| // |
| // ======================================================================== |
| // Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.rewrite.handler; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jetty.http.HttpHeader; |
| import org.eclipse.jetty.http.HttpHeaderValue; |
| import org.eclipse.jetty.util.ArrayTernaryTrie; |
| import org.eclipse.jetty.util.Trie; |
| |
| /** |
| * MSIE (Microsoft Internet Explorer) SSL Rule. |
| * Disable keep alive for SSL from IE5 or IE6 on Windows 2000. |
| * |
| * |
| * |
| */ |
| public class MsieSslRule extends Rule |
| { |
| private static final int IEv5 = '5'; |
| private static final int IEv6 = '6'; |
| private static Trie<Boolean> __IE6_BadOS = new ArrayTernaryTrie<>(); |
| { |
| __IE6_BadOS.put("NT 5.01", Boolean.TRUE); |
| __IE6_BadOS.put("NT 5.0",Boolean.TRUE); |
| __IE6_BadOS.put("NT 4.0",Boolean.TRUE); |
| __IE6_BadOS.put("98",Boolean.TRUE); |
| __IE6_BadOS.put("98; Win 9x 4.90",Boolean.TRUE); |
| __IE6_BadOS.put("95",Boolean.TRUE); |
| __IE6_BadOS.put("CE",Boolean.TRUE); |
| } |
| |
| public MsieSslRule() |
| { |
| _handling = false; |
| _terminating = false; |
| } |
| |
| @Override |
| public String matchAndApply(String target, HttpServletRequest request, HttpServletResponse response) throws IOException |
| { |
| if (request.isSecure()) |
| { |
| String user_agent = request.getHeader(HttpHeader.USER_AGENT.asString()); |
| |
| if (user_agent!=null) |
| { |
| int msie=user_agent.indexOf("MSIE"); |
| if (msie>0 && user_agent.length()-msie>5) |
| { |
| // Get Internet Explorer Version |
| int ieVersion = user_agent.charAt(msie+5); |
| |
| if ( ieVersion<=IEv5) |
| { |
| response.setHeader(HttpHeader.CONNECTION.asString(), HttpHeaderValue.CLOSE.asString()); |
| return target; |
| } |
| |
| if (ieVersion==IEv6) |
| { |
| int windows = user_agent.indexOf("Windows",msie+5); |
| if (windows>0) |
| { |
| int end=user_agent.indexOf(')',windows+8); |
| if(end<0 || __IE6_BadOS.get(user_agent,windows+8,end-windows-8)!=null) |
| { |
| response.setHeader(HttpHeader.CONNECTION.asString(), HttpHeaderValue.CLOSE.asString()); |
| return target; |
| } |
| } |
| } |
| } |
| } |
| } |
| return null; |
| } |
| } |