PortProxyGUI/PortProxyGUI - NET45/SetProxyForm.cs

142 lines
5.0 KiB
C#

using NStandard;
using System;
using System.Linq;
using System.Text.RegularExpressions;
using System.Windows.Forms;
namespace PortProxyGUI
{
public partial class SetProxyForm : Form
{
public readonly PortProxyGUI ParentWindow;
private string AutoTypeString { get; }
private bool _updateMode;
private ListViewItem _updateLiveViewItem;
private string _oldType;
private string _oldListenOn;
private int _oldListenPort;
public SetProxyForm(PortProxyGUI parent)
{
ParentWindow = parent;
InitializeComponent();
AutoTypeString = comboBox_type.Text = comboBox_type.Items.OfType<string>().First();
}
public void UseNormalMode()
{
_updateMode = false;
_updateLiveViewItem = null;
_oldType = null;
_oldListenOn = null;
_oldListenPort = 0;
comboBox_type.Text = AutoTypeString;
textBox_listenOn.Text = "*";
textBox_listenPort.Text = "";
textBox_connectTo.Text = "";
textBox_connectPort.Text = "";
}
public void UseUpdateMode(ListViewItem item, string type, string listenOn, int listenPort, string connectTo, string connectPort)
{
_updateMode = true;
_updateLiveViewItem = item;
_oldType = type;
_oldListenOn = listenOn.Trim().ToLower();
_oldListenPort = listenPort;
comboBox_type.Text = type;
textBox_listenOn.Text = listenOn.ToString();
textBox_listenPort.Text = listenPort.ToString();
textBox_connectTo.Text = connectTo;
textBox_connectPort.Text = connectPort;
}
private bool IsIPv6(string ip)
{
return ip.IsMatch(new Regex(@"^[\dABCDEF]{2}(?::(?:[\dABCDEF]{2})){5}$"));
}
private string GetPassType(string listenOn, string connectTo)
{
var from = IsIPv6(listenOn) ? "v6" : "v4";
var to = IsIPv6(connectTo) ? "v6" : "v4";
return $"{from}to{to}";
}
private void button_submit_Click(object sender, EventArgs e)
{
var type = comboBox_type.Text.Trim();
var listenOn = textBox_listenOn.Text.Trim().ToLower();
var connectTo = textBox_connectTo.Text.Trim().ToLower();
var listenPort = textBox_listenPort.Text.Trim();
var connectPort = textBox_connectPort.Text.Trim();
if (!int.TryParse(listenPort, out var _listenPort) || _listenPort < 0 || _listenPort > 65535)
{
MessageBox.Show($"The listen port is invalid.", "Fail", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
if (!int.TryParse(connectPort, out var _connectPort) || _connectPort < 0 || _connectPort > 65535)
{
MessageBox.Show($"The connect port is invalid.", "Fail", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
if (type == AutoTypeString) type = GetPassType(listenOn, connectTo);
if (!new[] { "v4tov4", "v4tov6", "v6tov4", "v6tov6" }.Contains(type))
{
MessageBox.Show($"Unknow type for ({listenOn} -> {connectTo}).", "Fail", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
if (_updateMode)
{
var rule = Program.SqliteDbScope.GetRule(_oldType, _oldListenOn, _oldListenPort);
CmdUtil.DeleteProxy(_oldType, _oldListenOn, _oldListenPort);
Program.SqliteDbScope.Remove(rule);
rule.Type = type;
rule.ListenOn = listenOn;
rule.ListenPort = _listenPort;
rule.ConnectTo = connectTo;
rule.ConnectPort = _connectPort;
CmdUtil.AddProxy("add", type, listenOn, _listenPort, connectTo, _connectPort);
Program.SqliteDbScope.Add(rule);
_updateLiveViewItem.ImageIndex = 1;
var subItems = _updateLiveViewItem.SubItems;
subItems[1].Text = type;
subItems[2].Text = listenOn;
subItems[3].Text = _listenPort.ToString();
subItems[4].Text = connectTo;
subItems[5].Text = _connectPort.ToString();
}
else
{
CmdUtil.AddProxy("add", type, listenOn, _listenPort, connectTo, _connectPort);
ParentWindow.RefreshProxyList();
}
Close();
}
private void SetProxyForm_Load(object sender, EventArgs e)
{
Top = ParentWindow.Top + (ParentWindow.Height - Height) / 2;
Left = ParentWindow.Left + (ParentWindow.Width - Width) / 2;
}
private void SetProxyForm_FormClosing(object sender, FormClosingEventArgs e)
{
ParentWindow.SetProxyForm = null;
}
}
}