mirror of
https://github.com/element-hq/synapse.git
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341 lines
12 KiB
Python
341 lines
12 KiB
Python
# 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 logging
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import re
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from six import StringIO
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from twisted.internet.defer import Deferred
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from twisted.python.failure import Failure
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from twisted.test.proto_helpers import AccumulatingProtocol
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from twisted.web.resource import Resource
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from twisted.web.server import NOT_DONE_YET
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from synapse.api.errors import Codes, RedirectException, SynapseError
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from synapse.http.server import (
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DirectServeResource,
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JsonResource,
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OptionsResource,
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wrap_html_request_handler,
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)
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from synapse.http.site import SynapseSite, logger
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from synapse.logging.context import make_deferred_yieldable
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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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FakeTransport,
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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 JsonResourceTests(unittest.TestCase):
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def setUp(self):
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self.reactor = ThreadedMemoryReactorClock()
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self.hs_clock = Clock(self.reactor)
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self.homeserver = setup_test_homeserver(
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self.addCleanup, http_client=None, clock=self.hs_clock, reactor=self.reactor
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)
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def test_handler_for_request(self):
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"""
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JsonResource.handler_for_request gives correctly decoded URL args to
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the callback, while Twisted will give the raw bytes of URL query
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arguments.
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"""
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got_kwargs = {}
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def _callback(request, **kwargs):
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got_kwargs.update(kwargs)
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return 200, kwargs
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET",
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[re.compile("^/_matrix/foo/(?P<room_id>[^/]*)$")],
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_callback,
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"test_servlet",
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)
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request, channel = make_request(
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self.reactor, b"GET", b"/_matrix/foo/%E2%98%83?a=%E2%98%83"
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)
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render(request, res, self.reactor)
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self.assertEqual(request.args, {b"a": ["\N{SNOWMAN}".encode("utf8")]})
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self.assertEqual(got_kwargs, {"room_id": "\N{SNOWMAN}"})
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def test_callback_direct_exception(self):
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"""
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If the web callback raises an uncaught exception, it will be translated
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into a 500.
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"""
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def _callback(request, **kwargs):
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raise Exception("boo")
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
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)
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request, channel = make_request(self.reactor, b"GET", b"/_matrix/foo")
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render(request, res, self.reactor)
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self.assertEqual(channel.result["code"], b"500")
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def test_callback_indirect_exception(self):
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"""
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If the web callback raises an uncaught exception in a Deferred, it will
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be translated into a 500.
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"""
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def _throw(*args):
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raise Exception("boo")
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def _callback(request, **kwargs):
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d = Deferred()
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d.addCallback(_throw)
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self.reactor.callLater(1, d.callback, True)
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return make_deferred_yieldable(d)
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
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)
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request, channel = make_request(self.reactor, b"GET", b"/_matrix/foo")
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render(request, res, self.reactor)
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self.assertEqual(channel.result["code"], b"500")
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def test_callback_synapseerror(self):
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"""
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If the web callback raises a SynapseError, it returns the appropriate
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status code and message set in it.
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"""
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def _callback(request, **kwargs):
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raise SynapseError(403, "Forbidden!!one!", Codes.FORBIDDEN)
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
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)
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request, channel = make_request(self.reactor, b"GET", b"/_matrix/foo")
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render(request, res, self.reactor)
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self.assertEqual(channel.result["code"], b"403")
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self.assertEqual(channel.json_body["error"], "Forbidden!!one!")
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self.assertEqual(channel.json_body["errcode"], "M_FORBIDDEN")
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def test_no_handler(self):
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"""
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If there is no handler to process the request, Synapse will return 400.
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"""
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def _callback(request, **kwargs):
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"""
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Not ever actually called!
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"""
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self.fail("shouldn't ever get here")
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
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)
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request, channel = make_request(self.reactor, b"GET", b"/_matrix/foobar")
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render(request, res, self.reactor)
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self.assertEqual(channel.result["code"], b"400")
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self.assertEqual(channel.json_body["error"], "Unrecognized request")
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self.assertEqual(channel.json_body["errcode"], "M_UNRECOGNIZED")
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class OptionsResourceTests(unittest.TestCase):
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def setUp(self):
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self.reactor = ThreadedMemoryReactorClock()
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class DummyResource(Resource):
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isLeaf = True
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def render(self, request):
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return request.path
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# Setup a resource with some children.
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self.resource = OptionsResource()
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self.resource.putChild(b"res", DummyResource())
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def _make_request(self, method, path):
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"""Create a request from the method/path and return a channel with the response."""
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request, channel = make_request(self.reactor, method, path, shorthand=False)
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request.prepath = [] # This doesn't get set properly by make_request.
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# Create a site and query for the resource.
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site = SynapseSite("test", "site_tag", {}, self.resource, "1.0")
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request.site = site
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resource = site.getResourceFor(request)
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# Finally, render the resource and return the channel.
