diff options
57 files changed, 171 insertions, 135 deletions
diff --git a/synapse/app/_base.py b/synapse/app/_base.py index cf4730730d..9477737759 100644 --- a/synapse/app/_base.py +++ b/synapse/app/_base.py @@ -19,7 +19,7 @@ import sys try: import affinity -except: +except Exception: affinity = None from daemonize import Daemonize diff --git a/synapse/appservice/scheduler.py b/synapse/appservice/scheduler.py index 68a9de17b8..6da315473d 100644 --- a/synapse/appservice/scheduler.py +++ b/synapse/appservice/scheduler.py @@ -123,7 +123,7 @@ class _ServiceQueuer(object): with Measure(self.clock, "servicequeuer.send"): try: yield self.txn_ctrl.send(service, events) - except: + except Exception: logger.exception("AS request failed") finally: self.requests_in_flight.discard(service.id) diff --git a/synapse/config/server.py b/synapse/config/server.py index c9a1715f1f..b66993dab9 100644 --- a/synapse/config/server.py +++ b/synapse/config/server.py @@ -303,7 +303,7 @@ def read_gc_thresholds(thresholds): return ( int(thresholds[0]), int(thresholds[1]), int(thresholds[2]), ) - except: + except Exception: raise ConfigError( "Value of `gc_threshold` must be a list of three integers if set" ) diff --git a/synapse/crypto/context_factory.py b/synapse/crypto/context_factory.py index aad4752fe7..cff3ca809a 100644 --- a/synapse/crypto/context_factory.py +++ b/synapse/crypto/context_factory.py @@ -34,7 +34,7 @@ class ServerContextFactory(ssl.ContextFactory): try: _ecCurve = _OpenSSLECCurve(_defaultCurveName) _ecCurve.addECKeyToContext(context) - except: + except Exception: logger.exception("Failed to enable elliptic curve for TLS") context.set_options(SSL.OP_NO_SSLv2 | SSL.OP_NO_SSLv3) context.use_certificate_chain_file(config.tls_certificate_file) diff --git a/synapse/crypto/event_signing.py b/synapse/crypto/event_signing.py index ec7711ba7d..0d0e7b5286 100644 --- a/synapse/crypto/event_signing.py +++ b/synapse/crypto/event_signing.py @@ -43,7 +43,7 @@ def check_event_content_hash(event, hash_algorithm=hashlib.sha256): message_hash_base64 = event.hashes[name] try: message_hash_bytes = decode_base64(message_hash_base64) - except: + except Exception: raise SynapseError( 400, "Invalid base64: %s" % (message_hash_base64,), diff --git a/synapse/crypto/keyring.py b/synapse/crypto/keyring.py index 054bac456d..35f810b07b 100644 --- a/synapse/crypto/keyring.py +++ b/synapse/crypto/keyring.py @@ -759,7 +759,7 @@ def _handle_key_deferred(verify_request): )) try: verify_signed_json(json_object, server_name, verify_key) - except: + except Exception: raise SynapseError( 401, "Invalid signature for server %s with key %s:%s" % ( diff --git a/synapse/event_auth.py b/synapse/event_auth.py index 9e746a28bf..061ee86b16 100644 --- a/synapse/event_auth.py +++ b/synapse/event_auth.py @@ -443,12 +443,12 @@ def _check_power_levels(event, auth_events): for k, v in user_list.items(): try: UserID.from_string(k) - except: + except Exception: raise SynapseError(400, "Not a valid user_id: %s" % (k,)) try: int(v) - except: + except Exception: raise SynapseError(400, "Not a valid power level: %s" % (v,)) key = (event.type, event.state_key, ) diff --git a/synapse/events/spamcheck.py b/synapse/events/spamcheck.py index dccc579eac..633e068eb8 100644 --- a/synapse/events/spamcheck.py +++ b/synapse/events/spamcheck.py @@ -22,7 +22,7 @@ class SpamChecker(object): config = None try: module, config = hs.config.spam_checker - except: + except Exception: pass if module is not None: diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py index 8e08321fe8..8f3c14c303 100644 --- a/synapse/federation/transport/server.py +++ b/synapse/federation/transport/server.py @@ -112,7 +112,7 @@ class Authenticator(object): key = strip_quotes(param_dict["key"]) sig = strip_quotes(param_dict["sig"]) return (origin, key, sig) - except: + except Exception: raise AuthenticationError( 400, "Malformed Authorization header", Codes.UNAUTHORIZED ) @@ -177,7 +177,7 @@ class BaseFederationServlet(object): if self.REQUIRE_AUTH: logger.exception("authenticate_request failed") raise - except: + except Exception: logger.exception("authenticate_request failed") raise @@ -270,7 +270,7 @@ class FederationSendServlet(BaseFederationServlet): code, response = yield self.handler.on_incoming_transaction( transaction_data ) - except: + except Exception: logger.exception("on_incoming_transaction failed") raise diff --git a/synapse/groups/groups_server.py b/synapse/groups/groups_server.py index fc4edb7f04..23beb3187e 100644 --- a/synapse/groups/groups_server.py +++ b/synapse/groups/groups_server.py @@ -13,14 +13,11 @@ # See the License for the specific language governing