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authorBrendan Abolivier <babolivier@matrix.org>2019-06-14 19:37:59 +0100
committerGitHub <noreply@github.com>2019-06-14 19:37:59 +0100
commitf12e1f029c5e805548438ffea2d125e0fdb39467 (patch)
tree11b748b10216dce60a554244fec530cd5ede7cfc /synapse/config
parentMerge pull request #5461 from matrix-org/erikj/histograms_are_cumalitive (diff)
parentAdd plugin APIs for implementations of custom event rules. (diff)
downloadsynapse-f12e1f029c5e805548438ffea2d125e0fdb39467.tar.xz
Merge pull request #5440 from matrix-org/babolivier/third_party_event_rules
Allow server admins to define implementations of extra rules for allowing or denying incoming events
Diffstat (limited to 'synapse/config')
-rw-r--r--synapse/config/homeserver.py2
-rw-r--r--synapse/config/third_party_event_rules.py42
2 files changed, 44 insertions, 0 deletions
diff --git a/synapse/config/homeserver.py b/synapse/config/homeserver.py
index 5c4fc8ff21..acadef4fd3 100644
--- a/synapse/config/homeserver.py
+++ b/synapse/config/homeserver.py
@@ -38,6 +38,7 @@ from .server import ServerConfig
 from .server_notices_config import ServerNoticesConfig
 from .spam_checker import SpamCheckerConfig
 from .stats import StatsConfig
+from .third_party_event_rules import ThirdPartyRulesConfig
 from .tls import TlsConfig
 from .user_directory import UserDirectoryConfig
 from .voip import VoipConfig
@@ -73,5 +74,6 @@ class HomeServerConfig(
     StatsConfig,
     ServerNoticesConfig,
     RoomDirectoryConfig,
+    ThirdPartyRulesConfig,
 ):
     pass
diff --git a/synapse/config/third_party_event_rules.py b/synapse/config/third_party_event_rules.py
new file mode 100644
index 0000000000..a89dd5f98a
--- /dev/null
+++ b/synapse/config/third_party_event_rules.py
@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+# Copyright 2019 The Matrix.org Foundation C.I.C.
+#
+# 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.
+
+from synapse.util.module_loader import load_module
+
+from ._base import Config
+
+
+class ThirdPartyRulesConfig(Config):
+    def read_config(self, config):
+        self.third_party_event_rules = None
+
+        provider = config.get("third_party_event_rules", None)
+        if provider is not None:
+            self.third_party_event_rules = load_module(provider)
+
+    def default_config(self, **kwargs):
+        return """\
+        # Server admins can define a Python module that implements extra rules for
+        # allowing or denying incoming events. In order to work, this module needs to
+        # override the methods defined in synapse/events/third_party_rules.py.
+        #
+        # This feature is designed to be used in closed federations only, where each
+        # participating server enforces the same rules.
+        #
+        #third_party_event_rules:
+        #  module: "my_custom_project.SuperRulesSet"
+        #  config:
+        #    example_option: 'things'
+        """