2018-11-07 09:37:43 -05:00
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# Copyright 2018 New Vector Ltd
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2021-12-13 12:55:07 -05:00
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# Copyright 2021 The Matrix.org Foundation C.I.C.
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2018-11-07 09:37:43 -05:00
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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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2022-01-24 08:58:18 -05:00
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import base64
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import json
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2018-11-07 09:37:43 -05:00
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import os
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2020-07-27 07:50:44 -04:00
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import re
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from typing import Any, Dict, Optional, Sequence, Tuple, Type
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from urllib.parse import quote, urlencode
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2018-11-07 09:37:43 -05:00
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2018-12-21 09:56:13 -05:00
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from twisted.internet._resolver import HostResolution
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from twisted.internet.address import IPv4Address, IPv6Address
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from twisted.internet.error import DNSLookupError
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from twisted.internet.interfaces import IAddress, IResolutionReceiver
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from twisted.test.proto_helpers import AccumulatingProtocol, MemoryReactor
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2018-11-07 09:37:43 -05:00
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2021-08-31 18:37:07 -04:00
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from synapse.config.oembed import OEmbedEndpointConfig
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from synapse.rest.media.media_repository_resource import MediaRepositoryResource
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from synapse.rest.media.preview_url_resource import IMAGE_CACHE_EXPIRY_MS
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from synapse.server import HomeServer
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from synapse.types import JsonDict
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from synapse.util import Clock
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from synapse.util.stringutils import parse_and_validate_mxc_uri
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2018-11-07 09:37:43 -05:00
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from tests import unittest
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from tests.server import FakeTransport
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from tests.test_utils import SMALL_PNG
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from tests.utils import MockClock
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2021-01-07 06:41:28 -05:00
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try:
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import lxml
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except ImportError:
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lxml = None
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class URLPreviewTests(unittest.HomeserverTestCase):
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if not lxml:
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skip = "url preview feature requires lxml"
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hijack_auth = True
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user_id = "@test:user"
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end_content = (
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b"<html><head>"
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b'<meta property="og:title" content="~matrix~" />'
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b'<meta property="og:description" content="hi" />'
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b"</head></html>"
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)
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def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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config = self.default_config()
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config["url_preview_enabled"] = True
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config["max_spider_size"] = 9999999
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config["url_preview_ip_range_blacklist"] = (
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"192.168.1.1",
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"1.0.0.0/8",
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"3fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff",
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"2001:800::/21",
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)
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config["url_preview_ip_range_whitelist"] = ("1.1.1.1",)
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config["url_preview_accept_language"] = [
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"en-UK",
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"en-US;q=0.9",
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"fr;q=0.8",
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"*;q=0.7",
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]
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self.storage_path = self.mktemp()
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self.media_store_path = self.mktemp()
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os.mkdir(self.storage_path)
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os.mkdir(self.media_store_path)
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config["media_store_path"] = self.media_store_path
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provider_config = {
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"module": "synapse.media.storage_provider.FileStorageProviderBackend",
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"store_local": True,
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"store_synchronous": False,
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"store_remote": True,
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"config": {"directory": self.storage_path},
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}
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config["media_storage_providers"] = [provider_config]
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hs = self.setup_test_homeserver(config=config)
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2021-08-31 18:37:07 -04:00
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# After the hs is created, modify the parsed oEmbed config (to avoid
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# messing with files).
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#
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# Note that HTTP URLs are used to avoid having to deal with TLS in tests.
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hs.config.oembed.oembed_patterns = [
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OEmbedEndpointConfig(
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api_endpoint="http://publish.twitter.com/oembed",
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url_patterns=[
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re.compile(r"http://twitter\.com/.+/status/.+"),
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],
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formats=None,
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),
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OEmbedEndpointConfig(
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api_endpoint="http://www.hulu.com/api/oembed.{format}",
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url_patterns=[
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re.compile(r"http://www\.hulu\.com/watch/.+"),
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],
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formats=["json"],
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),
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]
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2018-11-07 09:37:43 -05:00
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return hs
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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self.media_repo = hs.get_media_repository_resource()
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self.preview_url = self.media_repo.children[b"preview_url"]
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self.lookups: Dict[str, Any] = {}
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2020-09-04 06:54:56 -04:00
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class Resolver:
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def resolveHostName(
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_self,
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resolutionReceiver: IResolutionReceiver,
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hostName: str,
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portNumber: int = 0,
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addressTypes: Optional[Sequence[Type[IAddress]]] = None,
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transportSemantics: str = "TCP",
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) -> IResolutionReceiver:
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resolution = HostResolution(hostName)
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resolutionReceiver.resolutionBegan(resolution)
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if hostName not in self.lookups:
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raise DNSLookupError("OH NO")
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for i in self.lookups[hostName]:
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resolutionReceiver.addressResolved(i[0]("TCP", i[1], portNumber))
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resolutionReceiver.resolutionComplete()
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return resolutionReceiver
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self.reactor.nameResolver = Resolver() # type: ignore[assignment]
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def create_test_resource(self) -> MediaRepositoryResource:
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return self.hs.get_media_repository_resource()
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2022-01-24 08:58:18 -05:00
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def _assert_small_png(self, json_body: JsonDict) -> None:
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"""Assert properties from the SMALL_PNG test image."""
