MemShellParty/vul/vul-webapp-expression/src/main/java/AviatorServlet.java

import com.googlecode.aviator.AviatorEvaluator;
import com.googlecode.aviator.AviatorEvaluatorInstance;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author ReaJason
 * @since 2024/12/14
 */
@WebServlet("/aviator")
public class AviatorServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String data = req.getParameter("data");
        AviatorEvaluatorInstance evaluator = AviatorEvaluator.newInstance();
        resp.getWriter().println(evaluator.execute(data));
    }
}