2018-11-07 15:37:43 +01:00
|
|
|
# -*- coding: utf-8 -*-
|
|
|
|
|
# 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 os
|
|
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
import attr
|
2018-11-07 15:37:43 +01:00
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
from twisted.internet._resolver import HostResolution
|
|
|
|
|
from twisted.internet.address import IPv4Address, IPv6Address
|
|
|
|
|
from twisted.internet.error import DNSLookupError
|
|
|
|
|
from twisted.python.failure import Failure
|
|
|
|
|
from twisted.test.proto_helpers import AccumulatingProtocol
|
|
|
|
|
from twisted.web._newclient import ResponseDone
|
2018-11-07 15:37:43 +01:00
|
|
|
|
|
|
|
|
from tests import unittest
|
2018-12-21 15:56:13 +01:00
|
|
|
from tests.server import FakeTransport
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@attr.s
|
|
|
|
|
class FakeResponse(object):
|
|
|
|
|
version = attr.ib()
|
|
|
|
|
code = attr.ib()
|
|
|
|
|
phrase = attr.ib()
|
|
|
|
|
headers = attr.ib()
|
|
|
|
|
body = attr.ib()
|
|
|
|
|
absoluteURI = attr.ib()
|
|
|
|
|
|
|
|
|
|
@property
|
|
|
|
|
def request(self):
|
|
|
|
|
@attr.s
|
|
|
|
|
class FakeTransport(object):
|
|
|
|
|
absoluteURI = self.absoluteURI
|
|
|
|
|
|
|
|
|
|
return FakeTransport()
|
|
|
|
|
|
|
|
|
|
def deliverBody(self, protocol):
|
|
|
|
|
protocol.dataReceived(self.body)
|
|
|
|
|
protocol.connectionLost(Failure(ResponseDone()))
|
2018-11-07 15:37:43 +01:00
|
|
|
|
|
|
|
|
|
|
|
|
|
class URLPreviewTests(unittest.HomeserverTestCase):
|
|
|
|
|
|
|
|
|
|
hijack_auth = True
|
|
|
|
|
user_id = "@test:user"
|
2018-12-21 15:56:13 +01:00
|
|
|
end_content = (
|
2019-06-20 11:32:02 +02:00
|
|
|
b"<html><head>"
|
2018-12-21 15:56:13 +01:00
|
|
|
b'<meta property="og:title" content="~matrix~" />'
|
|
|
|
|
b'<meta property="og:description" content="hi" />'
|
2019-06-20 11:32:02 +02:00
|
|
|
b"</head></html>"
|
2018-12-21 15:56:13 +01:00
|
|
|
)
|
2018-11-07 15:37:43 +01:00
|
|
|
|
|
|
|
|
def make_homeserver(self, reactor, clock):
|
|
|
|
|
|
|
|
|
|
config = self.default_config()
|
2019-05-13 22:01:14 +02:00
|
|
|
config["url_preview_enabled"] = True
|
|
|
|
|
config["max_spider_size"] = 9999999
|
|
|
|
|
config["url_preview_ip_range_blacklist"] = (
|
|
|
|
|
"192.168.1.1",
|
|
|
|
|
"1.0.0.0/8",
|
|
|
|
|
"3fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff",
|
|
|
|
|
"2001:800::/21",
|
2018-12-21 15:56:13 +01:00
|
|
|
)
|
2019-05-13 22:01:14 +02:00
|
|
|
config["url_preview_ip_range_whitelist"] = ("1.1.1.1",)
|
|
|
|
|
config["url_preview_url_blacklist"] = []
|
|
|
|
|
|
|
|
|
|
self.storage_path = self.mktemp()
|
|
|
|
|
self.media_store_path = self.mktemp()
|
|
|
|
|
os.mkdir(self.storage_path)
|
|
|
|
|
os.mkdir(self.media_store_path)
|
|
|
|
|
config["media_store_path"] = self.media_store_path
|
2018-11-07 15:37:43 +01:00
|
|
|
|
|
|
|
|
provider_config = {
|
|
|
|
|
"module": "synapse.rest.media.v1.storage_provider.FileStorageProviderBackend",
|
|
|
|
|
"store_local": True,
|
|
|
|
|
"store_synchronous": False,
|
|
|
|
|
"store_remote": True,
|
|
|
|
|
"config": {"directory": self.storage_path},
|
|
|
|
|
}
|
|
|
|
|
|
2019-05-13 22:01:14 +02:00
|
|
|
config["media_storage_providers"] = [provider_config]
|
2018-11-07 15:37:43 +01:00
|
|
|
|
|
|
|
|
hs = self.setup_test_homeserver(config=config)
|
|
|
|
|
|
|
|
|
|
return hs
|
|
|
|
|
|
|
|
|
|
def prepare(self, reactor, clock, hs):
|
|
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
self.media_repo = hs.get_media_repository_resource()
|
2019-06-20 11:32:02 +02:00
|
|
|
self.preview_url = self.media_repo.children[b"preview_url"]
|
2018-11-07 15:37:43 +01:00
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
self.lookups = {}
|
2018-11-07 15:37:43 +01:00
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
class Resolver(object):
|
|
|
|
|
def resolveHostName(
|
|
|
|
|
_self,
|
|
|
|
|
resolutionReceiver,
|
|
|
|
|
hostName,
|
|
|
|
|
portNumber=0,
|
|
|
|
|
addressTypes=None,
|
2019-06-20 11:32:02 +02:00
|
|
|
