diff options
Diffstat (limited to 'Emby.IsoMounting/IsoMounter/LinuxIsoManager.cs')
| -rw-r--r-- | Emby.IsoMounting/IsoMounter/LinuxIsoManager.cs | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/Emby.IsoMounting/IsoMounter/LinuxIsoManager.cs b/Emby.IsoMounting/IsoMounter/LinuxIsoManager.cs deleted file mode 100644 index 943caa3e6..000000000 --- a/Emby.IsoMounting/IsoMounter/LinuxIsoManager.cs +++ /dev/null @@ -1,479 +0,0 @@ -using System; -using System.IO; -using System.Runtime.InteropServices; -using System.Threading; -using System.Threading.Tasks; -using MediaBrowser.Model.Diagnostics; -using MediaBrowser.Model.IO; -using MediaBrowser.Model.System; -using Microsoft.Extensions.Logging; - -namespace IsoMounter -{ - public class LinuxIsoManager : IIsoMounter - { - [DllImport("libc", SetLastError = true)] - static extern uint getuid(); - - #region Private Fields - - private readonly IEnvironmentInfo EnvironmentInfo; - private readonly bool ExecutablesAvailable; - private readonly ILogger _logger; - private readonly string MountCommand; - private readonly string MountPointRoot; - private readonly IProcessFactory ProcessFactory; - private readonly string SudoCommand; - private readonly string UmountCommand; - - #endregion - - #region Constructor(s) - - public LinuxIsoManager(ILogger logger, IEnvironmentInfo environment, IProcessFactory processFactory) - { - - EnvironmentInfo = environment; - _logger = logger; - ProcessFactory = processFactory; - - MountPointRoot = Path.DirectorySeparatorChar + "tmp" + Path.DirectorySeparatorChar + "Emby"; - - _logger.LogDebug( - "[{0}] System PATH is currently set to [{1}].", - Name, - Environment.GetEnvironmentVariable("PATH") ?? "" - ); - - _logger.LogDebug( - "[{0}] System path separator is [{1}].", - Name, - Path.PathSeparator - ); - - _logger.LogDebug( - "[{0}] Mount point root is [{1}].", - Name, - MountPointRoot - ); - - // - // Get the location of the executables we need to support mounting/unmounting ISO images. - // - - SudoCommand = GetFullPathForExecutable("sudo"); - - _logger.LogInformation( - "[{0}] Using version of [sudo] located at [{1}].", - Name, - SudoCommand - ); - - MountCommand = GetFullPathForExecutable("mount"); - - _logger.LogInformation( - "[{0}] Using version of [mount] located at [{1}].", - Name, - MountCommand - ); - - UmountCommand = GetFullPathForExecutable("umount"); - - _logger.LogInformation( - "[{0}] Using version of [umount] located at [{1}].", - Name, - UmountCommand - ); - - if (!string.IsNullOrEmpty(SudoCommand) && !string.IsNullOrEmpty(MountCommand) && !string.IsNullOrEmpty(UmountCommand)) - { - ExecutablesAvailable = true; - } - else - { - ExecutablesAvailable = false; - } - - } - - #endregion - - #region Interface Implementation for IIsoMounter - - public bool IsInstalled => true; - - public string Name => "LinuxMount"; - - public bool RequiresInstallation => false; - - public bool CanMount(string path) - { - - if (EnvironmentInfo.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.Linux) - { - return false; - } - _logger.LogInformation( - "[{0}] Checking we can attempt to mount [{1}], Extension = [{2}], Operating System = [{3}], Executables Available = [{4}].", - Name, - path, - Path.GetExtension(path), - EnvironmentInfo.OperatingSystem, - ExecutablesAvailable - ); - - if (ExecutablesAvailable) - { - return string.Equals(Path.GetExtension(path), ".iso", StringComparison.OrdinalIgnoreCase); - } - else - { - return false; - } - } - - public Task Install(CancellationToken cancellationToken) - { - return Task.FromResult(false); - } - - public Task<IIsoMount> Mount(string isoPath, CancellationToken cancellationToken) - { - if (MountISO(isoPath, out LinuxMount mountedISO)) - { - return Task.FromResult<IIsoMount>(mountedISO); - } - else - { - throw new IOException(string.Format( - "An error occurred trying to mount image [$0].", - isoPath - )); - } - } - - #endregion - - #region Interface Implementation for IDisposable - - // Flag: Has Dispose already been called? - private bool disposed = false; - - public void Dispose() - { - - // Dispose of unmanaged resources. - Dispose(true); - - // Suppress finalization. - GC.SuppressFinalize(this); - - } - - protected virtual void Dispose(bool disposing) - { - - if (disposed) - { - return; - } - - _logger.LogInformation( - "[{0}] Disposing [{1}].", - Name, - disposing - ); - - if (disposing) - { - - // - // Free managed objects here. - // - - } - - // - // Free any unmanaged objects here. - // - - disposed = true; - - } - - #endregion - - #region Private Methods - - private string GetFullPathForExecutable(string