[core] Update redirect handling from yt-dlp
* Thx coletdjnz: https://github.com/yt-dlp/yt-dlp/pull/7094 * add test that redirected `POST` loses its `Content-Type`
This commit is contained in:
dirkf
parent
648dc5304c
commit
46fde7caee
@ -8,33 +8,160 @@ import sys
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import unittest
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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import gzip
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import io
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import ssl
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import tempfile
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import threading
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import zlib
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# avoid deprecated alias assertRaisesRegexp
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if hasattr(unittest.TestCase, 'assertRaisesRegex'):
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unittest.TestCase.assertRaisesRegexp = unittest.TestCase.assertRaisesRegex
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try:
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import brotli
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except ImportError:
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brotli = None
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try:
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from urllib.request import pathname2url
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except ImportError:
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from urllib import pathname2url
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from youtube_dl.compat import (
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compat_http_cookiejar_Cookie,
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compat_http_server,
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compat_str as str,
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compat_urllib_error,
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compat_urllib_HTTPError,
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compat_urllib_parse,
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compat_urllib_request,
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)
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from youtube_dl.utils import (
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sanitized_Request,
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urlencode_postdata,
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)
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from test.helper import (
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FakeYDL,
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FakeLogger,
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http_server_port,
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)
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from youtube_dl import YoutubeDL
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from youtube_dl.compat import compat_http_server, compat_urllib_request
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import ssl
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import threading
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TEST_DIR = os.path.dirname(os.path.abspath(__file__))
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class HTTPTestRequestHandler(compat_http_server.BaseHTTPRequestHandler):
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protocol_version = 'HTTP/1.1'
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# work-around old/new -style class inheritance
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def super(self, meth_name, *args, **kwargs):
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from types import MethodType
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try:
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super()
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fn = lambda s, m, *a, **k: getattr(super(), m)(*a, **k)
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except TypeError:
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fn = lambda s, m, *a, **k: getattr(compat_http_server.BaseHTTPRequestHandler, m)(s, *a, **k)
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self.super = MethodType(fn, self)
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return self.super(meth_name, *args, **kwargs)
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def log_message(self, format, *args):
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pass
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def do_GET(self):
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if self.path == '/video.html':
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def _headers(self):
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payload = str(self.headers).encode('utf-8')
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self.send_response(200)
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self.send_header('Content-Type', 'application/json')
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self.send_header('Content-Length', str(len(payload)))
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self.end_headers()
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self.wfile.write(payload)
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def _redirect(self):
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self.send_response(int(self.path[len('/redirect_'):]))
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self.send_header('Location', '/method')
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self.send_header('Content-Length', '0')
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self.end_headers()
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def _method(self, method, payload=None):
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self.send_response(200)
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self.send_header('Content-Length', str(len(payload or '')))
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self.send_header('Method', method)
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self.end_headers()
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if payload:
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self.wfile.write(payload)
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def _status(self, status):
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payload = '<html>{0} NOT FOUND</html>'.format(status).encode('utf-8')
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self.send_response(int(status))
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self.send_header('Content-Type', 'text/html; charset=utf-8')
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self.send_header('Content-Length', str(len(payload)))
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self.end_headers()
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self.wfile.write(b'<html><video src="/vid.mp4" /></html>')
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self.wfile.write(payload)
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def _read_data(self):
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if 'Content-Length' in self.headers:
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return self.rfile.read(int(self.headers['Content-Length']))
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def _test_url(self, path, host='127.0.0.1', scheme='http', port=None):
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return '{0}://{1}:{2}/{3}'.format(
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scheme, host,
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port if port is not None
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else http_server_port(self.server), path)
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def do_POST(self):
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data = self._read_data()
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if self.path.startswith('/redirect_'):
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self._redirect()
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elif self.path.startswith('/method'):
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self._method('POST', data)
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elif self.path.startswith('/headers'):
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self._headers()
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else:
