diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/auth.py | 48 | ||||
| -rw-r--r-- | synapse/handlers/events.py | 25 | ||||
| -rw-r--r-- | synapse/handlers/federation.py | 232 | ||||
| -rw-r--r-- | synapse/handlers/identity.py | 25 | ||||
| -rw-r--r-- | synapse/handlers/register.py | 21 |
5 files changed, 210 insertions, 141 deletions
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index 402e44cdef..184eef09d0 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -15,6 +15,7 @@ # limitations under the License. import logging +import unicodedata import attr import bcrypt @@ -519,6 +520,7 @@ class AuthHandler(BaseHandler): """ logger.info("Logging in user %s on device %s", user_id, device_id) access_token = yield self.issue_access_token(user_id, device_id) + yield self._check_mau_limits() # the device *should* have been registered before we got here; however, # it's possible we raced against a DELETE operation. The thing we @@ -626,6 +628,7 @@ class AuthHandler(BaseHandler): # special case to check for "password" for the check_password interface # for the auth providers password = login_submission.get("password") + if login_type == LoginType.PASSWORD: if not self._password_enabled: raise SynapseError(400, "Password login has been disabled.") @@ -707,9 +710,10 @@ class AuthHandler(BaseHandler): multiple inexact matches. Args: - user_id (str): complete @user:id + user_id (unicode): complete @user:id + password (unicode): the provided password Returns: - (str) the canonical_user_id, or None if unknown user / bad password + (unicode) the canonical_user_id, or None if unknown user / bad password """ lookupres = yield self._find_user_id_and_pwd_hash(user_id) if not lookupres: @@ -728,15 +732,18 @@ class AuthHandler(BaseHandler): device_id) defer.returnValue(access_token) + @defer.inlineCallbacks def validate_short_term_login_token_and_get_user_id(self, login_token): + yield self._check_mau_limits() auth_api = self.hs.get_auth() + user_id = None try: macaroon = pymacaroons.Macaroon.deserialize(login_token) user_id = auth_api.get_user_id_from_macaroon(macaroon) auth_api.validate_macaroon(macaroon, "login", True, user_id) - return user_id except Exception: raise AuthError(403, "Invalid token", errcode=Codes.FORBIDDEN) + defer.returnValue(user_id) @defer.inlineCallbacks def delete_access_token(self, access_token): @@ -849,14 +856,19 @@ class AuthHandler(BaseHandler): """Computes a secure hash of password. Args: - password (str): Password to hash. + password (unicode): Password to hash. Returns: - Deferred(str): Hashed password. + Deferred(unicode): Hashed password. """ def _do_hash(): - return bcrypt.hashpw(password.encode('utf8') + self.hs.config.password_pepper, - bcrypt.gensalt(self.bcrypt_rounds)) + # Normalise the Unicode in the password + pw = unicodedata.normalize("NFKC", password) + + return bcrypt.hashpw( + pw.encode('utf8') + self.hs.config.password_pepper.encode("utf8"), + bcrypt.gensalt(self.bcrypt_rounds), + ).decode('ascii') return make_deferred_yieldable( threads.deferToThreadPool( @@ -868,16 +880,19 @@ class AuthHandler(BaseHandler): """Validates that self.hash(password) == stored_hash. Args: - password (str): Password to hash. - stored_hash (str): Expected hash value. + password (unicode): Password to hash. + stored_hash (unicode): Expected hash value. Returns: Deferred(bool): Whether self.hash(password) == stored_hash. """ def _do_validate_hash(): + # Normalise the Unicode in the password + pw = unicodedata.normalize("NFKC", password) + return bcrypt.checkpw( - password.encode('utf8') + self.hs.config.password_pepper, + pw.encode('utf8') + self.hs.config.password_pepper.encode("utf8"), stored_hash.encode('utf8') ) @@ -892,6 +907,19 @@ class AuthHandler(BaseHandler): else: return defer.succeed(False) + @defer.inlineCallbacks + def _check_mau_limits(self): + """ + Ensure that if mau blocking is enabled that invalid users cannot + log in. + """ + if self.hs.config.limit_usage_by_mau is True: + current_mau = yield self.store.count_monthly_users() + if current_mau >= self.hs.config.max_mau_value: + raise AuthError( + 403, "MAU Limit Exceeded", errcode=Codes.MAU_LIMIT_EXCEEDED + ) + @attr.s class MacaroonGenerator(object): diff --git a/synapse/handlers/events.py b/synapse/handlers/events.py index