353 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			353 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Python
		
	
	
# Copyright 2018 New Vector 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 re
 | 
						|
 | 
						|
from twisted.internet.defer import Deferred
 | 
						|
from twisted.web.resource import Resource
 | 
						|
 | 
						|
from synapse.api.errors import Codes, RedirectException, SynapseError
 | 
						|
from synapse.config.server import parse_listener_def
 | 
						|
from synapse.http.server import DirectServeHtmlResource, JsonResource, OptionsResource
 | 
						|
from synapse.http.site import SynapseSite
 | 
						|
from synapse.logging.context import make_deferred_yieldable
 | 
						|
from synapse.util import Clock
 | 
						|
 | 
						|
from tests import unittest
 | 
						|
from tests.server import (
 | 
						|
    ThreadedMemoryReactorClock,
 | 
						|
    make_request,
 | 
						|
    render,
 | 
						|
    setup_test_homeserver,
 | 
						|
)
 | 
						|
 | 
						|
 | 
						|
class JsonResourceTests(unittest.TestCase):
 | 
						|
    def setUp(self):
 | 
						|
        self.reactor = ThreadedMemoryReactorClock()
 | 
						|
        self.hs_clock = Clock(self.reactor)
 | 
						|
        self.homeserver = setup_test_homeserver(
 | 
						|
            self.addCleanup, http_client=None, clock=self.hs_clock, reactor=self.reactor
 | 
						|
        )
 | 
						|
 | 
						|
    def test_handler_for_request(self):
 | 
						|
        """
 | 
						|
        JsonResource.handler_for_request gives correctly decoded URL args to
 | 
						|
        the callback, while Twisted will give the raw bytes of URL query
 | 
						|
        arguments.
 | 
						|
        """
 | 
						|
        got_kwargs = {}
 | 
						|
 | 
						|
        def _callback(request, **kwargs):
 | 
						|
            got_kwargs.update(kwargs)
 | 
						|
            return 200, kwargs
 | 
						|
 | 
						|
        res = JsonResource(self.homeserver)
 | 
						|
        res.register_paths(
 | 
						|
            "GET",
 | 
						|
            [re.compile("^/_matrix/foo/(?P<room_id>[^/]*)$")],
 | 
						|
            _callback,
 | 
						|
            "test_servlet",
 | 
						|
        )
 | 
						|
 | 
						|
        request, channel = make_request(
 | 
						|
            self.reactor, b"GET", b"/_matrix/foo/%E2%98%83?a=%E2%98%83"
 | 
						|
        )
 | 
						|
        render(request, res, self.reactor)
 | 
						|
 | 
						|
        self.assertEqual(request.args, {b"a": ["\N{SNOWMAN}".encode("utf8")]})
 | 
						|
        self.assertEqual(got_kwargs, {"room_id": "\N{SNOWMAN}"})
 | 
						|
 | 
						|
    def test_callback_direct_exception(self):
 | 
						|
        """
 | 
						|
        If the web callback raises an uncaught exception, it will be translated
 | 
						|
        into a 500.
 | 
						|
        """
 | 
						|
 | 
						|
        def _callback(request, **kwargs):
 | 
						|
            raise Exception("boo")
 | 
						|
 | 
						|
        res = JsonResource(self.homeserver)
 | 
						|
        res.register_paths(
 | 
						|
            "GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
 | 
						|
        )
 | 
						|
 | 
						|
        request, channel = make_request(self.reactor, b"GET", b"/_matrix/foo")
 | 
						|
        render(request, res, self.reactor)
 | 
						|
 | 
						|
        self.assertEqual(channel.result["code"], b"500")
 | 
						|
 | 
						|
    def test_callback_indirect_exception(self):
 | 
						|
        """
 | 
						|
        If the web callback raises an uncaught exception in a Deferred, it will
 | 
						|
        be translated into a 500.
