From a060b47b13037da56ed8db2978a297133c23fc7f Mon Sep 17 00:00:00 2001 From: Kegan Dougal Date: Tue, 3 Feb 2015 13:17:28 +0000 Subject: [PATCH] Add namespace constants. Add restrict_to option to limit namespace checks. --- synapse/handlers/appservice.py | 23 +++++++++++-------- synapse/storage/appservice.py | 41 ++++++++++++++++++++-------------- 2 files changed, 38 insertions(+), 26 deletions(-) diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py index 9b8dd1bb4..bf68b3339 100644 --- a/synapse/handlers/appservice.py +++ b/synapse/handlers/appservice.py @@ -52,11 +52,12 @@ class ApplicationServicesHandler(BaseHandler): logger.info("Unregister as_token=%s", token) yield self.store.unregister_app_service(token) - def get_services_for_event(self, event): + def get_services_for_event(self, event, restrict_to=""): """Retrieve a list of application services interested in this event. Args: event(Event): The event to check. + restrict_to(str): The namespace to restrict regex tests to. Returns: list: A list of services interested in this event based on the service regex. @@ -66,7 +67,7 @@ class ApplicationServicesHandler(BaseHandler): interested_list = [ s for s in self.store.get_app_services() if ( - s.is_interested(event, alias_list) + s.is_interested(event, restrict_to, alias_list) ) ] return interested_list @@ -80,11 +81,15 @@ class ApplicationServicesHandler(BaseHandler): Args: event(Event): The event to push out to interested services. """ - # TODO: Gather interested services - # get_services_for_event(event) <-- room IDs and user IDs - # Get a list of room aliases. Check regex. - # TODO: If unknown user: poke User Query API. - # TODO: If unknown room alias: poke Room Alias Query API. + # Gather interested services + services = self.get_services_for_event(event) + if len(services) == 0: + return # no services need notifying - # TODO: Fork off pushes to these services - XXX First cut, best effort - pass + # Do we know this user exists? If not, poke the user query API for + # all services which match that user regex. + + # Do we know this room alias exists? If not, poke the room alias query + # API for all services which match that room alias regex. + + # Fork off pushes to these services - XXX First cut, best effort diff --git a/synapse/storage/appservice.py b/synapse/storage/appservice.py index 07ed0adcf..277741fce 100644 --- a/synapse/storage/appservice.py +++ b/synapse/storage/appservice.py @@ -23,12 +23,6 @@ from ._base import SQLBaseStore logger = logging.getLogger(__name__) -namespace_enum = [ - "users", # 0 - "aliases", # 1 - "rooms" # 2 -] - # XXX: This feels like it should belong in a "models" module, not storage. class ApplicationService(object): @@ -36,6 +30,10 @@ class ApplicationService(object): Provides methods to check if this service is "interested" in events. """ + NS_USERS = "users" + NS_ALIASES = "aliases" + NS_ROOMS = "rooms" + NS_LIST = [NS_USERS, NS_ALIASES, NS_ROOMS] def __init__(self, token, url=None, namespaces=None): self.token = token @@ -52,7 +50,7 @@ class ApplicationService(object): if not namespaces: return None - for ns in ["users", "rooms", "aliases"]: + for ns in ApplicationService.NS_LIST: if type(namespaces[ns]) != list: raise ValueError("Bad namespace value for '%s'", ns) for regex in namespaces[ns]: @@ -68,31 +66,36 @@ class ApplicationService(object): def _matches_user(self, event): if (hasattr(event, "user_id") and - self._matches_regex(event.user_id, "users")): + self._matches_regex( + event.user_id, ApplicationService.NS_USERS)): return True # also check m.room.member state key if (hasattr(event, "type") and event.type == EventTypes.Member and hasattr(event, "state_key") - and self._matches_regex(event.state_key, "users")): + and self._matches_regex( + event.state_key, ApplicationService.NS_USERS)): return True return False def _matches_room_id(self, event): if hasattr(event, "room_id"): - return self._matches_regex(event.room_id, "rooms") + return self._matches_regex( + event.room_id, ApplicationService.NS_ROOMS + ) return False def _matches_aliases(self, event, alias_list): for alias in alias_list: - if self._matches_regex(alias, "aliases"): + if self._matches_regex(alias, ApplicationService.NS_ALIASES): return True return False - def is_interested(self, event, aliases_for_event=None): + def is_interested(self, event, restrict_to=None, aliases_for_event=None): """Check if this service is interested in this event. Args: event(Event): The event to check. + restrict_to(str): The namespace to restrict regex tests to. aliases_for_event(list): A list of all the known room aliases for this event. Returns: @@ -100,6 +103,9 @@ class ApplicationService(object): """ if aliases_for_event is None: aliases_for_event = [] + if restrict_to not in ApplicationService.NS_LIST: + # this is a programming error, so raise a general exception + raise Exception("Unexpected restrict_to value: %s". restrict_to) return (self._matches_user(event) or self._matches_aliases(event, aliases_for_event) @@ -215,7 +221,7 @@ class ApplicationServiceStore(SQLBaseStore): "DELETE FROM application_services_regex WHERE as_id=?", (as_id,) ) - for (ns_int, ns_str) in enumerate(namespace_enum): + for (ns_int, ns_str) in enumerate(ApplicationService.NS_LIST): if ns_str in service.namespaces: for regex in service.namespaces[ns_str]: txn.execute( @@ -285,9 +291,9 @@ class ApplicationServiceStore(SQLBaseStore): "url": res["url"], "token": as_token, "namespaces": { - "users": [], - "aliases": [], - "rooms": [] + ApplicationService.NS_USERS: [], + ApplicationService.NS_ALIASES: [], + ApplicationService.NS_ROOMS: [] } } # add the namespace regex if one exists @@ -295,7 +301,8 @@ class ApplicationServiceStore(SQLBaseStore): if ns_int is None: continue try: - services[as_token]["namespaces"][namespace_enum[ns_int]].append( + services[as_token]["namespaces"][ + ApplicationService.NS_LIST[ns_int]].append( res["regex"] ) except IndexError: