105 lines
4.3 KiB
C#
105 lines
4.3 KiB
C#
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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using MediaBrowser.Common.Kernel;
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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.IO;
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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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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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public async Task<IEnumerable<PackageInfo>> GetAvailablePackages(IHttpClient client,
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INetworkManager networkManager,
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ISecurityManager securityManager,
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ResourcePool resourcePool,
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IJsonSerializer serializer,
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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 client.Post(Constants.Constants.MBAdminUrl + "service/package/retrieveall", data, resourcePool.Mb, cancellationToken).ConfigureAwait(false))
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{
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cancellationToken.ThrowIfCancellationRequested();
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var packages = serializer.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(IHttpClient client, ILogger logger, ResourcePool resourcePool, IProgress<double> progress, IZipClient zipClient, IApplicationPaths appPaths, 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.sourceUrl), ".zip", StringComparison.OrdinalIgnoreCase);
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var target = isArchive ? appPaths.ProgramDataPath : Path.Combine(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 client.GetTempFile(package.sourceUrl, resourcePool.Mb, 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 based on type
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if (isArchive)
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{
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try
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{
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zipClient.ExtractAll(tempFile, target, true);
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}
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catch (IOException e)
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{
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logger.ErrorException("Error attempting to extract archive from {0} to {1}", e, tempFile, target);
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throw;
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}
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}
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else
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{
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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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}
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