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test_networking.py
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#!/usr/bin/env python3
# Allow direct execution
import os
import sys
import pytest
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
import gzip
import http.client
import http.cookiejar
import http.server
import io
import logging
import pathlib
import random
import ssl
import tempfile
import threading
import time
import urllib.error
import urllib.request
import warnings
import zlib
from email.message import Message
from http.cookiejar import CookieJar
from test.conftest import validate_and_send
from test.helper import FakeYDL, http_server_port, verify_address_availability
from yt_dlp.cookies import YoutubeDLCookieJar
from yt_dlp.dependencies import brotli, curl_cffi, requests, urllib3
from yt_dlp.networking import (
HEADRequest,
PUTRequest,
Request,
RequestDirector,
RequestHandler,
Response,
)
from yt_dlp.networking._urllib import UrllibRH
from yt_dlp.networking.exceptions import (
CertificateVerifyError,
HTTPError,
IncompleteRead,
NoSupportingHandlers,
ProxyError,
RequestError,
SSLError,
TransportError,
UnsupportedRequest,
)
from yt_dlp.networking.impersonate import (
ImpersonateRequestHandler,
ImpersonateTarget,
)
from yt_dlp.utils import YoutubeDLError
from yt_dlp.utils._utils import _YDLLogger as FakeLogger
from yt_dlp.utils.networking import HTTPHeaderDict, std_headers
TEST_DIR = os.path.dirname(os.path.abspath(__file__))
def _build_proxy_handler(name):
class HTTPTestRequestHandler(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(f'{self.proxy_name}: {self.path}'.encode())
return HTTPTestRequestHandler
class HTTPTestRequestHandler(http.server.BaseHTTPRequestHandler):
protocol_version = 'HTTP/1.1'
default_request_version = 'HTTP/1.1'
def log_message(self, format, *args):
pass
def _headers(self):
payload = str(self.headers).encode()
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 = f'<html>{status} NOT FOUND</html>'.encode()
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']))
else:
return b''
def do_POST(self):
data = self._read_data() + str(self.headers).encode()
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() + str(self.headers).encode()
if self.path.startswith('/redirect_'):
self._redirect()
elif self.path.startswith('/method'):
self._method('PUT', data)
else:
self._status(404)
def do_GET(self):
if self.path == '/video.html':
payload = b'<html><video src="/vid.mp4" /></html>'
self.send_response(200)
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)
elif self.path == '/vid.mp4':
payload = b'\x00\x00\x00\x00\x20\x66\x74[video]'
self.send_response(200)
self.send_header('Content-Type', 'video/mp4')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
elif self.path == '/%E4%B8%AD%E6%96%87.html':
payload = b'<html><video src="/vid.mp4" /></html>'
self.send_response(200)
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)
elif self.path == '/%c7%9f':
payload = b'<html><video src="/vid.mp4" /></html>'
self.send_response(200)
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)
elif self.path.startswith('/redirect_loop'):
self.send_response(301)
self.send_header('Location', self.path)
self.send_header('Content-Length', '0')
self.end_headers()
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 == '/redirect_dotsegments_absolute':
self.send_response(301)
# redirect to /headers but with dot segments before - absolute url
self.send_header('Location', f'http://127.0.0.1:{http_server_port(self.server)}/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', str(self.headers).encode())
elif self.path.startswith('/headers'):
self._headers()
elif self.path.startswith('/308-to-headers'):
self.send_response(308)
