/rest/media/v1/storage_provider.py +++ b/synapse/rest/media/v1/storage_provider.py @@ -17,9 +17,10 @@ import logging import os import shutil -from twisted.internet import defer, threads +from twisted.internet import defer from synapse.config._base import Config +from synapse.util import logcontext from synapse.util.logcontext import run_in_background from .media_storage import FileResponder @@ -120,7 +121,8 @@ class FileStorageProviderBackend(StorageProvider): if not os.path.exists(dirname): os.makedirs(dirname) - return threads.deferToThread( + return logcontext.defer_to_thread( + self.hs.get_reactor(), shutil.copyfile, primary_fname, backup_fname, ) diff --git a/synapse/state/__init__.py b/synapse/state/__init__.py index b22495c1f9..9b40b18d5b 100644 --- a/synapse/state/__init__.py +++ b/synapse/state/__init__.py @@ -19,13 +19,14 @@ from collections import namedtuple from six import iteritems, itervalues +import attr from frozendict import frozendict from twisted.internet import defer from synapse.api.constants import EventTypes, RoomVersions from synapse.events.snapshot import EventContext -from synapse.state import v1 +from synapse.state import v1, v2 from synapse.util.async_helpers import Linearizer from synapse.util.caches import get_cache_factor_for from synapse.util.caches.expiringcache import ExpiringCache @@ -372,15 +373,10 @@ class StateHandler(object): result = yield self._state_resolution_handler.resolve_state_groups( room_id, room_version, state_groups_ids, None, - self._state_map_factory, + state_res_store=StateResolutionStore(self.store), ) defer.returnValue(result) - def _state_map_factory(self, ev_ids): - return self.store.get_events( - ev_ids, get_prev_content=False, check_redacted=False, - ) - @defer.inlineCallbacks def resolve_events(self, room_version, state_sets, event): logger.info( @@ -398,10 +394,10 @@ class StateHandler(object): } with Measure(self.clock, "state._resolve_events"): - new_state = yield resolve_events_with_factory( + new_state = yield resolve_events_with_store( room_version, state_set_ids, event_map=state_map, - state_map_factory=self._state_map_factory + state_res_store=StateResolutionStore(self.store), ) new_state = { @@ -436,7 +432,7 @@ class StateResolutionHandler(object): @defer.inlineCallbacks @log_function def resolve_state_groups( - self, room_id, room_version, state_groups_ids, event_map, state_map_factory, + self, room_id, room_version, state_groups_ids, event_map, state_res_store, ): """Resolves conflicts between a set of state groups @@ -454,9 +450,11 @@ class StateResolutionHandler(object): a dict from event_id to event, for any events that we happen to have in flight (eg, those currently being persisted). This will be used as a starting point fof finding the state we need; any missing - events will be requested via state_map_factory. + events will be requested via state_res_store. + + If None, all events will be fetched via state_res_store. - If None, all events will be fetched via state_map_factory. + state_res_store (StateResolutionStore) Returns: Deferred[_StateCacheEntry]: resolved state @@ -480,10 +478,10 @@ class StateResolutionHandler(object): # start by assuming we won't have any conflicted state, and build up the new # state map by iterating through the state groups. If we discover a conflict, - # we give up and instead use `resolve_events_with_factory`. + # we give up and instead use `resolve_events_with_store`. # # XXX: is this actually worthwhile, or should we just let - # resolve_events_with_factory do it? + # resolve_events_with_store do it? new_state = {} conflicted_state = False for st in itervalues(state_groups_ids): @@ -498,11 +496,11 @@ class StateResolutionHandler(object): if conflicted_state: logger.info("Resolving conflicted state for %r", room_id) with Measure(self.clock, "state._resolve_events"): - new_state = yield resolve_events_with_factory( + new_state = yield resolve_events_with_store( room_version, list(itervalues(state_groups_ids)), event_map=event_map, - state_map_factory=state_map_factory, + state_res_store=state_res_store, ) # if the new state matches any of the input state groups, we can @@ -583,7 +581,7 @@ def _make_state_cache_entry( ) -def resolve_events_with_factory(room_version, state_sets, event_map, state_map_factory): +def