diff options
| -rw-r--r-- | Emby.Server.Implementations/Library/LibraryManager.cs | 68 | ||||
| -rw-r--r-- | Emby.Server.Implementations/Library/PathExtensions.cs | 56 | ||||
| -rw-r--r-- | README.md | 2 | ||||
| -rw-r--r-- | tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs | 26 |
4 files changed, 94 insertions, 58 deletions
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs index d9ffe64b3..0957b8cf7 100644 --- a/Emby.Server.Implementations/Library/LibraryManager.cs +++ b/Emby.Server.Implementations/Library/LibraryManager.cs @@ -2776,6 +2776,7 @@ namespace Emby.Server.Implementations.Library public string GetPathAfterNetworkSubstitution(string path, BaseItem ownerItem) { + string newPath; if (ownerItem != null) { var libraryOptions = GetLibraryOptions(ownerItem); @@ -2783,15 +2784,9 @@ namespace Emby.Server.Implementations.Library { foreach (var pathInfo in libraryOptions.PathInfos) { - if (string.IsNullOrWhiteSpace(pathInfo.Path) || string.IsNullOrWhiteSpace(pathInfo.NetworkPath)) + if (path.TryReplaceSubPath(pathInfo.Path, pathInfo.NetworkPath, out newPath)) { - continue; - } - - var substitutionResult = SubstitutePathInternal(path, pathInfo.Path, pathInfo.NetworkPath); - if (substitutionResult.Item2) - { - return substitutionResult.Item1; + return newPath; } } } @@ -2800,24 +2795,16 @@ namespace Emby.Server.Implementations.Library var metadataPath = _configurationManager.Configuration.MetadataPath; var metadataNetworkPath = _configurationManager.Configuration.MetadataNetworkPath; - if (!string.IsNullOrWhiteSpace(metadataPath) && !string.IsNullOrWhiteSpace(metadataNetworkPath)) + if (path.TryReplaceSubPath(metadataPath, metadataNetworkPath, out newPath)) { - var metadataSubstitutionResult = SubstitutePathInternal(path, metadataPath, metadataNetworkPath); - if (metadataSubstitutionResult.Item2) - { - return metadataSubstitutionResult.Item1; - } + return newPath; } foreach (var map in _configurationManager.Configuration.PathSubstitutions) { - if (!string.IsNullOrWhiteSpace(map.From)) + if (path.TryReplaceSubPath(map.From, map.To, out newPath)) { - var substitutionResult = SubstitutePathInternal(path, map.From, map.To); - if (substitutionResult.Item2) - { - return substitutionResult.Item1; - } + return newPath; } } @@ -2826,47 +2813,12 @@ namespace Emby.Server.Implementations.Library public string SubstitutePath(string path, string from, string to) { - return SubstitutePathInternal(path, from, to).Item1; - } - - private Tuple<string, bool> SubstitutePathInternal(string path, string from, string to) - { - if (string.IsNullOrWhiteSpace(path)) - { - throw new ArgumentNullException(nameof(path)); - } - - if (string.IsNullOrWhiteSpace(from)) + if (path.TryReplaceSubPath(from, to, out var newPath)) { - throw new ArgumentNullException(nameof(from)); + return newPath; } - if (string.IsNullOrWhiteSpace(to)) - { - throw new ArgumentNullException(nameof(to)); - } - - from = from.Trim(); - to = to.Trim(); - - var newPath = path.Replace(from, to, StringComparison.OrdinalIgnoreCase); - var changed = false; - - if (!string.Equals(newPath, path, StringComparison.Ordinal)) - { - if (to.IndexOf('/', StringComparison.Ordinal) != -1) - { - newPath = newPath.Replace('\\', '/'); - } - else - { - newPath = newPath.Replace('/', '\\'); - } - - changed = true; - } - - return new Tuple<string, bool>(newPath, changed); + return path; } private void SetExtraTypeFromFilename(Video item) diff --git a/Emby.Server.Implementations/Library/PathExtensions.cs b/Emby.Server.Implementations/Library/PathExtensions.cs index 06ff3e611..d9e20e19a 100644 --- a/Emby.Server.Implementations/Library/PathExtensions.cs +++ b/Emby.Server.Implementations/Library/PathExtensions.cs @@ -1,6 +1,8 @@ #nullable enable using System; +using System.Diagnostics.CodeAnalysis; +using System.IO; using System.Text.RegularExpressions; namespace Emby.Server.Implementations.Library @@ -47,5 +49,59 @@ namespace Emby.Server.Implementations.Library return null; } + + /// <summary> + /// Replaces a sub path with another sub path and normalizes the final path. + /// </summary> + /// <param name="path">The original path.</param> + /// <param name="subPath">The original sub path.</param> + /// <param name="newSubPath">The new sub path.</param> + /// <param name="newPath">The result of the sub path replacement</param> + /// <returns>The path after replacing the sub path.</returns> + /// <exception cref="ArgumentNullException"><paramref name="path" />, <paramref name="newSubPath" /> or <paramref name="newSubPath" /> is empty.