transportSemantics="TCP",
|
2018-12-21 15:56:13 +01:00
|
|
|
):
|
2018-11-07 15:37:43 +01:00
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
resolution = HostResolution(hostName)
|
|
|
|
|
resolutionReceiver.resolutionBegan(resolution)
|
|
|
|
|
if hostName not in self.lookups:
|
|
|
|
|
raise DNSLookupError("OH NO")
|
2018-11-07 15:37:43 +01:00
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
for i in self.lookups[hostName]:
|
2019-06-20 11:32:02 +02:00
|
|
|
resolutionReceiver.addressResolved(i[0]("TCP", i[1], portNumber))
|
2018-12-21 15:56:13 +01:00
|
|
|
resolutionReceiver.resolutionComplete()
|
|
|
|
|
return resolutionReceiver
|
2018-11-07 15:37:43 +01:00
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
self.reactor.nameResolver = Resolver()
|
2018-11-07 15:37:43 +01:00
|
|
|
|
|
|
|
|
def test_cache_returns_correct_type(self):
|
2018-12-21 15:56:13 +01:00
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "8.8.8.8")]
|
2018-11-07 15:37:43 +01:00
|
|
|
|
|
|
|
|
request, channel = self.make_request(
|
2018-12-21 15:56:13 +01:00
|
|
|
"GET", "url_preview?url=http://matrix.org", shorthand=False
|
2018-11-07 15:37:43 +01:00
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
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
|
2018-11-07 15:37:43 +01:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# Check the cache returns the correct response
|
|
|
|
|
request, channel = self.make_request(
|
2018-12-21 15:56:13 +01:00
|
|
|
"GET", "url_preview?url=http://matrix.org", shorthand=False
|
2018-11-07 15:37:43 +01:00
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
# Check the cache response has the same content
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# Clear the in-memory cache
|
2018-12-21 15:56:13 +01:00
|
|
|
self.assertIn("http://matrix.org", self.preview_url._cache)
|
|
|
|
|
self.preview_url._cache.pop("http://matrix.org")
|
|
|
|
|
self.assertNotIn("http://matrix.org", self.preview_url._cache)
|
2018-11-07 15:37:43 +01:00
|
|
|
|
|
|
|
|
# Check the database cache returns the correct response
|
|
|
|
|
request, channel = self.make_request(
|
2018-12-21 15:56:13 +01:00
|
|
|
"GET", "url_preview?url=http://matrix.org", shorthand=False
|
2018-11-07 15:37:43 +01:00
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
# Check the cache response has the same content
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
|
|
|
|
|
)
|
2018-11-15 18:05:08 +01:00
|
|
|
|
|
|
|
|
def test_non_ascii_preview_httpequiv(self):
|
2018-12-21 15:56:13 +01:00
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "8.8.8.8")]
|
|
|
|
|
|
|
|
|
|
end_content = (
|
2019-06-20 11:32:02 +02:00
|
|
|
b"<html><head>"
|
2018-12-21 15:56:13 +01:00
|
|
|
b'<meta http-equiv="Content-Type" content="text/html; charset=windows-1251"/>'
|
|
|
|
|
b'<meta property="og:title" content="\xe4\xea\xe0" />'
|
|
|
|
|
b'<meta property="og:description" content="hi" />'
|
2019-06-20 11:32:02 +02:00
|
|
|
b"</head></html>"
|
2018-12-21 15:56:13 +01:00
|
|
|
)
|
2018-11-15 18:05:08 +01:00
|
|
|
|
|
|
|
|
request, channel = self.make_request(
|
2018-12-21 15:56:13 +01:00
|
|
|
"GET", "url_preview?url=http://matrix.org", shorthand=False
|
2018-11-15 18:05:08 +01:00
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
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"
|
2019-06-20 11:32:02 +02:00
|
|
|
b'Content-Type: text/html; charset="utf8"\r\n\r\n'
|
2018-12-21 15:56:13 +01:00
|
|
|
)
|
|
|
|
|
% (len(end_content),)
|
|
|
|
|
+ end_content
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
2019-06-20 11:32:02 +02:00
|
|
|
self.assertEqual(channel.json_body["og:title"], "\u0434\u043a\u0430")
|
2018-12-21 15:56:13 +01:00
|
|
|
|
|
|
|
|
def test_non_ascii_preview_content_type(self):
|
|
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "8.8.8.8")]
|
2018-11-15 18:05:08 +01:00
|
|
|
|
|
|
|
|
end_content = (
|
2019-06-20 11:32:02 +02:00
|
|
|
b"<html><head>"
|
2018-11-15 18:05:08 +01:00
|
|
|
b'<meta property="og:title" content="\xe4\xea\xe0" />'
