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-rw-r--r--synapse/api/auth.py54
-rw-r--r--synapse/handlers/directory.py16
-rw-r--r--synapse/rest/client/v1/directory.py42
-rw-r--r--synapse/storage/room.py8
4 files changed, 116 insertions, 4 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index 3038df4ab8..4f9c3c9db8 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -814,17 +814,16 @@ class Auth(object):
 
         return auth_ids
 
-    @log_function
-    def _can_send_event(self, event, auth_events):
+    def _get_send_level(self, etype, state_key, auth_events):
         key = (EventTypes.PowerLevels, "", )
         send_level_event = auth_events.get(key)
         send_level = None
         if send_level_event:
             send_level = send_level_event.content.get("events", {}).get(
-                event.type
+                etype
             )
             if send_level is None:
-                if hasattr(event, "state_key"):
+                if state_key is not None:
                     send_level = send_level_event.content.get(
                         "state_default", 50
                     )
@@ -838,6 +837,13 @@ class Auth(object):
         else:
             send_level = 0
 
+        return send_level
+
+    @log_function
+    def _can_send_event(self, event, auth_events):
+        send_level = self._get_send_level(
+            event.type, event.get("state_key", None), auth_events
+        )
         user_level = self._get_user_power_level(event.user_id, auth_events)
 
         if user_level < send_level:
@@ -982,3 +988,43 @@ class Auth(object):
                     "You don't have permission to add ops level greater "
                     "than your own"
                 )
+
+    @defer.inlineCallbacks
+    def check_can_change_room_list(self, room_id, user):
+        """Check if the user is allowed to edit the room's entry in the
+        published room list.
+
+        Args:
+            room_id (str)
+            user (UserID)
+        """
+
+        is_admin = yield self.is_server_admin(user)
+        if is_admin:
+            defer.returnValue(True)
+
+        user_id = user.to_string()
+        yield self.check_joined_room(room_id, user_id)
+
+        # We currently require the user is a "moderator" in the room. We do this
+        # by checking if they would (theoretically) be able to change the
+        # m.room.aliases events
+        power_level_event = yield self.state.get_current_state(
+            room_id, EventTypes.PowerLevels, ""
+        )
+
+        auth_events = {}
+        if power_level_event:
+            auth_events[(EventTypes.PowerLevels, "")] = power_level_event
+
+        send_level = self._get_send_level(
+            EventTypes.Aliases, "", auth_events
+        )
+        user_level = self._get_user_power_level(user_id, auth_events)
+
+        if user_level < send_level:
+            raise AuthError(
+                403,
+                "This server requires you to be a moderator in the room to"
+                " edit its room list entry"
+            )
diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py
index 6bcc5a5e2b..b2617c8898 100644
--- a/synapse/handlers/directory.py
+++ b/synapse/handlers/directory.py
@@ -317,3 +317,19 @@ class DirectoryHandler(BaseHandler):
 
         is_admin = yield self.auth.is_server_admin(UserID.from_string(user_id))
         defer.returnValue(is_admin)
+
+    @defer.inlineCallbacks
+    def edit_published_room_list(self, requester, room_id, visibility):
+        if requester.is_guest:
+            raise AuthError(403, "Guests cannot edit the published room list")
+
+        if visibility not in ["public", "private"]:
+            raise SynapseError(400, "Invalide visibility setting")
+
+        room = yield self.store.get_room(room_id)
+        if room is None:
+            raise SynapseError(400, "Unknown room")
+
+        yield self.auth.check_can_change_room_list(room_id, requester.user)
+
+        yield self.store.set_room_is_public(room_id, visibility == "public")
diff --git a/synapse/rest/client/v1/directory.py b/synapse/rest/client/v1/directory.py
index 59a23d6cb6..8ac09419dc 100644
--- a/synapse/rest/client/v1/directory.py
+++ b/synapse/rest/client/v1/directory.py
@@ -30,6 +30,7 @@ logger = logging.getLogger(__name__)
 
 def register_servlets(hs, http_server):
     ClientDirectoryServer(hs).register(http_server)
+    ClientDirectoryListServer(hs).register(http_server)
 
 
 class ClientDirectoryServer(ClientV1RestServlet):
@@ -137,3 +138,44 @@ class ClientDirectoryServer(ClientV1RestServlet):
         )
 
         defer.returnValue((200, {}))
+
+
+class ClientDirectoryListServer(ClientV1RestServlet):
+    PATTERNS = client_path_patterns("/directory/list/room/(?P<room_id>[^/]*)$")
+
+    def __init__(self, hs):
+        super(ClientDirectoryListServer, self).__init__(hs)
+        self.store = hs.get_datastore()
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        room = yield self.store.get_room(room_id)
+        if room is None:
+            raise SynapseError(400, "Unknown room")
+
+        defer.returnValue((200, {
+            "visibility": "public" if room["is_public"] else "private"
+        }))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id):
+        requester = yield self.auth.get_user_by_req(request)
+
+        content = parse_json_object_from_request(request)
+        visibility = content.get("visibility", "public")
+
+        yield self.handlers.directory_handler.edit_published_room_list(
+            requester, room_id, visibility,
+        )
+
+        defer.returnValue((200, {}))
+
+    @defer.inlineCallbacks
+    def on_DELETE(self, request, room_id):
+        requester = yield self.auth.get_user_by_req(request)
+
+        yield self.handlers.directory_handler.edit_published_room_list(
+            requester, room_id, "private",
+        )
+
+        defer.returnValue((200, {}))
diff --git a/synapse/storage/room.py b/synapse/storage/room.py
index 46ab38a313..9be977f387 100644
--- a/synapse/storage/room.py
+++ b/synapse/storage/room.py
@@ -77,6 +77,14 @@ class RoomStore(SQLBaseStore):
             allow_none=True,
         )
 
+    def set_room_is_public(self, room_id, is_public):
+        return self._simple_update_one(
+            table="rooms",
+            keyvalues={"room_id": room_id},
+            updatevalues={"is_public": is_public},
+            desc="set_room_is_public",
+        )
+
     def get_public_room_ids(self):
         return self._simple_select_onecol(
             table="rooms",