ActivityPub: Remove `update` and switch to pipeline.

3 files changed, 43 insertions, 50 deletions

diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 3e4f3ad30..4cc9fe16c 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -321,28 +321,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     end
   end
 
-  @spec update(map()) :: {:ok, Activity.t()} | {:error, any()}
-  def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
-    local = !(params[:local] == false)
-    activity_id = params[:activity_id]
-
-    data =
-      %{
-        "to" => to,
-        "cc" => cc,
-        "type" => "Update",
-        "actor" => actor,
-        "object" => object
-      }
-      |> Maps.put_if_present("id", activity_id)
-
-    with {:ok, activity} <- insert(data, local),
-         _ <- notify_and_stream(activity),
-         :ok <- maybe_federate(activity) do
-      {:ok, activity}
-    end
-  end
-
   @spec follow(User.t(), User.t(), String.t() | nil, boolean(), keyword()) ::
           {:ok, Activity.t()} | {:error, any()}
   def follow(follower, followed, activity_id \\ nil, local \\ true, opts \\ []) do
diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex
index 09fd7d7c9..de143b8f0 100644
--- a/lib/pleroma/web/activity_pub/side_effects.ex
+++ b/lib/pleroma/web/activity_pub/side_effects.ex
@@ -21,13 +21,21 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
   def handle(object, meta \\ [])
 
   # Tasks this handles:
-  # Update the user
+  # - Update the user
+  #
+  # For a local user, we also get a changeset with the full information, so we
+  # can update non-federating, non-activitypub settings as well.
   def handle(%{data: %{"type" => "Update", "object" => updated_object}} = object, meta) do
-    {:ok, new_user_data} = ActivityPub.user_data_from_user_object(updated_object)
+    if changeset = Keyword.get(meta, :user_update_changeset) do
+      changeset
+      |> User.update_and_set_cache()
+    else
+      {:ok, new_user_data} = ActivityPub.user_data_from_user_object(updated_object)
 
-    User.get_by_ap_id(updated_object["id"])
-    |> User.remote_user_changeset(new_user_data)
-    |> User.update_and_set_cache()
+      User.get_by_ap_id(updated_object["id"])
+      |> User.remote_user_changeset(new_user_data)
+      |> User.update_and_set_cache()
+    end
 
     {:ok, object, meta}
   end
diff --git a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
index c38c2b895..f0499621a 100644
--- a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
@@ -20,6 +20,8 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
   alias Pleroma.Plugs.RateLimiter
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.Pipeline
+  alias Pleroma.Web.ActivityPub.Builder
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.MastodonAPI.ListView
   alias Pleroma.Web.MastodonAPI.MastodonAPI
@@ -179,34 +181,39 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
       |> Maps.put_if_present(:default_scope, params["source"]["privacy"])
       |> Maps.put_if_present(:actor_type, params[:actor_type])
 
-    changeset = User.update_changeset(user, user_params)
-
-    with {:ok, user} <- User.update_and_set_cache(changeset) do
-      user
-      |> build_update_activity_params()
-      |> ActivityPub.update()
-
-      render(conn, "show.json", user: user, for: user, with_pleroma_settings: true)
+    # What happens here:
+    #
+    # We want to update the user through the pipeline, but the ActivityPub
+    # update information is not quite enough for this, because this also
+    # contains local settings that don't federate and don't even appear
+    # in the Update activity. 
+    # 
+    # So we first build the normal local changeset, then apply it to the
+    # user data, but don't persist it. With this, we generate the object
+    # data for our update activity. We feed this and the changeset as meta
+    # inforation into the pipeline, where they will be properly updated and
+    # federated.
+    with changeset <- User.update_changeset(user, user_params),
+         {:ok, unpersisted_user} <- Ecto.Changeset.apply_action(changeset, :update),
+         updated_object <-
+           Pleroma.Web.ActivityPub.UserView.render("user.json", user: user)
+           |> Map.delete("@context"),
+         {:ok, update_data, []} <- Builder.update(user, updated_object),
+         {:ok, _update, _} <-
+           Pipeline.common_pipeline(update_data,
+             local: true,
+             user_update_changeset: changeset
+           ) do
+      render(conn, "show.json",
+        user: unpersisted_user,
+        for: unpersisted_user,
+        with_pleroma_settings: true
+      )
     else
       _e -> render_error(conn, :forbidden, "Invalid request")
     end
   end
 
-  # Hotfix, handling will be redone with the pipeline
-  defp build_update_activity_params(user) do
-    object =
-      Pleroma.Web.ActivityPub.UserView.render("user.json", user: user)
-      |> Map.delete("@context")
-
-    %{
-      local: true,
-      to: [user.follower_address],
-      cc: [],
-      object: object,
-      actor: user.ap_id
-    }
-  end
-
   defp normalize_fields_attributes(fields) do
     if Enum.all?(fields, &is_tuple/1) do
       Enum.map(fields, fn {_, v} -> v end)