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self.assertTrue(json_body["og:image"].startswith("mxc://"))
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self.assertEqual(json_body["og:image:height"], 1)
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self.assertEqual(json_body["og:image:width"], 1)
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self.assertEqual(json_body["og:image:type"], "image/png")
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self.assertEqual(json_body["matrix:image:size"], 67)
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def test_cache_returns_correct_type(self) -> None:
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self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
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channel = self.make_request(
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"GET",
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"preview_url?url=http://matrix.org",
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shorthand=False,
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await_result=False,
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)
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self.pump()
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2018-12-21 09:56:13 -05:00
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client = self.reactor.tcpClients[0][2].buildProtocol(None)
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server = AccumulatingProtocol()
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server.makeConnection(FakeTransport(client, self.reactor))
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client.makeConnection(FakeTransport(server, self.reactor))
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client.dataReceived(
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b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\nContent-Type: text/html\r\n\r\n"
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% (len(self.end_content),)
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+ self.end_content
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)
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self.pump()
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self.assertEqual(channel.code, 200)
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self.assertEqual(
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channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
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)
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# Check the cache returns the correct response
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channel = self.make_request(
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"GET", "preview_url?url=http://matrix.org", shorthand=False
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)
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# Check the cache response has the same content
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self.assertEqual(channel.code, 200)
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self.assertEqual(
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channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
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)
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# Clear the in-memory cache
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self.assertIn("http://matrix.org", self.preview_url._cache)
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self.preview_url._cache.pop("http://matrix.org")
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self.assertNotIn("http://matrix.org", self.preview_url._cache)
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# Check the database cache returns the correct response
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channel = self.make_request(
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"GET", "preview_url?url=http://matrix.org", shorthand=False
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)
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# Check the cache response has the same content
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self.assertEqual(channel.code, 200)
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self.assertEqual(
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channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
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)
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def test_non_ascii_preview_httpequiv(self) -> None:
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self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
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end_content = (
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b"<html><head>"
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b'<meta http-equiv="Content-Type" content="text/html; charset=windows-1251"/>'
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b'<meta property="og:title" content="\xe4\xea\xe0" />'
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b'<meta property="og:description" content="hi" />'
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b"</head></html>"
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)
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channel = self.make_request(
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"GET",
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"preview_url?url=http://matrix.org",
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shorthand=False,
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await_result=False,
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)
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self.pump()
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2018-12-21 09:56:13 -05:00
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client = self.reactor.tcpClients[0][2].buildProtocol(None)
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server = AccumulatingProtocol()
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server.makeConnection(FakeTransport(client, self.reactor))
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client.makeConnection(FakeTransport(server, self.reactor))
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client.dataReceived(
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(
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b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
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b'Content-Type: text/html; charset="utf8"\r\n\r\n'
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)
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% (len(end_content),)
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+ end_content
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)
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self.pump()
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self.assertEqual(channel.code, 200)
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self.assertEqual(channel.json_body["og:title"], "\u0434\u043a\u0430")
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def test_video_rejected(self) -> None:
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self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
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end_content = b"anything"
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channel = self.make_request(
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"GET",
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"preview_url?url=http://matrix.org",
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shorthand=False,
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await_result=False,
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)
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self.pump()
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client = self.reactor.tcpClients[0][2].buildProtocol(None)
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server = AccumulatingProtocol()
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server.makeConnection(FakeTransport(client, self.reactor))
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client.makeConnection(FakeTransport(server, self.reactor))
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client.dataReceived(
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(
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b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
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b"Content-Type: video/mp4\r\n\r\n"
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)
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% (len(end_content))
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+ end_content
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)
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self.pump()
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|
|
self.assertEqual(channel.code, 502)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
|
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "Requested file's content type not allowed for this operation: video/mp4",
|
|
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_audio_rejected(self) -> None:
|
2022-02-10 10:43:01 -05:00
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
|
|
|
|
|
end_content = b"anything"
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://matrix.org",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b"Content-Type: audio/aac\r\n\r\n"
|
|
|
|
|
)
|
|
|
|
|
% (len(end_content))
|
|
|
|
|
+ end_content
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 502)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
|
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "Requested file's content type not allowed for this operation: audio/aac",
|
|
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_non_ascii_preview_content_type(self) -> None:
|
2020-07-27 07:50:44 -04:00
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
|
2018-11-15 12:05:08 -05:00
|
|
|
|
|
|
|
|
end_content = (
|
|
|
|
|
b"<html><head>"
|
|
|
|
|
b'<meta property="og:title" content="\xe4\xea\xe0" />'
|
|
|
|
|
b'<meta property="og:description" content="hi" />'
|
|
|
|
|
b"</head></html>"
|
|
|
|
|
)
|
|
|
|
|
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-15 17:47:54 -05:00
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://matrix.org",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
2018-12-21 09:56:13 -05:00
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
2018-11-15 12:05:08 -05:00
|
|
|
(
|
2018-12-21 09:56:13 -05:00
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b'Content-Type: text/html; charset="windows-1251"\r\n\r\n'
|
2018-11-15 12:05:08 -05:00
|
|
|
)
|
2018-12-21 09:56:13 -05:00
|
|
|
% (len(end_content),)
|
|
|
|
|
+ end_content
|
2018-11-15 12:05:08 -05:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
self.assertEqual(channel.json_body["og:title"], "\u0434\u043a\u0430")
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_overlong_title(self) -> None:
|
2020-07-27 07:50:44 -04:00
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
|
2019-11-05 10:45:17 -05:00
|
|
|
|
|
|
|
|
end_content = (
|
|
|
|
|
b"<html><head>"
|
|
|
|
|
b"<title>" + b"x" * 2000 + b"</title>"
|
|
|
|
|
b'<meta property="og:description" content="hi" />'
|
|
|
|
|
b"</head></html>"
|
|
|
|
|
)
|
|
|
|
|
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-15 17:47:54 -05:00
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://matrix.org",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
2019-11-05 10:45:17 -05:00
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b'Content-Type: text/html; charset="windows-1251"\r\n\r\n'
|
|
|
|
|
)
|
|
|
|
|
% (len(end_content),)
|
|
|
|
|
+ end_content
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
res = channel.json_body
|
2019-11-05 11:46:39 -05:00
|
|
|
# We should only see the `og:description` field, as `title` is too long and should be stripped out
|
2019-11-05 10:45:17 -05:00
|
|
|
self.assertCountEqual(["og:description"], res.keys())
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_ipaddr(self) -> None:
|
2018-12-21 09:56:13 -05:00
|
|
|
"""
|
|
|
|
|
IP addresses can be previewed directly.
