Merge branch 'room_config' into develop

10 files changed, 559 insertions, 42 deletions

diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index 2473a2b2bb..abd7d73b0a 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -17,9 +17,10 @@
 
 from twisted.internet import defer
 
-from synapse.api.constants import Membership
+from synapse.api.constants import Membership, JoinRules
 from synapse.api.errors import AuthError, StoreError, Codes
 from synapse.api.events.room import RoomMemberEvent
+from synapse.util.logutils import log_function
 
 import logging
 
@@ -44,16 +45,29 @@ class Auth(object):
         """
         try:
             if hasattr(event, "room_id"):
+                is_state = hasattr(event, "state_key")
+
                 if event.type == RoomMemberEvent.TYPE:
+                    yield self._can_replace_state(event)
                     allowed = yield self.is_membership_change_allowed(event)
                     defer.returnValue(allowed)
+                    return
+
+                self._check_joined_room(
+                    member=snapshot.membership_state,
+                    user_id=snapshot.user_id,
+                    room_id=snapshot.room_id,
+                )
+
+                if is_state:
+                    # TODO (erikj): This really only should be called for *new*
+                    # state
+                    yield self._can_add_state(event)
+                    yield self._can_replace_state(event)
                 else:
-                    self._check_joined_room(
-                        member=snapshot.membership_state,
-                        user_id=snapshot.user_id,
-                        room_id=snapshot.room_id,
-                    )
-                    defer.returnValue(True)
+                    yield self._can_send_event(event)
+
+                defer.returnValue(True)
             else:
                 raise AuthError(500, "Unknown event: %s" % event)
         except AuthError as e:
@@ -111,7 +125,14 @@ class Auth(object):
 
         membership = event.content["membership"]
 
+        join_rule = yield self.store.get_room_join_rule(event.room_id)
+        if not join_rule:
+            join_rule = JoinRules.INVITE
+
         if Membership.INVITE == membership:
+            # TODO (erikj): We should probably handle this more intelligently
+            # PRIVATE join rules.
+
             # Invites are valid iff caller is in the room and target isn't.
             if not caller_in_room:  # caller isn't joined
                 raise AuthError(403, "You are not in room %s." % event.room_id)
@@ -124,18 +145,42 @@ class Auth(object):
             # joined: It's a NOOP
             if event.user_id != target_user_id:
                 raise AuthError(403, "Cannot force another user to join.")
-            elif room.is_public:
-                pass  # anyone can join public rooms.
-            elif (not caller or caller.membership not in
-                    [Membership.INVITE, Membership.JOIN]):
-                raise AuthError(403, "You are not invited to this room.")
+            elif join_rule == JoinRules.PUBLIC or room.is_public:
+                pass
+            elif join_rule == JoinRules.INVITE:
+                if (
+                    not caller or caller.membership not in
+                    [Membership.INVITE, Membership.JOIN]
+                ):
+                    raise AuthError(403, "You are not invited to this room.")
+            else:
+                # TODO (erikj): may_join list
+                # 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 user_level < ban_level:
+                raise AuthError(403, "You don't have permission to ban")
         else:
             raise AuthError(500, "Unknown membership %s" % membership)
 
