309 lines
11 KiB
Python
309 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018 New Vector 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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import hashlib
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import hmac
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import json
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from mock import Mock
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from synapse.http.server import JsonResource
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from synapse.rest.client.v1.admin import register_servlets
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from synapse.util import Clock
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from tests import unittest
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from tests.server import (
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ThreadedMemoryReactorClock,
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make_request,
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render,
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setup_test_homeserver,
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)
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class UserRegisterTestCase(unittest.TestCase):
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def setUp(self):
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self.clock = ThreadedMemoryReactorClock()
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self.hs_clock = Clock(self.clock)
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self.url = "/_matrix/client/r0/admin/register"
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self.registration_handler = Mock()
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self.identity_handler = Mock()
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self.login_handler = Mock()
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self.device_handler = Mock()
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self.device_handler.check_device_registered = Mock(return_value="FAKE")
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self.datastore = Mock(return_value=Mock())
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self.datastore.get_current_state_deltas = Mock(return_value=[])
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self.secrets = Mock()
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self.hs = setup_test_homeserver(
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http_client=None, clock=self.hs_clock, reactor=self.clock
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)
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self.hs.config.registration_shared_secret = u"shared"
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self.hs.get_media_repository = Mock()
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self.hs.get_deactivate_account_handler = Mock()
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self.resource = JsonResource(self.hs)
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register_servlets(self.hs, self.resource)
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def test_disabled(self):
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"""
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If there is no shared secret, registration through this method will be
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prevented.
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"""
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self.hs.config.registration_shared_secret = None
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request, channel = make_request("POST", self.url, b'{}')
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual(
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'Shared secret registration is not enabled', channel.json_body["error"]
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)
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def test_get_nonce(self):
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"""
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Calling GET on the endpoint will return a randomised nonce, using the
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homeserver's secrets provider.
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"""
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secrets = Mock()
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secrets.token_hex = Mock(return_value="abcd")
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self.hs.get_secrets = Mock(return_value=secrets)
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request, channel = make_request("GET", self.url)
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render(request, self.resource, self.clock)
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self.assertEqual(channel.json_body, {"nonce": "abcd"})
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def test_expired_nonce(self):
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"""
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Calling GET on the endpoint will return a randomised nonce, which will
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only last for SALT_TIMEOUT (60s).
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"""
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request, channel = make_request("GET", self.url)
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render(request, self.resource, self.clock)
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nonce = channel.json_body["nonce"]
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# 59 seconds
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self.clock.advance(59)
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body = json.dumps({"nonce": nonce})
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('username must be specified', channel.json_body["error"])
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# 61 seconds
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self.clock.advance(2)
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('unrecognised nonce', channel.json_body["error"])
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def test_register_incorrect_nonce(self):
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"""
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Only the provided nonce can be used, as it's checked in the MAC.
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"""
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request, channel = make_request("GET", self.url)
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render(request, self.resource, self.clock)
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nonce = channel.json_body["nonce"]
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want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
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want_mac.update(b"notthenonce\x00bob\x00abc123\x00admin")
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want_mac = want_mac.hexdigest()
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body = json.dumps(
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{
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"nonce": nonce,
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"username": "bob",
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"password": "abc123",
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"admin": True,
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"mac": want_mac,
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}
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)
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(403, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("HMAC incorrect", channel.json_body["error"])
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def test_register_correct_nonce(self):
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"""
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When the correct nonce is provided, and the right key is provided, the
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user is registered.
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"""
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request, channel = make_request("GET", self.url)
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render(request, self.resource, self.clock)
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nonce = channel.json_body["nonce"]
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want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
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want_mac.update(nonce.encode('ascii') + b"\x00bob\x00abc123\x00admin")
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want_mac = want_mac.hexdigest()
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body = json.dumps(
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{
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"nonce": nonce,
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"username": "bob",
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"password": "abc123",
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"admin": True,
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"mac": want_mac,
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}
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)
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("@bob:test", channel.json_body["user_id"])
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def test_nonce_reuse(self):
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"""
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A valid unrecognised nonce.
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"""
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request, channel = make_request("GET", self.url)
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render(request, self.resource, self.clock)
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nonce = channel.json_body["nonce"]
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want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
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want_mac.update(nonce.encode('ascii') + b"\x00bob\x00abc123\x00admin")
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want_mac = want_mac.hexdigest()
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body = json.dumps(
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{
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"nonce": nonce,
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"username": "bob",
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"password": "abc123",
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"admin": True,
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"mac": want_mac,
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}
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)
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("@bob:test", channel.json_body["user_id"])
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# Now, try and reuse it
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('unrecognised nonce', channel.json_body["error"])
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def test_missing_parts(self):
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"""
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Synapse will complain if you don't give nonce, username, password, and
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mac. Admin is optional. Additional checks are done for length and
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type.
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"""
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def nonce():
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request, channel = make_request("GET", self.url)
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render(request, self.resource, self.clock)
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return channel.json_body["nonce"]
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#
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# Nonce check
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#
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# Must be present
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body = json.dumps({})
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('nonce must be specified', channel.json_body["error"])
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#
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# Username checks
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#
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# Must be present
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body = json.dumps({"nonce": nonce()})
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('username must be specified', channel.json_body["error"])
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# Must be a string
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body = json.dumps({"nonce": nonce(), "username": 1234})
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('Invalid username', channel.json_body["error"])
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# Must not have null bytes
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body = json.dumps({"nonce": nonce(), "username": u"abcd\u0000"})
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('Invalid username', channel.json_body["error"])
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# Must not have null bytes
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body = json.dumps({"nonce": nonce(), "username": "a" * 1000})
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('Invalid username', channel.json_body["error"])
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#
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# Username checks
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#
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# Must be present
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body = json.dumps({"nonce": nonce(), "username": "a"})
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('password must be specified', channel.json_body["error"])
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# Must be a string
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body = json.dumps({"nonce": nonce(), "username": "a", "password": 1234})
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('Invalid password', channel.json_body["error"])
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# Must not have null bytes
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body = json.dumps(
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{"nonce": nonce(), "username": "a", "password": u"abcd\u0000"}
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)
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('Invalid password', channel.json_body["error"])
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# Super long
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body = json.dumps({"nonce": nonce(), "username": "a", "password": "A" * 1000})
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request, channel = make_request("POST", self.url, body.encode('utf8'))
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render(request, self.resource, self.clock)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual('Invalid password', channel.json_body["error"])
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