first commit

app/utils/jwt_handler.py

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+from datetime import datetime, timedelta
+from typing import Optional
+from jose import JWTError, jwt
+from app.config import settings
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
+    """JWT Access Token 생성"""
+    to_encode = data.copy()
+    
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=settings.JWT_ACCESS_TOKEN_EXPIRE_MINUTES)
+    
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
+    return encoded_jwt
+
+def create_refresh_token(data: dict) -> str:
+    """JWT Refresh Token 생성"""
+    to_encode = data.copy()
+    expire = datetime.utcnow() + timedelta(days=settings.JWT_REFRESH_TOKEN_EXPIRE_DAYS)
+    to_encode.update({"exp": expire, "type": "refresh"})
+    encoded_jwt = jwt.encode(to_encode, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
+    return encoded_jwt
+
+def decode_token(token: str) -> Optional[dict]:
+    """JWT 토큰 디코드"""
+    try:
+        payload = jwt.decode(token, settings.JWT_SECRET_KEY, algorithms=[settings.JWT_ALGORITHM])
+        return payload
+    except JWTError:
+        return None
+
+def verify_token(token: str) -> bool:
+    """토큰 유효성 검증"""
+    payload = decode_token(token)
+    return payload is not None