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self._status(404)
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def do_HEAD(self):
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if self.path.startswith('/redirect_'):
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self._redirect()
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elif self.path.startswith('/method'):
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self._method('HEAD')
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else:
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self._status(404)
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def do_PUT(self):
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data = self._read_data()
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if self.path.startswith('/redirect_'):
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self._redirect()
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elif self.path.startswith('/method'):
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self._method('PUT', data)
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else:
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self._status(404)
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def do_GET(self):
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def respond(payload=b'<html><video src="/vid.mp4" /></html>',
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payload_type='text/html; charset=utf-8',
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payload_encoding=None,
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resp_code=200):
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self.send_response(resp_code)
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self.send_header('Content-Type', payload_type)
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if payload_encoding:
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self.send_header('Content-Encoding', payload_encoding)
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self.send_header('Content-Length', str(len(payload))) # required for persistent connections
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self.end_headers()
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self.wfile.write(payload)
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def gzip_compress(p):
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buf = io.BytesIO()
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with gzip.GzipFile(fileobj=buf, mode='wb') as f:
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f.write(p)
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return buf.getvalue()
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if self.path == '/video.html':
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respond()
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elif self.path == '/vid.mp4':
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self.send_response(200)
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self.send_header('Content-Type', 'video/mp4')
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self.end_headers()
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self.wfile.write(b'\x00\x00\x00\x00\x20\x66\x74[video]')
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respond(b'\x00\x00\x00\x00\x20\x66\x74[video]', 'video/mp4')
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elif self.path == '/302':
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if sys.version_info[0] == 3:
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# XXX: Python 3 http server does not allow non-ASCII header values
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@ -42,60 +169,284 @@ class HTTPTestRequestHandler(compat_http_server.BaseHTTPRequestHandler):
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self.end_headers()
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return
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new_url = 'http://127.0.0.1:%d/中文.html' % http_server_port(self.server)
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new_url = self._test_url('中文.html')
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self.send_response(302)
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self.send_header(b'Location', new_url.encode('utf-8'))
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self.end_headers()
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elif self.path == '/%E4%B8%AD%E6%96%87.html':
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self.send_response(200)
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self.send_header('Content-Type', 'text/html; charset=utf-8')
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respond()
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elif self.path == '/%c7%9f':
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respond()
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elif self.path.startswith('/redirect_'):
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self._redirect()
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elif self.path.startswith('/method'):
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self._method('GET')
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elif self.path.startswith('/headers'):
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self._headers()
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elif self.path == '/trailing_garbage':
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payload = b'<html><video src="/vid.mp4" /></html>'
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compressed = gzip_compress(payload) + b'trailing garbage'
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respond(compressed, payload_encoding='gzip')
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elif self.path == '/302-non-ascii-redirect':
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new_url = self._test_url('中文.html')
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# actually respond with permanent redirect
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self.send_response(301)
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self.send_header('Location', new_url)
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self.send_header('Content-Length', '0')
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self.end_headers()
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self.wfile.write(b'<html><video src="/vid.mp4" /></html>')
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elif self.path == '/content-encoding':
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encodings = self.headers.get('ytdl-encoding', '')
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payload = b'<html><video src="/vid.mp4" /></html>'
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for encoding in filter(None, (e.strip() for e in encodings.split(','))):
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if encoding == 'br' and brotli:
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payload = brotli.compress(payload)
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elif encoding == 'gzip':
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payload = gzip_compress(payload)
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elif encoding == 'deflate':
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payload = zlib.compress(payload)
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elif encoding == 'unsupported':
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payload = b'raw'
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break
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else:
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assert False
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self._status(415)
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return
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respond(payload, payload_encoding=encodings)
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else:
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self._status(404)
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def send_header(self, keyword, value):
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"""
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Forcibly allow HTTP server to send non percent-encoded non-ASCII characters in headers.
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This is against what is defined in RFC 3986: but we need to test that we support this
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since some sites incorrectly do this.
