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[utils] Move base62 to utils
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@ -18,6 +18,7 @@
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compat_urllib_parse_urlparse,
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)
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from ..utils import (
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base62,
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ExtractorError,
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ohdave_rsa_encrypt,
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remove_start,
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@ -126,21 +127,9 @@ def split_time_ip_sum(self):
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class IqiyiSDKInterpreter(object):
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BASE62_TABLE = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
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def __init__(self, sdk_code):
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self.sdk_code = sdk_code
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@classmethod
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def base62(cls, num):
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if num == 0:
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return '0'
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ret = ''
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while num:
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ret = cls.BASE62_TABLE[num % 62] + ret
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num = num // 62
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return ret
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def decode_eval_codes(self):
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self.sdk_code = self.sdk_code[5:-3]
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@ -154,7 +143,7 @@ def decode_eval_codes(self):
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while count:
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count -= 1
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b62count = self.base62(count)
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b62count = base62(count)
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symbol_table[b62count] = symbols[count] or b62count
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self.sdk_code = re.sub(
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@ -2619,3 +2619,17 @@ def ohdave_rsa_encrypt(data, exponent, modulus):
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payload = int(binascii.hexlify(data[::-1]), 16)
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encrypted = pow(payload, exponent, modulus)
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return '%x' % encrypted
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def base_n(num, n, table):
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if num == 0:
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return '0'
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ret = ''
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while num:
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ret = table[num % n] + ret
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num = num // n
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return ret
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def base62(num):
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return base_n(num, 62, '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')
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