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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Jellyfin.Extensions;
using MediaBrowser.Common.Configuration;
namespace Emby.Server.Implementations.AppBase
{
/// <summary>
/// Provides a base class to hold common application paths used by both the UI and Server.
/// This can be subclassed to add application-specific paths.
/// </summary>
public abstract class BaseApplicationPaths : IApplicationPaths
{
/// <summary>
/// Initializes a new instance of the <see cref="BaseApplicationPaths"/> class.
/// </summary>
/// <param name="programDataPath">The program data path.</param>
/// <param name="logDirectoryPath">The log directory path.</param>
/// <param name="configurationDirectoryPath">The configuration directory path.</param>
/// <param name="cacheDirectoryPath">The cache directory path.</param>
/// <param name="webDirectoryPath">The web directory path.</param>
protected BaseApplicationPaths(
string programDataPath,
string logDirectoryPath,
string configurationDirectoryPath,
string cacheDirectoryPath,
string webDirectoryPath)
{
ProgramDataPath = programDataPath;
LogDirectoryPath = logDirectoryPath;
ConfigurationDirectoryPath = configurationDirectoryPath;
CachePath = cacheDirectoryPath;
WebPath = webDirectoryPath;
DataPath = Directory.CreateDirectory(Path.Combine(ProgramDataPath, "data")).FullName;
}
/// <inheritdoc/>
public string ProgramDataPath { get; }
/// <inheritdoc/>
public string WebPath { get; }
/// <inheritdoc/>
public string ProgramSystemPath { get; } = AppContext.BaseDirectory;
/// <inheritdoc/>
public string DataPath { get; }
/// <inheritdoc />
public string VirtualDataPath => "%AppDataPath%";
/// <inheritdoc/>
public string ImageCachePath => Path.Combine(CachePath, "images");
/// <inheritdoc/>
public string PluginsPath => Path.Combine(ProgramDataPath, "plugins");
/// <inheritdoc/>
public string PluginConfigurationsPath => Path.Combine(PluginsPath, "configurations");
/// <inheritdoc/>
public string LogDirectoryPath { get; }
/// <inheritdoc/>
public string ConfigurationDirectoryPath { get; }
/// <inheritdoc/>
public string SystemConfigurationFilePath => Path.Combine(ConfigurationDirectoryPath, "system.xml");
/// <inheritdoc/>
public string CachePath { get; set; }
/// <inheritdoc/>
public string TempDirectory => Path.Join(Path.GetTempPath(), "jellyfin");
/// <inheritdoc />
public string TrickplayPath => Path.Combine(DataPath, "trickplay");
/// <inheritdoc />
public string BackupPath => Path.Combine(DataPath, "backups");
/// <inheritdoc />
public virtual void MakeSanityCheckOrThrow()
{
CreateAndCheckMarker(ConfigurationDirectoryPath, "config");
CreateAndCheckMarker(LogDirectoryPath, "log");
CreateAndCheckMarker(PluginsPath, "plugin");
CreateAndCheckMarker(ProgramDataPath, "data");
CreateAndCheckMarker(CachePath, "cache");
CreateAndCheckMarker(DataPath, "data");
}
/// <inheritdoc />
public void CreateAndCheckMarker(string path, string markerName, bool recursive = false)
{
Directory.CreateDirectory(path);
CheckOrCreateMarker(path, $".jellyfin-{markerName}", recursive);
}
private IEnumerable<string> GetMarkers(string path, bool recursive = false)
{
return Directory.EnumerateFiles(path, ".jellyfin-*", recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly);
}
private void CheckOrCreateMarker(string path, string markerName, bool recursive = false)
{
string? otherMarkers = null;
try
{
otherMarkers = GetMarkers(path, recursive).FirstOrDefault(e => !Path.GetFileName(e.AsSpan()).Equals(markerName, StringComparison.OrdinalIgnoreCase));
}
catch
{
// Error while checking for marker files, assume none exist and keep going
// TODO: add some logging
}
if (otherMarkers is not null)
{
throw new InvalidOperationException($"Expected to find only {markerName} but found marker for {otherMarkers}.");
}
var markerPath = Path.Combine(path, markerName);
if (!File.Exists(markerPath))
{
FileHelper.CreateEmpty(markerPath);
}
}
}
}
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