permissions and # limitations under the License. -from twisted.internet import defer +import logging from synapse.api.errors import SynapseError -from synapse.types import UserID, get_domain_from_id, RoomID, GroupID - - -import logging -import urllib +from synapse.types import GroupID, RoomID, UserID, get_domain_from_id +from twisted.internet import defer logger = logging.getLogger(__name__) @@ -698,9 +695,11 @@ class GroupsServerHandler(object): def create_group(self, group_id, user_id, content): group = yield self.check_group_is_ours(group_id) - _validate_group_id(group_id) - logger.info("Attempting to create group with ID: %r", group_id) + + # parsing the id into a GroupID validates it. + group_id_obj = GroupID.from_string(group_id) + if group: raise SynapseError(400, "Group already exists") @@ -710,7 +709,7 @@ class GroupsServerHandler(object): raise SynapseError( 403, "Only server admin can create group on this server", ) - localpart = GroupID.from_string(group_id).localpart + localpart = group_id_obj.localpart if not localpart.startswith(self.hs.config.group_creation_prefix): raise SynapseError( 400, @@ -786,18 +785,3 @@ def _parse_visibility_from_contents(content): is_public = True return is_public - - -def _validate_group_id(group_id): - """Validates the group ID is valid for creation on this home server - """ - localpart = GroupID.from_string(group_id).localpart - - if localpart.lower() != localpart: - raise SynapseError(400, "Group ID must be lower case") - - if urllib.quote(localpart.encode('utf-8')) != localpart: - raise SynapseError( - 400, - "Group ID can only contain characters a-z, 0-9, or '_-./'", - ) diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 7711cded01..8b1e606754 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -227,7 +227,7 @@ class FederationHandler(BaseHandler): state, auth_chain = yield self.replication_layer.get_state_for_room( origin, pdu.room_id, pdu.event_id, ) - except: + except Exception: logger.exception("Failed to get state for event: %s", pdu.event_id) yield self._process_received_pdu( @@ -461,7 +461,7 @@ class FederationHandler(BaseHandler): def check_match(id): try: return server_name == get_domain_from_id(id) - except: + except Exception: return False # Parses mapping `event_id -> (type, state_key) -> state event_id` @@ -499,7 +499,7 @@ class FederationHandler(BaseHandler): continue try: domain = get_domain_from_id(ev.state_key) - except: + except Exception: continue if domain != server_name: @@ -738,7 +738,7 @@ class FederationHandler(BaseHandler): joined_domains[dom] = min(d, old_d) else: joined_domains[dom] = d - except: + except Exception: pass return sorted(joined_domains.items(), key=lambda d: d[1]) @@ -940,7 +940,7 @@ class FederationHandler(BaseHandler): room_creator_user_id="", is_public=False ) - except: + except Exception: # FIXME pass @@ -1775,7 +1775,7 @@ class FederationHandler(BaseHandler): [e_id for e_id, _ in event.auth_events] ) seen_events = set(have_events.keys()) - except: + except Exception: # FIXME: logger.exception("Failed to get auth chain") @@ -1899,7 +1899,7 @@ class FederationHandler(BaseHandler): except AuthError: pass - except: + except Exception: # FIXME: logger.exception("Failed to query auth chain") @@ -1966,7 +1966,7 @@ class FederationHandler(BaseHandler): def get_next(it, opt=None): try: return it.next() - except: + except Exception: return opt current_local = get_next(local_iter) diff --git a/synapse/handlers/initial_sync.py b/synapse/handlers/initial_sync.py index 10f5f35a69..9718d4abc5 100644 --- a/synapse/handlers/initial_sync.py +++ b/synapse/handlers/initial_sync.py @@ -214,7 +214,7 @@ class InitialSyncHandler(BaseHandler): }) d["account_data"] = account_data_events - except: + except Exception: logger.exception("Failed to get snapshot") yield concurrently_execute(handle_room, room_list, 10) diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 28792788d9..21f1717dd2 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -563,7 +563,7 @@ class MessageHandler(BaseHandler): try: dump = ujson.dumps(unfreeze(event.content)) ujson.loads(dump) - except: + except Exception: logger.exception("Failed to encode content: %r", event.content) raise diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py index c7c0b0a1e2..fa96ea69cd 100644 --- a/synapse/handlers/presence.py +++ b/synapse/handlers/presence.py @@ -364,7 +364,7 @@ class PresenceHandler(object): ) preserve_fn(self._update_states)(changes) - except: + except Exception: logger.exception("Exception in _handle_timeouts loop") @defer.inlineCallbacks diff --git a/synapse/handlers/profile.py b/synapse/handlers/profile.py index e56e0a52bf..62b9bd503e 