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-rw-r--r--CHANGES.rst58
-rw-r--r--contrib/prometheus/README19
-rw-r--r--contrib/prometheus/synapse-v1.rules (renamed from contrib/prometheus/synapse.rules)0
-rw-r--r--contrib/prometheus/synapse-v2.rules60
-rw-r--r--docs/log_contexts.rst4
-rwxr-xr-xscripts/synapse_port_db7
-rw-r--r--synapse/__init__.py2
-rw-r--r--synapse/config/push.py44
-rw-r--r--synapse/federation/federation_client.py4
-rw-r--r--synapse/handlers/appservice.py4
-rw-r--r--synapse/handlers/initial_sync.py4
-rw-r--r--synapse/handlers/room_list.py50
-rw-r--r--synapse/push/httppusher.py3
-rw-r--r--synapse/push/pusherpool.py6
-rw-r--r--synapse/rest/client/versions.py1
-rw-r--r--synapse/storage/stream.py4
-rw-r--r--synapse/util/async.py6
-rw-r--r--synapse/util/distributor.py22
-rw-r--r--synapse/util/logcontext.py61
-rw-r--r--synapse/visibility.py4
20 files changed, 230 insertions, 133 deletions
diff --git a/CHANGES.rst b/CHANGES.rst
index 4911cfa284..a8b821a2d2 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,61 @@
+Changes in synapse v0.25.0 (2017-11-15)
+=======================================
+
+Bug fixes:
+
+* Fix port script (PR #2673)
+
+
+Changes in synapse v0.25.0-rc1 (2017-11-14)
+===========================================
+
+Features:
+
+* Add is_public to groups table to allow for private groups (PR #2582)
+* Add a route for determining who you are (PR #2668) Thanks to @turt2live!
+* Add more features to the password providers (PR #2608, #2610, #2620, #2622,
+  #2623, #2624, #2626, #2628, #2629)
+* Add a hook for custom rest endpoints (PR #2627)
+* Add API to update group room visibility (PR #2651)
+
+
+Changes:
+
+* Ignore <noscript> tags when generating URL preview descriptions (PR #2576)
+  Thanks to @maximevaillancourt!
+* Register some /unstable endpoints in /r0 as well (PR #2579) Thanks to
+  @krombel!
+* Support /keys/upload on /r0 as well as /unstable (PR #2585)
+* Front-end proxy: pass through auth header (PR #2586)
+* Allow ASes to deactivate their own users (PR #2589)
+* Remove refresh tokens (PR #2613)
+* Automatically set default displayname on register (PR #2617)
+* Log login requests (PR #2618)
+* Always return `is_public` in the `/groups/:group_id/rooms` API (PR #2630)
+* Avoid no-op media deletes (PR #2637) Thanks to @spantaleev!
+* Fix various embarrassing typos around user_directory and add some doc. (PR
+  #2643)
+* Return whether a user is an admin within a group (PR #2647)
+* Namespace visibility options for groups (PR #2657)
+* Downcase UserIDs on registration (PR #2662)
+* Cache failures when fetching URL previews (PR #2669)
+
+
+Bug fixes:
+
+* Fix port script (PR #2577)
+* Fix error when running synapse with no logfile (PR #2581)
+* Fix UI auth when deleting devices (PR #2591)
+* Fix typo when checking if user is invited to group (PR #2599)
+* Fix the port script to drop NUL values in all tables (PR #2611)
+* Fix appservices being backlogged and not receiving new events due to a bug in
+  notify_interested_services (PR #2631) Thanks to @xyzz!
+* Fix updating rooms avatar/display name when modified by admin (PR #2636)
+  Thanks to @farialima!
+* Fix bug in state group storage (PR #2649)
+* Fix 500 on invalid utf-8 in request (PR #2663)
+
+
 Changes in synapse v0.24.1 (2017-10-24)
 =======================================
 
diff --git a/contrib/prometheus/README b/contrib/prometheus/README
index eb91db2de2..7b733172e6 100644
--- a/contrib/prometheus/README
+++ b/contrib/prometheus/README
@@ -5,7 +5,8 @@ To use it, first install prometheus by following the instructions at
 
   http://prometheus.io/
 
-Then add a new job to the main prometheus.conf file:
+### for Prometheus v1
+Add a new job to the main prometheus.conf file:
 
   job: {
     name: "synapse"
@@ -15,6 +16,22 @@ Then add a new job to the main prometheus.conf file:
     }
   }
 
