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authentik/passbook/providers/saml/utils/encoding.py

25 lines
818 B
Python

"""Wrappers to de/encode and de/inflate strings"""
import base64
import zlib
def decode_base64_and_inflate(encoded: str, encoding="utf-8") -> str:
"""Base64 decode and ZLib decompress b64string"""
decoded_data = base64.b64decode(encoded)
try:
return zlib.decompress(decoded_data, -15).decode(encoding)
except zlib.error:
return decoded_data.decode(encoding)
def deflate_and_base64_encode(inflated: str, encoding="utf-8"):
"""Base64 and ZLib Compress b64string"""
zlibbed_str = zlib.compress(inflated.encode())
compressed_string = zlibbed_str[2:-4]
return base64.b64encode(compressed_string).decode(encoding)
def nice64(src):
"""Returns src base64-encoded and formatted nicely for our XML. """
return base64.b64encode(src).decode("utf-8").replace("\n", "")