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authorAndrew Morgan <1342360+anoadragon453@users.noreply.github.com>2023-03-21 13:24:03 +0000
committerGitHub <noreply@github.com>2023-03-21 13:24:03 +0000
commitec9224bf9a7bebb6c429ef45e0d1a293f0986836 (patch)
treed140e37a1f09dabca17f85377639cacfeae326e2 /synapse
parentMake `EventHandler.get_event` return `None` when the requested event is not f... (diff)
downloadsynapse-ec9224bf9a7bebb6c429ef45e0d1a293f0986836.tar.xz
Make `POST /_matrix/client/v3/rooms/{roomId}/report/{eventId}` endpoint return 404 if event exists, but the user lacks access (#15300)
Diffstat (limited to '')
-rw-r--r--synapse/rest/client/report_event.py16
-rw-r--r--synapse/storage/databases/main/events_worker.py1
2 files changed, 11 insertions, 6 deletions
diff --git a/synapse/rest/client/report_event.py b/synapse/rest/client/report_event.py
index 9be5860221..ac1a63ca27 100644
--- a/synapse/rest/client/report_event.py
+++ b/synapse/rest/client/report_event.py
@@ -16,7 +16,7 @@ import logging
 from http import HTTPStatus
 from typing import TYPE_CHECKING, Tuple
 
-from synapse.api.errors import Codes, NotFoundError, SynapseError
+from synapse.api.errors import AuthError, Codes, NotFoundError, SynapseError
 from synapse.http.server import HttpServer
 from synapse.http.servlet import RestServlet, parse_json_object_from_request
 from synapse.http.site import SynapseRequest
@@ -62,12 +62,18 @@ class ReportEventRestServlet(RestServlet):
                 Codes.BAD_JSON,
             )
 
-        event = await self._event_handler.get_event(
-            requester.user, room_id, event_id, show_redacted=False
-        )
+        try:
+            event = await self._event_handler.get_event(
+                requester.user, room_id, event_id, show_redacted=False
+            )
+        except AuthError:
+            # The event exists, but this user is not allowed to access this event.
+            event = None
+
         if event is None:
             raise NotFoundError(
-                "Unable to report event: it does not exist or you aren't able to see it."
+                "Unable to report event: "
+                "it does not exist or you aren't able to see it."
             )
 
         await self.store.add_event_report(
diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py
index 20b7a68362..0cf46626d2 100644
--- a/synapse/storage/databases/main/events_worker.py
+++ b/synapse/storage/databases/main/events_worker.py
@@ -805,7 +805,6 @@ class EventsWorkerStore(SQLBaseStore):
                 # the events have been redacted, and if so pulling the redaction event
                 # out of the database to check it.
                 #
-                missing_events = {}
                 try:
                     # Try to fetch from any external cache. We already checked the
                     # in-memory cache above.