filesender.java

DSS数字签名

//发送文件， 选择发送文件路径， 判断文件的大小，各种信息的显示
package dssclient;

import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.net.ServerSocket;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.WindowConstants;

import signature.Fhash;
import signature.SignandVer;
import zipfile.ZipFiles;
import encryption.FileDES;



public class FileSender extends JFrame implements ActionListener, Runnable
{
	static FileSender theApp = new FileSender("文件传送");
	Container content = getContentPane();
	JPanel panel = new JPanel(new GridLayout(0,1));
	JTextField ipTextField = new JTextField("localhost",20);
	JTextField portTextField = new JTextField("4000",5);
	JTextField listeningPortTextField = new JTextField("4000",8);
	JButton fileButton = new JButton("选择传输文件路径");
	JButton sendButton = new JButton("发送");
	JButton pauseButton = new JButton("暂停");
	JButton cancelButton = new JButton("退出");
	JButton desButton = new JButton("加密");
	JButton sgButton = new JButton("签名");
	JButton savebutton = new JButton("保存");
	JButton hashbutton = new JButton("计算摘要");
	
	JLabel toSendNameLabel = new JLabel("");
	JLabel listenStatusLabel = new JLabel("                                   ");
	ServerSocket listeningSocket = null;
	int listenFlag = 0;
	static final long MAGIC_NUMBER = 3576541657654657413L;
	boolean idle = true;
	monitor goOn = new monitor(true);
	int recCount = 0;
	JFileChooser openFiles = new JFileChooser();
	JFileChooser saveFiles = null;
	File toSend = null;
	File sgkey = null;
	File sourceFileName = null;
	final int bufferSize = 8192;
	Thread sendThread = null;
	String ip;
	
	FileDES fileDes = new  FileDES();
	SignandVer fileSig = new SignandVer();
	Fhash fileHash = new Fhash();
	
	String hashfileName = "D:\\soft\\DSF\\hash.txt" ;
    String signfileName = "D:\\soft\\DSF\\sign.txt" ;
    String prakry = "D:\\soft\\DSF\\prakey.der" ;
    String CertName = "D:\\soft\\DSF\\UserCert.pem" ;
    String cryptfile = "D:\\soft\\DSF\\cryptfile.txt" ;
   
    

	public FileSender(String his_ip)
	{
		try
		{
			UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
		}
		catch(Exception e)
		{
			handleException(e.toString());
		}
		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        setTitle(his_ip);
		setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
		content.setLayout(new FlowLayout());
		addWindowListener(new WindowHandler());
		
		ipTextField.selectAll();
		ipTextField.setText(ip);
		ipTextField.setToolTipText("这是接收者的地址.");
		
		portTextField.setToolTipText("这是接收者的端口.");
		listeningPortTextField.setToolTipText("监听端口.");
			
		Dimension size = new Dimension(90,18);			
		
		sendButton.setEnabled(false);
		sendButton.addActionListener(this);
		sendButton.setPreferredSize(size);
		sendButton.setToolTipText("发送选中的文件!");
		
		pauseButton.setEnabled(false);
		pauseButton.addActionListener(this);
		pauseButton.setPreferredSize(size);
		pauseButton.setToolTipText("暂停/重新开始传送过程.");
		
		
		
		JPanel addressPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
		addressPanel.add(new JLabel("地址: "));
		addressPanel.add(ipTextField);
		addressPanel.add(new JLabel("端口: "));
		addressPanel.add(portTextField);
			
		JPanel buttonsPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
		buttonsPanel.add(sendButton);
		
		JPanel namePanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
		JPanel sizePanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
		
