Iceshrimp.NET/Iceshrimp.Backend/Core/Queues/BackgroundTaskQueue.cs

390 lines
No EOL
14 KiB
C#

using System.Diagnostics.CodeAnalysis;
using System.Text.Json.Serialization;
using Iceshrimp.Backend.Core.Configuration;
using Iceshrimp.Backend.Core.Database;
using Iceshrimp.Backend.Core.Database.Tables;
using Iceshrimp.Backend.Core.Extensions;
using Iceshrimp.Backend.Core.Services;
using Iceshrimp.EntityFrameworkCore.Extensions;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;
using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
using JR = System.Text.Json.Serialization.JsonRequiredAttribute;
namespace Iceshrimp.Backend.Core.Queues;
public class BackgroundTaskQueue(int parallelism)
: PostgresJobQueue<BackgroundTaskJobData>("background-task", BackgroundTaskQueueProcessorDelegateAsync,
parallelism, TimeSpan.FromMinutes(15))
{
private static async Task BackgroundTaskQueueProcessorDelegateAsync(
Job job,
BackgroundTaskJobData jobData,
IServiceProvider scope,
CancellationToken token
)
{
switch (jobData)
{
case DriveFileDeleteJobData { Expire: true } driveFileDeleteJob:
await ProcessDriveFileExpireAsync(driveFileDeleteJob, scope, token);
break;
case DriveFileDeleteJobData driveFileDeleteJob:
await ProcessDriveFileDeleteAsync(driveFileDeleteJob, scope, token);
break;
case PollExpiryJobData pollExpiryJob:
await ProcessPollExpiryAsync(pollExpiryJob, scope, token);
break;
case MuteExpiryJobData muteExpiryJob:
await ProcessMuteExpiryAsync(muteExpiryJob, scope, token);
break;
case FilterExpiryJobData filterExpiryJob:
await ProcessFilterExpiryAsync(filterExpiryJob, scope, token);
break;
case UserDeleteJobData userDeleteJob:
await ProcessUserDeleteAsync(userDeleteJob, scope, token);
break;
case UserPurgeJobData userPurgeJob:
await ProcessUserPurgeAsync(userPurgeJob, scope, token);
break;
case ProfileFieldUpdateJobData profileFieldUpdateJob:
await ProcessProfileFieldUpdateAsync(profileFieldUpdateJob, scope, token);
break;
}
}
private static async Task ProcessDriveFileDeleteAsync(
DriveFileDeleteJobData jobData,
IServiceProvider scope,
CancellationToken token
)
{
var db = scope.GetRequiredService<DatabaseContext>();
var logger = scope.GetRequiredService<ILogger<BackgroundTaskQueue>>();
logger.LogDebug("Deleting file {id}...", jobData.DriveFileId);
var usedAsAvatarOrBanner = await db.Users.AnyAsync(p => p.AvatarId == jobData.DriveFileId ||
p.BannerId == jobData.DriveFileId, token);
var usedInNote = await db.Notes.AnyAsync(p => p.FileIds.Contains(jobData.DriveFileId), token);
if (!usedAsAvatarOrBanner && !usedInNote)
{
var file = await db.DriveFiles.FirstOrDefaultAsync(p => p.Id == jobData.DriveFileId, token);
if (file == null) return;
var deduplicated = await db.DriveFiles.AnyAsync(p => p.Id != file.Id &&
p.AccessKey == file.AccessKey &&
!p.IsLink,
token);
if (!file.IsLink && !deduplicated)
{
string?[] paths = [file.AccessKey, file.ThumbnailAccessKey, file.PublicAccessKey];
if (file.StoredInternal)
{
var pathBase = scope.GetRequiredService<IOptions<Config.StorageSection>>().Value.Local?.Path ??
throw new Exception("Cannot delete locally stored file: pathBase is null");
paths.Where(p => p != null)
.Select(p => Path.Combine(pathBase, p!))