|
|
|
|
|
"""
|
2020-07-27 07:50:44 -04:00
|
|
|
self.lookups["example.com"] = [(IPv4Address, "10.1.2.3")]
|
2018-11-15 12:05:08 -05:00
|
|
|
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-15 17:47:54 -05:00
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://example.com",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
2018-11-15 12:05:08 -05:00
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
2018-12-21 09:56:13 -05:00
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\nContent-Type: text/html\r\n\r\n"
|
|
|
|
|
% (len(self.end_content),)
|
|
|
|
|
+ self.end_content
|
|
|
|
|
)
|
2018-11-15 12:05:08 -05:00
|
|
|
|
2018-12-21 09:56:13 -05:00
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
|
2018-11-15 12:05:08 -05:00
|
|
|
)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_blacklisted_ip_specific(self) -> None:
|
2018-12-21 09:56:13 -05:00
|
|
|
"""
|
|
|
|
|
Blacklisted IP addresses, found via DNS, are not spidered.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [(IPv4Address, "192.168.1.1")]
|
|
|
|
|
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-13 20:29:16 -05:00
|
|
|
"GET", "preview_url?url=http://example.com", shorthand=False
|
2018-12-21 09:56:13 -05:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# No requests made.
|
|
|
|
|
self.assertEqual(len(self.reactor.tcpClients), 0)
|
2019-05-10 13:32:44 -04:00
|
|
|
self.assertEqual(channel.code, 502)
|
2018-12-21 09:56:13 -05:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
|
|
|
|
"errcode": "M_UNKNOWN",
|
2019-05-10 13:32:44 -04:00
|
|
|
"error": "DNS resolution failure during URL preview generation",
|
2018-12-21 09:56:13 -05:00
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_blacklisted_ip_range(self) -> None:
|
2018-12-21 09:56:13 -05:00
|
|
|
"""
|
|
|
|
|
Blacklisted IP ranges, IPs found over DNS, are not spidered.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [(IPv4Address, "1.1.1.2")]
|
|
|
|
|
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-13 20:29:16 -05:00
|
|
|
"GET", "preview_url?url=http://example.com", shorthand=False
|
2018-12-21 09:56:13 -05:00
|
|
|
)
|
|
|
|
|
|
2019-05-10 13:32:44 -04:00
|
|
|
self.assertEqual(channel.code, 502)
|
2018-12-21 09:56:13 -05:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
|
|
|
|
"errcode": "M_UNKNOWN",
|
2019-05-10 13:32:44 -04:00
|
|
|
"error": "DNS resolution failure during URL preview generation",
|
2018-12-21 09:56:13 -05:00
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_blacklisted_ip_specific_direct(self) -> None:
|
2018-12-21 09:56:13 -05:00
|
|
|
"""
|
|
|
|
|
Blacklisted IP addresses, accessed directly, are not spidered.
|
|
|
|
|
"""
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-13 20:29:16 -05:00
|
|
|
"GET", "preview_url?url=http://192.168.1.1", shorthand=False
|
2018-12-21 09:56:13 -05:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# No requests made.
|
|
|
|
|
self.assertEqual(len(self.reactor.tcpClients), 0)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
|
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "IP address blocked by IP blacklist entry",
|
|
|
|
|
},
|
|
|
|
|
)
|
2019-05-10 13:32:44 -04:00
|
|
|
self.assertEqual(channel.code, 403)
|
2018-12-21 09:56:13 -05:00
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_blacklisted_ip_range_direct(self) -> None:
|
2018-12-21 09:56:13 -05:00
|
|
|
"""
|
|
|
|
|
Blacklisted IP ranges, accessed directly, are not spidered.
