91 lines
3.0 KiB
JavaScript
91 lines
3.0 KiB
JavaScript
import { IsNull } from "typeorm";
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import { renderFollowRelay } from "../remote/activitypub/renderer/follow-relay.js";
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import { renderActivity, attachLdSignature } from "../remote/activitypub/renderer/index.js";
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import renderUndo from "../remote/activitypub/renderer/undo.js";
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import { deliver } from "../queue/index.js";
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import { Users, Relays } from "../models/index.js";
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import { genId } from "../misc/gen-id.js";
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import { Cache } from "../misc/cache.js";
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import { createSystemUser } from "./create-system-user.js";
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const ACTOR_USERNAME = "relay.actor";
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const relaysCache = new Cache("relay", 60 * 60);
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export async function getRelayActor() {
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const user = await Users.findOneBy({
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host: IsNull(),
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username: ACTOR_USERNAME
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});
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if (user) return user;
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const created = await createSystemUser(ACTOR_USERNAME);
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return created;
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}
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export async function addRelay(inbox) {
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const relay = await Relays.insert({
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id: genId(),
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inbox,
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status: "requesting"
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}).then((x)=>Relays.findOneByOrFail(x.identifiers[0]));
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const relayActor = await getRelayActor();
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const follow = renderFollowRelay(relay, relayActor);
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const activity = renderActivity(follow);
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deliver(relayActor, activity, relay.inbox);
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return relay;
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}
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export async function removeRelay(inbox) {
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const relay = await Relays.findOneBy({
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inbox
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});
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if (relay == null) {
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throw new Error("relay not found");
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}
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const relayActor = await getRelayActor();
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const follow = renderFollowRelay(relay, relayActor);
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const undo = renderUndo(follow, relayActor);
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const activity = renderActivity(undo);
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deliver(relayActor, activity, relay.inbox);
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await Relays.delete(relay.id);
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await updateRelaysCache();
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}
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export async function listRelay() {
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const relays = await Relays.find();
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return relays;
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}
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export async function getCachedRelays() {
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return await relaysCache.fetch(null, ()=>Relays.findBy({
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status: "accepted"
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}));
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}
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export async function relayAccepted(id) {
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const result = await Relays.update(id, {
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status: "accepted"
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});
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await updateRelaysCache();
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return JSON.stringify(result);
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}
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async function updateRelaysCache() {
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const relays = await Relays.findBy({
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status: "accepted"
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});
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await relaysCache.set(null, relays);
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}
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export async function relayRejected(id) {
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const result = await Relays.update(id, {
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status: "rejected"
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});
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return JSON.stringify(result);
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}
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export async function deliverToRelays(user, activity) {
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if (activity == null) return;
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const relays = await getCachedRelays();
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if (relays.length === 0) return;
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// TODO
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//const copy = structuredClone(activity);
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const copy = JSON.parse(JSON.stringify(activity));
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if (!copy.to) copy.to = [
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"https://www.w3.org/ns/activitystreams#Public"
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];
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const signed = await attachLdSignature(copy, user);
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for (const relay of relays){
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deliver(user, signed, relay.inbox);
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}
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}
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