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[youtube] fix dynamic crypto

merge-requests/5/head
Laura Liberda 2021-02-23 14:01:39 +01:00
parent 5f6c836641
commit 84c08079bd
1 changed files with 5 additions and 4 deletions
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9
haruhi_dl/extractor/youtube.py
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@ -987,14 +987,14 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
if not shit_parser:
raise ExtractorError('Signature decryption code not found')
func, obfuscated_name = shit_parser.group(1, 2)
obfuscated_func = re.search(r'%s\s*=\s*{([\s\w(){}[\].,:;=%s]*?})};' % (re.escape(obfuscated_name), '%'),
obfuscated_func = re.search(r'%s\s*=\s*{([\s\w(){}[\].,:;=%s"\']*?})};' % (re.escape(obfuscated_name), '%'),
js_player)
if not obfuscated_func:
raise ExtractorError('Signature decrypting deobfuscated functions not found')
obfuscated_stack = obfuscated_func.group(1)
obf_map = {}
for obffun in re.finditer(r'([a-zA-Z_][a-zA-Z\d_]+):function\(a(?:,b)?\){(.*?)}', obfuscated_stack):
obfname, obfval = obffun.group(1, 2)
for obffun in re.finditer(r'(?P<kp>["\'`]?)([a-zA-Z_][a-zA-Z\d_]+)(?P=kp):function\(a(?:,b)?\){(.*?)}', obfuscated_stack):
obfname, obfval = obffun.group(2, 3)
if 'splice' in obfval:
obf_map[obfname] = 'splice'
elif 'reverse' in obfval:
@ -1002,9 +1002,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
elif 'var' in obfval and 'length' in obfval:
obf_map[obfname] = 'mess'
else:
self.to_screen(obfval)
raise ExtractorError('Unknown obfuscation function type: %s.%s' % (obfuscated_name, obfname))
decryptor_stack = []
for instruction in re.finditer(r'%s\.([a-zA-Z_][a-zA-Z\d_]+)\(a,(\d+)\);?' % re.escape(obfuscated_name),
for instruction in re.finditer(r'%s(?:\.|\[["\'`])([a-zA-Z_][a-zA-Z\d_]+)(?:["\'`]\])?\(a,(\d+)\);?' % re.escape(obfuscated_name),
func):
obf_name, obf_arg = instruction.group(1, 2)
inst = obf_map.get(obf_name)