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-rw-r--r--synapse/api/auth.py6
-rw-r--r--synapse/federation/federation_client.py6
-rw-r--r--synapse/federation/federation_server.py6
-rw-r--r--synapse/handlers/_base.py6
-rw-r--r--synapse/handlers/federation.py13
-rw-r--r--synapse/rest/client/v1/room.py11
-rw-r--r--synapse/util/third_party_invites.py69
-rw-r--r--synapse/util/thirdpartyinvites.py68
8 files changed, 94 insertions, 91 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index c0762df567..e96d747b99 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -22,7 +22,7 @@ from synapse.api.constants import EventTypes, Membership, JoinRules
 from synapse.api.errors import AuthError, Codes, SynapseError
 from synapse.types import RoomID, UserID, EventID
 from synapse.util.logutils import log_function
-from synapse.util.thirdpartyinvites import ThirdPartyInvites
+from synapse.util import third_party_invites
 from unpaddedbase64 import decode_base64
 
 import logging
@@ -389,7 +389,7 @@ class Auth(object):
             True if the event fulfills the expectations of a previous third party
             invite event.
         """
-        if not ThirdPartyInvites.join_has_third_party_invite(event.content):
+        if not third_party_invites.join_has_third_party_invite(event.content):
             return False
         join_third_party_invite = event.content["third_party_invite"]
         token = join_third_party_invite["token"]
@@ -692,7 +692,7 @@ class Auth(object):
             if e_type == Membership.JOIN:
                 if member_event and not is_public:
                     auth_ids.append(member_event.event_id)
-                if ThirdPartyInvites.join_has_third_party_invite(event.content):
+                if third_party_invites.join_has_third_party_invite(event.content):
                     key = (
                         EventTypes.ThirdPartyInvite,
                         event.content["third_party_invite"]["token"]
diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py
index 6be83d82e7..d974e920c3 100644
--- a/synapse/federation/federation_client.py
+++ b/synapse/federation/federation_client.py
@@ -25,7 +25,7 @@ from synapse.api.errors import (
 from synapse.util import unwrapFirstError
 from synapse.util.caches.expiringcache import ExpiringCache
 from synapse.util.logutils import log_function
-from synapse.util.thirdpartyinvites import ThirdPartyInvites
+from synapse.util import third_party_invites
 from synapse.events import FrozenEvent
 import synapse.metrics
 
@@ -363,8 +363,8 @@ class FederationClient(FederationBase):
                 continue
 
             args = {}
-            if ThirdPartyInvites.join_has_third_party_invite(content):
-                ThirdPartyInvites.copy_join_keys(content["third_party_invite"], args)
+            if third_party_invites.join_has_third_party_invite(content):
+                args = third_party_invites.extract_join_keys(content)
             try:
                 ret = yield self.transport_layer.make_join(
                     destination, room_id, user_id, args
diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py
index d71ab44271..7934f740e0 100644
--- a/synapse/federation/federation_server.py
+++ b/synapse/federation/federation_server.py
@@ -27,7 +27,7 @@ from synapse.api.errors import FederationError, SynapseError, Codes
 
 from synapse.crypto.event_signing import compute_event_signature
 
-from synapse.util.thirdpartyinvites import ThirdPartyInvites
+from synapse.util import third_party_invites
 
 import simplejson as json
 import logging
@@ -232,8 +232,8 @@ class FederationServer(FederationBase):
     @defer.inlineCallbacks
     def on_make_join_request(self, room_id, user_id, query):
         threepid_details = {}
-        if ThirdPartyInvites.has_join_keys(query):
-            for k in ThirdPartyInvites.JOIN_KEYS:
+        if third_party_invites.has_join_keys(query):
+            for k in third_party_invites.JOIN_KEYS:
                 if not isinstance(query[k], list) or len(query[k]) != 1:
                     raise FederationError(
                         "FATAL",
diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py
index 4165c56bed..97edec6ec6 100644
--- a/synapse/handlers/_base.py
+++ b/synapse/handlers/_base.py
@@ -21,7 +21,7 @@ from synapse.api.constants import Membership, EventTypes
 from synapse.types import UserID, RoomAlias
 
 from synapse.util.logcontext import PreserveLoggingContext
-from synapse.util.thirdpartyinvites import ThirdPartyInvites
+from synapse.util import third_party_invites
 
 import logging
 
@@ -127,9 +127,9 @@ class BaseHandler(object):
         if (
             event.type == EventTypes.Member and
             event.content["membership"] == Membership.JOIN and
-            ThirdPartyInvites.join_has_third_party_invite(event.content)
+            third_party_invites.join_has_third_party_invite(event.content)
         ):
-            yield ThirdPartyInvites.check_key_valid(
+            yield third_party_invites.check_key_valid(
                 self.hs.get_simple_http_client(),
                 event
             )
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index f10e5192e2..2b3c4cec8e 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -39,7 +39,7 @@ from twisted.internet import defer
 
 import itertools
 import logging
-from synapse.util.thirdpartyinvites import ThirdPartyInvites
+from synapse.util import third_party_invites
 
 logger = logging.getLogger(__name__)
 
@@ -704,9 +704,10 @@ class FederationHandler(BaseHandler):
         process it until the other server has signed it and sent it back.
         """
         event_content = {"membership": Membership.JOIN}
-        if ThirdPartyInvites.has_join_keys(query):
-            event_content["third_party_invite"] = {}
-            ThirdPartyInvites.copy_join_keys(query, event_content["third_party_invite"])
+        if third_party_invites.has_join_keys(query):
+            event_content["third_party_invite"] = (
+                third_party_invites.extract_join_keys(query)
+            )
 
         builder = self.event_builder_factory.new({
             "type": EventTypes.Member,
@@ -722,8 +723,8 @@ class FederationHandler(BaseHandler):
 
         self.auth.check(event, auth_events=context.current_state)
 
