350 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			350 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Python
		
	
	
| # -*- coding: utf-8 -*-
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| # Copyright 2014 OpenMarket Ltd
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| 
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| from twisted.internet import defer
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| 
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| from sqlite3 import IntegrityError
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| 
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| from synapse.api.errors import StoreError
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| 
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| from ._base import SQLBaseStore, Table
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| 
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| import collections
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| import logging
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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| OpsLevel = collections.namedtuple("OpsLevel", ("ban_level", "kick_level", "redact_level"))
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| 
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| 
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| class RoomStore(SQLBaseStore):
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| 
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|     @defer.inlineCallbacks
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|     def store_room(self, room_id, room_creator_user_id, is_public):
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|         """Stores a room.
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| 
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|         Args:
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|             room_id (str): The desired room ID, can be None.
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|             room_creator_user_id (str): The user ID of the room creator.
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|             is_public (bool): True to indicate that this room should appear in
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|             public room lists.
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|         Raises:
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|             StoreError if the room could not be stored.
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|         """
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|         try:
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|             yield self._simple_insert(RoomsTable.table_name, dict(
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|                 room_id=room_id,
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|                 creator=room_creator_user_id,
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|                 is_public=is_public
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|             ))
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|         except IntegrityError:
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|             raise StoreError(409, "Room ID in use.")
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|         except Exception as e:
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|             logger.error("store_room with room_id=%s failed: %s", room_id, e)
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|             raise StoreError(500, "Problem creating room.")
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| 
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|     def store_room_config(self, room_id, visibility):
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|         return self._simple_update_one(
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|             table=RoomsTable.table_name,
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|             keyvalues={"room_id": room_id},
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|             updatevalues={"is_public": visibility}
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|         )
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| 
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|     def get_room(self, room_id):
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|         """Retrieve a room.
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| 
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|         Args:
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|             room_id (str): The ID of the room to retrieve.
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|         Returns:
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|             A namedtuple containing the room information, or an empty list.
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|         """
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|         query = RoomsTable.select_statement("room_id=?")
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|         return self._execute(
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|             RoomsTable.decode_single_result, query, room_id,
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|         )
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| 
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|     @defer.inlineCallbacks
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|     def get_rooms(self, is_public):
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|         """Retrieve a list of all public rooms.
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| 
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|         Args:
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|             is_public (bool): True if the rooms returned should be public.
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|         Returns:
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|             A list of room dicts containing at least a "room_id" key, a
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|             "topic" key if one is set, and a "name" key if one is set
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|         """
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| 
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|         topic_subquery = (
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|             "SELECT topics.event_id as event_id, "
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|             "topics.room_id as room_id, topic "
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|             "FROM topics "
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|             "INNER JOIN current_state_events as c "
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|             "ON c.event_id = topics.event_id "
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|         )
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| 
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|         name_subquery = (
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|             "SELECT room_names.event_id as event_id, "
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|             "room_names.room_id as room_id, name "
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|             "FROM room_names "
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|             "INNER JOIN current_state_events as c "
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|             "ON c.event_id = room_names.event_id "
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|         )
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| 
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|         # We use non printing ascii character US () as a seperator
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|         sql = (
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|             "SELECT r.room_id, n.name, t.topic, "
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|             "group_concat(a.room_alias, '') "
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|             "FROM rooms AS r "
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|             "LEFT JOIN (%(topic)s) AS t ON t.room_id = r.room_id "
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|             "LEFT JOIN (%(name)s) AS n ON n.room_id = r.room_id "
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|             "INNER JOIN room_aliases AS a ON a.room_id = r.room_id "
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|             "WHERE r.is_public = ? "
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|             "GROUP BY r.room_id "
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|         ) % {
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|             "topic": topic_subquery,
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|             "name": name_subquery,
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|         }
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| 
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|         rows = yield self._execute(None, sql, is_public)
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| 
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|         ret = [
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|             {
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|                 "room_id": r[0],
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|                 "name": r[1],
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|                 "topic": r[2],
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|                 "aliases": r[3].split(""),
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|             }
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|             for r in rows
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|         ]
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| 
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|         defer.returnValue(ret)
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| 
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|     @defer.inlineCallbacks
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|     def get_room_join_rule(self, room_id):
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|         sql = (
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|             "SELECT join_rule FROM room_join_rules as r "
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|             "INNER JOIN current_state_events as c "
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|             "ON r.event_id = c.event_id "
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|             "WHERE c.room_id = ? "
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|         )
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| 
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|         rows = yield self._execute(None, sql, room_id)
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| 
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|         if len(rows) == 1:
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|             defer.returnValue(rows[0][0])
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|         else:
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|             defer.returnValue(None)
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| 
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|     def get_power_level(self, room_id, user_id):
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|         return self.runInteraction(
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|             self._get_power_level,
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|             room_id, user_id,
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|         )
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| 
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|     def _get_power_level(self, txn, room_id, user_id):
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|         sql = (
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|             "SELECT level FROM room_power_levels as r "
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|             "INNER JOIN current_state_events as c "
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|             "ON r.event_id = c.event_id "
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|             "WHERE c.room_id = ? AND r.user_id = ? "
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|         )
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| 
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|         rows = txn.execute(sql, (room_id, user_id,)).fetchall()
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| 
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|         if len(rows) == 1:
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|             return rows[0][0]
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| 
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|         sql = (
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|             "SELECT level FROM room_default_levels as r "
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|             "INNER JOIN current_state_events as c "
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|             "ON r.event_id = c.event_id "
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|             "WHERE c.room_id = ? "
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|         )
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| 
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|         rows = txn.execute(sql, (room_id,)).fetchall()
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| 
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|         if len(rows) == 1:
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|             return rows[0][0]
