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[utils] Send HTTP/1.1 ALPN extension (#3889)

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Some servers may reject requests if not sent (e.g. fingerprinting)

Fixes #3878

Authored by: coletdjnz
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coletdev 2022-05-28 15:46:36 +12:00 committed by GitHub
parent 520876fa09
commit 2c6dcb65fb
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1 changed files with 7 additions and 0 deletions
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7
yt_dlp/utils.py
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@ -948,6 +948,13 @@ def make_HTTPS_handler(params, **kwargs):
password=params.get('client_certificate_password'))
except ssl.SSLError:
raise YoutubeDLError('Unable to load client certificate')
# Some servers may 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
with contextlib.suppress(NotImplementedError):
context.set_alpn_protocols(['http/1.1'])
return YoutubeDLHTTPSHandler(params, context=context, **kwargs)