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jellyfin/Emby.Server.Implementations/Updates/InstallationManager.cs

574 lines
22 KiB

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Net.Http;
using System.Net.Http.Json;
using System.Security.Cryptography;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Data.Events;
using Jellyfin.Extensions.Json;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Net;
using MediaBrowser.Common.Plugins;
using MediaBrowser.Common.Updates;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Events;
using MediaBrowser.Controller.Events.Updates;
using MediaBrowser.Model.Plugins;
using MediaBrowser.Model.Updates;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Updates
{
/// <summary>
/// Manages all install, uninstall, and update operations for the system and individual plugins.
/// </summary>
public class InstallationManager : IInstallationManager
{
/// <summary>
/// The logger.
/// </summary>
private readonly ILogger<InstallationManager> _logger;
private readonly IApplicationPaths _appPaths;
private readonly IEventManager _eventManager;
private readonly IHttpClientFactory _httpClientFactory;
private readonly IServerConfigurationManager _config;
private readonly JsonSerializerOptions _jsonSerializerOptions;
private readonly IPluginManager _pluginManager;
/// <summary>
/// Gets the application host.
/// </summary>
/// <value>The application host.</value>
private readonly IServerApplicationHost _applicationHost;
private readonly object _currentInstallationsLock = new object();
/// <summary>
/// The current installations.
/// </summary>
private readonly List<(InstallationInfo Info, CancellationTokenSource Token)> _currentInstallations;
/// <summary>
/// The completed installations.
/// </summary>
private readonly ConcurrentBag<InstallationInfo> _completedInstallationsInternal;
/// <summary>
/// Initializes a new instance of the <see cref="InstallationManager"/> class.
/// </summary>
/// <param name="logger">The <see cref="ILogger{InstallationManager}"/>.</param>
/// <param name="appHost">The <see cref="IServerApplicationHost"/>.</param>
/// <param name="appPaths">The <see cref="IApplicationPaths"/>.</param>
/// <param name="eventManager">The <see cref="IEventManager"/>.</param>
/// <param name="httpClientFactory">The <see cref="IHttpClientFactory"/>.</param>
/// <param name="config">The <see cref="IServerConfigurationManager"/>.</param>
/// <param name="pluginManager">The <see cref="IPluginManager"/>.</param>
public InstallationManager(
ILogger<InstallationManager> logger,
IServerApplicationHost appHost,
IApplicationPaths appPaths,
IEventManager eventManager,
IHttpClientFactory httpClientFactory,
IServerConfigurationManager config,
IPluginManager pluginManager)
{
_currentInstallations = new List<(InstallationInfo, CancellationTokenSource)>();
_completedInstallationsInternal = new ConcurrentBag<InstallationInfo>();
_logger = logger;
_applicationHost = appHost;
_appPaths = appPaths;
_eventManager = eventManager;
_httpClientFactory = httpClientFactory;
_config = config;
_jsonSerializerOptions = JsonDefaults.Options;
_pluginManager = pluginManager;
}
/// <inheritdoc />
public IEnumerable<InstallationInfo> CompletedInstallations => _completedInstallationsInternal;
/// <inheritdoc />
public async Task<PackageInfo[]> GetPackages(string manifestName, string manifest, bool filterIncompatible, CancellationToken cancellationToken = default)
{
try
{
PackageInfo[]? packages = await _httpClientFactory.CreateClient(NamedClient.Default)
.GetFromJsonAsync<PackageInfo[]>(new Uri(manifest), _jsonSerializerOptions, cancellationToken).ConfigureAwait(false);
if (packages is null)
{
return Array.Empty<PackageInfo>();
}
var minimumVersion = new Version(0, 0, 0, 1);
// Store the repository and repository url with each version, as they may be spread apart.
foreach (var entry in packages)
{
for (int a = entry.Versions.Count - 1; a >= 0; a--)
{
var ver = entry.Versions[a];
ver.RepositoryName = manifestName;
ver.RepositoryUrl = manifest;
if (!filterIncompatible)
{
continue;
}
if (!Version.TryParse(ver.TargetAbi, out var targetAbi))
{
targetAbi = minimumVersion;
}
// Only show plugins that are greater than or equal to targetAbi.
