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+# -*- coding: utf-8 -*-
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+# Copyright 2015 OpenMarket Ltd
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+#
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+# Licensed under the Apache License, Version 2.0 (the "License");
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+# you may not use this file except in compliance with the License.
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+# You may obtain a copy of the License at
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+#
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+# http://www.apache.org/licenses/LICENSE-2.0
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+#
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+# Unless required by applicable law or agreed to in writing, software
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+# distributed under the License is distributed on an "AS IS" BASIS,
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+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+# See the License for the specific language governing permissions and
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+# limitations under the License.
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+
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+
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+from tests import unittest
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+
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+from synapse.events.builder import EventBuilder
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+from synapse.crypto.event_signing import add_hashes_and_signatures
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+
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+from unpaddedbase64 import decode_base64
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+
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+import nacl.signing
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+
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+
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+# Perform these tests using given secret key so we get entirely deterministic
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+# signatures output that we can test against.
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+SIGNING_KEY_SEED = decode_base64(
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+ "YJDBA9Xnr2sVqXD9Vj7XVUnmFZcZrlw8Md7kMW+3XA1"
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+)
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+
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+KEY_ALG = "ed25519"
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+KEY_VER = 1
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+KEY_NAME = "%s:%d" % (KEY_ALG, KEY_VER)
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+
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+HOSTNAME = "domain"
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+
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+
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+class EventSigningTestCase(unittest.TestCase):
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+
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+ def setUp(self):
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+ self.signing_key = nacl.signing.SigningKey(SIGNING_KEY_SEED)
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+ self.signing_key.alg = KEY_ALG
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+ self.signing_key.version = KEY_VER
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+
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+ def test_sign_minimal(self):
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+ builder = EventBuilder(
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+ {
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+ 'event_id': "$0:domain",
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+ 'origin': "domain",
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+ 'origin_server_ts': 1000000,
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+ 'signatures': {},
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+ 'type': "X",
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+ 'unsigned': {'age_ts': 1000000},
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+ },
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+ )
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+
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+ add_hashes_and_signatures(builder, HOSTNAME, self.signing_key)
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+
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+ event = builder.build()
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+
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+ self.assertTrue(hasattr(event, 'hashes'))
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+ self.assertIn('sha256', event.hashes)
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+ self.assertEquals(
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+ event.hashes['sha256'],
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+ "6tJjLpXtggfke8UxFhAKg82QVkJzvKOVOOSjUDK4ZSI",
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+ )
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+
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+ self.assertTrue(hasattr(event, 'signatures'))
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+ self.assertIn(HOSTNAME, event.signatures)
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+ self.assertIn(KEY_NAME, event.signatures["domain"])
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+ self.assertEquals(
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+ event.signatures[HOSTNAME][KEY_NAME],
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+ "2Wptgo4CwmLo/Y8B8qinxApKaCkBG2fjTWB7AbP5Uy+"
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+ "aIbygsSdLOFzvdDjww8zUVKCmI02eP9xtyJxc/cLiBA",
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+ )
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+
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+ def test_sign_message(self):
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+ builder = EventBuilder(
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+ {
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+ 'content': {
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+ 'body': "Here is the message content",
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+ },
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+ 'event_id': "$0:domain",
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+ 'origin': "domain",
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+ 'origin_server_ts': 1000000,
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+ 'type': "m.room.message",
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+ 'room_id': "!r:domain",
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+ 'sender': "@u:domain",
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+ 'signatures': {},
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+ 'unsigned': {'age_ts': 1000000},
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+ }
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+ )
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+
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+ add_hashes_and_signatures(builder, HOSTNAME, self.signing_key)
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+
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+ event = builder.build()
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+
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+ self.assertTrue(hasattr(event, 'hashes'))
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+ self.assertIn('sha256', event.hashes)
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+ self.assertEquals(
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+ event.hashes['sha256'],
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+ "onLKD1bGljeBWQhWZ1kaP9SorVmRQNdN5aM2JYU2n/g",
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+ )
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+
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+ self.assertTrue(hasattr(event, 'signatures'))
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+ self.assertIn(HOSTNAME, event.signatures)
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+ self.assertIn(KEY_NAME, event.signatures["domain"])
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+ self.assertEquals(
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+ event.signatures[HOSTNAME][KEY_NAME],
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+ "Wm+VzmOUOz08Ds+0NTWb1d4CZrVsJSikkeRxh6aCcUw"
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+ "u6pNC78FunoD7KNWzqFn241eYHYMGCA5McEiVPdhzBA"
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+ )
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