diff --git a/synapse/api/auth.py b/synapse/api/auth.py index c0762df567..e96d747b99 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -22,7 +22,7 @@ from synapse.api.constants import EventTypes, Membership, JoinRules from synapse.api.errors import AuthError, Codes, SynapseError from synapse.types import RoomID, UserID, EventID from synapse.util.logutils import log_function -from synapse.util.thirdpartyinvites import ThirdPartyInvites +from synapse.util import third_party_invites from unpaddedbase64 import decode_base64 import logging @@ -389,7 +389,7 @@ class Auth(object): True if the event fulfills the expectations of a previous third party invite event. """ - if not ThirdPartyInvites.join_has_third_party_invite(event.content): + if not third_party_invites.join_has_third_party_invite(event.content): return False join_third_party_invite = event.content["third_party_invite"] token = join_third_party_invite["token"] @@ -692,7 +692,7 @@ class Auth(object): if e_type == Membership.JOIN: if member_event and not is_public: auth_ids.append(member_event.event_id) - if ThirdPartyInvites.join_has_third_party_invite(event.content): + if third_party_invites.join_has_third_party_invite(event.content): key = ( EventTypes.ThirdPartyInvite, event.content["third_party_invite"]["token"] diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index 6be83d82e7..d974e920c3 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -25,7 +25,7 @@ from synapse.api.errors import ( from synapse.util import unwrapFirstError from synapse.util.caches.expiringcache import ExpiringCache from synapse.util.logutils import log_function -from synapse.util.thirdpartyinvites import ThirdPartyInvites +from synapse.util import third_party_invites from synapse.events import FrozenEvent import synapse.metrics @@ -363,8 +363,8 @@ class FederationClient(FederationBase): continue args = {} - if ThirdPartyInvites.join_has_third_party_invite(content): - ThirdPartyInvites.copy_join_keys(content["third_party_invite"], args) + if third_party_invites.join_has_third_party_invite(content): + args = third_party_invites.extract_join_keys(content) try: ret = yield self.transport_layer.make_join( destination, room_id, user_id, args diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index d71ab44271..7934f740e0 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -27,7 +27,7 @@ from synapse.api.errors import FederationError, SynapseError, Codes from synapse.crypto.event_signing import compute_event_signature -from synapse.util.thirdpartyinvites import ThirdPartyInvites +from synapse.util import third_party_invites import simplejson as json import logging @@ -232,8 +232,8 @@ class FederationServer(FederationBase): @defer.inlineCallbacks def on_make_join_request(self, room_id, user_id, query): threepid_details = {} - if ThirdPartyInvites.has_join_keys(query): - for k in ThirdPartyInvites.JOIN_KEYS: + if third_party_invites.has_join_keys(query): + for k in third_party_invites.JOIN_KEYS: if not isinstance(query[k], list) or len(query[k]) != 1: raise FederationError( "FATAL", diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py index 4165c56bed..97edec6ec6 100644 --- a/synapse/handlers/_base.py +++ b/synapse/handlers/_base.py @@ -21,7 +21,7 @@ from synapse.api.constants import Membership, EventTypes from synapse.types import UserID, RoomAlias from synapse.util.logcontext import PreserveLoggingContext -from synapse.util.thirdpartyinvites import ThirdPartyInvites +from synapse.util import third_party_invites import logging @@ -127,9 +127,9 @@ class BaseHandler(object): if ( event.type == EventTypes.Member and event.content["membership"] == Membership.JOIN and - ThirdPartyInvites.join_has_third_party_invite(event.content) + third_party_invites.join_has_third_party_invite(event.content) ): - yield ThirdPartyInvites.check_key_valid( + yield third_party_invites.check_key_valid( self.hs.get_simple_http_client(), event ) diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index f10e5192e2..2b3c4cec8e 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -39,7 +39,7 @@ from twisted.internet import defer import itertools import logging -from synapse.util.thirdpartyinvites import ThirdPartyInvites +from synapse.util import third_party_invites logger = logging.getLogger(__name__) @@ -704,9 +704,10 @@ class FederationHandler(BaseHandler): process it until the other server has signed it and sent it back. """ event_content = {"membership": Membership.JOIN} - if ThirdPartyInvites.has_join_keys(query): - event_content["third_party_invite"] = {} - ThirdPartyInvites.copy_join_keys(query, event_content["third_party_invite"]) + if third_party_invites.has_join_keys(query): + event_content["third_party_invite"] = ( + third_party_invites.extract_join_keys(query) + ) builder = self.event_builder_factory.new({ "type": EventTypes.Member, @@ -722,8 +723,8 @@ class