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[youtube] Improve SAPISID cookie handling (closes #393) (#395) 

Author: colethedj
This commit is contained in:
coletdjnz 2021-06-11 09:02:57 +12:00 committed by GitHub
parent 0181adefc6
commit 1974e99f4b
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1 changed files with 13 additions and 3 deletions
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16
yt_dlp/extractor/youtube.py
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@ -301,12 +301,22 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
_YT_INITIAL_BOUNDARY_RE = r'(?:var\s+meta|</script|\n)'
def _generate_sapisidhash_header(self):
sapisid_cookie = self._get_cookies('https://www.youtube.com').get('SAPISID')
# Sometimes SAPISID cookie isn't present but __Secure-3PAPISID is.
# See: https://github.com/yt-dlp/yt-dlp/issues/393
yt_cookies = self._get_cookies('https://www.youtube.com')
sapisid_cookie = dict_get(
yt_cookies, ('__Secure-3PAPISID', 'SAPISID'))
if sapisid_cookie is None:
return
time_now = round(time.time())
sapisidhash = hashlib.sha1((str(time_now) + " " + sapisid_cookie.value + " " + "https://www.youtube.com").encode("utf-8")).hexdigest()
return "SAPISIDHASH %s_%s" % (time_now, sapisidhash)
# SAPISID cookie is required if not already present
if not yt_cookies.get('SAPISID'):
self._set_cookie(
'.youtube.com', 'SAPISID', sapisid_cookie.value, secure=True, expire_time=time_now + 3600)
# SAPISIDHASH algorithm from https://stackoverflow.com/a/32065323
sapisidhash = hashlib.sha1(
f'{time_now} {sapisid_cookie.value} https://www.youtube.com'.encode('utf-8')).hexdigest()
return f'SAPISIDHASH {time_now}_{sapisidhash}'
def _call_api(self, ep, query, video_id, fatal=True, headers=None,
note='Downloading API JSON', errnote='Unable to download API page',