c3f2d7feff..f772e62c28 100644 --- a/synapse/handlers/events.py +++ b/synapse/handlers/events.py @@ -19,10 +19,12 @@ import random from twisted.internet import defer from synapse.api.constants import EventTypes, Membership +from synapse.api.errors import AuthError from synapse.events import EventBase from synapse.events.utils import serialize_event from synapse.types import UserID from synapse.util.logutils import log_function +from synapse.visibility import filter_events_for_client from ._base import BaseHandler @@ -129,11 +131,13 @@ class EventStreamHandler(BaseHandler): class EventHandler(BaseHandler): @defer.inlineCallbacks - def get_event(self, user, event_id): + def get_event(self, user, room_id, event_id): """Retrieve a single specified event. Args: user (synapse.types.UserID): The user requesting the event + room_id (str|None): The expected room id. We'll return None if the + event's room does not match. event_id (str): The event ID to obtain. Returns: dict: An event, or None if there is no event matching this ID. @@ -142,13 +146,26 @@ class EventHandler(BaseHandler): AuthError if the user does not have the rights to inspect this event. """ - event = yield self.store.get_event(event_id) + event = yield self.store.get_event(event_id, check_room_id=room_id) if not event: defer.returnValue(None) return - if hasattr(event, "room_id"): - yield self.auth.check_joined_room(event.room_id, user.to_string()) + users = yield self.store.get_users_in_room(event.room_id) + is_peeking = user.to_string() not in users + + filtered = yield filter_events_for_client( + self.store, + user.to_string(), + [event], + is_peeking=is_peeking + ) + + if not filtered: + raise AuthError( + 403, + "You don't have permission to access that event." + ) defer.returnValue(event) diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 49068c06d9..533b82c783 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -76,7 +76,7 @@ class FederationHandler(BaseHandler): self.hs = hs self.store = hs.get_datastore() - self.replication_layer = hs.get_federation_client() + self.federation_client = hs.get_federation_client() self.state_handler = hs.get_state_handler() self.server_name = hs.hostname self.keyring = hs.get_keyring() @@ -255,7 +255,7 @@ class FederationHandler(BaseHandler): # know about for p in prevs - seen: state, got_auth_chain = ( - yield self.replication_layer.get_state_for_room( + yield self.federation_client.get_state_for_room( origin, pdu.room_id, p ) ) @@ -338,7 +338,7 @@ class FederationHandler(BaseHandler): # # see https://github.com/matrix-org/synapse/pull/1744 - missing_events = yield self.replication_layer.get_missing_events( + missing_events = yield self.federation_client.get_missing_events( origin, pdu.room_id, earliest_events_ids=list(latest), @@ -400,7 +400,7 @@ class FederationHandler(BaseHandler): ) try: - event_stream_id, max_stream_id = yield self._persist_auth_tree( + yield self._persist_auth_tree( origin, auth_chain, state, event ) except AuthError as e: @@ -444,7 +444,7 @@ class FederationHandler(BaseHandler): yield self._handle_new_events(origin, event_infos) try: - context, event_stream_id, max_stream_id = yield self._handle_new_event( + context = yield self._handle_new_event( origin, event, state=state, @@ -469,17 +469,6 @@ class FederationHandler(BaseHandler): except StoreError: logger.exception("Failed to store room.") - extra_users = [] - if event.type == EventTypes.Member: - target_user_id = event.state_key - target_user = UserID.from_string(target_user_id) - extra_users.append(target_user) - - self.notifier.on_new_room_event( - event, event_stream_id, max_stream_id, - extra_users=extra_users - ) - if event.type == EventTypes.Member: if event.membership == Membership.JOIN: # Only fire user_joined_room if the user has acutally @@ -501,7 +490,7 @@ class FederationHandler(BaseHandler): if newly_joined: user = UserID.from_string(event.state_key) - yield user_joined_room(self.distributor, user, event.room_id) + yield self.user_joined_room(user, event.room_id) @log_function @defer.inlineCallbacks @@ -522,7 +511,7 @@ class FederationHandler(BaseHandler): if dest == self.server_name: raise SynapseError(400, "Can't backfill from self.") - events = yield self.replication_layer.backfill( + events = yield