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109 lines
4.8 KiB
C#
109 lines
4.8 KiB
C#
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Common.Security;
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using MediaBrowser.Common.Updates;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Serialization;
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using MediaBrowser.Model.Updates;
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using System;
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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.Security.Cryptography;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Common.Implementations.Updates
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{
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public class PackageManager : IPackageManager
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{
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private readonly ISecurityManager _securityManager;
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private readonly INetworkManager _networkManager;
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private readonly IHttpClient _httpClient;
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private readonly IApplicationPaths _appPaths;
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private readonly IJsonSerializer _jsonSerializer;
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private readonly ILogger _logger;
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/// <summary>
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/// Initializes a new instance of the <see cref="PackageManager" /> class.
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/// </summary>
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/// <param name="securityManager">The security manager.</param>
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/// <param name="networkManager">The network manager.</param>
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/// <param name="httpClient">The HTTP client.</param>
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/// <param name="applicationPaths">The application paths.</param>
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/// <param name="jsonSerializer">The json serializer.</param>
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/// <param name="logger">The logger.</param>
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public PackageManager(ISecurityManager securityManager, INetworkManager networkManager, IHttpClient httpClient, IApplicationPaths applicationPaths, IJsonSerializer jsonSerializer, ILogger logger)
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{
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_securityManager = securityManager;
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_networkManager = networkManager;
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_httpClient = httpClient;
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_appPaths = applicationPaths;
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_jsonSerializer = jsonSerializer;
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_logger = logger;
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}
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public async Task<IEnumerable<PackageInfo>> GetAvailablePackages(CancellationToken cancellationToken)
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{
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var data = new Dictionary<string, string> { { "key", _securityManager.SupporterKey }, { "mac", _networkManager.GetMacAddress() } };
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using (var json = await _httpClient.Post(Constants.Constants.MBAdminUrl + "service/package/retrieveall", data, cancellationToken).ConfigureAwait(false))
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{
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cancellationToken.ThrowIfCancellationRequested();
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var packages = _jsonSerializer.DeserializeFromStream<List<PackageInfo>>(json).ToList();
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foreach (var package in packages)
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{
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package.versions = package.versions.Where(v => !string.IsNullOrWhiteSpace(v.sourceUrl))
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.OrderByDescending(v => v.version).ToList();
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}
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return packages;
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}
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}
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public async Task InstallPackage(IProgress<double> progress, PackageVersionInfo package, CancellationToken cancellationToken)
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{
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// Target based on if it is an archive or single assembly
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// zip archives are assumed to contain directory structures relative to our ProgramDataPath
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var isArchive = string.Equals(Path.GetExtension(package.targetFilename), ".zip", StringComparison.OrdinalIgnoreCase);
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var target = Path.Combine(isArchive ? _appPaths.TempUpdatePath : _appPaths.PluginsPath, package.targetFilename);
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// Download to temporary file so that, if interrupted, it won't destroy the existing installation
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var tempFile = await _httpClient.GetTempFile(package.sourceUrl, cancellationToken, progress).ConfigureAwait(false);
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cancellationToken.ThrowIfCancellationRequested();
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// Validate with a checksum
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if (package.checksum != Guid.Empty) // support for legacy uploads for now
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{
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using (var crypto = new MD5CryptoServiceProvider())
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using (var stream = new BufferedStream(File.OpenRead(tempFile), 100000))
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{
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var check = Guid.Parse(BitConverter.ToString(crypto.ComputeHash(stream)).Replace("-", String.Empty));
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if (check != package.checksum)
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{
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throw new ApplicationException(string.Format("Download validation failed for {0}. Probably corrupted during transfer.", package.name));
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}
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}
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}
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cancellationToken.ThrowIfCancellationRequested();
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// Success - move it to the real target
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try
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{
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File.Copy(tempFile, target, true);
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File.Delete(tempFile);
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}
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catch (IOException e)
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{
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_logger.ErrorException("Error attempting to move file from {0} to {1}", e, tempFile, target);
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throw;
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}
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}
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}
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}
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