</exception> + public static bool TryReplaceSubPath(this string path, string subPath, string newSubPath, [NotNullWhen(true)] out string? newPath) + { + newPath = null; + + if (path.Length == 0 || subPath.Length == 0 || newSubPath.Length == 0 || subPath.Length > path.Length) + { + return false; + } + + char oldDirectorySeparatorChar; + char newDirectorySeparatorChar; + // True normalization is still not possible https://github.com/dotnet/runtime/issues/2162 + // The reasoning behind this is that a forward slash likely means it's a Linux path and + // so the whole path should be normalized to use / and vice versa for Windows (although Windows doesn't care much). + if (newSubPath.Contains('/', StringComparison.Ordinal)) + { + oldDirectorySeparatorChar = '\\'; + newDirectorySeparatorChar = '/'; + } + else + { + oldDirectorySeparatorChar = '/'; + newDirectorySeparatorChar = '\\'; + } + + path = path.Replace(oldDirectorySeparatorChar, newDirectorySeparatorChar); + subPath = subPath.Replace(oldDirectorySeparatorChar, newDirectorySeparatorChar); + + // We have to ensure that the sub path ends with a directory separator otherwise we'll get weird results + // when the sub path matches a similar but in-complete subpath + var oldSubPathEndsWithSeparator = subPath[^1] == newDirectorySeparatorChar; + if (!path.StartsWith(subPath, StringComparison.OrdinalIgnoreCase) + || (!oldSubPathEndsWithSeparator && path[subPath.Length] != newDirectorySeparatorChar)) + { + return false; + } + + var newSubPathTrimmed = newSubPath.AsSpan().TrimEnd(newDirectorySeparatorChar); + // Ensure that the path with the old subpath removed starts with a leading dir separator + int idx = oldSubPathEndsWithSeparator ? subPath.Length - 1 : subPath.Length; + newPath = string.Concat(newSubPathTrimmed, path.AsSpan(idx)); + + return true; + } } } @@ -85,6 +85,8 @@ Before the project can be built, you must first install the [.NET 5.0 SDK](https Instructions to run this project from the command line are included here, but you will also need to install an IDE if you want to debug the server while it is running. Any IDE that supports .NET Core development will work, but two options are recent versions of [Visual Studio](https://visualstudio.microsoft.com/downloads/) (at least 2017) and [Visual Studio Code](https://code.visualstudio.com/Download). +[ffmpeg](https://github.com/jellyfin/jellyfin-ffmpeg) will also need to be installed. + ### Cloning the Repository After dependencies are installed you will need to clone a local copy of this repository. If you just want to run the server from source you can clone this repository directly, but if you are intending to contribute code changes to the project, you should [set up your own fork](https://jellyfin.org/docs/general/contributing/development.html#set-up-your-copy-of-the-repo) of the repository. The following example shows how you can clone the repository directly over HTTPS. diff --git a/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs b/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs index 6d768af89..a6fe90566 100644 --- a/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs +++ b/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs @@ -24,5 +24,31 @@ namespace Jellyfin.Server.Implementations.Tests.Library { Assert.Throws<ArgumentException>(() => PathExtensions.GetAttributeValue(input, attribute)); } + + [Theory] + [InlineData("C:/Users/jeff/myfile.mkv", "C:/Users/jeff", "/home/jeff", "/home/jeff/myfile.mkv")] + [InlineData("C:/Users/jeff/myfile.mkv", "C:/Users/jeff/", "/home/jeff", "/home/jeff/myfile.mkv")] + [InlineData("/home/jeff/music/jeff's band/consistently inconsistent.mp3", "/home/jeff/music/jeff's band", "/home/not jeff", "/home/not jeff/consistently inconsistent.mp3")] + [InlineData("C:\\Users\\jeff\\myfile.mkv", "C:\\Users/jeff", "/home/jeff", "/home/jeff/myfile.mkv")] + [InlineData("C:\\Users\\jeff\\myfile.mkv", "C:\\Users/jeff", "/home/jeff/", "/home/jeff/myfile.mkv")] + [InlineData("C:\\Users\\jeff\\myfile.mkv", "C:\\Users/jeff/", "/home/jeff/", "/home/jeff/myfile.mkv")] + [InlineData("C:\\Users\\jeff\\myfile.mkv", "C:\\Users/jeff/", "/", "/myfile.mkv")] + public void TryReplaceSubPath_ValidArgs_Correct(string path, string subPath, string newSubPath, string? expectedResult) + { + Assert.True(PathExtensions.TryReplaceSubPath(path, subPath, newSubPath, out var result)); + Assert.Equal(expectedResult, result); + } + + [Theory] + [InlineData("", "", "")] + [InlineData("/my/path", "", "")] + [InlineData("", "/another/path", "")] + [InlineData("", "", "/new/subpath")] + [InlineData("/home/jeff/music/jeff's band/consistently inconsistent.mp3", "/home/jeff/music/not jeff's band", "/home/not jeff")] + public void TryReplaceSubPath_InvalidInput_ReturnsFalseAndNull(string path, string subPath, string newSubPath) + { + Assert.False(PathExtensions.TryReplaceSubPath(path, subPath, newSubPath, out var result)); + Assert.Null(result); + } } } |