using System;
using System.Collections.Generic;
using System.Configuration;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Threading.Tasks;
using System.Windows;
using System.Linq;
using Ionic.Zip;
using MediaBrowser.Installer.Code;
using ServiceStack.Text;
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(4,0,0,0);
protected string PackageName = "MBServer";
protected string RootSuffix = "-Server";
protected string TargetExe = "MediaBrowser.ServerApplication.exe";
protected string FriendlyName = "Media Browser Server";
protected string Archive = null;
protected string RootPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MediaBrowser-Server");
protected bool SystemClosing = false;
protected string TempLocation = Path.Combine(Path.GetTempPath(), "MediaBrowser");
protected WebClient MainClient = new WebClient();
public MainWindow()
{
GetArgs();
InitializeComponent();
DoInstall(Archive);
}
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;
}
if (MainClient.IsBusy)
{
MainClient.CancelAsync();
while (MainClient.IsBusy)
{
// wait to finish
}
}
MainClient.Dispose();
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()
{
//cmd line args should be name/value pairs like: product=server archive="c:\.." caller=34552
var cmdArgs = Environment.GetCommandLineArgs();
var args = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
foreach (var pair in cmdArgs)
{
var nameValue = pair.Split('=');
if (nameValue.Length == 2)
{
args[nameValue[0]] = nameValue[1];
}
}
Archive = args.GetValueOrDefault("archive", null);
var product = args.GetValueOrDefault("product", null) ?? ConfigurationManager.AppSettings["product"] ?? "server";
PackageClass = (PackageVersionClass) Enum.Parse(typeof (PackageVersionClass), args.GetValueOrDefault("class", null) ?? ConfigurationManager.AppSettings["class"] ?? "Release");
PackageVersion = new Version(args.GetValueOrDefault("version", "4.0"));
var callerId = args.GetValueOrDefault("caller", null);
if (callerId != null)
{
// Wait for our caller to exit
try
{
var process = Process.GetProcessById(Convert.ToInt32(callerId));
process.WaitForExit();
}
catch (ArgumentException)
{
// wasn't running
}
}
switch (product.ToLower())
{
case "mbt":
PackageName = "MBTheater";
RootSuffix = "-Theater";
TargetExe = "MediaBrowser.UI.exe";
FriendlyName = "Media Browser Theater";
break;
default:
PackageName = "MBServer";
RootSuffix = "-Server";
TargetExe = "MediaBrowser.ServerApplication.exe";
FriendlyName = "Media Browser Server";
break;
}
RootPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MediaBrowser" + RootSuffix);
}
/// <summary>
/// Execute the install process
/// </summary>
/// <returns></returns>
protected async Task DoInstall(string archive)
{
lblStatus.Text = string.Format("Installing {0}...", FriendlyName);
// Determine Package version
var version = await GetPackageVersion();
// Now try and shut down the server if that is what we are installing and it is running
var procs = Process.GetProcessesByName("mediabrowser.serverapplication");
var server = procs.Length > 0 ? procs[0] : null;
if (PackageName == "MBServer" && server != null)
{
lblStatus.Text = "Shutting Down Media Browser Server...";
using (var client = new WebClient())
{
try
{
client.UploadString("http://localhost:8096/mediabrowser/System/Shutdown", "");
try
{
server.WaitForExit();
}
catch (ArgumentException)
{
// already gone
}
}
catch (WebException e)
{
if (e.GetStatus() == HttpStatusCode.NotFound || e.Message.StartsWith("Unable to connect",StringComparison.OrdinalIgnoreCase)) return; // just wasn't running
MessageBox.Show("Error shutting down server. Please be sure it is not running before hitting OK.\n\n" + e.GetStatus() + "\n\n" + e.Message);
}
}
}
else
{
if (PackageName == "MBTheater")
{
// Uninstalling MBT - shut it down if it is running
var processes = Process.GetProcessesByName("mediabrowser.ui");
if (processes.Length > 0)
{
lblStatus.Text = "Shutting Down Media Browser Theater...";
try
{
processes[0].Kill();
}
catch (Exception ex)
{
MessageBox.Show("Unable to shutdown Media Browser Theater. Please ensure it is not running before hitting OK.\n\n" + ex.Message, "Error");
}
}
}
}
// Download if we don't already have it
if (archive == null)
{
lblStatus.Text = string.Format("Downloading {0} (version {1})...", FriendlyName, version.versionStr);
try
{
archive = await DownloadPackage(version);
}
catch (Exception e)
{
SystemClose("Error Downloading Package - " + e.GetType().FullName + "\n\n" + e.Message);
}
}
if (archive == null) return; //we canceled or had an error that was already reported
// Extract
lblStatus.Text = "Extracting Package...";
try
{
ExtractPackage(archive);
// We're done with it so delete it (this is necessary for update operations)
try
{
File.Delete(archive);
}
catch (FileNotFoundException)
{
}
catch (Exception e)
{
SystemClose("Error Removing Archive - " + e.GetType().FullName + "\n\n" + e.Message);
}
}
catch (Exception e)
{
SystemClose("Error Extracting - " + e.GetType().FullName + "\n\n" + e.Message);
}
// Create shortcut
var fullPath = Path.Combine(RootPath, "System", TargetExe);
try
{
CreateShortcuts(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();
}
protected async Task<PackageVersionInfo> GetPackageVersion()
{
try
{
// get the package information for the server
var json = await MainClient.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;
}
return version;
}
catch (Exception e)
{
SystemClose(e.GetType().FullName + "\n\n" + e.Message);
}
return null;
}
/// <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(PackageVersionInfo version)
{
try
{
var archiveFile = Path.Combine(PrepareTempLocation(), version.targetFilename);
// setup download progress and download the package
MainClient.DownloadProgressChanged += DownloadProgressChanged;
try
{
await MainClient.DownloadFileTaskAsync(version.sourceUrl, archiveFile);
}
catch (WebException e)
{
if (e.Status == WebExceptionStatus.RequestCanceled)
{
return null;
}
throw;
}
return archiveFile;
}
catch (Exception e)
{
SystemClose(e.GetType().FullName + "\n\n" + e.Message);
}
return "";
}
void DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
rectProgress.Width = (this.Width * e.ProgressPercentage)/100f;
}
/// <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)
{
// Delete old content of system
var systemDir = Path.Combine(RootPath, "system");
if (Directory.Exists(systemDir))
{
try
{
Directory.Delete(systemDir, true);
}
catch
{
// we tried...
}
}
// And extract
using (var fileStream = 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 CreateShortcuts(string targetExe)
{
// get path to all users start menu
var startMenu = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.StartMenu),"Media Browser 3");
if (!Directory.Exists(startMenu)) Directory.CreateDirectory(startMenu);
var product = new ShellShortcut(Path.Combine(startMenu, FriendlyName+".lnk")) {Path = targetExe, Description = "Run " + FriendlyName};
product.Save();
if (PackageName == "MBServer")
{
var path = Path.Combine(startMenu, "MB Dashboard.lnk");
var dashboard = new ShellShortcut(path)
{Path = @"http://localhost:8096/mediabrowser/dashboard/dashboard.html", Description = "Open the Media Browser Server Dashboard (configuration)"};
dashboard.Save();
}
var uninstall = new ShellShortcut(Path.Combine(startMenu, "Uninstall " + FriendlyName + ".lnk"))
{Path = Path.Combine(Path.GetDirectoryName(targetExe), "MediaBrowser.Uninstaller.exe"), Arguments = (PackageName == "MBServer" ? "server" : "mbt"), Description = "Uninstall " + FriendlyName};
uninstall.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);
}
}
}
}