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[ie] Do not smuggle http_headers

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See: https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-3ch3-jhc6-5r8x

Authored by: coletdjnz
This commit is contained in:
bashonly
2023-08-16 18:42:48 -05:00
committed by Simon Sawicki
parent d4f14a72dc
commit f04b5bedad
9 changed files with 19 additions and 15 deletions
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11
yt_dlp/extractor/generic.py
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@@ -17,6 +17,7 @@ from ..utils import (
determine_protocol,
dict_get,
extract_basic_auth,
filter_dict,
format_field,
int_or_none,
is_html,
@@ -2435,10 +2436,10 @@ class GenericIE(InfoExtractor):
# to accept raw bytes and being able to download only a chunk.
# It may probably better to solve this by checking Content-Type for application/octet-stream
# after a HEAD request, but not sure if we can rely on this.
full_response = self._request_webpage(url, video_id, headers={
full_response = self._request_webpage(url, video_id, headers=filter_dict({
'Accept-Encoding': 'identity',
**smuggled_data.get('http_headers', {})
})
'Referer': smuggled_data.get('referer'),
}))
new_url = full_response.url
url = urllib.parse.urlparse(url)._replace(scheme=urllib.parse.urlparse(new_url).scheme).geturl()
if new_url != extract_basic_auth(url)[0]:
@@ -2458,7 +2459,7 @@ class GenericIE(InfoExtractor):
m = re.match(r'^(?P<type>audio|video|application(?=/(?:ogg$|(?:vnd\.apple\.|x-)?mpegurl)))/(?P<format_id>[^;\s]+)', content_type)
if m:
self.report_detected('direct video link')
headers = smuggled_data.get('http_headers', {})
headers = filter_dict({'Referer': smuggled_data.get('referer')})
format_id = str(m.group('format_id'))
ext = determine_ext(url, default_ext=None) or urlhandle_detect_ext(full_response)
subtitles = {}
@@ -2710,7 +2711,7 @@ class GenericIE(InfoExtractor):
'url': smuggle_url(json_ld['url'], {
'force_videoid': video_id,
'to_generic': True,
'http_headers': {'Referer': url},
'referer': url,
}),
}, json_ld)]