4 files changed, 41 insertions, 7 deletions
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index d0c014e9d..f32d04175 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -734,6 +734,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     |> Enum.reverse()
   end
 
+  def fetch_instance_activities(params) do
+    params =
+      params
+      |> Map.put("type", ["Create", "Announce"])
+      |> Map.put("instance", params["instance"])
+      |> Map.put("whole_db", true)
+
+    fetch_activities([Pleroma.Constants.as_public()], params, :offset)
+    |> Enum.reverse()
+  end
+
   defp user_activities_recipients(%{"godmode" => true}) do
     []
   end
@@ -961,6 +972,20 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp restrict_muted_reblogs(query, _), do: query
 
+  defp restrict_instance(query, %{"instance" => instance}) do
+    users =
+      from(
+        u in User,
+        select: u.ap_id,
+        where: fragment("? LIKE ?", u.nickname, ^"%@#{instance}")
+      )
+      |> Repo.all()
+
+    from(activity in query, where: activity.actor in ^users)
+  end
+
+  defp restrict_instance(query, _), do: query
+
   defp exclude_poll_votes(query, %{"include_poll_votes" => true}), do: query
 
   defp exclude_poll_votes(query, _) do
@@ -1041,6 +1066,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     |> restrict_reblogs(opts)
     |> restrict_pinned(opts)
     |> restrict_muted_reblogs(opts)
+    |> restrict_instance(opts)
     |> Activity.restrict_deactivated_users()
     |> exclude_poll_votes(opts)
     |> exclude_visibility(opts)
@@ -1207,13 +1233,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     end
   end
 
-  defp collection_private(data) do
-    if is_map(data["first"]) and
-         data["first"]["type"] in ["CollectionPage", "OrderedCollectionPage"] do
+  defp collection_private(%{"first" => first}) do
+    if is_map(first) and
+         first["type"] in ["CollectionPage", "OrderedCollectionPage"] do
       {:ok, false}
     else
       with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <-
-             Fetcher.fetch_and_contain_remote_object_from_id(data["first"]) do
+             Fetcher.fetch_and_contain_remote_object_from_id(first) do
         {:ok, false}
       else
         {:error, {:ok, %{status: code}}} when code in [401, 403] ->
@@ -1228,6 +1254,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     end
   end
 
+  defp collection_private(_data), do: {:ok, true}
+
   def user_data_from_user_object(data) do
     with {:ok, data} <- MRF.filter(data),
          {:ok, data} <- object_to_user_data(data) do
diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
index b2cd965fe..dec5da0d3 100644
--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
@@ -45,7 +45,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   end
 
   def user(conn, %{"nickname" => nickname}) do
-    with %User{} = user <- User.get_cached_by_nickname(nickname),
+    with %User{local: true} = user <- User.get_cached_by_nickname(nickname),
          {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_content_type("application/activity+json")
@@ -53,6 +53,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
       |> render("user.json", %{user: user})
     else
       nil -> {:error, :not_found}
+      %{local: false} -> {:error, :not_found}
     end
   end
 
diff --git a/lib/pleroma/web/activity_pub/relay.ex b/lib/pleroma/web/activity_pub/relay.ex
index fc2619680..99a804568 100644
--- a/lib/pleroma/web/activity_pub/relay.ex
+++ b/lib/pleroma/web/activity_pub/relay.ex
@@ -14,7 +14,6 @@ defmodule Pleroma.Web.ActivityPub.Relay do
       relay_ap_id()
       |> User.get_or_create_service_actor_by_ap_id()
 
-    {:ok, actor} = User.set_invisible(actor, true)
     actor
   end
 
diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index c45662359..01aacbde3 100644
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -903,7 +903,13 @@ defmodule Pleroma.Web.ActivityPub.Utils do
 
   def strip_report_status_data(activity) do
     [actor | reported_activities] = activity.data["object"]
-    stripped_activities = Enum.map(reported_activities, & &1["id"])
+
+    stripped_activities =
+      Enum.map(reported_activities, fn
+        act when is_map(act) -> act["id"]
+        act when is_binary(act) -> act
+      end)
+
     new_data = put_in(activity.data, ["object"], [actor | stripped_activities])
 
     {:ok, %{activity | data: new_data}}