Files
Cleanuparr/code/Infrastructure/Verticals/DownloadClient/QBittorrent/QBitService.cs

599 lines
21 KiB
C#

using System.Collections.Concurrent;
using System.Text.RegularExpressions;
using Common.Attributes;
using Common.Configuration.ContentBlocker;
using Common.Configuration.DownloadCleaner;
using Common.Configuration.DownloadClient;
using Common.Configuration.QueueCleaner;
using Common.CustomDataTypes;
using Common.Helpers;
using Domain.Enums;
using Infrastructure.Extensions;
using Infrastructure.Interceptors;
using Infrastructure.Verticals.ContentBlocker;
using Infrastructure.Verticals.Context;
using Infrastructure.Verticals.Files;
using Infrastructure.Verticals.ItemStriker;
using Infrastructure.Verticals.Notifications;
using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using QBittorrent.Client;
namespace Infrastructure.Verticals.DownloadClient.QBittorrent;
public class QBitService : DownloadService, IQBitService
{
private readonly QBitConfig _config;
private readonly QBittorrentClient _client;
public QBitService(
ILogger<QBitService> logger,
IHttpClientFactory httpClientFactory,
IOptions<QBitConfig> config,
IOptions<QueueCleanerConfig> queueCleanerConfig,
IOptions<ContentBlockerConfig> contentBlockerConfig,
IOptions<DownloadCleanerConfig> downloadCleanerConfig,
IMemoryCache cache,
IFilenameEvaluator filenameEvaluator,
IStriker striker,
INotificationPublisher notifier,
IDryRunInterceptor dryRunInterceptor,
IHardLinkFileService hardLinkFileService
) : base(
logger, queueCleanerConfig, contentBlockerConfig, downloadCleanerConfig, cache,
filenameEvaluator, striker, notifier, dryRunInterceptor, hardLinkFileService
)
{
_config = config.Value;
_config.Validate();
UriBuilder uriBuilder = new(_config.Url);
uriBuilder.Path = string.IsNullOrEmpty(_config.UrlBase)
? uriBuilder.Path
: $"{uriBuilder.Path.TrimEnd('/')}/{_config.UrlBase.TrimStart('/')}";
_client = new(httpClientFactory.CreateClient(Constants.HttpClientWithRetryName), uriBuilder.Uri);
}
public override async Task LoginAsync()
{
if (string.IsNullOrEmpty(_config.Username) && string.IsNullOrEmpty(_config.Password))
{
return;
}
await _client.LoginAsync(_config.Username, _config.Password);
}
/// <inheritdoc/>
public override async Task<DownloadCheckResult> ShouldRemoveFromArrQueueAsync(string hash, IReadOnlyList<string> ignoredDownloads)
{
DownloadCheckResult result = new();
TorrentInfo? download = (await _client.GetTorrentListAsync(new TorrentListQuery { Hashes = [hash] }))
.FirstOrDefault();
if (download is null)
{
_logger.LogDebug("failed to find torrent {hash} in the download client", hash);
return result;
}
IReadOnlyList<TorrentTracker> trackers = await GetTrackersAsync(hash);
if (ignoredDownloads.Count > 0 &&
(download.ShouldIgnore(ignoredDownloads) || trackers.Any(x => x.ShouldIgnore(ignoredDownloads)) is true))
{
_logger.LogInformation("skip | download is ignored | {name}", download.Name);
return result;
}
TorrentProperties? torrentProperties = await _client.GetTorrentPropertiesAsync(hash);
if (torrentProperties is null)
{