|
|
|
|
|
"""
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-13 20:29:16 -05:00
|
|
|
"GET", "preview_url?url=http://1.1.1.2", shorthand=False
|
2018-12-21 09:56:13 -05:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.assertEqual(channel.code, 403)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
|
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "IP address blocked by IP blacklist entry",
|
|
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_blacklisted_ip_range_whitelisted_ip(self) -> None:
|
2018-12-21 09:56:13 -05:00
|
|
|
"""
|
|
|
|
|
Blacklisted but then subsequently whitelisted IP addresses can be
|
|
|
|
|
spidered.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [(IPv4Address, "1.1.1.1")]
|
|
|
|
|
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-15 17:47:54 -05:00
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://example.com",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
2018-12-21 09:56:13 -05:00
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\nContent-Type: text/html\r\n\r\n"
|
|
|
|
|
% (len(self.end_content),)
|
|
|
|
|
+ self.end_content
|
2018-11-15 12:05:08 -05:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
2018-12-21 09:56:13 -05:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
|
|
|
|
|
)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_blacklisted_ip_with_external_ip(self) -> None:
|
2018-12-21 09:56:13 -05:00
|
|
|
"""
|
|
|
|
|
If a hostname resolves a blacklisted IP, even if there's a
|
|
|
|
|
non-blacklisted one, it will be rejected.
|
|
|
|
|
"""
|
|
|
|
|
# Hardcode the URL resolving to the IP we want.
|
|
|
|
|
self.lookups["example.com"] = [
|
|
|
|
|
(IPv4Address, "1.1.1.2"),
|
2020-07-27 07:50:44 -04:00
|
|
|
(IPv4Address, "10.1.2.3"),
|
2018-12-21 09:56:13 -05:00
|
|
|
]
|
|
|
|
|
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-13 20:29:16 -05:00
|
|
|
"GET", "preview_url?url=http://example.com", shorthand=False
|
2018-12-21 09:56:13 -05:00
|
|
|
)
|
2019-05-10 13:32:44 -04:00
|
|
|
self.assertEqual(channel.code, 502)
|
2018-12-21 09:56:13 -05:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
|
|
|
|
"errcode": "M_UNKNOWN",
|
2019-05-10 13:32:44 -04:00
|
|
|
"error": "DNS resolution failure during URL preview generation",
|
2018-12-21 09:56:13 -05:00
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_blacklisted_ipv6_specific(self) -> None:
|
2018-12-21 09:56:13 -05:00
|
|
|
"""
|
|
|
|
|
Blacklisted IP addresses, found via DNS, are not spidered.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [
|
|
|
|
|
(IPv6Address, "3fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
|
|
|
|
|
]
|
|
|
|
|
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-13 20:29:16 -05:00
|
|
|
"GET", "preview_url?url=http://example.com", shorthand=False
|
2018-12-21 09:56:13 -05:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# No requests made.
|
|
|
|
|
self.assertEqual(len(self.reactor.tcpClients), 0)
|
2019-05-10 13:32:44 -04:00
|
|
|
self.assertEqual(channel.code, 502)
|
2018-12-21 09:56:13 -05:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
|
|
|
|
"errcode": "M_UNKNOWN",
|
2019-05-10 13:32:44 -04:00
|
|
|
"error": "DNS resolution failure during URL preview generation",
|
2018-12-21 09:56:13 -05:00
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_blacklisted_ipv6_range(self) -> None:
|
2018-12-21 09:56:13 -05:00
|
|
|
"""
|
|
|
|
|
Blacklisted IP ranges, IPs found over DNS, are not spidered.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [(IPv6Address, "2001:800::1")]
|
|
|
|
|
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-13 20:29:16 -05:00
|
|
|
"GET", "preview_url?url=http://example.com", shorthand=False
|
2018-12-21 09:56:13 -05:00
|
|
|
)
|
|
|
|
|
|
2019-05-10 13:32:44 -04:00
|
|
|
self.assertEqual(channel.code, 502)
|
2018-12-21 09:56:13 -05:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
|
|
|
|
"errcode": "M_UNKNOWN",
|
2019-05-10 13:32:44 -04:00
|
|
|
"error": "DNS resolution failure during URL preview generation",
|
2018-12-21 09:56:13 -05:00
|
|
|
},
|
|
|
|
|
)
|
2019-07-02 14:01:28 -04:00
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_OPTIONS(self) -> None:
|
2019-07-02 14:01:28 -04:00
|
|
|
"""
|
|
|
|
|
OPTIONS returns the OPTIONS.
|
|
|
|
|
"""
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-13 20:29:16 -05:00
|
|
|
"OPTIONS", "preview_url?url=http://example.com", shorthand=False
|
2019-07-02 14:01:28 -04:00
|
|
|
)
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
self.assertEqual(channel.json_body, {})
|
2020-04-15 08:35:29 -04:00
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_accept_language_config_option(self) -> None:
|
2020-04-15 08:35:29 -04:00
|
|
|
"""
|
|
|
|
|
Accept-Language header is sent to the remote server
|
|
|
|
|
"""
|
2020-07-27 07:50:44 -04:00
|
|
|
self.lookups["example.com"] = [(IPv4Address, "10.1.2.3")]
|
2020-04-15 08:35:29 -04:00
|
|
|
|
|
|
|
|
# Build and make a request to the server
|
2020-12-15 09:44:04 -05:00
|
|
|
channel = self.make_request(
|
2020-11-15 17:47:54 -05:00
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://example.com",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
2020-04-15 08:35:29 -04:00
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
# Extract Synapse's tcp client
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
|
|
|
|
|
# Build a fake remote server to reply with
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
|
|
|
|
|
# Connect the two together
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
|
|
|
|
|
# Tell Synapse that it has received some data from the remote server
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\nContent-Type: text/html\r\n\r\n"
|
|
|
|
|
% (len(self.end_content),)
|
|
|
|
|
+ self.end_content
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# Move the reactor along until we get a response on our original channel
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# Check that the server received the Accept-Language header as part
|
|
|
|
|
# of the request from Synapse
|
|
|
|
|
self.assertIn(
|
|
|
|
|
(
|
|
|
|
|
b"Accept-Language: en-UK\r\n"
|
|
|
|
|
b"Accept-Language: en-US;q=0.9\r\n"
|
|
|
|
|
b"Accept-Language: fr;q=0.8\r\n"
|
|
|
|
|
b"Accept-Language: *;q=0.7"
|
|
|
|
|
),
|
|
|
|
|
server.data,
|
|
|
|
|
)
|
2020-07-27 07:50:44 -04:00
|
|
|
|
2022-06-06 07:46:04 -04:00
|
|
|
def test_nonexistent_image(self) -> None:
|
|
|
|
|
"""If the preview image doesn't exist, ensure some data is returned."""
