Files
cleanuperr/code/Infrastructure/Verticals/DownloadClient/Deluge/DelugeService.cs
T
2025-03-26 22:15:37 +02:00

483 lines
16 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.Exceptions;
using Domain.Enums;
using Domain.Models.Deluge.Response;
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;
namespace Infrastructure.Verticals.DownloadClient.Deluge;
public class DelugeService : DownloadService, IDelugeService
{
private readonly DelugeClient _client;
public DelugeService(
ILogger<DelugeService> logger,
IOptions<DelugeConfig> config,
IHttpClientFactory httpClientFactory,
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.Value.Validate();
_client = new (config, httpClientFactory);
}
public override async Task LoginAsync()
{
await _client.LoginAsync();
if (!await _client.IsConnected() && !await _client.Connect())
{
throw new FatalException("Deluge WebUI is not connected to the daemon");
}
}
/// <inheritdoc/>
public override async Task<StalledResult> ShouldRemoveFromArrQueueAsync(string hash, IReadOnlyList<string> ignoredDownloads)
{
hash = hash.ToLowerInvariant();
DelugeContents? contents = null;
StalledResult result = new();
TorrentStatus? download = await _client.GetTorrentStatus(hash);
if (download?.Hash is null)
{
_logger.LogDebug("failed to find torrent {hash} in the download client", hash);
return result;
}
result.IsPrivate = download.Private;
if (ignoredDownloads.Count > 0 && download.ShouldIgnore(ignoredDownloads))
{
_logger.LogInformation("skip | download is ignored | {name}", download.Name);
return result;
}
try
{
contents = await _client.GetTorrentFiles(hash);
}
catch (Exception exception)
{
_logger.LogDebug(exception, "failed to find torrent {hash} in the download client", hash);
}
bool shouldRemove = contents?.Contents?.Count > 0;
ProcessFiles(contents.Contents, (_, file) =>
{
if (file.Priority > 0)
{
shouldRemove = false;
}
});
if (shouldRemove)
{
// remove if all files are unwanted
result.ShouldRemove = true;
result.DeleteReason = DeleteReason.AllFilesSkipped;
return result;
}
// remove if download is stuck
(result.ShouldRemove, result.DeleteReason) = await IsItemStuckAndShouldRemove(download);
return result;
}
/// <inheritdoc/>
public override async Task<BlockFilesResult> BlockUnwantedFilesAsync(string hash,
BlocklistType blocklistType,
ConcurrentBag<string> patterns,
ConcurrentBag<Regex> regexes, IReadOnlyList<string> ignoredDownloads)
{
hash = hash.ToLowerInvariant();
TorrentStatus? download = await _client.GetTorrentStatus(hash);
BlockFilesResult result = new();
if (download?.Hash is null)
{
_logger.LogDebug("failed to find torrent {hash} in the download client", hash);
return result;
}
if (ignoredDownloads.Count > 0 && download.ShouldIgnore(ignoredDownloads))
{
_logger.LogInformation("skip | download is ignored | {name}", download.Name);
return result;
}
result.IsPrivate = download.Private;
if (_contentBlockerConfig.IgnorePrivate && download.Private)
{
// ignore private trackers
_logger.LogDebug("skip files check | download is private | {name}", download.Name);
return result;
}
DelugeContents? contents = null;
try
{
contents = await _client.GetTorrentFiles(hash);
}
catch (Exception exception)
{
_logger.LogDebug(exception, "failed to find torrent {hash} in the download client", hash);
}
if (contents is null)
{
return result;
}
Dictionary<int, int> priorities = [];
bool hasPriorityUpdates = false;
long totalFiles = 0;
long totalUnwantedFiles = 0;
ProcessFiles(contents.Contents, (name, file) =>
{
totalFiles++;
int priority = file.Priority;
if (file.Priority is 0)
{
totalUnwantedFiles++;
}
if (file.Priority is not 0 && !_filenameEvaluator.IsValid(name, blocklistType, patterns, regexes))
{
totalUnwantedFiles++;
priority = 0;
hasPriorityUpdates = true;
_logger.LogInformation("unwanted file found | {file}", file.Path);
}
priorities.Add(file.Index, priority);
});
if (!hasPriorityUpdates)
{
return result;
}
_logger.LogDebug("changing priorities | torrent {hash}", hash);
List<int> sortedPriorities = priorities
.OrderBy(x => x.Key)
.Select(x => x.Value)
.ToList();
if (totalUnwantedFiles == totalFiles)
{
// Skip marking files as unwanted. The download will be removed completely.
