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https://github.com/yt-dlp/yt-dlp.git
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de015e9307
The shell escape function is now using `""` instead of `\"`. `utils.Popen` has been patched to properly quote commands. Prior to this fix using `--exec` together with `%q` when on Windows could cause remote code to execute. See https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-42h4-v29r-42qg for reference. Authored by: Grub4K
79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
import os
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import sys
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import xml.etree.ElementTree as etree
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from .compat_utils import passthrough_module
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passthrough_module(__name__, '._deprecated')
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del passthrough_module
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# HTMLParseError has been deprecated in Python 3.3 and removed in
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# Python 3.5. Introducing dummy exception for Python >3.5 for compatible
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# and uniform cross-version exception handling
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class compat_HTMLParseError(ValueError):
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pass
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class _TreeBuilder(etree.TreeBuilder):
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def doctype(self, name, pubid, system):
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pass
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def compat_etree_fromstring(text):
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return etree.XML(text, parser=etree.XMLParser(target=_TreeBuilder()))
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compat_os_name = os._name if os.name == 'java' else os.name
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if compat_os_name == 'nt':
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def compat_shlex_quote(s):
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import re
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return s if re.match(r'^[-_\w./]+$', s) else s.replace('"', '""').join('""')
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else:
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from shlex import quote as compat_shlex_quote # noqa: F401
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def compat_ord(c):
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return c if isinstance(c, int) else ord(c)
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if compat_os_name == 'nt' and sys.version_info < (3, 8):
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# os.path.realpath on Windows does not follow symbolic links
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# prior to Python 3.8 (see https://bugs.python.org/issue9949)
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def compat_realpath(path):
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while os.path.islink(path):
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path = os.path.abspath(os.readlink(path))
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return os.path.realpath(path)
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else:
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compat_realpath = os.path.realpath
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# Python 3.8+ does not honor %HOME% on windows, but this breaks compatibility with youtube-dl
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# See https://github.com/yt-dlp/yt-dlp/issues/792
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# https://docs.python.org/3/library/os.path.html#os.path.expanduser
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if compat_os_name in ('nt', 'ce'):
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def compat_expanduser(path):
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HOME = os.environ.get('HOME')
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if not HOME:
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return os.path.expanduser(path)
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elif not path.startswith('~'):
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return path
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i = path.replace('\\', '/', 1).find('/') # ~user
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if i < 0:
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i = len(path)
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userhome = os.path.join(os.path.dirname(HOME), path[1:i]) if i > 1 else HOME
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return userhome + path[i:]
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else:
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compat_expanduser = os.path.expanduser
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def urllib_req_to_req(urllib_request):
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"""Convert urllib Request to a networking Request"""
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from ..networking import Request
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from ..utils.networking import HTTPHeaderDict
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return Request(
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urllib_request.get_full_url(), data=urllib_request.data, method=urllib_request.get_method(),
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headers=HTTPHeaderDict(urllib_request.headers, urllib_request.unredirected_hdrs),
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extensions={'timeout': urllib_request.timeout} if hasattr(urllib_request, 'timeout') else None)
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