|
|
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
|
2023-02-23 16:08:53 -05:00
|
|
|
result = (
|
2022-06-06 07:46:04 -04:00
|
|
|
b"""<html><body><img src="http://cdn.matrix.org/foo.jpg"></body></html>"""
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://matrix.org",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b'Content-Type: text/html; charset="utf8"\r\n\r\n'
|
|
|
|
|
)
|
2023-02-23 16:08:53 -05:00
|
|
|
% (len(result),)
|
|
|
|
|
+ result
|
2022-06-06 07:46:04 -04:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
|
|
|
|
|
# The image should not be in the result.
|
|
|
|
|
self.assertNotIn("og:image", channel.json_body)
|
|
|
|
|
|
2023-02-23 16:08:53 -05:00
|
|
|
def test_oembed_failure(self) -> None:
|
|
|
|
|
"""If the autodiscovered oEmbed URL fails, ensure some data is returned."""
|
|
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
|
|
|
|
|
result = b"""
|
|
|
|
|
<title>oEmbed Autodiscovery Fail</title>
|
|
|
|
|
<link rel="alternate" type="application/json+oembed"
|
|
|
|
|
href="http://example.com/oembed?url=http%3A%2F%2Fmatrix.org&format=json"
|
|
|
|
|
title="matrixdotorg" />
|
|
|
|
|
"""
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://matrix.org",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b'Content-Type: text/html; charset="utf8"\r\n\r\n'
|
|
|
|
|
)
|
|
|
|
|
% (len(result),)
|
|
|
|
|
+ result
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
|
|
|
|
|
# The image should not be in the result.
|
|
|
|
|
self.assertEqual(channel.json_body["og:title"], "oEmbed Autodiscovery Fail")
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_data_url(self) -> None:
|
2022-01-24 08:58:18 -05:00
|
|
|
"""
|
|
|
|
|
Requesting to preview a data URL is not supported.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
|
|
|
|
|
data = base64.b64encode(SMALL_PNG).decode()
|
|
|
|
|
|
|
|
|
|
query_params = urlencode(
|
|
|
|
|
{
|
|
|
|
|
"url": f'<html><head><img src="data:image/png;base64,{data}" /></head></html>'
|
|
|
|
|
}
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
f"preview_url?{query_params}",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
self.assertEqual(channel.code, 500)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_inline_data_url(self) -> None:
|
2022-01-24 08:58:18 -05:00
|
|
|
"""
|
|
|
|
|
An inline image (as a data URL) should be parsed properly.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
|
|
|
|
|
data = base64.b64encode(SMALL_PNG)
|
|
|
|
|
|
|
|
|
|
end_content = (
|
|
|
|
|
b"<html><head>" b'<img src="data:image/png;base64,%s" />' b"</head></html>"
|
|
|
|
|
) % (data,)
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://matrix.org",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b'Content-Type: text/html; charset="utf8"\r\n\r\n'
|
|
|
|
|
)
|
|
|
|
|
% (len(end_content),)
|
|
|
|
|
+ end_content
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
self._assert_small_png(channel.json_body)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_oembed_photo(self) -> None:
|
2020-07-27 07:50:44 -04:00
|
|
|
"""Test an oEmbed endpoint which returns a 'photo' type which redirects the preview to a new URL."""
|
2021-08-31 18:37:07 -04:00
|
|
|
self.lookups["publish.twitter.com"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
self.lookups["cdn.twitter.com"] = [(IPv4Address, "10.1.2.3")]
|
2020-07-27 07:50:44 -04:00
|
|
|
|
2021-08-31 18:37:07 -04:00
|
|
|
result = {
|
|
|
|
|
"version": "1.0",
|
|
|
|
|
"type": "photo",
|
|
|
|
|
"url": "http://cdn.twitter.com/matrixdotorg",
|
|
|
|
|
}
|
|
|
|
|
oembed_content = json.dumps(result).encode("utf-8")
|
2020-07-27 07:50:44 -04:00
|
|
|
|
2021-08-31 18:37:07 -04:00
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://twitter.com/matrixdotorg/status/12345",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b'Content-Type: application/json; charset="utf8"\r\n\r\n'
|
2020-07-27 07:50:44 -04:00
|
|
|
)
|
2021-08-31 18:37:07 -04:00
|
|
|
% (len(oembed_content),)
|
|
|
|
|
+ oembed_content
|
|
|
|
|
)
|
2020-07-27 07:50:44 -04:00
|
|
|
|
2021-08-31 18:37:07 -04:00
|
|
|
self.pump()