_logger.LogDebug("failed to find torrent properties {hash} in the download client", hash);
return result;
}
result.IsPrivate = torrentProperties.AdditionalData.TryGetValue("is_private", out var dictValue) &&
bool.TryParse(dictValue?.ToString(), out bool boolValue)
&& boolValue;
IReadOnlyList<TorrentContent>? files = await _client.GetTorrentContentsAsync(hash);
if (files?.Count is > 0 && files.All(x => x.Priority is TorrentContentPriority.Skip))
{
result.ShouldRemove = true;
// if all files were blocked by qBittorrent
if (download is { CompletionOn: not null, Downloaded: null or 0 })
{
result.DeleteReason = DeleteReason.AllFilesSkippedByQBit;
return result;
}
// remove if all files are unwanted
result.DeleteReason = DeleteReason.AllFilesSkipped;
return result;
}
(result.ShouldRemove, result.DeleteReason) = await EvaluateDownloadRemoval(download, result.IsPrivate);
return result;
}
/// <inheritdoc/>
public override async Task<BlockFilesResult> BlockUnwantedFilesAsync(string hash,
BlocklistType blocklistType,
ConcurrentBag<string> patterns,
ConcurrentBag<Regex> regexes,
IReadOnlyList<string> ignoredDownloads
)
{
TorrentInfo? download = (await _client.GetTorrentListAsync(new TorrentListQuery { Hashes = [hash] }))
.FirstOrDefault();
BlockFilesResult result = new();
if (download is null)
{
_logger.LogDebug("failed to find torrent {hash} in the download client", hash);
return result;
}
IReadOnlyList<TorrentTracker> trackers = await GetTrackersAsync(hash);
if (ignoredDownloads.Count > 0 &&
(download.ShouldIgnore(ignoredDownloads) || trackers.Any(x => x.ShouldIgnore(ignoredDownloads)) is true))
{
_logger.LogInformation("skip | download is ignored | {name}", download.Name);
return result;
}
TorrentProperties? torrentProperties = await _client.GetTorrentPropertiesAsync(hash);
if (torrentProperties is null)
{
_logger.LogDebug("failed to find torrent properties {hash} in the download client", hash);
return result;
}
bool isPrivate = torrentProperties.AdditionalData.TryGetValue("is_private", out var dictValue) &&
bool.TryParse(dictValue?.ToString(), out bool boolValue)
&& boolValue;
result.IsPrivate = isPrivate;
if (_contentBlockerConfig.IgnorePrivate && isPrivate)
{
// ignore private trackers
_logger.LogDebug("skip files check | download is private | {name}", download.Name);
return result;
}
IReadOnlyList<TorrentContent>? files = await _client.GetTorrentContentsAsync(hash);
if (files is null)
{
return result;
}
List<int> unwantedFiles = [];
long totalFiles = 0;
long totalUnwantedFiles = 0;
foreach (TorrentContent file in files)
{
if (!file.Index.HasValue)
{
continue;
}
totalFiles++;
if (file.Priority is TorrentContentPriority.Skip)
{
totalUnwantedFiles++;
continue;
}
if (_filenameEvaluator.IsValid(file.Name, blocklistType, patterns, regexes))
{
continue;
}
_logger.LogInformation("unwanted file found | {file}", file.Name);
unwantedFiles.Add(file.Index.Value);
totalUnwantedFiles++;
}
if (unwantedFiles.Count is 0)
{
return result;
}
if (totalUnwantedFiles == totalFiles)
{
// Skip marking files as unwanted. The download will be removed completely.
