37 lines
811 B
Python
37 lines
811 B
Python
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import zlib
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import sys
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import json
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from itsdangerous import base64_decode
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def decode(cookie):
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"""
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Decode a Flask cookie
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https://www.kirsle.net/wizards/flask-session.cgi
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"""
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try:
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compressed = False
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payload = cookie
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if payload.startswith('.'):
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compressed = True
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payload = payload[1:]
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data = payload.split(".")[0]
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data = base64_decode(data)
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if compressed:
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data = zlib.decompress(data)
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return data.decode("utf-8")
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except Exception as e:
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return f"[Decoding error: are you sure this was a Flask session cookie? {e}]"
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cookie = sys.argv[1]
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data = decode(cookie)
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json_data = json.loads(data)
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pretty = json.dumps(json_data, sort_keys=True, indent=4, separators=(",", ": "))
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print(pretty)
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