|
2020-07-27 07:50:44 -04:00
|
|
|
|
2021-09-21 12:09:57 -04:00
|
|
|
# Ensure a second request is made to the photo URL.
|
2021-08-31 18:37:07 -04:00
|
|
|
client = self.reactor.tcpClients[1][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
2021-09-21 12:09:57 -04:00
|
|
|
b"Content-Type: image/png\r\n\r\n"
|
2020-07-27 07:50:44 -04:00
|
|
|
)
|
2021-09-21 12:09:57 -04:00
|
|
|
% (len(SMALL_PNG),)
|
|
|
|
|
+ SMALL_PNG
|
2021-08-31 18:37:07 -04:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
|
2021-09-21 12:09:57 -04:00
|
|
|
# Ensure the URL is what was requested.
|
|
|
|
|
self.assertIn(b"/matrixdotorg", server.data)
|
|
|
|
|
|
2021-08-31 18:37:07 -04:00
|
|
|
self.assertEqual(channel.code, 200)
|
2021-09-22 09:45:20 -04:00
|
|
|
body = channel.json_body
|
|
|
|
|
self.assertEqual(body["og:url"], "http://twitter.com/matrixdotorg/status/12345")
|
2022-01-24 08:58:18 -05:00
|
|
|
self._assert_small_png(body)
|
2020-07-27 07:50:44 -04:00
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_oembed_rich(self) -> None:
|
2020-07-27 07:50:44 -04:00
|
|
|
"""Test an oEmbed endpoint which returns HTML content via the 'rich' type."""
|
2021-08-31 18:37:07 -04:00
|
|
|
self.lookups["publish.twitter.com"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
|
|
|
|
|
result = {
|
|
|
|
|
"version": "1.0",
|
|
|
|
|
"type": "rich",
|
2021-09-22 09:45:20 -04:00
|
|
|
# Note that this provides the author, not the title.
|
|
|
|
|
"author_name": "Alice",
|
2021-08-31 18:37:07 -04:00
|
|
|
"html": "<div>Content Preview</div>",
|
|
|
|
|
}
|
|
|
|
|
end_content = json.dumps(result).encode("utf-8")
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://twitter.com/matrixdotorg/status/12345",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
2020-07-27 07:50:44 -04:00
|
|
|
|
2021-08-31 18:37:07 -04:00
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b'Content-Type: application/json; charset="utf8"\r\n\r\n'
|
2020-07-27 07:50:44 -04:00
|
|
|
)
|
2021-08-31 18:37:07 -04:00
|
|
|
% (len(end_content),)
|
|
|
|
|
+ end_content
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
2021-09-22 09:45:20 -04:00
|
|
|
body = channel.json_body
|
2021-08-31 18:37:07 -04:00
|
|
|
self.assertEqual(
|
2021-09-22 09:45:20 -04:00
|
|
|
body,
|
|
|
|
|
{
|
|
|
|
|
"og:url": "http://twitter.com/matrixdotorg/status/12345",
|
|
|
|
|
"og:title": "Alice",
|
|
|
|
|
"og:description": "Content Preview",
|
|
|
|
|
},
|
2021-08-31 18:37:07 -04:00
|
|
|
)
|
2021-09-08 07:17:52 -04:00
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_oembed_format(self) -> None:
|
2021-09-08 07:17:52 -04:00
|
|
|
"""Test an oEmbed endpoint which requires the format in the URL."""
|
|
|
|
|
self.lookups["www.hulu.com"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
|
|
|
|
|
result = {
|
|
|
|
|
"version": "1.0",
|
|
|
|
|
"type": "rich",
|
|
|
|
|
"html": "<div>Content Preview</div>",
|
|
|
|
|
}
|
|
|
|
|
end_content = json.dumps(result).encode("utf-8")
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://www.hulu.com/watch/12345",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b'Content-Type: application/json; charset="utf8"\r\n\r\n'
|
|
|
|
|
)
|
|
|
|
|
% (len(end_content),)
|
|
|
|
|
+ end_content
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
# The {format} should have been turned into json.
|
|
|
|
|
self.assertIn(b"/api/oembed.json", server.data)
|
|
|
|
|
# A URL parameter of format=json should be provided.
|
|
|
|
|
self.assertIn(b"format=json", server.data)
|
|
|
|
|
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
2021-09-22 09:45:20 -04:00
|
|
|
body = channel.json_body
|
2021-09-08 07:17:52 -04:00
|
|
|
self.assertEqual(
|
2021-09-22 09:45:20 -04:00
|
|
|
body,
|
|
|
|
|
{
|
|
|
|
|
"og:url": "http://www.hulu.com/watch/12345",
|
|
|
|
|
"og:description": "Content Preview",
|
|
|
|
|
},
|
2021-09-08 07:17:52 -04:00
|
|
|
)
|
2021-09-27 07:55:27 -04:00
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_oembed_autodiscovery(self) -> None:
|
2021-10-08 14:14:42 -04:00
|
|
|
"""
|
|
|
|
|
Autodiscovery works by finding the link in the HTML response and then requesting an oEmbed URL.
