diff options
Diffstat (limited to 'MediaBrowser.Common.Implementations/IO/CommonFileSystem.cs')
| -rw-r--r-- | MediaBrowser.Common.Implementations/IO/CommonFileSystem.cs | 160 |
1 files changed, 57 insertions, 103 deletions
diff --git a/MediaBrowser.Common.Implementations/IO/CommonFileSystem.cs b/MediaBrowser.Common.Implementations/IO/CommonFileSystem.cs index 616981d50..d00494bac 100644 --- a/MediaBrowser.Common.Implementations/IO/CommonFileSystem.cs +++ b/MediaBrowser.Common.Implementations/IO/CommonFileSystem.cs @@ -82,6 +82,16 @@ namespace MediaBrowser.Common.Implementations.IO throw new ArgumentNullException("target"); } + if (string.IsNullOrEmpty(shortcutPath)) + { + throw new ArgumentNullException("shortcutPath"); + } + + if (string.IsNullOrEmpty(target)) + { + throw new ArgumentNullException("target"); + } + File.WriteAllText(shortcutPath, target); } @@ -92,6 +102,11 @@ namespace MediaBrowser.Common.Implementations.IO /// <returns>FileSystemInfo.</returns> public FileSystemInfo GetFileSystemInfo(string path) { + if (string.IsNullOrEmpty(path)) + { + throw new ArgumentNullException("path"); + } + // Take a guess to try and avoid two file system hits, but we'll double-check by calling Exists if (Path.HasExtension(path)) { @@ -172,7 +187,6 @@ namespace MediaBrowser.Common.Implementations.IO /// Gets the creation time UTC. /// </summary> /// <param name="info">The info.</param> - /// <param name="logger">The logger.</param> /// <returns>DateTime.</returns> public DateTime GetLastWriteTimeUtc(FileSystemInfo info) { @@ -224,6 +238,16 @@ namespace MediaBrowser.Common.Implementations.IO /// <param name="file2">The file2.</param> public void SwapFiles(string file1, string file2) { + if (string.IsNullOrEmpty(file1)) + { + throw new ArgumentNullException("file1"); + } + + if (string.IsNullOrEmpty(file2)) + { + throw new ArgumentNullException("file2"); + } + var temp1 = Path.GetTempFileName(); var temp2 = Path.GetTempFileName(); @@ -247,6 +271,11 @@ namespace MediaBrowser.Common.Implementations.IO /// <param name="path">The path.</param> private void RemoveHiddenAttribute(string path) { + if (string.IsNullOrEmpty(path)) + { + throw new ArgumentNullException("path"); + } + var currentFile = new FileInfo(path); // This will fail if the file is hidden @@ -258,127 +287,52 @@ namespace MediaBrowser.Common.Implementations.IO } } } - } - /// <summary> - /// Adapted from http://stackoverflow.com/questions/309495/windows-shortcut-lnk-parser-in-java - /// </summary> - internal class WindowsShortcut - { - public bool IsDirectory { get; private set; } - public bool IsLocal { get; private set; } - public string ResolvedPath { get; private set; } - - public WindowsShortcut(string file) + public bool ContainsSubPath(string parentPath, string path) { - ParseLink(File.ReadAllBytes(file), Encoding.UTF8); - } - - private static bool isMagicPresent(byte[] link) - { - - const int magic = 0x0000004C; - const int magic_offset = 0x00; - - return link.Length >= 32 && bytesToDword(link, magic_offset) == magic; - } - - /** - * Gobbles up link data by parsing it and storing info in member fields - * @param link all the bytes from the .lnk file - */ - private void ParseLink(byte[] link, Encoding encoding) - { - if (!isMagicPresent(link)) - throw new IOException("Invalid shortcut; magic is missing", 0); - - // get the flags byte - byte flags = link[0x14]; - - // get the file attributes byte - const int file_atts_offset = 0x18; - byte file_atts = link[file_atts_offset]; - byte is_dir_mask = (byte)0x10; - if ((file_atts & is_dir_mask) > 0) - { - IsDirectory = true; - } - else + if (string.IsNullOrEmpty(parentPath)) { - IsDirectory = false; + throw new ArgumentNullException("parentPath"); } - // if the shell settings are present, skip them - const int shell_offset = 0x4c; - const byte has_shell_mask = (byte)0x01; - int shell_len = 0; - if ((flags & has_shell_mask) > 0) + if (string.IsNullOrEmpty(path)) { - // the plus 2 accounts for the length marker itself - shell_len = bytesToWord(link, shell_offset) + 2; + throw new ArgumentNullException("path"); } + + return path.IndexOf(parentPath.TrimEnd(Path.DirectorySeparatorChar) + Path.DirectorySeparatorChar, StringComparison.OrdinalIgnoreCase) != -1; + } - // get to the file settings - int file_start = 0x4c + shell_len; - - const int file_location_info_flag_offset_offset = 0x08; - int file_location_info_flag = link[file_start + file_location_info_flag_offset_offset]; - IsLocal = (file_location_info_flag & 2) == 0; - // get the local volume and local system values - //final int localVolumeTable_offset_offset = 0x0C; - const int basename_offset_offset = 0x10; - const int networkVolumeTable_offset_offset = 0x14; - const int finalname_offset_offset = 0x18; - int finalname_offset = link[file_start + finalname_offset_offset] + file_start; - String finalname = getNullDelimitedString(link, finalname_offset, encoding); - if (IsLocal) + public bool IsRootPath(string path) + { + if (string.IsNullOrEmpty(path)) { - int basename_offset = link[file_start + basename_offset_offset] + file_start; - String basename = getNullDelimitedString(link, basename_offset, encoding); - ResolvedPath = basename + finalname; + throw new ArgumentNullException("path"); } - else + + var parent = Path.GetDirectoryName(path); + + if (!string.IsNullOrEmpty(parent)) { - int networkVolumeTable_offset = link[file_start + networkVolumeTable_offset_offset] + file_start; - int shareName_offset_offset = 0x08; - int shareName_offset = link[networkVolumeTable_offset + shareName_offset_offset] - + networkVolumeTable_offset; - String shareName = getNullDelimitedString(link, shareName_offset, encoding); - ResolvedPath = shareName + "\\" + finalname; + return false; } + + return true; } - private static string getNullDelimitedString(byte[] bytes, int off, Encoding encoding) + public string NormalizePath(string path) { - int len = 0; - - // count bytes until the null character (0) - while (true) + if (string.IsNullOrEmpty(path)) { - if (bytes[off + len] == 0) - { - break; - } - len++; + throw new ArgumentNullException("path"); } - return encoding.GetString(bytes, off, len); - } - - /* - * convert two bytes into a short note, this is little endian because it's - * for an Intel only OS. - */ - private static int bytesToWord(byte[] bytes, int off) - { - return ((bytes[off + 1] & 0xff) << 8) | (bytes[off] & 0xff); - } + if (path.EndsWith(":\\", StringComparison.OrdinalIgnoreCase)) + { + return path; + } - private static int bytesToDword(byte[] bytes, int off) - { - return (bytesToWord(bytes, off + 2) << 16) | bytesToWord(bytes, off); + return path.TrimEnd(Path.DirectorySeparatorChar); } - } - } |