|
|
|
|
|
b'<meta property="og:description" content="hi" />'
|
2019-06-20 11:32:02 +02:00
|
|
|
b"</head></html>"
|
2018-11-15 18:05:08 +01:00
|
|
|
)
|
|
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"GET", "url_preview?url=http://matrix.org", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
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 18:05:08 +01:00
|
|
|
(
|
2018-12-21 15:56:13 +01:00
|
|
|
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
|
2019-06-20 11:32:02 +02:00
|
|
|
b'Content-Type: text/html; charset="windows-1251"\r\n\r\n'
|
2018-11-15 18:05:08 +01:00
|
|
|
)
|
2018-12-21 15:56:13 +01:00
|
|
|
% (len(end_content),)
|
|
|
|
|
+ end_content
|
2018-11-15 18:05:08 +01:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
2019-06-20 11:32:02 +02:00
|
|
|
self.assertEqual(channel.json_body["og:title"], "\u0434\u043a\u0430")
|
2018-11-15 18:05:08 +01:00
|
|
|
|
2019-11-05 16:45:17 +01:00
|
|
|
def test_overlong_title(self):
|
|
|
|
|
self.lookups["matrix.org"] = [(IPv4Address, "8.8.8.8")]
|
|
|
|
|
|
|
|
|
|
end_content = (
|
|
|
|
|
b"<html><head>"
|
|
|
|
|
b"<title>" + b"x" * 2000 + b"</title>"
|
|
|
|
|
b'<meta property="og:description" content="hi" />'
|
|
|
|
|
b"</head></html>"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"GET", "url_preview?url=http://matrix.org", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
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 17:46:39 +01:00
|
|
|
# We should only see the `og:description` field, as `title` is too long and should be stripped out
|
2019-11-05 16:45:17 +01:00
|
|
|
self.assertCountEqual(["og:description"], res.keys())
|
|
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
def test_ipaddr(self):
|
|
|
|
|
"""
|
|
|
|
|
IP addresses can be previewed directly.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [(IPv4Address, "8.8.8.8")]
|
2018-11-15 18:05:08 +01:00
|
|
|
|
|
|
|
|
request, channel = self.make_request(
|
2018-12-21 15:56:13 +01:00
|
|
|
"GET", "url_preview?url=http://example.com", shorthand=False
|
2018-11-15 18:05:08 +01:00
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
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 18:05:08 +01:00
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
|
2018-11-15 18:05:08 +01:00
|
|
|
)
|
|
|
|
|
|
2018-12-21 15:56:13 +01:00
|
|
|
def test_blacklisted_ip_specific(self):
|
|
|
|
|
"""
|
|
|
|
|
Blacklisted IP addresses, found via DNS, are not spidered.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [(IPv4Address, "192.168.1.1")]
|
|
|
|
|
|
|
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"GET", "url_preview?url=http://example.com", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
# No requests made.
|
|
|
|
|
self.assertEqual(len(self.reactor.tcpClients), 0)
|
2019-05-10 19:32:44 +02:00
|
|
|
self.assertEqual(channel.code, 502)
|
2018-12-21 15:56:13 +01:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
2019-06-20 11:32:02 +02:00
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "DNS resolution failure during URL preview generation",
|
2018-12-21 15:56:13 +01:00
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
def test_blacklisted_ip_range(self):
|
|
|
|
|
"""
|
|
|
|
|
Blacklisted IP ranges, IPs found over DNS, are not spidered.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [(IPv4Address, "1.1.1.2")]
|
|
|
|
|
|
|
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"GET", "url_preview?url=http://example.com", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
2019-05-10 19:32:44 +02:00
|
|
|
self.assertEqual(channel.code, 502)
|
2018-12-21 15:56:13 +01:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
2019-06-20 11:32:02 +02:00
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "DNS resolution failure during URL preview generation",
|
2018-12-21 15:56:13 +01:00
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
def test_blacklisted_ip_specific_direct(self):
|
|
|
|
|
"""
|
|
|
|
|
Blacklisted IP addresses, accessed directly, are not spidered.