100644 --- a/synapse/handlers/profile.py +++ b/synapse/handlers/profile.py @@ -118,7 +118,7 @@ class ProfileHandler(BaseHandler): logger.exception("Failed to get displayname") raise - except: + except Exception: logger.exception("Failed to get displayname") else: defer.returnValue(result["displayname"]) @@ -165,7 +165,7 @@ class ProfileHandler(BaseHandler): if e.code != 404: logger.exception("Failed to get avatar_url") raise - except: + except Exception: logger.exception("Failed to get avatar_url") defer.returnValue(result["avatar_url"]) @@ -266,7 +266,7 @@ class ProfileHandler(BaseHandler): }, ignore_backoff=True, ) - except: + except Exception: logger.exception("Failed to get avatar_url") yield self.store.update_remote_profile_cache( diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py index 560fb36254..49dc33c147 100644 --- a/synapse/handlers/register.py +++ b/synapse/handlers/register.py @@ -15,7 +15,6 @@ """Contains functions for registering clients.""" import logging -import urllib from twisted.internet import defer @@ -23,6 +22,7 @@ from synapse.api.errors import ( AuthError, Codes, SynapseError, RegistrationError, InvalidCaptchaError ) from synapse.http.client import CaptchaServerHttpClient +from synapse import types from synapse.types import UserID from synapse.util.async import run_on_reactor from ._base import BaseHandler @@ -46,12 +46,10 @@ class RegistrationHandler(BaseHandler): @defer.inlineCallbacks def check_username(self, localpart, guest_access_token=None, assigned_user_id=None): - yield run_on_reactor() - - if urllib.quote(localpart.encode('utf-8')) != localpart: + if types.contains_invalid_mxid_characters(localpart): raise SynapseError( 400, - "User ID can only contain characters a-z, 0-9, or '_-./'", + "User ID can only contain characters a-z, 0-9, or '=_-./'", Codes.INVALID_USERNAME ) @@ -81,7 +79,7 @@ class RegistrationHandler(BaseHandler): "A different user ID has already been registered for this session", ) - yield self.check_user_id_not_appservice_exclusive(user_id) + self.check_user_id_not_appservice_exclusive(user_id) users = yield self.store.get_users_by_id_case_insensitive(user_id) if users: @@ -254,11 +252,10 @@ class RegistrationHandler(BaseHandler): """ Registers email_id as SAML2 Based Auth. """ - if urllib.quote(localpart) != localpart: + if types.contains_invalid_mxid_characters(localpart): raise SynapseError( 400, - "User ID must only contain characters which do not" - " require URL encoding." + "User ID can only contain characters a-z, 0-9, or '=_-./'", ) user = UserID(localpart, self.hs.hostname) user_id = user.to_string() @@ -292,7 +289,7 @@ class RegistrationHandler(BaseHandler): try: identity_handler = self.hs.get_handlers().identity_handler threepid = yield identity_handler.threepid_from_creds(c) - except: + except Exception: logger.exception("Couldn't validate 3pid") raise RegistrationError(400, "Couldn't validate 3pid") diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index e945bd35bc..496f1fc39b 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -108,7 +108,7 @@ class RoomCreationHandler(BaseHandler): for i in invite_list: try: UserID.from_string(i) - except: + except Exception: raise SynapseError(400, "Invalid user_id: %s" % (i,)) invite_3pid_list = config.get("invite_3pid", []) diff --git a/synapse/handlers/search.py b/synapse/handlers/search.py index df75d70fac..9772ed1a0e 100644 --- a/synapse/handlers/search.py +++ b/synapse/handlers/search.py @@ -61,7 +61,7 @@ class SearchHandler(BaseHandler): assert batch_group is not None assert batch_group_key is not None assert batch_token is not None - except: + except Exception: raise SynapseError(400, "Invalid batch") try: diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py index 8c8b7fa656..833496b72d 100644 --- a/synapse/http/matrixfederationclient.py +++ b/synapse/http/matrixfederationclient.py @@ -550,7 +550,7 @@ class MatrixFederationHttpClient(object): length = yield _readBodyToFile( response, output_stream, max_size ) - except: + except Exception: logger.exception("Failed to download body") raise diff --git a/synapse/http/server.py b/synapse/http/server.py index 8a27e3b422..3ca1c9947c 100644 --- a/synapse/http/server.py +++ b/synapse/http/server.py @@ -130,7 +130,7 @@ def wrap_request_handler(request_handler, include_metrics=False): pretty_print=_request_user_agent_is_curl(request), version_string=self.version_string, ) - except: + except Exception: logger.exception( "Failed handle request %s.%s on %r: %r", request_handler.