|
|
|
|
|
1. Request a preview of a URL which is not known to the oEmbed code.
|
|
|
|
|
2. It returns HTML including a link to an oEmbed preview.
|
|
|
|
|
3. The oEmbed preview is requested and returns a URL for an image.
|
|
|
|
|
4. The image is requested for thumbnailing.
|
|
|
|
|
"""
|
|
|
|
|
# This is a little cheesy in that we use the www subdomain (which isn't the
|
|
|
|
|
# list of oEmbed patterns) to get "raw" HTML response.
|
|
|
|
|
self.lookups["www.twitter.com"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
self.lookups["publish.twitter.com"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
self.lookups["cdn.twitter.com"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
|
|
|
|
|
result = b"""
|
|
|
|
|
<link rel="alternate" type="application/json+oembed"
|
|
|
|
|
href="http://publish.twitter.com/oembed?url=http%3A%2F%2Fcdn.twitter.com%2Fmatrixdotorg%2Fstatus%2F12345&format=json"
|
|
|
|
|
title="matrixdotorg" />
|
|
|
|
|
"""
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://www.twitter.com/matrixdotorg/status/12345",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b'Content-Type: text/html; charset="utf8"\r\n\r\n'
|
|
|
|
|
)
|
|
|
|
|
% (len(result),)
|
|
|
|
|
+ result
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
# The oEmbed response.
|
|
|
|
|
result2 = {
|
|
|
|
|
"version": "1.0",
|
|
|
|
|
"type": "photo",
|
|
|
|
|
"url": "http://cdn.twitter.com/matrixdotorg",
|
|
|
|
|
}
|
|
|
|
|
oembed_content = json.dumps(result2).encode("utf-8")
|
|
|
|
|
|
|
|
|
|
# Ensure a second request is made to the oEmbed URL.
|
|
|
|
|
client = self.reactor.tcpClients[1][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b'Content-Type: application/json; charset="utf8"\r\n\r\n'
|
|
|
|
|
)
|
|
|
|
|
% (len(oembed_content),)
|
|
|
|
|
+ oembed_content
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
# Ensure the URL is what was requested.
|
|
|
|
|
self.assertIn(b"/oembed?", server.data)
|
|
|
|
|
|
|
|
|
|
# Ensure a third request is made to the photo URL.
|
|
|
|
|
client = self.reactor.tcpClients[2][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
|
|
|
|
b"Content-Type: image/png\r\n\r\n"
|
|
|
|
|
)
|
|
|
|
|
% (len(SMALL_PNG),)
|
|
|
|
|
+ SMALL_PNG
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
# Ensure the URL is what was requested.
|
|
|
|
|
self.assertIn(b"/matrixdotorg", server.data)
|
|
|
|
|
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
body = channel.json_body
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
body["og:url"], "http://www.twitter.com/matrixdotorg/status/12345"
|
|
|
|
|
)
|
2022-01-24 08:58:18 -05:00
|
|
|
self._assert_small_png(body)
|
2021-10-08 14:14:42 -04:00
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def _download_image(self) -> Tuple[str, str]:
|
2021-09-27 07:55:27 -04:00
|
|
|
"""Downloads an image into the URL cache.
|
|
|
|
|
Returns:
|
|
|
|
|
A (host, media_id) tuple representing the MXC URI of the image.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["cdn.twitter.com"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=http://cdn.twitter.com/matrixdotorg",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\nContent-Type: image/png\r\n\r\n"
|
|
|
|
|
% (len(SMALL_PNG),)
|
|
|
|
|
+ SMALL_PNG
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
body = channel.json_body
|
|
|
|
|
mxc_uri = body["og:image"]
|
|
|
|
|
host, _port, media_id = parse_and_validate_mxc_uri(mxc_uri)
|
|
|
|
|
self.assertIsNone(_port)
|
|
|
|
|
return host, media_id
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_storage_providers_exclude_files(self) -> None:
|
2021-09-27 07:55:27 -04:00
|
|
|
"""Test that files are not stored in or fetched from storage providers."""
|
|
|
|
|
host, media_id = self._download_image()
|
|
|
|
|
|
|
|
|
|
rel_file_path = self.preview_url.filepaths.url_cache_filepath_rel(media_id)
|
|
|
|
|
media_store_path = os.path.join(self.media_store_path, rel_file_path)
|
|
|
|
|
storage_provider_path = os.path.join(self.storage_path, rel_file_path)
|
|
|
|
|
|
|
|
|
|
# Check storage
|
|
|
|
|
self.assertTrue(os.path.isfile(media_store_path))
|
|
|
|
|
self.assertFalse(
|
|
|
|
|
os.path.isfile(storage_provider_path),
|
|
|
|
|
"URL cache file was unexpectedly stored in a storage provider",
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# Check fetching
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
f"download/{host}/{media_id}",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
|
|
|
|
|
# Move cached file into the storage provider
|
|
|
|
|
os.makedirs(os.path.dirname(storage_provider_path), exist_ok=True)
|
|
|
|
|
os.rename(media_store_path, storage_provider_path)
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
f"download/{host}/{media_id}",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.code,
|
|
|
|
|
404,
|
|
|
|
|
"URL cache file was unexpectedly retrieved from a storage provider",
|
|
|
|
|
)
|
|
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_storage_providers_exclude_thumbnails(self) -> None:
|
2021-09-27 07:55:27 -04:00
|
|
|
"""Test that thumbnails are not stored in or fetched from storage providers."""
