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authordirkf <fieldhouse@gmx.net>2023-06-07 14:51:50 +0100
committerdirkf <fieldhouse@gmx.net>2023-07-18 10:50:46 +0100
commit46fde7caeeab13a6277aab22a0e8a29e10c30cc3 (patch)
treef4744405e643df24ef573852d55e1635092ffa0c /test
parent648dc5304cb2476592ff142988b8c62675011fcc (diff)
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[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`
Diffstat (limited to 'test')
-rw-r--r--test/test_http.py489
1 files changed, 440 insertions, 49 deletions
diff --git a/test/test_http.py b/test/test_http.py
index 487a9bc77..1a65df9e0 100644
--- a/test/test_http.py
+++ b/test/test_http.py
@@ -8,33 +8,160 @@ import sys
 import unittest
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
+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,
+    urlencode_postdata,
+)
+
 from test.helper import (
+    FakeYDL,
     FakeLogger,
     http_server_port,
 )
 from youtube_dl import YoutubeDL
-from youtube_dl.compat import compat_http_server, compat_urllib_request
-import ssl
-import threading
 
 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):
-        if self.path == '/video.html':
-            self.send_response(200)
-            self.send_header('Content-Type', 'text/html; charset=utf-8')
+
+        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(b'<html><video src="/vid.mp4" /></html>')
+            self.wfile.write(payload)
+
+        def gzip_compress(p):
+            buf = io.BytesIO()
+            with 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':
-            self.send_response(200)
-            self.send_header('Content-Type', 'video/mp4')
-            self.end_headers()
-            self.wfile.write(b'\x00\x00\x00\x00\x20\x66\x74[video]')
+            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
@@ -42,60 +169,284 @@ class HTTPTestRequestHandler(compat_http_server.BaseHTTPRequestHandler):
                 self.end_headers()
                 return
 
-            new_url = 'http://127.0.0.1:%d/中文.html' % http_server_port(self.server)
+            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':
-            self.send_response(200)
-            self.send_header('Content-Type', 'text/html; charset=utf-8')
+            respond()
+        elif self.path == '/%c7%9f':
+            respond()
+        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 == '/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()
-            self.wfile.write(b'<html><video src="/vid.mp4" /></html>')
+        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:
-            assert False
+            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):
     def setUp(self):
-        self.httpd = compat_http_server.HTTPServer(
+        # HTTP server
+        self.http_httpd = compat_http_server.HTTPServer(
             ('127.0.0.1', 0), HTTPTestRequestHandler)
-        self.port = http_server_port(self.httpd)
-        self.server_thread = threading.Thread(target=self.httpd.serve_forever)
-        self.server_thread.daemon = True
-        self.server_thread.start()
+        self.http_port = http_server_port(self.http_httpd)
 
-    def test_unicode_path_redirection(self):
-        # XXX: Python 3 http server does not allow non-ASCII header values
-        if sys.version_info[0] == 3:
-            return
+        self.http_server_thread = threading.Thread(target=self.http_httpd.serve_forever)
+        self.http_server_thread.daemon = True
+        self.http_server_thread.start()
 
-        ydl = YoutubeDL({'logger': FakeLogger()})
-        r = ydl.extract_info('http://127.0.0.1:%d/302' % self.port)
-        self.assertEqual(r['entries'][0]['url'], 'http://127.0.0.1:%d/vid.mp4' % self.port)
+        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
 
-class TestHTTPS(unittest.TestCase):
-    def setUp(self):
+        # HTTPS server
         certfn = os.path.join(TEST_DIR, 'testcert.pem')
-        self.httpd = compat_http_server.HTTPServer(
+        self.https_httpd = ThreadingHTTPServer(
             ('127.0.0.1', 0), HTTPTestRequestHandler)
-        self.httpd.socket = ssl.wrap_socket(
-            self.httpd.socket, certfile=certfn, server_side=True)
-        self.port = http_server_port(self.httpd)
-        self.server_thread = threading.Thread(target=self.httpd.serve_forever)
-        self.server_thread.daemon = True
-        self.server_thread.start()
+        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)
 
     def test_nocheckcertificate(self):
-        if sys.version_info >= (2, 7, 9):  # No certificate checking anyways
-            ydl = YoutubeDL({'logger': FakeLogger()})
-            self.assertRaises(
-                Exception,
-                ydl.extract_info, 'https://127.0.0.1:%d/video.html' % self.port)
+        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'))
 
-        ydl = YoutubeDL({'logger': FakeLogger(), 'nocheckcertificate': True})
-        r = ydl.extract_info('https://127.0.0.1:%d/video.html' % self.port)
-        self.assertEqual(r['entries'][0]['url'], 'https://127.0.0.1:%d/vid.mp4' % self.port)
+            # 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')
+
+    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_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()
+            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()