resolve_events_with_store(room_version, state_sets, event_map, state_res_store): """ Args: room_version(str): Version of the room @@ -599,17 +597,19 @@ def resolve_events_with_factory(room_version, state_sets, event_map, state_map_f If None, all events will be fetched via state_map_factory. - state_map_factory(func): will be called - with a list of event_ids that are needed, and should return with - a Deferred of dict of event_id to event. + state_res_store (StateResolutionStore) Returns Deferred[dict[(str, str), str]]: a map from (type, state_key) to event_id. """ - if room_version in (RoomVersions.V1, RoomVersions.VDH_TEST,): - return v1.resolve_events_with_factory( - state_sets, event_map, state_map_factory, + if room_version == RoomVersions.V1: + return v1.resolve_events_with_store( + state_sets, event_map, state_res_store.get_events, + ) + elif room_version == RoomVersions.VDH_TEST: + return v2.resolve_events_with_store( + state_sets, event_map, state_res_store, ) else: # This should only happen if we added a version but forgot to add it to @@ -617,3 +617,54 @@ def resolve_events_with_factory(room_version, state_sets, event_map, state_map_f raise Exception( "No state resolution algorithm defined for version %r" % (room_version,) ) + + +@attr.s +class StateResolutionStore(object): + """Interface that allows state resolution algorithms to access the database + in well defined way. + + Args: + store (DataStore) + """ + + store = attr.ib() + + def get_events(self, event_ids, allow_rejected=False): + """Get events from the database + + Args: + event_ids (list): The event_ids of the events to fetch + allow_rejected (bool): If True return rejected events. + + Returns: + Deferred[dict[str, FrozenEvent]]: Dict from event_id to event. + """ + + return self.store.get_events( + event_ids, + check_redacted=False, + get_prev_content=False, + allow_rejected=allow_rejected, + ) + + def get_auth_chain(self, event_ids): + """Gets the full auth chain for a set of events (including rejected + events). + + Includes the given event IDs in the result. + + Note that: + 1. All events must be state events. + 2. For v1 rooms this may not have the full auth chain in the + presence of rejected events + + Args: + event_ids (list): The event IDs of the events to fetch the auth + chain for. Must be state events. + + Returns: + Deferred[list[str]]: List of event IDs of the auth chain. + """ + + return self.store.get_auth_chain_ids(event_ids, include_given=True) diff --git a/synapse/state/v1.py b/synapse/state/v1.py index 7a7157b352..70a981f4a2 100644 --- a/synapse/state/v1.py +++ b/synapse/state/v1.py @@ -31,7 +31,7 @@ POWER_KEY = (EventTypes.PowerLevels, "") @defer.inlineCallbacks -def resolve_events_with_factory(state_sets, event_map, state_map_factory): +def resolve_events_with_store(state_sets, event_map, state_map_factory): """ Args: state_sets(list): List of dicts of (type, state_key) -> event_id, diff --git a/synapse/state/v2.py b/synapse/state/v2.py new file mode 100644 index 0000000000..5d06f7e928 --- /dev/null +++ b/synapse/state/v2.py @@ -0,0 +1,544 @@ +# -*- coding: utf-8 -*- +# Copyright 2018 New Vector Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import heapq +import itertools +import logging + +from six import iteritems, itervalues + +from twisted.internet import defer + +from synapse import event_auth +from synapse.api.constants import EventTypes +from synapse.api.errors import AuthError + +logger = logging.getLogger(__name__) + + +@defer.inlineCallbacks +def resolve_events_with_store(state_sets, event_map, state_res_store): + """Resolves the state using the v2 state resolution algorithm + + Args: + state_sets(list): List of dicts of (type, state_key) -> event_id, + which are the different state groups to resolve. + + event_map(dict[str,FrozenEvent]|None): + a dict from event_id to event, for any events that we happen to + have in flight (eg, those currently being persisted). This will be + used as a starting point fof finding the state we need; any missing + events will be requested via state_res_store. + + If None, all events will be fetched via state_res_store. + + state_res_store (StateResolutionStore) + + Returns + Deferred[dict[(str, str), str]]: + a map from (type, state_key) to event_id. + """ + + logger.debug("Computing conflicted state") + + # First split up the un/conflicted state + unconflicted_state, conflicted_state = _seperate(state_sets) + + if not conflicted_state: + defer.returnValue(unconflicted_state) + + logger.debug("%d conflicted state entries", len(conflicted_state)) + logger.debug("Calculating auth chain difference") + + # Also fetch all auth events that appear in only some of the state sets' + # auth chains. + auth_diff = yield _get_auth_chain_difference( + state_sets, event_map, state_res_store, + ) + + full_conflicted_set = set(itertools.chain( + itertools.chain.from_iterable(itervalues(conflicted_state)), + auth_diff, + )) + + events = yield state_res_store.get_events([ + eid for eid in full_conflicted_set + if eid not in event_map + ], allow_rejected=True) + event_map.update(events) + + full_conflicted_set = set(eid for eid in full_conflicted_set if eid in event_map) + + logger.debug("%d full_conflicted_set entries", len(full_conflicted_set)) + + # Get and sort all the power events (kicks/bans/etc) + power_events = ( + eid for eid in full_conflicted_set + if _is_power_event(event_map[eid]) + ) + + sorted_power_events = yield _reverse_topological_power_sort( + power_events, + event_map, + state_res_store, + full_conflicted_set, + ) + + logger.debug("sorted %d power events", len(sorted_power_events)) + + # Now sequentially auth each one + resolved_state = yield _iterative_auth_checks( + sorted_power_events, unconflicted_state, event_map, + state_res_store, + ) + + logger.debug("resolved power events") + + # OK, so we've now resolved the power events. Now sort the remaining + # events using the mainline of the resolved power level. + + leftover_events = [ + ev_id + for ev_id in full_conflicted_set + if ev_id not in sorted_power_events + ] + + logger.debug("sorting %d remaining events", len(leftover_events)) + + pl = resolved_state.get((EventTypes.PowerLevels, ""), None) + leftover_events = yield _mainline_sort( + leftover_events, pl, event_map, state_res_store, + ) + + logger.debug("resolving remaining events") + + resolved_state = yield _iterative_auth_checks( + leftover_events, resolved_state, event_map, + state_res_store, + ) + + logger.debug("resolved") + + # We make sure that unconflicted state always still applies. + resolved_state.update(unconflicted_state) + + logger.debug("done") + + defer.returnValue(resolved_state) + + +@defer.inlineCallbacks +def _get_power_level_for_sender(event_id, event_map, state_res_store): + """Return the power level of the sender of the given event according to + their auth events. + + Args: + event_id (str) + event_map (dict[str,FrozenEvent]) + state_res_store (StateResolutionStore) + + Returns: + Deferred[int] + """ + event = yield _get_event(event_id, event_map, state_res_store) + + pl = None + for aid, _ in event.auth_events: + aev = yield _get_event(aid, event_map, state_res_store) + if (aev.type, aev.state_key) == (EventTypes.PowerLevels, ""): + pl = aev + break + + if pl is None: + # Couldn't find power level. Check if they're the creator of the room + for aid, _ in event.auth_events: + aev = yield _get_event(aid, event_map, state_res_store) + if (aev.type, aev.state_key) == (EventTypes.Create, ""): + if aev.content.get("creator") == event.sender: + defer.returnValue(100) + break + defer.returnValue(0) + + level = pl.content.get("users", {}).get(event.sender) + if level is None: + level = pl.content.get("users_default", 0) + + if level is None: + defer.returnValue(0) + else: + defer.returnValue(int(level)) + + +@defer.inlineCallbacks +def _get_auth_chain_difference(state_sets, event_map, state_res_store): + """Compare the auth chains of each state set and return the set of events + that only appear in some but not all of the auth chains. + + Args: + state_sets (list) + event_map (dict[str,FrozenEvent]) + state_res_store (StateResolutionStore) + + Returns: + Deferred[set[str]]: Set of event IDs + """ + common = set(itervalues(state_sets[0])).intersection( + *(itervalues(s) for s in state_sets[1:]) + ) + + auth_sets = [] + for state_set in state_sets: + auth_ids = set( + eid + for key, eid in iteritems(state_set) + if (key[0] in ( + EventTypes.Member, + EventTypes.ThirdPartyInvite, + ) or key in ( + (EventTypes.PowerLevels, ''), + (EventTypes.Create, ''), + (EventTypes.JoinRules, ''), + )) and eid not in common + ) + + auth_chain = yield state_res_store.get_auth_chain(auth_ids) + auth_ids.update(auth_chain) + + auth_sets.append(auth_ids) + + intersection = set(auth_sets[0]).intersection(*auth_sets[1:]) + union = set().union(*auth_sets) + + defer.returnValue(union - intersection) + + +def _seperate(state_sets): + """Return the unconflicted and conflicted state. This is different than in + the original algorithm, as this defines a key to be conflicted if one of + the state sets doesn't have that key. + + Args: + state_sets (list) + + Returns: + tuple[dict, dict]: A tuple of unconflicted and conflicted state. The + conflicted state dict is a map from type/state_key to set of event IDs + """ + unconflicted_state = {} + conflicted_state = {} + + for key in set(itertools.chain.from_iterable(state_sets)): + event_ids = set(state_set.get(key) for state_set in state_sets) + if len(event_ids) == 1: + unconflicted_state[key] = event_ids.pop() + else: + event_ids.discard(None) + conflicted_state[key] = event_ids + + return unconflicted_state, conflicted_state + + +def _is_power_event(event): + """Return whether or not the event is a "power event", as defined by the + v2 state resolution algorithm + + Args: + event (FrozenEvent) + + Returns: + boolean + """ + if (event.type, event.state_key) in ( + (EventTypes.PowerLevels, ""), + (EventTypes.JoinRules, ""), + (EventTypes.Create, ""), + ): + return True + + if event.type == EventTypes.Member: + if event.membership in ('leave', 'ban'): + return event.sender != event.state_key + + return False + + +@defer.inlineCallbacks +def _add_event_and_auth_chain_to_graph(graph, event_id, event_map, + state_res_store, auth_diff): + """Helper function for _reverse_topological_power_sort that add the event + and its auth chain (that is in the auth diff) to the graph + + Args: + graph (dict[str, set[str]]): A map from event ID to the events auth + event IDs + event_id (str): Event to add to the graph + event_map (dict[str,FrozenEvent]) + state_res_store (StateResolutionStore) + auth_diff (set[str]): Set of event IDs that are in the auth difference. + """ + + state = [event_id] + while state: + eid = state.pop() + graph.setdefault(eid, set()) + + event = yield _get_event(eid, event_map, state_res_store) + for aid, _ in event.auth_events: + if aid in auth_diff: + if aid not in graph: + state.append(aid) + + graph.setdefault(eid, set()).add(aid) + + +@defer.inlineCallbacks +def _reverse_topological_power_sort(event_ids, event_map, state_res_store, auth_diff): + """Returns a list of the event_ids sorted by reverse topological ordering, + and then by power level and origin_server_ts + + Args: + event_ids (list[str]): The events to sort + event_map (dict[str,FrozenEvent]) + state_res_store (StateResolutionStore) + auth_diff (set[str]): Set of event IDs that are in the auth difference. + + Returns: + Deferred[list[str]]: The sorted list + """ + + graph = {} + for event_id in event_ids: + yield _add_event_and_auth_chain_to_graph( + graph, event_id, event_map, state_res_store, auth_diff, + ) + + event_to_pl = {} + for event_id in graph: + pl = yield _get_power_level_for_sender(event_id, event_map, state_res_store) + event_to_pl[event_id] = pl + + def _get_power_order(event_id): + ev = event_map[event_id] + pl = event_to_pl[event_id] + + return -pl, ev.origin_server_ts, event_id + + # Note: graph is modified during the sort + it = lexicographical_topological_sort( + graph, + key=_get_power_order, + ) + sorted_events = list(it) + + defer.returnValue(sorted_events) + + +@defer.inlineCallbacks +def _iterative_auth_checks(event_ids, base_state, event_map, state_res_store): + """Sequentially apply auth checks to each event in given list, updating the + state as it goes along. + + Args: + event_ids (list[str]): Ordered list of events to apply auth checks to + base_state (dict[tuple[str, str], str]): The set of state to start with + event_map (dict[str,FrozenEvent]) + state_res_store (StateResolutionStore) + + Returns: + Deferred[dict[tuple[str, str], str]]: Returns the final updated state + """ + resolved_state = base_state.copy() + + for event_id in event_ids: + event = event_map[event_id] + + auth_events = {} + for aid, _ in