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|         else:
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|             return None
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| 
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|     def get_ops_levels(self, room_id):
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|         return self.runInteraction(
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|             self._get_ops_levels,
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|             room_id,
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|         )
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| 
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|     def _get_ops_levels(self, txn, room_id):
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|         sql = (
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|             "SELECT ban_level, kick_level, redact_level "
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|             "FROM room_ops_levels as r "
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|             "INNER JOIN current_state_events as c "
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|             "ON r.event_id = c.event_id "
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|             "WHERE c.room_id = ? "
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|         )
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| 
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|         rows = txn.execute(sql, (room_id,)).fetchall()
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| 
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|         if len(rows) == 1:
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|             return OpsLevel(rows[0][0], rows[0][1], rows[0][2])
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|         else:
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|             return OpsLevel(None, None)
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| 
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|     def get_add_state_level(self, room_id):
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|         return self._get_level_from_table("room_add_state_levels", room_id)
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| 
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|     def get_send_event_level(self, room_id):
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|         return self._get_level_from_table("room_send_event_levels", room_id)
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| 
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|     @defer.inlineCallbacks
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|     def _get_level_from_table(self, table, room_id):
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|         sql = (
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|             "SELECT level FROM %(table)s as r "
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|             "INNER JOIN current_state_events as c "
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|             "ON r.event_id = c.event_id "
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|             "WHERE c.room_id = ? "
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|         ) % {"table": table}
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| 
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|         rows = yield self._execute(None, sql, room_id)
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| 
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|         if len(rows) == 1:
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|             defer.returnValue(rows[0][0])
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|         else:
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|             defer.returnValue(None)
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| 
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|     def _store_room_topic_txn(self, txn, event):
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|         self._simple_insert_txn(
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|             txn,
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|             "topics",
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|             {
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|                 "event_id": event.event_id,
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|                 "room_id": event.room_id,
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|                 "topic": event.topic,
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|             }
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|         )
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| 
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|     def _store_room_name_txn(self, txn, event):
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|         self._simple_insert_txn(
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|             txn,
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|             "room_names",
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|             {
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|                 "event_id": event.event_id,
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|                 "room_id": event.room_id,
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|                 "name": event.name,
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|             }
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|         )
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| 
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|     def _store_join_rule(self, txn, event):
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|         self._simple_insert_txn(
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|             txn,
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|             "room_join_rules",
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|             {
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|                 "event_id": event.event_id,
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|                 "room_id": event.room_id,
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|                 "join_rule": event.content["join_rule"],
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|             },
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|         )
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| 
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|     def _store_power_levels(self, txn, event):
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|         for user_id, level in event.content.items():
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|             if user_id == "default":
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|                 self._simple_insert_txn(
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|                     txn,
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|                     "room_default_levels",
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|                     {
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|                         "event_id": event.event_id,
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|                         "room_id": event.room_id,
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|                         "level": level,
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|                     },
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|                 )
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|             else:
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|                 self._simple_insert_txn(
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|                     txn,
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|                     "room_power_levels",
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|                     {
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|                         "event_id": event.event_id,
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|                         "room_id": event.room_id,
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|                         "user_id": user_id,
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|                         "level": level
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|                     },
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|                 )
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| 
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|     def _store_default_level(self, txn, event):
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|         self._simple_insert_txn(
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|             txn,
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|             "room_default_levels",
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|             {
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|                 "event_id": event.event_id,
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|                 "room_id": event.room_id,
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|                 "level": event.content["default_level"],
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|             },
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|         )
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| 
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|     def _store_add_state_level(self, txn, event):
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|         self._simple_insert_txn(
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|             txn,
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|             "room_add_state_levels",
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|             {
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|                 "event_id": event.event_id,
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|                 "room_id": event.room_id,
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|                 "level": event.content["level"],
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|             },
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|         )
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| 
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|     def _store_send_event_level(self, txn, event):
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|         self._simple_insert_txn(
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|             txn,
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|             "room_send_event_levels",
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|             {
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|                 "event_id": event.event_id,
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|                 "room_id": event.room_id,
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|                 "level": event.content["level"],
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|             },
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|         )
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| 
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|     def _store_ops_level(self, txn, event):
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|         content = {
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|             "event_id": event.event_id,
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|             "room_id": event.room_id,
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|         }
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| 
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|         if "kick_level" in event.content:
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|             content["kick_level"] = event.content["kick_level"]
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| 
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|         if "ban_level" in event.content:
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|             content["ban_level"] = event.content["ban_level"]
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| 
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|         if "redact_level" in event.content:
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|             content["redact_level"] = event.content["redact_level"]
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| 
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|         self._simple_insert_txn(
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|             txn,
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|             "room_ops_levels",
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|             content,
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|         )
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| 
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| 
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| class RoomsTable(Table):
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|     table_name = "rooms"
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| 
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|     fields = [
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|         "room_id",
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|         "is_public",
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|         "creator"
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|     ]
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| 
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|     EntryType = collections.namedtuple("RoomEntry", fields)
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