# redirect to "localhost" for testing cookie redirection handling
self.send_header('Location', f'http://localhost:{self.connection.getsockname()[1]}/headers')
self.send_header('Content-Length', '0')
self.end_headers()
elif self.path == '/trailing_garbage':
payload = b'<html><video src="/vid.mp4" /></html>'
self.send_response(200)
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Encoding', 'gzip')
buf = io.BytesIO()
with gzip.GzipFile(fileobj=buf, mode='wb') as f:
f.write(payload)
compressed = buf.getvalue() + b'trailing garbage'
self.send_header('Content-Length', str(len(compressed)))
self.end_headers()
self.wfile.write(compressed)
elif self.path == '/302-non-ascii-redirect':
new_url = f'http://127.0.0.1:{http_server_port(self.server)}/中文.html'
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':
buf = io.BytesIO()
with gzip.GzipFile(fileobj=buf, mode='wb') as f:
f.write(payload)
payload = buf.getvalue()
elif encoding == 'deflate':
payload = zlib.compress(payload)
elif encoding == 'unsupported':
payload = b'raw'
break
else:
self._status(415)
return
self.send_response(200)
self.send_header('Content-Encoding', encodings)
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
elif self.path.startswith('/gen_'):
payload = b'<html></html>'
self.send_response(int(self.path[len('/gen_'):]))
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)
elif self.path.startswith('/incompleteread'):
payload = b'<html></html>'
self.send_response(200)
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Length', '234234')
self.end_headers()
self.wfile.write(payload)
self.finish()
elif self.path.startswith('/timeout_'):
time.sleep(int(self.path[len('/timeout_'):]))
self._headers()
elif self.path == '/source_address':
payload = str(self.client_address[0]).encode()
self.send_response(200)
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)
self.finish()
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, however we need to test we support this
since some sites incorrectly do this.
"""
if keyword.lower() == 'connection':
return super().send_header(keyword, value)
if not hasattr(self, '_headers_buffer'):
self._headers_buffer = []
self._headers_buffer.append(f'{keyword}: {value}\r\n'.encode())
class TestRequestHandlerBase:
@classmethod
def setup_class(cls):
cls.http_httpd = http.server.ThreadingHTTPServer(
('127.0.0.1', 0), HTTPTestRequestHandler)
cls.http_port = http_server_port(cls.http_httpd)
cls.http_server_thread = threading.Thread(target=cls.http_httpd.serve_forever)
# FIXME: we should probably stop the http server thread after each test
# See: https://github.com/yt-dlp/yt-dlp/pull/7094#discussion_r1199746041
cls.http_server_thread.daemon = True
cls.http_server_thread.start()
# HTTPS server
certfn = os.path.join(TEST_DIR, 'testcert.pem')
cls.https_httpd = http.server.ThreadingHTTPServer(
('127.0.0.1', 0), HTTPTestRequestHandler)
sslctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
sslctx.load_cert_chain(certfn, None)
cls.https_httpd.socket = sslctx.wrap_socket(cls.https_httpd.socket, server_side=True)
cls.https_port = http_server_port(cls.https_httpd)
cls.https_server_thread = threading.Thread(target=cls.https_httpd.serve_forever)
cls.https_server_thread.daemon = True
cls.https_server_thread.start()
class TestHTTPRequestHandler(TestRequestHandlerBase):
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_verify_cert(self, handler):
with handler() as rh:
with pytest.raises(CertificateVerifyError):
validate_and_send(rh, Request(f'https://127.0.0.1:{self.https_port}/headers'))
with handler(verify=False) as rh:
r = validate_and_send(rh, Request(f'https://127.0.0.1:{self.https_port}/headers'))
assert r.status == 200
r.close()
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_ssl_error(self, handler):