event.auth_events: + ev = yield _get_event(aid, event_map, state_res_store) + + if ev.rejected_reason is None: + auth_events[(ev.type, ev.state_key)] = ev + + for key in event_auth.auth_types_for_event(event): + if key in resolved_state: + ev_id = resolved_state[key] + ev = yield _get_event(ev_id, event_map, state_res_store) + + if ev.rejected_reason is None: + auth_events[key] = event_map[ev_id] + + try: + event_auth.check( + event, auth_events, + do_sig_check=False, + do_size_check=False + ) + + resolved_state[(event.type, event.state_key)] = event_id + except AuthError: + pass + + defer.returnValue(resolved_state) + + +@defer.inlineCallbacks +def _mainline_sort(event_ids, resolved_power_event_id, event_map, + state_res_store): + """Returns a sorted list of event_ids sorted by mainline ordering based on + the given event resolved_power_event_id + + Args: + event_ids (list[str]): Events to sort + resolved_power_event_id (str): The final resolved power level event ID + event_map (dict[str,FrozenEvent]) + state_res_store (StateResolutionStore) + + Returns: + Deferred[list[str]]: The sorted list + """ + mainline = [] + pl = resolved_power_event_id + while pl: + mainline.append(pl) + pl_ev = yield _get_event(pl, event_map, state_res_store) + auth_events = pl_ev.auth_events + pl = None + for aid, _ in auth_events: + ev = yield _get_event(aid, event_map, state_res_store) + if (ev.type, ev.state_key) == (EventTypes.PowerLevels, ""): + pl = aid + break + + mainline_map = {ev_id: i + 1 for i, ev_id in enumerate(reversed(mainline))} + + event_ids = list(event_ids) + + order_map = {} + for ev_id in event_ids: + depth = yield _get_mainline_depth_for_event( + event_map[ev_id], mainline_map, + event_map, state_res_store, + ) + order_map[ev_id] = (depth, event_map[ev_id].origin_server_ts, ev_id) + + event_ids.sort(key=lambda ev_id: order_map[ev_id]) + + defer.returnValue(event_ids) + + +@defer.inlineCallbacks +def _get_mainline_depth_for_event(event, mainline_map, event_map, state_res_store): + """Get the mainline depths for the given event based on the mainline map + + Args: + event (FrozenEvent) + mainline_map (dict[str, int]): Map from event_id to mainline depth for + events in the mainline. + event_map (dict[str,FrozenEvent]) + state_res_store (StateResolutionStore) + + Returns: + Deferred[int] + """ + + # We do an iterative search, replacing `event with the power level in its + # auth events (if any) + while event: + depth = mainline_map.get(event.event_id) + if depth is not None: + defer.returnValue(depth) + + auth_events = event.auth_events + event = None + + for aid, _ in auth_events: + aev = yield _get_event(aid, event_map, state_res_store) + if (aev.type, aev.state_key) == (EventTypes.PowerLevels, ""): + event = aev + break + + # Didn't find a power level auth event, so we just return 0 + defer.returnValue(0) + + +@defer.inlineCallbacks +def _get_event(event_id, event_map, state_res_store): + """Helper function to look up event in event_map, falling back to looking + it up in the store + + Args: + event_id (str) + event_map (dict[str,FrozenEvent]) + state_res_store (StateResolutionStore) + + Returns: + Deferred[FrozenEvent] + """ + if event_id not in event_map: + events = yield state_res_store.get_events([event_id], allow_rejected=True) + event_map.update(events) + defer.returnValue(event_map[event_id]) + + +def lexicographical_topological_sort(graph, key): + """Performs a lexicographic reverse topological sort on the graph. + + This returns a reverse topological sort (i.e. if node A references B then B + appears before A in the sort), with ties broken lexicographically based on + return value of the `key` function. + + NOTE: `graph` is modified during the sort. + + Args: + graph (dict[str, set[str]]): A representation of the graph where each + node is a key in the dict and its value are the nodes edges. + key (func): A function that takes a node and returns a value that is + comparable and used to order nodes + + Yields: + str: The next node in the topological sort + """ + + # Note, this is basically Kahn's algorithm except we look at nodes with no + # outgoing edges, c.f. + # https://en.wikipedia.org/wiki/Topological_sorting#Kahn's_algorithm + outdegree_map = graph + reverse_graph = {} + + # Lists of nodes with