diff --git a/synapse/module_api/__init__.py b/synapse/module_api/__init__.py
index 3148957229..e36503a526 100644
--- a/synapse/module_api/__init__.py
+++ b/synapse/module_api/__init__.py
@@ -94,6 +94,9 @@ from synapse.module_api.callbacks.media_repository_callbacks import (
GET_MEDIA_CONFIG_FOR_USER_CALLBACK,
IS_USER_ALLOWED_TO_UPLOAD_MEDIA_OF_SIZE_CALLBACK,
)
+from synapse.module_api.callbacks.ratelimit_callbacks import (
+ GET_RATELIMIT_OVERRIDE_FOR_USER_CALLBACK,
+)
from synapse.module_api.callbacks.spamchecker_callbacks import (
CHECK_EVENT_FOR_SPAM_CALLBACK,
CHECK_LOGIN_FOR_SPAM_CALLBACK,
@@ -367,6 +370,20 @@ class ModuleApi:
on_legacy_admin_request=on_legacy_admin_request,
)
+ def register_ratelimit_callbacks(
+ self,
+ *,
+ get_ratelimit_override_for_user: Optional[
+ GET_RATELIMIT_OVERRIDE_FOR_USER_CALLBACK
+ ] = None,
+ ) -> None:
+ """Registers callbacks for ratelimit capabilities.
+ Added in Synapse v1.132.0.
+ """
+ return self._callbacks.ratelimit.register_callbacks(
+ get_ratelimit_override_for_user=get_ratelimit_override_for_user,
+ )
+
def register_media_repository_callbacks(
self,
*,
@@ -376,7 +393,7 @@ class ModuleApi:
] = None,
) -> None:
"""Registers callbacks for media repository capabilities.
- Added in Synapse v1.x.x.
+ Added in Synapse v1.132.0.
"""
return self._callbacks.media_repository.register_callbacks(
get_media_config_for_user=get_media_config_for_user,
diff --git a/synapse/module_api/callbacks/__init__.py b/synapse/module_api/callbacks/__init__.py
index a36c0fc7c6..16ef7a4b47 100644
--- a/synapse/module_api/callbacks/__init__.py
+++ b/synapse/module_api/callbacks/__init__.py
@@ -30,6 +30,9 @@ from synapse.module_api.callbacks.account_validity_callbacks import (
from synapse.module_api.callbacks.media_repository_callbacks import (
MediaRepositoryModuleApiCallbacks,
)
+from synapse.module_api.callbacks.ratelimit_callbacks import (
+ RatelimitModuleApiCallbacks,
+)
from synapse.module_api.callbacks.spamchecker_callbacks import (
SpamCheckerModuleApiCallbacks,
)
@@ -42,5 +45,6 @@ class ModuleApiCallbacks:
def __init__(self, hs: "HomeServer") -> None:
self.account_validity = AccountValidityModuleApiCallbacks()
self.media_repository = MediaRepositoryModuleApiCallbacks(hs)
+ self.ratelimit = RatelimitModuleApiCallbacks(hs)
self.spam_checker = SpamCheckerModuleApiCallbacks(hs)
self.third_party_event_rules = ThirdPartyEventRulesModuleApiCallbacks(hs)
diff --git a/synapse/module_api/callbacks/ratelimit_callbacks.py b/synapse/module_api/callbacks/ratelimit_callbacks.py
new file mode 100644
index 0000000000..ced721b407
--- /dev/null
+++ b/synapse/module_api/callbacks/ratelimit_callbacks.py
@@ -0,0 +1,62 @@
+#
+# This file is licensed under the Affero General Public License (AGPL) version 3.
+#
+# Copyright (C) 2025 New Vector, Ltd
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# See the GNU Affero General Public License for more details:
+# <https://www.gnu.org/licenses/agpl-3.0.html>.
+#
+
+import logging
+from typing import TYPE_CHECKING, Awaitable, Callable, List, Optional
+
+from synapse.storage.databases.main.room import RatelimitOverride
+from synapse.util.async_helpers import delay_cancellation
+from synapse.util.metrics import Measure
+
+if TYPE_CHECKING:
+ from synapse.server import HomeServer
+
+logger = logging.getLogger(__name__)
+
+GET_RATELIMIT_OVERRIDE_FOR_USER_CALLBACK = Callable[
+ [str, str], Awaitable[Optional[RatelimitOverride]]
+]
+
+
+class RatelimitModuleApiCallbacks:
+ def __init__(self, hs: "HomeServer") -> None:
+ self.clock = hs.get_clock()
+ self._get_ratelimit_override_for_user_callbacks: List[
+ GET_RATELIMIT_OVERRIDE_FOR_USER_CALLBACK
+ ] = []
+
+ def register_callbacks(
+ self,
+ get_ratelimit_override_for_user: Optional[
+ GET_RATELIMIT_OVERRIDE_FOR_USER_CALLBACK
+ ] = None,
+ ) -> None:
+ """Register callbacks from module for each hook."""
+ if get_ratelimit_override_for_user is not None:
+ self._get_ratelimit_override_for_user_callbacks.append(
+ get_ratelimit_override_for_user
+ )
+
+ async def get_ratelimit_override_for_user(
+ self, user_id: str, limiter_name: str
+ ) -> Optional[RatelimitOverride]:
+ for callback in self._get_ratelimit_override_for_user_callbacks:
+ with Measure(self.clock, f"{callback.__module__}.{callback.__qualname__}"):
+ res: Optional[RatelimitOverride] = await delay_cancellation(
+ callback(user_id, limiter_name)
+ )
+ if res:
+ return res
+
+ return None
|