@@ -176,3 +221,85 @@ class Auth(object):
         except StoreError:
             raise AuthError(403, "Unrecognised access token.",
                             errcode=Codes.UNKNOWN_TOKEN)
+
+    @defer.inlineCallbacks
+    @log_function
+    def _can_send_event(self, event):
+        send_level = yield self.store.get_send_event_level(event.room_id)
+
+        if send_level:
+            send_level = int(send_level)
+        else:
+            send_level = 0
+
+        user_level = yield self.store.get_power_level(
+            event.room_id,
+            event.user_id,
+        )
+
+        if user_level:
+            user_level = int(user_level)
+        else:
+            user_level = 0
+
+        if user_level < send_level:
+            raise AuthError(
+                403, "You don't have permission to post to the room"
+            )
+
+        defer.returnValue(True)
+
+    @defer.inlineCallbacks
+    def _can_add_state(self, event):
+        add_level = yield self.store.get_add_state_level(event.room_id)
+
+        if not add_level:
+            defer.returnValue(True)
+
+        add_level = int(add_level)
+
+        user_level = yield self.store.get_power_level(
+            event.room_id,
+            event.user_id,
+        )
+
+        user_level = int(user_level)
+
+        if user_level < add_level:
+            raise AuthError(
+                403, "You don't have permission to add state to the room"
+            )
+
+        defer.returnValue(True)
+
+    @defer.inlineCallbacks
+    def _can_replace_state(self, event):
+        current_state = yield self.store.get_current_state(
+            event.room_id,
+            event.type,
+            event.state_key,
+        )
+
+        if current_state:
+            current_state = current_state[0]
+
+        user_level = yield self.store.get_power_level(
+            event.room_id,
+            event.user_id,
+        )
+
+        if user_level:
+            user_level = int(user_level)
+        else:
+            user_level = 0
+
+        logger.debug("Checking power level for %s, %s", event.user_id, user_level)
+        if current_state and hasattr(current_state, "required_power_level"):
+            req = current_state.required_power_level
+
+            logger.debug("Checked power level for %s, %s", event.user_id, req)
+            if user_level < req:
+                raise AuthError(
+                    403,
+                    "You don't have permission to change that state"
+                )
diff --git a/synapse/api/constants.py b/synapse/api/constants.py
index f69f2445a2..668ffa07ca 100644
--- a/synapse/api/constants.py
+++ b/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):
@@ -42,3 +43,10 @@ class PresenceState(object):
     UNAVAILABLE = u"unavailable"
     ONLINE = u"online"
     FREE_FOR_CHAT = u"free_for_chat"
+
+
+class JoinRules(object):
+    PUBLIC = u"public"
+    KNOCK = u"knock"
+    INVITE = u"invite"
+    PRIVATE = u"private"
diff --git a/synapse/api/events/__init__.py b/synapse/api/events/__init__.py
index f9653e0b2a..9502f5df8f 100644
--- a/synapse/api/events/__init__.py
+++ b/synapse/api/events/__init__.py
@@ -42,6 +42,7 @@ class SynapseEvent(JsonEncodedObject):
         "user_id",  # sender/initiator
         "content",  # HTTP body, JSON
         "state_key",
+        "required_power_level",
     ]
 
     internal_keys = [
@@ -52,6 +53,7 @@ class SynapseEvent(JsonEncodedObject):
         "destinations",
         "origin",
         "outlier",
+        "power_level",
     ]
 
     required_keys = [
@@ -152,3 +154,10 @@ class SynapseEvent(JsonEncodedObject):
                         msg = self._check_json(entry, template[key][0])
                         if msg:
                             return msg
+
+
+class SynapseStateEvent(SynapseEvent):
+     def __init__(self, **kwargs):
+        if "state_key" not in kwargs:
+            kwargs["state_key"] = ""
+        super(SynapseStateEvent, self).__init__(**kwargs)
diff --git a/synapse/api/events/factory.py b/synapse/api/events/factory.py
index c2cdcddf41..159728b2d2 100644
--- a/synapse/api/events/factory.py
+++ b/synapse/api/events/factory.py
@@ -16,6 +16,8 @@
 from synapse.api.events.room import (
     RoomTopicEvent, MessageEvent, RoomMemberEvent, FeedbackEvent,
     InviteJoinEvent, RoomConfigEvent, RoomNameEvent, GenericEvent,
+    RoomPowerLevelsEvent, RoomJoinRulesEvent, RoomOpsPowerLevelsEvent,
+    RoomCreateEvent, RoomAddStateLevelEvent, RoomSendEventLevelEvent
 )
 
 from synapse.util.stringutils import random_string
@@ -30,7 +32,13 @@ class EventFactory(object):
         RoomMemberEvent,
         FeedbackEvent,
         InviteJoinEvent,
-        RoomConfigEvent
+        RoomConfigEvent,
+        RoomPowerLevelsEvent,
+        RoomJoinRulesEvent,
+        RoomCreateEvent,
+        RoomAddStateLevelEvent,
+        RoomSendEventLevelEvent,
+        RoomOpsPowerLevelsEvent,
     ]
 
