更新

backend/auth/jwt_utils.py

@@ -0,0 +1,24 @@
+import os
+from datetime import datetime, timedelta
+from typing import Any, Optional
+
+from jose import JWTError, jwt
+
+SECRET_KEY = os.getenv("KEFU_SECRET_KEY", "kefu-dev-secret-change-in-production")
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = int(os.getenv("KEFU_TOKEN_EXPIRE_MINUTES", str(60 * 24)))
+
+
+def create_access_token(subject: str, extra: Optional[dict[str, Any]] = None) -> str:
+    expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+    payload = {"sub": subject, "exp": expire}
+    if extra:
+        payload.update(extra)
+    return jwt.encode(payload, SECRET_KEY, algorithm=ALGORITHM)
+
+
+def decode_access_token(token: str) -> Optional[dict[str, Any]]:
+    try:
+        return jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+    except JWTError:
+        return None