# HTTPS server with too old TLS version
# XXX: is there a better way to test this than to create a new server?
https_httpd = http.server.ThreadingHTTPServer(
('127.0.0.1', 0), HTTPTestRequestHandler)
sslctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
https_httpd.socket = sslctx.wrap_socket(https_httpd.socket, server_side=True)
https_port = http_server_port(https_httpd)
https_server_thread = threading.Thread(target=https_httpd.serve_forever)
https_server_thread.daemon = True
https_server_thread.start()
with handler(verify=False) as rh:
with pytest.raises(SSLError, match=r'(?i)ssl(?:v3|/tls).alert.handshake.failure') as exc_info:
validate_and_send(rh, Request(f'https://127.0.0.1:{https_port}/headers'))
assert not issubclass(exc_info.type, CertificateVerifyError)
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_percent_encode(self, handler):
with handler() as rh:
# Unicode characters should be encoded with uppercase percent-encoding
res = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/中文.html'))
assert res.status == 200
res.close()
# don't normalize existing percent encodings
res = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/%c7%9f'))
assert res.status == 200
res.close()
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
@pytest.mark.parametrize('path', [
'/a/b/./../../headers',
'/redirect_dotsegments',
# https://github.com/yt-dlp/yt-dlp/issues/9020
'/redirect_dotsegments_absolute',
])
def test_remove_dot_segments(self, handler, path):
with handler(verbose=True) as rh:
# This isn't a comprehensive test,
# but it should be enough to check whether the handler is removing dot segments in required scenarios
res = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}{path}'))
assert res.status == 200
assert res.url == f'http://127.0.0.1:{self.http_port}/headers'
res.close()
# Not supported by CurlCFFI (non-standard)
@pytest.mark.parametrize('handler', ['Urllib', 'Requests'], indirect=True)
def test_unicode_path_redirection(self, handler):
with handler() as rh:
r = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/302-non-ascii-redirect'))
assert r.url == f'http://127.0.0.1:{self.http_port}/%E4%B8%AD%E6%96%87.html'
r.close()
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_raise_http_error(self, handler):
with handler() as rh:
for bad_status in (400, 500, 599, 302):
with pytest.raises(HTTPError):
validate_and_send(rh, Request('http://127.0.0.1:%d/gen_%d' % (self.http_port, bad_status)))
# Should not raise an error
validate_and_send(rh, Request('http://127.0.0.1:%d/gen_200' % self.http_port)).close()
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_response_url(self, handler):
with handler() as rh:
# Response url should be that of the last url in redirect chain
res = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/redirect_301'))
assert res.url == f'http://127.0.0.1:{self.http_port}/method'
res.close()
res2 = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/gen_200'))
assert res2.url == f'http://127.0.0.1:{self.http_port}/gen_200'
res2.close()
# Covers some basic cases we expect some level of consistency between request handlers for
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
@pytest.mark.parametrize('redirect_status,method,expected', [
# A 303 must either use GET or HEAD for subsequent request
(303, 'POST', ('', 'GET', False)),
(303, 'HEAD', ('', 'HEAD', False)),
# 301 and 302 turn POST only into a GET
(301, 'POST', ('', 'GET', False)),
(301, 'HEAD', ('', 'HEAD', False)),
(302, 'POST', ('', 'GET', False)),
(302, 'HEAD', ('', 'HEAD', False)),
# 307 and 308 should not change method
(307, 'POST', ('testdata', 'POST', True)),
(308, 'POST', ('testdata', 'POST', True)),
(307, 'HEAD', ('', 'HEAD', False)),
(308, 'HEAD', ('', 'HEAD', False)),
])
def test_redirect(self, handler, redirect_status, method, expected):
with handler() as rh:
data = b'testdata' if method == 'POST' else None
headers = {}
if data is not None:
headers['Content-Type'] = 'application/test'
res = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/redirect_{redirect_status}', method=method, data=data,
headers=headers))
headers = b''
data_recv = b''
if data is not None:
data_recv += res.read(len(data))
if data_recv != data:
headers += data_recv
data_recv = b''
headers += res.read()
assert expected[0] == data_recv.decode()
assert expected[1] == res.headers.get('method')
assert expected[2] == ('content-length' in headers.decode().lower())
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_request_cookie_header(self, handler):