+### for Prometheus v2
+Add a new job to the main prometheus.yml file:
+
+  - job_name: "synapse"
+    metrics_path: "/_synapse/metrics"
+    # when endpoint uses https:
+    scheme: "https"
+
+    static_configs:
+    - targets: ['SERVER.LOCATION:PORT']
+
+To use `synapse.rules` add
+
+    rule_files:
+      - "/PATH/TO/synapse-v2.rules"
+
 Metrics are disabled by default when running synapse; they must be enabled
 with the 'enable-metrics' option, either in the synapse config file or as a
 command-line option.
diff --git a/contrib/prometheus/synapse.rules b/contrib/prometheus/synapse-v1.rules
index b6f84174b0..b6f84174b0 100644
--- a/contrib/prometheus/synapse.rules
+++ b/contrib/prometheus/synapse-v1.rules
diff --git a/contrib/prometheus/synapse-v2.rules b/contrib/prometheus/synapse-v2.rules
new file mode 100644
index 0000000000..07e37a885e
--- /dev/null
+++ b/contrib/prometheus/synapse-v2.rules
@@ -0,0 +1,60 @@
+groups:
+- name: synapse
+  rules:
+  - record: "synapse_federation_transaction_queue_pendingEdus:total"
+    expr: "sum(synapse_federation_transaction_queue_pendingEdus or absent(synapse_federation_transaction_queue_pendingEdus)*0)"
+  - record: "synapse_federation_transaction_queue_pendingPdus:total"
+    expr:   "sum(synapse_federation_transaction_queue_pendingPdus or absent(synapse_federation_transaction_queue_pendingPdus)*0)"
+  - record: 'synapse_http_server_requests:method'
+    labels:
+      servlet: ""
+    expr: "sum(synapse_http_server_requests) by (method)"
+  - record: 'synapse_http_server_requests:servlet'
+    labels:
+      method: ""
+    expr: 'sum(synapse_http_server_requests) by (servlet)'
+
+  - record: 'synapse_http_server_requests:total'
+    labels:
+      servlet: ""
+    expr: 'sum(synapse_http_server_requests:by_method) by (servlet)'
+
+  - record: 'synapse_cache:hit_ratio_5m'
+    expr: 'rate(synapse_util_caches_cache:hits[5m]) / rate(synapse_util_caches_cache:total[5m])'
+  - record: 'synapse_cache:hit_ratio_30s'
+    expr: 'rate(synapse_util_caches_cache:hits[30s]) / rate(synapse_util_caches_cache:total[30s])'
+
+  - record: 'synapse_federation_client_sent'
+    labels:
+      type: "EDU"
+    expr: 'synapse_federation_client_sent_edus + 0'
+  - record: 'synapse_federation_client_sent'
+    labels:
+      type: "PDU"
+    expr: 'synapse_federation_client_sent_pdu_destinations:count + 0'
+  - record: 'synapse_federation_client_sent'
+    labels:
+      type: "Query"
+    expr: 'sum(synapse_federation_client_sent_queries) by (job)'
+
+  - record: 'synapse_federation_server_received'
+    labels:
+      type: "EDU"
+    expr: 'synapse_federation_server_received_edus + 0'
+  - record: 'synapse_federation_server_received'
+    labels:
+      type: "PDU"
+    expr: 'synapse_federation_server_received_pdus + 0'
+  - record: 'synapse_federation_server_received'
+    labels:
+      type: "Query"
+    expr: 'sum(synapse_federation_server_received_queries) by (job)'
+
+  - record: 'synapse_federation_transaction_queue_pending'
+    labels:
+      type: "EDU"
+    expr: 'synapse_federation_transaction_queue_pending_edus + 0'
+  - record: 'synapse_federation_transaction_queue_pending'
+    labels:
+      type: "PDU"
+    expr: 'synapse_federation_transaction_queue_pending_pdus + 0'
diff --git a/docs/log_contexts.rst b/docs/log_contexts.rst
index eb1784e700..b19b7fa1ea 100644
--- a/docs/log_contexts.rst
+++ b/docs/log_contexts.rst
@@ -298,10 +298,6 @@ It can be used like this:
         # this will now be logged against the request context
         logger.debug("Request handling complete")
 
