Merge branch 'bugfix/object-fetching-handle-mrf-reject' into 'develop'
[akkoma] / lib / pleroma / web / activity_pub / utils.ex
index 3229949c063080bb9e0ac5b5c8fcad9336be6778..0664b5a2ed4b6f9f48b7520027ab97a451c7dd42 100644 (file)
@@ -4,6 +4,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   alias Pleroma.Web.Endpoint
   alias Ecto.{Changeset, UUID}
   import Ecto.Query
+  require Logger
 
   # Some implementations send the actor URI as the actor field, others send the entire actor object,
   # so figure out what the actor's URI is based on what we have.
@@ -127,7 +128,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   Inserts a full object if it is contained in an activity.
   """
   def insert_full_object(%{"object" => %{"type" => type} = object_data})
-      when is_map(object_data) and type in ["Note"] do
+      when is_map(object_data) and type in ["Article", "Note", "Video"] do
     with {:ok, _} <- Object.create(object_data) do
       :ok
     end
@@ -203,23 +204,44 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   end
 
   def add_like_to_object(%Activity{data: %{"actor" => actor}}, object) do
-    with likes <- [actor | object.data["likes"] || []] |> Enum.uniq() do
+    likes = if is_list(object.data["likes"]), do: object.data["likes"], else: []
+
+    with likes <- [actor | likes] |> Enum.uniq() do
       update_likes_in_object(likes, object)
     end
   end
 
   def remove_like_from_object(%Activity{data: %{"actor" => actor}}, object) do
-    with likes <- (object.data["likes"] || []) |> List.delete(actor) do
+    likes = if is_list(object.data["likes"]), do: object.data["likes"], else: []
+
+    with likes <- likes |> List.delete(actor) do
       update_likes_in_object(likes, object)
     end
   end
 
   #### Follow-related helpers
 
+  @doc """
+  Updates a follow activity's state (for locked accounts).
+  """
+  def update_follow_state(%Activity{} = activity, state) do
+    with new_data <-
+           activity.data
+           |> Map.put("state", state),
+         changeset <- Changeset.change(activity, data: new_data),
+         {:ok, activity} <- Repo.update(changeset) do
+      {:ok, activity}
+    end
+  end
+
   @doc """
   Makes a follow activity data for the given follower and followed
   """
-  def make_follow_data(%User{ap_id: follower_id}, %User{ap_id: followed_id} = followed, activity_id) do
+  def make_follow_data(
+        %User{ap_id: follower_id},
+        %User{ap_id: followed_id} = followed,
+        activity_id
+      ) do
     data = %{
       "type" => "Follow",
       "actor" => follower_id,
@@ -228,8 +250,10 @@ defmodule Pleroma.Web.ActivityPub.Utils do
       "object" => followed_id
     }
 
-    if activity_id, do: Map.put(data, "id", activity_id), else: data
-    if User.locked?(followed), do: Map.put(data, "state", "pending"), else: data
+    data = if activity_id, do: Map.put(data, "id", activity_id), else: data
+    data = if User.locked?(followed), do: Map.put(data, "state", "pending"), else: data
+
+    data
   end
 
   def fetch_latest_follow(%User{ap_id: follower_id}, %User{ap_id: followed_id}) do
@@ -282,6 +306,24 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   @doc """
   Make announce activity data for the given actor and object
   """
+  # for relayed messages, we only want to send to subscribers
+  def make_announce_data(
+        %User{ap_id: ap_id, nickname: nil} = user,
+        %Object{data: %{"id" => id}} = object,
+        activity_id
+      ) do
+    data = %{
+      "type" => "Announce",
+      "actor" => ap_id,
+      "object" => id,
+      "to" => [user.follower_address],
+      "cc" => [],
+      "context" => object.data["context"]
+    }
+
+    if activity_id, do: Map.put(data, "id", activity_id), else: data
+  end
+
   def make_announce_data(
         %User{ap_id: ap_id} = user,
         %Object{data: %{"id" => id}} = object,
@@ -336,14 +378,27 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     if activity_id, do: Map.put(data, "id", activity_id), else: data
   end
 
-  def add_announce_to_object(%Activity{data: %{"actor" => actor}}, object) do
-    with announcements <- [actor | object.data["announcements"] || []] |> Enum.uniq() do
+  def add_announce_to_object(
+        %Activity{
+          data: %{"actor" => actor, "cc" => ["https://www.w3.org/ns/activitystreams#Public"]}
+        },
+        object
+      ) do
+    announcements =
+      if is_list(object.data["announcements"]), do: object.data["announcements"], else: []
+
+    with announcements <- [actor | announcements] |> Enum.uniq() do
       update_element_in_object("announcement", announcements, object)
     end
   end
 
+  def add_announce_to_object(_, object), do: {:ok, object}
+
   def remove_announce_from_object(%Activity{data: %{"actor" => actor}}, object) do
-    with announcements <- (object.data["announcements"] || []) |> List.delete(actor) do
+    announcements =
+      if is_list(object.data["announcements"]), do: object.data["announcements"], else: []
+
+    with announcements <- announcements |> List.delete(actor) do
       update_element_in_object("announcement", announcements, object)
     end
   end