.Where(File.Exists)
.ToList()
.ForEach(File.Delete);
}
else
{
var storageSvc = scope.GetRequiredService<ObjectStorageService>();
await storageSvc.RemoveFilesAsync(paths.Where(p => p != null).Select(p => p!));
}
}
await db.DriveFiles.Where(p => p == file).ExecuteDeleteAsync(token);
}
}
private static async Task ProcessDriveFileExpireAsync(
DriveFileDeleteJobData jobData,
IServiceProvider scope,
CancellationToken token
)
{
var db = scope.GetRequiredService<DatabaseContext>();
var logger = scope.GetRequiredService<ILogger<BackgroundTaskQueue>>();
var drive = scope.GetRequiredService<DriveService>();
logger.LogDebug("Expiring file {id}...", jobData.DriveFileId);
var file = await db.DriveFiles.FirstOrDefaultAsync(p => p.Id == jobData.DriveFileId, token);
if (file == null) return;
await drive.ExpireFileAsync(file, token: token);
}
[SuppressMessage("ReSharper", "EntityFramework.NPlusOne.IncompleteDataQuery",
Justification = "IncludeCommonProperties()")]
[SuppressMessage("ReSharper", "EntityFramework.NPlusOne.IncompleteDataUsage", Justification = "Same as above")]
private static async Task ProcessPollExpiryAsync(
PollExpiryJobData jobData,
IServiceProvider scope,
CancellationToken token
)
{
var db = scope.GetRequiredService<DatabaseContext>();
var poll = await db.Polls.FirstOrDefaultAsync(p => p.NoteId == jobData.NoteId, token);
if (poll == null) return;
if (poll.ExpiresAt > DateTime.UtcNow + TimeSpan.FromSeconds(30)) return;
var note = await db.Notes.IncludeCommonProperties()
.FirstOrDefaultAsync(p => p.Id == poll.NoteId, token);
if (note == null) return;
var notificationSvc = scope.GetRequiredService<NotificationService>();
await notificationSvc.GeneratePollEndedNotificationsAsync(note);
if (note.User.IsLocalUser)
{
var voters = await db.PollVotes.Where(p => p.Note == note && p.User.IsRemoteUser)
.Select(p => p.User)
.ToListAsync(token);
if (voters.Count == 0) return;
var userRenderer = scope.GetRequiredService<ActivityPub.UserRenderer>();
var noteRenderer = scope.GetRequiredService<ActivityPub.NoteRenderer>();
var deliverSvc = scope.GetRequiredService<ActivityPub.ActivityDeliverService>();
var actor = userRenderer.RenderLite(note.User);
var rendered = await noteRenderer.RenderAsync(note);
var activity = ActivityPub.ActivityRenderer.RenderUpdate(rendered, actor);
await deliverSvc.DeliverToAsync(activity, note.User, voters);
}
}
private static async Task ProcessMuteExpiryAsync(
MuteExpiryJobData jobData,
IServiceProvider scope,
CancellationToken token
)
{
var db = scope.GetRequiredService<DatabaseContext>();
var muting = await db.Mutings.Include(muting => muting.Mutee)
.Include(muting => muting.Muter)
.FirstOrDefaultAsync(p => p.Id == jobData.MuteId, token);
if (muting is not { ExpiresAt: not null }) return;
if (muting.ExpiresAt > DateTime.UtcNow + TimeSpan.FromSeconds(30)) return;
db.Remove(muting);
await db.SaveChangesAsync(token);
var eventSvc = scope.GetRequiredService<EventService>();
eventSvc.RaiseUserUnmuted(null, muting.Muter, muting.Mutee);
}
private static async Task ProcessFilterExpiryAsync(
FilterExpiryJobData jobData,
IServiceProvider scope,
CancellationToken token
)
{
var db = scope.GetRequiredService<DatabaseContext>();
var filter = await db.Filters.FirstOrDefaultAsync(p => p.Id == jobData.FilterId, token);
