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authorRichard van der Hoff <richard@matrix.org>2019-09-19 20:32:25 +0100
committerRichard van der Hoff <richard@matrix.org>2019-09-19 20:32:25 +0100
commit284e1cb027c2c5e8376a5b83d21d626e18dcbc33 (patch)
tree39adfb627d806891d95ffabb0bd7490f1fc737eb /synapse/util/hash.py
parentFix a bug with saml attribute maps. (diff)
parentfix sample config (diff)
downloadsynapse-284e1cb027c2c5e8376a5b83d21d626e18dcbc33.tar.xz
Merge branch 'develop' into rav/fix_attribute_mapping
Diffstat (limited to 'synapse/util/hash.py')
-rw-r--r--synapse/util/hash.py33
1 files changed, 33 insertions, 0 deletions
diff --git a/synapse/util/hash.py b/synapse/util/hash.py
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+# -*- 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.
+
+import hashlib
+
+import unpaddedbase64
+
+
+def sha256_and_url_safe_base64(input_text):
+    """SHA256 hash an input string, encode the digest as url-safe base64, and
+    return
+
+    :param input_text: string to hash
+    :type input_text: str
+
+    :returns a sha256 hashed and url-safe base64 encoded digest
+    :rtype: str
+    """
+    digest = hashlib.sha256(input_text.encode()).digest()
+    return unpaddedbase64.encode_base64(digest, urlsafe=True)