2022-11-23 17:09:35 +03:00
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from datetime import datetime, timezone
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2021-06-28 12:08:09 +03:00
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import jwt
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2022-11-01 00:17:00 +03:00
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from base.exceptions import ExpiredToken, InvalidToken
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2022-11-01 00:25:25 +03:00
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from validations.auth import TokenPayload, AuthInput
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2021-06-28 12:08:09 +03:00
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from settings import JWT_ALGORITHM, JWT_SECRET_KEY
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2022-07-21 14:58:50 +03:00
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class JWTCodec:
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2022-09-03 13:50:14 +03:00
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@staticmethod
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2022-11-01 00:25:25 +03:00
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def encode(user: AuthInput, exp: datetime) -> str:
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2022-09-03 13:50:14 +03:00
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payload = {
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2022-11-01 00:25:25 +03:00
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"user_id": user.id,
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"username": user.email or user.phone,
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2022-11-23 17:09:35 +03:00
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"exp": exp,
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2022-11-24 17:31:52 +03:00
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"iat": datetime.now(tz=timezone.utc),
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2022-11-01 00:05:10 +03:00
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"iss": "discours"
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2022-09-03 13:50:14 +03:00
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}
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2022-10-23 12:33:28 +03:00
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try:
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2022-10-31 21:38:41 +03:00
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return jwt.encode(payload, JWT_SECRET_KEY, JWT_ALGORITHM)
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2022-10-23 12:33:28 +03:00
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except Exception as e:
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2022-11-23 14:56:09 +03:00
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print('[auth.jwtcodec] JWT encode error %r' % e)
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2021-06-28 12:08:09 +03:00
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2022-09-03 13:50:14 +03:00
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@staticmethod
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2022-09-17 21:12:14 +03:00
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def decode(token: str, verify_exp: bool = True) -> TokenPayload:
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2023-01-31 09:57:35 +03:00
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r = None
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2023-02-20 19:09:55 +03:00
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payload = None
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2022-10-23 12:33:28 +03:00
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try:
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payload = jwt.decode(
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token,
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key=JWT_SECRET_KEY,
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2022-10-31 22:53:48 +03:00
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options={
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"verify_exp": verify_exp,
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2022-11-01 00:05:10 +03:00
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# "verify_signature": False
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2022-10-31 22:53:48 +03:00
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},
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2022-10-23 12:33:28 +03:00
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algorithms=[JWT_ALGORITHM],
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2022-11-01 00:05:10 +03:00
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issuer="discours"
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2022-10-23 12:33:28 +03:00
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)
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2022-10-31 21:38:41 +03:00
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r = TokenPayload(**payload)
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2023-01-31 09:57:35 +03:00
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print('[auth.jwtcodec] debug token %r' % r)
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2022-10-31 21:38:41 +03:00
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return r
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2022-11-14 00:38:06 +01:00
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except jwt.InvalidIssuedAtError:
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2023-01-31 09:57:35 +03:00
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print('[auth.jwtcodec] invalid issued at: %r' % payload)
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2022-11-14 00:38:06 +01:00
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raise ExpiredToken('check token issued time')
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2022-11-01 00:05:10 +03:00
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except jwt.ExpiredSignatureError:
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2023-01-31 09:57:35 +03:00
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print('[auth.jwtcodec] expired signature %r' % payload)
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2022-11-01 00:17:00 +03:00
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raise ExpiredToken('check token lifetime')
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except jwt.InvalidTokenError:
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raise InvalidToken('token is not valid')
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except jwt.InvalidSignatureError:
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raise InvalidToken('token is not valid')
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