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Move actual installation to PackageManager

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This commit is contained in:
Eric Reed
2013-02-27 08:34:24 -05:00
parent 340280edf2
commit e15ff541c6
3 changed files with 92 additions and 66 deletions
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61
MediaBrowser.Common.Implementations/Updates/PackageManager.cs
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@@ -1,12 +1,16 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Kernel;
using MediaBrowser.Common.Net;
using MediaBrowser.Common.Security;
using MediaBrowser.Common.Updates;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Updates;
@@ -39,9 +43,62 @@ namespace MediaBrowser.Common.Implementations.Updates
}
public Task InstallPackage(PackageVersionInfo package, CancellationToken cancellationToken)
public async Task InstallPackage(IHttpClient client, ILogger logger, ResourcePool resourcePool, IProgress<double> progress, IZipClient zipClient, IApplicationPaths appPaths, PackageVersionInfo package, CancellationToken cancellationToken)
{
throw new NotImplementedException();
// Target based on if it is an archive or single assembly
// zip archives are assumed to contain directory structures relative to our ProgramDataPath
var isArchive = string.Equals(Path.GetExtension(package.sourceUrl), ".zip", StringComparison.OrdinalIgnoreCase);
var target = isArchive ? appPaths.ProgramDataPath : Path.Combine(appPaths.PluginsPath, package.targetFilename);
// Download to temporary file so that, if interrupted, it won't destroy the existing installation
var tempFile = await client.GetTempFile(package.sourceUrl, resourcePool.Mb, cancellationToken, progress).ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested();
// Validate with a checksum
if (package.checksum != Guid.Empty) // support for legacy uploads for now
{
using (var crypto = new MD5CryptoServiceProvider())
using (var stream = new BufferedStream(File.OpenRead(tempFile), 100000))
{
var check = Guid.Parse(BitConverter.ToString(crypto.ComputeHash(stream)).Replace("-", String.Empty));
if (check != package.checksum)
{
throw new ApplicationException(string.Format("Download validation failed for {0}. Probably corrupted during transfer.", package.name));
}
}
}
cancellationToken.ThrowIfCancellationRequested();
// Success - move it to the real target based on type
if (isArchive)
{
try
{
zipClient.ExtractAll(tempFile, target, true);
}
catch (IOException e)
{
logger.ErrorException("Error attempting to extract archive from {0} to {1}", e, tempFile, target);
throw;
}
}
else
{
try
{
File.Copy(tempFile, target, true);
File.Delete(tempFile);
}
catch (IOException e)
{
logger.ErrorException("Error attempting to move file from {0} to {1}", e, tempFile, target);
throw;
}
}
}
}
}