diff --git a/synapse/handlers/events.py b/synapse/handlers/events.py
index 8bc642675f..f772e62c28 100644
--- a/synapse/handlers/events.py
+++ b/synapse/handlers/events.py
@@ -13,20 +13,21 @@
# See the License for the specific language governing permissions and
# limitations under the License.
+import logging
+import random
+
from twisted.internet import defer
-from synapse.util.logutils import log_function
-from synapse.types import UserID
-from synapse.events.utils import serialize_event
-from synapse.api.constants import Membership, EventTypes
+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
-import logging
-import random
-
-
logger = logging.getLogger(__name__)
@@ -130,11 +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.
@@ -143,13 +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)
|