self.federation_client.backfill( dest, room_id, limit=limit, @@ -570,7 +559,7 @@ class FederationHandler(BaseHandler): state_events = {} events_to_state = {} for e_id in edges: - state, auth = yield self.replication_layer.get_state_for_room( + state, auth = yield self.federation_client.get_state_for_room( destination=dest, room_id=room_id, event_id=e_id @@ -612,7 +601,7 @@ class FederationHandler(BaseHandler): results = yield logcontext.make_deferred_yieldable(defer.gatherResults( [ logcontext.run_in_background( - self.replication_layer.get_pdu, + self.federation_client.get_pdu, [dest], event_id, outlier=True, @@ -893,7 +882,7 @@ class FederationHandler(BaseHandler): Invites must be signed by the invitee's server before distribution. """ - pdu = yield self.replication_layer.send_invite( + pdu = yield self.federation_client.send_invite( destination=target_host, room_id=event.room_id, event_id=event.event_id, @@ -942,7 +931,7 @@ class FederationHandler(BaseHandler): self.room_queues[room_id] = [] - yield self.store.clean_room_for_join(room_id) + yield self._clean_room_for_join(room_id) handled_events = set() @@ -955,7 +944,7 @@ class FederationHandler(BaseHandler): target_hosts.insert(0, origin) except ValueError: pass - ret = yield self.replication_layer.send_join(target_hosts, event) + ret = yield self.federation_client.send_join(target_hosts, event) origin = ret["origin"] state = ret["state"] @@ -981,15 +970,10 @@ class FederationHandler(BaseHandler): # FIXME pass - event_stream_id, max_stream_id = yield self._persist_auth_tree( + yield self._persist_auth_tree( origin, auth_chain, state, event ) - self.notifier.on_new_room_event( - event, event_stream_id, max_stream_id, - extra_users=[joinee] - ) - logger.debug("Finished joining %s to %s", joinee, room_id) finally: room_queue = self.room_queues[room_id] @@ -1084,7 +1068,7 @@ class FederationHandler(BaseHandler): # would introduce the danger of backwards-compatibility problems. event.internal_metadata.send_on_behalf_of = origin - context, event_stream_id, max_stream_id = yield self._handle_new_event( + context = yield self._handle_new_event( origin, event ) @@ -1094,20 +1078,10 @@ class FederationHandler(BaseHandler): event.signatures, ) - extra_users = [] - if event.type == EventTypes.Member: - target_user_id = event.state_key - target_user = UserID.from_string(target_user_id) - extra_users.append(target_user) - - self.notifier.on_new_room_event( - event, event_stream_id, max_stream_id, extra_users=extra_users - ) - if event.type == EventTypes.Member: if event.content["membership"] == Membership.JOIN: user = UserID.from_string(event.state_key) - yield user_joined_room(self.distributor, user, event.room_id) + yield self.user_joined_room(user, event.room_id) prev_state_ids = yield context.get_prev_state_ids(self.store) @@ -1176,17 +1150,7 @@ class FederationHandler(BaseHandler): ) context = yield self.state_handler.compute_event_context(event) - - event_stream_id, max_stream_id = yield self.store.persist_event( - event, - context=context, - ) - - target_user = UserID.from_string(event.state_key) - self.notifier.on_new_room_event( - event, event_stream_id, max_stream_id, - extra_users=[target_user], - ) + yield self._persist_events([(event, context)]) defer.returnValue(event) @@ -1211,30 +1175,20 @@ class FederationHandler(BaseHandler): except ValueError: pass - yield self.replication_layer.send_leave( + yield self.federation_client.send_leave( target_hosts, event ) context = yield self.state_handler.compute_event_context(event) - - event_stream_id, max_stream_id = yield self.store.persist_event( - event, - context=context, - ) - - target_user = UserID.from_string(event.state_key) - self.notifier.on_new_room_event( - event, event_stream_id, max_stream_id, - extra_users=[target_user], - ) + yield self._persist_events([(event, context)]) defer.returnValue(event) @defer.inlineCallbacks def _make_and_verify_event(self, target_hosts, room_id, user_id, membership, content={},): - origin, pdu = yield self.replication_layer.make_membership_event( + origin, pdu = yield self.federation_client.make_membership_event( target_hosts, room_id, user_id, @@ -1318,7 +1272,7 @@ class FederationHandler(BaseHandler): event.internal_metadata.outlier = False - context, event_stream_id, max_stream_id = yield