Merge pull request #773 from matrix-org/erikj/get_domian_from_id

Add and use get_domain_from_id

3 files changed, 9 insertions, 15 deletions

diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py
index 13a675b208..287024c1ca 100644
--- a/synapse/handlers/_base.py
+++ b/synapse/handlers/_base.py
@@ -18,7 +18,7 @@ from twisted.internet import defer
 from synapse.api.errors import LimitExceededError, SynapseError, AuthError
 from synapse.crypto.event_signing import add_hashes_and_signatures
 from synapse.api.constants import Membership, EventTypes
-from synapse.types import UserID, RoomAlias, Requester
+from synapse.types import UserID, RoomAlias, Requester, get_domian_from_id
 from synapse.push.action_generator import ActionGenerator
 
 from synapse.util.logcontext import PreserveLoggingContext, preserve_fn
@@ -296,7 +296,7 @@ class BaseHandler(object):
                 return True
         for (state_key, membership) in room_members:
             if (
-                UserID.from_string(state_key).domain == self.hs.hostname
+                self.hs.is_mine_id(state_key)
                 and membership == Membership.JOIN
             ):
                 return True
@@ -421,9 +421,7 @@ class BaseHandler(object):
             try:
                 if k[0] == EventTypes.Member:
                     if s.content["membership"] == Membership.JOIN:
-                        destinations.add(
-                            UserID.from_string(s.state_key).domain
-                        )
+                        destinations.add(get_domian_from_id(s.state_key))
             except SynapseError:
                 logger.warn(
                     "Failed to get destination from event %s", s.event_id
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index d95e0b23b1..f38c6a8713 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -33,7 +33,7 @@ from synapse.util.frozenutils import unfreeze
 from synapse.crypto.event_signing import (
     compute_event_signature, add_hashes_and_signatures,
 )
-from synapse.types import UserID
+from synapse.types import UserID, get_domian_from_id
 
 from synapse.events.utils import prune_event
 
@@ -453,7 +453,7 @@ class FederationHandler(BaseHandler):
             joined_domains = {}
             for u, d in joined_users:
                 try:
-                    dom = UserID.from_string(u).domain
+                    dom = get_domian_from_id(u)
                     old_d = joined_domains.get(dom)
                     if old_d:
                         joined_domains[dom] = min(d, old_d)
@@ -743,9 +743,7 @@ class FederationHandler(BaseHandler):
             try:
                 if k[0] == EventTypes.Member:
                     if s.content["membership"] == Membership.JOIN:
-                        destinations.add(
-                            UserID.from_string(s.state_key).domain
-                        )
+                        destinations.add(get_domian_from_id(s.state_key))
             except:
                 logger.warn(
                     "Failed to get destination from event %s", s.event_id
@@ -970,9 +968,7 @@ class FederationHandler(BaseHandler):
             try:
                 if k[0] == EventTypes.Member:
                     if s.content["membership"] == Membership.LEAVE:
-                        destinations.add(
-                            UserID.from_string(s.state_key).domain
-                        )
+                        destinations.add(get_domian_from_id(s.state_key))
             except:
                 logger.warn(
                     "Failed to get destination from event %s", s.event_id
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index 639567953a..a8529cce42 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -33,7 +33,7 @@ from synapse.util.logcontext import preserve_fn
 from synapse.util.logutils import log_function
 from synapse.util.metrics import Measure
 from synapse.util.wheel_timer import WheelTimer
-from synapse.types import UserID
+from synapse.types import UserID, get_domian_from_id
 import synapse.metrics
 
 from ._base import BaseHandler
@@ -440,7 +440,7 @@ class PresenceHandler(BaseHandler):
             if not local_states:
                 continue
 
-            host = UserID.from_string(user_id).domain
+            host = get_domian_from_id(user_id)
             hosts_to_states.setdefault(host, []).extend(local_states)
 
         # TODO: de-dup hosts_to_states, as a single host might have multiple