FoundKey/packages/backend/src/queue/processors/deliver.ts

78 lines
2.6 KiB
TypeScript

import { URL } from 'node:url';
import Bull from 'bull';
import { request } from '@/remote/activitypub/request.js';
import { registerOrFetchInstanceDoc } from '@/services/register-or-fetch-instance-doc.js';
import { Instances } from '@/models/index.js';
import { fetchInstanceMetadata } from '@/services/fetch-instance-metadata.js';
import { toPuny } from '@/misc/convert-host.js';
import { StatusError } from '@/misc/fetch.js';
import { getUserKeypair } from '@/misc/keypair-store.js';
import { shouldSkipInstance } from '@/misc/skipped-instances.js';
import { DeliverJobData } from '@/queue/types.js';
export default async (job: Bull.Job<DeliverJobData>) => {
const { host } = new URL(job.data.to);
const puny = toPuny(host);
// for the first few tries (where most attempts will be made)
// we assume that inserting deliver jobs took care of this check
// only on later attempts do we actually do it, to ease database
// performance. this might cause a slight delay of a few minutes
// for instance blocks being applied
//
// with apBackoff, attempt 2 happens ~4min after the initial try, while
// attempt 3 happens ~11 min after the initial try, which seems like a
// good tradeoff between database and blocks being applied reasonably quick
if (job.attemptsMade >= 3 && await shouldSkipInstance(puny)) {
return 'skip';
}
const keypair = await getUserKeypair(job.data.user.id);
try {
if (Array.isArray(job.data.content)) {
await Promise.all(
job.data.content.map(x => request(job.data.user, job.data.to, x, keypair))
);
} else {
await request(job.data.user, job.data.to, job.data.content, keypair);
}
// Update stats
registerOrFetchInstanceDoc(host).then(i => {
Instances.update(i.id, {
latestRequestSentAt: new Date(),
latestStatus: 200,
lastCommunicatedAt: new Date(),
isNotResponding: false,
});
fetchInstanceMetadata(i);
});
} catch (res) {
// Update stats
registerOrFetchInstanceDoc(host).then(i => {
Instances.update(i.id, {
latestRequestSentAt: new Date(),
latestStatus: res instanceof StatusError ? res.statusCode : null,
isNotResponding: true,
});
});
if (res instanceof StatusError) {
// 4xx
if (res.isClientError) {
// A client error means that something is wrong with the request we are making,
// which means that retrying it makes no sense.
return `${res.statusCode} ${res.statusMessage}`;
}
// 5xx etc., throwing an Error will make Bull retry
throw new Error(`${res.statusCode} ${res.statusMessage}`);
} else {
// DNS error, socket error, timeout ...
throw res;
}
}
};