 | 
						|
        """
 | 
						|
 | 
						|
        def _throw(*args):
 | 
						|
            raise Exception("boo")
 | 
						|
 | 
						|
        def _callback(request, **kwargs):
 | 
						|
            d = Deferred()
 | 
						|
            d.addCallback(_throw)
 | 
						|
            self.reactor.callLater(1, d.callback, True)
 | 
						|
            return make_deferred_yieldable(d)
 | 
						|
 | 
						|
        res = JsonResource(self.homeserver)
 | 
						|
        res.register_paths(
 | 
						|
            "GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
 | 
						|
        )
 | 
						|
 | 
						|
        request, channel = make_request(self.reactor, b"GET", b"/_matrix/foo")
 | 
						|
        render(request, res, self.reactor)
 | 
						|
 | 
						|
        self.assertEqual(channel.result["code"], b"500")
 | 
						|
 | 
						|
    def test_callback_synapseerror(self):
 | 
						|
        """
 | 
						|
        If the web callback raises a SynapseError, it returns the appropriate
 | 
						|
        status code and message set in it.
 | 
						|
        """
 | 
						|
 | 
						|
        def _callback(request, **kwargs):
 | 
						|
            raise SynapseError(403, "Forbidden!!one!", Codes.FORBIDDEN)
 | 
						|
 | 
						|
        res = JsonResource(self.homeserver)
 | 
						|
        res.register_paths(
 | 
						|
            "GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
 | 
						|
        )
 | 
						|
 | 
						|
        request, channel = make_request(self.reactor, b"GET", b"/_matrix/foo")
 | 
						|
        render(request, res, self.reactor)
 | 
						|
 | 
						|
        self.assertEqual(channel.result["code"], b"403")
 | 
						|
        self.assertEqual(channel.json_body["error"], "Forbidden!!one!")
 | 
						|
        self.assertEqual(channel.json_body["errcode"], "M_FORBIDDEN")
 | 
						|
 | 
						|
    def test_no_handler(self):
 | 
						|
        """
 | 
						|
        If there is no handler to process the request, Synapse will return 400.
 | 
						|
        """
 | 
						|
 | 
						|
        def _callback(request, **kwargs):
 | 
						|
            """
 | 
						|
            Not ever actually called!
 | 
						|
            """
 | 
						|
            self.fail("shouldn't ever get here")
 | 
						|
 | 
						|
        res = JsonResource(self.homeserver)
 | 
						|
        res.register_paths(
 | 
						|
            "GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
 | 
						|
        )
 | 
						|
 | 
						|
        request, channel = make_request(self.reactor, b"GET", b"/_matrix/foobar")
 | 
						|
        render(request, res, self.reactor)
 | 
						|
 | 
						|
        self.assertEqual(channel.result["code"], b"400")
 | 
						|
        self.assertEqual(channel.json_body["error"], "Unrecognized request")
 | 
						|
        self.assertEqual(channel.json_body["errcode"], "M_UNRECOGNIZED")
 | 
						|
 | 
						|
    def test_head_request(self):
 | 
						|
        """
 | 
						|
        JsonResource.handler_for_request gives correctly decoded URL args to
 | 
						|
        the callback, while Twisted will give the raw bytes of URL query
 | 
						|
        arguments.
 | 
						|
        """
 | 
						|
 | 
						|
        def _callback(request, **kwargs):
 | 
						|
            return 200, {"result": True}
 | 
						|
 | 
						|
        res = JsonResource(self.homeserver)
 | 
						|
        res.register_paths(
 | 
						|
            "GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet",
 | 
						|
        )
 | 
						|
 | 
						|
        # The path was registered as GET, but this is a HEAD request.
 | 
						|
        request, channel = make_request(self.reactor, b"HEAD", b"/_matrix/foo")
 | 
						|
        render(request, res, self.reactor)
 | 
						|
 | 
						|
        self.assertEqual(channel.result["code"], b"200")
 | 
						|
        self.assertNotIn("body", channel.result)
 | 
						|
 | 
						|
 | 
						|
class OptionsResourceTests(unittest.TestCase):
 | 
						|
    def setUp(self):
 | 
						|
        self.reactor = ThreadedMemoryReactorClock()
 | 
						|
 | 
						|
        class DummyResource(Resource):
 | 
						|
            isLeaf = True
 | 
						|
 | 
						|
            def render(self, request):
 | 
						|
                return request.path
 | 
						|
 | 
						|
        # Setup a resource with some children.
 | 
						|
        self.resource = OptionsResource()
 | 
						|
        self.resource.putChild(b"res", DummyResource())
 | 
						|
 | 
						|
    def _make_request(self, method, path):
 | 
						|
        """Create a request from the method/path and return a channel with the response."""