result.ShouldRemove = true;
return result;
}
await _dryRunInterceptor.InterceptAsync(ChangeFilesPriority, hash, sortedPriorities);
return result;
}
public override async Task<List<object>?> GetSeedingDownloads()
{
return (await _client.GetStatusForAllTorrents())
?.Where(x => !string.IsNullOrEmpty(x.Hash))
.Where(x => x.State?.Equals("seeding", StringComparison.InvariantCultureIgnoreCase) is true)
.Cast<object>()
.ToList();
}
public override List<object>? FilterDownloadsToBeCleanedAsync(List<object>? downloads, List<CleanCategory> categories) =>
downloads
?.Cast<TorrentStatus>()
.Where(x => categories.Any(cat => cat.Name.Equals(x.Label, StringComparison.InvariantCultureIgnoreCase)))
.Cast<object>()
.ToList();
public override List<object>? FilterDownloadsToChangeCategoryAsync(List<object>? downloads, List<string> categories) =>
downloads
?.Cast<TorrentStatus>()
.Where(x => !string.IsNullOrEmpty(x.Hash))
.Where(x => categories.Any(cat => cat.Equals(x.Label, StringComparison.InvariantCultureIgnoreCase)))
.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 (TorrentStatus 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;
}
if (ignoredDownloads.Count > 0 && download.ShouldIgnore(ignoredDownloads))
{
_logger.LogInformation("skip | download is ignored | {name}", download.Name);
continue;
}
CleanCategory? category = categoriesToClean
.FirstOrDefault(x => x.Name.Equals(download.Label, StringComparison.InvariantCultureIgnoreCase));
if (category is null)
{
continue;
}
if (!_downloadCleanerConfig.DeletePrivate && download.Private)
{
_logger.LogDebug("skip | download is private | {name}", download.Name);
continue;
}
ContextProvider.Set("downloadName", download.Name);
ContextProvider.Set("hash", download.Hash);
TimeSpan seedingTime = TimeSpan.FromSeconds(download.SeedingTime);
SeedingCheckResult result = ShouldCleanDownload(download.Ratio, seedingTime, 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, seedingTime, category.Name, result.Reason);
}
}
public override async Task CreateCategoryAsync(string name)
{
IReadOnlyList<string> existingLabels = await _client.GetLabels();
if (existingLabels.Contains(name, StringComparer.InvariantCultureIgnoreCase))
{
return;
}
await _dryRunInterceptor.InterceptAsync(CreateLabel, 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 (TorrentStatus download in downloads.Cast<TorrentStatus>())
{
if (string.IsNullOrEmpty(download.Hash) || string.IsNullOrEmpty(download.Name) || string.IsNullOrEmpty(download.Label))
{
continue;
}
if (excludedHashes.Any(x => x.Equals(download.Hash, StringComparison.InvariantCultureIgnoreCase)))
{
_logger.LogDebug("skip | download is used by an arr | {name}", download.Name);
continue;
}
if (ignoredDownloads.Count > 0 && download.ShouldIgnore(ignoredDownloads))
{
_logger.LogInformation("skip | download is ignored | {name}", download.Name);
continue;
}
ContextProvider.Set("downloadName", download.Name);
ContextProvider.Set("hash", download.Hash);
DelugeContents? contents = null;
try
{
contents = await _client.GetTorrentFiles(download.Hash);
}
catch (Exception exception)
{
_logger.LogDebug(exception, "failed to find torrent files for {name}", download.Name);
continue;
}
bool hasHardlinks = false;
ProcessFiles(contents?.Contents, (_, file) =>
{
string filePath = string.Join(Path.DirectorySeparatorChar, Path.Combine(download.DownloadLocation, file.Path).Split(['\\', '/']));
long hardlinkCount = _hardLinkFileService.GetHardLinkCount(filePath, !string.IsNullOrEmpty(_downloadCleanerConfig.UnlinkedIgnoredRootDir));
if (hardlinkCount < 0)
{
_logger.LogDebug("skip | could not get file properties | {file}", filePath);
hasHardlinks = true;
return;
}
if (hardlinkCount > 0)
{
hasHardlinks = true;
}
});
if (hasHardlinks)
{
_logger.LogDebug("skip | download has hardlinks | {name}", download.Name);
continue;
}
await _dryRunInterceptor.InterceptAsync(ChangeLabel, download.Hash, _downloadCleanerConfig.UnlinkedTargetCategory);
_logger.LogInformation("category changed for {name}", download.Name);
await _notifier.NotifyCategoryChanged(download.Label, _downloadCleanerConfig.UnlinkedTargetCategory);
download.Label = _downloadCleanerConfig.UnlinkedTargetCategory;
}
}
/// <inheritdoc/>
[DryRunSafeguard]
public override async Task DeleteDownload(string hash)
{
hash = hash.ToLowerInvariant();
await _client.DeleteTorrents([hash]);
}
[DryRunSafeguard]
protected async Task CreateLabel(string name)
{
await _client.CreateLabel(name);
}
[DryRunSafeguard]
protected virtual async Task ChangeFilesPriority(string hash, List<int> sortedPriorities)
{
await _client.ChangeFilesPriority(hash, sortedPriorities);
}
[DryRunSafeguard]
protected virtual async Task ChangeLabel(string hash, string newLabel)
{
await _client.SetTorrentLabel(hash, newLabel);
}
private async Task<(bool, DeleteReason)> IsItemStuckAndShouldRemove(TorrentStatus status)
{
if (_queueCleanerConfig.StalledMaxStrikes is 0)
{
return (false, default);
}
if (_queueCleanerConfig.StalledIgnorePrivate && status.Private)
{
// ignore private trackers
_logger.LogDebug("skip stalled check | download is private | {name}", status.Name);
return (false, default);
}
if (status.State is null || !status.State.Equals("Downloading", StringComparison.InvariantCultureIgnoreCase))
{
return (false, default);
}
if (status.Eta > 0)
{
return (false, default);
}
ResetStrikesOnProgress(status.Hash!, status.TotalDone);
return (await StrikeAndCheckLimit(status.Hash!, status.Name!, StrikeType.Stalled), DeleteReason.Stalled);
}
private static void ProcessFiles(Dictionary<string, DelugeFileOrDirectory>? contents, Action<string, DelugeFileOrDirectory> processFile)
{
if (contents is null)
{
return;
}
foreach (var (name, data) in contents)
{
switch (data.Type)
{
case "file":
processFile(name, data);
break;
case "dir" when data.Contents is not null:
// Recurse into subdirectories
ProcessFiles(data.Contents, processFile);
break;
}
}
}
public override void Dispose()
{
}
}