result.ShouldRemove = true;
return result;
}
foreach (int fileIndex in unwantedFiles)
{
await _dryRunInterceptor.InterceptAsync(SkipFile, hash, fileIndex);
}
return result;
}
/// <inheritdoc/>
public override async Task<List<object>?> GetSeedingDownloads() =>
(await _client.GetTorrentListAsync(new()
{
Filter = TorrentListFilter.Seeding
}))
?.Where(x => !string.IsNullOrEmpty(x.Hash))
.Cast<object>()
.ToList();
/// <inheritdoc/>
public override List<object>? FilterDownloadsToBeCleanedAsync(List<object>? downloads, List<CleanCategory> categories) =>
downloads
?.Cast<TorrentInfo>()
.Where(x => !string.IsNullOrEmpty(x.Hash))
.Where(x => categories.Any(cat => cat.Name.Equals(x.Category, StringComparison.InvariantCultureIgnoreCase)))
.Cast<object>()
.ToList();
/// <inheritdoc/>
public override List<object>? FilterDownloadsToChangeCategoryAsync(List<object>? downloads, List<string> categories) =>
downloads
?.Cast<TorrentInfo>()
.Where(x => !string.IsNullOrEmpty(x.Hash))
.Where(x => categories.Any(cat => cat.Equals(x.Category, StringComparison.InvariantCultureIgnoreCase)))
.Where(x =>
{
if (_downloadCleanerConfig.UnlinkedUseTag)
{
return !x.Tags.Any(tag => tag.Equals(_downloadCleanerConfig.UnlinkedTargetCategory, StringComparison.InvariantCultureIgnoreCase));
}
return true;
})
.Cast<object>()
.ToList();
/// <inheritdoc/>
public override async Task CleanDownloadsAsync(List<object>? downloads, List<CleanCategory> categoriesToClean,
HashSet<string> excludedHashes, IReadOnlyList<string> ignoredDownloads)
{
if (downloads?.Count is null or 0)
{
return;
}
foreach (TorrentInfo download in downloads)
{
if (string.IsNullOrEmpty(download.Hash))
{
continue;
}
if (excludedHashes.Any(x => x.Equals(download.Hash, StringComparison.InvariantCultureIgnoreCase)))
{
_logger.LogDebug("skip | download is used by an arr | {name}", download.Name);
continue;
}
IReadOnlyList<TorrentTracker> trackers = await GetTrackersAsync(download.Hash);
if (ignoredDownloads.Count > 0 &&
(download.ShouldIgnore(ignoredDownloads) || trackers.Any(x => x.ShouldIgnore(ignoredDownloads))))
{
_logger.LogInformation("skip | download is ignored | {name}", download.Name);
continue;
}
CleanCategory? category = categoriesToClean
.FirstOrDefault(x => download.Category.Equals(x.Name, StringComparison.InvariantCultureIgnoreCase));
if (category is null)
{
continue;
}
if (!_downloadCleanerConfig.DeletePrivate)
{
TorrentProperties? torrentProperties = await _client.GetTorrentPropertiesAsync(download.Hash);
if (torrentProperties is null)
{
_logger.LogDebug("failed to find torrent properties in the download client | {name}", download.Name);
return;
}
bool isPrivate = torrentProperties.AdditionalData.TryGetValue("is_private", out var dictValue) &&
bool.TryParse(dictValue?.ToString(), out bool boolValue)
&& boolValue;
if (isPrivate)
{
_logger.LogDebug("skip | download is private | {name}", download.Name);
continue;
}
}
ContextProvider.Set("downloadName", download.Name);
ContextProvider.Set("hash", download.Hash);
SeedingCheckResult result = ShouldCleanDownload(download.Ratio, download.SeedingTime ?? TimeSpan.Zero, category);
if (!result.ShouldClean)
{
continue;
}
await _dryRunInterceptor.InterceptAsync(DeleteDownload, download.Hash);
_logger.LogInformation(
"download cleaned | {reason} reached | {name}",
result.Reason is CleanReason.MaxRatioReached
? "MAX_RATIO & MIN_SEED_TIME"
: "MAX_SEED_TIME",
download.Name
);
