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

91 lines
No EOL
3.4 KiB
C#

using Iceshrimp.Backend.Core.Database;
using Iceshrimp.Backend.Core.Database.Tables;
using Iceshrimp.Backend.Core.Services;
using Microsoft.EntityFrameworkCore;
using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
using JR = System.Text.Json.Serialization.JsonRequiredAttribute;
namespace Iceshrimp.Backend.Core.Queues;
public class DeliverQueue(int parallelism)
: PostgresJobQueue<DeliverJobData>("deliver", DeliverQueueProcessorDelegateAsync,
parallelism, TimeSpan.FromSeconds(60))
{
private static async Task DeliverQueueProcessorDelegateAsync(
Job job, DeliverJobData jobData, IServiceProvider scope, CancellationToken token
)
{
var logger = scope.GetRequiredService<ILogger<DeliverQueue>>();
var httpClient = scope.GetRequiredService<HttpClient>();
var httpRqSvc = scope.GetRequiredService<HttpRequestService>();
var cache = scope.GetRequiredService<CacheService>();
var db = scope.GetRequiredService<DatabaseContext>();
var fedCtrl = scope.GetRequiredService<ActivityPub.FederationControlService>();
var followup = scope.GetRequiredService<FollowupTaskService>();
if (await fedCtrl.ShouldBlockAsync(jobData.InboxUrl, jobData.RecipientHost))
{
logger.LogDebug("Refusing to deliver activity to blocked instance ({uri})", jobData.InboxUrl);
return;
}
logger.LogDebug("Delivering activity to: {uri}", jobData.InboxUrl);
var key = await cache.FetchAsync($"userPrivateKey:{jobData.UserId}", TimeSpan.FromMinutes(60), async () =>
{
var keypair =
await db.UserKeypairs.FirstOrDefaultAsync(p => p.UserId == jobData.UserId, token);
return keypair?.PrivateKey ?? throw new Exception($"Failed to get keypair for user {jobData.UserId}");
});
var request =
await httpRqSvc.PostSignedAsync(jobData.InboxUrl, jobData.Payload, jobData.ContentType, jobData.UserId,
key);
try
{
var response = await httpClient.SendAsync(request, token).WaitAsync(TimeSpan.FromSeconds(10), token);
_ = followup.ExecuteTask("UpdateInstanceMetadata", async provider =>
{
var instanceSvc = provider.GetRequiredService<InstanceService>();
await instanceSvc.UpdateInstanceStatusAsync(jobData.RecipientHost, new Uri(jobData.InboxUrl).Host,
(int)response.StatusCode, !response.IsSuccessStatusCode);
});
response.EnsureSuccessStatusCode();
}
catch (Exception e)
{
if (job.RetryCount++ < 10)
{
var jitter = TimeSpan.FromSeconds(new Random().Next(0, 60));
var baseDelay = TimeSpan.FromMinutes(1);
var maxBackoff = TimeSpan.FromHours(8);
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.DelayedUntil = DateTime.UtcNow + backoff;
job.Status = Job.JobStatus.Delayed;
}
else
{
throw;
}
}
}
}
public class DeliverJobData
{
[JR] [J("inboxUrl")] public required string InboxUrl { get; set; }
[JR] [J("payload")] public required string Payload { get; set; }
[JR] [J("contentType")] public required string ContentType { get; set; }
[JR] [J("userId")] public required string UserId { get; set; }
[JR] [J("recipientHost")] public required string RecipientHost { get; set; }
}