diff --git a/synapse/storage/end_to_end_keys.py b/synapse/storage/end_to_end_keys.py
index 62b7790e91..385d607056 100644
--- a/synapse/storage/end_to_end_keys.py
+++ b/synapse/storage/end_to_end_keys.py
@@ -12,6 +12,7 @@
# 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.
+import collections
import twisted.internet.defer
@@ -38,24 +39,49 @@ class EndToEndKeyStore(SQLBaseStore):
query_list(list): List of pairs of user_ids and device_ids.
Returns:
Dict mapping from user-id to dict mapping from device_id to
- key json byte strings.
+ dict containing "key_json", "device_display_name".
"""
- def _get_e2e_device_keys(txn):
- result = {}
- for user_id, device_id in query_list:
- user_result = result.setdefault(user_id, {})
- keyvalues = {"user_id": user_id}
- if device_id:
- keyvalues["device_id"] = device_id
- rows = self._simple_select_list_txn(
- txn, table="e2e_device_keys_json",
- keyvalues=keyvalues,
- retcols=["device_id", "key_json"]
- )
- for row in rows:
- user_result[row["device_id"]] = row["key_json"]
- return result
- return self.runInteraction("get_e2e_device_keys", _get_e2e_device_keys)
+ if not query_list:
+ return {}
+
+ return self.runInteraction(
+ "get_e2e_device_keys", self._get_e2e_device_keys_txn, query_list
+ )
+
+ def _get_e2e_device_keys_txn(self, txn, query_list):
+ query_clauses = []
+ query_params = []
+
+ for (user_id, device_id) in query_list:
+ query_clause = "k.user_id = ?"
+ query_params.append(user_id)
+
+ if device_id:
+ query_clause += " AND k.device_id = ?"
+ query_params.append(device_id)
+
+ query_clauses.append(query_clause)
+
+ sql = (
+ "SELECT k.user_id, k.device_id, "
+ " d.display_name AS device_display_name, "
+ " k.key_json"
+ " FROM e2e_device_keys_json k"
+ " LEFT JOIN devices d ON d.user_id = k.user_id"
+ " AND d.device_id = k.device_id"
+ " WHERE %s"
+ ) % (
+ " OR ".join("(" + q + ")" for q in query_clauses)
+ )
+
+ txn.execute(sql, query_params)
+ rows = self.cursor_to_dict(txn)
+
+ result = collections.defaultdict(dict)
+ for row in rows:
+ result[row["user_id"]][row["device_id"]] = row
+
+ return result
def add_e2e_one_time_keys(self, user_id, device_id, time_now, key_list):
def _add_e2e_one_time_keys(txn):
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index c63ca36df6..4664cfe6d9 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -26,7 +26,7 @@ from synapse.api.constants import EventTypes
from synapse.api.errors import SynapseError
from canonicaljson import encode_canonical_json
-from collections import deque, namedtuple
+from collections import deque, namedtuple, OrderedDict
import synapse
import synapse.metrics
@@ -403,6 +403,23 @@ class EventsStore(SQLBaseStore):
and the rejections table. Things reading from those table will need to check
whether the event was rejected.
"""
+ # Ensure that we don't have the same event twice.
+ # Pick the earliest non-outlier if there is one, else the earliest one.
+ new_events_and_contexts = OrderedDict()
+ for event, context in events_and_contexts:
+ prev_event_context = new_events_and_contexts.get(event.event_id)
+ if prev_event_context:
+ if not event.internal_metadata.is_outlier():
+ if prev_event_context[0].internal_metadata.is_outlier():
+ # To ensure correct ordering we pop, as OrderedDict is
+ # ordered by first insertion.
+ new_events_and_contexts.pop(event.event_id, None)
+ new_events_and_contexts[event.event_id] = (event, context)
+ else:
+ new_events_and_contexts[event.event_id] = (event, context)
+
+ events_and_contexts = new_events_and_contexts.values()
+
depth_updates = {}
for event, context in events_and_contexts:
# Remove the any existing cache entries for the event_ids
@@ -433,8 +450,6 @@ class EventsStore(SQLBaseStore):
for event_id, outlier in txn.fetchall()
}
- # Remove the events that we've seen before.
- event_map = {}
to_remove = set()
for event, context in events_and_contexts:
if context.rejected:
@@ -445,23 +460,6 @@ class EventsStore(SQLBaseStore):
to_remove.add(event)
continue
- # Handle the case of the list including the same event multiple
- # times. The tricky thing here is when they differ by whether
- # they are an outlier.
- if event.event_id in event_map:
- other = event_map[event.event_id]
-
- if not other.internal_metadata.is_outlier():
- to_remove.add(event)
- continue
- elif not event.internal_metadata.is_outlier():
- to_remove.add(event)
- continue
- else:
- to_remove.add(other)
-
- event_map[event.event_id] = event
-
if event.event_id not in have_persisted:
continue
diff --git a/synapse/storage/schema/delta/33/devices_for_e2e_keys.sql b/synapse/storage/schema/delta/33/devices_for_e2e_keys.sql
index 140f2b63e0..aa4a3b9f2f 100644
--- a/synapse/storage/schema/delta/33/devices_for_e2e_keys.sql
+++ b/synapse/storage/schema/delta/33/devices_for_e2e_keys.sql
@@ -16,4 +16,4 @@
-- make sure that we have a device record for each set of E2E keys, so that the
-- user can delete them if they like.
INSERT INTO devices
- SELECT user_id, device_id, 'unknown device' FROM e2e_device_keys_json;
+ SELECT user_id, device_id, NULL FROM e2e_device_keys_json;
diff --git a/synapse/storage/schema/delta/33/devices_for_e2e_keys_clear_unknown_device.sql b/synapse/storage/schema/delta/33/devices_for_e2e_keys_clear_unknown_device.sql
new file mode 100644
index 0000000000..6671573398
--- /dev/null
+++ b/synapse/storage/schema/delta/33/devices_for_e2e_keys_clear_unknown_device.sql
@@ -0,0 +1,20 @@
+/* Copyright 2016 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.
+ */
+
+-- a previous version of the "devices_for_e2e_keys" delta set all the device
+-- names to "unknown device". This wasn't terribly helpful
+UPDATE devices
+ SET display_name = NULL
+ WHERE display_name = 'unknown device';
|