msntest.cs

c#实现的MSNP协议,可实现模拟MSN的客户端

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net.Sockets;
using System.Net;
using System.IO;
using System.Text;
using System.Web;

namespace MSNTestNamespace
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class MSNTest : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.Button btnConnect;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label lblUsername;
		private System.Windows.Forms.TextBox txtPassword;
		private System.Windows.Forms.TextBox txtUsername;
		private System.Windows.Forms.Label lblScreenName;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public MSNTest()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.panel1 = new System.Windows.Forms.Panel();
			this.btnConnect = new System.Windows.Forms.Button();
			this.label2 = new System.Windows.Forms.Label();
			this.lblUsername = new System.Windows.Forms.Label();
			this.txtPassword = new System.Windows.Forms.TextBox();
			this.txtUsername = new System.Windows.Forms.TextBox();
			this.lblScreenName = new System.Windows.Forms.Label();
			this.panel1.SuspendLayout();
			this.SuspendLayout();
			// 
			// panel1
			// 
			this.panel1.BackColor = System.Drawing.SystemColors.InactiveBorder;
			this.panel1.Controls.Add(this.label2);
			this.panel1.Controls.Add(this.lblUsername);
			this.panel1.Controls.Add(this.txtPassword);
			this.panel1.Controls.Add(this.txtUsername);
			this.panel1.Location = new System.Drawing.Point(8, 16);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(192, 144);
			this.panel1.TabIndex = 5;
			// 
			// btnConnect
			// 
			this.btnConnect.Location = new System.Drawing.Point(204, 232);
			this.btnConnect.Name = "btnConnect";
			this.btnConnect.TabIndex = 0;
			this.btnConnect.Text = "Connect Me";
			this.btnConnect.Click += new System.EventHandler(this.button1_Click);
			// 
			// label2
			// 
			this.label2.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label2.Location = new System.Drawing.Point(6, 64);
			this.label2.Name = "label2";
			this.label2.TabIndex = 8;
			this.label2.Text = "Password";
			// 
			// lblUsername
			// 
			this.lblUsername.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.lblUsername.Location = new System.Drawing.Point(6, 8);
			this.lblUsername.Name = "lblUsername";
			this.lblUsername.TabIndex = 7;
			this.lblUsername.Text = "Username";
			// 
			// txtPassword
			// 
			this.txtPassword.Location = new System.Drawing.Point(8, 88);
			this.txtPassword.Name = "txtPassword";
			this.txtPassword.PasswordChar = '*';
			this.txtPassword.Size = new System.Drawing.Size(168, 20);
			this.txtPassword.TabIndex = 6;
			this.txtPassword.Text = "";
			// 
			// txtUsername
			// 
			this.txtUsername.Location = new System.Drawing.Point(8, 32);
			this.txtUsername.Name = "txtUsername";
			this.txtUsername.Size = new System.Drawing.Size(168, 20);
			this.txtUsername.TabIndex = 5;
			this.txtUsername.Text = "";
			// 
			// lblScreenName
			// 
			this.lblScreenName.Location = new System.Drawing.Point(8, 168);
			this.lblScreenName.Name = "lblScreenName";
			this.lblScreenName.Size = new System.Drawing.Size(272, 48);
			this.lblScreenName.TabIndex = 6;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(292, 266);
			this.Controls.Add(this.lblScreenName);
			this.Controls.Add(this.panel1);
			this.Controls.Add(this.btnConnect);
			this.Name = "Form1";
			this.Text = "MSN Test MSNP9";
			this.panel1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new MSNTest());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{