|
|
|
|
|
host, media_id = self._download_image()
|
|
|
|
|
|
|
|
|
|
rel_thumbnail_path = (
|
|
|
|
|
self.preview_url.filepaths.url_cache_thumbnail_directory_rel(media_id)
|
|
|
|
|
)
|
|
|
|
|
media_store_thumbnail_path = os.path.join(
|
|
|
|
|
self.media_store_path, rel_thumbnail_path
|
|
|
|
|
)
|
|
|
|
|
storage_provider_thumbnail_path = os.path.join(
|
|
|
|
|
self.storage_path, rel_thumbnail_path
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# Check storage
|
|
|
|
|
self.assertTrue(os.path.isdir(media_store_thumbnail_path))
|
|
|
|
|
self.assertFalse(
|
|
|
|
|
os.path.isdir(storage_provider_thumbnail_path),
|
|
|
|
|
"URL cache thumbnails were unexpectedly stored in a storage provider",
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# Check fetching
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
f"thumbnail/{host}/{media_id}?width=32&height=32&method=scale",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
|
|
|
|
|
# Remove the original, otherwise thumbnails will regenerate
|
|
|
|
|
rel_file_path = self.preview_url.filepaths.url_cache_filepath_rel(media_id)
|
|
|
|
|
media_store_path = os.path.join(self.media_store_path, rel_file_path)
|
|
|
|
|
os.remove(media_store_path)
|
|
|
|
|
|
|
|
|
|
# Move cached thumbnails into the storage provider
|
|
|
|
|
os.makedirs(os.path.dirname(storage_provider_thumbnail_path), exist_ok=True)
|
|
|
|
|
os.rename(media_store_thumbnail_path, storage_provider_thumbnail_path)
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
f"thumbnail/{host}/{media_id}?width=32&height=32&method=scale",
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.code,
|
|
|
|
|
404,
|
|
|
|
|
"URL cache thumbnail was unexpectedly retrieved from a storage provider",
|
|
|
|
|
)
|
2021-09-29 05:24:37 -04:00
|
|
|
|
2022-03-11 07:42:22 -05:00
|
|
|
def test_cache_expiry(self) -> None:
|
2021-09-29 05:24:37 -04:00
|
|
|
"""Test that URL cache files and thumbnails are cleaned up properly on expiry."""
|
|
|
|
|
self.preview_url.clock = MockClock()
|
|
|
|
|
|
|
|
|
|
_host, media_id = self._download_image()
|
|
|
|
|
|
|
|
|
|
file_path = self.preview_url.filepaths.url_cache_filepath(media_id)
|
|
|
|
|
file_dirs = self.preview_url.filepaths.url_cache_filepath_dirs_to_delete(
|
|
|
|
|
media_id
|
|
|
|
|
)
|
|
|
|
|
thumbnail_dir = self.preview_url.filepaths.url_cache_thumbnail_directory(
|
|
|
|
|
media_id
|
|
|
|
|
)
|
|
|
|
|
thumbnail_dirs = self.preview_url.filepaths.url_cache_thumbnail_dirs_to_delete(
|
|
|
|
|
media_id
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.assertTrue(os.path.isfile(file_path))
|
|
|
|
|
self.assertTrue(os.path.isdir(thumbnail_dir))
|
|
|
|
|
|
|
|
|
|
self.preview_url.clock.advance_time_msec(IMAGE_CACHE_EXPIRY_MS + 1)
|
|
|
|
|
self.get_success(self.preview_url._expire_url_cache_data())
|
|
|
|
|
|
|
|
|
|
for path in [file_path] + file_dirs + [thumbnail_dir] + thumbnail_dirs:
|
|
|
|
|
self.assertFalse(
|
|
|
|
|
os.path.exists(path),
|
|
|
|
|
f"{os.path.relpath(path, self.media_store_path)} was not deleted",
|
|
|
|
|
)
|
2022-03-31 05:49:49 -04:00
|
|
|
|
|
|
|
|
@unittest.override_config({"url_preview_url_blacklist": [{"port": "*"}]})
|
|
|
|
|
def test_blacklist_port(self) -> None:
|
|
|
|
|
"""Tests that blacklisting URLs with a port makes previewing such URLs
|
|
|
|
|
fail with a 403 error and doesn't impact other previews.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "10.1.2.3")]
|
|
|
|
|
|
|
|
|
|
bad_url = quote("http://matrix.org:8888/foo")
|
|
|
|
|
good_url = quote("http://matrix.org/foo")
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=" + bad_url,
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 403, channel.result)
|
|
|
|
|
|
|
|
|
|
channel = self.make_request(
|
|
|
|
|
"GET",
|
|
|
|
|
"preview_url?url=" + good_url,
|
|
|
|
|
shorthand=False,
|
|
|
|
|
await_result=False,
|
|
|
|
|
)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
client = self.reactor.tcpClients[0][2].buildProtocol(None)
|
|
|
|
|
server = AccumulatingProtocol()
|
|
|
|
|
server.makeConnection(FakeTransport(client, self.reactor))
|
|
|
|
|
client.makeConnection(FakeTransport(server, self.reactor))
|
|
|
|
|
client.dataReceived(
|
|
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\nContent-Type: text/html\r\n\r\n"
|
|
|
|
|
% (len(self.end_content),)
|
|
|
|
|
+ self.end_content
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