if (filter is not { Expiry: not null }) return;
if (filter.Expiry > DateTime.UtcNow + TimeSpan.FromSeconds(30)) return;
db.Remove(filter);
await db.SaveChangesAsync(token);
}
private static async Task ProcessUserDeleteAsync(
UserDeleteJobData jobData,
IServiceProvider scope,
CancellationToken token
)
{
var db = scope.GetRequiredService<DatabaseContext>();
var queue = scope.GetRequiredService<QueueService>();
var logger = scope.GetRequiredService<ILogger<BackgroundTaskQueue>>();
var renderer = scope.GetRequiredService<ActivityPub.UserRenderer>();
var deliver = scope.GetRequiredService<ActivityPub.ActivityDeliverService>();
var followupTaskSvc = scope.GetRequiredService<FollowupTaskService>();
logger.LogDebug("Processing delete for user {id}", jobData.UserId);
var user = await db.Users.FirstOrDefaultAsync(p => p.Id == jobData.UserId, token);
if (user == null)
{
logger.LogDebug("Failed to delete user {id}: id not found in database", jobData.UserId);
return;
}
if (user.IsLocalUser)
{
var actor = renderer.RenderLite(user);
var activity = ActivityPub.ActivityRenderer.RenderDelete(actor, actor);
await deliver.DeliverToFollowersAsync(activity, user, []);
}
var fileIds = await db.DriveFiles.Where(p => p.User == user).Select(p => p.Id).ToListAsync(token);
logger.LogDebug("Removing {count} files for user {id}", fileIds.Count, user.Id);
foreach (var id in fileIds)
{
await queue.BackgroundTaskQueue.EnqueueAsync(new DriveFileDeleteJobData
{
DriveFileId = id, Expire = false
});
}
db.Remove(user);
await db.SaveChangesAsync(token);
if (user.IsRemoteUser)
{
await followupTaskSvc.ExecuteTaskAsync("UpdateInstanceUserCounter", async provider =>
{
var bgDb = provider.GetRequiredService<DatabaseContext>();
var bgInstanceSvc = provider.GetRequiredService<InstanceService>();
var dbInstance = await bgInstanceSvc.GetUpdatedInstanceMetadataAsync(user);
await bgDb.Instances.Where(p => p.Id == dbInstance.Id)
.ExecuteUpdateAsync(p => p.SetProperty(i => i.UsersCount, i => i.UsersCount - 1),
token);
});
}
logger.LogDebug("User {id} deleted successfully", jobData.UserId);
}
private static async Task ProcessUserPurgeAsync(
UserPurgeJobData jobData,
IServiceProvider scope,
CancellationToken token
)
{
var db = scope.GetRequiredService<DatabaseContext>();
var queue = scope.GetRequiredService<QueueService>();
var logger = scope.GetRequiredService<ILogger<BackgroundTaskQueue>>();
var noteSvc = scope.GetRequiredService<NoteService>();
logger.LogDebug("Processing purge for user {id}", jobData.UserId);
var user = await db.Users.FirstOrDefaultAsync(p => p.Id == jobData.UserId, token);
if (user == null)
{
logger.LogDebug("Failed to purge user {id}: id not found in database", jobData.UserId);
return;
}
var fileIdQ = db.DriveFiles.Where(p => p.User == user).Select(p => p.Id);
var fileIdCnt = await fileIdQ.CountAsync(token);
var fileIds = fileIdQ.AsChunkedAsyncEnumerable(50, p => p);
logger.LogDebug("Removing {count} files for user {id}", fileIdCnt, user.Id);
await foreach (var id in fileIds)
{
await queue.BackgroundTaskQueue.EnqueueAsync(new DriveFileDeleteJobData
{
DriveFileId = id, Expire = false
});
}
var noteQ = db.Notes.Where(p => p.User == user).Select(p => p.Id);
var noteCnt = await noteQ.CountAsync(token);
var noteIds = noteQ.AsChunkedAsyncEnumerable(50, p => p);