self._handle_new_event( + yield self._handle_new_event( origin, event ) @@ -1328,22 +1282,17 @@ class FederationHandler(BaseHandler): event.signatures, ) - extra_users = [] - if event.type == EventTypes.Member: - target_user_id = event.state_key - target_user = UserID.from_string(target_user_id) - extra_users.append(target_user) - - self.notifier.on_new_room_event( - event, event_stream_id, max_stream_id, extra_users=extra_users - ) - defer.returnValue(None) @defer.inlineCallbacks def get_state_for_pdu(self, room_id, event_id): """Returns the state at the event. i.e. not including said event. """ + + event = yield self.store.get_event( + event_id, allow_none=False, check_room_id=room_id, + ) + state_groups = yield self.store.get_state_groups( room_id, [event_id] ) @@ -1354,8 +1303,7 @@ class FederationHandler(BaseHandler): (e.type, e.state_key): e for e in state } - event = yield self.store.get_event(event_id) - if event and event.is_state(): + if event.is_state(): # Get previous state if "replaces_state" in event.unsigned: prev_id = event.unsigned["replaces_state"] @@ -1374,6 +1322,10 @@ class FederationHandler(BaseHandler): def get_state_ids_for_pdu(self, room_id, event_id): """Returns the state at the event. i.e. not including said event. """ + event = yield self.store.get_event( + event_id, allow_none=False, check_room_id=room_id, + ) + state_groups = yield self.store.get_state_groups_ids( room_id, [event_id] ) @@ -1382,8 +1334,7 @@ class FederationHandler(BaseHandler): _, state = state_groups.items().pop() results = state - event = yield self.store.get_event(event_id) - if event and event.is_state(): + if event.is_state(): # Get previous state if "replaces_state" in event.unsigned: prev_id = event.unsigned["replaces_state"] @@ -1472,9 +1423,8 @@ class FederationHandler(BaseHandler): event, context ) - event_stream_id, max_stream_id = yield self.store.persist_event( - event, - context=context, + yield self._persist_events( + [(event, context)], backfilled=backfilled, ) except: # noqa: E722, as we reraise the exception this is fine. @@ -1487,15 +1437,7 @@ class FederationHandler(BaseHandler): six.reraise(tp, value, tb) - if not backfilled: - # this intentionally does not yield: we don't care about the result - # and don't need to wait for it. - logcontext.run_in_background( - self.pusher_pool.on_new_notifications, - event_stream_id, max_stream_id, - ) - - defer.returnValue((context, event_stream_id, max_stream_id)) + defer.returnValue(context) @defer.inlineCallbacks def _handle_new_events(self, origin, event_infos, backfilled=False): @@ -1503,6 +1445,8 @@ class FederationHandler(BaseHandler): should not depend on one another, e.g. this should be used to persist a bunch of outliers, but not a chunk of individual events that depend on each other for state calculations. + + Notifies about the events where appropriate. """ contexts = yield logcontext.make_deferred_yieldable(defer.gatherResults( [ @@ -1517,7 +1461,7 @@ class FederationHandler(BaseHandler): ], consumeErrors=True, )) - yield self.store.persist_events( + yield self._persist_events( [ (ev_info["event"], context) for ev_info, context in zip(event_infos, contexts) @@ -1529,7 +1473,8 @@ class FederationHandler(BaseHandler): def _persist_auth_tree(self, origin, auth_events, state, event): """Checks the auth chain is valid (and passes auth checks) for the state and event. Then persists the auth chain and state atomically. - Persists the event seperately. + Persists the event separately. Notifies about the persisted events + where appropriate. Will attempt to fetch missing auth events. @@ -1540,8 +1485,7 @@ class FederationHandler(BaseHandler): event (Event) Returns: - 2-tuple of (event_stream_id, max_stream_id) from the persist_event - call for `event` + Deferred """ events_to_context = {} for e in itertools.chain(auth_events, state): @@ -1567,7 +1511,7 @@ class FederationHandler(BaseHandler): missing_auth_events.add(e_id) for e_id in missing_auth_events: - m_ev = yield self.replication_layer.get_pdu( + m_ev = yield self.federation_client.get_pdu( [origin], e_id, outlier=True, @@ -1605,7 +1549,7 @@ class FederationHandler(BaseHandler): raise events_to_context[e.event_id].rejected = RejectedReason.AUTH_ERROR - yield self.store.persist_events( + yield self._persist_events( [ (e, events_to_context[e.event_id]) for e in itertools.chain(auth_events, state) @@ -1616,12 +1560,10 @@ class FederationHandler(BaseHandler): event, old_state=state ) - event_stream_id, max_stream_id = yield self.store.persist_event( - event, new_event_context, + yield self._persist_events( + [(event, new_event_context)], ) - defer.returnValue((event_stream_id, max_stream_id)) - @defer.inlineCallbacks def _prep_event(self, origin, event, state=None, auth_events=None): """ @@ -1678,8 +1620,19 @@ class FederationHandler(BaseHandler): defer.returnValue(context) @defer.inlineCallbacks - def on_query_auth(self, origin, event_id, remote_auth_chain, rejects, + def on_query_auth(self, origin, event_id, room_id, remote_auth_chain, rejects, missing): + in_room = yield self.auth.check_host_in_room( + room_id, + origin + ) + if not in_room: + raise AuthError(403, "Host not in room.") + + event = yield self.store.get_event( + event_id, allow_none=False, check_room_id=room_id + ) + # Just go through and process each event in `remote_auth_chain`. We # don't want to fall into the trap of `missing` being wrong. for e in remote_auth_chain: @@ -1689,7 +1642,6 @@ class FederationHandler(BaseHandler): pass # Now get the current auth_chain for the event. - event = yield self.store.get_event(event_id) local_auth_chain = yield self.store.get_auth_chain( [auth_id for auth_id, _ in event.auth_events], include_given=True @@ -1777,7 +1729,7 @@ class FederationHandler(BaseHandler): logger.info("Missing auth: %s", missing_auth) # If we don't have all the auth events, we need to get them. try: - remote_auth_chain = yield self.replication_layer.get_event_auth( + remote_auth_chain = yield self.federation_client.get_event_auth( origin, event.room_id, event.event_id ) @@ -1893,7 +1845,7 @@ class FederationHandler(BaseHandler): try: # 2. Get remote difference. - result = yield self.replication_layer.query_auth( + result = yield self.federation_client.query_auth( origin, event.room_id, event.event_id, @@ -2192,7 +2144,7 @@ class FederationHandler(BaseHandler): yield member_handler.send_membership_event(None, event, context) else: destinations = set(x.split(":", 1)[-1] for x in (sender_user_id, room_id)) - yield self.replication_layer.forward_third_party_invite( + yield self.federation_client.forward_third_party_invite( destinations, room_id, event_dict, @@ -2347,3 +2299,69 @@ class FederationHandler(BaseHandler): ) if "valid" not in response or not response["valid"]: raise AuthError(403, "Third party certificate was invalid") + + @defer.inlineCallbacks + def _persist_events(self, event_and_contexts, backfilled=False): + """Persists events and tells the notifier/pushers about them, if + necessary. + + Args: + event_and_contexts(list[tuple[FrozenEvent, EventContext]]) + backfilled (bool): Whether these events are a result of + backfilling or not + + Returns: + Deferred + """ + max_stream_id = yield self.store.persist_events( + event_and_contexts, + backfilled=backfilled, + ) + + if not backfilled: # Never notify for backfilled events + for event, _ in event_and_contexts: + self._notify_persisted_event(event, max_stream_id) + + def _notify_persisted_event(self, event, max_stream_id): + """Checks to see if notifier/pushers should be notified about the + event or not. + + Args: + event (FrozenEvent) + max_stream_id (int): The max_stream_id returned by persist_events + """ + + extra_users = [] + if event.type == EventTypes.Member: + target_user_id = event.state_key + + # We notify for memberships if its an invite for one of our + # users + if event.internal_metadata.is_outlier(): + if event.membership != Membership.INVITE: + if not self.is_mine_id(target_user_id): + return + + target_user = UserID.from_string(target_user_id) + extra_users.append(target_user) + elif event.internal_metadata.is_outlier(): + return + + event_stream_id = event.internal_metadata.stream_ordering + self.notifier.on_new_room_event( + event, event_stream_id, max_stream_id, + extra_users=extra_users + ) + + logcontext.run_in_background( + self.pusher_pool.on_new_notifications, + event_stream_id, max_stream_id, + ) + + def _clean_room_for_join(self, room_id): + return self.store.clean_room_for_join(room_id) + + def user_joined_room(self, user, room_id): + """Called when a new user