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| author | Matthew Hodgson <matthew@arasphere.net> | 2018-07-23 10:03:28 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-07-23 10:03:28 +0100 |
| commit | 9b34f3ea3af233d70412565290468092cf3c5984 (patch) | |
| tree | dcfc00333a843cdc3a011249ef78f8438804dbd4 /synapse | |
| parent | add trailing comma (diff) | |
| parent | Make the rest of the .iterwhatever go away (#3562) (diff) | |
| download | synapse-9b34f3ea3af233d70412565290468092cf3c5984.tar.xz | |
Merge branch 'develop' into matthew/sync_deleted_devices
Diffstat (limited to 'synapse')
56 files changed, 1056 insertions, 672 deletions
diff --git a/synapse/__init__.py b/synapse/__init__.py index 3cde33c0d7..5c0f2f83aa 100644 --- a/synapse/__init__.py +++ b/synapse/__init__.py @@ -17,4 +17,4 @@ """ This is a reference implementation of a Matrix home server. """ -__version__ = "0.32.2" +__version__ = "0.33.0" diff --git a/synapse/api/auth.py b/synapse/api/auth.py index 6dec862fec..bc629832d9 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -193,7 +193,7 @@ class Auth(object): synapse.types.create_requester(user_id, app_service=app_service) ) - access_token = get_access_token_from_request( + access_token = self.get_access_token_from_request( request, self.TOKEN_NOT_FOUND_HTTP_STATUS ) @@ -239,7 +239,7 @@ class Auth(object): @defer.inlineCallbacks def _get_appservice_user_id(self, request): app_service = self.store.get_app_service_by_token( - get_access_token_from_request( + self.get_access_token_from_request( request, self.TOKEN_NOT_FOUND_HTTP_STATUS ) ) @@ -513,7 +513,7 @@ class Auth(object): def get_appservice_by_req(self, request): try: - token = get_access_token_from_request( + token = self.get_access_token_from_request( request, self.TOKEN_NOT_FOUND_HTTP_STATUS ) service = self.store.get_app_service_by_token(token) @@ -673,67 +673,67 @@ class Auth(object): " edit its room list entry" ) + @staticmethod + def has_access_token(request): + """Checks if the request has an access_token. -def has_access_token(request): - """Checks if the request has an access_token. + Returns: + bool: False if no access_token was given, True otherwise. + """ + query_params = request.args.get("access_token") + auth_headers = request.requestHeaders.getRawHeaders(b"Authorization") + return bool(query_params) or bool(auth_headers) - Returns: - bool: False if no access_token was given, True otherwise. - """ - query_params = request.args.get("access_token") - auth_headers = request.requestHeaders.getRawHeaders(b"Authorization") - return bool(query_params) or bool(auth_headers) - - -def get_access_token_from_request(request, token_not_found_http_status=401): - """Extracts the access_token from the request. - - Args: - request: The http request. - token_not_found_http_status(int): The HTTP status code to set in the - AuthError if the token isn't found. This is used in some of the - legacy APIs to change the status code to 403 from the default of - 401 since some of the old clients depended on auth errors returning - 403. - Returns: - str: The access_token - Raises: - AuthError: If there isn't an access_token in the request. - """ + @staticmethod + def get_access_token_from_request(request, token_not_found_http_status=401): + """Extracts the access_token from the request. - auth_headers = request.requestHeaders.getRawHeaders(b"Authorization") - query_params = request.args.get(b"access_token") - if auth_headers: - # Try the get the access_token from a "Authorization: Bearer" - # header - if query_params is not None: - raise AuthError( - token_not_found_http_status, - "Mixing Authorization headers and access_token query parameters.", - errcode=Codes.MISSING_TOKEN, - ) - if len(auth_headers) > 1: - raise AuthError( - token_not_found_http_status, - "Too many Authorization headers.", - errcode=Codes.MISSING_TOKEN, - ) - parts = auth_headers[0].split(" ") - if parts[0] == "Bearer" and len(parts) == 2: - return parts[1] + Args: + request: The http request. + token_not_found_http_status(int): The HTTP status code to set in the + AuthError if the token isn't found. This is used in some of the + legacy APIs to change the status code to 403 from the default of + 401 since some of the old clients depended on auth errors returning + 403. + Returns: + str: The access_token + Raises: + AuthError: If there isn't an access_token in the request. + """ + + auth_headers = request.requestHeaders.getRawHeaders(b"Authorization") + query_params = request.args.get(b"access_token") + if auth_headers: + # Try the get the access_token from a "Authorization: Bearer" + # header + if query_params is not None: + raise AuthError( + token_not_found_http_status, + "Mixing Authorization headers and access_token query parameters.", + errcode=Codes.MISSING_TOKEN, + ) + if len(auth_headers) > 1: + raise AuthError( + token_not_found_http_status, + "Too many Authorization headers.", + errcode=Codes.MISSING_TOKEN, + ) + parts = auth_headers[0].split(" ") + if parts[0] == "Bearer" and len(parts) == 2: + return parts[1] + else: + raise AuthError( + token_not_found_http_status, + "Invalid Authorization header.", + errcode=Codes.MISSING_TOKEN, + ) else: - raise AuthError( - token_not_found_http_status, - "Invalid Authorization header.", - errcode=Codes.MISSING_TOKEN, - ) - else: - # Try to get the access_token from the query params. - if not query_params: - raise AuthError( - token_not_found_http_status, - "Missing access token.", - errcode=Codes.MISSING_TOKEN - ) + # Try to get the access_token from the query params. + if not query_params: + raise AuthError( + token_not_found_http_status, + "Missing access token.", + errcode=Codes.MISSING_TOKEN + ) - return query_params[0] + return query_params[0] diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py index 14e6dca522..2ad1beb8d8 100755 --- a/synapse/app/homeserver.py +++ b/synapse/app/homeserver.py @@ -18,6 +18,8 @@ import logging import os import sys +from six import iteritems + from twisted.application import service from twisted.internet import defer, reactor from twisted.web.resource import EncodingResourceWrapper, NoResource @@ -442,7 +444,7 @@ def run(hs): stats["total_nonbridged_users"] = total_nonbridged_users daily_user_type_results = yield hs.get_datastore().count_daily_user_type() - for name, count in daily_user_type_results.iteritems(): + for name, count in iteritems(daily_user_type_results): stats["daily_user_type_" + name] = count room_count = yield hs.get_datastore().get_room_count() @@ -453,7 +455,7 @@ def run(hs): stats["daily_messages"] = yield hs.get_datastore().count_daily_messages() r30_results = yield hs.get_datastore().count_r30_users() - for name, count in r30_results.iteritems(): + for name, count in iteritems(r30_results): stats["r30_users_" + name] = count daily_sent_messages = yield hs.get_datastore().count_daily_sent_messages() diff --git a/synapse/app/synctl.py b/synapse/app/synctl.py index 68acc15a9a..d658f967ba 100755 --- a/synapse/app/synctl.py +++ b/synapse/app/synctl.py @@ -25,6 +25,8 @@ import subprocess import sys import time +from six import iteritems + import yaml SYNAPSE = [sys.executable, "-B", "-m", "synapse.app.homeserver"] @@ -173,7 +175,7 @@ def main(): os.environ["SYNAPSE_CACHE_FACTOR"] = str(cache_factor) cache_factors = config.get("synctl_cache_factors", {}) - for cache_name, factor in cache_factors.iteritems(): + for cache_name, factor in iteritems(cache_factors): os.environ["SYNAPSE_CACHE_FACTOR_" + cache_name.upper()] = str(factor) worker_configfiles = [] diff --git a/synapse/config/voip.py b/synapse/config/voip.py index 3a4e16fa96..d07bd24ffd 100644 --- a/synapse/config/voip.py +++ b/synapse/config/voip.py @@ -30,10 +30,10 @@ class VoipConfig(Config): ## Turn ## # The public URIs of the TURN server to give to clients - turn_uris: [] + #turn_uris: [] # The shared secret used to compute passwords for the TURN server - turn_shared_secret: "YOUR_SHARED_SECRET" + #turn_shared_secret: "YOUR_SHARED_SECRET" # The Username and password if the TURN server needs them and # does not use a token diff --git a/synapse/events/snapshot.py b/synapse/events/snapshot.py index bcd9bb5946..f83a1581a6 100644 --- a/synapse/events/snapshot.py +++ b/synapse/events/snapshot.py @@ -13,6 +13,8 @@ # See the License for the specific language governing permissions and # limitations under the License. +from six import iteritems + from frozendict import frozendict from twisted.internet import defer @@ -159,7 +161,7 @@ def _encode_state_dict(state_dict): return [ (etype, state_key, v) - for (etype, state_key), v in state_dict.iteritems() + for (etype, state_key), v in iteritems(state_dict) ] diff --git a/synapse/federation/federation_base.py b/synapse/federation/federation_base.py index f0c7a06718..c11798093d 100644 --- a/synapse/federation/federation_base.py +++ b/synapse/federation/federation_base.py @@ -23,7 +23,7 @@ from synapse.api.errors import Codes, SynapseError from synapse.crypto.event_signing import check_event_content_hash from synapse.events import FrozenEvent from synapse.events.utils import prune_event -from synapse.http.servlet import assert_params_in_request +from synapse.http.servlet import assert_params_in_dict from synapse.util import logcontext, unwrapFirstError logger = logging.getLogger(__name__) @@ -199,7 +199,7 @@ def event_from_pdu_json(pdu_json, outlier=False): """ # we could probably enforce a bunch of other fields here (room_id, sender, # origin, etc etc) - assert_params_in_request(pdu_json, ('event_id', 'type', 'depth')) + assert_params_in_dict(pdu_json, ('event_id', 'type', 'depth')) depth = pdu_json['depth'] if not isinstance(depth, six.integer_types): diff --git a/synapse/federation/transaction_queue.py b/synapse/federation/transaction_queue.py index 5a956ecfb3..6996d6b695 100644 --- a/synapse/federation/transaction_queue.py +++ b/synapse/federation/transaction_queue.py @@ -30,7 +30,8 @@ from synapse.metrics import ( sent_edus_counter, sent_transactions_counter, ) -from synapse.util import PreserveLoggingContext, logcontext +from synapse.metrics.background_process_metrics import run_as_background_process +from synapse.util import logcontext from synapse.util.metrics import measure_func from synapse.util.retryutils import NotRetryingDestination, get_retry_limiter @@ -165,10 +166,11 @@ class TransactionQueue(object): if self._is_processing: return - # fire off a processing loop in the background. It's likely it will - # outlast the current request, so run it in the sentinel logcontext. - with PreserveLoggingContext(): - self._process_event_queue_loop() + # fire off a processing loop in the background + run_as_background_process( + "process_event_queue_for_federation", + self._process_event_queue_loop, + ) @defer.inlineCallbacks def _process_event_queue_loop(self): @@ -432,14 +434,11 @@ class TransactionQueue(object): logger.debug("TX [%s] Starting transaction loop", destination) - # Drop the logcontext before starting the transaction. It doesn't - # really make sense to log all the outbound transactions against - # whatever path led us to this point: that's pretty arbitrary really. - # - # (this also means we can fire off _perform_transaction without - # yielding) - with logcontext.PreserveLoggingContext(): - self._transaction_transmission_loop(destination) + run_as_background_process( + "federation_transaction_transmission_loop", + self._transaction_transmission_loop, + destination, + ) @defer.inlineCallbacks def _transaction_transmission_loop(self, destination): diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index d3ecebd29f..a6d391c4e8 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -21,8 +21,8 @@ import logging import sys import six -from six import iteritems -from six.moves import http_client +from six import iteritems, itervalues +from six.moves import http_client, zip from signedjson.key import decode_verify_key_bytes from signedjson.sign import verify_signed_json @@ -43,7 +43,6 @@ from synapse.crypto.event_signing import ( add_hashes_and_signatures, compute_event_signature, ) -from synapse.events.utils import prune_event from synapse.events.validator import EventValidator from synapse.state import resolve_events_with_factory from synapse.types import UserID, get_domain_from_id @@ -52,8 +51,8 @@ from synapse.util.async import Linearizer from synapse.util.distributor import user_joined_room from synapse.util.frozenutils import unfreeze from synapse.util.logutils import log_function -from synapse.util.metrics import measure_func from synapse.util.retryutils import NotRetryingDestination +from synapse.visibility import filter_events_for_server from ._base import BaseHandler @@ -501,137 +500,6 @@ class FederationHandler(BaseHandler): user = UserID.from_string(event.state_key) yield user_joined_room(self.distributor, user, event.room_id) - @measure_func("_filter_events_for_server") - @defer.inlineCallbacks - def _filter_events_for_server(self, server_name, room_id, events): - """Filter the given events for the given server, redacting those the - server can't see. - - Assumes the server is currently in the room. - - Returns - list[FrozenEvent] - """ - # First lets check to see if all the events have a history visibility - # of "shared" or "world_readable". If thats the case then we don't - # need to check membership (as we know the server is in the room). - event_to_state_ids = yield self.store.get_state_ids_for_events( - frozenset(e.event_id for e in events), - types=( - (EventTypes.RoomHistoryVisibility, ""), - ) - ) - - visibility_ids = set() - for sids in event_to_state_ids.itervalues(): - hist = sids.get((EventTypes.RoomHistoryVisibility, "")) - if hist: - visibility_ids.add(hist) - - # If we failed to find any history visibility events then the default - # is "shared" visiblity. - if not visibility_ids: - defer.returnValue(events) - - event_map = yield self.store.get_events(visibility_ids) - all_open = all( - e.content.get("history_visibility") in (None, "shared", "world_readable") - for e in event_map.itervalues() - ) - - if all_open: - defer.returnValue(events) - - # Ok, so we're dealing with events that have non-trivial visibility - # rules, so we need to also get the memberships of the room. - - event_to_state_ids = yield self.store.get_state_ids_for_events( - frozenset(e.event_id for e in events), - types=( - (EventTypes.RoomHistoryVisibility, ""), - (EventTypes.Member, None), - ) - ) - - # We only want to pull out member events that correspond to the - # server's domain. - - def check_match(id): - try: - return server_name == get_domain_from_id(id) - except Exception: - return False - - # Parses mapping `event_id -> (type, state_key) -> state event_id` - # to get all state ids that we're interested in. - event_map = yield self.store.get_events([ - e_id - for key_to_eid in list(event_to_state_ids.values()) - for key, e_id in key_to_eid.items() - if key[0] != EventTypes.Member or check_match(key[1]) - ]) - - event_to_state = { - e_id: { - key: event_map[inner_e_id] - for key, inner_e_id in key_to_eid.iteritems() - if inner_e_id in event_map - } - for e_id, key_to_eid in event_to_state_ids.iteritems() - } - - erased_senders = yield self.store.are_users_erased( - e.sender for e in events, - ) - - def redact_disallowed(event, state): - # if the sender has been gdpr17ed, always return a redacted - # copy of the event. - if erased_senders[event.sender]: - logger.info( - "Sender of %s has been erased, redacting", - event.event_id, - ) - return prune_event(event) - - if not state: - return event - - history = state.get((EventTypes.RoomHistoryVisibility, ''), None) - if history: - visibility = history.content.get("history_visibility", "shared") - if visibility in ["invited", "joined"]: - # We now loop through all state events looking for - # membership states for the requesting server to determine - # if the server is either in the room or has been invited - # into the room. - for ev in state.itervalues(): - if ev.type != EventTypes.Member: - continue - try: - domain = get_domain_from_id(ev.state_key) - except Exception: - continue - - if domain != server_name: - continue - - memtype = ev.membership - if memtype == Membership.JOIN: - return event - elif memtype == Membership.INVITE: - if visibility == "invited": - return event - else: - return prune_event(event) - - return event - - defer.returnValue([ - redact_disallowed(e, event_to_state[e.event_id]) - for e in events - ]) - @log_function @defer.inlineCallbacks def backfill(self, dest, room_id, limit, extremities): @@ -863,7 +731,7 @@ class FederationHandler(BaseHandler): """ joined_users = [ (state_key, int(event.depth)) - for (e_type, state_key), event in state.iteritems() + for (e_type, state_key), event in iteritems(state) if e_type == EventTypes.Member and event.membership == Membership.JOIN ] @@ -880,7 +748,7 @@ class FederationHandler(BaseHandler): except Exception: pass - return sorted(joined_domains.iteritems(), key=lambda d: d[1]) + return sorted(joined_domains.items(), key=lambda d: d[1]) curr_domains = get_domains_from_state(curr_state) @@ -943,7 +811,7 @@ class FederationHandler(BaseHandler): tried_domains = set(likely_domains) tried_domains.add(self.server_name) - event_ids = list(extremities.iterkeys()) + event_ids = list(extremities.keys()) logger.debug("calling resolve_state_groups in _maybe_backfill") resolve = logcontext.preserve_fn( @@ -959,15 +827,15 @@ class FederationHandler(BaseHandler): states = dict(zip(event_ids, [s.state for s in states])) state_map = yield self.store.get_events( - [e_id for ids in states.itervalues() for e_id in ids.itervalues()], + [e_id for ids in itervalues(states) for e_id in itervalues(ids)], get_prev_content=False ) states = { key: { k: state_map[e_id] - for k, e_id in state_dict.iteritems() + for k, e_id in iteritems(state_dict) if e_id in state_map - } for key, state_dict in states.iteritems() + } for key, state_dict in iteritems(states) } for e_id, _ in sorted_extremeties_tuple: @@ -1038,16 +906,6 @@ class FederationHandler(BaseHandler): [auth_id for auth_id, _ in event.auth_events], include_given=True ) - - for event in auth: - event.signatures.update( - compute_event_signature( - event, - self.hs.hostname, - self.hs.config.signing_key[0] - ) - ) - defer.returnValue([e for e in auth]) @log_function @@ -1503,18 +1361,6 @@ class FederationHandler(BaseHandler): del results[(event.type, event.state_key)] res = list(results.values()) - for event in res: - # We sign these again because there was a bug where we - # incorrectly signed things the first time round - if self.is_mine_id(event.event_id): - event.signatures.update( - compute_event_signature( - event, - self.hs.hostname, - self.hs.config.signing_key[0] - ) - ) - defer.returnValue(res) else: defer.returnValue([]) @@ -1558,7 +1404,7 @@ class FederationHandler(BaseHandler): limit ) - events = yield self._filter_events_for_server(origin, room_id, events) + events = yield filter_events_for_server(self.store, origin, events) defer.returnValue(events) @@ -1586,18 +1432,6 @@ class FederationHandler(BaseHandler): ) if event: - if self.is_mine_id(event.event_id): - # FIXME: This is a temporary work around where we occasionally - # return events slightly differently than when they were - # originally signed - event.signatures.update( - compute_event_signature( - event, - self.hs.hostname, - self.hs.config.signing_key[0] - ) - ) - in_room = yield self.auth.check_host_in_room( event.room_id, origin @@ -1605,8 +1439,8 @@ class FederationHandler(BaseHandler): if not in_room: raise AuthError(403, "Host not in room.") - events = yield self._filter_events_for_server( - origin, event.room_id, [event] + events = yield filter_events_for_server( + self.store, origin, [event], ) event = events[0] defer.returnValue(event) @@ -1681,7 +1515,7 @@ class FederationHandler(BaseHandler): yield self.store.persist_events( [ (ev_info["event"], context) - for ev_info, context in itertools.izip(event_infos, contexts) + for ev_info, context in zip(event_infos, contexts) ], backfilled=backfilled, ) @@ -1862,15 +1696,6 @@ class FederationHandler(BaseHandler): local_auth_chain, remote_auth_chain ) - for event in ret["auth_chain"]: - event.signatures.update( - compute_event_signature( - event, - self.hs.hostname, - self.hs.config.signing_key[0] - ) - ) - logger.debug("on_query_auth returning: %s", ret) defer.returnValue(ret) @@ -1896,8 +1721,8 @@ class FederationHandler(BaseHandler): min_depth=min_depth, ) - missing_events = yield self._filter_events_for_server( - origin, room_id, missing_events, + missing_events = yield filter_events_for_server( + self.store, origin, missing_events, ) defer.returnValue(missing_events) diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index a39b852ceb..abc07ea87c 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -33,7 +33,7 @@ from synapse.events.utils import serialize_event from synapse.events.validator import EventValidator from synapse.replication.http.send_event import send_event_to_master from synapse.types import RoomAlias, RoomStreamToken, UserID -from synapse.util.async import Limiter, ReadWriteLock +from synapse.util.async import Linearizer, ReadWriteLock from synapse.util.frozenutils import frozendict_json_encoder from synapse.util.logcontext import run_in_background from synapse.util.metrics import measure_func @@ -427,7 +427,7 @@ class EventCreationHandler(object): # We arbitrarily limit concurrent event creation for a room to 5. # This is to stop us from diverging history *too* much. - self.limiter = Limiter(max_count=5) + self.limiter = Linearizer(max_count=5, name="room_event_creation_limit") self.action_generator = hs.get_action_generator() diff --git a/synapse/handlers/room_list.py b/synapse/handlers/room_list.py index 1abd45297b..828229f5c3 100644 --- a/synapse/handlers/room_list.py +++ b/synapse/handlers/room_list.py @@ -38,7 +38,7 @@ REMOTE_ROOM_LIST_POLL_INTERVAL = 60 * 1000 # This is used to indicate we should only return rooms published to the main list. -EMTPY_THIRD_PARTY_ID = ThirdPartyInstanceID(None, None) +EMPTY_THIRD_PARTY_ID = ThirdPartyInstanceID(None, None) class RoomListHandler(BaseHandler): @@ -50,7 +50,7 @@ class RoomListHandler(BaseHandler): def get_local_public_room_list(self, limit=None, since_token=None, search_filter=None, - network_tuple=EMTPY_THIRD_PARTY_ID,): + network_tuple=EMPTY_THIRD_PARTY_ID,): """Generate a local public room list. There are multiple different lists: the main one plus one per third @@ -87,7 +87,7 @@ class RoomListHandler(BaseHandler): @defer.inlineCallbacks def _get_public_room_list(self, limit=None, since_token=None, search_filter=None, - network_tuple=EMTPY_THIRD_PARTY_ID,): + network_tuple=EMPTY_THIRD_PARTY_ID,): if since_token and since_token != "END": since_token = RoomListNextBatch.from_token(since_token) else: diff --git a/synapse/http/client.py b/synapse/http/client.py index d6a0d75b2b..25b6307884 100644 --- a/synapse/http/client.py +++ b/synapse/http/client.py @@ -26,9 +26,11 @@ from OpenSSL.SSL import VERIFY_NONE from twisted.internet import defer, protocol, reactor, ssl, task from twisted.internet.endpoints import HostnameEndpoint, wrapClientTLS from twisted.web._newclient import ResponseDone -from twisted.web.client import Agent, BrowserLikeRedirectAgent, ContentDecoderAgent -from twisted.web.client import FileBodyProducer as TwistedFileBodyProducer from twisted.web.client import ( + Agent, + BrowserLikeRedirectAgent, + ContentDecoderAgent, + FileBodyProducer as TwistedFileBodyProducer, GzipDecoder, HTTPConnectionPool, PartialDownloadError, diff --git a/synapse/http/request_metrics.py b/synapse/http/request_metrics.py index f24b4b949c..588e280571 100644 --- a/synapse/http/request_metrics.py +++ b/synapse/http/request_metrics.py @@ -38,7 +38,8 @@ outgoing_responses_counter = Counter( ) response_timer = Histogram( - "synapse_http_server_response_time_seconds", "sec", ["method", "servlet", "tag"] + "synapse_http_server_response_time_seconds", "sec", + ["method", "servlet", "tag", "code"], ) response_ru_utime = Counter( @@ -171,11 +172,13 @@ class RequestMetrics(object): ) return - outgoing_responses_counter.labels(request.method, str(request.code)).inc() + response_code = str(request.code) + + outgoing_responses_counter.labels(request.method, response_code).inc() response_count.labels(request.method, self.name, tag).inc() - response_timer.labels(request.method, self.name, tag).observe( + response_timer.labels(request.method, self.name, tag, response_code).observe( time_sec - self.start ) diff --git a/synapse/http/servlet.py b/synapse/http/servlet.py index cf6723563a..882816dc8f 100644 --- a/synapse/http/servlet.py +++ b/synapse/http/servlet.py @@ -206,7 +206,7 @@ def parse_json_object_from_request(request, allow_empty_body=False): return content -def assert_params_in_request(body, required): +def assert_params_in_dict(body, required): absent = [] for k in required: if k not in body: diff --git a/synapse/http/site.py b/synapse/http/site.py index 21e26f9c5e..5fd30a4c2c 100644 --- a/synapse/http/site.py +++ b/synapse/http/site.py @@ -20,7 +20,7 @@ from twisted.web.server import Request, Site from synapse.http import redact_uri from synapse.http.request_metrics import RequestMetrics -from synapse.util.logcontext import LoggingContext, ContextResourceUsage +from synapse.util.logcontext import ContextResourceUsage, LoggingContext logger = logging.getLogger(__name__) @@ -42,9 +42,10 @@ class SynapseRequest(Request): which is handling the request, and returns a context manager. """ - def __init__(self, site, *args, **kw): - Request.__init__(self, *args, **kw) + def __init__(self, site, channel, *args, **kw): + Request.