58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
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"""
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Shared JWT Authentication Handler
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Used across all microservices for consistent authentication
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"""
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import jwt
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from datetime import datetime, timedelta
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from typing import Optional, Dict, Any
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import logging
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logger = logging.getLogger(__name__)
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class JWTHandler:
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"""JWT token handling for microservices"""
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def __init__(self, secret_key: str, algorithm: str = "HS256"):
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self.secret_key = secret_key
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self.algorithm = algorithm
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def create_access_token(self, data: Dict[str, Any], expires_delta: Optional[timedelta] = None) -> str:
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"""Create JWT access token"""
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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(minutes=30)
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to_encode.update({"exp": expire, "type": "access"})
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encoded_jwt = jwt.encode(to_encode, self.secret_key, algorithm=self.algorithm)
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return encoded_jwt
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def create_refresh_token(self, data: Dict[str, Any], expires_delta: Optional[timedelta] = None) -> str:
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"""Create JWT refresh token"""
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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(days=7)
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to_encode.update({"exp": expire, "type": "refresh"})
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encoded_jwt = jwt.encode(to_encode, self.secret_key, algorithm=self.algorithm)
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return encoded_jwt
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def verify_token(self, token: str) -> Optional[Dict[str, Any]]:
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"""Verify and decode JWT token"""
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try:
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payload = jwt.decode(token, self.secret_key, algorithms=[self.algorithm])
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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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