288 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			288 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			Python
		
	
	
| # -*- coding: utf-8 -*-
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| # Copyright 2014, 2015 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 synapse.api.errors import StoreError
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| 
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| from ._base import SQLBaseStore
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| from synapse.util.caches.descriptors import cachedInlineCallbacks
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| from .engines import PostgresEngine, Sqlite3Engine
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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(
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|     "OpsLevel",
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|     ("ban_level", "kick_level", "redact_level",)
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| )
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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(
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|                 RoomsTable.table_name,
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|                 {
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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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|                 desc="store_room",
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|             )
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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 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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|         return self._simple_select_one(
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|             table=RoomsTable.table_name,
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|             keyvalues={"room_id": room_id},
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|             retcols=RoomsTable.fields,
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|             desc="get_room",
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|             allow_none=True,
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|         )
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| 
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|     def get_public_room_ids(self):
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|         return self._simple_select_onecol(
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|             table="rooms",
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|             keyvalues={
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|                 "is_public": True,
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|             },
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|             retcol="room_id",
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|             desc="get_public_room_ids",
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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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|         def f(txn):
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|             def subquery(table_name, column_name=None):
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|                 column_name = column_name or table_name
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|                 return (
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|                     "SELECT %(table_name)s.event_id as event_id, "
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|                     "%(table_name)s.room_id as room_id, %(column_name)s "
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|                     "FROM %(table_name)s "
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|                     "INNER JOIN current_state_events as c "
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|                     "ON c.event_id = %(table_name)s.event_id " % {
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|                         "column_name": column_name,
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|                         "table_name": table_name,
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|                     }
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|                 )
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| 
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|             sql = (
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|                 "SELECT"
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|                 "    r.room_id,"
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|                 "    max(n.name),"
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|                 "    max(t.topic),"
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|                 "    max(v.history_visibility),"
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|                 "    max(g.guest_access)"
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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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|                 " LEFT JOIN (%(history_visibility)s) AS v ON v.room_id = r.room_id"
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|                 " LEFT JOIN (%(guest_access)s) AS g ON g.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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|                     "topic": subquery("topics", "topic"),
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|                     "name": subquery("room_names", "name"),
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|                     "history_visibility": subquery("history_visibility"),
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|                     "guest_access": subquery("guest_access"),
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|                 }
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|             )
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| 
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|             txn.execute(sql, (is_public,))
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| 
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|             rows = txn.fetchall()
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| 
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|             for i, row in enumerate(rows):
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|                 room_id = row[0]
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|                 aliases = self._simple_select_onecol_txn(
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|                     txn,
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|                     table="room_aliases",
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|                     keyvalues={
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|                         "room_id": room_id
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|                     },
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|                     retcol="room_alias",
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|                 )
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| 
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|                 rows[i] = list(row) + [aliases]
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| 
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|             return rows
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| 
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|         rows = yield self.runInteraction(
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|             "get_rooms", f
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|         )
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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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|                 "world_readable": r[3] == "world_readable",
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|                 "guest_can_join": r[4] == "can_join",
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|                 "aliases": r[5],
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|             }
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|             for r in rows
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|             if r[5]  # We only return rooms that have at least one alias.
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|         ]
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| 
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|         defer.returnValue(ret)
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| 
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|     def _store_room_topic_txn(self, txn, event):
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|         if hasattr(event, "content") and "topic" in event.content:
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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.content["topic"],
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|                 },
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|             )
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| 
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|             self._store_event_search_txn(
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|                 txn, event, "content.topic", event.content["topic"]
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|             )
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| 
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|     def _store_room_name_txn(self, txn, event):
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|         if hasattr(event, "content") and "name" in event.content:
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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.content["name"],
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|                 }
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|             )
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| 
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|             self._store_event_search_txn(
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|                 txn, event, "content.name", event.content["name"]
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|             )
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| 
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|     def _store_room_message_txn(self, txn, event):
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|         if hasattr(event, "content") and "body" in event.content:
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|             self._store_event_search_txn(
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|                 txn, event, "content.body", event.content["body"]
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|             )
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| 
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|     def _store_history_visibility_txn(self, txn, event):
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|         self._store_content_index_txn(txn, event, "history_visibility")
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| 
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|     def _store_guest_access_txn(self, txn, event):
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|         self._store_content_index_txn(txn, event, "guest_access")
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| 
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|     def _store_content_index_txn(self, txn, event, key):
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|         if hasattr(event, "content") and key in event.content:
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|             sql = (
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|                 "INSERT INTO %(key)s"
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|                 " (event_id, room_id, %(key)s)"
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|                 " VALUES (?, ?, ?)" % {"key": key}
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|             )
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|             txn.execute(sql, (
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|                 event.event_id,
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|                 event.room_id,
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|                 event.content[key]
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|             ))
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| 
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|     def _store_event_search_txn(self, txn, event, key, value):
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|         if isinstance(self.database_engine, PostgresEngine):
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|             sql = (
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|                 "INSERT INTO event_search (event_id, room_id, key, vector)"
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|                 " VALUES (?,?,?,to_tsvector('english', ?))"
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|             )
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|         elif isinstance(self.database_engine, Sqlite3Engine):
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|             sql = (
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|                 "INSERT INTO event_search (event_id, room_id, key, value)"
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|                 " VALUES (?,?,?,?)"
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|             )
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|         else:
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|             # This should be unreachable.
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|             raise Exception("Unrecognized database engine")
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| 
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|         txn.execute(sql, (event.event_id, event.room_id, key, value,))
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| 
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|     @cachedInlineCallbacks()
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|     def get_room_name_and_aliases(self, room_id):
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|         def f(txn):
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|             sql = (
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|                 "SELECT event_id FROM current_state_events "
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|                 "WHERE room_id = ? "
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|             )
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| 
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|             sql += " AND ((type = 'm.room.name' AND state_key = '')"
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|             sql += " OR type = 'm.room.aliases')"
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| 
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|             txn.execute(sql, (room_id,))
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|             results = self.cursor_to_dict(txn)
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| 
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|             return self._parse_events_txn(txn, results)
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| 
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|         events = yield self.runInteraction("get_room_name_and_aliases", f)
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| 
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|         name = None
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|         aliases = []
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| 
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|         for e in events:
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|             if e.type == 'm.room.name':
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|                 if 'name' in e.content:
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|                     name = e.content['name']
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|             elif e.type == 'm.room.aliases':
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|                 if 'aliases' in e.content:
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|                     aliases.extend(e.content['aliases'])
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| 
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|         defer.returnValue((name, aliases))
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| 
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| 
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| class RoomsTable(object):
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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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