Merge branch 'feature/move-activity' into 'develop'

Support "Move" activity

Closes #1316

See merge request pleroma/pleroma!1883

test/web/activity_pub/transmogrifier_test.exs

@@ -683,6 +683,37 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       assert user.bio == "<p>Some bio</p>"
     end
 
+    test "it works with alsoKnownAs" do
+      {:ok, %Activity{data: %{"actor" => actor}}} =
+        "test/fixtures/mastodon-post-activity.json"
+        |> File.read!()
+        |> Poison.decode!()
+        |> Transmogrifier.handle_incoming()
+
+      assert User.get_cached_by_ap_id(actor).also_known_as == ["http://example.org/users/foo"]
+
+      {:ok, _activity} =
+        "test/fixtures/mastodon-update.json"
+        |> File.read!()
+        |> Poison.decode!()
+        |> Map.put("actor", actor)
+        |> Map.update!("object", fn object ->
+          object
+          |> Map.put("actor", actor)
+          |> Map.put("id", actor)
+          |> Map.put("alsoKnownAs", [
+            "http://mastodon.example.org/users/foo",
+            "http://example.org/users/bar"
+          ])
+        end)
+        |> Transmogrifier.handle_incoming()
+
+      assert User.get_cached_by_ap_id(actor).also_known_as == [
+               "http://mastodon.example.org/users/foo",
+               "http://example.org/users/bar"
+             ]
+    end
+
     test "it works with custom profile fields" do
       {:ok, activity} =
         "test/fixtures/mastodon-post-activity.json"
@@ -1272,6 +1303,30 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["cc"]
       assert [user.follower_address] == activity.data["to"]
     end
+
+    test "it accepts Move activities" do
+      old_user = insert(:user)
+      new_user = insert(:user)
+
+      message = %{
+        "@context" => "https://www.w3.org/ns/activitystreams",
+        "type" => "Move",
+        "actor" => old_user.ap_id,
+        "object" => old_user.ap_id,
+        "target" => new_user.ap_id
+      }
+
+      assert :error = Transmogrifier.handle_incoming(message)
+
+      {:ok, _new_user} = User.update_and_set_cache(new_user, %{also_known_as: [old_user.ap_id]})
+
+      assert {:ok, %Activity{} = activity} = Transmogrifier.handle_incoming(message)
+      assert activity.actor == old_user.ap_id
+      assert activity.data["actor"] == old_user.ap_id
+      assert activity.data["object"] == old_user.ap_id
+      assert activity.data["target"] == new_user.ap_id
+      assert activity.data["type"] == "Move"
+    end
   end
 
   describe "prepare outgoing" do