-XXX: I think ``preserve_context_over_fn`` is supposed to do the first option,
-but the fact that it does ``preserve_context_over_deferred`` on its results
-means that its use is fraught with difficulty.
-
 Passing synapse deferreds into third-party functions
 ----------------------------------------------------
 
diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db
index 3a8972efc3..d46581e4e1 100755
--- a/scripts/synapse_port_db
+++ b/scripts/synapse_port_db
@@ -43,6 +43,13 @@ BOOLEAN_COLUMNS = {
     "device_lists_outbound_pokes": ["sent"],
     "users_who_share_rooms": ["share_private"],
     "groups": ["is_public"],
+    "group_rooms": ["is_public"],
+    "group_users": ["is_public", "is_admin"],
+    "group_summary_rooms": ["is_public"],
+    "group_room_categories": ["is_public"],
+    "group_summary_users": ["is_public"],
+    "group_roles": ["is_public"],
+    "local_group_membership": ["is_publicised", "is_admin"],
 }
 
 
diff --git a/synapse/__init__.py b/synapse/__init__.py
index e74abe0130..e04208961f 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a Matrix home server.
 """
 
-__version__ = "0.24.1"
+__version__ = "0.25.0"
diff --git a/synapse/config/push.py b/synapse/config/push.py
index 9c68318b40..b7e0d46afa 100644
--- a/synapse/config/push.py
+++ b/synapse/config/push.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 # Copyright 2015, 2016 OpenMarket Ltd
+# Copyright 2017 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.
@@ -18,28 +19,43 @@ from ._base import Config
 
 class PushConfig(Config):
     def read_config(self, config):
-        self.push_redact_content = False
+        push_config = config.get("push", {})
+        self.push_include_content = push_config.get("include_content", True)
 
+        # There was a a 'redact_content' setting but mistakenly read from the
+        # 'email'section'. Check for the flag in the 'push' section, and log,
+        # but do not honour it to avoid nasty surprises when people upgrade.
+        if push_config.get("redact_content") is not None:
+            print(
+                "The push.redact_content content option has never worked. "
+                "Please set push.include_content if you want this behaviour"
+            )
+
+        # Now check for the one in the 'email' section and honour it,
+        # with a warning.
         push_config = config.get("email", {})
-        self.push_redact_content = push_config.get("redact_content", False)
+        redact_content = push_config.get("redact_content")
+        if redact_content is not None:
+            print(
+                "The 'email.redact_content' option is deprecated: "
+                "please set push.include_content instead"
+            )
+            self.push_include_content = not redact_content
 
     def default_config(self, config_dir_path, server_name, **kwargs):
         return """
-        # Control how push messages are sent to google/apple to notifications.
-        # Normally every message said in a room with one or more people using
-        # mobile devices will be posted to a push server hosted by matrix.org
-        # which is registered with google and apple in order to allow push
-        # notifications to be sent to these mobile devices.
-        #
-        # Setting redact_content to true will make the push messages contain no
-        # message content which will provide increased privacy. This is a
-        # temporary solution pending improvements to Android and iPhone apps
-        # to get content from the app rather than the notification.
-        #
+        # Clients requesting push notifications can either have the body of
+        # the message sent in the notification poke along with other details
+        # like the sender, or just the event ID and room ID (`event_id_only`).
+        # If clients choose the former, this option controls whether the
+        # notification request includes the content of the event (other details
+        # like the sender are still included). For `event_id_only` push, it
+        # has no effect.
+
         # For modern android devices the notification content will still appear
         # because it is loaded by the app. iPhone, however will send a
         # notification saying only that a message arrived and who it came from.
         #
         #push:
-        #   redact_content: false
+        #   include_content: true
         """
diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py
index 7c5e5d957f..b8f02f5391 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, logcontext
 from synapse.util.caches.expiringcache import ExpiringCache
 from synapse.util.logutils import log_function
-from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
+from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
 from synapse.events import FrozenEvent, builder
 import synapse.metrics
 
@@ -420,7 +420,7 @@ class FederationClient(FederationBase):
                 for e_id in batch
             ]
 
-            res = yield preserve_context_over_deferred(
+            res = yield make_deferred_yieldable(
                 defer.DeferredList(deferreds, consumeErrors=True)
             )
             for success, result in res:
diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py
index 543bf28aec..feca3e4c10 100644
--- a/synapse/handlers/appservice.py
+++ b/synapse/handlers/appservice.py
@@ -17,7 +17,7 @@ from twisted.internet import defer
 
 from synapse.api.constants import EventTypes
 from synapse.util.metrics import Measure
-from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
+from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
 
 import logging
 
@@ -159,7 +159,7 @@ class ApplicationServicesHandler(object):
     def query_3pe(self, kind, protocol, fields):
         services = yield self._get_services_for_3pn(protocol)
 