     def __init__(self, hs):
diff --git a/synapse/api/events/room.py b/synapse/api/events/room.py
index 9faad57ac0..f6d3c59a9a 100644
--- a/synapse/api/events/room.py
+++ b/synapse/api/events/room.py
@@ -15,7 +15,7 @@
 
 from synapse.api.constants import Feedback, Membership
 from synapse.api.errors import SynapseError
-from . import SynapseEvent
+from . import SynapseEvent, SynapseStateEvent
 
 
 class GenericEvent(SynapseEvent):
@@ -132,3 +132,45 @@ class RoomConfigEvent(SynapseEvent):
 
     def get_content_template(self):
         return {}
+
+
+class RoomCreateEvent(SynapseStateEvent):
+    TYPE = "m.room.create"
+
+    def get_content_template(self):
+        return {}
+
+
+class RoomJoinRulesEvent(SynapseStateEvent):
+    TYPE = "m.room.join_rules"
+
+    def get_content_template(self):
+        return {}
+
+
+class RoomPowerLevelsEvent(SynapseStateEvent):
+    TYPE = "m.room.power_levels"
+
+    def get_content_template(self):
+        return {}
+
+
+class RoomAddStateLevelEvent(SynapseStateEvent):
+    TYPE = "m.room.add_state_level"
+
+    def get_content_template(self):
+        return {}
+
+
+class RoomSendEventLevelEvent(SynapseStateEvent):
+    TYPE = "m.room.send_event_level"
+
+    def get_content_template(self):
+        return {}
+
+
+class RoomOpsPowerLevelsEvent(SynapseStateEvent):
+    TYPE = "m.room.ops_levels"
+
+    def get_content_template(self):
+        return {}
diff --git a/synapse/federation/units.py b/synapse/federation/units.py
index 2b2f11f36a..b468f70546 100644
--- a/synapse/federation/units.py
+++ b/synapse/federation/units.py
@@ -68,6 +68,7 @@ class Pdu(JsonEncodedObject):
         "power_level",
         "prev_state_id",
         "prev_state_origin",
+        "required_power_level",
     ]
 
     internal_keys = [
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index c54e0f963b..9858d1af50 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -17,10 +17,12 @@
 from twisted.internet import defer
 
 from synapse.types import UserID, RoomAlias, RoomID
-from synapse.api.constants import Membership
+from synapse.api.constants import Membership, JoinRules
 from synapse.api.errors import StoreError, SynapseError
 from synapse.api.events.room import (
-    RoomMemberEvent, RoomConfigEvent
+    RoomMemberEvent, RoomCreateEvent, RoomPowerLevelsEvent,
+    RoomJoinRulesEvent, RoomAddStateLevelEvent,
+    RoomSendEventLevelEvent, RoomOpsPowerLevelsEvent,
 )
 from synapse.util import stringutils
 from ._base import BaseRoomHandler
@@ -62,6 +64,8 @@ class RoomCreationHandler(BaseRoomHandler):
         else:
             room_alias = None
 
+        is_public = config.get("visibility", None) == "public"
+
         if room_id:
             # Ensure room_id is the correct type
             room_id_obj = RoomID.from_string(room_id, self.hs)
@@ -71,7 +75,7 @@ class RoomCreationHandler(BaseRoomHandler):
             yield self.store.store_room(
                 room_id=room_id,
                 room_creator_user_id=user_id,
-                is_public=config["visibility"] == "public"
+                is_public=is_public
             )
         else:
             # autogen room IDs and try to create it. We may clash, so just
@@ -85,7 +89,7 @@ class RoomCreationHandler(BaseRoomHandler):
                     yield self.store.store_room(
                         room_id=gen_room_id.to_string(),
                         room_creator_user_id=user_id,
-                        is_public=config["visibility"] == "public"
+                        is_public=is_public
                     )
                     room_id = gen_room_id.to_string()
                     break
@@ -94,18 +98,10 @@ class RoomCreationHandler(BaseRoomHandler):
             if not room_id:
                 raise StoreError(500, "Couldn't generate a room ID.")
 
