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jellyfin/MediaBrowser.Installer/MainWindow.xaml.cs

238 lines
8.5 KiB

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Threading.Tasks;
using System.Windows;
using System.Web;
using System.Linq;
using Ionic.Zip;
using MediaBrowser.Installer.Code;
using ServiceStack.Text;
using IWshRuntimeLibrary;
namespace MediaBrowser.Installer
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
protected PackageVersionClass PackageClass = PackageVersionClass.Release;
protected Version PackageVersion = new Version(10,0,0,0);
protected string PackageName = "MBServer";
protected string RootSuffix = "-Server";
protected string TargetExe = "MediaBrowser.ServerApplication.exe";
protected string FriendlyName = "Media Browser Server";
protected string RootPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MediaBrowser-Server");
protected bool SystemClosing = false;
protected string TempLocation = Path.Combine(Path.GetTempPath(), "MediaBrowser");
public MainWindow()
{
GetArgs();
InitializeComponent();
DoInstall();
}
private void btnCancel_Click(object sender, RoutedEventArgs e)
{
this.Close();
}
protected override void OnClosing(System.ComponentModel.CancelEventArgs e)
{
if (!SystemClosing && MessageBox.Show("Cancel Installation - Are you sure?", "Cancel", MessageBoxButton.YesNo) == MessageBoxResult.No)
{
e.Cancel = true;
}
ClearTempLocation(TempLocation);
base.OnClosing(e);
}
protected void SystemClose(string message = null)
{
if (message != null)
{
MessageBox.Show(message, "Error");
}
SystemClosing = true;
this.Close();
}
protected void GetArgs()
{
var args = AppDomain.CurrentDomain.SetupInformation.ActivationArguments;
if (args == null || args.ActivationData == null || args.ActivationData.Length <= 0) return;
var url = new Uri(args.ActivationData[0], UriKind.Absolute);
var parameters = HttpUtility.ParseQueryString(url.Query);
// fill in our arguments if there
PackageName = parameters["package"] ?? "MBServer";
PackageClass = (PackageVersionClass)Enum.Parse(typeof(PackageVersionClass), parameters["class"] ?? "Release");
PackageVersion = new Version(parameters["version"].ValueOrDefault("10.0.0.0"));
RootSuffix = parameters["suffix"] ?? "-Server";
TargetExe = parameters["target"] ?? "MediaBrowser.ServerApplication.exe";
FriendlyName = parameters["name"] ?? PackageName;
RootPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MediaBrowser" + RootSuffix);
}
/// <summary>
/// Execute the install process
/// </summary>
/// <returns></returns>
protected async Task DoInstall()
{
lblStatus.Content = "Downloading "+FriendlyName+"...";
dlAnimation.StartAnimation();
prgProgress.Value = 0;
prgProgress.Visibility = Visibility.Visible;
// Download
var archive = await DownloadPackage();
dlAnimation.StopAnimation();
prgProgress.Visibility = btnCancel.Visibility = Visibility.Hidden;
// Extract
lblStatus.Content = "Extracting Package...";
try
{
ExtractPackage(archive);
}
catch (Exception e)
{
SystemClose("Error Extracting - " + e.GetType().FullName + "\n\n" + e.Message);
}
// Create shortcut
var fullPath = Path.Combine(RootPath, "System", TargetExe);
try
{
CreateShortcut(fullPath);
}
catch (Exception e)
{
SystemClose("Error Creating Shortcut - "+e.GetType().FullName+"\n\n"+e.Message);
}
// And run
try
{
Process.Start(fullPath);
}
catch (Exception e)
{
SystemClose("Error Executing - "+fullPath+ " "+e.GetType().FullName+"\n\n"+e.Message);
}
SystemClose();
}
/// <summary>
/// Download our specified package to an archive in a temp location
/// </summary>
/// <returns>The fully qualified name of the downloaded package</returns>
protected async Task<string> DownloadPackage()
{
using (var client = new WebClient())
{
try
{
// get the package information for the server
var json = await client.DownloadStringTaskAsync("http://www.mb3admin.com/admin/service/package/retrieveAll?name="+PackageName);
var packages = JsonSerializer.DeserializeFromString<List<PackageInfo>>(json);
var version = packages[0].versions.Where(v => v.classification == PackageClass).OrderByDescending(v => v.version).FirstOrDefault(v => v.version <= PackageVersion);
if (version == null)
{
SystemClose("Could not locate download package. Aborting.");
return null;
}
var archiveFile = Path.Combine(PrepareTempLocation(), version.targetFilename);
// setup download progress and download the package
client.DownloadProgressChanged += DownloadProgressChanged;
await client.DownloadFileTaskAsync(version.sourceUrl, archiveFile);
return archiveFile;
}
catch (Exception e)
{
SystemClose(e.GetType().FullName + "\n\n" + e.Message);
}
}
return "";
}
void DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
prgProgress.Value = e.ProgressPercentage;
}
/// <summary>
/// Extract the provided archive to our program root
/// It is assumed the archive is a zip file relative to that root (with all necessary sub-folders)
/// </summary>
/// <param name="archive"></param>
protected void ExtractPackage(string archive)
{
using (var fileStream = System.IO.File.OpenRead(archive))
{
using (var zipFile = ZipFile.Read(fileStream))
{
zipFile.ExtractAll(RootPath, ExtractExistingFileAction.OverwriteSilently);
}
}
}
/// <summary>
/// Create a shortcut in the current user's start menu
/// Only do current user to avoid need for admin elevation
/// </summary>
/// <param name="targetExe"></param>
protected void CreateShortcut(string targetExe)
{
// get path to all users start menu
var shell = new WshShell();
var startMenu = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.StartMenu),"Media Browser");
if (!Directory.Exists(startMenu)) Directory.CreateDirectory(startMenu);
var myShortcut = (IWshShortcut)shell.CreateShortcut(Path.Combine(startMenu, "Media Browser Server.lnk"));
myShortcut.TargetPath = targetExe;
myShortcut.Description = "Run " + FriendlyName;
myShortcut.Save();
}
/// <summary>
/// Prepare a temporary location to download to
/// </summary>
/// <returns>The path to the temporary location</returns>
protected string PrepareTempLocation()
{
ClearTempLocation(TempLocation);
Directory.CreateDirectory(TempLocation);
return TempLocation;
}
/// <summary>
/// Clear out (delete recursively) the supplied temp location
/// </summary>
/// <param name="location"></param>
protected void ClearTempLocation(string location)
{
if (Directory.Exists(location))
{
Directory.Delete(location, true);
}
}
}
}