name) - { - - foreach (string test in (Environment.GetEnvironmentVariable("PATH") ?? "").Split(Path.PathSeparator)) - { - string path = test.Trim(); - - if (!string.IsNullOrEmpty(path) && File.Exists(path = Path.Combine(path, name))) - { - return Path.GetFullPath(path); - } - } - - return string.Empty; - } - - private uint GetUID() - { - - var uid = getuid(); - - _logger.LogDebug( - "[{0}] GetUserId() returned [{2}].", - Name, - uid - ); - - return uid; - - } - - private bool ExecuteCommand(string cmdFilename, string cmdArguments) - { - - bool processFailed = false; - - var process = ProcessFactory.Create( - new ProcessOptions - { - CreateNoWindow = true, - RedirectStandardOutput = true, - RedirectStandardError = true, - UseShellExecute = false, - FileName = cmdFilename, - Arguments = cmdArguments, - IsHidden = true, - ErrorDialog = false, - EnableRaisingEvents = true - } - ); - - try - { - process.Start(); - - //StreamReader outputReader = process.StandardOutput.; - //StreamReader errorReader = process.StandardError; - - _logger.LogDebug( - "[{Name}] Standard output from process is [{Error}].", - Name, - process.StandardOutput.ReadToEnd() - ); - - _logger.LogDebug( - "[{Name}] Standard error from process is [{Error}].", - Name, - process.StandardError.ReadToEnd() - ); - } - catch (Exception ex) - { - processFailed = true; - _logger.LogDebug(ex, "[{Name}] Unhandled exception executing command.", Name); - } - - if (!processFailed && process.ExitCode == 0) - { - return true; - } - else - { - return false; - } - - } - - private bool MountISO(string isoPath, out LinuxMount mountedISO) - { - - string cmdArguments; - string cmdFilename; - string mountPoint = Path.Combine(MountPointRoot, Guid.NewGuid().ToString()); - - if (!string.IsNullOrEmpty(isoPath)) - { - - _logger.LogInformation( - "[{Name}] Attempting to mount [{Path}].", - Name, - isoPath - ); - - _logger.LogDebug( - "[{Name}] ISO will be mounted at [{Path}].", - Name, - mountPoint - ); - - } - else - { - - throw new ArgumentNullException(nameof(isoPath)); - - } - - try - { - Directory.CreateDirectory(mountPoint); - } - catch (UnauthorizedAccessException) - { - throw new IOException("Unable to create mount point(Permission denied) for " + isoPath); - } - catch (Exception) - { - throw new IOException("Unable to create mount point for " + isoPath); - } - - if (GetUID() == 0) - { - cmdFilename = MountCommand; - cmdArguments = string.Format("\"{0}\" \"{1}\"", isoPath, mountPoint); - } - else - { - cmdFilename = SudoCommand; - cmdArguments = string.Format("\"{0}\" \"{1}\" \"{2}\"", MountCommand, isoPath, mountPoint); - } - - _logger.LogDebug( - "[{0}] Mount command [{1}], mount arguments [{2}].", - Name, - cmdFilename, - cmdArguments - ); - - if (ExecuteCommand(cmdFilename, cmdArguments)) - { - - _logger.LogInformation( - "[{0}] ISO mount completed successfully.", - Name - ); - - mountedISO = new LinuxMount(this, isoPath, mountPoint); - - } - else - { - - _logger.LogInformation( - "[{0}] ISO mount completed with errors.", - Name - ); - - try - { - Directory.Delete(mountPoint, false); - } - catch (Exception ex) - { - _logger.LogInformation(ex, "[{Name}] Unhandled exception removing mount point.", Name); - } - - mountedISO = null; - - } - - return mountedISO != null; - - } - - private void UnmountISO(LinuxMount mount) - { - - string cmdArguments; - string cmdFilename; - - if (mount != null) - { - - _logger.LogInformation( - "[{0}] Attempting to unmount ISO [{1}] mounted on [{2}].", - Name, - mount.IsoPath, - mount.MountedPath - ); - - } - else - { - - throw new ArgumentNullException(nameof(mount)); - - } - - if (GetUID() == 0) - { - cmdFilename = UmountCommand; - cmdArguments = string.Format("\"{0}\"", mount.MountedPath); - } - else - { - cmdFilename = SudoCommand; - cmdArguments = string.Format("\"{0}\" \"{1}\"", UmountCommand, mount.MountedPath); - } - - _logger.LogDebug( - "[{0}] Umount command [{1}], umount arguments [{2}].", - Name, - cmdFilename, - cmdArguments - ); - - if (ExecuteCommand(cmdFilename, cmdArguments)) - { - - _logger.LogInformation( - "[{0}] ISO unmount completed successfully.", - Name - ); - - } - else - { - - _logger.LogInformation( - "[{0}] ISO unmount completed with errors.", - Name - ); - - } - - try - { - Directory.Delete(mount.MountedPath, false); - } - catch (Exception ex) - { - _logger.LogInformation(ex, "[{Name}] Unhandled exception removing mount point.", Name); - } - } - - #endregion - - #region Internal Methods - - internal void OnUnmount(LinuxMount mount) - { - - UnmountISO(mount); - - } - - #endregion - - } - -} - |