61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
from datetime import datetime, timezone
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import jwt
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from pydantic import BaseModel
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from auth.exceptions import ExpiredToken, InvalidToken
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from settings import JWT_ALGORITHM, JWT_SECRET_KEY
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class TokenPayload(BaseModel):
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user_id: str
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username: str
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exp: datetime
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iat: datetime
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iss: str
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class JWTCodec:
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@staticmethod
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def encode(user, exp: datetime) -> str:
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payload = {
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"user_id": user.id,
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"username": user.email or user.phone,
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"exp": exp,
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"iat": datetime.now(tz=timezone.utc),
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"iss": "discours",
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}
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try:
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return jwt.encode(payload, JWT_SECRET_KEY, JWT_ALGORITHM)
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except Exception as e:
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print("[auth.jwtcodec] JWT encode error %r" % e)
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@staticmethod
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def decode(token: str, verify_exp: bool = True):
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r = None
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payload = None
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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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options={
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"verify_exp": verify_exp,
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# "verify_signature": False
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},
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algorithms=[JWT_ALGORITHM],
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issuer="discours",
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)
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r = TokenPayload(**payload)
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# print('[auth.jwtcodec] debug token %r' % r)
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return r
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except jwt.InvalidIssuedAtError:
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print("[auth.jwtcodec] invalid issued at: %r" % payload)
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raise ExpiredToken("check token issued time")
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except jwt.ExpiredSignatureError:
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print("[auth.jwtcodec] expired signature %r" % payload)
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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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