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youtube-dl/test/test_http.py
dirkf abef53466d [utils] Rework URL path munging for ., .. components
* move processing to YoutubeDLHandler
* also process `Location` header for redirect
* use tests from https://github.com/yt-dlp/yt-dlp/pull/7662
2023-07-29 14:27:26 +01:00

604 lines
23 KiB
Python

#!/usr/bin/env python
# coding: utf-8
from __future__ import unicode_literals
# Allow direct execution
import os
import sys
import unittest
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
import contextlib
import gzip
import io
import ssl
import tempfile
import threading
import zlib
# avoid deprecated alias assertRaisesRegexp
if hasattr(unittest.TestCase, 'assertRaisesRegex'):
unittest.TestCase.assertRaisesRegexp = unittest.TestCase.assertRaisesRegex
try:
import brotli
except ImportError:
brotli = None
try:
from urllib.request import pathname2url
except ImportError:
from urllib import pathname2url
from youtube_dl.compat import (
compat_http_cookiejar_Cookie,
compat_http_server,
compat_str as str,
compat_urllib_error,
compat_urllib_HTTPError,
compat_urllib_parse,
compat_urllib_request,
)
from youtube_dl.utils import (
sanitized_Request,
update_Request,
urlencode_postdata,
)
from test.helper import (
expectedFailureIf,
FakeYDL,
FakeLogger,
http_server_port,
)
from youtube_dl import YoutubeDL
TEST_DIR = os.path.dirname(os.path.abspath(__file__))
class HTTPTestRequestHandler(compat_http_server.BaseHTTPRequestHandler):
protocol_version = 'HTTP/1.1'
# work-around old/new -style class inheritance
def super(self, meth_name, *args, **kwargs):
from types import MethodType
try:
super()
fn = lambda s, m, *a, **k: getattr(super(), m)(*a, **k)
except TypeError:
fn = lambda s, m, *a, **k: getattr(compat_http_server.BaseHTTPRequestHandler, m)(s, *a, **k)
self.super = MethodType(fn, self)
return self.super(meth_name, *args, **kwargs)
def log_message(self, format, *args):
pass
def _headers(self):
payload = str(self.headers).encode('utf-8')
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
def _redirect(self):
self.send_response(int(self.path[len('/redirect_'):]))
self.send_header('Location', '/method')
self.send_header('Content-Length', '0')
self.end_headers()
def _method(self, method, payload=None):
self.send_response(200)
self.send_header('Content-Length', str(len(payload or '')))
self.send_header('Method', method)
self.end_headers()
if payload:
self.wfile.write(payload)
def _status(self, status):
payload = '<html>{0} NOT FOUND</html>'.format(status).encode('utf-8')
self.send_response(int(status))
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
def _read_data(self):
if 'Content-Length' in self.headers:
return self.rfile.read(int(self.headers['Content-Length']))
def _test_url(self, path, host='127.0.0.1', scheme='http', port=None):
return '{0}://{1}:{2}/{3}'.format(
scheme, host,
port if port is not None
else http_server_port(self.server), path)
def do_POST(self):
data = self._read_data()
if self.path.startswith('/redirect_'):
self._redirect()
elif self.path.startswith('/method'):
self._method('POST', data)
elif self.path.startswith('/headers'):
self._headers()
else:
self._status(404)
def do_HEAD(self):
if self.path.startswith('/redirect_'):
self._redirect()
elif self.path.startswith('/method'):
self._method('HEAD')
else:
self._status(404)
def do_PUT(self):
data = self._read_data()
if self.path.startswith('/redirect_'):
self._redirect()
elif self.path.startswith('/method'):
self._method('PUT', data)
else:
self._status(404)
def do_GET(self):
def respond(payload=b'<html><video src="/vid.mp4" /></html>',
payload_type='text/html; charset=utf-8',
payload_encoding=None,
resp_code=200):
self.send_response(resp_code)
self.send_header('Content-Type', payload_type)
if payload_encoding:
self.send_header('Content-Encoding', payload_encoding)
