Change structure

lib/nulla_web/controllers/activitypub/inbox_controller.ex

@@ -0,0 +1,215 @@
+defmodule NullaWeb.ActivityPub.InboxController do
+  use NullaWeb, :controller
+  alias Nulla.Snowflake
+  alias Nulla.HTTPSignature
+  alias Nulla.Sender
+  alias Nulla.Utils
+  alias Nulla.Models.User
+  alias Nulla.Models.Actor
+  alias Nulla.Models.Relation
+  alias Nulla.Models.Activity
+
+  def inbox(conn, %{
+        "id" => _create_id,
+        "type" => "Create",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _read_id,
+        "type" => "Read",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _update_id,
+        "type" => "Update",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _delete_id,
+        "type" => "Delete",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _add_id,
+        "type" => "Add",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _view_id,
+        "type" => "View",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _move_id,
+        "type" => "Move",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _undo_id,
+        "type" => "Undo",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => follow_id,
+        "type" => "Follow",
+        "actor" => actor_uri,
+        "object" => target_uri
+      }) do
+    accept_id = Snowflake.next_id()
+
+    with local_actor <- Actor.get_actor(ap_id: target_uri),
+         {:ok, remote_actor_json} <- Utils.fetch_remote_actor(actor_uri),
+         :ok <- HTTPSignature.verify(conn, remote_actor_json["publicKey"]["publicKeyPem"]),
+         {:ok, remote_actor} <- Actor.get_or_create_actor(remote_actor_json),
+         {:ok, follow_activity} <-
+           Activity.create_activity(%{
+             ap_id: follow_id,
+             type: "Follow",
+             actor: remote_actor.ap_id,
+             object: target_uri
+           }),
+         {:ok, accept_activity} <-
+           Activity.create_activity(%{
+             id: accept_id,
+             ap_id: "https://#{local_actor.domain}/activities/accept/#{accept_id}",
+             type: "Accept",
+             actor: local_actor.ap_id,
+             object: Jason.encode!(follow_activity)
+           }),
+         {:ok, _relation} <-
+           Relation.get_or_create_relation(local_actor.id, remote_actor.id, followed_by: true) do
+      user = User.get_user(id: local_actor.id)
+
+      Sender.send_activity(
+        :post,
+        remote_actor.inbox,
+        accept_activity,
+        local_actor.publicKey["id"],
+        user.privateKeyPem
+      )
+
+      send_resp(conn, 200, "")
+    else
+      error ->
+        IO.inspect(error, label: "Follow error")
+        json(conn, %{"error" => "Failed to process Follow"})
+    end
+  end
+
+  def inbox(conn, %{
+        "id" => _accept_id,
+        "type" => "Accept",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _reject_id,
+        "type" => "Reject",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _block_id,
+        "type" => "Block",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _join_id,
+        "type" => "Join",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _leave_id,
+        "type" => "Leave",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _like_id,
+        "type" => "Like",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _dislike_id,
+        "type" => "Dislike",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _announce_id,
+        "type" => "Announce",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, %{
+        "id" => _question_id,
+        "type" => "Question",
+        "actor" => _actor_uri,
+        "object" => _target_uri
+      }) do
+    send_resp(conn, 200, "")
+  end
+
+  def inbox(conn, _params) do
+    send_resp(conn, 400, "")
+  end
+end