| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.chukwa.hicc; |
| |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.Enumeration; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.hadoop.chukwa.util.XssFilter; |
| |
| public class Iframe extends HttpServlet { |
| public static final long serialVersionUID = 100L; |
| |
| @Override |
| protected void doTrace(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { |
| resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| } |
| |
| public void doGet(HttpServletRequest request, HttpServletResponse response) |
| throws IOException, ServletException { |
| String id; |
| String height = "100%"; |
| XssFilter xf = null; |
| xf = new XssFilter(request); |
| if (xf.getParameter("boxId") != null) { |
| id = xf.getParameter("boxId"); |
| } else { |
| id = "0"; |
| } |
| response.setContentType("text/html; chartset=UTF-8//IGNORE"); |
| response.setHeader("boxId", xf.getParameter("boxId")); |
| PrintWriter out = response.getWriter(); |
| StringBuffer source = new StringBuffer(); |
| String requestURL = request.getRequestURL().toString().replaceFirst("iframe/", ""); |
| if(requestURL.indexOf("/hicc/")!=-1) { |
| requestURL = requestURL.substring(requestURL.indexOf("/hicc/")); |
| } |
| source.append(requestURL); |
| source.append("?"); |
| Enumeration names = request.getParameterNames(); |
| while (names.hasMoreElements()) { |
| String key = xf.filter((String) names.nextElement()); |
| String[] values = xf.getParameterValues(key); |
| if(values!=null) { |
| for (int i = 0; i < values.length; i++) { |
| source.append(key + "=" + values[i] + "&"); |
| } |
| if (key.toLowerCase().intern() == "height".intern()) { |
| height = xf.getParameter(key); |
| } |
| } |
| } |
| StringBuffer output = new StringBuffer(); |
| output.append("<html><body><iframe id=\"iframe"); |
| output.append(id); |
| output.append("\" name=\"iframe"); |
| output.append(id); |
| output.append("\" src=\""); |
| output.append(source); |
| output.append("\" width=\"100%\" height=\""); |
| output.append(height); |
| output.append("\" frameborder=\"0\" style=\"overflow: hidden\"></iframe>"); |
| out.println(output.toString()); |
| } |
| |
| public void doPost(HttpServletRequest request, HttpServletResponse response) |
| throws IOException, ServletException { |
| doGet(request, response); |
| } |
| } |