__init__(self, channel, *args, **kw) self.site = site + self._channel = channel self.authenticated_entity = None self.start_time = 0 diff --git a/synapse/metrics/background_process_metrics.py b/synapse/metrics/background_process_metrics.py new file mode 100644 index 0000000000..9d820e44a6 --- /dev/null +++ b/synapse/metrics/background_process_metrics.py @@ -0,0 +1,179 @@ +# -*- 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 six + +from prometheus_client.core import REGISTRY, Counter, GaugeMetricFamily + +from twisted.internet import defer + +from synapse.util.logcontext import LoggingContext, PreserveLoggingContext + +_background_process_start_count = Counter( + "synapse_background_process_start_count", + "Number of background processes started", + ["name"], +) + +# we set registry=None in all of these to stop them getting registered with +# the default registry. Instead we collect them all via the CustomCollector, +# which ensures that we can update them before they are collected. +# +_background_process_ru_utime = Counter( + "synapse_background_process_ru_utime_seconds", + "User CPU time used by background processes, in seconds", + ["name"], + registry=None, +) + +_background_process_ru_stime = Counter( + "synapse_background_process_ru_stime_seconds", + "System CPU time used by background processes, in seconds", + ["name"], + registry=None, +) + +_background_process_db_txn_count = Counter( + "synapse_background_process_db_txn_count", + "Number of database transactions done by background processes", + ["name"], + registry=None, +) + +_background_process_db_txn_duration = Counter( + "synapse_background_process_db_txn_duration_seconds", + ("Seconds spent by background processes waiting for database " + "transactions, excluding scheduling time"), + ["name"], + registry=None, +) + +_background_process_db_sched_duration = Counter( + "synapse_background_process_db_sched_duration_seconds", + "Seconds spent by background processes waiting for database connections", + ["name"], + registry=None, +) + +# map from description to a counter, so that we can name our logcontexts +# incrementally. (It actually duplicates _background_process_start_count, but +# it's much simpler to do so than to try to combine them.) +_background_process_counts = dict() # type: dict[str, int] + +# map from description to the currently running background processes. +# +# it's kept as a dict of sets rather than a big set so that we can keep track +# of process descriptions that no longer have any active processes. +_background_processes = dict() # type: dict[str, set[_BackgroundProcess]] + + +class _Collector(object): + """A custom metrics collector for the background process metrics. + + Ensures that all of the metrics are up-to-date with any in-flight processes + before they are returned. + """ + def collect(self): + background_process_in_flight_count = GaugeMetricFamily( + "synapse_background_process_in_flight_count", + "Number of background processes in flight", + labels=["name"], + ) + + for desc, processes in six.iteritems(_background_processes): + background_process_in_flight_count.add_metric( + (desc,), len(processes), + ) + for process in processes: + process.update_metrics() + + yield background_process_in_flight_count + + # now we need to run collect() over each of the static Counters, and + # yield each metric they return. + for m in ( + _background_process_ru_utime, + _background_process_ru_stime, + _background_process_db_txn_count, + _background_process_db_txn_duration, + _background_process_db_sched_duration, + ): + for r in m.collect(): + yield r + + +REGISTRY.register(_Collector()) + + +class _BackgroundProcess(object): + def __init__(self, desc, ctx): + self.desc = desc + self._context = ctx + self._reported_stats = None + + def update_metrics(self): + """Updates the metrics with values from this process.""" + new_stats = self._context.get_resource_usage() + if self._reported_stats is None: + diff = new_stats + else: + diff = new_stats - self._reported_stats + self._reported_stats = new_stats + + _background_process_ru_utime.labels(self.desc).inc(diff.ru_utime) + _background_process_ru_stime.labels(self.desc).inc(diff.ru_stime) + _background_process_db_txn_count.labels(self.desc).inc( + diff.db_txn_count, + ) + _background_process_db_txn_duration.labels(self.desc).inc( + diff.db_txn_duration_sec, + ) + _background_process_db_sched_duration.labels(self.desc).inc( + diff.db_sched_duration_sec, + ) + + +def run_as_background_process(desc, func, *args, **kwargs): + """Run the given function in its own logcontext, with resource metrics + + This should be used to wrap processes which are fired off to run in the + background, instead of being associated with a particular request. + + Args: + desc (str): a description for this background process type + func: a function, which may return a Deferred + args: positional args for func + kwargs: keyword args for func + + Returns: None + """ + @defer.inlineCallbacks + def run(): + count = _background_process_counts.get(desc, 0) + _background_process_counts[desc] = count + 1 + _background_process_start_count.labels(desc).inc() + + with LoggingContext(desc) as context: + context.request = "%s-%i" % (desc, count) + proc = _BackgroundProcess(desc, context) + _background_processes.setdefault(desc, set()).add(proc) + try: + yield func(*args, **kwargs) + finally: + proc.update_metrics() + _background_processes[desc].remove(proc) + + with PreserveLoggingContext(): + run() diff --git a/synapse/replication/slave/storage/receipts.py b/synapse/replication/slave/storage/receipts.py index 7ab12b850f..ed12342f40 100644 --- a/synapse/replication/slave/storage/receipts.py +++ b/synapse/replication/slave/storage/receipts.py @@ -49,7 +49,7 @@ class SlavedReceiptsStore(ReceiptsWorkerStore, BaseSlavedStore): def invalidate_caches_for_receipt(self, room_id, receipt_type, user_id): self.get_receipts_for_user.invalidate((user_id, receipt_type)) - self.get_linearized_receipts_for_room.invalidate_many((room_id,)) + self._get_linearized_receipts_for_room.invalidate_many((room_id,)) self.get_last_receipt_event_id_for_user.invalidate( (user_id, room_id, receipt_type) ) diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py index 75c2a4ec8e..3418f06fd6 100644 --- a/synapse/rest/__init__.py +++ b/synapse/rest/__init__.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd +# Copyright 2018 New Vector Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -13,13 +14,24 @@ # See the License for the specific language governing permissions and # limitations under the License. +from six import PY3 + from synapse.http.server import JsonResource from synapse.rest.client import versions -from synapse.rest.client.v1 import admin, directory, events, initial_sync -from synapse.rest.client.v1 import login as v1_login -from synapse.rest.client.v1 import logout, presence, profile, push_rule, pusher -from synapse.rest.client.v1 import register as v1_register -from synapse.rest.client.v1 import room, voip +from synapse.rest.client.v1 import ( + admin, + directory, + events, + initial_sync, + login as v1_login, + logout, + presence, + profile, + push_rule, + pusher, + room, + voip, +) from synapse.rest.client.v2_alpha import ( account, account_data, @@ -42,6 +54,11 @@ from synapse.rest.client.v2_alpha import ( user_directory, ) +if not PY3: + from synapse.rest.client.v1_only import ( + register as v1_register, + ) + class ClientRestResource(JsonResource): """A resource for version 1 of the matrix client API.""" @@ -54,14 +71,22 @@ class ClientRestResource(JsonResource): def register_servlets(client_resource, hs): versions.register_servlets(client_resource) - # "v1" - room.register_servlets(hs, client_resource) + if not PY3: + # "v1" (Python 2 only) + v1_register.register_servlets(hs, client_resource) + + # Deprecated in r0 + initial_sync.register_servlets(hs, client_resource) + room.register_deprecated_servlets(hs, client_resource) + + # Partially deprecated in r0 events.register_servlets(hs, client_resource) - v1_register.register_servlets(hs, client_resource) + + # "v1" + "r0" + room.register_servlets(hs, client_resource) v1_login.register_servlets(hs, client_resource) profile.register_servlets(hs, client_resource) presence.register_servlets(hs, client_resource) - initial_sync.register_servlets(hs, client_resource) directory.register_servlets(hs, client_resource) voip.register_servlets(hs, client_resource) admin.register_servlets(hs, client_resource) diff --git a/synapse/rest/client/transactions.py b/synapse/rest/client/transactions.py index 7c01b438cb..00b1b3066e 100644 --- a/synapse/rest/client/transactions.py +++ b/synapse/rest/client/transactions.py @@ -17,38 +17,20 @@ to ensure idempotency when performing PUTs using the REST API.""" import logging -from synapse.api.auth import get_access_token_from_request from synapse.util.async import ObservableDeferred from synapse.util.logcontext import make_deferred_yieldable, run_in_background logger = logging.getLogger(__name__) - -def get_transaction_key(request): - """A helper function which returns a transaction key that can be used - with TransactionCache for idempotent requests. - - Idempotency is based on the returned key being the same for separate - requests to the same endpoint. The key is formed from the HTTP request - path and the access_token for the requesting user. - - Args: - request (twisted.web.http.Request): The incoming request. Must - contain an access_token. - Returns: - str: A transaction key - """ - token = get_access_token_from_request(request) - return request.path + "/" + token - - CLEANUP_PERIOD_MS = 1000 * 60 * 30 # 30 mins class HttpTransactionCache(object): - def __init__(self, clock): - self.clock = clock + def __init__(self, hs): + self.hs = hs + self.auth = self.hs.get_auth() + self.clock = self.hs.get_clock() self.transactions = { # $txn_key: (ObservableDeferred<(res_code, res_json_body)>, timestamp) } @@ -56,6 +38,23 @@ class HttpTransactionCache(object): # for at *LEAST* 30 mins, and at *MOST* 60 mins. self.cleaner = self.clock.looping_call(self._cleanup, CLEANUP_PERIOD_MS) + def _get_transaction_key(self, request): + """A helper function which returns a transaction key that can be used + with TransactionCache for idempotent requests. + + Idempotency is based on the returned key being the same for separate + requests to the same endpoint. The key is formed from the HTTP request + path and the access_token for the requesting user. + + Args: + request (twisted.web.http.Request): The incoming request. Must + contain an access_token. + Returns: + str: A transaction key + """ + token = self.auth.get_access_token_from_request(request) + return request.path + "/" + token + def fetch_or_execute_request(self, request, fn, *args, **kwargs): """A helper function for fetch_or_execute which extracts a transaction key from the given request. @@ -64,7 +63,7 @@ class HttpTransactionCache(object): fetch_or_execute """ return self.fetch_or_execute( - get_transaction_key(request), fn, *args, **kwargs + self._get_transaction_key(request), fn, *args, **kwargs ) def fetch_or_execute(self, txn_key, fn, *args, **kwargs): diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py index 2b091d61a5..9e9c175970 100644 --- a/synapse/rest/client/v1/admin.py +++ b/synapse/rest/client/v1/admin.py @@ -14,6 +14,8 @@ # See the License for the specific language governing permissions and # limitations under the License. +import hashlib +import hmac import logging from six.moves import http_client @@ -22,7 +24,12 @@ from twisted.internet import defer from synapse.api.constants import Membership from synapse.api.errors import AuthError, Codes, NotFoundError, SynapseError -from synapse.http.servlet import parse_json_object_from_request +from synapse.http.servlet import ( + assert_params_in_dict, + parse_integer, + parse_json_object_from_request, + parse_string, +) from synapse.types import UserID, create_requester from .base import ClientV1RestServlet, client_path_patterns @@ -58,6 +65,125 @@ class UsersRestServlet(ClientV1RestServlet): defer.returnValue((200, ret)) +class UserRegisterServlet(ClientV1RestServlet): + """ + Attributes: + NONCE_TIMEOUT (int): Seconds until a generated nonce won't be accepted + nonces (dict[str, int]): The nonces that we will accept. A dict of + nonce to the time it was generated, in int seconds. + """ + PATTERNS = client_path_patterns("/admin/register") + NONCE_TIMEOUT = 60 + + def __init__(self, hs): + super(UserRegisterServlet, self).