Initial commit: secondary school grade archive system.

Add FastAPI/React app with Docker deployment, Ubuntu one-click install, and docs for junior/senior high score tracking and mistake bank.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/core/deps.py

@@ -0,0 +1,34 @@
+import uuid
+
+from fastapi import Depends, HTTPException, status
+from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
+from jose import JWTError, jwt
+from sqlalchemy.orm import Session
+
+from app.core.config import settings
+from app.core.database import get_db
+from app.models.user import User
+
+security = HTTPBearer(auto_error=False)
+
+
+def get_current_user(
+    credentials: HTTPAuthorizationCredentials | None = Depends(security),
+    db: Session = Depends(get_db),
+) -> User:
+    if credentials is None:
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="未登录")
+    token = credentials.credentials
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
+        user_id: str | None = payload.get("sub")
+        token_type: str | None = payload.get("type")
+        if user_id is None or token_type != "access":
+            raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="无效令牌")
+    except JWTError as exc:
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="无效令牌") from exc
+
+    user = db.get(User, uuid.UUID(user_id))
+    if user is None:
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="用户不存在")
+    return user