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"""
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if keyword.lower() == 'connection':
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return self.super('send_header', keyword, value)
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if not hasattr(self, '_headers_buffer'):
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self._headers_buffer = []
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self._headers_buffer.append('{0}: {1}\r\n'.format(keyword, value).encode('utf-8'))
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def end_headers(self):
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if hasattr(self, '_headers_buffer'):
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self.wfile.write(b''.join(self._headers_buffer))
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self._headers_buffer = []
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self.super('end_headers')
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class TestHTTP(unittest.TestCase):
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def setUp(self):
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self.httpd = compat_http_server.HTTPServer(
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# HTTP server
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self.http_httpd = compat_http_server.HTTPServer(
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('127.0.0.1', 0), HTTPTestRequestHandler)
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self.port = http_server_port(self.httpd)
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self.server_thread = threading.Thread(target=self.httpd.serve_forever)
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self.server_thread.daemon = True
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self.server_thread.start()
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self.http_port = http_server_port(self.http_httpd)
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def test_unicode_path_redirection(self):
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# XXX: Python 3 http server does not allow non-ASCII header values
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if sys.version_info[0] == 3:
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return
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self.http_server_thread = threading.Thread(target=self.http_httpd.serve_forever)
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self.http_server_thread.daemon = True
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self.http_server_thread.start()
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ydl = YoutubeDL({'logger': FakeLogger()})
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r = ydl.extract_info('http://127.0.0.1:%d/302' % self.port)
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self.assertEqual(r['entries'][0]['url'], 'http://127.0.0.1:%d/vid.mp4' % self.port)
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try:
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from http.server import ThreadingHTTPServer
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except ImportError:
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try:
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from socketserver import ThreadingMixIn
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except ImportError:
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from SocketServer import ThreadingMixIn
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class ThreadingHTTPServer(ThreadingMixIn, compat_http_server.HTTPServer):
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pass
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class TestHTTPS(unittest.TestCase):
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def setUp(self):
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# HTTPS server
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certfn = os.path.join(TEST_DIR, 'testcert.pem')
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self.httpd = compat_http_server.HTTPServer(
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self.https_httpd = ThreadingHTTPServer(
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('127.0.0.1', 0), HTTPTestRequestHandler)
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self.httpd.socket = ssl.wrap_socket(
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self.httpd.socket, certfile=certfn, server_side=True)
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self.port = http_server_port(self.httpd)
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self.server_thread = threading.Thread(target=self.httpd.serve_forever)
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self.server_thread.daemon = True
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self.server_thread.start()
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try:
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sslctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
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sslctx.verify_mode = ssl.CERT_NONE
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sslctx.check_hostname = False
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sslctx.load_cert_chain(certfn, None)
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self.https_httpd.socket = sslctx.wrap_socket(