__module__, diff --git a/synapse/http/servlet.py b/synapse/http/servlet.py index 9a4c36ad5d..8118ee7cc2 100644 --- a/synapse/http/servlet.py +++ b/synapse/http/servlet.py @@ -48,7 +48,7 @@ def parse_integer_from_args(args, name, default=None, required=False): if name in args: try: return int(args[name][0]) - except: + except Exception: message = "Query parameter %r must be an integer" % (name,) raise SynapseError(400, message) else: @@ -88,7 +88,7 @@ def parse_boolean_from_args(args, name, default=None, required=False): "true": True, "false": False, }[args[name][0]] - except: + except Exception: message = ( "Boolean query parameter %r must be one of" " ['true', 'false']" @@ -162,7 +162,7 @@ def parse_json_value_from_request(request): """ try: content_bytes = request.content.read() - except: + except Exception: raise SynapseError(400, "Error reading JSON content.") try: diff --git a/synapse/http/site.py b/synapse/http/site.py index 4b09d7ee66..cd1492b1c3 100644 --- a/synapse/http/site.py +++ b/synapse/http/site.py @@ -67,7 +67,7 @@ class SynapseRequest(Request): ru_utime, ru_stime = context.get_resource_usage() db_txn_count = context.db_txn_count db_txn_duration = context.db_txn_duration - except: + except Exception: ru_utime, ru_stime = (0, 0) db_txn_count, db_txn_duration = (0, 0) diff --git a/synapse/notifier.py b/synapse/notifier.py index 385208b574..626da778cd 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -289,7 +289,7 @@ class Notifier(object): for user_stream in user_streams: try: user_stream.notify(stream_key, new_token, time_now_ms) - except: + except Exception: logger.exception("Failed to notify listener") self.notify_replication() diff --git a/synapse/push/emailpusher.py b/synapse/push/emailpusher.py index a69dda7b09..58df98a793 100644 --- a/synapse/push/emailpusher.py +++ b/synapse/push/emailpusher.py @@ -121,7 +121,7 @@ class EmailPusher(object): starting_max_ordering = self.max_stream_ordering try: yield self._unsafe_process() - except: + except Exception: logger.exception("Exception processing notifs") if self.max_stream_ordering == starting_max_ordering: break diff --git a/synapse/push/httppusher.py b/synapse/push/httppusher.py index 62c41cd9db..74c0bc462c 100644 --- a/synapse/push/httppusher.py +++ b/synapse/push/httppusher.py @@ -131,7 +131,7 @@ class HttpPusher(object): starting_max_ordering = self.max_stream_ordering try: yield self._unsafe_process() - except: + except Exception: logger.exception("Exception processing notifs") if self.max_stream_ordering == starting_max_ordering: break @@ -314,7 +314,7 @@ class HttpPusher(object): defer.returnValue([]) try: resp = yield self.http_client.post_json_get_json(self.url, notification_dict) - except: + except Exception: logger.warn("Failed to push %s ", self.url) defer.returnValue(False) rejected = [] @@ -345,7 +345,7 @@ class HttpPusher(object): } try: resp = yield self.http_client.post_json_get_json(self.url, d) - except: + except Exception: logger.exception("Failed to push %s ", self.url) defer.returnValue(False) rejected = [] diff --git a/synapse/push/pusher.py b/synapse/push/pusher.py index 491f27bded..71576330a9 100644 --- a/synapse/push/pusher.py +++ b/synapse/push/pusher.py @@ -27,7 +27,7 @@ logger = logging.getLogger(__name__) try: from synapse.push.emailpusher import EmailPusher from synapse.push.mailer import Mailer, load_jinja2_templates -except: +except Exception: pass diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py index 43cb6e9c01..7c069b662e 100644 --- a/synapse/push/pusherpool.py +++ b/synapse/push/pusherpool.py @@ -137,7 +137,7 @@ class PusherPool: ) yield preserve_context_over_deferred(defer.gatherResults(deferreds)) - except: + except Exception: logger.exception("Exception in pusher on_new_notifications") @defer.inlineCallbacks @@ -162,7 +162,7 @@ class PusherPool: ) yield preserve_context_over_deferred(defer.gatherResults(deferreds)) - except: + except Exception: logger.exception("Exception in pusher on_new_receipts") @defer.inlineCallbacks @@ -188,7 +188,7 @@ class PusherPool: for pusherdict in pushers: try: p = self.pusher_factory.create_pusher(pusherdict) - except: + except Exception: logger.exception("Couldn't start a pusher: caught Exception") continue if p: diff --git a/synapse/replication/tcp/resource.py b/synapse/replication/tcp/resource.py index 6c1beca4e3..1d03e79b85 100644 --- a/synapse/replication/tcp/resource.py +++ b/synapse/replication/tcp/resource.py @@ -162,7 +162,7 @@ class ReplicationStreamer(object): ) try: updates, current_token = yield stream.get_updates() - except: + except Exception: logger.info("Failed to handle stream %s", stream.NAME) raise diff --git a/synapse/rest/client/v1/directory.py b/synapse/rest/client/v1/directory.py index f15aa5c13f..1c3933380f 100644 --- a/synapse/rest/client/v1/directory.py +++ b/synapse/rest/client/v1/directory.py @@ -93,7 +93,7 @@ class ClientDirectoryServer(ClientV1RestServlet): ) except SynapseError as e: raise e - except: + except Exception: logger.exception("Failed to create association") raise except AuthError: diff --git a/synapse/rest/client/v1/presence.py b/synapse/rest/client/v1/presence.py index 47b2dc45e7..4a73813c58 100644 --- a/synapse/rest/client/v1/presence.py +++ b/synapse/rest/client/v1/presence.py @@ -78,7 +78,7 @@ class PresenceStatusRestServlet(ClientV1RestServlet): raise KeyError() except SynapseError as e: raise e - except: + except Exception: raise SynapseError(400, "Unable to parse state") yield self.presence_handler.set_state(user, state) diff --git a/synapse/rest/client/v1/profile.py b/synapse/rest/client/v1/profile.py index d7edc34245..e4e3611a14 100644 --- a/synapse/rest/client/v1/profile.py +++ b/synapse/rest/client/v1/profile.py @@ -52,7 +52,7 @@ class ProfileDisplaynameRestServlet(ClientV1RestServlet): try: new_name = content["displayname"] - except: + except Exception: defer.returnValue((400, "Unable to parse name")) yield self.profile_handler.set_displayname( @@ -94,7 +94,7 @@ class ProfileAvatarURLRestServlet(ClientV1RestServlet): content = parse_json_object_from_request(request) try: new_name = content["avatar_url"] - except: + except Exception: defer.returnValue((400, "Unable to parse name")) yield self.profile_handler.set_avatar_url( diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index 6c379d53ac..75b735b47d 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -238,7 +238,7 @@ class JoinRoomAliasServlet(ClientV1RestServlet): try: content = parse_json_object_from_request(request) - except: + except Exception: # Turns out we used to ignore the body entirely, and some clients # cheekily send invalid bodies. content = {} @@ -247,7 +247,7 @@ class JoinRoomAliasServlet(ClientV1RestServlet): room_id = room_identifier try: remote_room_hosts = request.args["server_name"] - except: + except Exception: remote_room_hosts = None elif RoomAlias.is_valid(room_identifier): handler = self.handlers.room_member_handler @@ -587,7 +587,7 @@ class RoomMembershipRestServlet(ClientV1RestServlet): try: content = parse_json_object_from_request(request) - except: + except Exception: # Turns out we used to ignore the body entirely, and some clients # cheekily send invalid bodies. content = {} diff --git a/synapse/rest/client/v2_alpha/filter.py b/synapse/rest/client/v2_alpha/filter.py index d2b2fd66e6..1b9dc4528d 100644 --- a/synapse/rest/client/v2_alpha/filter.py +++ b/synapse/rest/client/v2_alpha/filter.py @@ -50,7 +50,7 @@ class GetFilterRestServlet(RestServlet): try: filter_id = int(filter_id) - except: + except Exception: raise SynapseError(400, "Invalid filter_id") try: diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py index a1e0e53b33..a0a8e4b8e4 100644 --- a/synapse/rest/client/v2_alpha/sync.py +++ b/synapse/rest/client/v2_alpha/sync.py @@ -125,7 +125,7 @@ class SyncRestServlet(RestServlet): filter_object = json.loads(filter_id) set_timeline_upper_limit(filter_object, self.hs.config.filter_timeline_limit) - except: + except Exception: raise SynapseError(400, "Invalid filter JSON") self.filtering.check_valid_filter(filter_object) filter = FilterCollection(filter_object) diff --git a/synapse/rest/client/v2_alpha/user_directory.py b/synapse/rest/client/v2_alpha/user_directory.py index 6e012da4aa..2d4a43c353 100644 --- a/synapse/rest/client/v2_alpha/user_directory.py +++ b/synapse/rest/client/v2_alpha/user_directory.py @@ -65,7 +65,7 @@ class UserDirectorySearchRestServlet(RestServlet): try: search_term = body["search_term"] - except: + except Exception: raise SynapseError(400, "`search_term` is required field") results = yield self.user_directory_handler.search_users( diff --git a/synapse/rest/key/v2/remote_key_resource.py b/synapse/rest/key/v2/remote_key_resource.py index 9fe2013657..cc2842aa72 100644 --- a/synapse/rest/key/v2/remote_key_resource.py +++ b/synapse/rest/key/v2/remote_key_resource.py @@ -213,7 +213,7 @@ class RemoteKey(Resource): ) except KeyLookupError as e: logger.info("Failed to fetch key: %s", e) - except: + except Exception: logger.exception("Failed to get key for %r", server_name) yield self.query_keys( request, query, query_remote_on_cache_miss=False diff --git a/synapse/rest/media/v1/_base.py b/synapse/rest/media/v1/_base.py index b9600f2167..95fa95fce3 100644 --- a/synapse/rest/media/v1/_base.py +++ b/synapse/rest/media/v1/_base.py @@ -17,6 +17,7 @@ from synapse.http.server import respond_with_json, finish_request from synapse.api.errors import ( cs_error, Codes, SynapseError ) +from synapse.util import logcontext from twisted.internet import defer from twisted.protocols.basic import FileSender @@ -44,7 +45,7 @@ def parse_media_id(request): except UnicodeDecodeError: pass return server_name, media_id, file_name - except: + except Exception: raise SynapseError( 404, "Invalid media id token %r" % (request.postpath,), @@ -103,7 +104,9 @@ def respond_with_file(request, media_type, file_path, ) with open(file_path, "rb") as f: - yield FileSender().beginFileTransfer(f, request) + yield logcontext.make_deferred_yieldable( + FileSender().beginFileTransfer(f, request) + ) finish_request(request) else: diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index 6b50b45b1f..eed9056a2f 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -310,7 +310,7 @@ class MediaRepository(object): media_length=length, filesystem_id=file_id, ) - except: + except Exception: os.remove(fname) raise diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index 2a3e37fdf4..80114fca0d 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -367,7 +367,7 @@ class PreviewUrlResource(Resource): dirs = self.filepaths.url_cache_filepath_dirs_to_delete(media_id) for dir in dirs: os.rmdir(dir) - except: + except Exception: pass yield self.store.delete_url_cache(removed_media) @@ -397,7 +397,7 @@ class PreviewUrlResource(Resource): dirs = self.filepaths.url_cache_filepath_dirs_to_delete(media_id) for dir in dirs: os.rmdir(dir) - except: + except Exception: pass thumbnail_dir = self.filepaths.url_cache_thumbnail_directory(media_id) @@ -415,7 +415,7 @@ class PreviewUrlResource(Resource): dirs = self.filepaths.url_cache_thumbnail_dirs_to_delete(media_id) for dir in dirs: os.rmdir(dir) - except: + except Exception: pass yield self.store.delete_url_cache_media(removed_media) diff --git a/synapse/state.py b/synapse/state.py index dcdcdef65e..9e624b4937 100644 --- a/synapse/state.py +++ b/synapse/state.py @@ -560,7 +560,7 @@ def _resolve_with_state(unconflicted_state_ids, conflicted_state_ds, auth_event_ resolved_state = _resolve_state_events( conflicted_state, auth_events ) - except: + except Exception: logger.exception("Failed to resolve state") raise diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index 5124a833a5..6caf7b3356 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -103,7 +103,7 @@ class LoggingTransaction(object): "[SQL values] {%s} %r", self.name, args[0] ) - except: + except Exception: # Don't let logging failures stop SQL from working pass diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py index 7157fb1dfb..a6e6f52a6a 100644 --- a/synapse/storage/background_updates.py +++ b/synapse/storage/background_updates.py @@ -98,7 +98,7 @@ class BackgroundUpdateStore(SQLBaseStore): result = yield self.do_next_background_update( self.BACKGROUND_UPDATE_DURATION_MS ) - except: + except Exception: logger.exception("Error doing update") else: if result is None: diff --git a/synapse/storage/events.py b/synapse/storage/events.py index 637640ec2a..4298d8baf1 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -1481,7 +1481,7 @@ class EventsStore(SQLBaseStore): for i in ids if i in res ]) - except: + except Exception: logger.exception("Failed to callback") with PreserveLoggingContext(): reactor.callFromThread(fire, event_list, row_dict) diff --git a/synapse/storage/prepare_database.py b/synapse/storage/prepare_database.py index ccaaabcfa0..817c2185c8 100644 --- a/synapse/storage/prepare_database.py +++ b/synapse/storage/prepare_database.py @@ -66,7 +66,7 @@ def prepare_database(db_conn, database_engine, config): cur.close() db_conn.commit() - except: + except Exception: db_conn.rollback() raise diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py index a0fc9a6867..3fa8019eb7 100644 --- a/synapse/storage/roommember.py +++ b/synapse/storage/roommember.py @@ -636,7 +636,7 @@ class RoomMemberStore(SQLBaseStore): room_id = row["room_id"] try: content = json.loads(row["content"]) - except: + except Exception: continue display_name = content.get("displayname", None) diff --git a/synapse/storage/schema/delta/30/as_users.py b/synapse/storage/schema/delta/30/as_users.py index 5b7d8d1ab5..c53e53c94f 100644 --- a/synapse/storage/schema/delta/30/as_users.py +++ b/synapse/storage/schema/delta/30/as_users.py @@ -22,7 +22,7 @@ def run_create(cur, database_engine, *args, **kwargs): # NULL indicates user was not registered by an appservice. try: cur.execute("ALTER TABLE users ADD COLUMN appservice_id TEXT") - except: + except Exception: # Maybe we already added the column? Hope so... pass diff --git a/synapse/storage/search.py b/synapse/storage/search.py index 8f2b3c4435..05d4ef586e 