Add beginnings of ban support.

synapse/api/auth.py

@@ -57,6 +57,8 @@ class Auth(object):
                 )
 
                 if hasattr(event, "state_key"):
+                    # TODO (erikj): This really only should be called for *new*
+                    # state
                     yield self._can_add_state(event)
                 else:
                     yield self._can_send_event(event)
@@ -152,12 +154,29 @@ class Auth(object):
                 # TODO (erikj): private rooms
                 raise AuthError(403, "You are not allowed to join this room")
         elif Membership.LEAVE == membership:
+            # TODO (erikj): Implement kicks.
+
             if not caller_in_room:  # trying to leave a room you aren't joined
                 raise AuthError(403, "You are not in room %s." % event.room_id)
             elif target_user_id != event.user_id:
                 # trying to force another user to leave
                 raise AuthError(403, "Cannot force %s to leave." %
                                 target_user_id)
+        elif Membership.BAN == membership:
+            user_level = yield self.store.get_power_level(
+                event.room_id,
+                event.user_id,
+            )
+
+            ban_level, _ = yield self.store.get_ops_levels(event.room_id)
+
+            if ban_level:
+                ban_level = int(ban_level)
+            else:
+                ban_level = 5  # FIXME (erikj): What should we do here?
+
+            if ban_level < user_level:
+                raise AuthError(403, "You don't have permission to ban")
         else:
             raise AuthError(500, "Unknown membership %s" % membership)
 

synapse/api/constants.py

@@ -23,7 +23,8 @@ class Membership(object):
     JOIN = u"join"
     KNOCK = u"knock"
     LEAVE = u"leave"
-    LIST = (INVITE, JOIN, KNOCK, LEAVE)
+    BAN = u"ban"
+    LIST = (INVITE, JOIN, KNOCK, LEAVE, BAN)
 
 
 class Feedback(object):

synapse/api/events/factory.py

@@ -16,7 +16,7 @@
 from synapse.api.events.room import (
     RoomTopicEvent, MessageEvent, RoomMemberEvent, FeedbackEvent,
     InviteJoinEvent, RoomConfigEvent, RoomNameEvent, GenericEvent,
-    RoomPowerLevelsEvent, RoomJoinRulesEvent,
+    RoomPowerLevelsEvent, RoomJoinRulesEvent, RoomOpsPowerLevelsEvent,
     RoomCreateEvent, RoomAddStateLevelEvent, RoomSendEventLevelEvent
 )
 
@@ -38,6 +38,7 @@ class EventFactory(object):
         RoomCreateEvent,
         RoomAddStateLevelEvent,
         RoomSendEventLevelEvent,
+        RoomOpsPowerLevelsEvent,
     ]
 
     def __init__(self, hs):

synapse/api/events/room.py

@@ -167,3 +167,10 @@ class RoomSendEventLevelEvent(SynapseStateEvent):
 
     def get_content_template(self):
         return {}
+
+
+class RoomOpsPowerLevelsEvent(SynapseStateEvent):
+    TYPE = "m.room.ops_levels"
+
+    def get_content_template(self):
+        return {}

synapse/handlers/room.py

@@ -22,7 +22,7 @@ from synapse.api.errors import StoreError, SynapseError
 from synapse.api.events.room import (
     RoomMemberEvent, RoomCreateEvent, RoomPowerLevelsEvent,
     RoomJoinRulesEvent, RoomAddStateLevelEvent,
-    RoomSendEventLevelEvent,
+    RoomSendEventLevelEvent, RoomOpsPowerLevelsEvent,
 )
 from synapse.util import stringutils
 from ._base import BaseRoomHandler
@@ -151,35 +151,44 @@ class RoomCreationHandler(BaseRoomHandler):
             "user_id": creator.to_string(),
         }
 
-        creation_event = self.event_factory.create_event(
+        def create(etype, **content):
-            etype=RoomCreateEvent.TYPE,
+            return self.event_factory.create_event(
-            content={"creator": creator.to_string(), "default": 0},
+                etype=etype,
+                content=content,
                 **event_keys
             )
 
-        power_levels_event = self.event_factory.create_event(
+        creation_event = create(
+            etype=RoomCreateEvent.TYPE,
+            creator=creator.to_string(),
+            default=0,
+        )
+
+        power_levels_event = create(
             etype=RoomPowerLevelsEvent.TYPE,
-            content={creator.to_string(): 10},
+            **{creator.to_string(): 10}
-            **event_keys
         )
 
         join_rule = JoinRules.PUBLIC if is_public else JoinRules.INVITE
-        join_rules_event = self.event_factory.create_event(
+        join_rules_event = create(
             etype=RoomJoinRulesEvent.TYPE,
-            content={"join_rule": join_rule},
+            join_rule=join_rule,
-            **event_keys
         )
 
-        add_state_event = self.event_factory.create_event(
+        add_state_event = create(
             etype=RoomAddStateLevelEvent.TYPE,
-            content={"level": 10},
+            level=10,
-            **event_keys
         )
 
