diff options
Diffstat (limited to 'youtube_dl/utils.py')
| -rw-r--r-- | youtube_dl/utils.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index e722eed58..4ff27db3d 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -2292,12 +2292,30 @@ def formatSeconds(secs): def make_HTTPS_handler(params, **kwargs): + + # https://www.rfc-editor.org/info/rfc7301 + ALPN_PROTOCOLS = ['http/1.1'] + + def set_alpn_protocols(ctx): + # From https://github.com/yt-dlp/yt-dlp/commit/2c6dcb65fb612fc5bc5c61937bf438d3c473d8d0 + # Thanks @coletdjnz + # Some servers may (wrongly) reject requests if ALPN extension is not sent. See: + # https://github.com/python/cpython/issues/85140 + # https://github.com/yt-dlp/yt-dlp/issues/3878 + try: + ctx.set_alpn_protocols(ALPN_PROTOCOLS) + except (AttributeError, NotImplementedError): + # Python < 2.7.10, not ssl.HAS_ALPN + pass + opts_no_check_certificate = params.get('nocheckcertificate', False) if hasattr(ssl, 'create_default_context'): # Python >= 3.4 or 2.7.9 context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH) + set_alpn_protocols(context) if opts_no_check_certificate: context.check_hostname = False context.verify_mode = ssl.CERT_NONE + try: return YoutubeDLHTTPSHandler(params, context=context, **kwargs) except TypeError: @@ -2313,6 +2331,7 @@ def make_HTTPS_handler(params, **kwargs): if opts_no_check_certificate else ssl.CERT_REQUIRED) context.set_default_verify_paths() + set_alpn_protocols(context) return YoutubeDLHTTPSHandler(params, context=context, **kwargs) |