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render(request, resource, self.reactor)
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return channel
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def test_unknown_options_request(self):
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"""An OPTIONS requests to an unknown URL still returns 200 OK."""
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channel = self._make_request(b"OPTIONS", b"/foo/")
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self.assertEqual(channel.result["code"], b"200")
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self.assertEqual(channel.result["body"], b"{}")
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def test_known_options_request(self):
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"""An OPTIONS requests to an known URL still returns 200 OK."""
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channel = self._make_request(b"OPTIONS", b"/res/")
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self.assertEqual(channel.result["code"], b"200")
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self.assertEqual(channel.result["body"], b"{}")
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def test_unknown_request(self):
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"""A non-OPTIONS request to an unknown URL should 404."""
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channel = self._make_request(b"GET", b"/foo/")
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self.assertEqual(channel.result["code"], b"404")
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def test_known_request(self):
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"""A non-OPTIONS request to an known URL should query the proper resource."""
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channel = self._make_request(b"GET", b"/res/")
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self.assertEqual(channel.result["code"], b"200")
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self.assertEqual(channel.result["body"], b"/res/")
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class WrapHtmlRequestHandlerTests(unittest.TestCase):
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class TestResource(DirectServeResource):
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callback = None
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@wrap_html_request_handler
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async def _async_render_GET(self, request):
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return await self.callback(request)
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def setUp(self):
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self.reactor = ThreadedMemoryReactorClock()
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def test_good_response(self):
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def callback(request):
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request.write(b"response")
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request.finish()
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res = WrapHtmlRequestHandlerTests.TestResource()
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res.callback = callback
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request, channel = make_request(self.reactor, b"GET", b"/path")
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render(request, res, self.reactor)
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self.assertEqual(channel.result["code"], b"200")
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body = channel.result["body"]
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self.assertEqual(body, b"response")
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def test_redirect_exception(self):
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"""
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If the callback raises a RedirectException, it is turned into a 30x
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with the right location.
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"""
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def callback(request, **kwargs):
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raise RedirectException(b"/look/an/eagle", 301)
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res = WrapHtmlRequestHandlerTests.TestResource()
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res.callback = callback
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request, channel = make_request(self.reactor, b"GET", b"/path")
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render(request, res, self.reactor)
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self.assertEqual(channel.result["code"], b"301")
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headers = channel.result["headers"]
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location_headers = [v for k, v in headers if k == b"Location"]
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self.assertEqual(location_headers, [b"/look/an/eagle"])
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def test_redirect_exception_with_cookie(self):
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"""
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If the callback raises a RedirectException which sets a cookie, that is
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returned too
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"""
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def callback(request, **kwargs):
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e = RedirectException(b"/no/over/there", 304)
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e.cookies.append(b"session=yespls")
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raise e
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res = WrapHtmlRequestHandlerTests.TestResource()
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res.callback = callback
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request, channel = make_request(self.reactor, b"GET", b"/path")
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render(request, res, self.reactor)
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self.assertEqual(channel.result["code"], b"304")
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headers = channel.result["headers"]
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location_headers = [v for k, v in headers if k == b"Location"]
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self.assertEqual(location_headers, [b"/no/over/there"])
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cookies_headers = [v for k, v in headers if k == b"Set-Cookie"]
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self.assertEqual(cookies_headers, [b"session=yespls"])
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class SiteTestCase(unittest.HomeserverTestCase):
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def test_lose_connection(self):
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"""
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We log the URI correctly redacted when we lose the connection.
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"""
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class HangingResource(Resource):
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"""
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A Resource that strategically hangs, as if it were processing an
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answer.
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"""
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def render(self, request):
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return NOT_DONE_YET
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# Set up a logging handler that we can inspect afterwards
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output = StringIO()
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handler = logging.StreamHandler(output)
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logger.addHandler(handler)
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old_level = logger.level
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logger.setLevel(10)
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self.addCleanup(logger.setLevel, old_level)
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self.addCleanup(logger.removeHandler, handler)
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# Make a resource and a Site, the resource will hang and allow us to
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# time out the request while it's 'processing'
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base_resource = Resource()
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base_resource.putChild(b"", HangingResource())
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site = SynapseSite("test", "site_tag", {}, base_resource, "1.0")
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server = site.buildProtocol(None)
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client = AccumulatingProtocol()
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client.makeConnection(FakeTransport(server, self.reactor))
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server.makeConnection(FakeTransport(client, self.reactor))
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# Send a request with an access token that will get redacted
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server.dataReceived(b"GET /?access_token=bar HTTP/1.0\r\n\r\n")
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self.pump()
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# Lose the connection
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e = Failure(Exception("Failed123"))
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server.connectionLost(e)
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handler.flush()
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# Our access token is redacted and the failure reason is logged.
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self.assertIn("/?access_token=<redacted>", output.getvalue())
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self.assertIn("Failed123", output.getvalue())
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