# We should accept a Cookie header being passed as in normal headers and handle it appropriately.
with handler() as rh:
# Specified Cookie header should be used
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/headers',
headers={'Cookie': 'test=test'})).read().decode()
assert 'cookie: test=test' in res.lower()
# Specified Cookie header should be removed on any redirect
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/308-to-headers',
headers={'Cookie': 'test=test2'})).read().decode()
assert 'cookie: test=test2' not in res.lower()
# Specified Cookie header should override global cookiejar for that request
# Whether cookies from the cookiejar is applied on the redirect is considered undefined for now
cookiejar = YoutubeDLCookieJar()
cookiejar.set_cookie(http.cookiejar.Cookie(
version=0, name='test', value='ytdlp', port=None, port_specified=False,
domain='127.0.0.1', domain_specified=True, domain_initial_dot=False, path='/',
path_specified=True, secure=False, expires=None, discard=False, comment=None,
comment_url=None, rest={}))
with handler(cookiejar=cookiejar) as rh:
data = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers', headers={'cookie': 'test=test3'})).read()
assert b'cookie: test=ytdlp' not in data.lower()
assert b'cookie: test=test3' in data.lower()
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_redirect_loop(self, handler):
with handler() as rh:
with pytest.raises(HTTPError, match='redirect loop'):
validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/redirect_loop'))
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_incompleteread(self, handler):
with handler(timeout=2) as rh:
with pytest.raises(IncompleteRead, match='13 bytes read, 234221 more expected'):
validate_and_send(rh, Request('http://127.0.0.1:%d/incompleteread' % self.http_port)).read()
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_cookies(self, handler):
cookiejar = YoutubeDLCookieJar()
cookiejar.set_cookie(http.cookiejar.Cookie(
0, 'test', 'ytdlp', None, False, '127.0.0.1', True,
False, '/headers', True, False, None, False, None, None, {}))
with handler(cookiejar=cookiejar) as rh:
data = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/headers')).read()
assert b'cookie: test=ytdlp' in data.lower()
# Per request
with handler() as rh:
data = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers', extensions={'cookiejar': cookiejar})).read()
assert b'cookie: test=ytdlp' in data.lower()
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_headers(self, handler):
with handler(headers=HTTPHeaderDict({'test1': 'test', 'test2': 'test2'})) as rh:
# Global Headers
data = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/headers')).read().lower()
assert b'test1: test' in data
# Per request headers, merged with global
data = validate_and_send(rh, Request(
f'http://127.0.0.1:{self.http_port}/headers', headers={'test2': 'changed', 'test3': 'test3'})).read().lower()
assert b'test1: test' in data
assert b'test2: changed' in data
assert b'test2: test2' not in data
assert b'test3: test3' in data
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_read_timeout(self, handler):
with handler() as rh:
# Default timeout is 20 seconds, so this should go through
validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/timeout_1'))
with handler(timeout=0.1) as rh:
with pytest.raises(TransportError):
validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/timeout_5'))
# Per request timeout, should override handler timeout
validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/timeout_1', extensions={'timeout': 4}))
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_connect_timeout(self, handler):
# nothing should be listening on this port
connect_timeout_url = 'http://10.255.255.255'
with handler(timeout=0.01) as rh:
now = time.time()
with pytest.raises(TransportError):
validate_and_send(
rh, Request(connect_timeout_url))
assert 0.01 <= time.time() - now < 20
with handler() as rh:
with pytest.raises(TransportError):
# Per request timeout, should override handler timeout
now = time.time()
validate_and_send(
rh, Request(connect_timeout_url, extensions={'timeout': 0.01}))
