diff options
Diffstat (limited to 'Emby.IsoMounting/IsoMounter/LinuxIsoManager.cs')
| -rw-r--r-- | Emby.IsoMounting/IsoMounter/LinuxIsoManager.cs | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/Emby.IsoMounting/IsoMounter/LinuxIsoManager.cs b/Emby.IsoMounting/IsoMounter/LinuxIsoManager.cs deleted file mode 100644 index 48cb2e1d5..000000000 --- a/Emby.IsoMounting/IsoMounter/LinuxIsoManager.cs +++ /dev/null @@ -1,298 +0,0 @@ -using System; -using System.Diagnostics; -using System.Globalization; -using System.IO; -using System.Runtime.InteropServices; -using System.Threading; -using System.Threading.Tasks; -using MediaBrowser.Model.IO; -using MediaBrowser.Model.System; -using Microsoft.Extensions.Logging; -using OperatingSystem = MediaBrowser.Common.System.OperatingSystem; - -namespace IsoMounter -{ - /// <summary> - /// The ISO manager implementation for Linux. - /// </summary> - public class LinuxIsoManager : IIsoMounter - { - private const string MountCommand = "mount"; - private const string UnmountCommand = "umount"; - private const string SudoCommand = "sudo"; - - private readonly ILogger _logger; - private readonly string _mountPointRoot; - - /// <summary> - /// Initializes a new instance of the <see cref="LinuxIsoManager" /> class. - /// </summary> - /// <param name="logger">The logger.</param> - public LinuxIsoManager(ILogger logger) - { - _logger = logger; - - _mountPointRoot = Path.DirectorySeparatorChar + "tmp" + Path.DirectorySeparatorChar + "Emby"; - - _logger.LogDebug( - "[{0}] System PATH is currently set to [{1}].", - Name, - Environment.GetEnvironmentVariable("PATH") ?? string.Empty); - - _logger.LogDebug( - "[{0}] System path separator is [{1}].", - Name, - Path.PathSeparator); - - _logger.LogDebug( - "[{0}] Mount point root is [{1}].", - Name, - _mountPointRoot); - } - - /// <inheritdoc /> - public string Name => "LinuxMount"; - -#pragma warning disable SA1300 -#pragma warning disable SA1400 - [DllImport("libc", SetLastError = true)] - static extern uint getuid(); - -#pragma warning restore SA1300 -#pragma warning restore SA1400 - - /// <inheritdoc /> - public bool CanMount(string path) - { - if (OperatingSystem.Id != OperatingSystemId.Linux) - { - return false; - } - - _logger.LogInformation( - "[{0}] Checking we can attempt to mount [{1}], Extension = [{2}], Operating System = [{3}].", - Name, - path, - Path.GetExtension(path), - OperatingSystem.Name); - - return string.Equals(Path.GetExtension(path), ".iso", StringComparison.OrdinalIgnoreCase); - } - - /// <inheritdoc /> - public Task<IIsoMount> Mount(string isoPath, CancellationToken cancellationToken) - { - string cmdArguments; - string cmdFilename; - string mountPoint = Path.Combine(_mountPointRoot, Guid.NewGuid().ToString()); - - if (string.IsNullOrEmpty(isoPath)) - { - throw new ArgumentNullException(nameof(isoPath)); - } - - _logger.LogInformation( - "[{Name}] Attempting to mount [{Path}].", - Name, - isoPath); - - _logger.LogDebug( - "[{Name}] ISO will be mounted at [{Path}].", - Name, - mountPoint); - - try - { - Directory.CreateDirectory(mountPoint); - } - catch (UnauthorizedAccessException ex) - { - throw new IOException("Unable to create mount point(Permission denied) for " + isoPath, ex); - } - catch (Exception ex) - { - throw new IOException("Unable to create mount point for " + isoPath, ex); - } - - if (GetUID() == 0) - { - cmdFilename = MountCommand; - cmdArguments = string.Format( - CultureInfo.InvariantCulture, - "\"{0}\" \"{1}\"", - isoPath, - mountPoint); - } - else - { - cmdFilename = SudoCommand; - cmdArguments = string.Format( - CultureInfo.InvariantCulture, - "\"{0}\" \"{1}\" \"{2}\"", - MountCommand, - isoPath, - mountPoint); - } - - _logger.LogDebug( - "[{0}] Mount command [{1}], mount arguments [{2}].", - Name, - cmdFilename, - cmdArguments); - - int exitcode = ExecuteCommand(cmdFilename, cmdArguments); - if (exitcode == 0) - { - _logger.LogInformation( - "[{0}] ISO mount completed successfully.", - Name); - - return Task.FromResult<IIsoMount>(new LinuxMount(this, isoPath, mountPoint)); - } - - _logger.LogInformation( - "[{0}] ISO mount completed with errors.", - Name); - - try - { - Directory.Delete(mountPoint, false); - } - catch (Exception ex) - { - _logger.LogError(ex, "[{Name}] Unhandled exception removing mount point.", Name); - throw; - } - - throw new ExternalException("Mount command failed", exitcode); - } - - private uint GetUID() - { - var uid = getuid(); - - _logger.LogDebug( - "[{0}] GetUserId() returned [{2}].", - Name, - uid); - - return uid; - } - - private int ExecuteCommand(string cmdFilename, string cmdArguments) - { - var startInfo = new ProcessStartInfo - { - FileName = cmdFilename, - Arguments = cmdArguments, - UseShellExecute = false, - CreateNoWindow = true, - ErrorDialog = false, - RedirectStandardOutput = true, - RedirectStandardError = true - }; - - var process = new Process() - { - StartInfo = startInfo - }; - - try - { - process.Start(); - - _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()); - - return process.ExitCode; - } - catch (Exception ex) - { - _logger.LogDebug(ex, "[{Name}] Unhandled exception executing command.", Name); - throw; - } - finally - { - process?.Dispose(); - } - } - - /// <summary> - /// Unmounts the specified mount. - /// </summary> - /// <param name="mount">The mount.</param> - internal void OnUnmount(LinuxMount mount) - { - if (mount == null) - { - throw new ArgumentNullException(nameof(mount)); - } - - _logger.LogInformation( - "[{0}] Attempting to unmount ISO [{1}] mounted on [{2}].", - Name, - mount.IsoPath, - mount.MountedPath); - - string cmdArguments; - string cmdFilename; - - if (GetUID() == 0) - { - cmdFilename = UnmountCommand; - cmdArguments = string.Format( - CultureInfo.InvariantCulture, - "\"{0}\"", - mount.MountedPath); - } - else - { - cmdFilename = SudoCommand; - cmdArguments = string.Format( - CultureInfo.InvariantCulture, - "\"{0}\" \"{1}\"", - UnmountCommand, - mount.MountedPath); - } - - _logger.LogDebug( - "[{0}] Umount command [{1}], umount arguments [{2}].", - Name, - cmdFilename, - cmdArguments); - - int exitcode = ExecuteCommand(cmdFilename, cmdArguments); - if (exitcode == 0) - { - _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.LogError(ex, "[{Name}] Unhandled exception removing mount point.", Name); - throw; - } - - throw new ExternalException("Mount command failed", exitcode); - } - } -} |