zero out degree. Is actually a tuple of + # `(key(node), node)` so that sorting does the right thing + zero_outdegree = [] + + for node, edges in iteritems(graph): + if len(edges) == 0: + zero_outdegree.append((key(node), node)) + + reverse_graph.setdefault(node, set()) + for edge in edges: + reverse_graph.setdefault(edge, set()).add(node) + + # heapq is a built in implementation of a sorted queue. + heapq.heapify(zero_outdegree) + + while zero_outdegree: + _, node = heapq.heappop(zero_outdegree) + + for parent in reverse_graph[node]: + out = outdegree_map[parent] + out.discard(node) + if len(out) == 0: + heapq.heappush(zero_outdegree, (key(parent), parent)) + + yield node diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index be61147b9b..d9d0255d0b 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -18,7 +18,7 @@ import threading import time from six import PY2, iteritems, iterkeys, itervalues -from six.moves import intern, range +from six.moves import builtins, intern, range from canonicaljson import json from prometheus_client import Histogram @@ -1233,7 +1233,7 @@ def db_to_json(db_content): # psycopg2 on Python 2 returns buffer objects, which we need to cast to # bytes to decode - if PY2 and isinstance(db_content, buffer): + if PY2 and isinstance(db_content, builtins.buffer): db_content = bytes(db_content) # Decode it to a Unicode string before feeding it to json.loads, so we diff --git a/synapse/storage/directory.py b/synapse/storage/directory.py index cfb687cb53..61a029a53c 100644 --- a/synapse/storage/directory.py +++ b/synapse/storage/directory.py @@ -90,7 +90,7 @@ class DirectoryWorkerStore(SQLBaseStore): class DirectoryStore(DirectoryWorkerStore): @defer.inlineCallbacks def create_room_alias_association(self, room_alias, room_id, servers, creator=None): - """ Creates an associatin between a room alias and room_id/servers + """ Creates an association between a room alias and room_id/servers Args: room_alias (RoomAlias) diff --git a/synapse/storage/events.py b/synapse/storage/events.py index 03cedf3a75..c780f55277 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -34,6 +34,7 @@ from synapse.api.errors import SynapseError from synapse.events import EventBase # noqa: F401 from synapse.events.snapshot import EventContext # noqa: F401 from synapse.metrics.background_process_metrics import run_as_background_process +from synapse.state import StateResolutionStore from synapse.storage.background_updates import BackgroundUpdateStore from synapse.storage.event_federation import EventFederationStore from synapse.storage.events_worker import EventsWorkerStore @@ -731,11 +732,6 @@ class EventsStore(EventFederationStore, EventsWorkerStore, BackgroundUpdateStore # Ok, we need to defer to the state handler to resolve our state sets. - def get_events(ev_ids): - return self.get_events( - ev_ids, get_prev_content=False, check_redacted=False, - ) - state_groups = { sg: state_groups_map[sg] for sg in new_state_groups } @@ -745,7 +741,8 @@ class EventsStore(EventFederationStore, EventsWorkerStore, BackgroundUpdateStore logger.debug("calling resolve_state_groups from preserve_events") res = yield self._state_resolution_handler.resolve_state_groups( - room_id, room_version, state_groups, events_map, get_events + room_id, room_version, state_groups, events_map, + state_res_store=StateResolutionStore(self) ) defer.returnValue((res.state, None)) @@ -854,6 +851,27 @@ class EventsStore(EventFederationStore, EventsWorkerStore, BackgroundUpdateStore # Insert into event_to_state_groups. self._store_event_state_mappings_txn(txn, events_and_contexts) + # We want to store event_auth mappings for rejected events, as they're + # used in state res v2. + # This is only necessary if the rejected event appears in an accepted + # event's auth chain, but its easier for now just to store them (and + # it doesn't take much storage compared to storing the entire event + # anyway). + self._simple_insert_many_txn( + txn, + table="event_auth", + values=[ + { + "event_id": event.event_id, + "room_id": event.room_id, + "auth_id": auth_id, + } + for event, _ in events_and_contexts + for auth_id, _ in event.auth_events + if event.is_state() + ], + ) + # _store_rejected_events_txn filters out any events which were # rejected, and returns the