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self.https_httpd.socket, server_side=True)
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except AttributeError:
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self.https_httpd.socket = ssl.wrap_socket(
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self.https_httpd.socket, certfile=certfn, server_side=True)
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self.https_port = http_server_port(self.https_httpd)
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self.https_server_thread = threading.Thread(target=self.https_httpd.serve_forever)
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self.https_server_thread.daemon = True
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self.https_server_thread.start()
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def tearDown(self):
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def closer(svr):
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def _closer():
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svr.shutdown()
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svr.server_close()
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return _closer
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shutdown_thread = threading.Thread(target=closer(self.http_httpd))
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shutdown_thread.start()
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self.http_server_thread.join(2.0)
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shutdown_thread = threading.Thread(target=closer(self.https_httpd))
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shutdown_thread.start()
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self.https_server_thread.join(2.0)
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def _test_url(self, path, host='127.0.0.1', scheme='http', port=None):
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return '{0}://{1}:{2}/{3}'.format(
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scheme, host,
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port if port is not None
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else self.https_port if scheme == 'https'
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else self.http_port, path)
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def test_nocheckcertificate(self):
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if sys.version_info >= (2, 7, 9): # No certificate checking anyways
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ydl = YoutubeDL({'logger': FakeLogger()})
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self.assertRaises(
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Exception,
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ydl.extract_info, 'https://127.0.0.1:%d/video.html' % self.port)
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with FakeYDL({'logger': FakeLogger()}) as ydl:
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with self.assertRaises(compat_urllib_error.URLError):
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ydl.urlopen(sanitized_Request(self._test_url('headers', scheme='https')))
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ydl = YoutubeDL({'logger': FakeLogger(), 'nocheckcertificate': True})
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r = ydl.extract_info('https://127.0.0.1:%d/video.html' % self.port)
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self.assertEqual(r['entries'][0]['url'], 'https://127.0.0.1:%d/vid.mp4' % self.port)
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with FakeYDL({'logger': FakeLogger(), 'nocheckcertificate': True}) as ydl:
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r = ydl.urlopen(sanitized_Request(self._test_url('headers', scheme='https')))
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self.assertEqual(r.getcode(), 200)
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r.close()
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def test_percent_encode(self):
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with FakeYDL() as ydl:
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# Unicode characters should be encoded with uppercase percent-encoding
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res = ydl.urlopen(sanitized_Request(self._test_url('中文.html')))
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self.assertEqual(res.getcode(), 200)
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res.close()
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# don't normalize existing percent encodings
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res = ydl.urlopen(sanitized_Request(self._test_url('%c7%9f')))
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self.assertEqual(res.getcode(), 200)
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res.close()
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def test_unicode_path_redirection(self):
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with FakeYDL() as ydl:
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r = ydl.urlopen(sanitized_Request(self._test_url('302-non-ascii-redirect')))
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self.assertEqual(r.url, self._test_url('%E4%B8%AD%E6%96%87.html'))
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r.close()
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def test_redirect(self):
