jellyfin/MediaBrowser.ServerApplication/Native/WindowsApp.cs

using System;
using MediaBrowser.Common.Net;
using MediaBrowser.Model.Logging;
using MediaBrowser.Server.Startup.Common;
using MediaBrowser.ServerApplication.Networking;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Windows.Forms;
using CommonIO;
using MediaBrowser.Model.System;
using MediaBrowser.Server.Implementations.Persistence;
using MediaBrowser.Server.Startup.Common.FFMpeg;
using OperatingSystem = MediaBrowser.Server.Startup.Common.OperatingSystem;

namespace MediaBrowser.ServerApplication.Native
{
    public class WindowsApp : INativeApp
    {
        private readonly IFileSystem _fileSystem;
        private readonly ILogger _logger;

        public WindowsApp(IFileSystem fileSystem, ILogger logger)
        {
            _fileSystem = fileSystem;
            _logger = logger;
        }

        public List<Assembly> GetAssembliesWithParts()
        {
            var list = new List<Assembly>();

            if (!System.Environment.Is64BitProcess)
            {
                //list.Add(typeof(PismoIsoManager).Assembly);
            }

            list.Add(GetType().Assembly);

            return list;
        }

        public void AuthorizeServer(int udpPort, int httpServerPort, int httpsPort, string applicationPath, string tempDirectory)
        {
            ServerAuthorization.AuthorizeServer(udpPort, httpServerPort, httpsPort, applicationPath, tempDirectory);
        }

        public NativeEnvironment Environment
        {
            get
            {
                return new NativeEnvironment
                {
                    OperatingSystem = OperatingSystem.Windows,
                    SystemArchitecture = System.Environment.Is64BitOperatingSystem ? Architecture.X64 : Architecture.X86,
                    OperatingSystemVersionString = System.Environment.OSVersion.VersionString
                };
            }
        }

        public bool SupportsLibraryMonitor
        {
            get { return true; }
        }

        public bool SupportsRunningAsService
        {
            get
            {
                return true;
            }
        }

        public bool IsRunningAsService
        {
            get;
            set;
        }

        public bool CanSelfRestart
        {
            get
            {
                return MainStartup.CanSelfRestart;
            }
        }

        public bool SupportsAutoRunAtStartup
        {
            get
            {
                return true;
            }
        }

        public bool CanSelfUpdate
        {
            get
            {
                return MainStartup.CanSelfUpdate;
            }
        }

        public void Shutdown()
        {
            MainStartup.Shutdown();
        }

        public void Restart(StartupOptions startupOptions)
        {
            MainStartup.Restart();
        }

        public void ConfigureAutoRun(bool autorun)
        {
            var shortcutPath = Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.StartMenu), "Emby", "Emby Server.lnk");

            var startupPath = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Startup);

            if (autorun)
            {
                //Copy our shortut into the startup folder for this user
                var targetPath = Path.Combine(startupPath, Path.GetFileName(shortcutPath) ?? "Emby Server.lnk");
                _fileSystem.CreateDirectory(Path.GetDirectoryName(targetPath));
                File.Copy(shortcutPath, targetPath, true);
            }
            else
            {
                //Remove our shortcut from the startup folder for this user
                _fileSystem.DeleteFile(Path.Combine(startupPath, Path.GetFileName(shortcutPath) ?? "Emby Server.lnk"));
            }
        }

        public INetworkManager CreateNetworkManager(ILogger logger)
        {
            return new NetworkManager(logger);
        }

        public void PreventSystemStandby()
        {
            MainStartup.Invoke(Standby.PreventSleep);
        }

        public void AllowSystemStandby()
        {
            MainStartup.Invoke(Standby.AllowSleep);
        }

        public FFMpegInstallInfo GetFfmpegInstallInfo()
        {
            var info = new FFMpegInstallInfo();

            info.FFMpegFilename = "ffmpeg.exe";
            info.FFProbeFilename = "ffprobe.exe";
            info.Version = "0";

            return info;
        }

        public void LaunchUrl(string url)
        {
            var process = new Process
            {
                StartInfo = new ProcessStartInfo
                {
                    FileName = url
                },

                EnableRaisingEvents = true,
            };

            process.Exited += ProcessExited;

            try
            {
                process.Start();
            }
            catch (Exception ex)
            {
                _logger.ErrorException("Error launching url: {0}", ex, url);

                throw;
            }
        }

        public IDbConnector GetDbConnector()
        {
            return new DbConnector(_logger);
        }

        /// <summary>
        /// Processes the exited.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
        private static void ProcessExited(object sender, EventArgs e)
        {
            ((Process)sender).Dispose();
        }

        public void EnableLoopback(string appName)
        {
            LoopUtil.Run(appName);
        }

        private bool Confirm()
        {
            if (MainStartup._splash == null)
            {
                return false;
            }

            return MessageBox.Show(MainStartup._splash, "Emby has detected that a rule has been added to Windows Firewall that may prevent your other devices from accessing Emby Server. Click OK to remove this rule, or cancel to proceed anyway.", "Windows Firewall", MessageBoxButtons.OKCancel) == DialogResult.OK;
        }

        public bool PortsRequireAuthorization(string applicationPath)
        {
            var appNameSrch = Path.GetFileName(applicationPath);

            var startInfo = new ProcessStartInfo
            {
                FileName = "netsh",

                Arguments = "advfirewall firewall show rule \"" + appNameSrch + "\"",

                CreateNoWindow = true,
                UseShellExecute = false,
                WindowStyle = ProcessWindowStyle.Hidden,
                ErrorDialog = false,
                RedirectStandardOutput = true
            };

            using (var process = Process.Start(startInfo))
            {
                process.Start();

                try
                {
                    var data = process.StandardOutput.ReadToEnd() ?? string.Empty;

                    if (data.IndexOf("Block", StringComparison.OrdinalIgnoreCase) != -1)
                    {
                        _logger.Info("Found potential windows firewall rule blocking Emby Server: " + data);
                        return Confirm();
                    }

                    //var parts = data.Split('\n');

                    //return parts.Length > 4;
                    //return Confirm();
                    return false;
                }
                catch (Exception ex)
                {
                    _logger.ErrorException("Error querying windows firewall", ex);

                    // Hate having to do this
                    try
                    {
                        process.Kill();
                    }
                    catch (Exception ex1)
                    {
                        _logger.ErrorException("Error killing process", ex1);
                    }

                    throw;
                }
            }
        }
    }
}