-        results = yield preserve_context_over_deferred(defer.DeferredList([
+        results = yield make_deferred_yieldable(defer.DeferredList([
             preserve_fn(self.appservice_api.query_3pe)(service, kind, protocol, fields)
             for service in services
         ], consumeErrors=True))
diff --git a/synapse/handlers/initial_sync.py b/synapse/handlers/initial_sync.py
index 9718d4abc5..c5267b4b84 100644
--- a/synapse/handlers/initial_sync.py
+++ b/synapse/handlers/initial_sync.py
@@ -27,7 +27,7 @@ from synapse.types import (
 from synapse.util import unwrapFirstError
 from synapse.util.async import concurrently_execute
 from synapse.util.caches.snapshot_cache import SnapshotCache
-from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
+from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
 from synapse.visibility import filter_events_for_client
 
 from ._base import BaseHandler
@@ -163,7 +163,7 @@ class InitialSyncHandler(BaseHandler):
                         lambda states: states[event.event_id]
                     )
 
-                (messages, token), current_state = yield preserve_context_over_deferred(
+                (messages, token), current_state = yield make_deferred_yieldable(
                     defer.gatherResults(
                         [
                             preserve_fn(self.store.get_recent_events_for_room)(
diff --git a/synapse/handlers/room_list.py b/synapse/handlers/room_list.py
index 2cf34e51cb..bb40075387 100644
--- a/synapse/handlers/room_list.py
+++ b/synapse/handlers/room_list.py
@@ -154,6 +154,8 @@ class RoomListHandler(BaseHandler):
             # We want larger rooms to be first, hence negating num_joined_users
             rooms_to_order_value[room_id] = (-num_joined_users, room_id)
 
+        logger.info("Getting ordering for %i rooms since %s",
+                    len(room_ids), stream_token)
         yield concurrently_execute(get_order_for_room, room_ids, 10)
 
         sorted_entries = sorted(rooms_to_order_value.items(), key=lambda e: e[1])
@@ -181,34 +183,42 @@ class RoomListHandler(BaseHandler):
                 rooms_to_scan = rooms_to_scan[:since_token.current_limit]
                 rooms_to_scan.reverse()
 
-        # Actually generate the entries. _append_room_entry_to_chunk will append to
-        # chunk but will stop if len(chunk) > limit
-        chunk = []
-        if limit and not search_filter:
+        logger.info("After sorting and filtering, %i rooms remain",
+                    len(rooms_to_scan))
+
+        # _append_room_entry_to_chunk will append to chunk but will stop if
+        # len(chunk) > limit
+        #
+        # Normally we will generate enough results on the first iteration here,
+        #  but if there is a search filter, _append_room_entry_to_chunk may
+        # filter some results out, in which case we loop again.
+        #
+        # We don't want to scan over the entire range either as that
+        # would potentially waste a lot of work.
+        #
+        # XXX if there is no limit, we may end up DoSing the server with
+        # calls to get_current_state_ids for every single room on the
+        # server. Surely we should cap this somehow?
+        #
+        if limit:
             step = limit + 1
-            for i in xrange(0, len(rooms_to_scan), step):
-                # We iterate here because the vast majority of cases we'll stop
-                # at first iteration, but occaisonally _append_room_entry_to_chunk
-                # won't append to the chunk and so we need to loop again.
-                # We don't want to scan over the entire range either as that
-                # would potentially waste a lot of work.
-                yield concurrently_execute(
-                    lambda r: self._append_room_entry_to_chunk(
-                        r, rooms_to_num_joined[r],
-                        chunk, limit, search_filter
-                    ),
-                    rooms_to_scan[i:i + step], 10
-                )
-                if len(chunk) >= limit + 1:
-                    break
         else:
+            step = len(rooms_to_scan)
+
+        chunk = []
+        for i in xrange(0, len(rooms_to_scan), step):
+            batch = rooms_to_scan[i:i + step]
+            logger.info("Processing %i rooms for result", len(batch))
             yield concurrently_execute(
                 lambda r: self._append_room_entry_to_chunk(
                     r, rooms_to_num_joined[r],
                     chunk, limit, search_filter
                 ),
-                rooms_to_scan, 5
+                batch, 5,
             )
+            logger.info("Now %i rooms in result", len(chunk))
+            if len(chunk) >= limit + 1:
+                break
 
         chunk.sort(key=lambda e: (-e["num_joined_members"], e["room_id"]))
 