		JPanel listenPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
		listenPanel.add(listeningPortTextField);
		listenPanel.add(listenStatusLabel);
		panel.add(addressPanel);	
		panel.add(namePanel);
		desButton.setText("DES加密");
		namePanel.add(desButton);
		desButton.addActionListener(this);
		hashbutton.setText("计算摘要");
		namePanel.add(hashbutton);
		hashbutton.addActionListener(this);
		
		sgButton.setText("数字签名");
		namePanel.add(sgButton);
		sgButton.addActionListener(this);

		
		savebutton.setText("文件压缩");
		namePanel.add(savebutton);
		savebutton.addActionListener(this);
		
		
		panel.add(sizePanel);	
			
		fileButton.addActionListener(this);
		sizePanel.add(fileButton);
		fileButton.setPreferredSize(size);
		fileButton.setToolTipText("选择一个要发送的文件.");
		sizePanel.add(toSendNameLabel);
		panel.add(buttonsPanel);
		cancelButton.setEnabled(false);
		cancelButton.addActionListener(this);
		cancelButton.setPreferredSize(size);
		cancelButton.setToolTipText("退出传送.可恢复");
		buttonsPanel.add(cancelButton);
		content.add(panel);
		pack();
		new Thread(this).start();
	}	
	
	public void actionPerformed(ActionEvent evt)
	{
		Component whichButton = (Component)evt.getSource();
		
		if(whichButton==fileButton)
		{
			if(openFiles.APPROVE_OPTION==openFiles.showOpenDialog((Component)content))
			{	
				toSend = openFiles.getSelectedFile();
				toSendNameLabel.setText("file: "+toSend.getPath());
				sendButton.setEnabled(true);
				
				FileSender.theApp.pack();
			}
		}
		
		
		
		
		else if(whichButton==desButton)
		{
			if(openFiles.APPROVE_OPTION==openFiles.showOpenDialog((Component)content))
			{	
				String passWord="ZYWX1234";            //工作密匙
				sourceFileName = openFiles.getSelectedFile();
				
				fileDes.FileDes(sourceFileName.getPath(), cryptfile, passWord, true);
				toSendNameLabel.setText("file: "+sourceFileName.getPath());
				
		
				sendButton.setEnabled(true);
				
				FileSender.theApp.pack();
			}

		}
		
		else if(whichButton==hashbutton)
		{
				fileHash.fhash(sourceFileName.getPath(), hashfileName);
		}
		
		else if(whichButton==sgButton)
		{
			if(openFiles.APPROVE_OPTION==openFiles.showOpenDialog((Component)content))
			{	
				sgkey = openFiles.getSelectedFile();
				sgkey.getPath();	
				fileSig.TransFormat(sgkey.getPath(), prakry);
				FileSender.theApp.pack();
			}
		}
		
		else if(whichButton==savebutton)
		{
			fileSig.sig(hashfileName, prakry, signfileName);
			
			ZipFiles zipfiles = new ZipFiles();
			zipfiles.Zipfiles();
		}
		
		
		
		
		if(whichButton==sendButton)
		{
			try
			{
				sendThread = new Thread(new filesend(toSend,ip));
				ipTextField.setText(ip);
				sendThread.start();
				sendButton.setEnabled(false);
				fileButton.setEnabled(false);
				
			}
			catch(Exception e)
			{
				FileSender.theApp.handleException(e.toString());
			}
		}
				
	
	}

	public void run()
	{
		Toolkit theKit = theApp.getToolkit();
		Dimension scrSize = theKit.getScreenSize();
		theApp.setLocation(scrSize.width/4,scrSize.height/4);
		theApp.setVisible(true);		
		while(idle)
		{
			try
			{
				Thread.sleep(10000);
				FileSender.theApp.pack();
			}
			catch(InterruptedException e)
			{
				System.out.println(e);
			}
		}
	}
	
	
	void handleException(String whatHappened)
	{
		JOptionPane.showMessageDialog((Component)content,whatHappened,"",JOptionPane.INFORMATION_MESSAGE);
	}
	
	
	void otherSideCanceled()
	{
		JOptionPane.showMessageDialog((Component)content,"对方退出了.","",JOptionPane.INFORMATION_MESSAGE);
	}
	void fileSent()
	{
		JOptionPane.showMessageDialog((Component)content,"文件传送成功!.","",JOptionPane.INFORMATION_MESSAGE);
		FileSender.theApp.dispose();
	}
	
	
}