self.send_header('Content-Length', str(len(payload))) # required for persistent connections
self.end_headers()
self.wfile.write(payload)
def gzip_compress(p):
buf = io.BytesIO()
with contextlib.closing(gzip.GzipFile(fileobj=buf, mode='wb')) as f:
f.write(p)
return buf.getvalue()
if self.path == '/video.html':
respond()
elif self.path == '/vid.mp4':
respond(b'\x00\x00\x00\x00\x20\x66\x74[video]', 'video/mp4')
elif self.path == '/302':
if sys.version_info[0] == 3:
# XXX: Python 3 http server does not allow non-ASCII header values
self.send_response(404)
self.end_headers()
return
new_url = self._test_url('中文.html')
self.send_response(302)
self.send_header(b'Location', new_url.encode('utf-8'))
self.end_headers()
elif self.path == '/%E4%B8%AD%E6%96%87.html':
respond()
elif self.path == '/%c7%9f':
respond()
elif self.path == '/redirect_dotsegments':
self.send_response(301)
# redirect to /headers but with dot segments before
self.send_header('Location', '/a/b/./../../headers')
self.send_header('Content-Length', '0')
self.end_headers()
elif self.path.startswith('/redirect_'):
self._redirect()
elif self.path.startswith('/method'):
self._method('GET')
elif self.path.startswith('/headers'):
self._headers()
elif self.path.startswith('/308-to-headers'):
self.send_response(308)
self.send_header('Location', '/headers')
self.send_header('Content-Length', '0')
self.end_headers()
elif self.path == '/trailing_garbage':
payload = b'<html><video src="/vid.mp4" /></html>'
compressed = gzip_compress(payload) + b'trailing garbage'
respond(compressed, payload_encoding='gzip')
elif self.path == '/302-non-ascii-redirect':
new_url = self._test_url('中文.html')
# actually respond with permanent redirect
self.send_response(301)
self.send_header('Location', new_url)
self.send_header('Content-Length', '0')
self.end_headers()
elif self.path == '/content-encoding':
encodings = self.headers.get('ytdl-encoding', '')
payload = b'<html><video src="/vid.mp4" /></html>'
for encoding in filter(None, (e.strip() for e in encodings.split(','))):
if encoding == 'br' and brotli:
payload = brotli.compress(payload)
elif encoding == 'gzip':
payload = gzip_compress(payload)
elif encoding == 'deflate':
payload = zlib.compress(payload)
elif encoding == 'unsupported':
payload = b'raw'
break
else:
self._status(415)
return
respond(payload, payload_encoding=encodings)
else:
self._status(404)
def send_header(self, keyword, value):
"""
Forcibly allow HTTP server to send non percent-encoded non-ASCII characters in headers.
This is against what is defined in RFC 3986: but we need to test that we support this
since some sites incorrectly do this.
"""
if keyword.lower() == 'connection':
return self.super('send_header', keyword, value)
if not hasattr(self, '_headers_buffer'):
self._headers_buffer = []
self._headers_buffer.append('{0}: {1}\r\n'.format(keyword, value).encode('utf-8'))
def end_headers(self):
if hasattr(self, '_headers_buffer'):
self.wfile.write(b''.join(self._headers_buffer))
self._headers_buffer = []
self.super('end_headers')
class TestHTTP(unittest.TestCase):
# when does it make sense to check the SSL certificate?
_check_cert = (
sys.version_info >= (3, 2)
or (sys.version_info[0] == 2 and sys.version_info[1:] >= (7, 19)))
def setUp(self):
# HTTP server
self.http_httpd = compat_http_server.HTTPServer(
('127.0.0.1', 0), HTTPTestRequestHandler)
self.http_port = http_server_port(self.http_httpd)
self.http_server_thread = threading.Thread(target=self.http_httpd.serve_forever)
self.http_server_thread.daemon = True
self.http_server_thread.start()
try:
from http.server import ThreadingHTTPServer
except ImportError:
try:
from socketserver import ThreadingMixIn
except ImportError:
from SocketServer import ThreadingMixIn
class ThreadingHTTPServer(ThreadingMixIn, compat_http_server.HTTPServer):
pass