await _notifier.NotifyDownloadCleaned(download.Ratio, download.SeedingTime ?? TimeSpan.Zero, category.Name, result.Reason);
}
}
public override async Task CreateCategoryAsync(string name)
{
IReadOnlyDictionary<string, Category>? existingCategories = await _client.GetCategoriesAsync();
if (existingCategories.Any(x => x.Value.Name.Equals(name, StringComparison.InvariantCultureIgnoreCase)))
{
return;
}
await _dryRunInterceptor.InterceptAsync(CreateCategory, name);
}
public override async Task ChangeCategoryForNoHardLinksAsync(List<object>? downloads, HashSet<string> excludedHashes, IReadOnlyList<string> ignoredDownloads)
{
if (downloads?.Count is null or 0)
{
return;
}
if (!string.IsNullOrEmpty(_downloadCleanerConfig.UnlinkedIgnoredRootDir))
{
_hardLinkFileService.PopulateFileCounts(_downloadCleanerConfig.UnlinkedIgnoredRootDir);
}
foreach (TorrentInfo download in downloads)
{
if (string.IsNullOrEmpty(download.Hash))
{
continue;
}
if (excludedHashes.Any(x => x.Equals(download.Hash, StringComparison.InvariantCultureIgnoreCase)))
{
_logger.LogDebug("skip | download is used by an arr | {name}", download.Name);
continue;
}
IReadOnlyList<TorrentTracker> trackers = await GetTrackersAsync(download.Hash);
if (ignoredDownloads.Count > 0 &&
(download.ShouldIgnore(ignoredDownloads) || trackers.Any(x => x.ShouldIgnore(ignoredDownloads))))
{
_logger.LogInformation("skip | download is ignored | {name}", download.Name);
continue;
}
IReadOnlyList<TorrentContent>? files = await _client.GetTorrentContentsAsync(download.Hash);
if (files is null)
{
_logger.LogDebug("failed to find files for {name}", download.Name);
continue;
}
ContextProvider.Set("downloadName", download.Name);
ContextProvider.Set("hash", download.Hash);
bool hasHardlinks = false;
foreach (TorrentContent file in files)
{
if (!file.Index.HasValue)
{
_logger.LogDebug("skip | file index is null for {name}", download.Name);
hasHardlinks = true;
break;
}
string filePath = string.Join(Path.DirectorySeparatorChar, Path.Combine(download.SavePath, file.Name).Split(['\\', '/']));
if (file.Priority is TorrentContentPriority.Skip)
{
_logger.LogDebug("skip | file is not downloaded | {file}", filePath);
continue;
}
long hardlinkCount = _hardLinkFileService.GetHardLinkCount(filePath, !string.IsNullOrEmpty(_downloadCleanerConfig.UnlinkedIgnoredRootDir));
if (hardlinkCount < 0)
{
_logger.LogDebug("skip | could not get file properties | {file}", filePath);
hasHardlinks = true;
break;
}
if (hardlinkCount > 0)
{
hasHardlinks = true;
break;
}
}
if (hasHardlinks)
{
_logger.LogDebug("skip | download has hardlinks | {name}", download.Name);
continue;
}
await _dryRunInterceptor.InterceptAsync(ChangeCategory, download.Hash, _downloadCleanerConfig.UnlinkedTargetCategory);
if (_downloadCleanerConfig.UnlinkedUseTag)
{
_logger.LogInformation("tag added for {name}", download.Name);
}
else
{
_logger.LogInformation("category changed for {name}", download.Name);
download.Category = _downloadCleanerConfig.UnlinkedTargetCategory;
}
await _notifier.NotifyCategoryChanged(download.Category, _downloadCleanerConfig.UnlinkedTargetCategory, _downloadCleanerConfig.UnlinkedUseTag);
}
}
/// <inheritdoc/>
[DryRunSafeguard]
public override async Task DeleteDownload(string hash)
{
await _client.DeleteAsync(hash, deleteDownloadedData: true);
}
[DryRunSafeguard]
protected async Task CreateCategory(string name)
{
await _client.AddCategoryAsync(name);
}
[DryRunSafeguard]
protected virtual async Task SkipFile(string hash, int fileIndex)