__init__(hs) + self.handlers = hs.get_handlers() + self.reactor = hs.get_reactor() + self.nonces = {} + self.hs = hs + + def _clear_old_nonces(self): + """ + Clear out old nonces that are older than NONCE_TIMEOUT. + """ + now = int(self.reactor.seconds()) + + for k, v in list(self.nonces.items()): + if now - v > self.NONCE_TIMEOUT: + del self.nonces[k] + + def on_GET(self, request): + """ + Generate a new nonce. + """ + self._clear_old_nonces() + + nonce = self.hs.get_secrets().token_hex(64) + self.nonces[nonce] = int(self.reactor.seconds()) + return (200, {"nonce": nonce.encode('ascii')}) + + @defer.inlineCallbacks + def on_POST(self, request): + self._clear_old_nonces() + + if not self.hs.config.registration_shared_secret: + raise SynapseError(400, "Shared secret registration is not enabled") + + body = parse_json_object_from_request(request) + + if "nonce" not in body: + raise SynapseError( + 400, "nonce must be specified", errcode=Codes.BAD_JSON, + ) + + nonce = body["nonce"] + + if nonce not in self.nonces: + raise SynapseError( + 400, "unrecognised nonce", + ) + + # Delete the nonce, so it can't be reused, even if it's invalid + del self.nonces[nonce] + + if "username" not in body: + raise SynapseError( + 400, "username must be specified", errcode=Codes.BAD_JSON, + ) + else: + if (not isinstance(body['username'], str) or len(body['username']) > 512): + raise SynapseError(400, "Invalid username") + + username = body["username"].encode("utf-8") + if b"\x00" in username: + raise SynapseError(400, "Invalid username") + + if "password" not in body: + raise SynapseError( + 400, "password must be specified", errcode=Codes.BAD_JSON, + ) + else: + if (not isinstance(body['password'], str) or len(body['password']) > 512): + raise SynapseError(400, "Invalid password") + + password = body["password"].encode("utf-8") + if b"\x00" in password: + raise SynapseError(400, "Invalid password") + + admin = body.get("admin", None) + got_mac = body["mac"] + + want_mac = hmac.new( + key=self.hs.config.registration_shared_secret.encode(), + digestmod=hashlib.sha1, + ) + want_mac.update(nonce) + want_mac.update(b"\x00") + want_mac.update(username) + want_mac.update(b"\x00") + want_mac.update(password) + want_mac.update(b"\x00") + want_mac.update(b"admin" if admin else b"notadmin") + want_mac = want_mac.hexdigest() + + if not hmac.compare_digest(want_mac, got_mac): + raise SynapseError( + 403, "HMAC incorrect", + ) + + # Reuse the parts of RegisterRestServlet to reduce code duplication + from synapse.rest.client.v2_alpha.register import RegisterRestServlet + register = RegisterRestServlet(self.hs) + + (user_id, _) = yield register.registration_handler.register( + localpart=username.lower(), password=password, admin=bool(admin), + generate_token=False, + ) + + result = yield register._create_registration_details(user_id, body) + defer.returnValue((200, result)) + + class WhoisRestServlet(ClientV1RestServlet): PATTERNS = client_path_patterns("/admin/whois/(?P<user_id>[^/]*)") @@ -98,16 +224,8 @@ class PurgeMediaCacheRestServlet(ClientV1RestServlet): if not is_admin: raise AuthError(403, "You are not a server admin") - before_ts = request.args.get("before_ts", None) - if not before_ts: - raise SynapseError(400, "Missing 'before_ts' arg") - - logger.info("before_ts: %r", before_ts[0]) - - try: - before_ts = int(before_ts[0]) - except Exception: - raise SynapseError(400, "Invalid 'before_ts' arg") + before_ts = parse_integer(request, "before_ts", required=True) + logger.info("before_ts: %r", before_ts) ret = yield self.media_repository.delete_old_remote_media(before_ts) @@ -300,10 +418,8 @@ class ShutdownRoomRestServlet(ClientV1RestServlet): raise AuthError(403, "You are not a server admin") content = parse_json_object_from_request(request) - - new_room_user_id = content.get("new_room_user_id") - if not new_room_user_id: - raise SynapseError(400, "Please provide field `new_room_user_id`") + assert_params_in_dict(content, ["new_room_user_id"]) + new_room_user_id = content["new_room_user_id"] room_creator_requester = create_requester(new_room_user_id) @@ -464,9 +580,8 @@ class ResetPasswordRestServlet(ClientV1RestServlet): raise AuthError(403, "You are not a server admin") params = parse_json_object_from_request(request) + assert_params_in_dict(params, ["new_password"]) new_password = params['new_password'] - if not new_password: - raise SynapseError(400, "Missing 'new_password' arg") logger.info("new_password: %r", new_password) @@ -514,12 +629,9 @@ class GetUsersPaginatedRestServlet(ClientV1RestServlet): raise SynapseError(400, "Can only users a local user") order = "name" # order by name in user table - start = request.args.get("start")[0] - limit = request.args.get("limit")[0] - if not limit: - raise SynapseError(400, "Missing 'limit' arg") - if not start: - raise SynapseError(400, "Missing 'start' arg") + start = parse_integer(request, "start", required=True) + limit = parse_integer(request, "limit", required=True) + logger.info("limit: %s, start: %s", limit, start) ret = yield self.handlers.admin_handler.get_users_paginate( @@ -551,12 +663,9 @@ class GetUsersPaginatedRestServlet(ClientV1RestServlet): order = "name" # order by name in user table params = parse_json_object_from_request(request) + assert_params_in_dict(params, ["limit", "start"]) limit = params['limit'] start = params['start'] - if not limit: - raise SynapseError(400, "Missing 'limit' arg") - if not start: - raise SynapseError(400, "Missing 'start' arg") logger.info("limit: %s, start: %s", limit, start) ret = yield self.handlers.admin_handler.get_users_paginate( @@ -604,10 +713,7 @@ class SearchUsersRestServlet(ClientV1RestServlet): if not self.hs.is_mine(target_user): raise SynapseError(400, "Can only users a local user") - term = request.args.get("term")[0] - if not term: - raise SynapseError(400, "Missing 'term' arg") - + term = parse_string(request, "term", required=True) logger.info("term: %s ", term) ret = yield self.handlers.admin_handler.search_users( @@ -629,3 +735,4 @@ def register_servlets(hs, http_server): ShutdownRoomRestServlet(hs).register(http_server) QuarantineMediaInRoom(hs).register(http_server) ListMediaInRoom(hs).register(http_server) + UserRegisterServlet(hs).register(http_server) diff --git a/synapse/rest/client/v1/base.py b/synapse/rest/client/v1/base.py index dde02328c3..c77d7aba68 100644 --- a/synapse/rest/client/v1/base.py +++ b/synapse/rest/client/v1/base.py @@ -62,4 +62,4 @@ class ClientV1RestServlet(RestServlet): self.hs = hs self.builder_factory = hs.get_event_builder_factory() self.auth = hs.get_auth() - self.txns = HttpTransactionCache(hs.get_clock()) + self.txns = HttpTransactionCache(hs) diff --git a/synapse/rest/client/v1/directory.py b/synapse/rest/client/v1/directory.py index 4fdbb83815..69dcd618cb 100644 --- a/synapse/rest/client/v1/directory.py +++ b/synapse/rest/client/v1/directory.py @@ -52,15 +52,14 @@ class ClientDirectoryServer(ClientV1RestServlet): @defer.inlineCallbacks def on_PUT(self, request, room_alias): + room_alias = RoomAlias.from_string(room_alias) + content = parse_json_object_from_request(request) if "room_id" not in content: - raise SynapseError(400, "Missing room_id key", + raise SynapseError(400, 'Missing params: ["room_id"]', errcode=Codes.BAD_JSON) logger.debug("Got content: %s", content) - - room_alias = RoomAlias.from_string(room_alias) - logger.debug("Got room name: %s", room_alias.to_string()) room_id = content["room_id"] diff --git a/synapse/rest/client/v1/initial_sync.py b/synapse/rest/client/v1/initial_sync.py index fbe8cb2023..fd5f85b53e 100644 --- a/synapse/rest/client/v1/initial_sync.py +++ b/synapse/rest/client/v1/initial_sync.py @@ -15,6 +15,7 @@ from twisted.internet import defer +from synapse.http.servlet import parse_boolean from synapse.streams.config import PaginationConfig from .base import ClientV1RestServlet, client_path_patterns @@ -33,7 +34,7 @@ class InitialSyncRestServlet(ClientV1RestServlet): requester = yield self.auth.get_user_by_req(request) as_client_event = "raw" not in request.args pagination_config = PaginationConfig.from_request(request) - include_archived = request.args.get("archived", None) == ["true"] + include_archived = parse_boolean(request, "archived", default=False) content = yield self.initial_sync_handler.snapshot_all_rooms( user_id=requester.user.to_string(), pagin_config=pagination_config, diff --git a/synapse/rest/client/v1/logout.py b/synapse/rest/client/v1/logout.py index 05a8ecfcd8..430c692336 100644 --- a/synapse/rest/client/v1/logout.py +++ b/synapse/rest/client/v1/logout.py @@ -17,7 +17,6 @@ import logging from twisted.internet import defer -from synapse.api.auth import get_access_token_from_request from synapse.api.errors import AuthError from .base import ClientV1RestServlet, client_path_patterns @@ -51,7 +50,7 @@ class LogoutRestServlet(ClientV1RestServlet): if requester.device_id is None: # the acccess token wasn't associated with a device. # Just delete the access token - access_token = get_access_token_from_request(request) + access_token = self._auth.get_access_token_from_request(request) yield self._auth_handler.delete_access_token(access_token) else: yield self._device_handler.delete_device( diff --git a/synapse/rest/client/v1/push_rule.py b/synapse/rest/client/v1/push_rule.py index 0df7ce570f..6e95d9bec2 100644 --- a/synapse/rest/client/v1/push_rule.py +++ b/synapse/rest/client/v1/push_rule.py @@ -21,7 +21,7 @@ from synapse.api.errors import ( SynapseError, UnrecognizedRequestError, ) -from synapse.http.servlet import parse_json_value_from_request +from synapse.http.servlet import parse_json_value_from_request, parse_string from synapse.push.baserules import BASE_RULE_IDS from synapse.push.clientformat import format_push_rules_for_user from synapse.push.rulekinds import PRIORITY_CLASS_MAP @@ -75,13 +75,13 @@ class PushRuleRestServlet(ClientV1RestServlet): except InvalidRuleException as e: raise SynapseError(400, e.message) - before = request.args.get("before", None) + before = parse_string(request, "before") if before: - before = _namespaced_rule_id(spec, before[0]) + before = _namespaced_rule_id(spec, before) - after = request.args.get("after", None) + after = parse_string(request, "after") if after: - after = _namespaced_rule_id(spec, after[0]) + after = _namespaced_rule_id(spec, after) try: yield self.store.add_push_rule( diff --git a/synapse/rest/client/v1/pusher.py b/synapse/rest/client/v1/pusher.py index 1581f88db5..182a68b1e2 100644 --- a/synapse/rest/client/v1/pusher.py +++ b/synapse/rest/client/v1/pusher.py @@ -21,6 +21,7 @@ from synapse.api.errors import Codes, StoreError, SynapseError from synapse.http.server import finish_request from synapse.http.servlet import ( RestServlet, + assert_params_in_dict, parse_json_object_from_request, parse_string, ) @@ -91,15 +92,11 @@ class PushersSetRestServlet(ClientV1RestServlet): ) defer.returnValue((200, {})) - reqd = ['kind', 'app_id', 'app_display_name', - 'device_display_name', 'pushkey', 'lang', 'data'] - missing = [] - for i in reqd: - if i not in content: - missing.append(i) - if len(missing): - raise SynapseError(400, "Missing parameters: " + ','.join(missing), - errcode=Codes.MISSING_PARAM) + assert_params_in_dict( + content, + ['kind', 'app_id', 'app_display_name', + 'device_display_name', 'pushkey', 'lang', 'data'] + ) logger.debug("set pushkey %s to kind %s", content['pushkey'], content['kind']) logger.debug("Got pushers request with body: %r", content) @@ -148,7 +145,7 @@ class PushersRemoveRestServlet(RestServlet): SUCCESS_HTML = "<html><body>You have been unsubscribed</body><html>" def __init__(self, hs): - super(RestServlet, self).__init__() + super(PushersRemoveRestServlet, self).__init__() self.hs = hs self.notifier = hs.get_notifier() self.auth = hs.get_auth() diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index 2470db52ba..b9512a2b61 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -28,6 +28,7 @@ from synapse.api.errors import AuthError, Codes, SynapseError from synapse.api.filtering import Filter from synapse.events.utils import format_event_for_client_v2, serialize_event from synapse.http.servlet import ( + assert_params_in_dict, parse_integer, parse_json_object_from_request, parse_string, @@ -435,9 +436,9 @@ class RoomMessageListRestServlet(ClientV1RestServlet): request, default_limit=10, ) as_client_event = "raw" not in request.args - filter_bytes = request.args.get("filter", None) + filter_bytes = parse_string(request, "filter") if filter_bytes: - filter_json = urlparse.unquote(filter_bytes[-1]).decode("UTF-8") + filter_json = urlparse.unquote(filter_bytes).decode("UTF-8") event_filter = Filter(json.loads(filter_json)) else: event_filter = None @@ -530,7 +531,7 @@ class RoomEventContextServlet(ClientV1RestServlet): def on_GET(self, request, room_id, event_id): requester = yield self.auth.get_user_by_req(request, allow_guest=True) - limit = int(request.args.get("limit", [10])[0]) + limit = parse_integer(request, "limit", default=10) results = yield self.handlers.room_context_handler.get_event_context( requester.user, @@ -636,8 +637,7 @@ class RoomMembershipRestServlet(ClientV1RestServlet): target = requester.user if membership_action in ["invite", "ban", "unban", "kick"]: - if "user_id" not in content: - raise SynapseError(400, "Missing user_id key.") + assert_params_in_dict(content, ["user_id"]) target = UserID.from_string(content["user_id"]) event_content = None @@ -764,7 +764,7 @@ class SearchRestServlet(ClientV1RestServlet): content = parse_json_object_from_request(request) - batch = request.args.get("next_batch", [None])[0] + batch = parse_string(request, "next_batch") results = yield self.handlers.search_handler.search( requester.user, content, @@ -832,10 +832,13 @@ def register_servlets(hs, http_server): RoomSendEventRestServlet(hs).register(http_server) PublicRoomListRestServlet(hs).register(http_server) RoomStateRestServlet(hs).register(http_server) - RoomInitialSyncRestServlet(hs).register(http_server) RoomRedactEventRestServlet(hs).register(http_server) RoomTypingRestServlet(hs).register(http_server) SearchRestServlet(hs).register(http_server) JoinedRoomsRestServlet(hs).register(http_server) RoomEventServlet(hs).register(http_server) RoomEventContextServlet(hs).register(http_server) + + +def register_deprecated_servlets(hs, http_server): + RoomInitialSyncRestServlet(hs).register(http_server) diff --git a/synapse/rest/client/v1_only/__init__.py b/synapse/rest/client/v1_only/__init__.py new file mode 100644 index 0000000000..936f902ace --- /dev/null +++ b/synapse/rest/client/v1_only/__init__.py @@ -0,0 +1,3 @@ +""" +REST APIs that are only used in v1 (the legacy API). +""" diff --git a/synapse/rest/client/v1_only/base.py b/synapse/rest/client/v1_only/base.py new file mode 100644 index 0000000000..9d4db7437c --- /dev/null +++ b/synapse/rest/client/v1_only/base.py @@ -0,0 +1,39 @@ +# -*- coding: utf-8 -*- +# Copyright 2014-2016 OpenMarket Ltd +# Copyright 2018 New Vector Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# 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 module contains base REST classes for constructing client v1 servlets. +""" + +import re + +from synapse.api.urls import CLIENT_PREFIX + + +def v1_only_client_path_patterns(path_regex, include_in_unstable=True): + """Creates a regex compiled client path with the correct client path + prefix. + + Args: + path_regex (str): The regex string to match. This should NOT have a ^ + as this will be prefixed. + Returns: + list of SRE_Pattern + """ + patterns = [re.compile("^" + CLIENT_PREFIX + path_regex)] + if include_in_unstable: + unstable_prefix = CLIENT_PREFIX.replace("/api/v1", "/unstable") + patterns.append(re.compile("^" + unstable_prefix + path_regex)) + return patterns diff --git a/synapse/rest/client/v1/register.py b/synapse/rest/client/v1_only/register.py index 3ce5f8b726..3439c3c6d4 100644 --- a/synapse/rest/client/v1/register.py +++ b/synapse/rest/client/v1_only/register.py @@ -18,18 +18,16 @@ import hmac import logging from hashlib import sha1 -from six import string_types - from twisted.internet import defer import synapse.util.stringutils as stringutils -from synapse.api.auth import get_access_token_from_request from synapse.api.constants import LoginType from synapse.api.errors import Codes, SynapseError -from synapse.http.servlet import parse_json_object_from_request +from synapse.http.servlet import assert_params_in_dict, parse_json_object_from_request +from synapse.rest.client.v1.base import ClientV1RestServlet from synapse.types import create_requester -from .base import ClientV1RestServlet, client_path_patterns +from .base import v1_only_client_path_patterns logger = logging.getLogger(__name__) @@ -52,7 +50,7 @@ class RegisterRestServlet(ClientV1RestServlet): handler doesn't have a concept of multi-stages or sessions. """ - PATTERNS = client_path_patterns("/register$", releases=(), include_in_unstable=False) + PATTERNS = v1_only_client_path_patterns("/register$", include_in_unstable=False) def __init__(self, hs): """ @@ -67,6 +65,7 @@ class RegisterRestServlet(ClientV1RestServlet): # TODO: persistent storage self.sessions = {} self.enable_registration = hs.config.enable_registration + self.auth = hs.get_auth() self.auth_handler = hs.get_auth_handler() self.handlers = hs.get_handlers() @@ -124,8 +123,7 @@ class RegisterRestServlet(ClientV1RestServlet): session = (register_json["session"] if "session" in register_json else None) login_type = None - if "type" not in register_json: - raise SynapseError(400, "Missing 'type' key.") + assert_params_in_dict(register_json, ["type"]) try: login_type = register_json["type"] @@ -310,11 +308,9 @@ class RegisterRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def _do_app_service(self, request, register_json, session): - as_token = get_access_token_from_request(request) - - if "user" not in register_json: - raise SynapseError(400, "Expected 'user' key.") + as_token = self.auth.get_access_token_from_request(request) + assert_params_in_dict(register_json, ["user"]) user_localpart = register_json["user"].encode("utf-8") handler = self.handlers.registration_handler @@ -331,12 +327,7 @@ class RegisterRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def _do_shared_secret(self, request, register_json, session): - if not isinstance(register_json.get("mac", None), string_types): - raise SynapseError(400, "Expected mac.") - if not isinstance(register_json.get("user", None), string_types): - raise SynapseError(400, "Expected 'user' key.") - if not isinstance(register_json.get("password", None), string_types): - raise SynapseError(400, "Expected 'password' key.") + assert_params_in_dict(register_json, ["mac", "user", "password"]) if not self.hs.config.registration_shared_secret: raise SynapseError(400, "Shared secret registration is not enabled") @@ -389,7 +380,7 @@ class CreateUserRestServlet(ClientV1RestServlet): """Handles user creation via a server-to-server interface """ - PATTERNS = client_path_patterns("/createUser$", releases=()) + PATTERNS = v1_only_client_path_patterns("/createUser$") def __init__(self, hs): super(CreateUserRestServlet, self).__init__(hs) @@ -400,7 +391,7 @@ class CreateUserRestServlet(ClientV1RestServlet): def on_POST(self, request): user_json = parse_json_object_from_request(request) - access_token = get_access_token_from_request(request) + access_token = self.auth.get_access_token_from_request(request) app_service = self.store.get_app_service_by_token( access_token ) @@ -419,11 +410,7 @@ class CreateUserRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def _do_create(self, requester, user_json): - if "localpart" not in user_json: - raise SynapseError(400, "Expected 'localpart' key.") - - if "displayname" not in user_json: - raise SynapseError(400, "Expected 'displayname' key.") + assert_params_in_dict(user_json, ["localpart", "displayname"]) localpart = user_json["localpart"].encode("utf-8") displayname = user_json["displayname"].encode("utf-8") diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py index 528c1f43f9..eeae466d82 100644 --- a/synapse/rest/client/v2_alpha/account.py +++ b/synapse/rest/client/v2_alpha/account.py @@ -20,12 +20,11 @@ from six.moves import http_client from twisted.internet import defer -from synapse.api.auth import has_access_token from synapse.api.constants import LoginType from synapse.api.errors import Codes, SynapseError from synapse.http.servlet import ( RestServlet, - assert_params_in_request, + assert_params_in_dict, parse_json_object_from_request, ) from synapse.util.msisdn import phone_number_to_msisdn @@ -48,7 +47,7 @@ class EmailPasswordRequestTokenRestServlet(RestServlet): def on_POST(self, request): body = parse_json_object_from_request(request) - assert_params_in_request(body, [ + assert_params_in_dict(body, [ 'id_server', 'client_secret', 'email', 'send_attempt' ]) @@ -81,7 +80,7 @@ class MsisdnPasswordRequestTokenRestServlet(RestServlet): def on_POST(self, request): body = parse_json_object_from_request(request) - assert_params_in_request(body, [ + assert_params_in_dict(body, [ 'id_server', 'client_secret', 'country', 'phone_number', 'send_attempt', ]) @@ -130,7 +129,7 @@ class PasswordRestServlet(RestServlet): # # In the second case, we require a password to confirm their identity. - if has_access_token(request): + if self.auth.has_access_token(request): requester = yield self.auth.get_user_by_req(request) params = yield self.auth_handler.validate_user_via_ui_auth( requester, body, self.hs.get_ip_from_request(request), @@ -160,11 +159,10 @@ class PasswordRestServlet(RestServlet): raise SynapseError(404, "Email address not found", Codes.NOT_FOUND) user_id = threepid_user_id else: - logger.error("Auth succeeded but no known type!", result.keys()) + logger.error("Auth succeeded but no known type! %r", result.keys()) raise SynapseError(500, "", Codes.UNKNOWN) - if 'new_password' not in params: - raise SynapseError(400, "", Codes.MISSING_PARAM) + assert_params_in_dict(params, ["new_password"]) new_password = params['new_password'] yield self._set_password_handler.set_password( @@ -229,15 +227,10 @@ class EmailThreepidRequestTokenRestServlet(RestServlet): @defer.inlineCallbacks def on_POST(self, request): body = parse_json_object_from_request(request) - - required = ['id_server', 'client_secret', 'email', 'send_attempt'] - absent = [] - for k in required: - if k not in body: - absent.append(k) - - if absent: - raise SynapseError(400, "Missing params: %r" % absent, Codes.MISSING_PARAM) + assert_params_in_dict( + body, + ['id_server', 'client_secret', 'email', 'send_attempt'], + ) if not check_3pid_allowed(self.hs, "email", body['email']): raise SynapseError( @@ -267,18 +260,10 @@ class MsisdnThreepidRequestTokenRestServlet(RestServlet): @defer.inlineCallbacks def on_POST(self, request): body = parse_json_object_from_request(request) - - required = [ + assert_params_in_dict(body, [ 'id_server', 'client_secret', 'country', 'phone_number', 'send_attempt', - ] - absent = [] - for k in required: - if k not in body: - absent.append(k) - - if absent: - raise SynapseError(400, "Missing params: %r" % absent, Codes.MISSING_PARAM) + ]) msisdn = phone_number_to_msisdn(body['country'], body['phone_number']) @@ -373,15 +358,7 @@ class ThreepidDeleteRestServlet(RestServlet): @defer.inlineCallbacks def on_POST(self, request): body = parse_json_object_from_request(request) - - required = ['medium', 'address'] - absent = [] - for k in required: - if k not in body: - absent.append(k) - - if absent: - raise SynapseError(400, "Missing params: %r" % absent, Codes.MISSING_PARAM) + assert_params_in_dict(body, ['medium', 'address']) requester = yield self.auth.get_user_by_req(request) user_id = requester.user.to_string() diff --git a/synapse/rest/client/v2_alpha/devices.py b/synapse/rest/client/v2_alpha/devices.py index 09f6a8efe3..9b75bb1377 100644 --- a/synapse/rest/client/v2_alpha/devices.py +++ b/synapse/rest/client/v2_alpha/devices.py @@ -18,14 +18,18 @@ import logging from twisted.internet import defer from synapse.api import errors -from synapse.http import servlet +from synapse.http.servlet import ( + RestServlet, + assert_params_in_dict, + parse_json_object_from_request, +) from ._base import client_v2_patterns, interactive_auth_handler logger = logging.getLogger(__name__) -class DevicesRestServlet(servlet.RestServlet): +class DevicesRestServlet(RestServlet): PATTERNS = client_v2_patterns("/devices$", v2_alpha=False) def __init__(self, hs): @@ -47,7 +51,7 @@ class DevicesRestServlet(servlet.RestServlet): defer.returnValue((200, {"devices": devices})) -class DeleteDevicesRestServlet(servlet.RestServlet): +class DeleteDevicesRestServlet(RestServlet): """ API for bulk deletion of devices. Accepts a JSON object with a devices key which lists the device_ids to delete. Requires user interactive auth. @@ -67,19 +71,17 @@ class DeleteDevicesRestServlet(servlet.RestServlet): requester = yield self.auth.get_user_by_req(request) try: - body = servlet.parse_json_object_from_request(request) + body = parse_json_object_from_request(request) except errors.SynapseError as e: if e.errcode == errors.Codes.NOT_JSON: - # deal with older clients which didn't pass a J*DELETESON dict + # DELETE + # deal with older clients which didn't pass a JSON dict # the same as those that pass an empty dict body = {} else: raise e - if 'devices' not in body: - raise errors.SynapseError( - 400, "No devices supplied", errcode=errors.Codes.MISSING_PARAM - ) + assert_params_in_dict(body, ["devices"]) yield self.auth_handler.validate_user_via_ui_auth( requester, body, self.hs.get_ip_from_request(request), @@ -92,7 +94,7 @@ class DeleteDevicesRestServlet(servlet.RestServlet): defer.returnValue((200, {})) -class DeviceRestServlet(servlet.RestServlet): +class DeviceRestServlet(RestServlet): PATTERNS = client_v2_patterns("/devices/(?P<device_id>[^/]*)$", v2_alpha=False) def __init__(self, hs): @@ -121,7 +123,7 @@ class DeviceRestServlet(servlet.RestServlet): requester = yield self.auth.get_user_by_req(request) try: - body = servlet.parse_json_object_from_request(request) + body = parse_json_object_from_request(request) except errors.SynapseError as e: if e.errcode == errors.Codes.NOT_JSON: @@ -144,7 +146,7 @@ class DeviceRestServlet(servlet.RestServlet): def on_PUT(self, request, device_id): requester = yield self.auth.get_user_by_req(request, allow_guest=True) - body = servlet.parse_json_object_from_request(request) + body = parse_json_object_from_request(request) yield self.device_handler.update_device( requester.user.to_string(), device_id, diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py index 896650d5a5..d6cf915d86 100644 --- a/synapse/rest/client/v2_alpha/register.py +++ b/synapse/rest/client/v2_alpha/register.py @@ -24,12 +24,11 @@ from twisted.internet import defer import synapse import synapse.types -from synapse.api.auth import get_access_token_from_request, has_access_token from synapse.api.constants import LoginType from synapse.api.errors import Codes, SynapseError, UnrecognizedRequestError from synapse.http.servlet import ( RestServlet, - assert_params_in_request, + assert_params_in_dict, parse_json_object_from_request, parse_string, ) @@ -69,7 +68,7 @@ class EmailRegisterRequestTokenRestServlet(RestServlet): def on_POST(self, request): body = parse_json_object_from_request(request) - assert_params_in_request(body, [ + assert_params_in_dict(body, [ 'id_server', 'client_secret', 'email', 'send_attempt' ]) @@ -105,7 +104,7 @@ class MsisdnRegisterRequestTokenRestServlet(RestServlet): def on_POST(self, request): body = parse_json_object_from_request(request) - assert_params_in_request(body, [ + assert_params_in_dict(body, [ 'id_server', 'client_secret', 'country', 'phone_number', 'send_attempt', @@ -224,7 +223,7 @@ class RegisterRestServlet(RestServlet): desired_username = body['username'] appservice = None - if has_access_token(request): + if self.auth.has_access_token(request): appservice = yield self.auth.get_appservice_by_req(request) # fork off as soon as possible for ASes and shared secret auth which @@ -242,7 +241,7 @@ class RegisterRestServlet(RestServlet): # because the IRC bridges rely on being able to register stupid # IDs. - access_token = get_access_token_from_request(request) + access_token = self.auth.get_access_token_from_request(request) if isinstance(desired_username, string_types): result = yield self._do_appservice_registration( @@ -387,9 +386,7 @@ class RegisterRestServlet(RestServlet): add_msisdn = False else: # NB: This may be from the auth handler and NOT from the POST - if 'password' not in params: - raise SynapseError(400, "Missing password.", - Codes.MISSING_PARAM) + assert_params_in_dict(params, ["password"]) desired_username = params.get("username", None) new_password = params.get("password", None) @@ -566,11 +563,14 @@ class RegisterRestServlet(RestServlet): Returns: defer.Deferred: """ - reqd = ('medium', 'address', 'validated_at') - if any(x not in threepid for x in reqd): - # This will only happen if the ID server returns a malformed response - logger.info("Can't add incomplete 3pid") - defer.returnValue() + try: + assert_params_in_dict(threepid, ['medium', 'address', 'validated_at']) + except SynapseError as ex: + if ex.errcode == Codes.MISSING_PARAM: + # This will only happen if the ID server returns a malformed response + logger.info("Can't add incomplete 3pid") + defer.returnValue(None) + raise yield self.auth_handler.add_threepid( user_id, @@ -643,7 +643,7 @@ class RegisterRestServlet(RestServlet): @defer.inlineCallbacks def _do_guest_registration(self, params): if not self.hs.config.allow_guest_access: - defer.returnValue((403, "Guest access is disabled")) + raise SynapseError(403, "Guest access is disabled") user_id, _ = yield self.registration_handler.register( generate_token=False, make_guest=True diff --git a/synapse/rest/client/v2_alpha/report_event.py b/synapse/rest/client/v2_alpha/report_event.py index 08bb8e04fd..95d2a71ec2 100644 --- a/synapse/rest/client/v2_alpha/report_event.py +++ b/synapse/rest/client/v2_alpha/report_event.py @@ -15,9 +15,17 @@ import logging +from six import string_types +from six.moves import http_client + from twisted.internet import defer -from synapse.http.servlet import RestServlet, parse_json_object_from_request +from synapse.api.errors import Codes, SynapseError +from synapse.http.servlet import ( + RestServlet, + assert_params_in_dict, + parse_json_object_from_request, +) from ._base import client_v2_patterns @@ -42,12 +50,26 @@ class ReportEventRestServlet(RestServlet): user_id = requester.user.to_string() body = parse_json_object_from_request(request) + assert_params_in_dict(body, ("reason", "score")) + + if not isinstance(body["reason"], string_types): + raise SynapseError( + http_client.BAD_REQUEST, + "Param 'reason' must be a string", + Codes.BAD_JSON, + ) + if not isinstance(body["score"], int): + raise SynapseError( + http_client.BAD_REQUEST, + "Param 'score' must be an integer", + Codes.BAD_JSON, + ) yield self.store.add_event_report( room_id=room_id, event_id=event_id, user_id=user_id, - reason=body.get("reason"), + reason=body["reason"], content=body, received_ts=self.clock.time_msec(), ) diff --git a/synapse/rest/client/v2_alpha/sendtodevice.py b/synapse/rest/client/v2_alpha/sendtodevice.py index 90bdb1db15..a9e9a47a0b 100644 --- a/synapse/rest/client/v2_alpha/sendtodevice.py +++ b/synapse/rest/client/v2_alpha/sendtodevice.py @@ -40,7 +40,7 @@ class SendToDeviceRestServlet(servlet.RestServlet): super(SendToDeviceRestServlet, self).__init__() self.hs = hs self.auth = hs.get_auth() - self.txns = HttpTransactionCache(hs.get_clock()) + self.txns = HttpTransactionCache(hs) self.device_message_handler = hs.get_device_message_handler() def on_PUT(self, request, message_type, txn_id): diff --git a/synapse/rest/media/v1/identicon_resource.py b/synapse/rest/media/v1/identicon_resource.py index a2e391415f..bdbd8d50dd 100644 --- a/synapse/rest/media/v1/identicon_resource.py +++ b/synapse/rest/media/v1/identicon_resource.py @@ -16,6 +16,8 @@ from pydenticon import Generator from twisted.web.resource import Resource +from synapse.http.servlet import parse_integer + FOREGROUND = [ "rgb(45,79,255)", "rgb(254,180,44)", @@ -56,8 +58,8 @@ class IdenticonResource(Resource): def render_GET(self, request): name = "/".join(request.postpath) - width = int(request.args.get("width", [96])[0]) - height = int(request.args.get("height", [96])[0]) + width = parse_integer(request, "width", default=96) + height = parse_integer(request, "height", default=96) identicon_bytes = self.generate_identicon(name, width, height) request.setHeader(b"Content-Type", b"image/png") request.setHeader( diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index 4e3a18ce08..b70b15c4c2 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -40,6 +40,7 @@ from synapse.http.server import ( respond_with_json_bytes, wrap_json_request_handler, ) +from synapse.http.servlet import parse_integer, parse_string from synapse.util.async import ObservableDeferred from synapse.util.caches.expiringcache import ExpiringCache from synapse.util.logcontext import make_deferred_yieldable, run_in_background @@ -96,9 +97,9 @@ class PreviewUrlResource(Resource): # XXX: if get_user_by_req fails, what should we do in an async render? requester = yield self.auth.get_user_by_req(request) - url = request.args.get("url")[0] + url = parse_string(request, "url") if "ts" in request.args: - ts = int(request.args.get("ts")[0]) + ts = parse_integer(request, "ts") else: ts = self.clock.time_msec() diff --git a/synapse/rest/media/v1/upload_resource.py b/synapse/rest/media/v1/upload_resource.py index 1a98120e1d..9b22d204a6 100644 --- a/synapse/rest/media/v1/upload_resource.py +++ b/synapse/rest/media/v1/upload_resource.py @@ -21,6 +21,7 @@ from twisted.web.server import NOT_DONE_YET from synapse.api.errors import SynapseError from synapse.http.server import respond_with_json, wrap_json_request_handler +from synapse.http.servlet import parse_string logger = logging.getLogger(__name__) @@ -65,10 +66,10 @@ class UploadResource(Resource): code=413, ) - upload_name = request.args.get("filename", None) + upload_name = parse_string(request, "filename") if upload_name: try: - upload_name = upload_name[0].decode('UTF-8') + upload_name = upload_name.decode('UTF-8') except UnicodeDecodeError: raise SynapseError( msg="Invalid UTF-8 filename parameter: %r" % (upload_name), diff --git a/synapse/secrets.py b/synapse/secrets.py new file mode 100644 index 0000000000..f397daaa5e --- /dev/null +++ b/synapse/secrets.py @@ -0,0 +1,42 @@ +# -*- 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. + +""" +Injectable secrets module for Synapse. + +See https://docs.python.org/3/library/secrets.html#module-secrets for the API +used in Python 3.6, and the API emulated in Python 2.7. +""" + +import six + +if six.PY3: + import secrets + + def Secrets(): + return secrets + + +else: + + import os + import binascii + + class Secrets(object): + def token_bytes(self, nbytes=32): + return os.urandom(nbytes) + + def token_hex(self, nbytes=32): + return binascii.hexlify(self.token_bytes(nbytes)) diff --git a/synapse/server.py b/synapse/server.py index 92bea96c5c..fd4f992258 100644 --- a/synapse/server.py +++ b/synapse/server.py @@ -74,6 +74,7 @@ from synapse.rest.media.v1.media_repository import ( MediaRepository, MediaRepositoryResource, ) +from synapse.secrets import Secrets from synapse.server_notices.server_notices_manager import ServerNoticesManager from synapse.server_notices.server_notices_sender import ServerNoticesSender from synapse.server_notices.worker_server_notices_sender import WorkerServerNoticesSender @@ -158,6 +159,7 @@ class HomeServer(object): 'groups_server_handler', 'groups_attestation_signing', 'groups_attestation_renewer', + 'secrets', 'spam_checker', 'room_member_handler', 'federation_registry', @@ -405,6 +407,9 @@ class HomeServer(object): def build_groups_attestation_renewer(self): return GroupAttestionRenewer(self) + def build_secrets(self): + return Secrets() + def build_spam_checker(self): return SpamChecker(self) diff --git a/synapse/state.py b/synapse/state.py index 15a593d41c..504caae2f7 100644 --- a/synapse/state.py +++ b/synapse/state.py @@ -18,7 +18,7 @@ import hashlib import logging from collections import namedtuple -from six import iteritems, itervalues +from six import iteritems, iterkeys, itervalues from frozendict import frozendict @@ -647,7 +647,7 @@ def resolve_events_with_factory(state_sets, event_map, state_map_factory): for event_id in event_ids ) if event_map is not None: - needed_events -= set(event_map.iterkeys()) + needed_events -= set(iterkeys(event_map)) logger.info("Asking for %d conflicted events", len(needed_events)) @@ -668,7 +668,7 @@ def resolve_events_with_factory(state_sets, event_map, state_map_factory): new_needed_events = set(itervalues(auth_events)) new_needed_events -= needed_events if event_map is not None: - new_needed_events -= set(event_map.iterkeys()) + new_needed_events -= set(iterkeys(event_map)) logger.info("Asking for %d auth events", len(new_needed_events)) diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index 98dde77431..1d41d8d445 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -344,7 +344,7 @@ class SQLBaseStore(object): parent_context = LoggingContext.current_context() if parent_context == LoggingContext.sentinel: logger.warn( - "Running db txn from sentinel context: metrics will be lost", + "Starting db connection from sentinel context: metrics will be lost", ) parent_context = None diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py index dc9eca7d15..5fe1ca2de7 100644 --- a/synapse/storage/background_updates.py +++ b/synapse/storage/background_updates.py @@ -19,6 +19,8 @@ from canonicaljson import json from twisted.internet import defer +from synapse.metrics.background_process_metrics import run_as_background_process + from . import engines from ._base import SQLBaseStore @@ -87,10 +89,14 @@ class BackgroundUpdateStore(SQLBaseStore): self._background_update_handlers = {} self._all_done = False - @defer.inlineCallbacks def start_doing_background_updates(self): - logger.info("Starting background schema updates") + run_as_background_process( + "background_updates", self._run_background_updates, + ) + @defer.inlineCallbacks + def _run_background_updates(self): + logger.info("Starting background schema updates") while True: yield self.hs.get_clock().sleep( self.BACKGROUND_UPDATE_INTERVAL_MS / 1000.) diff --git a/synapse/storage/client_ips.py b/synapse/storage/client_ips.py index b78eda3413..77ae10da3d 100644 --- a/synapse/storage/client_ips.py +++ b/synapse/storage/client_ips.py @@ -19,6 +19,7 @@ from six import iteritems from twisted.internet import defer +from synapse.metrics.background_process_metrics import run_as_background_process from synapse.util.caches import CACHE_SIZE_FACTOR from . import background_updates @@ -93,10 +94,16 @@ class ClientIpStore(background_updates.BackgroundUpdateStore): self._batch_row_update[key] = (user_agent, device_id, now) def _update_client_ips_batch(self): - to_update = self._batch_row_update - self._batch_row_update = {} - return self.runInteraction( - "_update_client_ips_batch", self._update_client_ips_batch_txn, to_update + def update(): + to_update = self._batch_row_update + self._batch_row_update = {} + return self.runInteraction( + "_update_client_ips_batch", self._update_client_ips_batch_txn, + to_update, + ) + + run_as_background_process( + "update_client_ips", update, ) def _update_client_ips_batch_txn(self, txn, to_update): diff --git a/synapse/storage/events.py b/synapse/storage/events.py index 2aaab0d02c..4ff0fdc4ab 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -33,12 +33,13 @@ from synapse.api.errors import SynapseError # these are only included to make the type annotations work 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.storage.events_worker import EventsWorkerStore from synapse.types import RoomStreamToken, get_domain_from_id from synapse.util.async import ObservableDeferred from synapse.util.caches.descriptors import cached, cachedInlineCallbacks from synapse.util.frozenutils import frozendict_json_encoder -from synapse.util.logcontext import PreserveLoggingContext, make_deferred_yieldable +from synapse.util.logcontext import make_deferred_yieldable from synapse.util.logutils import log_function from synapse.util.metrics import Measure @@ -155,11 +156,8 @@ class _EventPeristenceQueue(object): self._event_persist_queues[room_id] = queue self._currently_persisting_rooms.discard(room_id) - # set handle_queue_loop