diff options
Diffstat (limited to 'synapse/storage/appservice.py')
| -rw-r--r-- | synapse/storage/appservice.py | 138 |
1 files changed, 116 insertions, 22 deletions
diff --git a/synapse/storage/appservice.py b/synapse/storage/appservice.py index d941b1f387..e30265750a 100644 --- a/synapse/storage/appservice.py +++ b/synapse/storage/appservice.py @@ -13,34 +13,32 @@ # See the License for the specific language governing permissions and # limitations under the License. import logging +import simplejson +from simplejson import JSONDecodeError from twisted.internet import defer +from synapse.api.constants import Membership from synapse.api.errors import StoreError from synapse.appservice import ApplicationService +from synapse.storage.roommember import RoomsForUser from ._base import SQLBaseStore logger = logging.getLogger(__name__) -class ApplicationServiceCache(object): - """Caches ApplicationServices and provides utility functions on top. - - This class is designed to be invoked on incoming events in order to avoid - hammering the database every time to extract a list of application service - regexes. - """ - - def __init__(self): - self.services = [] +def log_failure(failure): + logger.error("Failed to detect application services: %s", failure.value) + logger.error(failure.getTraceback()) class ApplicationServiceStore(SQLBaseStore): def __init__(self, hs): super(ApplicationServiceStore, self).__init__(hs) - self.cache = ApplicationServiceCache() + self.services_cache = [] self.cache_defer = self._populate_cache() + self.cache_defer.addErrback(log_failure) @defer.inlineCallbacks def unregister_app_service(self, token): @@ -56,7 +54,7 @@ class ApplicationServiceStore(SQLBaseStore): token, ) # update cache TODO: Should this be in the txn? - for service in self.cache.services: + for service in self.services_cache: if service.token == token: service.url = None service.namespaces = None @@ -110,13 +108,13 @@ class ApplicationServiceStore(SQLBaseStore): ) # update cache TODO: Should this be in the txn? - for (index, cache_service) in enumerate(self.cache.services): + for (index, cache_service) in enumerate(self.services_cache): if service.token == cache_service.token: - self.cache.services[index] = service + self.services_cache[index] = service logger.info("Updated: %s", service) return # new entry - self.cache.services.append(service) + self.services_cache.append(service) logger.info("Updated(new): %s", service) def _update_app_service_txn(self, txn, service): @@ -140,11 +138,11 @@ class ApplicationServiceStore(SQLBaseStore): ) for (ns_int, ns_str) in enumerate(ApplicationService.NS_LIST): if ns_str in service.namespaces: - for regex in service.namespaces[ns_str]: + for regex_obj in service.namespaces[ns_str]: txn.execute( "INSERT INTO application_services_regex(" "as_id, namespace, regex) values(?,?,?)", - (as_id, ns_int, regex) + (as_id, ns_int, simplejson.dumps(regex_obj)) ) return True @@ -160,11 +158,34 @@ class ApplicationServiceStore(SQLBaseStore): @defer.inlineCallbacks def get_app_services(self): yield self.cache_defer # make sure the cache is ready - defer.returnValue(self.cache.services) + defer.returnValue(self.services_cache) + + @defer.inlineCallbacks + def get_app_service_by_user_id(self, user_id): + """Retrieve an application service from their user ID. + + All application services have associated with them a particular user ID. + There is no distinguishing feature on the user ID which indicates it + represents an application service. This function allows you to map from + a user ID to an application service. + + Args: + user_id(str): The user ID to see if it is an application service. + Returns: + synapse.appservice.ApplicationService or None. + """ + + yield self.cache_defer # make sure the cache is ready + + for service in self.services_cache: + if service.sender == user_id: + defer.returnValue(service) + return + defer.returnValue(None) @defer.inlineCallbacks def get_app_service_by_token(self, token, from_cache=True): - """Get the application service with the given token. + """Get the application service with the given appservice token. Args: token (str): The application service token. @@ -176,7 +197,7 @@ class ApplicationServiceStore(SQLBaseStore): yield self.cache_defer # make sure the cache is ready if from_cache: - for service in self.cache.services: + for service in self.services_cache: if service.token == token: defer.returnValue(service) return @@ -185,6 +206,77 @@ class ApplicationServiceStore(SQLBaseStore): # TODO: The from_cache=False impl # TODO: This should be JOINed with the application_services_regex table. + def get_app_service_rooms(self, service): + """Get a list of RoomsForUser for this application service. + + Application services may be "interested" in lots of rooms depending on + the room ID, the room aliases, or the members in the room. This function + takes all of these into account and returns a list of RoomsForUser which + represent the entire list of room IDs that this application service + wants to know about. + + Args: + service: The application service to get a room list for. + Returns: + A list of RoomsForUser. + """ + return self.runInteraction( + "get_app_service_rooms", + self._get_app_service_rooms_txn, + service, + ) + + def _get_app_service_rooms_txn(self, txn, service): + # get all rooms matching the room ID regex. + room_entries = self._simple_select_list_txn( + txn=txn, table="rooms", keyvalues=None, retcols=["room_id"] + ) + matching_room_list = set([ + r["room_id"] for r in room_entries if + service.is_interested_in_room(r["room_id"]) + ]) + + # resolve room IDs for matching room alias regex. + room_alias_mappings = self._simple_select_list_txn( + txn=txn, table="room_aliases", keyvalues=None, + retcols=["room_id", "room_alias"] + ) + matching_room_list |= set([ + r["room_id"] for r in room_alias_mappings if + service.is_interested_in_alias(r["room_alias"]) + ]) + + # get all rooms for every user for this AS. This is scoped to users on + # this HS only. + user_list = self._simple_select_list_txn( + txn=txn, table="users", keyvalues=None, retcols=["name"] + ) + user_list = [ + u["name"] for u in user_list if + service.is_interested_in_user(u["name"]) + ] + rooms_for_user_matching_user_id = set() # RoomsForUser list + for user_id in user_list: + # FIXME: This assumes this store is linked with RoomMemberStore :( + rooms_for_user = self._get_rooms_for_user_where_membership_is_txn( + txn=txn, + user_id=user_id, + membership_list=[Membership.JOIN] + ) + rooms_for_user_matching_user_id |= set(rooms_for_user) + + # make RoomsForUser tuples for room ids and aliases which are not in the + # main rooms_for_user_list - e.g. they are rooms which do not have AS + # registered users in it. + known_room_ids = [r.room_id for r in rooms_for_user_matching_user_id] + missing_rooms_for_user = [ + RoomsForUser(r, service.sender, "join") for r in + matching_room_list if r not in known_room_ids + ] + rooms_for_user_matching_user_id |= set(missing_rooms_for_user) + + return rooms_for_user_matching_user_id + @defer.inlineCallbacks def _populate_cache(self): """Populates the ApplicationServiceCache from the database.""" @@ -227,15 +319,17 @@ class ApplicationServiceStore(SQLBaseStore): try: services[as_token]["namespaces"][ ApplicationService.NS_LIST[ns_int]].append( - res["regex"] + simplejson.loads(res["regex"]) ) except IndexError: logger.error("Bad namespace enum '%s'. %s", ns_int, res) + except JSONDecodeError: + logger.error("Bad regex object '%s'", res["regex"]) # TODO get last successful txn id f.e. service for service in services.values(): logger.info("Found application service: %s", service) - self.cache.services.append(ApplicationService( + self.services_cache.append(ApplicationService( token=service["token"], url=service["url"], namespaces=service["namespaces"], |