filtered list. events_and_contexts = self._store_rejected_events_txn( @@ -1329,21 +1347,6 @@ class EventsStore(EventFederationStore, EventsWorkerStore, BackgroundUpdateStore txn, event.room_id, event.redacts ) - self._simple_insert_many_txn( - txn, - table="event_auth", - values=[ - { - "event_id": event.event_id, - "room_id": event.room_id, - "auth_id": auth_id, - } - for event, _ in events_and_contexts - for auth_id, _ in event.auth_events - if event.is_state() - ], - ) - # Update the event_forward_extremities, event_backward_extremities and # event_edges tables. self._handle_mult_prev_events( diff --git a/synapse/storage/keys.py b/synapse/storage/keys.py index a1331c1a61..8af17921e3 100644 --- a/synapse/storage/keys.py +++ b/synapse/storage/keys.py @@ -32,7 +32,7 @@ logger = logging.getLogger(__name__) # py2 sqlite has buffer hardcoded as only binary type, so we must use it, # despite being deprecated and removed in favor of memoryview if six.PY2: - db_binary_type = buffer + db_binary_type = six.moves.builtins.buffer else: db_binary_type = memoryview diff --git a/synapse/storage/pusher.py b/synapse/storage/pusher.py index c7987bfcdd..2743b52bad 100644 --- a/synapse/storage/pusher.py +++ b/synapse/storage/pusher.py @@ -29,7 +29,7 @@ from ._base import SQLBaseStore logger = logging.getLogger(__name__) if six.PY2: - db_binary_type = buffer + db_binary_type = six.moves.builtins.buffer else: db_binary_type = memoryview diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py index 26b429e307..2dd14aba1c 100644 --- a/synapse/storage/registration.py +++ b/synapse/storage/registration.py @@ -567,7 +567,7 @@ class RegistrationStore(RegistrationWorkerStore, def _find_next_generated_user_id(txn): txn.execute("SELECT name FROM users") - regex = re.compile("^@(\d+):") + regex = re.compile(r"^@(\d+):") found = set() diff --git a/synapse/storage/signatures.py b/synapse/storage/signatures.py index 5623391f6e..158e9dbe7b 100644 --- a/synapse/storage/signatures.py +++ b/synapse/storage/signatures.py @@ -27,7 +27,7 @@ from ._base import SQLBaseStore # py2 sqlite has buffer hardcoded as only binary type, so we must use it, # despite being deprecated and removed in favor of memoryview if six.PY2: - db_binary_type = buffer + db_binary_type = six.moves.builtins.buffer else: db_binary_type = memoryview diff --git a/synapse/storage/transactions.py b/synapse/storage/transactions.py index a3032cdce9..d8bf953ec0 100644 --- a/synapse/storage/transactions.py +++ b/synapse/storage/transactions.py @@ -30,7 +30,7 @@ from ._base import SQLBaseStore, db_to_json # py2 sqlite has buffer hardcoded as only binary type, so we must use it, # despite being deprecated and removed in favor of memoryview if six.PY2: - db_binary_type = buffer + db_binary_type = six.moves.builtins.buffer else: db_binary_type = memoryview diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index f2bde74dc5..625aedc940 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -15,6 +15,8 @@ import logging +from six import integer_types + from sortedcontainers import SortedDict from synapse.util import caches @@ -47,7 +49,7 @@ class StreamChangeCache(object): def has_entity_changed(self, entity, stream_pos): """Returns True if the entity may have been updated since stream_pos """ - assert type(stream_pos) is int or type(stream_pos) is long + assert type(stream_pos) in integer_types if stream_pos < self._earliest_known_stream_pos: self.metrics.inc_misses() diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py index 89224b26cc..4c6e92beb8 100644 --- a/synapse/util/logcontext.py +++ b/synapse/util/logcontext.py @@ -25,7 +25,7 @@ See doc/log_contexts.rst for details on how this works. import logging import threading -from twisted.internet import defer +from twisted.internet import defer, threads logger = logging.getLogger(__name__) @@ -562,58 +562,76 @@ def _set_context_cb(result, context): return result -# modules to ignore in `logcontext_tracer` -_to_ignore = [ - "synapse.util.logcontext", - "synapse.http.server", - "synapse.storage._base", - "synapse.util.async_helpers", -] +def defer_to_thread(reactor, f, *args, **kwargs): + """ + Calls the function `f` using a thread from the reactor's default threadpool and + returns the result as a Deferred. + + Creates a new