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