100644 --- a/synapse/storage/search.py +++ b/synapse/storage/search.py @@ -81,7 +81,7 @@ class SearchStore(BackgroundUpdateStore): etype = row["type"] try: content = json.loads(row["content"]) - except: + except Exception: continue if etype == "m.room.message": @@ -407,7 +407,7 @@ class SearchStore(BackgroundUpdateStore): origin_server_ts, stream = pagination_token.split(",") origin_server_ts = int(origin_server_ts) stream = int(stream) - except: + except Exception: raise SynapseError(400, "Invalid pagination token") clauses.append( diff --git a/synapse/streams/config.py b/synapse/streams/config.py index 4f089bfb94..ca78e551cb 100644 --- a/synapse/streams/config.py +++ b/synapse/streams/config.py @@ -80,13 +80,13 @@ class PaginationConfig(object): from_tok = None # For backwards compat. elif from_tok: from_tok = StreamToken.from_string(from_tok) - except: + except Exception: raise SynapseError(400, "'from' paramater is invalid") try: if to_tok: to_tok = StreamToken.from_string(to_tok) - except: + except Exception: raise SynapseError(400, "'to' paramater is invalid") limit = get_param("limit", None) @@ -98,7 +98,7 @@ class PaginationConfig(object): try: return PaginationConfig(from_tok, to_tok, direction, limit) - except: + except Exception: logger.exception("Failed to create pagination config") raise SynapseError(400, "Invalid request.") diff --git a/synapse/types.py b/synapse/types.py index 1aa426fcbb..6e76c016d9 100644 --- a/synapse/types.py +++ b/synapse/types.py @@ -12,6 +12,7 @@ # 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 string from synapse.api.errors import SynapseError @@ -126,7 +127,7 @@ class DomainSpecificString( try: cls.from_string(s) return True - except: + except Exception: return False __str__ = to_string @@ -156,6 +157,38 @@ class GroupID(DomainSpecificString): """Structure representing a group ID.""" SIGIL = "+" + @classmethod + def from_string(cls, s): + group_id = super(GroupID, cls).from_string(s) + if not group_id.localpart: + raise SynapseError( + 400, + "Group ID cannot be empty", + ) + + if contains_invalid_mxid_characters(group_id.localpart): + raise SynapseError( + 400, + "Group ID can only contain characters a-z, 0-9, or '=_-./'", + ) + + return group_id + + +mxid_localpart_allowed_characters = set("_-./=" + string.ascii_lowercase + string.digits) + + +def contains_invalid_mxid_characters(localpart): + """Check for characters not allowed in an mxid or groupid localpart + + Args: + localpart (basestring): the localpart to be checked + + Returns: + bool: True if there are any naughty characters + """ + return any(c not in mxid_localpart_allowed_characters for c in localpart) + class StreamToken( namedtuple("Token", ( @@ -180,7 +213,7 @@ class StreamToken( # i.e. old token from before receipt_key keys.append("0") return cls(*keys) - except: + except Exception: raise SynapseError(400, "Invalid Token") def to_string(self): @@ -266,7 +299,7 @@ class RoomStreamToken(namedtuple("_StreamToken", "topological stream")): if string[0] == 't': parts = string[1:].split('-', 1) return cls(topological=int(parts[0]), stream=int(parts[1])) - except: + except Exception: pass raise SynapseError(400, "Invalid token %r" % (string,)) @@ -275,7 +308,7 @@ class RoomStreamToken(namedtuple("_StreamToken", "topological stream")): try: if string[0] == 's': return cls(topological=None, stream=int(string[1:])) - except: + except Exception: pass raise SynapseError(400, "Invalid token %r" % (string,)) diff --git a/synapse/util/__init__.py b/synapse/util/__init__.py index 2a2360ab5d..756d8ffa32 100644 --- a/synapse/util/__init__.py +++ b/synapse/util/__init__.py @@ -59,9 +59,9 @@ class Clock(object): f(function): The function to call repeatedly. msec(float): How long to wait between calls in milliseconds. """ - l = task.LoopingCall(f) - l.start(msec / 1000.0, now=False) - return l + call = task.LoopingCall(f) + call.start(msec / 1000.0, now=False) + return call def call_later(self, delay, callback, *args, **kwargs): """Call something later @@ -82,7 +82,7 @@ class Clock(object): def cancel_call_later(self, timer, ignore_errs=False): try: timer.cancel() - except: + except Exception: if not ignore_errs: raise @@ -97,12 +97,12 @@ class Clock(object): try: ret_deferred.errback(e) - except: + except Exception: pass try: given_deferred.cancel() - except: + except Exception: pass timer = None @@ -110,7 +110,7 @@ class Clock(object): def cancel(res): try: self.cancel_call_later(timer) - except: + except Exception: pass return res @@ -119,7 +119,7 @@ class Clock(object): def success(res): try: ret_deferred.callback(res) - except: + except Exception: pass return res @@ -127,7 +127,7 @@ class Clock(object): def err(res): try: ret_deferred.errback(res) - except: + except Exception: pass given_deferred.addCallbacks(callback=success, errback=err) diff --git a/synapse/util/async.py b/synapse/util/async.py index a0a9039475..1a884e96ee 100644 --- a/synapse/util/async.py +++ b/synapse/util/async.py @@ -73,7 +73,7 @@ class ObservableDeferred(object): try: # TODO: Handle errors here. self._observers.pop().callback(r) - except: + except Exception: pass return r @@ -83,7 +83,7 @@ class ObservableDeferred(object): try: # TODO: Handle errors here. self._observers.pop().errback(f) - except: + except Exception: pass if consumeErrors: @@ -205,7 +205,7 @@ class Linearizer(object): try: with PreserveLoggingContext(): yield current_defer - except: + except Exception: logger.exception("Unexpected exception in Linearizer") logger.info("Acquired linearizer lock %r for key %r", self.name, diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py index 990216145e..9683cc7265 100644 --- a/synapse/util/logcontext.py +++ b/synapse/util/logcontext.py @@ -42,7 +42,7 @@ try: def get_thread_resource_usage(): return resource.getrusage(RUSAGE_THREAD) -except: +except Exception: # If the system doesn't support resource.getrusage(RUSAGE_THREAD) then we # won't track resource usage by returning None. def get_thread_resource_usage(): diff --git a/synapse/util/retryutils.py b/synapse/util/retryutils.py index 4fa9d1a03c..1adedbb361 100644 --- a/synapse/util/retryutils.py +++ b/synapse/util/retryutils.py @@ -189,7 +189,7 @@ class RetryDestinationLimiter(object): yield self.store.set_destination_retry_timings( self.destination, retry_last_ts, self.retry_interval ) - except: + except Exception: logger.exception( "Failed to store set_destination_retry_timings", ) diff --git a/synapse/util/wheel_timer.py b/synapse/util/wheel_timer.py index 7412fc57a4..b70f9a6b0a 100644 --- a/synapse/util/wheel_timer.py +++ b/synapse/util/wheel_timer.py @@ -91,7 +91,4 @@ class WheelTimer(object): return ret def __len__(self): - l = 0 - for entry in self.entries: - l += len(entry.queue) - return l + return sum(len(entry.queue) for entry in self.entries) diff --git a/tests/storage/test_appservice.py b/tests/storage/test_appservice.py index 9e98d0e330..79f569e787 100644 --- a/tests/storage/test_appservice.py +++ b/tests/storage/test_appservice.py @@ -65,7 +65,7 @@ class ApplicationServiceStoreTestCase(unittest.TestCase): for f in self.as_yaml_files: try: os.remove(f) - except: + except Exception: pass def _add_appservice(self, as_token, id, url, hs_token, sender): diff --git a/tests/test_types.py b/tests/test_types.py index 24d61dbe54..115def2287 100644 --- a/tests/test_types.py +++ b/tests/test_types.py @@ -17,7 +17,7 @@ from tests import unittest from synapse.api.errors import SynapseError from synapse.server import HomeServer -from synapse.types import UserID, RoomAlias +from synapse.types import UserID, RoomAlias, GroupID mock_homeserver = HomeServer(hostname="my.domain") @@ -60,3 +60,25 @@ class RoomAliasTestCase(unittest.TestCase): room = RoomAlias("channel", "my.domain") self.assertEquals(room.to_string(), "#channel:my.domain") + + +class GroupIDTestCase(unittest.TestCase): + def test_parse(self): + group_id = GroupID.from_string("+group/=_-.123:my.domain") + self.assertEqual("group/=_-.123", group_id.localpart) + self.assertEqual("my.domain", group_id.domain) + + def test_validate(self): + bad_ids = [ + "$badsigil:domain", + "+:empty", + ] + [ + "+group" + c + ":domain" for c in "A%?æ£" + ] + for id_string in bad_ids: + try: + GroupID.from_string(id_string) + self.fail("Parsing '%s' should raise exception" % id_string) + except SynapseError as exc: + self.assertEqual(400, exc.code) + self.assertEqual("M_UNKNOWN", exc.errcode) diff --git a/tests/utils.py b/tests/utils.py index 3c81a3e16d..d2ebce4b2e 100644 --- a/tests/utils.py +++ b/tests/utils.py @@ -184,7 +184,7 @@ class MockHttpResource(HttpServer): mock_request.args = urlparse.parse_qs(path.split('?')[1]) mock_request.path = path.split('?')[0] path = mock_request.path - except: + except Exception: pass for (method, pattern, func) in self.callbacks: @@ -364,13 +364,13 @@ class MemoryDataStore(object): return { "name": self.tokens_to_users[token], } - except: + except Exception: raise StoreError(400, "User does not exist.") def get_room(self, room_id): try: return self.rooms[room_id] - except: + except Exception: return None def store_room(self, room_id, room_creator_user_id, is_public): @@ -499,7 +499,7 @@ class DeferredMockCallable(object): for _, _, d in self.expectations: try: d.errback(failure) - except: + except Exception: pass raise failure |