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authorkaiyou <pierre@jaury.eu>2018-04-08 17:56:44 +0200
committerkaiyou <pierre@jaury.eu>2018-04-08 17:56:44 +0200
commita13b7860c6570ad1bb9003e94ad67c761f0cf312 (patch)
treed08b2c50d1c1a6e570c59396660cd83836aa9f14 /synapse/util/threepids.py
parentMerge remote-tracking branch 'upstream/master' into feat-dockerfile (diff)
parentUpdate README.rst (diff)
downloadsynapse-a13b7860c6570ad1bb9003e94ad67c761f0cf312.tar.xz
Merge remote-tracking branch 'upstream/master' into feat-dockerfile
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+# -*- coding: utf-8 -*-
+# Copyright 2018 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.
+# 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.
+
+import logging
+import re
+
+logger = logging.getLogger(__name__)
+
+
+def check_3pid_allowed(hs, medium, address):
+    """Checks whether a given format of 3PID is allowed to be used on this HS
+
+    Args:
+        hs (synapse.server.HomeServer): server
+        medium (str): 3pid medium - e.g. email, msisdn
+        address (str): address within that medium (e.g. "wotan@matrix.org")
+            msisdns need to first have been canonicalised
+    Returns:
+        bool: whether the 3PID medium/address is allowed to be added to this HS
+    """
+
+    if hs.config.allowed_local_3pids:
+        for constraint in hs.config.allowed_local_3pids:
+            logger.debug(
+                "Checking 3PID %s (%s) against %s (%s)",
+                address, medium, constraint['pattern'], constraint['medium'],
+            )
+            if (
+                medium == constraint['medium'] and
+                re.match(constraint['pattern'], address)
+            ):
+                return True
+    else:
+        return True
+
+    return False