Implementazione open-source del protocollo di Strong Customer Authentication di Poste Italiane, (https://posteid.poste.it), lato client.
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25 lines
658 B
25 lines
658 B
import hmac
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import json
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from base64 import b64encode, urlsafe_b64encode
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from hashlib import sha256
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def sha256_base64(payload):
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out = payload.encode('utf-8')
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out = sha256(out).digest()
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out = b64encode(out)
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return out.decode('utf-8')
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def hmac_sha256(key, message):
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hm = hmac.new(key.encode('utf-8'), digestmod=sha256)
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hm.update(message.encode('utf-8'))
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digest = hm.digest()
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return urlsafe_b64encode(digest).decode('utf-8').replace('=', '')
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class RequestFailure(Exception):
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def __init__(self, message, ans, error_code=None):
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super().__init__(message)
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self.ans = ans
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self.error_code = error_code
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