# HTTPS server
certfn = os.path.join(TEST_DIR, 'testcert.pem')
self.https_httpd = ThreadingHTTPServer(
('127.0.0.1', 0), HTTPTestRequestHandler)
try:
sslctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
sslctx.verify_mode = ssl.CERT_NONE
sslctx.check_hostname = False
sslctx.load_cert_chain(certfn, None)
self.https_httpd.socket = sslctx.wrap_socket(
self.https_httpd.socket, server_side=True)
except AttributeError:
self.https_httpd.socket = ssl.wrap_socket(
self.https_httpd.socket, certfile=certfn, server_side=True)
self.https_port = http_server_port(self.https_httpd)
self.https_server_thread = threading.Thread(target=self.https_httpd.serve_forever)
self.https_server_thread.daemon = True
self.https_server_thread.start()
def tearDown(self):
def closer(svr):
def _closer():
svr.shutdown()
svr.server_close()
return _closer
shutdown_thread = threading.Thread(target=closer(self.http_httpd))
shutdown_thread.start()
self.http_server_thread.join(2.0)
shutdown_thread = threading.Thread(target=closer(self.https_httpd))
shutdown_thread.start()
self.https_server_thread.join(2.0)
def _test_url(self, path, host='127.0.0.1', scheme='http', port=None):
return '{0}://{1}:{2}/{3}'.format(
scheme, host,
port if port is not None
else self.https_port if scheme == 'https'
else self.http_port, path)
@unittest.skipUnless(_check_cert, 'No support for certificate check in SSL')
def test_nocheckcertificate(self):
with FakeYDL({'logger': FakeLogger()}) as ydl:
with self.assertRaises(compat_urllib_error.URLError):
ydl.urlopen(sanitized_Request(self._test_url('headers', scheme='https')))
with FakeYDL({'logger': FakeLogger(), 'nocheckcertificate': True}) as ydl:
r = ydl.urlopen(sanitized_Request(self._test_url('headers', scheme='https')))
self.assertEqual(r.getcode(), 200)
r.close()
def test_percent_encode(self):
with FakeYDL() as ydl:
# Unicode characters should be encoded with uppercase percent-encoding
res = ydl.urlopen(sanitized_Request(self._test_url('中文.html')))
self.assertEqual(res.getcode(), 200)
res.close()
# don't normalize existing percent encodings
res = ydl.urlopen(sanitized_Request(self._test_url('%c7%9f')))
self.assertEqual(res.getcode(), 200)
res.close()
def test_unicode_path_redirection(self):
with FakeYDL() as ydl:
r = ydl.urlopen(sanitized_Request(self._test_url('302-non-ascii-redirect')))
self.assertEqual(r.url, self._test_url('%E4%B8%AD%E6%96%87.html'))
r.close()
def test_redirect(self):
with FakeYDL() as ydl:
def do_req(redirect_status, method, check_no_content=False):
data = b'testdata' if method in ('POST', 'PUT') else None
res = ydl.urlopen(sanitized_Request(
self._test_url('redirect_{0}'.format(redirect_status)),
method=method, data=data))
if check_no_content:
self.assertNotIn('Content-Type', res.headers)
return res.read().decode('utf-8'), res.headers.get('method', '')
# A 303 must either use GET or HEAD for subsequent request
self.assertEqual(do_req(303, 'POST'), ('', 'GET'))
self.assertEqual(do_req(303, 'HEAD'), ('', 'HEAD'))
self.assertEqual(do_req(303, 'PUT'), ('', 'GET'))
# 301 and 302 turn POST only into a GET, with no Content-Type
self.assertEqual(do_req(301, 'POST', True), ('', 'GET'))
self.assertEqual(do_req(301, 'HEAD'), ('', 'HEAD'))
self.assertEqual(do_req(302, 'POST', True), ('', 'GET'))
self.assertEqual(do_req(302, 'HEAD'), ('', 'HEAD'))
self.assertEqual(do_req(301, 'PUT'), ('testdata', 'PUT'))
self.assertEqual(do_req(302, 'PUT'), ('testdata', 'PUT'))
# 307 and 308 should not change method
for m in ('POST', 'PUT'):
self.assertEqual(do_req(307, m), ('testdata', m))
self.assertEqual(do_req(308, m), ('testdata', m))
self.assertEqual(do_req(307, 'HEAD'), ('', 'HEAD'))
self.assertEqual(do_req(308, 'HEAD'), ('', 'HEAD'))
# These should not redirect and instead raise an HTTPError
for code in (300, 304, 305, 306):
with self.assertRaises(compat_urllib_HTTPError):
