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https://github.com/hypervortex/VH-Bombsquad-Modded-Server-Files
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39 lines
921 B
Python
39 lines
921 B
Python
import base64
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import binascii
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def b64urldecode(data):
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"""Decodes an unpadded Base64url-encoded string.
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:param data: data bytes to decode
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:type data: bytes
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:returns bytes
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"""
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return base64.urlsafe_b64decode(data + b"===="[len(data) % 4:])
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def b64urlencode(data):
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"""Encode a byte string into a Base64url-encoded string without padding
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:param data: data bytes to encode
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:type data: bytes
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:returns str
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"""
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return base64.urlsafe_b64encode(data).replace(b'=', b'').decode('utf8')
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def num_to_bytes(n, pad_to):
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"""Returns the byte representation of an integer, in big-endian order.
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:param n: The integer to encode.
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:type n: int
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:param pad_to: Expected length of result, zeropad if necessary.
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:type pad_to: int
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:returns bytes
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"""
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h = '%x' % n
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r = binascii.unhexlify('0' * (len(h) % 2) + h)
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return b'\x00' * (pad_to - len(r)) + r
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