1 files changed, 27 insertions, 0 deletions
diff --git a/src/remote/activitypub/kernel/accept/follow.ts b/src/remote/activitypub/kernel/accept/follow.ts
new file mode 100644
index 0000000000..0f414ba321
--- /dev/null
+++ b/src/remote/activitypub/kernel/accept/follow.ts
@@ -0,0 +1,27 @@
+import * as mongo from 'mongodb';
+import User, { IRemoteUser } from '../../../../models/user';
+import config from '../../../../config';
+import accept from '../../../../services/following/requests/accept';
+import { IFollow } from '../../type';
+
+export default async (actor: IRemoteUser, activity: IFollow): Promise<void> => {
+	const id = typeof activity.object == 'string' ? activity.object : activity.object.id;
+
+	if (!id.startsWith(config.url + '/')) {
+		return null;
+	}
+
+	const follower = await User.findOne({
+		_id: new mongo.ObjectID(id.split('/').pop())
+	});
+
+	if (follower === null) {
+		throw new Error('follower not found');
+	}
+
+	if (follower.host != null) {
+		throw new Error('フォローリクエストしたユーザーはローカルユーザーではありません');
+	}
+
+	await accept(actor, follower);
+};