diff --git a/synapse/handlers/e2e_keys.py b/synapse/handlers/e2e_keys.py
index 668a90e495..5816bf8b4f 100644
--- a/synapse/handlers/e2e_keys.py
+++ b/synapse/handlers/e2e_keys.py
@@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
+# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -13,15 +14,17 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-import ujson as json
import logging
-from canonicaljson import encode_canonical_json
+from six import iteritems
+
+from canonicaljson import encode_canonical_json, json
+
from twisted.internet import defer
-from synapse.api.errors import SynapseError, CodeMessageException
-from synapse.types import get_domain_from_id
-from synapse.util.logcontext import preserve_fn, make_deferred_yieldable
+from synapse.api.errors import CodeMessageException, FederationDeniedError, SynapseError
+from synapse.types import UserID, get_domain_from_id
+from synapse.util.logcontext import make_deferred_yieldable, run_in_background
from synapse.util.retryutils import NotRetryingDestination
logger = logging.getLogger(__name__)
@@ -30,15 +33,15 @@ logger = logging.getLogger(__name__)
class E2eKeysHandler(object):
def __init__(self, hs):
self.store = hs.get_datastore()
- self.federation = hs.get_replication_layer()
+ self.federation = hs.get_federation_client()
self.device_handler = hs.get_device_handler()
- self.is_mine_id = hs.is_mine_id
+ self.is_mine = hs.is_mine
self.clock = hs.get_clock()
# doesn't really work as part of the generic query API, because the
# query request requires an object POST, but we abuse the
# "query handler" interface.
- self.federation.register_query_handler(
+ hs.get_federation_registry().register_query_handler(
"client_keys", self.on_federation_query_client_keys
)
@@ -70,12 +73,13 @@ class E2eKeysHandler(object):
remote_queries = {}
for user_id, device_ids in device_keys_query.items():
- if self.is_mine_id(user_id):
+ # we use UserID.from_string to catch invalid user ids
+ if self.is_mine(UserID.from_string(user_id)):
local_query[user_id] = device_ids
else:
remote_queries[user_id] = device_ids
- # Firt get local devices.
+ # First get local devices.
failures = {}
results = {}
if local_query:
@@ -88,7 +92,7 @@ class E2eKeysHandler(object):
remote_queries_not_in_cache = {}
if remote_queries:
query_list = []
- for user_id, device_ids in remote_queries.iteritems():
+ for user_id, device_ids in iteritems(remote_queries):
if device_ids:
query_list.extend((user_id, device_id) for device_id in device_ids)
else:
@@ -99,9 +103,9 @@ class E2eKeysHandler(object):
query_list
)
)
- for user_id, devices in remote_results.iteritems():
+ for user_id, devices in iteritems(remote_results):
user_devices = results.setdefault(user_id, {})
- for device_id, device in devices.iteritems():
+ for device_id, device in iteritems(devices):
keys = device.get("keys", None)
device_display_name = device.get("device_display_name", None)
if keys:
@@ -131,24 +135,13 @@ class E2eKeysHandler(object):
if user_id in destination_query:
results[user_id] = keys
- except CodeMessageException as e:
- failures[destination] = {
- "status": e.code, "message": e.message
- }
- except NotRetryingDestination as e:
- failures[destination] = {
- "status": 503, "message": "Not ready for retry",
- }
except Exception as e:
- # include ConnectionRefused and other errors
- failures[destination] = {
- "status": 503, "message": e.message
- }
+ failures[destination] = _exception_to_failure(e)
yield make_deferred_yieldable(defer.gatherResults([
- preserve_fn(do_remote_query)(destination)
+ run_in_background(do_remote_query, destination)
for destination in remote_queries_not_in_cache
- ]))
+ ], consumeErrors=True))
defer.returnValue({
"device_keys": results, "failures": failures,
@@ -170,7 +163,8 @@ class E2eKeysHandler(object):
result_dict = {}
for user_id, device_ids in query.items():
- if not self.is_mine_id(user_id):
+ # we use UserID.from_string to catch invalid user ids
+ if not self.is_mine(UserID.from_string(user_id)):
logger.warning("Request for keys for non-local user %s",
user_id)
raise SynapseError(400, "Not a user here")
@@ -213,7 +207,8 @@ class E2eKeysHandler(object):
remote_queries = {}
for user_id, device_keys in query.get("one_time_keys", {}).items():
- if self.is_mine_id(user_id):
+ # we use UserID.from_string to catch invalid user ids
+ if self.is_mine(UserID.from_string(user_id)):
for device_id, algorithm in device_keys.items():
local_query.append((user_id, device_id, algorithm))
else:
@@ -243,32 +238,21 @@ class E2eKeysHandler(object):
for user_id, keys in remote_result["one_time_keys"].items():
if user_id in device_keys:
json_result[user_id] = keys
- except CodeMessageException as e:
- failures[destination] = {
- "status": e.code, "message": e.message
- }
- except NotRetryingDestination as e:
- failures[destination] = {
- "status": 503, "message": "Not ready for retry",
- }
except Exception as e:
- # include ConnectionRefused and other errors
- failures[destination] = {
- "status": 503, "message": e.message
- }
+ failures[destination] = _exception_to_failure(e)
yield make_deferred_yieldable(defer.gatherResults([
- preserve_fn(claim_client_keys)(destination)
+ run_in_background(claim_client_keys, destination)
for destination in remote_queries
- ]))
+ ], consumeErrors=True))
logger.info(
"Claimed one-time-keys: %s",
",".join((
"%s for %s:%s" % (key_id, user_id, device_id)
- for user_id, user_keys in json_result.iteritems()
- for device_id, device_keys in user_keys.iteritems()
- for key_id, _ in device_keys.iteritems()
+ for user_id, user_keys in iteritems(json_result)
+ for device_id, device_keys in iteritems(user_keys)
+ for key_id, _ in iteritems(device_keys)
)),
)
@@ -353,6 +337,31 @@ class E2eKeysHandler(object):
)
+def _exception_to_failure(e):
+ if isinstance(e, CodeMessageException):
+ return {
+ "status": e.code, "message": e.message,
+ }
+
+ if isinstance(e, NotRetryingDestination):
+ return {
+ "status": 503, "message": "Not ready for retry",
+ }
+
+ if isinstance(e, FederationDeniedError):
+ return {
+ "status": 403, "message": "Federation Denied",
+ }
+
+ # include ConnectionRefused and other errors
+ #
+ # Note that some Exceptions (notably twisted's ResponseFailed etc) don't
+ # give a string for e.message, which json then fails to serialize.
+ return {
+ "status": 503, "message": str(e.message),
+ }
+
+
def _one_time_keys_match(old_key_json, new_key):
old_key = json.loads(old_key_json)
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