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

74 lines
No EOL
2.7 KiB
C#

using System.Net;
using Iceshrimp.Backend.Core.Database.Tables;
using Iceshrimp.Backend.Core.Federation.ActivityStreams;
using Iceshrimp.Backend.Core.Federation.ActivityStreams.Types;
using Iceshrimp.Backend.Core.Middleware;
using Iceshrimp.Backend.Core.Services;
using Newtonsoft.Json.Linq;
using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
using JR = System.Text.Json.Serialization.JsonRequiredAttribute;
namespace Iceshrimp.Backend.Core.Queues;
public class InboxQueue(int parallelism)
: PostgresJobQueue<InboxJobData>("inbox", InboxQueueProcessorDelegateAsync, parallelism, TimeSpan.FromSeconds(120))
{
private static async Task InboxQueueProcessorDelegateAsync(
Job job,
InboxJobData jobData,
IServiceProvider scope,
CancellationToken token
)
{
var expanded = LdHelpers.Expand(JToken.Parse(jobData.Body)) ?? throw new Exception("Failed to expand ASObject");
var obj = ASObject.Deserialize(expanded) ?? throw new Exception("Failed to deserialize ASObject");
if (obj is not ASActivity activity)
throw new GracefulException(HttpStatusCode.UnprocessableEntity, "Job data is not an ASActivity",
$"Type: {obj.Type}");
var apHandler = scope.GetRequiredService<ActivityPub.ActivityHandlerService>();
try
{
await apHandler.PerformActivityAsync(activity, jobData.InboxUserId, jobData.AuthenticatedUserId);
}
catch (InstanceBlockedException e)
{
var logger = scope.GetRequiredService<ILogger<InboxQueue>>();
if (e.Host != null)
logger.LogDebug("Refusing to process activity: Instance {host} is blocked", e.Host);
else
logger.LogDebug("Refusing to process activity: Instance is blocked ({uri})", e.Uri);
}
catch (Exception e) when (e is not GracefulException)
{
if (job.RetryCount++ < 10)
{
var jitter = TimeSpan.FromSeconds(new Random().Next(0, 60));
var baseDelay = TimeSpan.FromMinutes(1);
var maxBackoff = TimeSpan.FromHours(7);
var backoff = (Math.Pow(2, job.RetryCount) - 1) * baseDelay;
if (backoff > maxBackoff)
backoff = maxBackoff;
backoff += jitter;
job.ExceptionMessage = e.Message;
job.ExceptionSource = e.Source;
job.StackTrace = e.StackTrace;
job.Exception = e.ToString();
job.DelayedUntil = DateTime.UtcNow + backoff;
job.Status = Job.JobStatus.Delayed;
}
else
{
throw;
}
}
}
}
public class InboxJobData
{
[JR] [J("body")] public required string Body { get; set; }
[JR] [J("inboxUserId")] public required string? InboxUserId { get; set; }
[JR] [J("authenticatedUserId")] public required string? AuthenticatedUserId { get; set; }
}