diff --git a/synapse/push/httppusher.py b/synapse/push/httppusher.py
index 74c0bc462c..c16f61452c 100644
--- a/synapse/push/httppusher.py
+++ b/synapse/push/httppusher.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 # Copyright 2015, 2016 OpenMarket Ltd
+# Copyright 2017 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.
@@ -295,7 +296,7 @@ class HttpPusher(object):
         if event.type == 'm.room.member':
             d['notification']['membership'] = event.content['membership']
             d['notification']['user_is_target'] = event.state_key == self.user_id
-        if not self.hs.config.push_redact_content and 'content' in event:
+        if self.hs.config.push_include_content and 'content' in event:
             d['notification']['content'] = event.content
 
         # We no longer send aliases separately, instead, we send the human
diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py
index 7c069b662e..34cb108dcb 100644
--- a/synapse/push/pusherpool.py
+++ b/synapse/push/pusherpool.py
@@ -17,7 +17,7 @@
 from twisted.internet import defer
 
 from .pusher import PusherFactory
-from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
+from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
 from synapse.util.async import run_on_reactor
 
 import logging
@@ -136,7 +136,7 @@ class PusherPool:
                             )
                         )
 
-            yield preserve_context_over_deferred(defer.gatherResults(deferreds))
+            yield make_deferred_yieldable(defer.gatherResults(deferreds))
         except Exception:
             logger.exception("Exception in pusher on_new_notifications")
 
@@ -161,7 +161,7 @@ class PusherPool:
                             preserve_fn(p.on_new_receipts)(min_stream_id, max_stream_id)
                         )
 
-            yield preserve_context_over_deferred(defer.gatherResults(deferreds))
+            yield make_deferred_yieldable(defer.gatherResults(deferreds))
         except Exception:
             logger.exception("Exception in pusher on_new_receipts")
 
diff --git a/synapse/rest/client/versions.py b/synapse/rest/client/versions.py
index e984ea47db..2ecb15deee 100644
--- a/synapse/rest/client/versions.py
+++ b/synapse/rest/client/versions.py
@@ -30,6 +30,7 @@ class VersionsRestServlet(RestServlet):
                 "r0.0.1",
                 "r0.1.0",
                 "r0.2.0",
+                "r0.3.0",
             ]
         })
 
diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py
index dddd5fc0e7..52bdce5be2 100644
--- a/synapse/storage/stream.py
+++ b/synapse/storage/stream.py
@@ -39,7 +39,7 @@ from ._base import SQLBaseStore
 from synapse.util.caches.descriptors import cached
 from synapse.api.constants import EventTypes
 from synapse.types import RoomStreamToken
-from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
+from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
 from synapse.storage.engines import PostgresEngine, Sqlite3Engine
 
 import logging
@@ -234,7 +234,7 @@ class StreamStore(SQLBaseStore):
         results = {}
         room_ids = list(room_ids)
         for rm_ids in (room_ids[i:i + 20] for i in xrange(0, len(room_ids), 20)):
-            res = yield preserve_context_over_deferred(defer.gatherResults([
+            res = yield make_deferred_yieldable(defer.gatherResults([
                 preserve_fn(self.get_room_events_stream_for_room)(
                     room_id, from_key, to_key, limit, order=order,
                 )
diff --git a/synapse/util/async.py b/synapse/util/async.py
index e786fb38a9..0729bb2863 100644
--- a/synapse/util/async.py
+++ b/synapse/util/async.py
@@ -17,7 +17,7 @@
 from twisted.internet import defer, reactor
 
 from .logcontext import (
-    PreserveLoggingContext, preserve_fn, preserve_context_over_deferred,
+    PreserveLoggingContext, make_deferred_yieldable, preserve_fn
 )
 from synapse.util import logcontext, unwrapFirstError
 
@@ -351,7 +351,7 @@ class ReadWriteLock(object):
 
         # We wait for the latest writer to finish writing. We can safely ignore
         # any existing readers... as they're readers.
-        yield curr_writer
+        yield make_deferred_yieldable(curr_writer)
 
         @contextmanager
         def _ctx_manager():
@@ -380,7 +380,7 @@ class ReadWriteLock(object):
         curr_readers.clear()
         self.key_to_current_writer[key] = new_defer
 
-        yield preserve_context_over_deferred(defer.gatherResults(to_wait_on))
+        yield make_deferred_yieldable(defer.gatherResults(to_wait_on))
 