has joined the room + """ + return user_joined_room(self.distributor, user, room_id) diff --git a/synapse/handlers/identity.py b/synapse/handlers/identity.py index 8c8aedb2b8..1d36d967c3 100644 --- a/synapse/handlers/identity.py +++ b/synapse/handlers/identity.py @@ -26,7 +26,7 @@ from twisted.internet import defer from synapse.api.errors import ( CodeMessageException, Codes, - MatrixCodeMessageException, + HttpResponseException, SynapseError, ) @@ -85,7 +85,6 @@ class IdentityHandler(BaseHandler): ) defer.returnValue(None) - data = {} try: data = yield self.http_client.get_json( "https://%s%s" % ( @@ -94,11 +93,9 @@ class IdentityHandler(BaseHandler): ), {'sid': creds['sid'], 'client_secret': client_secret} ) - except MatrixCodeMessageException as e: + except HttpResponseException as e: logger.info("getValidated3pid failed with Matrix error: %r", e) - raise SynapseError(e.code, e.msg, e.errcode) - except CodeMessageException as e: - data = json.loads(e.msg) + raise e.to_synapse_error() if 'medium' in data: defer.returnValue(data) @@ -136,7 +133,7 @@ class IdentityHandler(BaseHandler): ) logger.debug("bound threepid %r to %s", creds, mxid) except CodeMessageException as e: - data = json.loads(e.msg) + data = json.loads(e.msg) # XXX WAT? defer.returnValue(data) @defer.inlineCallbacks @@ -209,12 +206,9 @@ class IdentityHandler(BaseHandler): params ) defer.returnValue(data) - except MatrixCodeMessageException as e: - logger.info("Proxied requestToken failed with Matrix error: %r", e) - raise SynapseError(e.code, e.msg, e.errcode) - except CodeMessageException as e: + except HttpResponseException as e: logger.info("Proxied requestToken failed: %r", e) - raise e + raise e.to_synapse_error() @defer.inlineCallbacks def requestMsisdnToken( @@ -244,9 +238,6 @@ class IdentityHandler(BaseHandler): params ) defer.returnValue(data) - except MatrixCodeMessageException as e: - logger.info("Proxied requestToken failed with Matrix error: %r", e) - raise SynapseError(e.code, e.msg, e.errcode) - except CodeMessageException as e: + except HttpResponseException as e: logger.info("Proxied requestToken failed: %r", e) - raise e + raise e.to_synapse_error() diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py index 7caff0cbc8..289704b241 100644 --- a/synapse/handlers/register.py +++ b/synapse/handlers/register.py @@ -45,7 +45,7 @@ class RegistrationHandler(BaseHandler): hs (synapse.server.HomeServer): """ super(RegistrationHandler, self).__init__(hs) - + self.hs = hs self.auth = hs.get_auth() self._auth_handler = hs.get_auth_handler() self.profile_handler = hs.get_profile_handler() @@ -131,7 +131,7 @@ class RegistrationHandler(BaseHandler): Args: localpart : The local part of the user ID to register. If None, one will be generated. - password (str) : The password to assign to this user so they can + password (unicode) : The password to assign to this user so they can login again. This can be None which means they cannot login again via a password (e.g. the user is an application service user). generate_token (bool): Whether a new access token should be @@ -144,6 +144,7 @@ class RegistrationHandler(BaseHandler): Raises: RegistrationError if there was a problem registering. """ + yield self._check_mau_limits() password_hash = None if password: password_hash = yield self.auth_handler().hash(password) @@ -288,6 +289,7 @@ class RegistrationHandler(BaseHandler): 400, "User ID can only contain characters a-z, 0-9, or '=_-./'", ) + yield self._check_mau_limits() user = UserID(localpart, self.hs.hostname) user_id = user.to_string() @@ -437,7 +439,7 @@ class RegistrationHandler(BaseHandler): """ if localpart is None: raise SynapseError(400, "Request must include user id") - + yield self._check_mau_limits() need_register = True try: @@ -531,3 +533,16 @@ class RegistrationHandler(BaseHandler): remote_room_hosts=remote_room_hosts, action="join", ) + + @defer.inlineCallbacks + def _check_mau_limits(self): + """ + Do not accept registrations if monthly active user limits exceeded + and limiting is enabled + """ + if self.hs.config.limit_usage_by_mau is True: + current_mau = yield self.store.count_monthly_users() + if current_mau >= self.hs.config.max_mau_value: + raise RegistrationError( + 403, "MAU Limit Exceeded", Codes.MAU_LIMIT_EXCEEDED + ) |