if (_applicationHost.ApplicationVersion >= targetAbi)
{
continue;
}
// Not compatible with this version so remove it.
entry.Versions.Remove(ver);
}
}
return packages;
}
catch (IOException ex)
{
_logger.LogError(ex, "Cannot locate the plugin manifest {Manifest}", manifest);
return Array.Empty<PackageInfo>();
}
catch (JsonException ex)
{
_logger.LogError(ex, "Failed to deserialize the plugin manifest retrieved from {Manifest}", manifest);
return Array.Empty<PackageInfo>();
}
catch (UriFormatException ex)
{
_logger.LogError(ex, "The URL configured for the plugin repository manifest URL is not valid: {Manifest}", manifest);
return Array.Empty<PackageInfo>();
}
catch (HttpRequestException ex)
{
_logger.LogError(ex, "An error occurred while accessing the plugin manifest: {Manifest}", manifest);
return Array.Empty<PackageInfo>();
}
}
/// <inheritdoc />
public async Task<IReadOnlyList<PackageInfo>> GetAvailablePackages(CancellationToken cancellationToken = default)
{
var result = new List<PackageInfo>();
foreach (RepositoryInfo repository in _config.Configuration.PluginRepositories)
{
if (repository.Enabled && repository.Url is not null)
{
// Where repositories have the same content, the details from the first is taken.
foreach (var package in await GetPackages(repository.Name ?? "Unnamed Repo", repository.Url, true, cancellationToken).ConfigureAwait(true))
{
var existing = FilterPackages(result, package.Name, package.Id).FirstOrDefault();
// Remove invalid versions from the valid package.
for (var i = package.Versions.Count - 1; i >= 0; i--)
{
var version = package.Versions[i];
var plugin = _pluginManager.GetPlugin(package.Id, version.VersionNumber);
if (plugin is not null)
{
await _pluginManager.GenerateManifest(package, version.VersionNumber, plugin.Path, plugin.Manifest.Status).ConfigureAwait(false);
}
// Remove versions with a target ABI greater then the current application version.
if (Version.TryParse(version.TargetAbi, out var targetAbi) && _applicationHost.ApplicationVersion < targetAbi)
{
package.Versions.RemoveAt(i);
}
}
// Don't add a package that doesn't have any compatible versions.
if (package.Versions.Count == 0)
{
continue;
}
if (existing is not null)
{
// Assumption is both lists are ordered, so slot these into the correct place.
MergeSortedList(existing.Versions, package.Versions);
}
else
{
result.Add(package);
}
}
}
}
return result;
}
/// <inheritdoc />
public IEnumerable<PackageInfo> FilterPackages(
IEnumerable<PackageInfo> availablePackages,
string? name = null,
Guid id = default,
Version? specificVersion = null)
{
if (name is not null)
{
availablePackages = availablePackages.Where(x => x.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
}
if (!id.Equals(default))
{
availablePackages = availablePackages.Where(x => x.Id.Equals(id));
}
if (specificVersion is not null)
{
availablePackages = availablePackages.Where(x => x.Versions.Any(y => y.VersionNumber.Equals(specificVersion)));
}
return availablePackages;
}
/// <inheritdoc />
public IEnumerable<InstallationInfo> GetCompatibleVersions(
IEnumerable<PackageInfo> availablePackages,
string? name = null,
Guid id = default,
Version? minVersion = null,
Version? specificVersion = null)
{
var package = FilterPackages(availablePackages, name, id, specificVersion).FirstOrDefault();
// Package not found in repository
if (package is null)
{
yield break;
}
var appVer = _applicationHost.ApplicationVersion;
var availableVersions = package.Versions
.Where(x => string.IsNullOrEmpty(x.TargetAbi) || Version.Parse(x.TargetAbi) <= appVer);
if (specificVersion is not null)
{
availableVersions = availableVersions.Where(x => x.VersionNumber.Equals(specificVersion));
}
else if (minVersion is not null)
{
availableVersions = availableVersions.Where(x => x.VersionNumber >= minVersion);
}