-        send_event = self.event_factory.create_event(
+        send_event = create(
             etype=RoomSendEventLevelEvent.TYPE,
-            content={"level": 0},
+            level=0,
-            **event_keys
+        )
+
+        ops = create(
+            etype=RoomOpsPowerLevelsEvent.TYPE,
+            ban_level=5,
+            kick_level=5,
         )
 
         return [
@@ -188,6 +197,7 @@ class RoomCreationHandler(BaseRoomHandler):
             join_rules_event,
             add_state_event,
             send_event,
+            ops,
         ]
 
 
@@ -493,8 +503,7 @@ class RoomMemberHandler(BaseRoomHandler):
             host = target_user.domain
             destinations.append(host)
 
-        # If we are joining a remote HS, include that.
+        # Always include target domain
-        if membership == Membership.JOIN:
         host = target_user.domain
         destinations.append(host)
 

synapse/storage/__init__.py

@@ -127,8 +127,6 @@ class DataStore(RoomMemberStore, RoomStore,
             self._store_room_member_txn(txn, event)
         elif event.type == FeedbackEvent.TYPE:
             self._store_feedback_txn(txn, event)
-#        elif event.type == RoomConfigEvent.TYPE:
-#            self._store_room_config_txn(txn, event)
         elif event.type == RoomNameEvent.TYPE:
             self._store_room_name_txn(txn, event)
         elif event.type == RoomTopicEvent.TYPE:

synapse/storage/room.py

@@ -27,6 +27,9 @@ import logging
 logger = logging.getLogger(__name__)
 
 
+OpsLevel = collections.namedtuple("OpsLevel", ("ban_level", "kick_level"))
+
+
 class RoomStore(SQLBaseStore):
 
     @defer.inlineCallbacks
@@ -145,8 +148,13 @@ class RoomStore(SQLBaseStore):
         else:
             defer.returnValue(None)
 
-    @defer.inlineCallbacks
     def get_power_level(self, room_id, user_id):
+        return self._db_pool.runInteraction(
+            self._get_power_level,
+            room_id, user_id,
+        )
+
+    def _get_power_level(self, txn, room_id, user_id):
         sql = (
             "SELECT level FROM room_power_levels as r "
             "INNER JOIN current_state_events as c "
@@ -154,7 +162,7 @@ class RoomStore(SQLBaseStore):
             "WHERE c.room_id = ? AND r.user_id = ? "
         )
 
-        rows = yield self._execute(None, sql, room_id, user_id)
+        rows = txn.execute(sql, (room_id, user_id,)).fetchall()
 
         if len(rows) == 1:
             defer.returnValue(rows[0][0])
@@ -167,12 +175,33 @@ class RoomStore(SQLBaseStore):
             "WHERE c.room_id = ? "
         )
 
-        rows = yield self._execute(None, sql, room_id)
+        rows = txn.execute(sql, (room_id,)).fetchall()
 
         if len(rows) == 1:
-            defer.returnValue(rows[0][0])
+            return rows[0][0]
         else:
-            defer.returnValue(None)
+            return None
+
+    def get_ops_levels(self, room_id):
+        return self._db_pool.runInteraction(
+            self._get_ops_levels,
+            room_id,
+        )
+
+    def _get_ops_levels(self, txn, room_id):
+        sql = (
+            "SELECT ban_level, kick_level FROM room_ops_levels as r "
+            "INNER JOIN current_state_events as c "
+            "ON r.event_id = c.event_id "
+            "WHERE c.room_id = ? "
+        )
+
+        rows = txn.execute(sql, (room_id,)).fetchall()
+
+        if len(rows) == 1:
+            return OpsLevel(rows[0][0], rows[0][1])
+        else:
+            return OpsLevel(None, None)
 
     def get_add_state_level(self, room_id):
         return self._get_level_from_table("room_add_state_levels", room_id)
@@ -286,6 +315,24 @@ class RoomStore(SQLBaseStore):
             },
         )
 
+    def _store_ops_level(self, txn, event):
+        content = {
+            "event_id": event.event_id,
+            "room_id": event.room_id,
+        }
+
+        if "kick_level" in event.content:
+            content["kick_level"] = event.content["kick_level"]
+
+        if "ban_level" in event.content:
+            content["ban_level"] = event.content["ban_level"]
+
+        self._simple_insert_txn(
+            txn,
+            "room_send_event_levels",
+            content,
+        )
+
 
 class RoomsTable(Table):
     table_name = "rooms"

synapse/storage/schema/im.sql

@@ -146,6 +146,17 @@ CREATE INDEX IF NOT EXISTS room_send_event_levels_event_id ON room_send_event_le
 CREATE INDEX IF NOT EXISTS room_send_event_levels_room_id ON room_send_event_levels(room_id);
 
 
+CREATE TABLE IF NOT EXISTS room_ops_levels(
+    event_id TEXT NOT NULL,
+    room_id TEXT NOT NULL,
+    ban_level INTEGER,
+    kick_level INTEGER,
+);
+
+CREATE INDEX IF NOT EXISTS room_ops_levels_event_id ON room_ops_levels(event_id);
+CREATE INDEX IF NOT EXISTS room_ops_levels_room_id ON room_ops_levels(room_id);
+
+
 CREATE TABLE IF NOT EXISTS room_hosts(
     room_id TEXT NOT NULL,
     host TEXT NOT NULL,