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-rw-r--r--synapse/handlers/message.py13
-rw-r--r--synapse/rest/admin/__init__.py2
-rw-r--r--synapse/rest/admin/rooms.py32
3 files changed, 43 insertions, 4 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 9dfeab09cd..457491b75d 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -137,6 +137,7 @@ class MessageHandler:
         state_filter: StateFilter = StateFilter.all(),
         at_token: Optional[StreamToken] = None,
         is_guest: bool = False,
+        is_admin: bool = False,
     ) -> List[dict]:
         """Retrieve all state events for a given room. If the user is
         joined to the room then return the current state. If the user has
@@ -153,6 +154,7 @@ class MessageHandler:
                 stream token, we raise a 403 SynapseError. If None, returns the current
                 state based on the current_state_events table.
             is_guest: whether this user is a guest
+            is_admin: whether this user is making the request as a server admin.
         Returns:
             A list of dicts representing state events. [{}, {}, {}]
         Raises:
@@ -173,9 +175,12 @@ class MessageHandler:
             if not last_events:
                 raise NotFoundError("Can't find event for token %s" % (at_token,))
 
-            visible_events = await filter_events_for_client(
-                self.storage, user_id, last_events, filter_send_to_client=False
-            )
+            if is_admin:
+                visible_events = last_events
+            else:
+                visible_events = await filter_events_for_client(
+                    self.storage, user_id, last_events, filter_send_to_client=False,
+                )
 
             event = last_events[0]
             if visible_events:
@@ -197,7 +202,7 @@ class MessageHandler:
                 room_id, user_id, allow_departed_users=True
             )
 
-            if membership == Membership.JOIN:
+            if membership == Membership.JOIN or is_admin:
                 state_ids = await self.store.get_filtered_current_state_ids(
                     room_id, state_filter=state_filter
                 )
diff --git a/synapse/rest/admin/__init__.py b/synapse/rest/admin/__init__.py
index 6f7dc06503..4885f91ad8 100644
--- a/synapse/rest/admin/__init__.py
+++ b/synapse/rest/admin/__init__.py
@@ -41,6 +41,7 @@ from synapse.rest.admin.rooms import (
     MakeRoomAdminRestServlet,
     RoomMembersRestServlet,
     RoomRestServlet,
+    RoomStateRestServlet,
     ShutdownRoomRestServlet,
 )
 from synapse.rest.admin.server_notice_servlet import SendServerNoticeServlet
@@ -209,6 +210,7 @@ def register_servlets(hs, http_server):
     """
     register_servlets_for_client_rest_resource(hs, http_server)
     ListRoomRestServlet(hs).register(http_server)
+    RoomStateRestServlet(hs).register(http_server)
     RoomRestServlet(hs).register(http_server)
     RoomMembersRestServlet(hs).register(http_server)
     DeleteRoomRestServlet(hs).register(http_server)
diff --git a/synapse/rest/admin/rooms.py b/synapse/rest/admin/rooms.py
index ab7cc9102a..4c0331b197 100644
--- a/synapse/rest/admin/rooms.py
+++ b/synapse/rest/admin/rooms.py
@@ -292,6 +292,38 @@ class RoomMembersRestServlet(RestServlet):
         return 200, ret
 
 
+class RoomStateRestServlet(RestServlet):
+    """
+    Get full state within a room.
+    """
+
+    PATTERNS = admin_patterns("/rooms/(?P<room_id>[^/]+)/state")
+
+    def __init__(self, hs: "HomeServer"):
+        self.hs = hs
+        self.auth = hs.get_auth()
+        self.store = hs.get_datastore()
+        self.message_handler = hs.get_message_handler()
+
+    async def on_GET(
+        self, request: SynapseRequest, room_id: str
+    ) -> Tuple[int, JsonDict]:
+        await assert_requester_is_admin(self.auth, request)
+
+        ret = await self.store.get_room(room_id)
+        if not ret:
+            raise NotFoundError("Room not found")
+
+        room_state = await self.message_handler.get_state_events(
+            user_id=request.requester.user.to_string(),
+            room_id=room_id,
+            is_admin=True,  # already verified above
+        )
+        ret = {"state": room_state}
+
+        return 200, ret
+
+
 class JoinRoomAliasServlet(RestServlet):
 
     PATTERNS = admin_patterns("/join/(?P<room_identifier>[^/]*)")