95 lines
2.1 KiB
Python
95 lines
2.1 KiB
Python
"""Security utilities for authentication and authorization."""
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from datetime import datetime, timedelta
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from typing import Optional, Dict, Any
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from app.config import settings
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# Password hashing context
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""
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Verify a plain password against a hashed password.
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Args:
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plain_password: The plain text password
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hashed_password: The hashed password to compare against
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Returns:
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True if password matches, False otherwise
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"""
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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"""
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Hash a password using bcrypt.
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Args:
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password: The plain text password to hash
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Returns:
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The hashed password
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"""
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return pwd_context.hash(password)
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def create_access_token(
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data: Dict[str, Any],
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expires_delta: Optional[timedelta] = None
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) -> str:
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"""
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Create a JWT access token.
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Args:
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data: Dictionary containing claims to encode in the token
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expires_delta: Optional expiration time delta
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Returns:
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Encoded JWT token string
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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_access_token(token: str) -> Dict[str, Any]:
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"""
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Decode and validate a JWT access token.
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Args:
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token: The JWT token string to decode
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Returns:
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Dictionary containing the decoded token payload
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Raises:
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JWTError: If token is invalid or expired
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"""
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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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