Add Admin-FE menu for StealEmojiPolicy

Backport of: https://git.pleroma.social/pleroma/pleroma/-/merge_requests/3512

CHANGELOG.md

@@ -16,6 +16,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## 2.4.1
 
+### Added
+- AdminAPI: Missing configuration description for StealEmojiPolicy
+
 ### Fixed
 - MastodonAPI: Stream out Create activities
 - MRF ObjectAgePolicy: Fix pattern matching on "published"

lib/pleroma/web/activity_pub/mrf/steal_emoji_policy.ex

@@ -92,6 +92,51 @@ def filter(%{"object" => %{"emoji" => foreign_emojis, "actor" => actor}} = messa
 
   def filter(message), do: {:ok, message}
 
+  @impl true
+  @spec config_description :: %{
+          children: [
+            %{
+              description: <<_::272, _::_*256>>,
+              key: :hosts | :rejected_shortcodes | :size_limit,
+              suggestions: [any(), ...],
+              type: {:list, :string} | {:list, :string} | :integer
+            },
+            ...
+          ],
+          description: <<_::448>>,
+          key: :mrf_steal_emoji,
+          label: <<_::80>>,
+          related_policy: <<_::352>>
+        }
+  def config_description do
+    %{
+      key: :mrf_steal_emoji,
+      related_policy: "Pleroma.Web.ActivityPub.MRF.StealEmojiPolicy",
+      label: "MRF Emojis",
+      description: "Steals emojis from selected instances when it sees them.",
+      children: [
+        %{
+          key: :hosts,
+          type: {:list, :string},
+          description: "List of hosts to steal emojis from",
+          suggestions: [""]
+        },
+        %{
+          key: :rejected_shortcodes,
+          type: {:list, :string},
+          description: "Regex-list of shortcodes to reject",
+          suggestions: [""]
+        },
+        %{
+          key: :size_limit,
+          type: :integer,
+          description: "File size limit (in bytes), checked before an emoji is saved to the disk",
+          suggestions: ["100000"]
+        }
+      ]
+    }
+  end
+
   @impl true
   def describe do
     {:ok, %{}}