assert 0.01 <= time.time() - now < 20
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_source_address(self, handler):
source_address = f'127.0.0.{random.randint(5, 255)}'
# on some systems these loopback addresses we need for testing may not be available
# see: https://github.com/yt-dlp/yt-dlp/issues/8890
verify_address_availability(source_address)
with handler(source_address=source_address) as rh:
data = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/source_address')).read().decode()
assert source_address == data
# Not supported by CurlCFFI
@pytest.mark.parametrize('handler', ['Urllib', 'Requests'], indirect=True)
def test_gzip_trailing_garbage(self, handler):
with handler() as rh:
data = validate_and_send(rh, Request(f'http://localhost:{self.http_port}/trailing_garbage')).read().decode()
assert data == '<html><video src="/vid.mp4" /></html>'
@pytest.mark.parametrize('handler', ['Urllib', 'Requests'], indirect=True)
@pytest.mark.skipif(not brotli, reason='brotli support is not installed')
def test_brotli(self, handler):
with handler() as rh:
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': 'br'}))
assert res.headers.get('Content-Encoding') == 'br'
assert res.read() == b'<html><video src="/vid.mp4" /></html>'
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_deflate(self, handler):
with handler() as rh:
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': 'deflate'}))
assert res.headers.get('Content-Encoding') == 'deflate'
assert res.read() == b'<html><video src="/vid.mp4" /></html>'
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_gzip(self, handler):
with handler() as rh:
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': 'gzip'}))
assert res.headers.get('Content-Encoding') == 'gzip'
assert res.read() == b'<html><video src="/vid.mp4" /></html>'
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_multiple_encodings(self, handler):
with handler() as rh:
for pair in ('gzip,deflate', 'deflate, gzip', 'gzip, gzip', 'deflate, deflate'):
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': pair}))
assert res.headers.get('Content-Encoding') == pair
assert res.read() == b'<html><video src="/vid.mp4" /></html>'
# Not supported by curl_cffi
@pytest.mark.parametrize('handler', ['Urllib', 'Requests'], indirect=True)
def test_unsupported_encoding(self, handler):
with handler() as rh:
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': 'unsupported', 'Accept-Encoding': '*'}))
assert res.headers.get('Content-Encoding') == 'unsupported'
assert res.read() == b'raw'
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_read(self, handler):
with handler() as rh:
res = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers'))
assert res.readable()
assert res.read(1) == b'H'
assert res.read(3) == b'ost'
assert res.read().decode().endswith('\n\n')
assert res.read() == b''
class TestHTTPProxy(TestRequestHandlerBase):
# Note: this only tests http urls over non-CONNECT proxy
@classmethod
def setup_class(cls):
super().setup_class()
# HTTP Proxy server
cls.proxy = http.server.ThreadingHTTPServer(
('127.0.0.1', 0), _build_proxy_handler('normal'))
cls.proxy_port = http_server_port(cls.proxy)
cls.proxy_thread = threading.Thread(target=cls.proxy.serve_forever)
cls.proxy_thread.daemon = True
cls.proxy_thread.start()
# Geo proxy server
cls.geo_proxy = http.server.ThreadingHTTPServer(
('127.0.0.1', 0), _build_proxy_handler('geo'))
cls.geo_port = http_server_port(cls.geo_proxy)
cls.geo_proxy_thread = threading.Thread(target=cls.geo_proxy.serve_forever)
cls.geo_proxy_thread.daemon = True
cls.geo_proxy_thread.start()
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_http_proxy(self, handler):
http_proxy = f'http://127.0.0.1:{self.proxy_port}'
geo_proxy = f'http://127.0.0.1:{self.geo_port}'
# Test global http proxy
# Test per request http proxy
# Test per request http proxy disables proxy
url = 'http://foo.com/bar'
# Global HTTP proxy
with handler(proxies={'http': http_proxy}) as rh:
res = validate_and_send(rh, Request(url)).read().decode()
assert res == f'normal: {url}'
