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[utils] Enable ALPN in HTTPS to satisfy broken servers
See https://github.com/yt-dlp/yt-dlp/issues/3878
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parent
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@ -2292,12 +2292,30 @@ def formatSeconds(secs):
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def make_HTTPS_handler(params, **kwargs):
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# https://www.rfc-editor.org/info/rfc7301
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ALPN_PROTOCOLS = ['http/1.1']
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def set_alpn_protocols(ctx):
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# From https://github.com/yt-dlp/yt-dlp/commit/2c6dcb65fb612fc5bc5c61937bf438d3c473d8d0
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# Thanks @coletdjnz
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# Some servers may (wrongly) reject requests if ALPN extension is not sent. See:
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# https://github.com/python/cpython/issues/85140
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# https://github.com/yt-dlp/yt-dlp/issues/3878
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try:
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ctx.set_alpn_protocols(ALPN_PROTOCOLS)
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except (AttributeError, NotImplementedError):
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# Python < 2.7.10, not ssl.HAS_ALPN
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pass
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opts_no_check_certificate = params.get('nocheckcertificate', False)
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if hasattr(ssl, 'create_default_context'): # Python >= 3.4 or 2.7.9
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context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
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set_alpn_protocols(context)
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if opts_no_check_certificate:
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context.check_hostname = False
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context.verify_mode = ssl.CERT_NONE
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try:
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return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
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except TypeError:
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@ -2313,6 +2331,7 @@ def make_HTTPS_handler(params, **kwargs):
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if opts_no_check_certificate
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else ssl.CERT_REQUIRED)
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context.set_default_verify_paths()
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set_alpn_protocols(context)
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return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
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