Add federated blocks

[akkoma] / lib / pleroma / web / activity_pub / activity_pub.ex

diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index ae94b447ae9cef1693e93435c62a798e0a25f6d1..48eba36fddf73475d7ef77ccd0e7fd8d2ab7770d 100644 (file)
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -144,6 +144,24 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     end
   end
 
+  def unannounce(
+        %User{} = actor,
+        %Object{} = object,
+        activity_id \\ nil,
+        local \\ true
+      ) do
+    with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
+         unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
+         {:ok, unannounce_activity} <- insert(unannounce_data, local),
+         :ok <- maybe_federate(unannounce_activity),
+         {:ok, _activity} <- Repo.delete(announce_activity),
+         {:ok, object} <- remove_announce_from_object(announce_activity, object) do
+      {:ok, unannounce_activity, announce_activity, object}
+    else
+      _e -> {:ok, object}
+    end
+  end
+
   def follow(follower, followed, activity_id \\ nil, local \\ true) do
     with data <- make_follow_data(follower, followed, activity_id),
          {:ok, activity} <- insert(data, local),
@@ -181,6 +199,29 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     end
   end
 
+  def block(blocker, blocked, local \\ true) do
+    follow_activity = fetch_latest_follow(blocker, blocked)
+
+    if follow_activity do
+      unfollow(blocker, blocked, local)
+    end
+
+    with block_data <- make_block_data(blocker, blocked),
+         {:ok, activity} <- insert(block_data, local),
+         :ok <- maybe_federate(activity) do
+      {:ok, activity}
+    end
+  end
+
+  def unblock(blocker, blocked, local \\ true) do
+    with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
+         unblock_data <- make_unblock_data(blocker, blocked, block_activity),
+         {:ok, activity} <- insert(unblock_data, local),
+         :ok <- maybe_federate(activity) do
+      {:ok, activity}
+    end
+  end
+
   def fetch_activities_for_context(context, opts \\ %{}) do
     public = ["https://www.w3.org/ns/activitystreams#Public"]
 
@@ -327,7 +368,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
       activity in query,
       where:
         fragment(
-          "not (?->'cc' \\?| ?)",
+          "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
           activity.data,
           ^["https://www.w3.org/ns/activitystreams#Public"]
         )