			MSNConnection MSN = new MSNConnection();
			string username = txtUsername.Text;
			string password = txtPassword.Text;
			if (username != "" && password != "")
			{
				lblScreenName.Text = "Connecting please wait";
				lblScreenName.Update();				
				int result = MSN.Connect(username, password);
				lblScreenName.Text = "";
				lblScreenName.Update();				
				if (result == 0)
				{
					MessageBox.Show("Connected as '" + MSN._UserName + "'", "MSN Test",MessageBoxButtons.OK, MessageBoxIcon.Information);
					lblScreenName.Text = "Your screenname: " + MSN._ScreenName.Replace("%20", " ");
				}
				else if (result == 401)
				{
					MessageBox.Show("Invalid credentials, please try again", "MSN Test",MessageBoxButtons.OK, MessageBoxIcon.Error);
				}
				else
				{
					MessageBox.Show("Unknow error occured while connecting", "MSN Test",MessageBoxButtons.OK, MessageBoxIcon.Error);
				}
			}
			else
			{
				MessageBox.Show("Invalid credentials, please try again", "MSN Test",MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}
	}

	public class MSNConnection
	{
		// These are the numbers where the addresses wil appear in the arraylist
		// it is not the niced solution, but it works a lot faster
		// you can use some kind of IDictionary object to put the value behind a key name
		//
		// PASPORTURLS
		public int DARREALM			= 0;
		public int DALOGIN			= 1;
		public int DAREG			= 2;
		public int PROPERTIES		= 3;
		public int GENERALDIR		= 4;
		public int HELP				= 5;
		public int CONFIGVERSION	= 6;

		public ArrayList PassportUrls;

		/// <summary>
		/// Every message from a client has a unique transactionID
		/// With every message this number will be increased
		/// </summary>
		private long            _transactionID = 0;

		private TcpClient       _socket;
		private NetworkStream   _stream;
		private StreamReader    _reader;
		private StreamWriter    _writer;

		public string _UserName;
		public string _ScreenName;

		protected bool DataAvailable
		{
			get { return _stream.DataAvailable; }
		}

		public bool Connected
		{
			get { return _socket != null; }
		}

		/// <summary>
		/// Make a socket connection and streamers
		/// </summary>
		/// <param name="host">IP host to connect to</param>
		/// <param name="port">IP port to connect to</param>
        protected void ConnectSocket(string host, int port)
        {
			Console.WriteLine("Connecting to " + host + ":" + port);
			_transactionID = 0;
            _socket = new TcpClient(host, port);
			_stream = _socket.GetStream();
            _reader = new StreamReader(_stream, Encoding.ASCII);
            _writer = new StreamWriter(_stream, Encoding.ASCII);
            _writer.AutoFlush = true;
        }

		/// <summary>
		/// Write a message to the current socket, this functions raises the transactionID
		/// </summary>
		/// <param name="line">The Message</param>
		/// <param name="writeNewLine">Determine if you write a line, or only a message (with or withhout ending character</param>
		private void WriteLine(string line, bool writeNewLine)
		{
			Console.WriteLine("Writing: " + line);
			if (writeNewLine)
				_writer.WriteLine(line);
			else
				_writer.Write(line);
			// raise the transactionId
			_transactionID++;
		}

		/// <summary>
		/// Write a command to the server
		/// </summary>
		/// <param name="command">The first command</param>
		/// <param name="parameters">The parameters that have to be send to the server</param>
		/// <param name="bSendId">Sometimes you don't have to send an transactionID</param>
		protected void WriteCommand(string command,string parameters,bool bSendId)
		{
			string line;
			// check what type of format it should be
			if (bSendId) 
				line = string.Format("{0} {1} {2}", command, _transactionID, parameters);
			else
				line = string.Format("{0} {1}", command, parameters);
			// Write the line
			WriteLine(line, true);
		}

		/// <summary>
		/// This function read the information from the streamreader
		/// and if it read something it returns a new ServerCommand object
		/// </summary>
		/// <returns>if there is something return new ServerCommand object</returns>
		protected ServerCommand ReadCommand()
		{
			string  line = _reader.ReadLine();
			Console.WriteLine("Reading: " + line);
			if (line == null) 
			{
				Console.WriteLine("Nothing received");
				return new ServerCommand();
			}
			else
			{