-        if ThirdPartyInvites.join_has_third_party_invite(event.content):
-            ThirdPartyInvites.check_key_valid(self.hs.get_simple_http_client(), event)
+        if third_party_invites.join_has_third_party_invite(event.content):
+            third_party_invites.check_key_valid(self.hs.get_simple_http_client(), event)
 
         defer.returnValue(event)
 
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 1aca203744..1f45fcc6f1 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -26,7 +26,7 @@ from synapse.events.utils import serialize_event
 import simplejson as json
 import logging
 import urllib
-from synapse.util.thirdpartyinvites import ThirdPartyInvites
+from synapse.util import third_party_invites
 
 logger = logging.getLogger(__name__)
 
@@ -415,7 +415,7 @@ class RoomMembershipRestServlet(ClientV1RestServlet):
         # target user is you unless it is an invite
         state_key = user.to_string()
 
-        if membership_action == "invite" and ThirdPartyInvites.has_invite_keys(content):
+        if membership_action == "invite" and third_party_invites.has_invite_keys(content):
             yield self.handlers.room_member_handler.do_3pid_invite(
                 room_id,
                 user,
@@ -446,9 +446,10 @@ class RoomMembershipRestServlet(ClientV1RestServlet):
             "membership": unicode(membership_action),
         }
 
-        if membership_action == "join" and ThirdPartyInvites.has_join_keys(content):
-            event_content["third_party_invite"] = {}
-            ThirdPartyInvites.copy_join_keys(content, event_content["third_party_invite"])
+        if membership_action == "join" and third_party_invites.has_join_keys(content):
+            event_content["third_party_invite"] = (
+                third_party_invites.extract_join_keys(content)
+            )
 
         yield msg_handler.create_and_send_event(
             {
diff --git a/synapse/util/third_party_invites.py b/synapse/util/third_party_invites.py
new file mode 100644
index 0000000000..b7e38c7ec3
--- /dev/null
+++ b/synapse/util/third_party_invites.py
@@ -0,0 +1,69 @@
+# -*- coding: utf-8 -*-
+# Copyright 2015 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from twisted.internet import defer
+from synapse.api.errors import AuthError
+
+
+INVITE_KEYS = {"id_server", "medium", "address", "display_name"}
+
+JOIN_KEYS = {
+    "token",
+    "public_key",
+    "key_validity_url",
+    "signature",
+    "sender",
+}
+
+
+def has_invite_keys(content):
+    for key in INVITE_KEYS:
+        if key not in content:
+            return False
+    return True
+
+
+def has_join_keys(content):
+    for key in JOIN_KEYS:
+        if key not in content:
+            return False
+    return True
+
+
+def join_has_third_party_invite(content):
+    if "third_party_invite" not in content:
+        return False
+    return has_join_keys(content["third_party_invite"])
+
+
+def extract_join_keys(src):
+    return {
+        key: value
+        for key, value in src["third_party_invite"].items()
+        if key in JOIN_KEYS
+    }
+
+
+@defer.inlineCallbacks
+def check_key_valid(http_client, event):
+    try:
+        response = yield http_client.get_json(
+            event.content["third_party_invite"]["key_validity_url"],
+            {"public_key": event.content["third_party_invite"]["public_key"]}
+        )
+        if not response["valid"]:
+            raise AuthError(403, "Third party certificate was invalid")
+    except IOError:
+        raise AuthError(403, "Third party certificate could not be checked")
diff --git a/synapse/util/thirdpartyinvites.py b/synapse/util/thirdpartyinvites.py
deleted file mode 100644
index ad0f4e88e9..0000000000
--- a/synapse/util/thirdpartyinvites.py
+++ /dev/null
@@ -1,68 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from twisted.internet import defer
-from synapse.api.errors import AuthError
-
-
-class ThirdPartyInvites(object):
-    INVITE_KEYS = {"id_server", "medium", "address", "display_name"}
-
-    JOIN_KEYS = {
-        "token",
-        "public_key",
-        "key_validity_url",
-        "signature",
-        "sender",
-    }
-
-    @classmethod
-    def has_invite_keys(cls, content):
-        for key in cls.INVITE_KEYS:
-            if key not in content:
-                return False
-        return True
-
-    @classmethod
-    def has_join_keys(cls, content):
-        for key in cls.JOIN_KEYS:
-            if key not in content:
-                return False
-        return True
-
-    @classmethod
-    def join_has_third_party_invite(cls, content):
-        if "third_party_invite" not in content:
-            return False
-        return cls.has_join_keys(content["third_party_invite"])
-
-    @classmethod
-    def copy_join_keys(cls, src, dst):
-        for key in cls.JOIN_KEYS:
-            if key in src:
-                dst[key] = src[key]
-
-    @classmethod
-    @defer.inlineCallbacks
-    def check_key_valid(cls, http_client, event):
-        try:
-            response = yield http_client.get_json(
-                event.content["third_party_invite"]["key_validity_url"],
-                {"public_key": event.content["third_party_invite"]["public_key"]}
-            )
-            if not response["valid"]:
-                raise AuthError(403, "Third party certificate was invalid")
-        except IOError:
-            raise AuthError(403, "Third party certificate could not be checked")