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authorDavid Baker <dave@matrix.org>2017-03-13 17:27:51 +0000
committerDavid Baker <dave@matrix.org>2017-03-13 17:27:51 +0000
commit73a5f06652c6966eead46eded1d68f6f3522b54a (patch)
treec55477088549d6dceac827644a4340023c1f3adc /synapse/util/msisdn.py
parentMerge pull request #1990 from matrix-org/rav/log_config_comments (diff)
downloadsynapse-73a5f06652c6966eead46eded1d68f6f3522b54a.tar.xz
Support registration / login with phone number
Changes from https://github.com/matrix-org/synapse/pull/1971
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diff --git a/synapse/util/msisdn.py b/synapse/util/msisdn.py
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+# -*- coding: utf-8 -*-
+# Copyright 2017 Vector Creations 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 phonenumbers
+from synapse.api.errors import SynapseError
+
+
+def phone_number_to_msisdn(country, number):
+    """
+    Takes an ISO-3166-1 2 letter country code and phone number and
+    returns an msisdn representing the canonical version of that
+    phone number.
+    Args:
+        country (str): ISO-3166-1 2 letter country code
+        number (str): Phone number in a national or international format
+
+    Returns:
+        (str) The canonical form of the phone number, as an msisdn
+    Raises:
+            SynapseError if the number could not be parsed.
+    """
+    try:
+        phoneNumber = phonenumbers.parse(number, country)
+    except phonenumbers.NumberParseException:
+        raise SynapseError(400, "Unable to parse phone number")
+    return phonenumbers.format_number(
+        phoneNumber, phonenumbers.PhoneNumberFormat.E164
+    )[1:]