do_req(code, 'GET')
# Jython 2.7.1 times out for some reason
@expectedFailureIf(sys.platform.startswith('java') and sys.version_info < (2, 7, 2))
def test_content_type(self):
# https://github.com/yt-dlp/yt-dlp/commit/379a4f161d4ad3e40932dcf5aca6e6fb9715ab28
with FakeYDL({'nocheckcertificate': True}) as ydl:
# method should be auto-detected as POST
r = sanitized_Request(self._test_url('headers', scheme='https'), data=urlencode_postdata({'test': 'test'}))
headers = ydl.urlopen(r).read().decode('utf-8')
self.assertIn('Content-Type: application/x-www-form-urlencoded', headers)
# test http
r = sanitized_Request(self._test_url('headers'), data=urlencode_postdata({'test': 'test'}))
headers = ydl.urlopen(r).read().decode('utf-8')
self.assertIn('Content-Type: application/x-www-form-urlencoded', headers)
def test_update_req(self):
req = sanitized_Request('http://example.com')
assert req.data is None
assert req.get_method() == 'GET'
assert not req.has_header('Content-Type')
# Test that zero-byte payloads will be sent
req = update_Request(req, data=b'')
assert req.data == b''
assert req.get_method() == 'POST'
# yt-dl expects data to be encoded and Content-Type to be added by sender
# assert req.get_header('Content-Type') == 'application/x-www-form-urlencoded'
def test_cookiejar(self):
with FakeYDL() as ydl:
ydl.cookiejar.set_cookie(compat_http_cookiejar_Cookie(
0, 'test', 'ytdl', None, False, '127.0.0.1', True,
False, '/headers', True, False, None, False, None, None, {}))
data = ydl.urlopen(sanitized_Request(
self._test_url('headers'))).read().decode('utf-8')
self.assertIn('Cookie: test=ytdl', data)
def test_passed_cookie_header(self):
# We should accept a Cookie header being passed as in normal headers and handle it appropriately.
with FakeYDL() as ydl:
# Specified Cookie header should be used
res = ydl.urlopen(sanitized_Request(
self._test_url('headers'), headers={'Cookie': 'test=test'})).read().decode('utf-8')
self.assertIn('Cookie: test=test', res)
# Specified Cookie header should be removed on any redirect
res = ydl.urlopen(sanitized_Request(
self._test_url('308-to-headers'), headers={'Cookie': 'test=test'})).read().decode('utf-8')
self.assertNotIn('Cookie: test=test', res)
# Specified Cookie header should override global cookiejar for that request
ydl.cookiejar.set_cookie(compat_http_cookiejar_Cookie(
0, 'test', 'ytdlp', None, False, '127.0.0.1', True,
False, '/headers', True, False, None, False, None, None, {}))
data = ydl.urlopen(sanitized_Request(
self._test_url('headers'), headers={'Cookie': 'test=test'})).read().decode('utf-8')
self.assertNotIn('Cookie: test=ytdlp', data)
self.assertIn('Cookie: test=test', data)
def test_no_compression_compat_header(self):
with FakeYDL() as ydl:
data = ydl.urlopen(
sanitized_Request(
self._test_url('headers'),
headers={'Youtubedl-no-compression': True})).read()
self.assertIn(b'Accept-Encoding: identity', data)
self.assertNotIn(b'youtubedl-no-compression', data.lower())
def test_gzip_trailing_garbage(self):
# https://github.com/ytdl-org/youtube-dl/commit/aa3e950764337ef9800c936f4de89b31c00dfcf5
# https://github.com/ytdl-org/youtube-dl/commit/6f2ec15cee79d35dba065677cad9da7491ec6e6f
with FakeYDL() as ydl:
data = ydl.urlopen(sanitized_Request(self._test_url('trailing_garbage'))).read().decode('utf-8')
self.assertEqual(data, '<html><video src="/vid.mp4" /></html>')
def __test_compression(self, encoding):
with FakeYDL() as ydl:
res = ydl.urlopen(
sanitized_Request(
self._test_url('content-encoding'),
headers={'ytdl-encoding': encoding}))
# decoded encodings are removed: only check for valid decompressed data
self.assertEqual(res.read(), b'<html><video src="/vid.mp4" /></html>')
@unittest.skipUnless(brotli, 'brotli support is not installed')
def test_brotli(self):
self.__test_compression('br')
def test_deflate(self):