 | 
						|
        request, channel = make_request(self.reactor, method, path, shorthand=False)
 | 
						|
        request.prepath = []  # This doesn't get set properly by make_request.
 | 
						|
 | 
						|
        # Create a site and query for the resource.
 | 
						|
        site = SynapseSite(
 | 
						|
            "test",
 | 
						|
            "site_tag",
 | 
						|
            parse_listener_def({"type": "http", "port": 0}),
 | 
						|
            self.resource,
 | 
						|
            "1.0",
 | 
						|
        )
 | 
						|
        request.site = site
 | 
						|
        resource = site.getResourceFor(request)
 | 
						|
 | 
						|
        # Finally, render the resource and return the channel.
 | 
						|
        render(request, resource, self.reactor)
 | 
						|
        return channel
 | 
						|
 | 
						|
    def test_unknown_options_request(self):
 | 
						|
        """An OPTIONS requests to an unknown URL still returns 204 No Content."""
 | 
						|
        channel = self._make_request(b"OPTIONS", b"/foo/")
 | 
						|
        self.assertEqual(channel.result["code"], b"204")
 | 
						|
        self.assertNotIn("body", channel.result)
 | 
						|
 | 
						|
        # Ensure the correct CORS headers have been added
 | 
						|
        self.assertTrue(
 | 
						|
            channel.headers.hasHeader(b"Access-Control-Allow-Origin"),
 | 
						|
            "has CORS Origin header",
 | 
						|
        )
 | 
						|
        self.assertTrue(
 | 
						|
            channel.headers.hasHeader(b"Access-Control-Allow-Methods"),
 | 
						|
            "has CORS Methods header",
 | 
						|
        )
 | 
						|
        self.assertTrue(
 | 
						|
            channel.headers.hasHeader(b"Access-Control-Allow-Headers"),
 | 
						|
            "has CORS Headers header",
 | 
						|
        )
 | 
						|
 | 
						|
    def test_known_options_request(self):
 | 
						|
        """An OPTIONS requests to an known URL still returns 204 No Content."""
 | 
						|
        channel = self._make_request(b"OPTIONS", b"/res/")
 | 
						|
        self.assertEqual(channel.result["code"], b"204")
 | 
						|
        self.assertNotIn("body", channel.result)
 | 
						|
 | 
						|
        # Ensure the correct CORS headers have been added
 | 
						|
        self.assertTrue(
 | 
						|
            channel.headers.hasHeader(b"Access-Control-Allow-Origin"),
 | 
						|
            "has CORS Origin header",
 | 
						|
        )
 | 
						|
        self.assertTrue(
 | 
						|
            channel.headers.hasHeader(b"Access-Control-Allow-Methods"),
 | 
						|
            "has CORS Methods header",
 | 
						|
        )
 | 
						|
        self.assertTrue(
 | 
						|
            channel.headers.hasHeader(b"Access-Control-Allow-Headers"),
 | 
						|
            "has CORS Headers header",
 | 
						|
        )
 | 
						|
 | 
						|
    def test_unknown_request(self):
 | 
						|
        """A non-OPTIONS request to an unknown URL should 404."""
 | 
						|
        channel = self._make_request(b"GET", b"/foo/")
 | 
						|
        self.assertEqual(channel.result["code"], b"404")
 | 
						|
 | 
						|
    def test_known_request(self):
 | 
						|
        """A non-OPTIONS request to an known URL should query the proper resource."""