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with FakeYDL() as ydl:
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def do_req(redirect_status, method, check_no_content=False):
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data = b'testdata' if method in ('POST', 'PUT') else None
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res = ydl.urlopen(sanitized_Request(
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self._test_url('redirect_{0}'.format(redirect_status)),
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method=method, data=data))
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if check_no_content:
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self.assertNotIn('Content-Type', res.headers)
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return res.read().decode('utf-8'), res.headers.get('method', '')
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# A 303 must either use GET or HEAD for subsequent request
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self.assertEqual(do_req(303, 'POST'), ('', 'GET'))
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self.assertEqual(do_req(303, 'HEAD'), ('', 'HEAD'))
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self.assertEqual(do_req(303, 'PUT'), ('', 'GET'))
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# 301 and 302 turn POST only into a GET, with no Content-Type
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self.assertEqual(do_req(301, 'POST', True), ('', 'GET'))
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self.assertEqual(do_req(301, 'HEAD'), ('', 'HEAD'))
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self.assertEqual(do_req(302, 'POST', True), ('', 'GET'))
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self.assertEqual(do_req(302, 'HEAD'), ('', 'HEAD'))
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self.assertEqual(do_req(301, 'PUT'), ('testdata', 'PUT'))
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self.assertEqual(do_req(302, 'PUT'), ('testdata', 'PUT'))
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# 307 and 308 should not change method
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for m in ('POST', 'PUT'):
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self.assertEqual(do_req(307, m), ('testdata', m))
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self.assertEqual(do_req(308, m), ('testdata', m))
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self.assertEqual(do_req(307, 'HEAD'), ('', 'HEAD'))
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self.assertEqual(do_req(308, 'HEAD'), ('', 'HEAD'))
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# These should not redirect and instead raise an HTTPError
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for code in (300, 304, 305, 306):
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with self.assertRaises(compat_urllib_HTTPError):
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do_req(code, 'GET')
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def test_content_type(self):
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# https://github.com/yt-dlp/yt-dlp/commit/379a4f161d4ad3e40932dcf5aca6e6fb9715ab28
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with FakeYDL({'nocheckcertificate': True}) as ydl:
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# method should be auto-detected as POST
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r = sanitized_Request(self._test_url('headers', scheme='https'), data=urlencode_postdata({'test': 'test'}))
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headers = ydl.urlopen(r).read().decode('utf-8')
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self.assertIn('Content-Type: application/x-www-form-urlencoded', headers)
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# test http
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r = sanitized_Request(self._test_url('headers'), data=urlencode_postdata({'test': 'test'}))
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headers = ydl.urlopen(r).read().decode('utf-8')
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self.assertIn('Content-Type: application/x-www-form-urlencoded', headers)
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def test_cookiejar(self):
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with FakeYDL() as ydl:
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ydl.cookiejar.set_cookie(compat_http_cookiejar_Cookie(
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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()
|
||||
self.assertIn(b'Cookie: test=ytdl', 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}))
|
||||
self.assertEqual(res.headers.get('Content-Encoding'), encoding)
|
||||
self.assertEqual(res.read(), b'<html><video src="/vid.mp4" /></html>')
|
||||
|
||||
@unittest.skipUnless(brotli, 'brotli support is not installed')
|
||||
@unittest.expectedFailure
|
||||
def test_brotli(self):
|
||||
self.__test_compression('br')
|
||||
|
||||
@unittest.expectedFailure
|
||||
def test_deflate(self):
|
||||
self.__test_compression('deflate')
|
||||
|
||||
@unittest.expectedFailure
|
||||
def test_gzip(self):
|
||||
self.__test_compression('gzip')
|
||||
|
||||
@unittest.expectedFailure # not yet implemented
|
||||
def test_multiple_encodings(self):
|
||||