-        config_event = self.event_factory.create_event(
-            etype=RoomConfigEvent.TYPE,
-            room_id=room_id,
-            user_id=user_id,
-            content=config,
-        )
 
-        snapshot = yield self.store.snapshot_room(
-            room_id=room_id,
-            user_id=user_id,
-            state_type=RoomConfigEvent.TYPE,
-            state_key="",
+        user = self.hs.parse_userid(user_id)
+        creation_events = self._create_events_for_new_room(
+            user, room_id, is_public=is_public
         )
 
         if room_alias:
@@ -115,11 +111,18 @@ class RoomCreationHandler(BaseRoomHandler):
                 servers=[self.hs.hostname],
             )
 
-        yield self.state_handler.handle_new_event(config_event, snapshot)
-        # store_id = persist...
-
         federation_handler = self.hs.get_handlers().federation_handler
-        yield federation_handler.handle_new_event(config_event, snapshot)
+
+        for event in creation_events:
+            snapshot = yield self.store.snapshot_room(
+                room_id=room_id,
+                user_id=user_id,
+            )
+
+            logger.debug("Event: %s", event)
+
+            yield self.state_handler.handle_new_event(event, snapshot)
+            yield self._on_new_room_event(event, snapshot, extra_users=[user])
 
         content = {"membership": Membership.JOIN}
         join_event = self.event_factory.create_event(
@@ -142,6 +145,63 @@ class RoomCreationHandler(BaseRoomHandler):
 
         defer.returnValue(result)
 
+    def _create_events_for_new_room(self, creator, room_id, is_public=False):
+        event_keys = {
+            "room_id": room_id,
+            "user_id": creator.to_string(),
+            "required_power_level": 10,
+        }
+
+        def create(etype, **content):
+            return self.event_factory.create_event(
+                etype=etype,
+                content=content,
+                **event_keys
+            )
+
+        creation_event = create(
+            etype=RoomCreateEvent.TYPE,
+            creator=creator.to_string(),
+            default=0,
+        )
+
+        power_levels_event = self.event_factory.create_event(
+            etype=RoomPowerLevelsEvent.TYPE,
+            content={creator.to_string(): 10, "default": 0},
+            **event_keys
+        )
+
+        join_rule = JoinRules.PUBLIC if is_public else JoinRules.INVITE
+        join_rules_event = create(
+            etype=RoomJoinRulesEvent.TYPE,
+            join_rule=join_rule,
+        )
+
+        add_state_event = create(
+            etype=RoomAddStateLevelEvent.TYPE,
+            level=10,
+        )
+
+        send_event = create(
+            etype=RoomSendEventLevelEvent.TYPE,
+            level=0,
+        )
+
+        ops = create(
+            etype=RoomOpsPowerLevelsEvent.TYPE,
+            ban_level=5,
+            kick_level=5,
+        )
+
+        return [
+            creation_event,
+            power_levels_event,
+            join_rules_event,
+            add_state_event,
+            send_event,
+            ops,
+        ]
+
 
 class RoomMemberHandler(BaseRoomHandler):
     # TODO(paul): This handler currently contains a messy conflation of
@@ -285,6 +345,16 @@ class RoomMemberHandler(BaseRoomHandler):
             if do_auth:
                 yield self.auth.check(event, snapshot, raises=True)
 
+            # If we're banning someone, set a req power level
+            if event.membership == Membership.BAN:
+                if not hasattr(event, "required_power_level") or event.required_power_level is None:
+                    # Add some default required_power_level
+                    user_level = yield self.store.get_power_level(
+                        event.room_id,
+                        event.user_id,
+                    )
+                    event.required_power_level = user_level
+
             if prev_state and prev_state.membership == event.membership:
                 # double same action, treat this event as a NOOP.
                 defer.returnValue({})
@@ -445,10 +515,9 @@ class RoomMemberHandler(BaseRoomHandler):
             host = target_user.domain
             destinations.append(host)
 
