diff --git a/synapse/appservice/__init__.py b/synapse/appservice/__init__.py
index f7178ea0d3..b1b91d0a55 100644
--- a/synapse/appservice/__init__.py
+++ b/synapse/appservice/__init__.py
@@ -14,6 +14,8 @@
# limitations under the License.
from synapse.api.constants import EventTypes
+from twisted.internet import defer
+
import logging
import re
@@ -138,65 +140,66 @@ class ApplicationService(object):
return regex_obj["exclusive"]
return False
- def _matches_user(self, event, member_list):
- if (hasattr(event, "sender") and
- self.is_interested_in_user(event.sender)):
- return True
+ @defer.inlineCallbacks
+ def _matches_user(self, event, store):
+ if not event:
+ defer.returnValue(False)
+
+ if self.is_interested_in_user(event.sender):
+ defer.returnValue(True)
# also check m.room.member state key
- if (hasattr(event, "type") and event.type == EventTypes.Member
- and hasattr(event, "state_key")
- and self.is_interested_in_user(event.state_key)):
- return True
+ if (event.type == EventTypes.Member and
+ self.is_interested_in_user(event.state_key)):
+ defer.returnValue(True)
+
+ if not store:
+ defer.returnValue(False)
+
+ member_list = yield store.get_users_in_room(event.room_id)
+
# check joined member events
for user_id in member_list:
if self.is_interested_in_user(user_id):
- return True
- return False
+ defer.returnValue(True)
+ defer.returnValue(False)
def _matches_room_id(self, event):
if hasattr(event, "room_id"):
return self.is_interested_in_room(event.room_id)
return False
- def _matches_aliases(self, event, alias_list):
+ @defer.inlineCallbacks
+ def _matches_aliases(self, event, store):
+ if not store or not event:
+ defer.returnValue(False)
+
+ alias_list = yield store.get_aliases_for_room(event.room_id)
for alias in alias_list:
if self.is_interested_in_alias(alias):
- return True
- return False
+ defer.returnValue(True)
+ defer.returnValue(False)
- def is_interested(self, event, restrict_to=None, aliases_for_event=None,
- member_list=None):
+ @defer.inlineCallbacks
+ def is_interested(self, event, store=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.
- member_list(list): A list of all joined user_ids in this room.
+ store(DataStore)
Returns:
bool: True if this service would like to know about this event.
"""
- if aliases_for_event is None:
- aliases_for_event = []
- if member_list is None:
- member_list = []
-
- if restrict_to and restrict_to not in ApplicationService.NS_LIST:
- # this is a programming error, so fail early and raise a general
- # exception
- raise Exception("Unexpected restrict_to value: %s". restrict_to)
-
- if not restrict_to:
- return (self._matches_user(event, member_list)
- or self._matches_aliases(event, aliases_for_event)
- or self._matches_room_id(event))
- elif restrict_to == ApplicationService.NS_ALIASES:
- return self._matches_aliases(event, aliases_for_event)
- elif restrict_to == ApplicationService.NS_ROOMS:
- return self._matches_room_id(event)
- elif restrict_to == ApplicationService.NS_USERS:
- return self._matches_user(event, member_list)
+ # Do cheap checks first
+ if self._matches_room_id(event):
+ defer.returnValue(True)
+
+ if (yield self._matches_aliases(event, store)):
+ defer.returnValue(True)
+
+ if (yield self._matches_user(event, store)):
+ defer.returnValue(True)
+
+ defer.returnValue(False)
def is_interested_in_user(self, user_id):
return (
diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py
index 48feae07b5..79805cdc2e 100644
--- a/synapse/handlers/appservice.py
+++ b/synapse/handlers/appservice.py
@@ -16,7 +16,6 @@
from twisted.internet import defer
from synapse.api.constants import EventTypes
-from synapse.appservice import ApplicationService
from synapse.util.metrics import Measure
import logging
@@ -107,11 +106,12 @@ class ApplicationServicesHandler(object):
association can be found.
"""
room_alias_str = room_alias.to_string()
- alias_query_services = yield self._get_services_for_event(
- event=None,
- restrict_to=ApplicationService.NS_ALIASES,
- alias_list=[room_alias_str]
- )
+ services = yield self.store.get_app_services()
+ alias_query_services = [
+ s for s in services if (
+ s.is_interested_in_alias(room_alias_str)
+ )
+ ]
for alias_service in alias_query_services:
is_known_alias = yield self.appservice_api.query_alias(
alias_service, room_alias_str
@@ -124,34 +124,19 @@ class ApplicationServicesHandler(object):
defer.returnValue(result)
@defer.inlineCallbacks
- def _get_services_for_event(self, event, restrict_to="", alias_list=None):
+ def _get_services_for_event(self, event):
"""Retrieve a list of application services interested in this event.
Args:
event(Event): The event to check. Can be None if alias_list is not.
- restrict_to(str): The namespace to restrict regex tests to.
- alias_list: A list of aliases to get services for. If None, this
- list is obtained from the database.
Returns:
list<ApplicationService>: A list of services interested in this
event based on the service regex.
"""
- member_list = None
- if hasattr(event, "room_id"):
- # We need to know the aliases associated with this event.room_id,
- # if any.
- if not alias_list:
- alias_list = yield self.store.get_aliases_for_room(
- event.room_id
- )
- # We need to know the members associated with this event.room_id,
- # if any.
- member_list = yield self.store.get_users_in_room(event.room_id)
-
services = yield self.store.get_app_services()
interested_list = [
s for s in services if (
- s.is_interested(event, restrict_to, alias_list, member_list)
+ yield s.is_interested(event, self.store)
)
]
defer.returnValue(interested_list)
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