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Merge pull request #7840 from adrez99/gzip

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pull/8541/head
Claus Vium 2 years ago committed by GitHub
parent d50c1b2d4b f789bc9481
commit a274f4a688
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 30 additions and 143 deletions
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3
Emby.Server.Implementations/ApplicationHost.cs
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@ -22,7 +22,6 @@ using Emby.Drawing;
using Emby.Naming.Common;
using Emby.Notifications;
using Emby.Photos;
using Emby.Server.Implementations.Archiving;
using Emby.Server.Implementations.Channels;
using Emby.Server.Implementations.Collections;
using Emby.Server.Implementations.Configuration;
@ -561,8 +560,6 @@ namespace Emby.Server.Implementations
serviceCollection.AddSingleton<IInstallationManager, InstallationManager>();
serviceCollection.AddSingleton<IZipClient, ZipClient>();
serviceCollection.AddSingleton<IServerApplicationHost>(this);
serviceCollection.AddSingleton(ApplicationPaths);

46
Emby.Server.Implementations/Archiving/ZipClient.cs
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@ -1,46 +0,0 @@
using System.IO;
using MediaBrowser.Model.IO;
using SharpCompress.Common;
using SharpCompress.Readers;
using SharpCompress.Readers.GZip;
namespace Emby.Server.Implementations.Archiving
{
/// <summary>
/// Class DotNetZipClient.
/// </summary>
public class ZipClient : IZipClient
{
/// <inheritdoc />
public void ExtractAllFromGz(Stream source, string targetPath, bool overwriteExistingFiles)
{
using var reader = GZipReader.Open(source);
var options = new ExtractionOptions
{
ExtractFullPath = true,
Overwrite = overwriteExistingFiles
};
Directory.CreateDirectory(targetPath);
reader.WriteAllToDirectory(targetPath, options);
}
/// <inheritdoc />
public void ExtractFirstFileFromGz(Stream source, string targetPath, string defaultFileName)
{
using var reader = GZipReader.Open(source);
if (reader.MoveToNextEntry())
{
var entry = reader.Entry;
var filename = entry.Key;
if (string.IsNullOrWhiteSpace(filename))
{
filename = defaultFileName;
}
reader.WriteEntryToFile(Path.Combine(targetPath, filename));
}
}
}
}

1
Emby.Server.Implementations/Emby.Server.Implementations.csproj
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@ -32,7 +32,6 @@
<PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="6.0.9" />
<PackageReference Include="Mono.Nat" Version="3.0.3" />
<PackageReference Include="prometheus-net.DotNetRuntime" Version="4.2.4" />
<PackageReference Include="sharpcompress" Version="0.32.2" />
<PackageReference Include="SQLitePCL.pretty.netstandard" Version="3.1.0" />
<PackageReference Include="DotNet.Glob" Version="3.1.3" />
</ItemGroup>