-        # If we are joining a remote HS, include that.
-        if membership == Membership.JOIN:
-            host = target_user.domain
-            destinations.append(host)
+        # Always include target domain
+        host = target_user.domain
+        destinations.append(host)
 
         return self._on_new_room_event(
             event, snapshot, extra_destinations=destinations,
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 3ad6f3a4d6..7a441391f0 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -19,6 +19,10 @@ from synapse.api.events.room import (
     RoomMemberEvent, RoomTopicEvent, FeedbackEvent,
 #   RoomConfigEvent,
     RoomNameEvent,
+    RoomJoinRulesEvent,
+    RoomPowerLevelsEvent,
+    RoomAddStateLevelEvent,
+    RoomSendEventLevelEvent,
 )
 
 from synapse.util.logutils import log_function
@@ -123,13 +127,19 @@ class DataStore(RoomMemberStore, RoomStore,
         if event.type == RoomMemberEvent.TYPE:
             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)
+            self._store_feedback_txn(txn, event)
         elif event.type == RoomNameEvent.TYPE:
             self._store_room_name_txn(txn, event)
         elif event.type == RoomTopicEvent.TYPE:
             self._store_room_topic_txn(txn, event)
+        elif event.type == RoomJoinRulesEvent.TYPE:
+            self._store_join_rule(txn, event)
+        elif event.type == RoomPowerLevelsEvent.TYPE:
+            self._store_power_levels(txn, event)
+        elif event.type == RoomAddStateLevelEvent.TYPE:
+            self._store_add_state_level(txn, event)
+        elif event.type == RoomSendEventLevelEvent.TYPE:
+            self._store_send_event_level(txn, event)
 
         vals = {
             "topological_ordering": event.depth,
@@ -223,7 +233,6 @@ class DataStore(RoomMemberStore, RoomStore,
 
         defer.returnValue(self.min_token)
 
-
     def snapshot_room(self, room_id, user_id, state_type=None, state_key=None):
         """Snapshot the room for an update by a user
         Args:
diff --git a/synapse/storage/room.py b/synapse/storage/room.py
index d1f1a232f8..3ca07f4350 100644
--- a/synapse/storage/room.py
+++ b/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
@@ -129,6 +132,98 @@ class RoomStore(SQLBaseStore):
 
         defer.returnValue(ret)
 
+    @defer.inlineCallbacks
+    def get_room_join_rule(self, room_id):
+        sql = (
+            "SELECT join_rule FROM room_join_rules as r "
+            "INNER JOIN current_state_events as c "
+            "ON r.event_id = c.event_id "
+            "WHERE c.room_id = ? "
+        )
+
+        rows = yield self._execute(None, sql, room_id)
+
+        if len(rows) == 1:
+            defer.returnValue(rows[0][0])
+        else:
+            defer.returnValue(None)
+
+    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 "
+            "ON r.event_id = c.event_id "
+            "WHERE c.room_id = ? AND r.user_id = ? "
+        )
+
+        rows = txn.execute(sql, (room_id, user_id,)).fetchall()
+
+        if len(rows) == 1:
+            return rows[0][0]
+
+        sql = (
+            "SELECT level FROM room_default_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 rows[0][0]
+        else:
+            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)
+
+    def get_send_event_level(self, room_id):
+        return self._get_level_from_table("room_send_event_levels", room_id)
+
+    @defer.inlineCallbacks
+    def _get_level_from_table(self, table, room_id):
+        sql = (
+            "SELECT level FROM %(table)s as r "
+            "INNER JOIN current_state_events as c "
+            "ON r.event_id = c.event_id "
+            "WHERE c.room_id = ? "
+        ) % {"table": table}
+
+        rows = yield self._execute(None, sql, room_id)
+
+        if len(rows) == 1:
+            defer.returnValue(rows[0][0])
+        else:
+            defer.returnValue(None)
+
     def _store_room_topic_txn(self, txn, event):
         self._simple_insert_txn(
             txn,
@@ -151,6 +246,92 @@ class RoomStore(SQLBaseStore):
             }
         )
 
