Improve event validation (#16908)

As the title states.

1 files changed, 40 insertions, 0 deletions

diff --git a/tests/handlers/test_message.py b/tests/handlers/test_message.py

index 0ee5eee385..76ab83d1f7 100644
--- a/tests/handlers/test_message.py
+++ b/tests/handlers/test_message.py
@@ -24,6 +24,7 @@ from typing import Tuple
 from twisted.test.proto_helpers import MemoryReactor
 
 from synapse.api.constants import EventTypes
+from synapse.api.errors import SynapseError
 from synapse.events import EventBase
 from synapse.events.snapshot import EventContext, UnpersistedEventContextBase
 from synapse.rest import admin
@@ -51,11 +52,15 @@ class EventCreationTestCase(unittest.HomeserverTestCase):
         persistence = self.hs.get_storage_controllers().persistence
         assert persistence is not None
         self._persist_event_storage_controller = persistence
+        self.store = self.hs.get_datastores().main
 
         self.user_id = self.register_user("tester", "foobar")
         device_id = "dev-1"
         access_token = self.login("tester", "foobar", device_id=device_id)
         self.room_id = self.helper.create_room_as(self.user_id, tok=access_token)
+        self.private_room_id = self.helper.create_room_as(
+            self.user_id, tok=access_token, extra_content={"preset": "private_chat"}
+        )
 
         self.requester = create_requester(self.user_id, device_id=device_id)
 
@@ -285,6 +290,41 @@ class EventCreationTestCase(unittest.HomeserverTestCase):
             AssertionError,
         )
 
+    def test_call_invite_event_creation_fails_in_public_room(self) -> None:
+        # get prev_events for room
+        prev_events = self.get_success(
+            self.store.get_prev_events_for_room(self.room_id)
+        )
+
+        # the invite in a public room should fail
+        self.get_failure(
+            self.handler.create_event(
+                self.requester,
+                {
+                    "type": EventTypes.CallInvite,
+                    "room_id": self.room_id,
+                    "sender": self.requester.user.to_string(),
+                },
+                prev_event_ids=prev_events,
+                auth_event_ids=prev_events,
+            ),
+            SynapseError,
+        )
+
+        # but a call invite in a private room should succeed
+        self.get_success(
+            self.handler.create_event(
+                self.requester,
+                {
+                    "type": EventTypes.CallInvite,
+                    "room_id": self.private_room_id,
+                    "sender": self.requester.user.to_string(),
+                },
+                prev_event_ids=prev_events,
+                auth_event_ids=prev_events,
+            )
+        )
+
 
 class ServerAclValidationTestCase(unittest.HomeserverTestCase):
     servlets = [