107
Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
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@ -6,9 +6,9 @@ using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Net.Http;
using System.Security.Cryptography;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Extensions;
@ -33,20 +33,17 @@ namespace Emby.Server.Implementations.LiveTv.Listings
private readonly IHttpClientFactory _httpClientFactory;
private readonly ILogger<XmlTvListingsProvider> _logger;
private readonly IFileSystem _fileSystem;
private readonly IZipClient _zipClient;
public XmlTvListingsProvider(
IServerConfigurationManager config,
IHttpClientFactory httpClientFactory,
ILogger<XmlTvListingsProvider> logger,
IFileSystem fileSystem,
IZipClient zipClient)
IFileSystem fileSystem)
{
_config = config;
_httpClientFactory = httpClientFactory;
_logger = logger;
_fileSystem = fileSystem;
_zipClient = zipClient;
}
public string Name => "XmlTV";
@ -67,16 +64,12 @@ namespace Emby.Server.Implementations.LiveTv.Listings
{
_logger.LogInformation("xmltv path: {Path}", info.Path);
if (!info.Path.StartsWith("http", StringComparison.OrdinalIgnoreCase))
{
return UnzipIfNeeded(info.Path, info.Path);
}
string cacheFilename = info.Id + ".xml";
string cacheFile = Path.Combine(_config.ApplicationPaths.CachePath, "xmltv", cacheFilename);
if (File.Exists(cacheFile) && File.GetLastWriteTimeUtc(cacheFile) >= DateTime.UtcNow.Subtract(_maxCacheAge))
{
return UnzipIfNeeded(info.Path, cacheFile);
return cacheFile;
}
// Must check if file exists as parent directory may not exist.
@ -84,93 +77,53 @@ namespace Emby.Server.Implementations.LiveTv.Listings
{
File.Delete(cacheFile);
}
else
{
Directory.CreateDirectory(Path.GetDirectoryName(cacheFile));
}
_logger.LogInformation("Downloading xmltv listings from {Path}", info.Path);
if (info.Path.StartsWith("http", StringComparison.OrdinalIgnoreCase))
{
_logger.LogInformation("Downloading xmltv listings from {Path}", info.Path);
Directory.CreateDirectory(Path.GetDirectoryName(cacheFile));
using var response = await _httpClientFactory.CreateClient(NamedClient.Default).GetAsync(info.Path, cancellationToken).ConfigureAwait(false);
await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
using var response = await _httpClientFactory.CreateClient(NamedClient.Default).GetAsync(info.Path, cancellationToken).ConfigureAwait(false);
await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
await using (var fileStream = new FileStream(cacheFile, FileMode.CreateNew, FileAccess.Write, FileShare.None, IODefaults.CopyToBufferSize, FileOptions.Asynchronous))
{
await stream.CopyToAsync(fileStream, cancellationToken).ConfigureAwait(false);
return await UnzipIfNeededAndCopy(info.Path, stream, cacheFile, cancellationToken).ConfigureAwait(false);
}
else
{
await using var stream = new FileStream(info.Path, FileMode.Open, FileAccess.Read, FileShare.Read, IODefaults.FileStreamBufferSize, FileOptions.Asynchronous);
return UnzipIfNeeded(info.Path, cacheFile);
return await UnzipIfNeededAndCopy(info.Path, stream, cacheFile, cancellationToken).ConfigureAwait(false);
}
}
private string UnzipIfNeeded(ReadOnlySpan<char> originalUrl, string file)
private async Task<string> UnzipIfNeededAndCopy(string originalUrl, Stream stream, string file, CancellationToken cancellationToken)
{
ReadOnlySpan<char> ext = Path.GetExtension(originalUrl.LeftPart('?'));
int index = originalUrl.IndexOf('?', StringComparison.CurrentCulture);
string ext = Path.GetExtension(index > -1 ? originalUrl.Remove(index) : originalUrl);
await using var fileStream = new FileStream(file, FileMode.CreateNew, FileAccess.Write, FileShare.None, IODefaults.CopyToBufferSize, FileOptions.Asynchronous);
if (ext.Equals(".gz", StringComparison.OrdinalIgnoreCase))
{
try
{
string tempFolder = ExtractGz(file);
return FindXmlFile(tempFolder);
using var reader = new GZipStream(stream, CompressionMode.Decompress);
await reader.CopyToAsync(fileStream, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error extracting from gz file {File}", file);
}
try
{
string tempFolder = ExtractFirstFileFromGz(file);
return FindXmlFile(tempFolder);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error extracting from zip file {File}", file);
_logger.LogError(ex, "Error extracting from gz file {File}", originalUrl);
}
}
return file;
}
private string ExtractFirstFileFromGz(string file)
{
using (var stream = File.OpenRead(file))
{
string tempFolder = GetTempFolderPath(stream);
Directory.CreateDirectory(tempFolder);
_zipClient.ExtractFirstFileFromGz(stream, tempFolder, "data.xml");
return tempFolder;
}
}
private string ExtractGz(string file)
{
using (var stream = File.OpenRead(file))
else
{
string tempFolder = GetTempFolderPath(stream);
Directory.CreateDirectory(tempFolder);
_zipClient.ExtractAllFromGz(stream, tempFolder, true);
return tempFolder;
await stream.CopyToAsync(fileStream, cancellationToken).ConfigureAwait(false);
}
}
private string GetTempFolderPath(Stream stream)
{
#pragma warning disable CA5351
using var md5 = MD5.Create();
#pragma warning restore CA5351
var checksum = Convert.ToHexString(md5.ComputeHash(stream));
stream.Position = 0;
return Path.Combine(_config.ApplicationPaths.TempDirectory, checksum);
}
private string FindXmlFile(string directory)
{
return _fileSystem.GetFiles(directory, true)
.Where(i => string.Equals(i.Extension, ".xml", StringComparison.OrdinalIgnoreCase))
.Select(i => i.FullName)
.FirstOrDefault();
return file;
}
public async Task<IEnumerable<ProgramInfo>> GetProgramsAsync(ListingsProviderInfo info, string channelId, DateTime startDateUtc, DateTime endDateUtc, CancellationToken cancellationToken)

16
MediaBrowser.Model/IO/IZipClient.cs
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@ -1,16 +0,0 @@
#pragma warning disable CS1591
using System.IO;
namespace MediaBrowser.Model.IO
{
/// <summary>
/// Interface IZipClient.
/// </summary>
public interface IZipClient
{
void ExtractAllFromGz(Stream source, string targetPath, bool overwriteExistingFiles);
void ExtractFirstFileFromGz(Stream source, string targetPath, string defaultFileName);
}
}
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