Add reject processing for activitypub

2 files changed, 34 insertions, 0 deletions

diff --git a/server/lib/activitypub/process/process-reject.ts b/server/lib/activitypub/process/process-reject.ts
new file mode 100644
index 000000000..b2de28d79
--- /dev/null
+++ b/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
+  })
+}
diff --git a/server/lib/activitypub/process/process.ts b/server/lib/activitypub/process/process.ts
index 62d310f21..810c28e26 100644
--- a/server/lib/activitypub/process/process.ts
+++ b/server/lib/activitypub/process/process.ts
@@ -7,6 +7,7 @@ import { processCreateActivity } from './process-create'
 import { processDeleteActivity } from './process-delete'
 import { processFollowActivity } from './process-follow'
 import { processLikeActivity } from './process-like'
+import { processRejectActivity } from './process-reject'
 import { processUndoActivity } from './process-undo'
 import { processUpdateActivity } from './process-update'
 
@@ -16,6 +17,7 @@ const processActivity: { [ P in ActivityType ]: (activity: Activity, inboxActor?
   Delete: processDeleteActivity,
   Follow: processFollowActivity,
   Accept: processAcceptActivity,
+  Reject: processRejectActivity,
   Announce: processAnnounceActivity,
   Undo: processUndoActivity,
   Like: processLikeActivity