From 94a5db9f4d400a345c5d8b9f7bacb0c9ccf99959 Mon Sep 17 00:00:00 2001
From: Kegan Dougal <kegan@matrix.org>
Date: Tue, 3 Feb 2015 14:44:16 +0000
Subject: Add appservice package and move ApplicationService into it.

---
 synapse/storage/appservice.py | 105 +-----------------------------------------
 1 file changed, 1 insertion(+), 104 deletions(-)

(limited to 'synapse/storage/appservice.py')

diff --git a/synapse/storage/appservice.py b/synapse/storage/appservice.py
index cdf26ee434..48bc7e0fe6 100644
--- a/synapse/storage/appservice.py
+++ b/synapse/storage/appservice.py
@@ -13,119 +13,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import logging
-import re
 from twisted.internet import defer
 
-from synapse.api.constants import EventTypes
 from synapse.api.errors import StoreError
+from synapse.appservice import ApplicationService
 from ._base import SQLBaseStore
 
 
 logger = logging.getLogger(__name__)
 
 
-# XXX: This feels like it should belong in a "models" module, not storage.
-class ApplicationService(object):
-    """Defines an application service.
-
-    Provides methods to check if this service is "interested" in events.
-    """
-    NS_USERS = "users"
-    NS_ALIASES = "aliases"
-    NS_ROOMS = "rooms"
-    # The ordering here is important as it is used to map database values (which
-    # are stored as ints representing the position in this list) to namespace
-    # values.
-    NS_LIST = [NS_USERS, NS_ALIASES, NS_ROOMS]
-
-    def __init__(self, token, url=None, namespaces=None):
-        self.token = token
-        self.url = url
-        self.namespaces = self._check_namespaces(namespaces)
-
-    def _check_namespaces(self, namespaces):
-        # Sanity check that it is of the form:
-        # {
-        #   users: ["regex",...],
-        #   aliases: ["regex",...],
-        #   rooms: ["regex",...],
-        # }
-        if not namespaces:
-            return None
-
-        for ns in ApplicationService.NS_LIST:
-            if type(namespaces[ns]) != list:
-                raise ValueError("Bad namespace value for '%s'", ns)
-            for regex in namespaces[ns]:
-                if not isinstance(regex, basestring):
-                    raise ValueError("Expected string regex for ns '%s'", ns)
-        return namespaces
-
-    def _matches_regex(self, test_string, namespace_key):
-        for regex in self.namespaces[namespace_key]:
-            if re.match(regex, test_string):
-                return True
-        return False
-
-    def _matches_user(self, event):
-        if (hasattr(event, "user_id") and
-                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, 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, ApplicationService.NS_ROOMS
-            )
-        return False
-
-    def _matches_aliases(self, event, alias_list):
-        for alias in alias_list:
-            if self._matches_regex(alias, ApplicationService.NS_ALIASES):
-                return True
-        return False
-
-    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:
-            bool: True if this service would like to know about this event.
-        """
-        if aliases_for_event is None:
-            aliases_for_event = []
-        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)
-                    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)
-
-    def __str__(self):
-        return "ApplicationService: %s" % (self.__dict__,)
-
-
 class ApplicationServiceCache(object):
     """Caches ApplicationServices and provides utility functions on top.
 
-- 
cgit 1.4.1