From 4af0aec54dad261bcad240d8a878a1c16934e77c Mon Sep 17 00:00:00 2001
From: Dirk Klimpel <5740567+dklimpel@users.noreply.github.com>
Date: Fri, 14 Apr 2023 11:24:06 +0200
Subject: [PATCH] Load `/directory/room/{roomAlias}` endpoint on workers
 (#15333)

* Enable `directory`

* move to worker store

* newsfile

* disable `ClientDirectoryListServer` and `ClientAppserviceDirectoryListServer` for workers
---
 changelog.d/15333.feature                   | 1 +
 docker/configure_workers_and_start.py       | 1 +
 docs/workers.md                             | 1 +
 synapse/rest/__init__.py                    | 3 +--
 synapse/rest/client/directory.py            | 6 ++++--
 synapse/storage/databases/main/directory.py | 6 ++++--
 6 files changed, 12 insertions(+), 6 deletions(-)
 create mode 100644 changelog.d/15333.feature

diff --git a/changelog.d/15333.feature b/changelog.d/15333.feature
new file mode 100644
index 0000000000..35ea89ad89
--- /dev/null
+++ b/changelog.d/15333.feature
@@ -0,0 +1 @@
+Allow loading `/directory/room/{roomAlias}` endpoint on workers.
\ No newline at end of file
diff --git a/docker/configure_workers_and_start.py b/docker/configure_workers_and_start.py
index 2a50ee1e4b..26f92b3f1a 100755
--- a/docker/configure_workers_and_start.py
+++ b/docker/configure_workers_and_start.py
@@ -173,6 +173,7 @@ WORKERS_CONFIG: Dict[str, Dict[str, Any]] = {
             "^/_matrix/client/(api/v1|r0|v3|unstable)/search",
             "^/_matrix/client/(r0|v3|unstable)/user/.*/filter(/|$)",
             "^/_matrix/client/(r0|v3|unstable)/password_policy$",
+            "^/_matrix/client/(api/v1|r0|v3|unstable)/directory/room/.*$",
         ],
         "shared_extra_conf": {},
         "worker_extra_conf": "",
diff --git a/docs/workers.md b/docs/workers.md
index e9a477d32c..cb2333e4a5 100644
--- a/docs/workers.md
+++ b/docs/workers.md
@@ -234,6 +234,7 @@ information.
     ^/_matrix/client/(api/v1|r0|v3|unstable/.*)/rooms/.*/aliases
     ^/_matrix/client/(api/v1|r0|v3|unstable)/search$
     ^/_matrix/client/(r0|v3|unstable)/user/.*/filter(/|$)
+    ^/_matrix/client/(api/v1|r0|v3|unstable)/directory/room/.*$
 
     # Encryption requests
     ^/_matrix/client/(r0|v3|unstable)/keys/query$
diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py
index 1d7c11b42d..19603ed137 100644
--- a/synapse/rest/__init__.py
+++ b/synapse/rest/__init__.py
@@ -100,8 +100,7 @@ class ClientRestResource(JsonResource):
         login.register_servlets(hs, client_resource)
         profile.register_servlets(hs, client_resource)
         presence.register_servlets(hs, client_resource)
-        if is_main_process:
-            directory.register_servlets(hs, client_resource)
+        directory.register_servlets(hs, client_resource)
         voip.register_servlets(hs, client_resource)
         if is_main_process:
             pusher.register_servlets(hs, client_resource)
diff --git a/synapse/rest/client/directory.py b/synapse/rest/client/directory.py
index f17b4c8d22..570bb52747 100644
--- a/synapse/rest/client/directory.py
+++ b/synapse/rest/client/directory.py
@@ -39,12 +39,14 @@ logger = logging.getLogger(__name__)
 
 def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
     ClientDirectoryServer(hs).register(http_server)
-    ClientDirectoryListServer(hs).register(http_server)
-    ClientAppserviceDirectoryListServer(hs).register(http_server)
+    if hs.config.worker.worker_app is None:
+        ClientDirectoryListServer(hs).register(http_server)
+        ClientAppserviceDirectoryListServer(hs).register(http_server)
 
 
 class ClientDirectoryServer(RestServlet):
     PATTERNS = client_patterns("/directory/room/(?P<room_alias>[^/]*)$", v1=True)
+    CATEGORY = "Client API requests"
 
     def __init__(self, hs: "HomeServer"):
         super().__init__()
diff --git a/synapse/storage/databases/main/directory.py b/synapse/storage/databases/main/directory.py
index 44aa181174..3cb4c90729 100644
--- a/synapse/storage/databases/main/directory.py
+++ b/synapse/storage/databases/main/directory.py
@@ -129,8 +129,6 @@ class DirectoryWorkerStore(CacheInvalidationWorkerStore):
                 409, "Room alias %s already exists" % room_alias.to_string()
             )
 
-
-class DirectoryStore(DirectoryWorkerStore):
     async def delete_room_alias(self, room_alias: RoomAlias) -> Optional[str]:
         room_id = await self.db_pool.runInteraction(
             "delete_room_alias", self._delete_room_alias_txn, room_alias
@@ -201,3 +199,7 @@ class DirectoryStore(DirectoryWorkerStore):
         await self.db_pool.runInteraction(
             "_update_aliases_for_room_txn", _update_aliases_for_room_txn
         )
+
+
+class DirectoryStore(DirectoryWorkerStore):
+    pass