62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
from passlib.context import CryptContext
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from settings import settings
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import jwt
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import datetime
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import logging
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password_context = CryptContext(schemes=["sha256_crypt"], deprecated="auto")
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logger = logging.getLogger(__name__)
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def hash_password(password: str) -> str:
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"""Hashes a plain text password."""
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return password_context.hash(password)
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""Verifies a plain text password against a hashed password."""
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return password_context.verify(plain_password, hashed_password)
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def sign_jwt(row: dict) -> str:
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"""Signs a JWT token with the given payload."""
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exp = datetime.datetime.now(
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datetime.timezone.utc) + datetime.timedelta(hours=1)
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payload = {
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"id": row["id"],
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"exp": exp
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}
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return jwt.encode(
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payload,
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key=settings.jwt_secret,
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algorithm=settings.jwt_algorithm
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)
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def decode_jwt(token: str | None) -> dict | None:
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"""Decodes a JWT token and returns the payload."""
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if not token or not token.startswith("Bearer "):
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logger.warning(
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"No token provided or token does not start with 'Bearer '")
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return None
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try:
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payload = jwt.decode(
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token.replace("Bearer ", ""),
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key=settings.jwt_secret,
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algorithms=[settings.jwt_algorithm]
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)
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return payload
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except jwt.ExpiredSignatureError:
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logger.warning("Token has expired")
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return None
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except jwt.InvalidTokenError:
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logger.warning("Invalid token")
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return None
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logger.warning("Unexpected error in token decoding")
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return None
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