off on the background. We don't want to - # attribute work done in it to the current request, so we drop the - # logcontext altogether. - with PreserveLoggingContext(): - handle_queue_loop() + # set handle_queue_loop off in the background + run_as_background_process("persist_events", handle_queue_loop) def _get_drainining_queue(self, room_id): queue = self._event_persist_queues.setdefault(room_id, deque()) diff --git a/synapse/storage/events_worker.py b/synapse/storage/events_worker.py index 67433606c6..f28239a808 100644 --- a/synapse/storage/events_worker.py +++ b/synapse/storage/events_worker.py @@ -25,6 +25,7 @@ from synapse.events import EventBase # noqa: F401 from synapse.events import FrozenEvent from synapse.events.snapshot import EventContext # noqa: F401 from synapse.events.utils import prune_event +from synapse.metrics.background_process_metrics import run_as_background_process from synapse.util.logcontext import ( LoggingContext, PreserveLoggingContext, @@ -322,10 +323,11 @@ class EventsWorkerStore(SQLBaseStore): should_start = False if should_start: - with PreserveLoggingContext(): - self.runWithConnection( - self._do_fetch - ) + run_as_background_process( + "fetch_events", + self.runWithConnection, + self._do_fetch, + ) logger.debug("Loading %d events", len(events)) with PreserveLoggingContext(): diff --git a/synapse/storage/receipts.py b/synapse/storage/receipts.py index 3738901ea4..0ac665e967 100644 --- a/synapse/storage/receipts.py +++ b/synapse/storage/receipts.py @@ -140,7 +140,9 @@ class ReceiptsWorkerStore(SQLBaseStore): """ room_ids = set(room_ids) - if from_key: + if from_key is not None: + # Only ask the database about rooms where there have been new + # receipts added since `from_key` room_ids = yield self._receipts_stream_cache.get_entities_changed( room_ids, from_key ) @@ -151,7 +153,6 @@ class ReceiptsWorkerStore(SQLBaseStore): defer.returnValue([ev for res in results.values() for ev in res]) - @cachedInlineCallbacks(num_args=3, tree=True) def get_linearized_receipts_for_room(self, room_id, to_key, from_key=None): """Get receipts for a single room for sending to clients. @@ -162,7 +163,19 @@ class ReceiptsWorkerStore(SQLBaseStore): from the start. Returns: - list: A list of receipts. + Deferred[list]: A list of receipts. + """ + if from_key is not None: + # Check the cache first to see if any new receipts have been added + # since`from_key`. If not we can no-op. + if not self._receipts_stream_cache.has_entity_changed(room_id, from_key): + defer.succeed([]) + + return self._get_linearized_receipts_for_room(room_id, to_key, from_key) + + @cachedInlineCallbacks(num_args=3, tree=True) + def _get_linearized_receipts_for_room(self, room_id, to_key, from_key=None): + """See get_linearized_receipts_for_room """ def f(txn): if from_key: @@ -211,7 +224,7 @@ class ReceiptsWorkerStore(SQLBaseStore): "content": content, }]) - @cachedList(cached_method_name="get_linearized_receipts_for_room", + @cachedList(cached_method_name="_get_linearized_receipts_for_room", list_name="room_ids", num_args=3, inlineCallbacks=True) def _get_linearized_receipts_for_rooms(self, room_ids, to_key, from_key=None): if not room_ids: @@ -373,7 +386,7 @@ class ReceiptsStore(ReceiptsWorkerStore): self.get_receipts_for_user.invalidate, (user_id, receipt_type) ) # FIXME: This shouldn't invalidate the whole cache - txn.call_after(self.get_linearized_receipts_for_room.invalidate_many, (room_id,)) + txn.call_after(self._get_linearized_receipts_for_room.invalidate_many, (room_id,)) txn.call_after( self._receipts_stream_cache.entity_has_changed, @@ -493,7 +506,7 @@ class ReceiptsStore(ReceiptsWorkerStore): self.get_receipts_for_user.invalidate, (user_id, receipt_type) ) # FIXME: This shouldn't invalidate the whole cache - txn.call_after(self.get_linearized_receipts_for_room.invalidate_many, (room_id,)) + txn.call_after(self._get_linearized_receipts_for_room.invalidate_many, (room_id,)) self._simple_delete_txn( txn, diff --git a/synapse/streams/config.py b/synapse/streams/config.py index 46ccbbda7d..451e4fa441 100644 --- a/synapse/streams/config.py +++ b/synapse/streams/config.py @@ -16,6 +16,7 @@ import logging from synapse.api.errors import SynapseError +from synapse.http.servlet import parse_integer, parse_string from synapse.types import StreamToken logger = logging.getLogger(__name__) @@ -56,23 +57,10 @@ class PaginationConfig(object): @classmethod def from_request(cls, request, raise_invalid_params=True, default_limit=None): - def get_param(name, default=None): - lst = request.args.get(name, []) - if len(lst) > 1: - raise SynapseError( - 400, "%s must be specified only once" % (name,) - ) - elif len(lst) == 1: - return lst[0] - else: - return default - - direction = get_param("dir", 'f') - if direction not in ['f', 'b']: - raise SynapseError(400, "'dir' parameter is invalid.") - - from_tok = get_param("from") - to_tok = get_param("to") + direction = parse_string(request, "dir", default='f', allowed_values=['f', 'b']) + + from_tok = parse_string(request, "from") + to_tok = parse_string(request, "to") try: if from_tok == "END": @@ -88,12 +76,10 @@ class PaginationConfig(object): except Exception: raise SynapseError(400, "'to' paramater is invalid") - limit = get_param("limit", None) - if limit is not None and not limit.isdigit(): - raise SynapseError(400, "'limit' parameter must be an integer.") + limit = parse_integer(request, "limit", default=default_limit) - if limit is None: - limit = default_limit + if limit and limit < 0: + raise SynapseError(400, "Limit must be 0 or above") try: return PaginationConfig(from_tok, to_tok, direction, limit) diff --git a/synapse/util/async.py b/synapse/util/async.py index 5d0fb39130..a7094e2fb4 100644 --- a/synapse/util/async.py +++ b/synapse/util/async.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd +# Copyright 2018 New Vector Ltd. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -12,7 +13,7 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. - +import collections import logging from contextlib import contextmanager @@ -156,54 +157,72 @@ def concurrently_execute(func, args, limit): class Linearizer(object): - """Linearizes access to resources based on a key. Useful to ensure only one - thing is happening at a time on a given resource. + """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 linearizer.queue("test_key")): + with (yield limiter.queue("test_key")): # do some work. """ - def __init__(self, name=None, clock=None): + def __init__(self, name=None, max_count=1, clock=None): + """ + Args: + max_count(int): The maximum number of concurrent accesses + """ if name is None: self.name = id(self) else: self.name = name - self.key_to_defer = {} if not clock: from twisted.internet import reactor clock = Clock(reactor) 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 = {} @defer.inlineCallbacks def queue(self, key): - # If there is already a deferred in the queue, we pull it out so that - # we can wait on it later. - # Then we replace it with a deferred that we resolve *after* the - # context manager has exited. - # We only return the context manager after the previous deferred has - # resolved. - # This all has the net effect of creating a chain of deferreds that - # wait for the previous deferred before starting their work. - current_defer = self.key_to_defer.get(key) + entry = self.key_to_defer.setdefault(key, [0, collections.OrderedDict()]) - new_defer = defer.Deferred() - self.key_to_defer[key] = new_defer + # If the number of things executing is greater than the maximum + # then add a deferred to the list of blocked items + # When on of the things currently executing finishes it will callback + # this item so that it can continue executing. + if entry[0] >= self.max_count: + new_defer = defer.Deferred() + entry[1][new_defer] = 1 - if current_defer: logger.info( - "Waiting to acquire linearizer lock %r for key %r", self.name, key + "Waiting to acquire linearizer lock %r for key %r", self.name, key, ) try: - with PreserveLoggingContext(): - yield current_defer - except Exception: - logger.exception("Unexpected exception in Linearizer") - - logger.info("Acquired linearizer lock %r for key %r", self.name, - key) + yield make_deferred_yieldable(new_defer) + except Exception as e: + if isinstance(e, CancelledError): + logger.info( + "Cancelling wait for linearizer lock %r for key %r", + self.name, key, + ) + else: + logger.warn( + "Unexpected exception waiting for linearizer lock %r for key %r", + self.name, key, + ) + + # we just have to take ourselves back out of the queue. + del entry[1][new_defer] + raise + + logger.info("Acquired linearizer lock %r for key %r", self.name, key) + entry[0] += 1 # if the code holding the lock completes synchronously, then it # will recursively run the next claimant on the list. That can @@ -213,15 +232,15 @@ class Linearizer(object): # In order to break the cycle, we add a cheeky sleep(0) here to # ensure that we fall back to the reactor between each iteration. # - # (There's no particular need for it to happen before we return - # the context manager, but it needs to happen while we hold the - # lock, and the context manager's exit code must be synchronous, - # so actually this is the only sensible place. + # (This needs to happen while we hold the lock, and the context manager's exit + # code must be synchronous, so this is the only sensible place.) yield self._clock.sleep(0) else: - logger.info("Acquired uncontended linearizer lock %r for key %r", - self.name, key) + logger.info( + "Acquired uncontended linearizer lock %r for key %r", self.name, key, + ) + entry[0] += 1 @contextmanager def _ctx_manager(): @@ -229,73 +248,15 @@ class Linearizer(object): yield finally: logger.info("Releasing linearizer lock %r for key %r", self.name, key) - with PreserveLoggingContext(): - new_defer.callback(None) - current_d = self.key_to_defer.get(key) - if current_d is new_defer: - self.key_to_defer.pop(key, None) - - defer.returnValue(_ctx_manager()) - - -class Limiter(object): - """Limits concurrent access to resources based on a key. Useful to ensure - only a few thing happen at a time on a given resource. - - Example: - - with (yield limiter.queue("test_key")): - # do some work. - - """ - def __init__(self, max_count): - """ - Args: - max_count(int): The maximum number of concurrent access - """ - 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 - # the second element is a list of deferreds for the things blocked from - # executing. - self.key_to_defer = {} - - @defer.inlineCallbacks - def queue(self, key): - entry = self.key_to_defer.setdefault(key, [0, []]) - - # If the number of things executing is greater than the maximum - # then add a deferred to the list of blocked items - # When on of the things currently executing finishes it will callback - # this item so that it can continue executing. - if entry[0] >= self.max_count: - new_defer = defer.Deferred() - entry[1].append(new_defer) - - logger.info("Waiting to acquire limiter lock for key %r", key) - with PreserveLoggingContext(): - yield new_defer - logger.info("Acquired limiter lock for key %r", key) - else: - logger.info("Acquired uncontended limiter lock for key %r", key) - - entry[0] += 1 - - @contextmanager - def _ctx_manager(): - try: - yield - finally: - logger.info("Releasing limiter lock for key %r", key) # We've finished executing so check if there are any things # blocked waiting to execute and start one of them entry[0] -= 1 if entry[1]: - next_def = entry[1].pop(0) + (next_def, _) = entry[1].popitem(last=False) + # we need to run the next thing in the sentinel context. with PreserveLoggingContext(): next_def.callback(None) elif entry[0] == 0: diff --git a/synapse/util/caches/expiringcache.py b/synapse/util/caches/expiringcache.py index 4abca91f6d..465adc54a8 100644 --- a/synapse/util/caches/expiringcache.py +++ b/synapse/util/caches/expiringcache.py @@ -16,6 +16,7 @@ import logging from collections import OrderedDict +from synapse.metrics.background_process_metrics import run_as_background_process from synapse.util.caches import register_cache logger = logging.getLogger(__name__) @@ -63,7 +64,10 @@ class ExpiringCache(object): return def f(): - self._prune_cache() + run_as_background_process( + "prune_cache_%s" % self._cache_name, + self._prune_cache, + ) self._clock.looping_call(f, self._expiry_ms / 2) diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index 8637867c6d..f2bde74dc5 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -74,14 +74,13 @@ class StreamChangeCache(object): assert type(stream_pos) is int if stream_pos >= self._earliest_known_stream_pos: - not_known_entities = set(entities) - set(self._entity_to_key) - - result = ( - {self._cache[k] for k in self._cache.islice( - start=self._cache.bisect_right(stream_pos))} - .intersection(entities) - .union(not_known_entities) - ) + changed_entities = { + self._cache[k] for k in self._cache.islice( + start=self._cache.bisect_right(stream_pos), + ) + } + + result = changed_entities.intersection(entities) self.metrics.inc_hits() else: diff --git a/synapse/util/distributor.py b/synapse/util/distributor.py