From 49948d72f3c76f0ca32b844955d3add7922180ea Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 7 Nov 2014 10:42:44 +0000 Subject: Fix joining over federation --- synapse/api/auth.py | 53 +++++++++++++++++++++++++++++++++++++++-- synapse/api/events/__init__.py | 2 +- synapse/handlers/_base.py | 54 +----------------------------------------- synapse/handlers/federation.py | 1 + synapse/storage/__init__.py | 1 + 5 files changed, 55 insertions(+), 56 deletions(-) (limited to 'synapse') diff --git a/synapse/api/auth.py b/synapse/api/auth.py index e1302553d7..d4f284bd60 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -24,6 +24,7 @@ from synapse.api.events.room import ( RoomJoinRulesEvent, RoomCreateEvent, ) from synapse.util.logutils import log_function +from syutil.base64util import encode_base64 import logging @@ -61,8 +62,6 @@ class Auth(object): # FIXME return True - self._can_send_event(event) - if event.type == RoomMemberEvent.TYPE: allowed = self.is_membership_change_allowed(event) if allowed: @@ -71,6 +70,8 @@ class Auth(object): logger.debug("Denying! %s", event) return allowed + self._can_send_event(event) + if event.type == RoomPowerLevelsEvent.TYPE: self._check_power_levels(event) @@ -311,6 +312,54 @@ class Auth(object): def is_server_admin(self, user): return self.store.is_server_admin(user) + @defer.inlineCallbacks + def add_auth_events(self, event): + if event.type == RoomCreateEvent.TYPE: + event.auth_events = [] + return + + auth_events = [] + + key = (RoomPowerLevelsEvent.TYPE, "", ) + power_level_event = event.old_state_events.get(key) + + if power_level_event: + auth_events.append(power_level_event.event_id) + + key = (RoomJoinRulesEvent.TYPE, "", ) + join_rule_event = event.old_state_events.get(key) + + key = (RoomMemberEvent.TYPE, event.user_id, ) + member_event = event.old_state_events.get(key) + + if join_rule_event: + join_rule = join_rule_event.content.get("join_rule") + is_public = join_rule == JoinRules.PUBLIC if join_rule else False + + if event.type == RoomMemberEvent.TYPE: + if event.content["membership"] == Membership.JOIN: + if is_public: + auth_events.append(join_rule_event.event_id) + elif member_event: + auth_events.append(member_event.event_id) + + if member_event: + if member_event.content["membership"] == Membership.JOIN: + auth_events.append(member_event.event_id) + + hashes = yield self.store.get_event_reference_hashes( + auth_events + ) + hashes = [ + { + k: encode_base64(v) for k, v in h.items() + if k == "sha256" + } + for h in hashes + ] + event.auth_events = zip(auth_events, hashes) + + @log_function def _can_send_event(self, event): key = (RoomPowerLevelsEvent.TYPE, "", ) diff --git a/synapse/api/events/__init__.py b/synapse/api/events/__init__.py index 513a48f568..e5980c4be3 100644 --- a/synapse/api/events/__init__.py +++ b/synapse/api/events/__init__.py @@ -61,7 +61,6 @@ class SynapseEvent(JsonEncodedObject): "replaces_state", "redacted_because", "origin_server_ts", - "auth_events", ] internal_keys = [ @@ -75,6 +74,7 @@ class SynapseEvent(JsonEncodedObject): "hashes", "signatures", "prev_state", + "auth_events", ] required_keys = [ diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py index 2613fa7fce..f630280031 100644 --- a/synapse/handlers/_base.py +++ b/synapse/handlers/_base.py @@ -18,11 +18,6 @@ from twisted.internet import defer from synapse.api.errors import LimitExceededError from synapse.util.async import run_on_reactor from synapse.crypto.event_signing import add_hashes_and_signatures -from synapse.api.events.room import ( - RoomCreateEvent, RoomMemberEvent, RoomPowerLevelsEvent, RoomJoinRulesEvent, -) -from synapse.api.constants import Membership, JoinRules -from syutil.base64util import encode_base64 import logging @@ -59,53 +54,6 @@ class BaseHandler(object): retry_after_ms=int(1000*(time_allowed - time_now)), ) - @defer.inlineCallbacks - def _add_auth(self, event): - if event.type == RoomCreateEvent.TYPE: - event.auth_events = [] - return - - auth_events = [] - - key = (RoomPowerLevelsEvent.TYPE, "", ) - power_level_event = event.old_state_events.get(key) - - if power_level_event: - auth_events.append(power_level_event.event_id) - - key = (RoomJoinRulesEvent.TYPE, "", ) - join_rule_event = event.old_state_events.get(key) - - key = (RoomMemberEvent.TYPE, event.user_id, ) - member_event = event.old_state_events.get(key) - - if join_rule_event: - join_rule = join_rule_event.content.get("join_rule") - is_public = join_rule == JoinRules.PUBLIC if join_rule else False - - if event.type == RoomMemberEvent.TYPE: - if event.content["membership"] == Membership.JOIN: - if is_public: - auth_events.append(join_rule_event.event_id) - elif member_event: - auth_events.append(member_event.event_id) - - if member_event: - if member_event.content["membership"] == Membership.JOIN: - auth_events.append(member_event.event_id) - - hashes = yield self.store.get_event_reference_hashes( - auth_events - ) - hashes = [ - { - k: encode_base64(v) for k, v in h.items() - if k == "sha256" - } - for h in hashes - ] - event.auth_events = zip(auth_events, hashes) - @defer.inlineCallbacks def _on_new_room_event(self, event, snapshot, extra_destinations=[], extra_users=[], suppress_auth=False): @@ -115,7 +63,7 @@ class BaseHandler(object): yield self.state_handler.annotate_state_groups(event) - yield self._add_auth(event) + yield self.auth.add_auth_events(event) logger.debug("Signing event...") diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index f0448a05d8..09593303a4 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -317,6 +317,7 @@ class FederationHandler(BaseHandler): snapshot.fill_out_prev_events(event) yield self.state_handler.annotate_state_groups(event) + yield self.auth.add_auth_events(event) self.auth.check(event, raises=True) pdu = self.pdu_codec.pdu_from_event(event) diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index 48ad4d864f..96adf20c89 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -310,6 +310,7 @@ class DataStore(RoomMemberStore, RoomStore, "room_id": event.room_id, "auth_id": auth_id, }, + or_ignore=True, ) (ref_alg, ref_hash_bytes) = compute_event_reference_hash(event) -- cgit 1.4.1