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[ie] Detect invalid m3u8 playlist data (#13601)

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Authored by: Grub4K
This commit is contained in:
Simon Sawicki
2025-07-02 00:32:32 +02:00
committed by GitHub
parent c2ff2dbaec
commit e99c0b838a
2 changed files with 75 additions and 10 deletions
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33
yt_dlp/extractor/common.py
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@@ -1,5 +1,6 @@
import base64
import collections
import contextlib
import functools
import getpass
import http.client
@@ -2129,21 +2130,33 @@ class InfoExtractor:
raise ExtractorError(errnote, video_id=video_id)
self.report_warning(f'{errnote}{bug_reports_message()}')
return [], {}
res = self._download_webpage_handle(
m3u8_url, video_id,
note='Downloading m3u8 information' if note is None else note,
errnote='Failed to download m3u8 information' if errnote is None else errnote,
if note is None:
note = 'Downloading m3u8 information'
if errnote is None:
errnote = 'Failed to download m3u8 information'
response = self._request_webpage(
m3u8_url, video_id, note=note, errnote=errnote,
fatal=fatal, data=data, headers=headers, query=query)
if res is False:
if response is False:
return [], {}
m3u8_doc, urlh = res
m3u8_url = urlh.url
with contextlib.closing(response):
prefix = response.read(512)
if not prefix.startswith(b'#EXTM3U'):
msg = 'Response data has no m3u header'
if fatal:
raise ExtractorError(msg, video_id=video_id)
self.report_warning(f'{msg}{bug_reports_message()}', video_id=video_id)
return [], {}
content = self._webpage_read_content(
response, m3u8_url, video_id, note=note, errnote=errnote,
fatal=fatal, prefix=prefix, data=data)
if content is False:
return [], {}
return self._parse_m3u8_formats_and_subtitles(
m3u8_doc, m3u8_url, ext=ext, entry_protocol=entry_protocol,
content, response.url, ext=ext, entry_protocol=entry_protocol,
preference=preference, quality=quality, m3u8_id=m3u8_id,
note=note, errnote=errnote, fatal=fatal, live=live, data=data,
headers=headers, query=query, video_id=video_id)