# https://www.rfc-editor.org/rfc/rfc9110.html#section-8.4
|
||||
with FakeYDL() as ydl:
|
||||
for pair in ('gzip,deflate', 'deflate, gzip', 'gzip, gzip', 'deflate, deflate'):
|
||||
res = ydl.urlopen(
|
||||
sanitized_Request(
|
||||
self._test_url('content-encoding'),
|
||||
headers={'ytdl-encoding': pair}))
|
||||
self.assertEqual(res.headers.get('Content-Encoding'), pair)
|
||||
self.assertEqual(res.read(), b'<html><video src="/vid.mp4" /></html>')
|
||||
|
||||
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 _build_proxy_handler(name):
|
||||
@ -109,7 +460,7 @@ def _build_proxy_handler(name):
|
||||
self.send_response(200)
|
||||
self.send_header('Content-Type', 'text/plain; charset=utf-8')
|
||||
self.end_headers()
|
||||
self.wfile.write('{self.proxy_name}: {self.path}'.format(self=self).encode('utf-8'))
|
||||
self.wfile.write('{0}: {1}'.format(self.proxy_name, self.path).encode('utf-8'))
|
||||
return HTTPTestRequestHandler
|
||||
|
||||
|
||||
@ -129,10 +480,30 @@ class TestProxy(unittest.TestCase):
|
||||
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 = '127.0.0.1:{0}'.format(self.geo_port)
|
||||
geo_proxy = self._test_proxy(port=self.geo_port)
|
||||
ydl = YoutubeDL({
|
||||
'proxy': '127.0.0.1:{0}'.format(self.port),
|
||||
'proxy': self._test_proxy(),
|
||||
'geo_verification_proxy': geo_proxy,
|
||||
})
|
||||
url = 'http://foo.com/bar'
|
||||
@ -146,7 +517,7 @@ class TestProxy(unittest.TestCase):
|
||||
|
||||
def test_proxy_with_idn(self):
|
||||
ydl = YoutubeDL({
|
||||
'proxy': '127.0.0.1:{0}'.format(self.port),
|
||||
'proxy': self._test_proxy(),
|
||||
})
|
||||
url = 'http://中文.tw/'
|
||||
response = ydl.urlopen(url).read().decode('utf-8')
|
||||
@ -154,5 +525,25 @@ class TestProxy(unittest.TestCase):
|
||||
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()
|
||||
|
||||
@ -41,7 +41,6 @@ import zlib
|
||||
from .compat import (
|
||||
compat_HTMLParseError,
|
||||
compat_HTMLParser,
|
||||
compat_HTTPError,
|
||||
compat_basestring,
|
||||
compat_casefold,
|
||||
compat_chr,
|
||||
@ -64,6 +63,7 @@ from .compat import (
|
||||
compat_struct_pack,
|
||||
compat_struct_unpack,
|
||||
compat_urllib_error,
|
||||
compat_urllib_HTTPError,
|
||||
compat_urllib_parse,
|
||||
compat_urllib_parse_parse_qs as compat_parse_qs,
|
||||
compat_urllib_parse_urlencode,
|
||||
@ -2614,7 +2614,8 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
|
||||
|
||||
Part of this code was copied from:
|
||||
|
||||
http://techknack.net/python-urllib2-handlers/
|
||||
http://techknack.net/python-urllib2-handlers/, archived at
|
||||
https://web.archive.org/web/20130527205558/http://techknack.net/python-urllib2-handlers/
|
||||
|
||||
Andrew Rowls, the author of that code, agreed to release it to the
|
||||
public domain.
|
||||
@ -2672,7 +2673,9 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
|
||||
req._Request__original = req._Request__original.partition('#')[0]
|
||||
req._Request__r_type = req._Request__r_type.partition('#')[0]
|
||||
|
||||
return req
|
||||
# Use the totally undocumented AbstractHTTPHandler per
|
||||
# https://github.com/yt-dlp/yt-dlp/pull/4158
|
||||
return compat_urllib_request.AbstractHTTPHandler.do_request_(self, req)
|
||||
|
||||
def http_response(self, req, resp):
|
||||
old_resp = resp
|
||||
@ -2683,7 +2686,7 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
|
||||
try:
|
||||
uncompressed = io.BytesIO(gz.read())
|
||||
except IOError as original_ioerror:
|
||||
# There may be junk add the end of the file
|
||||
# There may be junk at the end of the file
|
||||
# See http://stackoverflow.com/q/4928560/35070 for details
|
||||
for i in range(1, 1024):
|
||||
try:
|
||||
@ -2710,8 +2713,7 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
|
||||
if location:
|
||||
# As of RFC 2616 default charset is iso-8859-1 that is respected by python 3
|
||||
if sys.version_info >= (3, 0):
|
||||
location = location.encode('iso-8859-1').decode('utf-8')
|
||||
else:
|
||||
location = location.encode('iso-8859-1')
|
||||
location = location.decode('utf-8')
|
||||
location_escaped = escape_url(location)
|
||||
if location != location_escaped:
|
||||
@ -2940,17 +2942,16 @@ class YoutubeDLRedirectHandler(compat_urllib_request.HTTPRedirectHandler):
|
||||
|
||||
The code is based on HTTPRedirectHandler implementation from CPython [1].
|
||||
|
||||
This redirect handler solves two issues:
|
||||
- ensures redirect URL is always unicode under python 2
|
||||
- introduces support for experimental HTTP response status code
|
||||
308 Permanent Redirect [2] used by some sites [3]
|
||||
This redirect handler fixes and improves the logic to better align with RFC7261
|
||||
and what browsers tend to do [2][3]
|
||||
|
||||
1. https://github.com/python/cpython/blob/master/Lib/urllib/request.py
|
||||
2. https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/308
|
||||
3. https://github.com/ytdl-org/youtube-dl/issues/28768
|
||||
2. https://datatracker.ietf.org/doc/html/rfc7231
|
||||
3. https://github.com/python/cpython/issues/91306
|
||||
"""
|
||||
|
||||
http_error_301 = http_error_303 = http_error_307 = http_error_308 = compat_urllib_request.HTTPRedirectHandler.http_error_302
|
||||
# Supply possibly missing alias
|
||||
http_error_308 = compat_urllib_request.HTTPRedirectHandler.http_error_302
|
||||
|
||||
def redirect_request(self, req, fp, code, msg, headers, newurl):
|
||||
"""Return a Request or None in response to a redirect.