# Per request proxy overrides global
res = validate_and_send(rh, Request(url, proxies={'http': geo_proxy})).read().decode()
assert res == f'geo: {url}'
# and setting to None disables all proxies for that request
real_url = f'http://127.0.0.1:{self.http_port}/headers'
res = validate_and_send(
rh, Request(real_url, proxies={'http': None})).read().decode()
assert res != f'normal: {real_url}'
assert 'Accept' in res
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_noproxy(self, handler):
with handler(proxies={'proxy': f'http://127.0.0.1:{self.proxy_port}'}) as rh:
# NO_PROXY
for no_proxy in (f'127.0.0.1:{self.http_port}', '127.0.0.1', 'localhost'):
nop_response = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers', proxies={'no': no_proxy})).read().decode(
'utf-8')
assert 'Accept' in nop_response
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_allproxy(self, handler):
url = 'http://foo.com/bar'
with handler() as rh:
response = validate_and_send(rh, Request(url, proxies={'all': f'http://127.0.0.1:{self.proxy_port}'})).read().decode(
'utf-8')
assert response == f'normal: {url}'
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_http_proxy_with_idn(self, handler):
with handler(proxies={
'http': f'http://127.0.0.1:{self.proxy_port}',
}) as rh:
url = 'http://中文.tw/'
response = rh.send(Request(url)).read().decode()
# b'xn--fiq228c' is '中文'.encode('idna')
assert response == 'normal: http://xn--fiq228c.tw/'
class TestClientCertificate:
@classmethod
def setup_class(cls):
certfn = os.path.join(TEST_DIR, 'testcert.pem')
cls.certdir = os.path.join(TEST_DIR, 'testdata', 'certificate')
cacertfn = os.path.join(cls.certdir, 'ca.crt')
cls.httpd = http.server.ThreadingHTTPServer(('127.0.0.1', 0), HTTPTestRequestHandler)
sslctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
sslctx.verify_mode = ssl.CERT_REQUIRED
sslctx.load_verify_locations(cafile=cacertfn)
sslctx.load_cert_chain(certfn, None)
cls.httpd.socket = sslctx.wrap_socket(cls.httpd.socket, server_side=True)
cls.port = http_server_port(cls.httpd)
cls.server_thread = threading.Thread(target=cls.httpd.serve_forever)
cls.server_thread.daemon = True
cls.server_thread.start()
def _run_test(self, handler, **handler_kwargs):
with handler(
# Disable client-side validation of unacceptable self-signed testcert.pem
# The test is of a check on the server side, so unaffected
verify=False,
**handler_kwargs,
) as rh:
validate_and_send(rh, Request(f'https://127.0.0.1:{self.port}/video.html')).read().decode()
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_certificate_combined_nopass(self, handler):
self._run_test(handler, client_cert={
'client_certificate': os.path.join(self.certdir, 'clientwithkey.crt'),
})
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_certificate_nocombined_nopass(self, handler):
self._run_test(handler, client_cert={
'client_certificate': os.path.join(self.certdir, 'client.crt'),
'client_certificate_key': os.path.join(self.certdir, 'client.key'),
})
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_certificate_combined_pass(self, handler):
self._run_test(handler, client_cert={
'client_certificate': os.path.join(self.certdir, 'clientwithencryptedkey.crt'),
'client_certificate_password': 'foobar',
})
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
def test_certificate_nocombined_pass(self, handler):
self._run_test(handler, client_cert={
'client_certificate': os.path.join(self.certdir, 'client.crt'),
'client_certificate_key': os.path.join(self.certdir, 'clientencrypted.key'),
'client_certificate_password': 'foobar',
})
@pytest.mark.parametrize('handler', ['CurlCFFI'], indirect=True)
class TestHTTPImpersonateRequestHandler(TestRequestHandlerBase):
def test_supported_impersonate_targets(self, handler):
with handler(headers=std_headers) as rh:
# note: this assumes the impersonate request handler supports the impersonate extension
for target in rh.supported_targets:
res = validate_and_send(rh, Request(
f'http://127.0.0.1:{self.http_port}/headers', extensions={'impersonate': target}))
assert res.status == 200
assert std_headers['user-agent'].lower() not in res.read().decode().lower()
class TestRequestHandlerMisc:
"""Misc generic tests for request handlers, not related to request or validation testing"""
@pytest.mark.parametrize('handler,logger_name', [
('Requests', 'urllib3'),
('Websockets', 'websockets.client'),
('Websockets', 'websockets.server')
], indirect=['handler'])
def test_remove_logging_handler(self, handler, logger_name):
# Ensure any logging handlers, which may contain a YoutubeDL instance,
# are removed when we close the request handler
# See: https://github.com/yt-dlp/yt-dlp/issues/8922
logging_handlers = logging.getLogger(logger_name).handlers
before_count = len(logging_handlers)
rh = handler()
assert len(logging_handlers) == before_count + 1
rh.close()
assert len(logging_handlers) == before_count
class TestUrllibRequestHandler(TestRequestHandlerBase):
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_file_urls(self, handler):
# See https://github.com/ytdl-org/youtube-dl/issues/8227
tf = tempfile.NamedTemporaryFile(delete=False)
tf.write(b'foobar')
tf.close()
req = Request(pathlib.Path(tf.name).as_uri())
with handler() as rh:
with pytest.raises(UnsupportedRequest):
rh.validate(req)
# Test that urllib never loaded FileHandler
with pytest.raises(TransportError):
rh.send(req)
with handler(enable_file_urls=True) as rh:
res = validate_and_send(rh, req)
assert res.read() == b'foobar'
res.close()
os.unlink(tf.name)
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_http_error_returns_content(self, handler):
# urllib HTTPError will try close the underlying response if reference to the HTTPError object is lost
def get_response():
with handler() as rh:
# headers url
try:
validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/gen_404'))
except HTTPError as e:
return e.response
assert get_response().read() == b'<html></html>'
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_verify_cert_error_text(self, handler):
# Check the output of the error message
with handler() as rh:
with pytest.raises(
CertificateVerifyError,
match=r'\[SSL: CERTIFICATE_VERIFY_FAILED\] certificate verify failed: self.signed certificate'
):
validate_and_send(rh, Request(f'https://127.0.0.1:{self.https_port}/headers'))
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
@pytest.mark.parametrize('req,match,version_check', [
# https://github.com/python/cpython/blob/987b712b4aeeece336eed24fcc87a950a756c3e2/Lib/http/client.py#L1256
# bpo-39603: Check implemented in 3.7.9+, 3.8.5+
(
Request('http://127.0.0.1', method='GET\n'),
'method can\'t contain control characters',
lambda v: v < (3, 7, 9) or (3, 8, 0) <= v < (3, 8, 5)
),
# https://github.com/python/cpython/blob/987b712b4aeeece336eed24fcc87a950a756c3e2/Lib/http/client.py#L1265
# bpo-38576: Check implemented in 3.7.8+, 3.8.3+
(
Request('http://127.0.0. 1', method='GET'),
'URL can\'t contain control characters',
lambda v: v < (3, 7, 8) or (3, 8, 0) <= v < (3, 8, 3)
),
# https://github.com/python/cpython/blob/987b712b4aeeece336eed24fcc87a950a756c3e2/Lib/http/client.py#L1288C31-L1288C50
(Request('http://127.0.0.1', headers={'foo\n': 'bar'}), 'Invalid header name', None),
])
def test_httplib_validation_errors(self, handler, req, match, version_check):
if version_check and version_check(sys.version_info):
pytest.skip(f'Python {sys.version} version does not have the required validation for this test.')
with handler() as rh:
with pytest.raises(RequestError, match=match) as exc_info:
validate_and_send(rh, req)
assert not isinstance(exc_info.value, TransportError)
@pytest.mark.parametrize('handler', ['Requests'], indirect=True)
class TestRequestsRequestHandler(TestRequestHandlerBase):
@pytest.mark.parametrize('raised,expected', [
(lambda: requests.exceptions.ConnectTimeout(), TransportError),
(lambda: requests.exceptions.ReadTimeout(), TransportError),
(lambda: requests.exceptions.Timeout(), TransportError),
(lambda: requests.exceptions.ConnectionError(), TransportError),
(lambda: requests.exceptions.ProxyError(), ProxyError),
(lambda: requests.exceptions.SSLError('12[CERTIFICATE_VERIFY_FAILED]34'), CertificateVerifyError),
(lambda: requests.exceptions.SSLError(), SSLError),
(lambda: requests.exceptions.InvalidURL(), RequestError),