+    def _store_join_rule(self, txn, event):
+        self._simple_insert_txn(
+            txn,
+            "room_join_rules",
+            {
+                "event_id": event.event_id,
+                "room_id": event.room_id,
+                "join_rule": event.content["join_rule"],
+            },
+        )
+
+    def _store_power_levels(self, txn, event):
+        for user_id, level in event.content.items():
+            if user_id == "default":
+                self._simple_insert_txn(
+                    txn,
+                    "room_default_levels",
+                    {
+                        "event_id": event.event_id,
+                        "room_id": event.room_id,
+                        "level": level,
+                    },
+                )
+            else:
+                self._simple_insert_txn(
+                    txn,
+                    "room_power_levels",
+                    {
+                        "event_id": event.event_id,
+                        "room_id": event.room_id,
+                        "user_id": user_id,
+                        "level": level
+                    },
+                )
+
+    def _store_default_level(self, txn, event):
+        self._simple_insert_txn(
+            txn,
+            "room_default_levels",
+            {
+                "event_id": event.event_id,
+                "room_id": event.room_id,
+                "level": event.content["default_level"],
+            },
+        )
+
+    def _store_add_state_level(self, txn, event):
+        self._simple_insert_txn(
+            txn,
+            "room_add_state_levels",
+            {
+                "event_id": event.event_id,
+                "room_id": event.room_id,
+                "level": event.content["level"],
+            },
+        )
+
+    def _store_send_event_level(self, txn, event):
+        self._simple_insert_txn(
+            txn,
+            "room_send_event_levels",
+            {
+                "event_id": event.event_id,
+                "room_id": event.room_id,
+                "level": event.content["level"],
+            },
+        )
+
+    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"
diff --git a/synapse/storage/schema/im.sql b/synapse/storage/schema/im.sql
index e92f21ef3b..dbefbbda31 100644
--- a/synapse/storage/schema/im.sql
+++ b/synapse/storage/schema/im.sql
@@ -96,8 +96,71 @@ CREATE TABLE IF NOT EXISTS rooms(
     creator TEXT
 );
 
+CREATE TABLE IF NOT EXISTS room_join_rules(
+    event_id TEXT NOT NULL,
+    room_id TEXT NOT NULL,
+    join_rule TEXT NOT NULL
+);
+CREATE INDEX IF NOT EXISTS room_join_rules_event_id ON room_join_rules(event_id);
+CREATE INDEX IF NOT EXISTS room_join_rules_room_id ON room_join_rules(room_id);
+
+
+CREATE TABLE IF NOT EXISTS room_power_levels(
+    event_id TEXT NOT NULL,
+    room_id TEXT NOT NULL,
+    user_id TEXT NOT NULL,
+    level INTEGER NOT NULL
+);
+CREATE INDEX IF NOT EXISTS room_power_levels_event_id ON room_power_levels(event_id);
+CREATE INDEX IF NOT EXISTS room_power_levels_room_id ON room_power_levels(room_id);
+CREATE INDEX IF NOT EXISTS room_power_levels_room_user ON room_power_levels(room_id, user_id);
+
+
+CREATE TABLE IF NOT EXISTS room_default_levels(
+    event_id TEXT NOT NULL,
+    room_id TEXT NOT NULL,
+    level INTEGER NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS room_default_levels_event_id ON room_default_levels(event_id);
+CREATE INDEX IF NOT EXISTS room_default_levels_room_id ON room_default_levels(room_id);
+
+
+CREATE TABLE IF NOT EXISTS room_add_state_levels(
+    event_id TEXT NOT NULL,
+    room_id TEXT NOT NULL,
+    level INTEGER NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS room_add_state_levels_event_id ON room_add_state_levels(event_id);
+CREATE INDEX IF NOT EXISTS room_add_state_levels_room_id ON room_add_state_levels(room_id);
+
+
+CREATE TABLE IF NOT EXISTS room_send_event_levels(
+    event_id TEXT NOT NULL,
+    room_id TEXT NOT NULL,
+    level INTEGER NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS room_send_event_levels_event_id ON room_send_event_levels(event_id);
+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,
     CONSTRAINT room_hosts_uniq UNIQUE (room_id, host) ON CONFLICT IGNORE
 );
+
+CREATE INDEX IF NOT EXISTS room_hosts_room_id ON room_hosts (room_id);