foreach (var v in availableVersions.OrderByDescending(x => x.VersionNumber))
{
yield return new InstallationInfo
{
Changelog = v.Changelog,
Id = package.Id,
Name = package.Name,
Version = v.VersionNumber,
SourceUrl = v.SourceUrl,
Checksum = v.Checksum,
PackageInfo = package
};
}
}
/// <inheritdoc />
public async Task<IEnumerable<InstallationInfo>> GetAvailablePluginUpdates(CancellationToken cancellationToken = default)
{
var catalog = await GetAvailablePackages(cancellationToken).ConfigureAwait(false);
return GetAvailablePluginUpdates(catalog);
}
/// <inheritdoc />
public async Task InstallPackage(InstallationInfo package, CancellationToken cancellationToken)
{
ArgumentNullException.ThrowIfNull(package);
var innerCancellationTokenSource = new CancellationTokenSource();
var tuple = (package, innerCancellationTokenSource);
// Add it to the in-progress list
lock (_currentInstallationsLock)
{
_currentInstallations.Add(tuple);
}
using var linkedTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, innerCancellationTokenSource.Token);
var linkedToken = linkedTokenSource.Token;
await _eventManager.PublishAsync(new PluginInstallingEventArgs(package)).ConfigureAwait(false);
try
{
var isUpdate = await InstallPackageInternal(package, linkedToken).ConfigureAwait(false);
lock (_currentInstallationsLock)
{
_currentInstallations.Remove(tuple);
}
_completedInstallationsInternal.Add(package);
await _eventManager.PublishAsync(isUpdate
? (GenericEventArgs<InstallationInfo>)new PluginUpdatedEventArgs(package)
: new PluginInstalledEventArgs(package)).ConfigureAwait(false);
_applicationHost.NotifyPendingRestart();
}
catch (OperationCanceledException)
{
lock (_currentInstallationsLock)
{
_currentInstallations.Remove(tuple);
}
_logger.LogInformation("Package installation cancelled: {0} {1}", package.Name, package.Version);
await _eventManager.PublishAsync(new PluginInstallationCancelledEventArgs(package)).ConfigureAwait(false);
throw;
}
catch (Exception ex)
{
_logger.LogError(ex, "Package installation failed");
lock (_currentInstallationsLock)
{
_currentInstallations.Remove(tuple);
}
await _eventManager.PublishAsync(new InstallationFailedEventArgs
{
InstallationInfo = package,
Exception = ex
}).ConfigureAwait(false);
throw;
}
finally
{
// Dispose the progress object and remove the installation from the in-progress list
tuple.innerCancellationTokenSource.Dispose();
}
}
/// <summary>
/// Uninstalls a plugin.
/// </summary>
/// <param name="plugin">The <see cref="LocalPlugin"/> to uninstall.</param>
public void UninstallPlugin(LocalPlugin plugin)
{
if (plugin is null)
{
return;
}
if (plugin.Instance?.CanUninstall == false)
{
_logger.LogWarning("Attempt to delete non removable plugin {PluginName}, ignoring request", plugin.Name);
return;
}
plugin.Instance?.OnUninstalling();
// Remove it the quick way for now
_pluginManager.RemovePlugin(plugin);
_eventManager.Publish(new PluginUninstalledEventArgs(plugin.GetPluginInfo()));
_applicationHost.NotifyPendingRestart();
}
/// <inheritdoc/>
public bool CancelInstallation(Guid id)
{
lock (_currentInstallationsLock)
{
var install = _currentInstallations.Find(x => x.Info.Id.Equals(id));
if (install == default((InstallationInfo, CancellationTokenSource)))
{
return false;
}
install.Token.Cancel();
_currentInstallations.Remove(install);
return true;
}
}
/// <inheritdoc />
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
/// <summary>
/// Releases unmanaged and optionally managed resources.
/// </summary>
/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources or <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool dispose)
{
if (dispose)
{
lock (_currentInstallationsLock)
{
foreach (var (info, token) in _currentInstallations)
{
token.Dispose();
}
_currentInstallations.Clear();
}
}
}
/// <summary>
/// Merges two sorted lists.