 | 
						|
        channel = self._make_request(b"GET", b"/res/")
 | 
						|
        self.assertEqual(channel.result["code"], b"200")
 | 
						|
        self.assertEqual(channel.result["body"], b"/res/")
 | 
						|
 | 
						|
 | 
						|
class WrapHtmlRequestHandlerTests(unittest.TestCase):
 | 
						|
    class TestResource(DirectServeHtmlResource):
 | 
						|
        callback = None
 | 
						|
 | 
						|
        async def _async_render_GET(self, request):
 | 
						|
            await self.callback(request)
 | 
						|
 | 
						|
    def setUp(self):
 | 
						|
        self.reactor = ThreadedMemoryReactorClock()
 | 
						|
 | 
						|
    def test_good_response(self):
 | 
						|
        async def callback(request):
 | 
						|
            request.write(b"response")
 | 
						|
            request.finish()
 | 
						|
 | 
						|
        res = WrapHtmlRequestHandlerTests.TestResource()
 | 
						|
        res.callback = callback
 | 
						|
 | 
						|
        request, channel = make_request(self.reactor, b"GET", b"/path")
 | 
						|
        render(request, res, self.reactor)
 | 
						|
 | 
						|
        self.assertEqual(channel.result["code"], b"200")
 | 
						|
        body = channel.result["body"]
 | 
						|
        self.assertEqual(body, b"response")
 | 
						|
 | 
						|
    def test_redirect_exception(self):
 | 
						|
        """
 | 
						|
        If the callback raises a RedirectException, it is turned into a 30x
 | 
						|
        with the right location.
 | 
						|
        """
 | 
						|
 | 
						|
        async def callback(request, **kwargs):
 | 
						|
            raise RedirectException(b"/look/an/eagle", 301)
 | 
						|
 | 
						|
        res = WrapHtmlRequestHandlerTests.TestResource()
 | 
						|
        res.callback = callback
 | 
						|
 | 
						|
        request, channel = make_request(self.reactor, b"GET", b"/path")
 | 
						|
        render(request, res, self.reactor)
 | 
						|
 | 
						|
        self.assertEqual(channel.result["code"], b"301")
 | 
						|
        headers = channel.result["headers"]
 | 
						|
        location_headers = [v for k, v in headers if k == b"Location"]
 | 
						|
        self.assertEqual(location_headers, [b"/look/an/eagle"])
 | 
						|
 | 
						|
    def test_redirect_exception_with_cookie(self):
 | 
						|
        """
 | 
						|
        If the callback raises a RedirectException which sets a cookie, that is
 | 
						|
        returned too
 | 
						|
        """
 | 
						|
 | 
						|
        async def callback(request, **kwargs):
 | 
						|
            e = RedirectException(b"/no/over/there", 304)
 | 
						|
            e.cookies.append(b"session=yespls")
 | 
						|
            raise e
 | 
						|
 | 
						|
        res = WrapHtmlRequestHandlerTests.TestResource()
 | 
						|
        res.callback = callback
 | 
						|
 | 
						|
        request, channel = make_request(self.reactor, b"GET", b"/path")
 | 
						|
        render(request, res, self.reactor)
 | 
						|
 | 
						|
        self.assertEqual(channel.result["code"], b"304")
 | 
						|
        headers = channel.result["headers"]
 | 
						|
        location_headers = [v for k, v in headers if k == b"Location"]
 | 
						|
        self.assertEqual(location_headers, [b"/no/over/there"])
 | 
						|
        cookies_headers = [v for k, v in headers if k == b"Set-Cookie"]
 | 
						|
        self.assertEqual(cookies_headers, [b"session=yespls"])
 | 
						|
 | 
						|
    def test_head_request(self):
 | 
						|
        """A head request should work by being turned into a GET request."""
 | 
						|
 | 
						|
        async def callback(request):
 | 
						|
            request.write(b"response")
 | 
						|
            request.finish()
 | 
						|
 | 
						|
        res = WrapHtmlRequestHandlerTests.TestResource()
 | 
						|
        res.callback = callback
 | 
						|
 | 
						|
        request, channel = make_request(self.reactor, b"HEAD", b"/path")
 | 
						|
        render(request, res, self.reactor)
 | 
						|
 | 
						|
        self.assertEqual(channel.result["code"], b"200")
 | 
						|
        self.assertNotIn("body", channel.result)
 |