(lambda: requests.exceptions.InvalidHeader(), RequestError),
# catch-all: https://github.com/psf/requests/blob/main/src/requests/adapters.py#L535
(lambda: urllib3.exceptions.HTTPError(), TransportError),
(lambda: requests.exceptions.RequestException(), RequestError)
# (lambda: requests.exceptions.TooManyRedirects(), HTTPError) - Needs a response object
])
def test_request_error_mapping(self, handler, monkeypatch, raised, expected):
with handler() as rh:
def mock_get_instance(*args, **kwargs):
class MockSession:
def request(self, *args, **kwargs):
raise raised()
return MockSession()
monkeypatch.setattr(rh, '_get_instance', mock_get_instance)
with pytest.raises(expected) as exc_info:
rh.send(Request('http://fake'))
assert exc_info.type is expected
@pytest.mark.parametrize('raised,expected,match', [
(lambda: urllib3.exceptions.SSLError(), SSLError, None),
(lambda: urllib3.exceptions.TimeoutError(), TransportError, None),
(lambda: urllib3.exceptions.ReadTimeoutError(None, None, None), TransportError, None),
(lambda: urllib3.exceptions.ProtocolError(), TransportError, None),
(lambda: urllib3.exceptions.DecodeError(), TransportError, None),
(lambda: urllib3.exceptions.HTTPError(), TransportError, None), # catch-all
(
lambda: urllib3.exceptions.ProtocolError('error', http.client.IncompleteRead(partial=b'abc', expected=4)),
IncompleteRead,
'3 bytes read, 4 more expected'
),
(
lambda: urllib3.exceptions.ProtocolError('error', urllib3.exceptions.IncompleteRead(partial=3, expected=5)),
IncompleteRead,
'3 bytes read, 5 more expected'
),
])
def test_response_error_mapping(self, handler, monkeypatch, raised, expected, match):
from requests.models import Response as RequestsResponse
from urllib3.response import HTTPResponse as Urllib3Response
from yt_dlp.networking._requests import RequestsResponseAdapter
requests_res = RequestsResponse()
requests_res.raw = Urllib3Response(body=b'', status=200)
res = RequestsResponseAdapter(requests_res)
def mock_read(*args, **kwargs):
raise raised()
monkeypatch.setattr(res.fp, 'read', mock_read)
with pytest.raises(expected, match=match) as exc_info:
res.read()
assert exc_info.type is expected
def test_close(self, handler, monkeypatch):
rh = handler()
session = rh._get_instance(cookiejar=rh.cookiejar)
called = False
original_close = session.close
def mock_close(*args, **kwargs):
nonlocal called
called = True
return original_close(*args, **kwargs)
monkeypatch.setattr(session, 'close', mock_close)
rh.close()
assert called
@pytest.mark.parametrize('handler', ['CurlCFFI'], indirect=True)
class TestCurlCFFIRequestHandler(TestRequestHandlerBase):
@pytest.mark.parametrize('params,extensions', [
({}, {'impersonate': ImpersonateTarget('chrome')}),
({'impersonate': ImpersonateTarget('chrome', '110')}, {}),
({'impersonate': ImpersonateTarget('chrome', '99')}, {'impersonate': ImpersonateTarget('chrome', '110')}),
])
def test_impersonate(self, handler, params, extensions):
with handler(headers=std_headers, **params) as rh:
res = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers', extensions=extensions)).read().decode()
assert 'sec-ch-ua: "Chromium";v="110"' in res
# Check that user agent is added over ours
assert 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36' in res
def test_headers(self, handler):
with handler(headers=std_headers) as rh:
# Ensure curl-impersonate overrides our standard headers (usually added
res = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers', extensions={
'impersonate': ImpersonateTarget('safari')}, headers={'x-custom': 'test', 'sec-fetch-mode': 'custom'})).read().decode().lower()
assert std_headers['user-agent'].lower() not in res
assert std_headers['accept-language'].lower() not in res
assert std_headers['sec-fetch-mode'].lower() not in res
# other than UA, custom headers that differ from std_headers should be kept
assert 'sec-fetch-mode: custom' in res
assert 'x-custom: test' in res
# but when not impersonating don't remove std_headers
res = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers', headers={'x-custom': 'test'})).read().decode().lower()
# std_headers should be present
for k, v in std_headers.items():