         @contextmanager
         def _ctx_manager():
diff --git a/synapse/util/distributor.py b/synapse/util/distributor.py
index e68f94ce77..734331caaa 100644
--- a/synapse/util/distributor.py
+++ b/synapse/util/distributor.py
@@ -13,32 +13,24 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer
+import logging
 
-from synapse.util.logcontext import (
-    PreserveLoggingContext, preserve_context_over_fn
-)
+from twisted.internet import defer
 
 from synapse.util import unwrapFirstError
-
-import logging
-
+from synapse.util.logcontext import PreserveLoggingContext
 
 logger = logging.getLogger(__name__)
 
 
 def user_left_room(distributor, user, room_id):
-    return preserve_context_over_fn(
-        distributor.fire,
-        "user_left_room", user=user, room_id=room_id
-    )
+    with PreserveLoggingContext():
+        distributor.fire("user_left_room", user=user, room_id=room_id)
 
 
 def user_joined_room(distributor, user, room_id):
-    return preserve_context_over_fn(
-        distributor.fire,
-        "user_joined_room", user=user, room_id=room_id
-    )
+    with PreserveLoggingContext():
+        distributor.fire("user_joined_room", user=user, room_id=room_id)
 
 
 class Distributor(object):
diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py
index 9683cc7265..48c9f6802d 100644
--- a/synapse/util/logcontext.py
+++ b/synapse/util/logcontext.py
@@ -261,67 +261,6 @@ class PreserveLoggingContext(object):
                 )
 
 
-class _PreservingContextDeferred(defer.Deferred):
-    """A deferred that ensures that all callbacks and errbacks are called with
-    the given logging context.
-    """
-    def __init__(self, context):
-        self._log_context = context
-        defer.Deferred.__init__(self)
-
-    def addCallbacks(self, callback, errback=None,
-                     callbackArgs=None, callbackKeywords=None,
-                     errbackArgs=None, errbackKeywords=None):
-        callback = self._wrap_callback(callback)
-        errback = self._wrap_callback(errback)
-        return defer.Deferred.addCallbacks(
-            self, callback,
-            errback=errback,
-            callbackArgs=callbackArgs,
-            callbackKeywords=callbackKeywords,
-            errbackArgs=errbackArgs,
-            errbackKeywords=errbackKeywords,
-        )
-
-    def _wrap_callback(self, f):
-        def g(res, *args, **kwargs):
-            with PreserveLoggingContext(self._log_context):
-                res = f(res, *args, **kwargs)
-            return res
-        return g
-
-
-def preserve_context_over_fn(fn, *args, **kwargs):
-    """Takes a function and invokes it with the given arguments, but removes
-    and restores the current logging context while doing so.
-
-    If the result is a deferred, call preserve_context_over_deferred before
-    returning it.
-    """
-    with PreserveLoggingContext():
-        res = fn(*args, **kwargs)
-
-    if isinstance(res, defer.Deferred):
-        return preserve_context_over_deferred(res)
-    else:
-        return res
-
-
-def preserve_context_over_deferred(deferred, context=None):
-    """Given a deferred wrap it such that any callbacks added later to it will
-    be invoked with the current context.
-
-    Deprecated: this almost certainly doesn't do want you want, ie make
-    the deferred follow the synapse logcontext rules: try
-    ``make_deferred_yieldable`` instead.
-    """
-    if context is None:
-        context = LoggingContext.current_context()
-    d = _PreservingContextDeferred(context)
-    deferred.chainDeferred(d)
-    return d
-
-
 def preserve_fn(f):
     """Wraps a function, to ensure that the current context is restored after
     return from the function, and that the sentinel context is set once the
diff --git a/synapse/visibility.py b/synapse/visibility.py
index d7dbdc77ff..aaca2c584c 100644
--- a/synapse/visibility.py
+++ b/synapse/visibility.py
@@ -17,7 +17,7 @@ from twisted.internet import defer
 
 from synapse.api.constants import Membership, EventTypes
 
-from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
+from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
 
 import logging
 
@@ -58,7 +58,7 @@ def filter_events_for_clients(store, user_tuples, events, event_id_to_state,
         always_include_ids (set(event_id)): set of event ids to specifically
             include (unless sender is ignored)
     """
-    forgotten = yield preserve_context_over_deferred(defer.gatherResults([
+    forgotten = yield make_deferred_yieldable(defer.gatherResults([
         defer.maybeDeferred(
             preserve_fn(store.who_forgot_in_room),
             room_id,
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-05 15:33:09 +0000