76 lines
1.7 KiB
Python
76 lines
1.7 KiB
Python
"""
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Security utilities for password hashing and JWT token management.
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"""
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from datetime import (
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datetime,
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timedelta,
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)
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import bcrypt
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from jose import JWTError, jwt
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from config import settings
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def hash_password(password: str) -> str:
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"""
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Hash a plain text password using bcrypt
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"""
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password_bytes = password.encode("utf-8")
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salt = bcrypt.gensalt()
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hashed = bcrypt.hashpw(password_bytes, salt)
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return hashed.decode("utf-8")
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def verify_password(
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plain_password: str,
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hashed_password: str
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) -> bool:
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"""
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Verify a plain text password against a hashed password
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"""
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password_bytes = plain_password.encode("utf-8")
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hashed_bytes = hashed_password.encode("utf-8")
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return bcrypt.checkpw(password_bytes, hashed_bytes)
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def create_access_token(
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data: dict[str,
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str],
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expires_delta: timedelta | None = None
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) -> str:
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"""
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Create a JWT access token
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"""
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(
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minutes = settings.ACCESS_TOKEN_EXPIRE_MINUTES
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)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(
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to_encode,
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settings.SECRET_KEY,
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algorithm = settings.ALGORITHM
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)
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return encoded_jwt
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def decode_token(token: str) -> dict[str, str]:
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"""
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Decode and verify a JWT token
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"""
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try:
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payload = jwt.decode(
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token,
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settings.SECRET_KEY,
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algorithms = [settings.ALGORITHM]
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)
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return payload
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except JWTError as e:
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raise ValueError(f"Invalid token: {str(e)}") from e
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