logger.LogDebug("Removing {count} notes for user {id}", noteCnt, user.Id);
await foreach (var id in noteIds)
{
var note = await db.Notes
.IncludeCommonProperties()
.FirstOrDefaultAsync(p => p.Id == id, cancellationToken: token);
if (note != null) await noteSvc.DeleteNoteAsync(note);
db.ChangeTracker.Clear();
}
logger.LogDebug("User {id} purged successfully", jobData.UserId);
}
[SuppressMessage("ReSharper", "EntityFramework.NPlusOne.IncompleteDataQuery", Justification = "Projectables")]
[SuppressMessage("ReSharper", "EntityFramework.NPlusOne.IncompleteDataUsage", Justification = "Same as above")]
private static async Task ProcessProfileFieldUpdateAsync(
ProfileFieldUpdateJobData jobData,
IServiceProvider scope,
CancellationToken token
)
{
var db = scope.GetRequiredService<DatabaseContext>();
var userSvc = scope.GetRequiredService<UserService>();
var logger = scope.GetRequiredService<ILogger<BackgroundTaskQueue>>();
logger.LogDebug("Processing profile field update for user {id}", jobData.UserId);
var user = await db.Users.IncludeCommonProperties().FirstOrDefaultAsync(p => p.Id == jobData.UserId, token);
if (user == null)
{
logger.LogDebug("Failed to update profile fields for user {id}: user not found in database", jobData.UserId);
return;
}
if (user.UserProfile == null)
{
logger.LogDebug("Failed to update profile fields for user {id}: user profile not found in database", jobData.UserId);
return;
}
var profileUrl = user.Host != null ? user.UserProfile.Url : null;
if (user.Host != null && profileUrl == null)
{
logger.LogDebug("Failed to update profile fields for user {id}: profile URL not found in database", jobData.UserId);
return;
}
user = await userSvc.VerifyProfileFieldsAsync(user, profileUrl);
db.Update(user.UserProfile!);
await db.SaveChangesAsync(token);
logger.LogDebug("Profile fields for user {id} updated successfully", jobData.UserId);
}
}
[JsonDerivedType(typeof(DriveFileDeleteJobData), "driveFileDelete")]
[JsonDerivedType(typeof(PollExpiryJobData), "pollExpiry")]
[JsonDerivedType(typeof(MuteExpiryJobData), "muteExpiry")]
[JsonDerivedType(typeof(FilterExpiryJobData), "filterExpiry")]
[JsonDerivedType(typeof(UserDeleteJobData), "userDelete")]
[JsonDerivedType(typeof(UserPurgeJobData), "userPurge")]
[JsonDerivedType(typeof(ProfileFieldUpdateJobData), "profileFieldUpdate")]
public abstract class BackgroundTaskJobData;
public class DriveFileDeleteJobData : BackgroundTaskJobData
{
[JR] [J("driveFileId")] public required string DriveFileId { get; set; }
[JR] [J("expire")] public required bool Expire { get; set; }
}
public class PollExpiryJobData : BackgroundTaskJobData
{
[JR] [J("noteId")] public required string NoteId { get; set; }
}
public class MuteExpiryJobData : BackgroundTaskJobData
{
[JR] [J("muteId")] public required string MuteId { get; set; }
}
public class FilterExpiryJobData : BackgroundTaskJobData
{
[JR] [J("filterId")] public required long FilterId { get; set; }
}
public class UserDeleteJobData : BackgroundTaskJobData
{
[JR] [J("userId")] public required string UserId { get; set; }
}
public class UserPurgeJobData : BackgroundTaskJobData
{
[JR] [J("userId")] public required string UserId { get; set; }
}
public class ProfileFieldUpdateJobData : BackgroundTaskJobData
{
[JR] [J("userId")] public required string UserId { get; set; }
}