{
await _client.SetFilePriorityAsync(hash, fileIndex, TorrentContentPriority.Skip);
}
[DryRunSafeguard]
protected virtual async Task ChangeCategory(string hash, string newCategory)
{
if (_downloadCleanerConfig.UnlinkedUseTag)
{
await _client.AddTorrentTagAsync([hash], newCategory);
return;
}
await _client.SetTorrentCategoryAsync([hash], newCategory);
}
public override void Dispose()
{
_client.Dispose();
}
private async Task<(bool, DeleteReason)> EvaluateDownloadRemoval(TorrentInfo torrent, bool isPrivate)
{
(bool ShouldRemove, DeleteReason Reason) result = await CheckIfSlow(torrent, isPrivate);
if (result.ShouldRemove)
{
return result;
}
return await CheckIfStuck(torrent, isPrivate);
}
private async Task<(bool ShouldRemove, DeleteReason Reason)> CheckIfSlow(TorrentInfo download, bool isPrivate)
{
if (_queueCleanerConfig.SlowMaxStrikes is 0)
{
return (false, DeleteReason.None);
}
if (download.State is not (TorrentState.Downloading or TorrentState.ForcedDownload))
{
return (false, DeleteReason.None);
}
if (download.DownloadSpeed <= 0)
{
return (false, DeleteReason.None);
}
if (_queueCleanerConfig.SlowIgnorePrivate && isPrivate)
{
// ignore private trackers
_logger.LogDebug("skip slow check | download is private | {name}", download.Name);
return (false, DeleteReason.None);
}
if (download.Size > (_queueCleanerConfig.SlowIgnoreAboveSizeByteSize?.Bytes ?? long.MaxValue))
{
_logger.LogDebug("skip slow check | download is too large | {name}", download.Name);
return (false, DeleteReason.None);
}
ByteSize minSpeed = _queueCleanerConfig.SlowMinSpeedByteSize;
ByteSize currentSpeed = new ByteSize(download.DownloadSpeed);
SmartTimeSpan maxTime = SmartTimeSpan.FromHours(_queueCleanerConfig.SlowMaxTime);
SmartTimeSpan currentTime = new SmartTimeSpan(download.EstimatedTime ?? TimeSpan.Zero);
return await CheckIfSlow(
download.Hash,
download.Name,
minSpeed,
currentSpeed,
maxTime,
currentTime
);
}
private async Task<(bool ShouldRemove, DeleteReason Reason)> CheckIfStuck(TorrentInfo torrent, bool isPrivate)
{
if (_queueCleanerConfig.StalledMaxStrikes is 0 && _queueCleanerConfig.DownloadingMetadataMaxStrikes is 0)
{
return (false, DeleteReason.None);
}
if (torrent.State is not TorrentState.StalledDownload and not TorrentState.FetchingMetadata
and not TorrentState.ForcedFetchingMetadata)
{
// ignore other states
return (false, DeleteReason.None);
}
if (_queueCleanerConfig.StalledMaxStrikes > 0 && torrent.State is TorrentState.StalledDownload)
{
if (_queueCleanerConfig.StalledIgnorePrivate && isPrivate)
{
// ignore private trackers
_logger.LogDebug("skip stalled check | download is private | {name}", torrent.Name);
}
else
{
ResetStalledStrikesOnProgress(torrent.Hash, torrent.Downloaded ?? 0);
return (await _striker.StrikeAndCheckLimit(torrent.Hash, torrent.Name, _queueCleanerConfig.StalledMaxStrikes, StrikeType.Stalled), DeleteReason.Stalled);
}
}
if (_queueCleanerConfig.DownloadingMetadataMaxStrikes > 0 && torrent.State is not TorrentState.StalledDownload)
{
return (await _striker.StrikeAndCheckLimit(torrent.Hash, torrent.Name, _queueCleanerConfig.DownloadingMetadataMaxStrikes, StrikeType.DownloadingMetadata), DeleteReason.DownloadingMetadata);
}
return (false, DeleteReason.None);
}
private async Task<IReadOnlyList<TorrentTracker>> GetTrackersAsync(string hash)
{
return (await _client.GetTorrentTrackersAsync(hash))
.Where(x => x.Url.Contains("**"))
.ToList();
}
}