|
||||
@ -2962,19 +2963,16 @@ class YoutubeDLRedirectHandler(compat_urllib_request.HTTPRedirectHandler):
|
||||
else should try to handle this url. Return None if you can't
|
||||
but another Handler might.
|
||||
"""
|
||||
m = req.get_method()
|
||||
if (not (code in (301, 302, 303, 307, 308) and m in ("GET", "HEAD")
|
||||
or code in (301, 302, 303) and m == "POST")):
|
||||
raise compat_HTTPError(req.full_url, code, msg, headers, fp)
|
||||
# Strictly (according to RFC 2616), 301 or 302 in response to
|
||||
# a POST MUST NOT cause a redirection without confirmation
|
||||
# from the user (of urllib.request, in this case). In practice,
|
||||
# essentially all clients do redirect in this case, so we do
|
||||
# the same.
|
||||
if code not in (301, 302, 303, 307, 308):
|
||||
raise compat_urllib_HTTPError(req.full_url, code, msg, headers, fp)
|
||||
|
||||
new_method = req.get_method()
|
||||
new_data = req.data
|
||||
remove_headers = []
|
||||
|
||||
# On python 2 urlh.geturl() may sometimes return redirect URL
|
||||
# as byte string instead of unicode. This workaround allows
|
||||
# to force it always return unicode.
|
||||
# as a byte string instead of unicode. This workaround forces
|
||||
# it to return unicode.
|
||||
if sys.version_info[0] < 3:
|
||||
newurl = compat_str(newurl)
|
||||
|
||||
@ -2983,13 +2981,29 @@ class YoutubeDLRedirectHandler(compat_urllib_request.HTTPRedirectHandler):
|
||||
# but it is kept for compatibility with other callers.
|
||||
newurl = newurl.replace(' ', '%20')
|
||||
|
||||
CONTENT_HEADERS = ("content-length", "content-type")
|
||||
# A 303 must either use GET or HEAD for subsequent request
|
||||
# https://datatracker.ietf.org/doc/html/rfc7231#section-6.4.4
|
||||
if code == 303 and req.get_method() != 'HEAD':
|
||||
new_method = 'GET'
|
||||
# 301 and 302 redirects are commonly turned into a GET from a POST
|
||||
# for subsequent requests by browsers, so we'll do the same.
|
||||
# https://datatracker.ietf.org/doc/html/rfc7231#section-6.4.2
|
||||
# https://datatracker.ietf.org/doc/html/rfc7231#section-6.4.3
|
||||
elif code in (301, 302) and req.get_method() == 'POST':
|
||||
new_method = 'GET'
|
||||
|
||||
# only remove payload if method changed (e.g. POST to GET)
|
||||
if new_method != req.get_method():
|
||||
new_data = None
|
||||
remove_headers.extend(['Content-Length', 'Content-Type'])
|
||||
|
||||
# NB: don't use dict comprehension for python 2.6 compatibility
|
||||
newheaders = dict((k, v) for k, v in req.headers.items()
|
||||
if k.lower() not in CONTENT_HEADERS)
|
||||
new_headers = dict((k, v) for k, v in req.header_items()
|
||||
if k.lower() not in remove_headers)
|
||||
|
||||
return compat_urllib_request.Request(
|
||||
newurl, headers=newheaders, origin_req_host=req.origin_req_host,
|
||||
unverifiable=True)
|
||||
newurl, headers=new_headers, origin_req_host=req.origin_req_host,
|
||||
unverifiable=True, method=new_method, data=new_data)
|
||||
|
||||
|
||||
def extract_timezone(date_str):
|
||||
|
||||
Loading…
Reference in New Issue
Block a user