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using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Security.Principal;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using Nancy.Hosting.Self;
namespace ComicRackWebViewer
{
/// <summary>
/// Interaction logic for WebServicePanel.xaml
/// </summary>
public partial class WebServicePanel : Window
{
private static ManualResetEvent mre = new ManualResetEvent(false);
private static NancyHost host;
private int? actualPort;
private string address;
public WebServicePanel()
{
InitializeComponent();
addressTextBox.Text = BCRSettingsStore.Instance.webserver_externalip;
portTextBox.Text = BCRSettingsStore.Instance.webserver_port.ToString();
actualPort = BCRSettingsStore.Instance.webserver_port;
//bindAll.IsChecked = bool.Parse(Settings.GetSetting("bindAll") ?? "false");
SetEnabledState();
}
private void portTextBox_TextChanged(object sender, TextChangedEventArgs e)
{
if (string.IsNullOrEmpty(portTextBox.Text))
{
return;
}
int x;
if (int.TryParse(portTextBox.Text, out x))
{
actualPort = x;
}
else
{
actualPort = null;
}
SetEnabledState();
}
private void SetEnabledState()
{
if (startServiceButton == null)
{
return;
}
startServiceButton.IsEnabled = actualPort.HasValue && host == null;
stopServiceButton.IsEnabled = host != null;
portTextBox.IsEnabled = host == null;
//if (!bindAll.IsChecked ?? false)
{
addressTextBox.IsEnabled = host == null;
}
if (host == null)
{
Status.Text = "Stopped";
}
else
{
Status.Text = "Running on: ";
int port = actualPort.Value;
List<Uri> uris = GetUriParams(port).ToList();
foreach (var uri in uris)
{
Status.Text += uri.ToString() + " ";
}
}
Mouse.SetCursor(null);
}
public void StartService()
{
address = addressTextBox.Text;
startServiceButton.IsEnabled = false;
portTextBox.IsEnabled = false;
addressTextBox.IsEnabled = false;
Mouse.SetCursor(Cursors.Wait);
//bool bind = bindAll.IsChecked ?? false;
Task.Factory.StartNew(() => LoadService(true));
Status.Text = "Starting";
}
public void LoadService(bool bindAll)
{
if (host != null)
{
StopService();
}
int port = actualPort.Value;
host = new NancyHost(new Bootstrapper(), GetUriParams(port));
//host = new NancyHost(new Bootstrapper(), GetUris(bindAll).ToArray());
try
{
host.Start();
this.Dispatcher.Invoke(new Action(SetEnabledState));
mre.Reset();
mre.WaitOne();
host.Stop();
}
catch (Exception)
{
MessageBox.Show("Error in url binding");
StopService();
throw;
}
finally
{
host = null;
this.Dispatcher.Invoke(new Action(SetEnabledState));
}
}
private IEnumerable<Uri> GetUris(bool bindAll)
{
if (bindAll)
{
foreach (var ip in GetLocalIPs())
{
string url = string.Format("http://{1}:{0}/", actualPort.Value, ip);
yield return new Uri(url);
}
}
else
{
string url = string.Format("http://{1}:{0}/", actualPort.Value, address);
yield return new Uri(url);
}
}
private static IEnumerable<string> GetLocalIPs()
{
return Dns.GetHostAddresses(Dns.GetHostName()).Where(x => x.AddressFamily == AddressFamily.InterNetwork).Select(x => x.ToString());
}
private Uri[] GetUriParams(int port)
{
var uriParams = new List<Uri>();
string hostName = Dns.GetHostName();
// Host name URI
string hostNameUri = string.Format("http://{0}:{1}", Dns.GetHostName(), port);
uriParams.Add(new Uri(hostNameUri));
if (address.Trim().Length > 0)
{
string external_address = string.Format("http://{0}:{1}/", address, port);
uriParams.Add(new Uri(external_address));
}
// Host address URI(s)
var hostEntry = Dns.GetHostEntry(hostName);
foreach (var ipAddress in hostEntry.AddressList)
{
if (ipAddress.AddressFamily == AddressFamily.InterNetwork) // IPv4 addresses only
{
var addrBytes = ipAddress.GetAddressBytes();
string hostAddressUri = string.Format("http://{0}.{1}.{2}.{3}:{4}", addrBytes[0], addrBytes[1], addrBytes[2], addrBytes[3], port);
uriParams.Add(new Uri(hostAddressUri));
}
}
// Localhost URI
uriParams.Add(new Uri(string.Format("http://localhost:{0}", port)));
return uriParams.ToArray();
}
public void StopService()
{
mre.Set();
}
private void startServiceButton_Click(object sender, System.Windows.RoutedEventArgs e)
{
if (IsCurrentlyRunningAsAdmin())
{
BCRSettingsStore.Instance.webserver_externalip = addressTextBox.Text.Trim();
BCRSettingsStore.Instance.webserver_port = actualPort.HasValue ? actualPort.Value : 8080;
BCRSettingsStore.Instance.Save();
//Settings.SaveSetting("bindAll", (bindAll.IsChecked ?? false).ToString());
StartService();
}
else
{
MessageBox.Show("Sorry!, you must be running ComicRack with administrator privileges.");
}
}
private void stopServiceButton_Click(object sender, System.Windows.RoutedEventArgs e)
{
StopService();
}
private bool IsCurrentlyRunningAsAdmin()
{
bool isAdmin = false;
WindowsIdentity currentIdentity = WindowsIdentity.GetCurrent();
if (currentIdentity != null)
{
WindowsPrincipal pricipal = new WindowsPrincipal(currentIdentity);
isAdmin = pricipal.IsInRole(WindowsBuiltInRole.Administrator);
pricipal = null;
}
return isAdmin;
}
private void CheckBox_Checked_1(object sender, RoutedEventArgs e)
{
IPAddress[] localIPs = Dns.GetHostAddresses(Dns.GetHostName());
addressTextBox.IsEnabled = false;
}
private void bindAll_Unchecked_1(object sender, RoutedEventArgs e)
{
addressTextBox.IsEnabled = true;
}
}
}
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