index 734331caaa..194da87639 100644 --- a/synapse/util/distributor.py +++ b/synapse/util/distributor.py @@ -17,20 +17,18 @@ import logging from twisted.internet import defer -from synapse.util import unwrapFirstError -from synapse.util.logcontext import PreserveLoggingContext +from synapse.metrics.background_process_metrics import run_as_background_process +from synapse.util.logcontext import make_deferred_yieldable, run_in_background logger = logging.getLogger(__name__) def user_left_room(distributor, user, room_id): - with PreserveLoggingContext(): - distributor.fire("user_left_room", user=user, room_id=room_id) + distributor.fire("user_left_room", user=user, room_id=room_id) def user_joined_room(distributor, user, room_id): - with PreserveLoggingContext(): - distributor.fire("user_joined_room", user=user, room_id=room_id) + distributor.fire("user_joined_room", user=user, room_id=room_id) class Distributor(object): @@ -44,9 +42,7 @@ class Distributor(object): model will do for today. """ - def __init__(self, suppress_failures=True): - self.suppress_failures = suppress_failures - + def __init__(self): self.signals = {} self.pre_registration = {} @@ -56,7 +52,6 @@ class Distributor(object): self.signals[name] = Signal( name, - suppress_failures=self.suppress_failures, ) if name in self.pre_registration: @@ -75,10 +70,18 @@ class Distributor(object): self.pre_registration[name].append(observer) def fire(self, name, *args, **kwargs): + """Dispatches the given signal to the registered observers. + + Runs the observers as a background process. Does not return a deferred. + """ if name not in self.signals: raise KeyError("%r does not have a signal named %s" % (self, name)) - return self.signals[name].fire(*args, **kwargs) + run_as_background_process( + name, + self.signals[name].fire, + *args, **kwargs + ) class Signal(object): @@ -91,9 +94,8 @@ class Signal(object): method into all of the observers. """ - def __init__(self, name, suppress_failures): + def __init__(self, name): self.name = name - self.suppress_failures = suppress_failures self.observers = [] def observe(self, observer): @@ -103,7 +105,6 @@ class Signal(object): Each observer callable may return a Deferred.""" self.observers.append(observer) - @defer.inlineCallbacks def fire(self, *args, **kwargs): """Invokes every callable in the observer list, passing in the args and kwargs. Exceptions thrown by observers are logged but ignored. It is @@ -121,22 +122,17 @@ class Signal(object): failure.type, failure.value, failure.getTracebackObject())) - if not self.suppress_failures: - return failure return defer.maybeDeferred(observer, *args, **kwargs).addErrback(eb) - with PreserveLoggingContext(): - deferreds = [ - do(observer) - for observer in self.observers - ] - - res = yield defer.gatherResults( - deferreds, consumeErrors=True - ).addErrback(unwrapFirstError) + deferreds = [ + run_in_background(do, o) + for o in self.observers + ] - defer.returnValue(res) + return make_deferred_yieldable(defer.gatherResults( + deferreds, consumeErrors=True, + )) def __repr__(self): return "<Signal name=%r>" % (self.name,) diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py index f6c7175f74..8dcae50b39 100644 --- a/synapse/util/logcontext.py +++ b/synapse/util/logcontext.py @@ -99,6 +99,17 @@ class ContextResourceUsage(object): self.db_sched_duration_sec = 0 self.evt_db_fetch_count = 0 + def __repr__(self): + return ("<ContextResourceUsage ru_stime='%r', ru_utime='%r', " + "db_txn_count='%r', db_txn_duration_sec='%r', " + "db_sched_duration_sec='%r', evt_db_fetch_count='%r'>") % ( + self.ru_stime, + self.ru_utime, + self.db_txn_count, + self.db_txn_duration_sec, + self.db_sched_duration_sec, + self.evt_db_fetch_count,) + def __iadd__(self, other): """Add another ContextResourceUsage's stats to this one's. diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py index 6ba7107896..97f1267380 100644 --- a/synapse/util/metrics.py +++ b/synapse/util/metrics.py @@ -104,12 +104,19 @@ class Measure(object): logger.warn("Expected context. (%r)", self.name) return - usage = context.get_resource_usage() - self.start_usage - block_ru_utime.labels(self.name).inc(usage.ru_utime) - block_ru_stime.labels(self.name).inc(usage.ru_stime) - block_db_txn_count.labels(self.name).inc(usage.db_txn_count) - block_db_txn_duration.labels(self.name).inc(usage.db_txn_duration_sec) - block_db_sched_duration.labels(self.name).inc(usage.db_sched_duration_sec) + current = context.get_resource_usage() + usage = current - self.start_usage + try: + block_ru_utime.labels(self.name).inc(usage.ru_utime) + block_ru_stime.labels(self.name).inc(usage.ru_stime) + block_db_txn_count.labels(self.name).inc(usage.db_txn_count) + block_db_txn_duration.labels(self.name).inc(usage.db_txn_duration_sec) + block_db_sched_duration.labels(self.name).inc(usage.db_sched_duration_sec) + except ValueError: + logger.warn( + "Failed to save metrics! OLD: %r, NEW: %r", + self.start_usage, current + ) if self.created_context: self.start_context.__exit__(exc_type, exc_val, exc_tb) diff --git a/synapse/util/ratelimitutils.py b/synapse/util/ratelimitutils.py index 5ac33b2132..7deb38f2a7 100644 --- a/synapse/util/ratelimitutils.py +++ b/synapse/util/ratelimitutils.py @@ -92,13 +92,22 @@ class _PerHostRatelimiter(object): self.window_size = window_size self.sleep_limit = sleep_limit - self.sleep_msec = sleep_msec + self.sleep_sec = sleep_msec / 1000.0 self.reject_limit = reject_limit self.concurrent_requests = concurrent_requests + # request_id objects for requests which have been slept self.sleeping_requests = set() + + # map from request_id object to Deferred for requests which are ready + # for processing but have been queued self.ready_request_queue = collections.OrderedDict() + + # request id objects for requests which are in progress self.current_processing = set() + + # times at which we have recently (within the last window_size ms) + # received requests. self.request_times = [] @contextlib.contextmanager @@ -117,11 +126,15 @@ class _PerHostRatelimiter(object): def _on_enter(self, request_id): time_now = self.clock.time_msec() + + # remove any entries from request_times which aren't within the window self.request_times[:] = [ r for r in self.request_times if time_now - r < self.window_size ] + # reject the request if we already have too many queued up (either + # sleeping or in the ready queue). queue_size = len(self.ready_request_queue) + len(self.sleeping_requests) if queue_size > self.reject_limit: raise LimitExceededError( @@ -134,9 +147,13 @@ class _PerHostRatelimiter(object): def queue_request(): if len(self.current_processing) > self.concurrent_requests: - logger.debug("Ratelimit [%s]: Queue req", id(request_id)) queue_defer = defer.Deferred() self.ready_request_queue[request_id] = queue_defer + logger.info( + "Ratelimiter: queueing request (queue now %i items)", + len(self.ready_request_queue), + ) + return queue_defer else: return defer.succeed(None) @@ -148,10 +165,9 @@ class _PerHostRatelimiter(object): if len(self.request_times) > self.sleep_limit: logger.debug( - "Ratelimit [%s]: sleeping req", - id(request_id), + "Ratelimiter: sleeping request for %f sec", self.sleep_sec, ) - ret_defer = run_in_background(self.clock.sleep, self.sleep_msec / 1000.0) + ret_defer = run_in_background(self.clock.sleep, self.sleep_sec) self.sleeping_requests.add(request_id) @@ -200,11 +216,8 @@ class _PerHostRatelimiter(object): ) self.current_processing.discard(request_id) try: - request_id, deferred = self.ready_request_queue.popitem() - - # XXX: why do we do the following? the on_start callback above will - # do it for us. - self.current_processing.add(request_id) + # start processing the next item on the queue. + _, deferred = self.ready_request_queue.popitem(last=False) with PreserveLoggingContext(): deferred.callback(None) diff --git a/synapse/visibility.py b/synapse/visibility.py index 015c2bab37..ba0499a022 100644 --- a/synapse/visibility.py +++ b/synapse/visibility.py @@ -12,14 +12,18 @@ # 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 itertools + import logging import operator +from six import iteritems, itervalues +from six.moves import map + from twisted.internet import defer from synapse.api.constants import EventTypes, Membership from synapse.events.utils import prune_event +from synapse.types import get_domain_from_id from synapse.util.logcontext import make_deferred_yieldable, preserve_fn logger = logging.getLogger(__name__) @@ -218,10 +222,161 @@ def filter_events_for_client(store, user_id, events, is_peeking=False, return event # check each event: gives an iterable[None|EventBase] - filtered_events = itertools.imap(allowed, events) + filtered_events = map(allowed, events) # remove the None entries filtered_events = filter(operator.truth, filtered_events) # we turn it into a list before returning it. defer.returnValue(list(filtered_events)) + + +@defer.inlineCallbacks +def filter_events_for_server(store, server_name, events): + # Whatever else we do, we need to check for senders which have requested + # erasure of their data. + erased_senders = yield store.are_users_erased( + e.sender for e in events, + ) + + def redact_disallowed(event, state): + # if the sender has been gdpr17ed, always return a redacted + # copy of the event. + if erased_senders[event.sender]: + logger.info( + "Sender of %s has been erased, redacting", + event.event_id, + ) + return prune_event(event) + + # state will be None if we decided we didn't need to filter by + # room membership. + if not state: + return event + + history = state.get((EventTypes.RoomHistoryVisibility, ''), None) + if history: + visibility = history.content.get("history_visibility", "shared") + if visibility in ["invited", "joined"]: + # We now loop through all state events looking for + # membership states for the requesting server to determine + # if the server is either in the room or has been invited + # into the room. + for ev in itervalues(state): + if ev.type != EventTypes.Member: + continue + try: + domain = get_domain_from_id(ev.state_key) + except Exception: + continue + + if domain != server_name: + continue + + memtype = ev.membership + if memtype == Membership.JOIN: + return event + elif memtype == Membership.INVITE: + if visibility == "invited": + return event + else: + # server has no users in the room: redact + return prune_event(event) + + return event + + # Next lets check to see if all the events have a history visibility + # of "shared" or "world_readable". If thats the case then we don't + # need to check membership (as we know the server is in the room). + event_to_state_ids = yield store.get_state_ids_for_events( + frozenset(e.event_id for e in events), + types=( + (EventTypes.RoomHistoryVisibility, ""), + ) + ) + + visibility_ids = set() + for sids in itervalues(event_to_state_ids): + hist = sids.get((EventTypes.RoomHistoryVisibility, "")) + if hist: + visibility_ids.add(hist) + + # If we failed to find any history visibility events then the default + # is "shared" visiblity. + if not visibility_ids: + all_open = True + else: + event_map = yield store.get_events(visibility_ids) + all_open = all( + e.content.get("history_visibility") in (None, "shared", "world_readable") + for e in itervalues(event_map) + ) + + if all_open: + # all the history_visibility state affecting these events is open, so + # we don't need to filter by membership state. We *do* need to check + # for user erasure, though. + if erased_senders: + events = [ + redact_disallowed(e, None) + for e in events + ] + + defer.returnValue(events) + + # Ok, so we're dealing with events that have non-trivial visibility + # rules, so we need to also get the memberships of the room. + + # first, for each event we're wanting to return, get the event_ids + # of the history vis and membership state at those events. + event_to_state_ids = yield store.get_state_ids_for_events( + frozenset(e.event_id for e in events), + types=( + (EventTypes.RoomHistoryVisibility, ""), + (EventTypes.Member, None), + ) + ) + + # We only want to pull out member events that correspond to the + # server's domain. + # + # event_to_state_ids contains lots of duplicates, so it turns out to be + # cheaper to build a complete set of unique + # ((type, state_key), event_id) tuples, and then filter out the ones we + # don't want. + # + state_key_to_event_id_set = { + e + for key_to_eid in itervalues(event_to_state_ids) + for e in key_to_eid.items() + } + + def include(typ, state_key): + if typ != EventTypes.Member: + return True + + # we avoid using get_domain_from_id here for efficiency. + idx = state_key.find(":") + if idx == -1: + return False + return state_key[idx + 1:] == server_name + + event_map = yield store.get_events([ + e_id + for key, e_id in state_key_to_event_id_set + if include(key[0], key[1]) + ]) + + event_to_state = { + e_id: { + key: event_map[inner_e_id] + for key, inner_e_id in iteritems(key_to_eid) + if inner_e_id in event_map + } + for e_id, key_to_eid in iteritems(event_to_state_ids) + } + + defer.returnValue([ + redact_disallowed(e, event_to_state[e.event_id]) + for e in events + ]) |