Add reject processing for activitypub

server/lib/activitypub/process/process-reject.ts

@@ -0,0 +1,32 @@
+import { ActivityReject } from '../../../../shared/models/activitypub/activity'
+import { sequelizeTypescript } from '../../../initializers'
+import { ActorModel } from '../../../models/activitypub/actor'
+import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
+
+async function processRejectActivity (activity: ActivityReject, inboxActor?: ActorModel) {
+  if (inboxActor === undefined) throw new Error('Need to reject on explicit inbox.')
+
+  const targetActor = await ActorModel.loadByUrl(activity.actor)
+
+  return processReject(inboxActor, targetActor)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  processRejectActivity
+}
+
+// ---------------------------------------------------------------------------
+
+async function processReject (actor: ActorModel, targetActor: ActorModel) {
+  return sequelizeTypescript.transaction(async t => {
+    const actorFollow = await ActorFollowModel.loadByActorAndTarget(actor.id, targetActor.id, t)
+
+    if (!actorFollow) throw new Error(`'Unknown actor follow ${actor.id} -> ${targetActor.id}.`)
+
+    await actorFollow.destroy({ transaction: t })
+
+    return undefined
+  })
+}