/// </summary>
/// <param name="source">The source <see cref="IList{VersionInfo}"/> instance to merge.</param>
/// <param name="dest">The destination <see cref="IList{VersionInfo}"/> instance to merge with.</param>
private static void MergeSortedList(IList<VersionInfo> source, IList<VersionInfo> dest)
{
int sLength = source.Count - 1;
int dLength = dest.Count;
int s = 0, d = 0;
var sourceVersion = source[0].VersionNumber;
var destVersion = dest[0].VersionNumber;
while (d < dLength)
{
if (sourceVersion.CompareTo(destVersion) >= 0)
{
if (s < sLength)
{
sourceVersion = source[++s].VersionNumber;
}
else
{
// Append all of destination to the end of source.
while (d < dLength)
{
source.Add(dest[d++]);
}
break;
}
}
else
{
source.Insert(s++, dest[d++]);
if (d >= dLength)
{
break;
}
sLength++;
destVersion = dest[d].VersionNumber;
}
}
}
private IEnumerable<InstallationInfo> GetAvailablePluginUpdates(IReadOnlyList<PackageInfo> pluginCatalog)
{
var plugins = _pluginManager.Plugins;
foreach (var plugin in plugins)
{
// Don't auto update when plugin marked not to, or when it's disabled.
if (plugin.Manifest?.AutoUpdate == false || plugin.Manifest?.Status == PluginStatus.Disabled)
{
continue;
}
var compatibleVersions = GetCompatibleVersions(pluginCatalog, plugin.Name, plugin.Id, minVersion: plugin.Version);
var version = compatibleVersions.FirstOrDefault(y => y.Version > plugin.Version);
if (version is not null && CompletedInstallations.All(x => !x.Id.Equals(version.Id)))
{
yield return version;
}
}
}
private async Task PerformPackageInstallation(InstallationInfo package, PluginStatus status, CancellationToken cancellationToken)
{
var extension = Path.GetExtension(package.SourceUrl);
if (!string.Equals(extension, ".zip", StringComparison.OrdinalIgnoreCase))
{
_logger.LogError("Only zip packages are supported. {SourceUrl} is not a zip archive.", package.SourceUrl);
return;
}
// Always override the passed-in target (which is a file) and figure it out again
string targetDir = Path.Combine(_appPaths.PluginsPath, package.Name);
using var response = await _httpClientFactory.CreateClient(NamedClient.Default)
.GetAsync(new Uri(package.SourceUrl), cancellationToken).ConfigureAwait(false);
response.EnsureSuccessStatusCode();
await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
// CA5351: Do Not Use Broken Cryptographic Algorithms
#pragma warning disable CA5351
using var md5 = MD5.Create();
cancellationToken.ThrowIfCancellationRequested();
var hash = Convert.ToHexString(md5.ComputeHash(stream));
if (!string.Equals(package.Checksum, hash, StringComparison.OrdinalIgnoreCase))
{
_logger.LogError(
"The checksums didn't match while installing {Package}, expected: {Expected}, got: {Received}",
package.Name,
package.Checksum,
hash);
throw new InvalidDataException("The checksum of the received data doesn't match.");
}
// Version folder as they cannot be overwritten in Windows.
targetDir += "_" + package.Version;
if (Directory.Exists(targetDir))
{
try
{
Directory.Delete(targetDir, true);
}
#pragma warning disable CA1031 // Do not catch general exception types
catch
#pragma warning restore CA1031 // Do not catch general exception types
{
// Ignore any exceptions.
}
}
stream.Position = 0;
using var reader = new ZipArchive(stream);
reader.ExtractToDirectory(targetDir, true);
await _pluginManager.GenerateManifest(package.PackageInfo, package.Version, targetDir, status).ConfigureAwait(false);
_pluginManager.ImportPluginFrom(targetDir);
}
private async Task<bool> InstallPackageInternal(InstallationInfo package, CancellationToken cancellationToken)
{
LocalPlugin? plugin = _pluginManager.Plugins.FirstOrDefault(p => p.Id.Equals(package.Id) && p.Version.Equals(package.Version))
?? _pluginManager.Plugins.FirstOrDefault(p => p.Name.Equals(package.Name, StringComparison.OrdinalIgnoreCase) && p.Version.Equals(package.Version));
await PerformPackageInstallation(package, plugin?.Manifest.Status ?? PluginStatus.Active, cancellationToken).ConfigureAwait(false);
_logger.LogInformation("Plugin {Action}: {PluginName} {PluginVersion}", plugin is null ? "installed" : "updated", package.Name, package.Version);
return plugin is not null;
}
}
}