logcontext for `f`, which is created as a child of the current + logcontext (so its CPU usage metrics will get attributed to the current + logcontext). `f` should preserve the logcontext it is given. + + The result deferred follows the Synapse logcontext rules: you should `yield` + on it. + + Args: + reactor (twisted.internet.base.ReactorBase): The reactor in whose main thread + the Deferred will be invoked, and whose threadpool we should use for the + function. + + Normally this will be hs.get_reactor(). + + f (callable): The function to call. + args: positional arguments to pass to f. -def logcontext_tracer(frame, event, arg): - """A tracer that logs whenever a logcontext "unexpectedly" changes within - a function. Probably inaccurate. + kwargs: keyword arguments to pass to f. - Use by calling `sys.settrace(logcontext_tracer)` in the main thread. + Returns: + Deferred: A Deferred which fires a callback with the result of `f`, or an + errback if `f` throws an exception. """ - if event == 'call': - name = frame.f_globals["__name__"] - if name.startswith("synapse"): - if name == "synapse.util.logcontext": - if frame.f_code.co_name in ["__enter__", "__exit__"]: - tracer = frame.f_back.f_trace - if tracer: - tracer.just_changed = True - - tracer = frame.f_trace - if tracer: - return tracer - - if not any(name.startswith(ig) for ig in _to_ignore): - return LineTracer() - - -class LineTracer(object): - __slots__ = ["context", "just_changed"] - - def __init__(self): - self.context = LoggingContext.current_context() - self.just_changed = False - - def __call__(self, frame, event, arg): - if event in 'line': - if self.just_changed: - self.context = LoggingContext.current_context() - self.just_changed = False - else: - c = LoggingContext.current_context() - if c != self.context: - logger.info( - "Context changed! %s -> %s, %s, %s", - self.context, c, - frame.f_code.co_filename, frame.f_lineno - ) - self.context = c + return defer_to_threadpool(reactor, reactor.getThreadPool(), f, *args, **kwargs) - return self + +def defer_to_threadpool(reactor, threadpool, f, *args, **kwargs): + """ + A wrapper for twisted.internet.threads.deferToThreadpool, which handles + logcontexts correctly. + + Calls the function `f` using a thread from the given threadpool and returns + the result as a Deferred. + + Creates a new logcontext for `f`, which is created as a child of the current + logcontext (so its CPU usage metrics will get attributed to the current + logcontext). `f` should preserve the logcontext it is given. + + The result deferred follows the Synapse logcontext rules: you should `yield` + on it. + + Args: + reactor (twisted.internet.base.ReactorBase): The reactor in whose main thread + the Deferred will be invoked. Normally this will be hs.get_reactor(). + + threadpool (twisted.python.threadpool.ThreadPool): The threadpool to use for + running `f`. Normally this will be hs.get_reactor().getThreadPool(). + + f (callable): The function to call. + + args: positional arguments to pass to f. + + kwargs: keyword arguments to pass to f. + + Returns: + Deferred: A Deferred which fires a callback with the result of `f`, or an + errback if `f` throws an exception. + """ + logcontext = LoggingContext.current_context() + + def g(): + with LoggingContext(parent_context=logcontext): + return f(*args, **kwargs) + + return make_deferred_yieldable( + threads.deferToThreadPool(reactor, threadpool, g) + ) diff --git a/synapse/util/manhole.py b/synapse/util/manhole.py index 8d0f2a8918..9cb7e9c9ab 100644 --- a/synapse/util/manhole.py +++ b/synapse/util/manhole.py @@ -70,6 +70,8 @@ def manhole(username, password, globals): Returns: twisted.internet.protocol.Factory: A factory to pass to ``listenTCP`` """ + if not isinstance(password, bytes): + password = password.encode('ascii') checker = checkers.InMemoryUsernamePasswordDatabaseDontUse( **{username: password} @@ -82,7 +84,7 @@ def manhole(username, password, globals): ) factory = manhole_ssh.ConchFactory(portal.Portal(rlm, [checker])) - factory.publicKeys['ssh-rsa'] = Key.fromString(PUBLIC_KEY) - factory.privateKeys['ssh-rsa'] = Key.fromString(PRIVATE_KEY) + factory.publicKeys[b'ssh-rsa'] = Key.fromString(PUBLIC_KEY) + factory.privateKeys[b'ssh-rsa'] = Key.fromString(PRIVATE_KEY) return factory |