Class BurpExtender

src/burp/BurpExtender.java:63–848

public class BurpExtender implements IBurpExtender, IHttpListener, ITab, IContextMenuFactory
{
    private IBurpExtenderCallbacks callbacks;
    private IExtensionHelpers helpers;
    private PrintWriter stdout;//现在这里定义变量，再在registerExtenderCallbacks函数中实例化，如果都在函数中就只是局部变量，不能在这实例化，因为要用到其他参数。
	public JCheckBox chckbxProxy;
	public JCheckBox chckbxScanner;
	public JCheckBox chckbxIntruder;
	public JCheckBox chckbxRepeater;
	public static JTextField textFieldDomain;
	public static JTable table;
	public JTextField textFieldSecretKey;
	public JCheckBox chckbxAppendToEnd;
	public JCheckBox chckbxSameAsPara;
	public JTextField textFieldConnector;
	public JTextArea textAreaFinalString;
	public JCheckBox chckbxMD5;
	public JCheckBox chckbxSHA1;
	public JCheckBox chckbxNewCheckBox_3;
	public JTextArea textAreaSign;
	public JPanel contentPane;
	private final ButtonGroup buttonGroup = new ButtonGroup();
	private final ButtonGroup buttonGroup1 = new ButtonGroup();
	public String extenderName = "Resign v2.2 by bit4";
	private JTextField textFieldParaConnector;
	public JLabel lblOrderMethod;
	
	
	
	public String secretKey = null;
	public int sortedColumn;
	public SortOrder sortedMethod;
	public String howDealKey = ""; //sameAsPara  or appendToEnd
	String signPara = null; //the key name of sign parameter
	private JTextField textFieldSign;
	private JCheckBox chckbxOnlyUseValue;
	
    
	
    // implement IBurpExtender
    @Override
    public void registerExtenderCallbacks(IBurpExtenderCallbacks callbacks)
    {//当加载插件的时候，会调用下面的方法。
    	stdout = new PrintWriter(callbacks.getStdout(), true);
    	//PrintWriter stdout = new PrintWriter(callbacks.getStdout(), true); 这种写法是定义变量和实例化，这里的变量就是新的变量而不是之前class中的全局变量了。
    	stdout.println(extenderName+"    https://github.com/bit4woo\r\n");
    	//System.out.println("test"); 不会输出到burp的
        this.callbacks = callbacks;
        helpers = callbacks.getHelpers();
        callbacks.setExtensionName(extenderName); //插件名称
        callbacks.registerHttpListener(this); //如果没有注册，下面的processHttpMessage方法是不会生效的。处理请求和响应包的插件，这个应该是必要的
        callbacks.registerContextMenuFactory(this);
        addMenuTab();
    }

    @Override
    public void processHttpMessage(int toolFlag,boolean messageIsRequest,IHttpRequestResponse messageInfo)
    {