98 lines
2.4 KiB
Python
98 lines
2.4 KiB
Python
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"""Security utilities for authentication and authorization."""
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from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from app.infra.config import get_settings
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settings = get_settings()
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# Password hashing context
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def hash_password(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: Plain text password
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Returns:
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Hashed password
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"""
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return pwd_context.hash(password)
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""
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Verify a password against its hash.
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Args:
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plain_password: Plain text password
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hashed_password: Hashed password to verify 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 create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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"""
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Create a JWT access token.
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Args:
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data: Data 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
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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(seconds=settings.jwt_access_ttl_seconds)
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to_encode.update({"exp": expire, "type": "access"})
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encoded_jwt = jwt.encode(to_encode, settings.jwt_secret, algorithm=settings.jwt_algorithm)
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return encoded_jwt
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def create_refresh_token(data: dict) -> str:
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"""
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Create a JWT refresh token.
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Args:
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data: Data to encode in the token
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Returns:
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Encoded JWT token
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"""
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to_encode = data.copy()
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expire = datetime.utcnow() + timedelta(seconds=settings.jwt_refresh_ttl_seconds)
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to_encode.update({"exp": expire, "type": "refresh"})
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encoded_jwt = jwt.encode(to_encode, settings.jwt_secret, algorithm=settings.jwt_algorithm)
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return encoded_jwt
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def decode_token(token: str) -> Optional[dict]:
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"""
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Decode and verify a JWT token.
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Args:
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token: JWT token to decode
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Returns:
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Decoded token payload or None if invalid
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"""
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try:
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payload = jwt.decode(token, settings.jwt_secret, algorithms=[settings.jwt_algorithm])
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return payload
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except JWTError:
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return None
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