|
|
|
|
|
"""
|
|
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"GET", "url_preview?url=http://192.168.1.1", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
# No requests made.
|
|
|
|
|
self.assertEqual(len(self.reactor.tcpClients), 0)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
2019-06-20 11:32:02 +02:00
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "IP address blocked by IP blacklist entry",
|
2018-12-21 15:56:13 +01:00
|
|
|
},
|
|
|
|
|
)
|
2019-05-10 19:32:44 +02:00
|
|
|
self.assertEqual(channel.code, 403)
|
2018-12-21 15:56:13 +01:00
|
|
|
|
|
|
|
|
def test_blacklisted_ip_range_direct(self):
|
|
|
|
|
"""
|
|
|
|
|
Blacklisted IP ranges, accessed directly, are not spidered.
|
|
|
|
|
"""
|
|
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"GET", "url_preview?url=http://1.1.1.2", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
self.assertEqual(channel.code, 403)
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
2019-06-20 11:32:02 +02:00
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "IP address blocked by IP blacklist entry",
|
2018-12-21 15:56:13 +01:00
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
def test_blacklisted_ip_range_whitelisted_ip(self):
|
|
|
|
|
"""
|
|
|
|
|
Blacklisted but then subsequently whitelisted IP addresses can be
|
|
|
|
|
spidered.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [(IPv4Address, "1.1.1.1")]
|
|
|
|
|
|
|
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"GET", "url_preview?url=http://example.com", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
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 18:05:08 +01:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
2018-12-21 15:56:13 +01:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
def test_blacklisted_ip_with_external_ip(self):
|
|
|
|
|
"""
|
|
|
|
|
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.
|
2019-06-20 11:32:02 +02:00
|
|
|
self.lookups["example.com"] = [
|
2018-12-21 15:56:13 +01:00
|
|
|
(IPv4Address, "1.1.1.2"),
|
|
|
|
|
(IPv4Address, "8.8.8.8"),
|
|
|
|
|
]
|
|
|
|
|
|
|
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"GET", "url_preview?url=http://example.com", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
2019-05-10 19:32:44 +02:00
|
|
|
self.assertEqual(channel.code, 502)
|
2018-12-21 15:56:13 +01:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
2019-06-20 11:32:02 +02:00
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "DNS resolution failure during URL preview generation",
|
2018-12-21 15:56:13 +01:00
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
def test_blacklisted_ipv6_specific(self):
|
|
|
|
|
"""
|
|
|
|
|
Blacklisted IP addresses, found via DNS, are not spidered.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [
|
|
|
|
|
(IPv6Address, "3fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
|
|
|
|
|
]
|
|
|
|
|
|
|
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"GET", "url_preview?url=http://example.com", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
|
|
|
|
# No requests made.
|
|
|
|
|
self.assertEqual(len(self.reactor.tcpClients), 0)
|
2019-05-10 19:32:44 +02:00
|
|
|
self.assertEqual(channel.code, 502)
|
2018-12-21 15:56:13 +01:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
2019-06-20 11:32:02 +02:00
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "DNS resolution failure during URL preview generation",
|
2018-12-21 15:56:13 +01:00
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
def test_blacklisted_ipv6_range(self):
|
|
|
|
|
"""
|
|
|
|
|
Blacklisted IP ranges, IPs found over DNS, are not spidered.
|
|
|
|
|
"""
|
|
|
|
|
self.lookups["example.com"] = [(IPv6Address, "2001:800::1")]
|
|
|
|
|
|
|
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"GET", "url_preview?url=http://example.com", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
|
2019-05-10 19:32:44 +02:00
|
|
|
self.assertEqual(channel.code, 502)
|
2018-12-21 15:56:13 +01:00
|
|
|
self.assertEqual(
|
|
|
|
|
channel.json_body,
|
|
|
|
|
{
|
2019-06-20 11:32:02 +02:00
|
|
|
"errcode": "M_UNKNOWN",
|
|
|
|
|
"error": "DNS resolution failure during URL preview generation",
|
2018-12-21 15:56:13 +01:00
|
|
|
},
|
|
|
|
|
)
|
2019-07-02 20:01:28 +02:00
|
|
|
|
|
|
|
|
def test_OPTIONS(self):
|
|
|
|
|
"""
|
|
|
|
|
OPTIONS returns the OPTIONS.
|
|
|
|
|
"""
|
|
|
|
|
request, channel = self.make_request(
|
|
|
|
|
"OPTIONS", "url_preview?url=http://example.com", shorthand=False
|
|
|
|
|
)
|
|
|
|
|
request.render(self.preview_url)
|
|
|
|
|
self.pump()
|
|
|
|
|
self.assertEqual(channel.code, 200)
|
|
|
|
|
self.assertEqual(channel.json_body, {})
|
