Update 2026-05-13 16:43:53

dataclaw-api/app/core/security.py

@@ -0,0 +1,56 @@
+from datetime import datetime, timedelta
+from typing import Optional
+from jose import jwt, JWTError
+from passlib.context import CryptContext
+from fastapi import HTTPException, Depends, status
+from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
+from pydantic import BaseModel
+
+SECRET_KEY = "your-super-secret-key-for-dataclaw"  # In production, use env variable
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 30 * 24 * 60  # 30 days
+
+pwd_context = CryptContext(schemes=["pbkdf2_sha256"], deprecated="auto")
+security = HTTPBearer()
+
+class CurrentUser(BaseModel):
+    id: int
+    username: str
+    is_admin: bool = False
+
+def verify_password(plain_password, hashed_password):
+    return pwd_context.verify(plain_password, hashed_password)
+
+def get_password_hash(password):
+    return pwd_context.hash(password)
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=15)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+def get_current_user(credentials: HTTPAuthorizationCredentials = Depends(security)) -> CurrentUser:
+    unauthorized = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Invalid authentication credentials",
+    )
+    try:
+        payload = jwt.decode(credentials.credentials, SECRET_KEY, algorithms=[ALGORITHM])
+    except JWTError:
+        raise unauthorized
+    user_id = payload.get("id")
+    username = payload.get("sub")
+    is_admin = bool(payload.get("is_admin", False))
+    if user_id is None or username is None:
+        raise unauthorized
+    return CurrentUser(id=user_id, username=username, is_admin=is_admin)
+
+def get_admin_user(current_user: CurrentUser = Depends(get_current_user)) -> CurrentUser:
+    if not current_user.is_admin:
+        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Admin permission required")
+    return current_user