Initial commit: stock market platform

backend/app/api/deps.py

@@ -0,0 +1,35 @@
+from fastapi import Depends, HTTPException, status
+from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from app.core.database import get_db
+from app.core.security import decode_token
+from app.models.user import User
+
+bearer = HTTPBearer(auto_error=True)
+
+
+async def get_current_user(
+    credentials: HTTPAuthorizationCredentials = Depends(bearer),
+    db: AsyncSession = Depends(get_db),
+) -> User:
+    token = credentials.credentials
+    payload = decode_token(token)
+
+    if payload is None or payload.get("type") != "access":
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Token 无效或已过期",
+        )
+
+    user_id = int(payload["sub"])
+    result = await db.execute(select(User).where(User.id == user_id))
+    user = result.scalar_one_or_none()
+
+    if user is None or not user.is_active:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="用户不存在或已被禁用",
+        )
+
+    return user