FederationHandler(BaseHandler): self.auth.check(event, auth_events=context.current_state) - if ThirdPartyInvites.join_has_third_party_invite(event.content): - ThirdPartyInvites.check_key_valid(self.hs.get_simple_http_client(), event) + if third_party_invites.join_has_third_party_invite(event.content): + third_party_invites.check_key_valid(self.hs.get_simple_http_client(), event) defer.returnValue(event) diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index 1aca203744..1f45fcc6f1 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -26,7 +26,7 @@ from synapse.events.utils import serialize_event import simplejson as json import logging import urllib -from synapse.util.thirdpartyinvites import ThirdPartyInvites +from synapse.util import third_party_invites logger = logging.getLogger(__name__) @@ -415,7 +415,7 @@ class RoomMembershipRestServlet(ClientV1RestServlet): # target user is you unless it is an invite state_key = user.to_string() - if membership_action == "invite" and ThirdPartyInvites.has_invite_keys(content): + if membership_action == "invite" and third_party_invites.has_invite_keys(content): yield self.handlers.room_member_handler.do_3pid_invite( room_id, user, @@ -446,9 +446,10 @@ class RoomMembershipRestServlet(ClientV1RestServlet): "membership": unicode(membership_action), } - if membership_action == "join" and ThirdPartyInvites.has_join_keys(content): - event_content["third_party_invite"] = {} - ThirdPartyInvites.copy_join_keys(content, event_content["third_party_invite"]) + if membership_action == "join" and third_party_invites.has_join_keys(content): + event_content["third_party_invite"] = ( + third_party_invites.extract_join_keys(content) + ) yield msg_handler.create_and_send_event( { diff --git a/synapse/util/third_party_invites.py b/synapse/util/third_party_invites.py new file mode 100644 index 0000000000..b7e38c7ec3 --- /dev/null +++ b/synapse/util/third_party_invites.py @@ -0,0 +1,69 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 OpenMarket 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. + +from twisted.internet import defer +from synapse.api.errors import AuthError + + +INVITE_KEYS = {"id_server", "medium", "address", "display_name"} + +JOIN_KEYS = { + "token", + "public_key", + "key_validity_url", + "signature", + "sender", +} + + +def has_invite_keys(content): + for key in INVITE_KEYS: + if key not in content: + return False + return True + + +def has_join_keys(content): + for key in JOIN_KEYS: + if key not in content: + return False + return True + + +def join_has_third_party_invite(content): + if "third_party_invite" not in content: + return False + return has_join_keys(content["third_party_invite"]) + + +def extract_join_keys(src): + return { + key: value + for key, value in src["third_party_invite"].items() + if key in JOIN_KEYS + } + + +@defer.inlineCallbacks +def check_key_valid(http_client, event): + try: + response = yield http_client.get_json( + event.content["third_party_invite"]["key_validity_url"], + {"public_key": event.content["third_party_invite"]["public_key"]} + ) + if not response["valid"]: + raise AuthError(403, "Third party certificate was invalid") + except IOError: + raise AuthError(403, "Third party certificate could not be checked") diff --git a/synapse/util/thirdpartyinvites.py b/synapse/util/thirdpartyinvites.py deleted file mode 100644 index ad0f4e88e9..0000000000 --- a/synapse/util/thirdpartyinvites.py +++ /dev/null @@ -1,68 +0,0 @@ -# -*- coding: utf-8 -*- -# Copyright 2015 OpenMarket 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. - -from twisted.internet import defer -from synapse.api.errors import AuthError - - -class ThirdPartyInvites(object): - INVITE_KEYS = {"id_server", "medium", "address", "display_name"} - - JOIN_KEYS = { - "token", - "public_key", - "key_validity_url", - "signature", - "sender", - } - - @classmethod - def has_invite_keys(cls, content): - for key in cls.INVITE_KEYS: - if key not in content: - return False - return True - - @classmethod - def has_join_keys(cls, content): - for key in cls.JOIN_KEYS: - if key not in content: - return False - return True - - @classmethod - def join_has_third_party_invite(cls, content): - if "third_party_invite" not in content: - return False - return cls.has_join_keys(content["third_party_invite"]) - - @classmethod - def copy_join_keys(cls, src, dst): - for key in cls.JOIN_KEYS: - if key in src: - dst[key] = src[key] - - @classmethod - @defer.inlineCallbacks - def check_key_valid(cls, http_client, event): - try: - response = yield http_client.get_json( - event.content["third_party_invite"]["key_validity_url"], - {"public_key": event.content["third_party_invite"]["public_key"]} - ) - if not response["valid"]: - raise AuthError(403, "Third party certificate was invalid") - except IOError: - raise AuthError(403, "Third party certificate could not be checked")