self.__test_compression('deflate')
def test_gzip(self):
self.__test_compression('gzip')
def test_multiple_encodings(self):
# https://www.rfc-editor.org/rfc/rfc9110.html#section-8.4
for pair in ('gzip,deflate', 'deflate, gzip', 'gzip, gzip', 'deflate, deflate'):
self.__test_compression(pair)
def test_unsupported_encoding(self):
# it should return the raw content
with FakeYDL() as ydl:
res = ydl.urlopen(
sanitized_Request(
self._test_url('content-encoding'),
headers={'ytdl-encoding': 'unsupported'}))
self.assertEqual(res.headers.get('Content-Encoding'), 'unsupported')
self.assertEqual(res.read(), b'raw')
def test_remove_dot_segments(self):
with FakeYDL() as ydl:
res = ydl.urlopen(sanitized_Request(self._test_url('a/b/./../../headers')))
self.assertEqual(compat_urllib_parse.urlparse(res.geturl()).path, '/headers')
res = ydl.urlopen(sanitized_Request(self._test_url('redirect_dotsegments')))
self.assertEqual(compat_urllib_parse.urlparse(res.geturl()).path, '/headers')
def _build_proxy_handler(name):
class HTTPTestRequestHandler(compat_http_server.BaseHTTPRequestHandler):
proxy_name = name
def log_message(self, format, *args):
pass
def do_GET(self):
self.send_response(200)
self.send_header('Content-Type', 'text/plain; charset=utf-8')
self.end_headers()
self.wfile.write('{0}: {1}'.format(self.proxy_name, self.path).encode('utf-8'))
return HTTPTestRequestHandler
class TestProxy(unittest.TestCase):
def setUp(self):
self.proxy = compat_http_server.HTTPServer(
('127.0.0.1', 0), _build_proxy_handler('normal'))
self.port = http_server_port(self.proxy)
self.proxy_thread = threading.Thread(target=self.proxy.serve_forever)
self.proxy_thread.daemon = True
self.proxy_thread.start()
self.geo_proxy = compat_http_server.HTTPServer(
('127.0.0.1', 0), _build_proxy_handler('geo'))
self.geo_port = http_server_port(self.geo_proxy)
self.geo_proxy_thread = threading.Thread(target=self.geo_proxy.serve_forever)
self.geo_proxy_thread.daemon = True
self.geo_proxy_thread.start()
def tearDown(self):
def closer(svr):
def _closer():
svr.shutdown()
svr.server_close()
return _closer
shutdown_thread = threading.Thread(target=closer(self.proxy))
shutdown_thread.start()
self.proxy_thread.join(2.0)
shutdown_thread = threading.Thread(target=closer(self.geo_proxy))
shutdown_thread.start()
self.geo_proxy_thread.join(2.0)
def _test_proxy(self, host='127.0.0.1', port=None):
return '{0}:{1}'.format(
host, port if port is not None else self.port)
def test_proxy(self):
geo_proxy = self._test_proxy(port=self.geo_port)
ydl = YoutubeDL({
'proxy': self._test_proxy(),
'geo_verification_proxy': geo_proxy,
})
url = 'http://foo.com/bar'
response = ydl.urlopen(url).read().decode('utf-8')
self.assertEqual(response, 'normal: {0}'.format(url))
req = compat_urllib_request.Request(url)
req.add_header('Ytdl-request-proxy', geo_proxy)
response = ydl.urlopen(req).read().decode('utf-8')
self.assertEqual(response, 'geo: {0}'.format(url))
def test_proxy_with_idn(self):
ydl = YoutubeDL({
'proxy': self._test_proxy(),
})
url = 'http://中文.tw/'
response = ydl.urlopen(url).read().decode('utf-8')
# b'xn--fiq228c' is '中文'.encode('idna')
self.assertEqual(response, 'normal: http://xn--fiq228c.tw/')
class TestFileURL(unittest.TestCase):
# See https://github.com/ytdl-org/youtube-dl/issues/8227
def test_file_urls(self):
tf = tempfile.NamedTemporaryFile(delete=False)
tf.write(b'foobar')
tf.close()
url = compat_urllib_parse.urljoin('file://', pathname2url(tf.name))
with FakeYDL() as ydl:
self.assertRaisesRegexp(
compat_urllib_error.URLError, 'file:// scheme is explicitly disabled in youtube-dl for security reasons', ydl.urlopen, url)
# not yet implemented
"""
with FakeYDL({'enable_file_urls': True}) as ydl:
res = ydl.urlopen(url)
self.assertEqual(res.read(), b'foobar')
res.close()
"""
os.unlink(tf.name)
if __name__ == '__main__':
unittest.main()