1 files changed, 74 insertions, 3 deletions
diff --git a/lib/pleroma/web/mastodon_api/views/instance_view.ex b/lib/pleroma/web/mastodon_api/views/instance_view.ex
index 67214dbea..ea2d3aa9c 100644
--- a/lib/pleroma/web/mastodon_api/views/instance_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/instance_view.ex
@@ -5,10 +5,13 @@
 defmodule Pleroma.Web.MastodonAPI.InstanceView do
   use Pleroma.Web, :view
 
+  alias Pleroma.Config
+  alias Pleroma.Web.ActivityPub.MRF
+
   @mastodon_api_level "2.7.2"
 
   def render("show.json", _) do
-    instance = Pleroma.Config.get(:instance)
+    instance = Config.get(:instance)
 
     %{
       uri: Pleroma.Web.base_url(),
@@ -20,16 +23,84 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
         streaming_api: Pleroma.Web.Endpoint.websocket_url()
       },
       stats: Pleroma.Stats.get_stats(),
-      thumbnail: Pleroma.Web.base_url() <> "/instance/thumbnail.jpeg",
+      thumbnail: Keyword.get(instance, :instance_thumbnail),
       languages: ["en"],
       registrations: Keyword.get(instance, :registrations_open),
+      approval_required: Keyword.get(instance, :account_approval_required),
       # Extra (not present in Mastodon):
       max_toot_chars: Keyword.get(instance, :limit),
       poll_limits: Keyword.get(instance, :poll_limits),
       upload_limit: Keyword.get(instance, :upload_limit),
       avatar_upload_limit: Keyword.get(instance, :avatar_upload_limit),
       background_upload_limit: Keyword.get(instance, :background_upload_limit),
-      banner_upload_limit: Keyword.get(instance, :banner_upload_limit)
+      banner_upload_limit: Keyword.get(instance, :banner_upload_limit),
+      background_image: Keyword.get(instance, :background_image),
+      chat_limit: Keyword.get(instance, :chat_limit),
+      description_limit: Keyword.get(instance, :description_limit),
+      pleroma: %{
+        metadata: %{
+          account_activation_required: Keyword.get(instance, :account_activation_required),
+          features: features(),
+          federation: federation(),
+          fields_limits: fields_limits(),
+          post_formats: Config.get([:instance, :allowed_post_formats])
+        },
+        vapid_public_key: Keyword.get(Pleroma.Web.Push.vapid_config(), :public_key)
+      }
+    }
+  end
+
+  def features do
+    [
+      "pleroma_api",
+      "mastodon_api",
+      "mastodon_api_streaming",
+      "polls",
+      "pleroma_explicit_addressing",
+      "shareable_emoji_packs",
+      "multifetch",
+      "pleroma:api/v1/notifications:include_types_filter",
+      if Config.get([:media_proxy, :enabled]) do
+        "media_proxy"
+      end,
+      if Config.get([:gopher, :enabled]) do
+        "gopher"
+      end,
+      if Config.get([:chat, :enabled]) do
+        "chat"
+      end,
+      if Config.get([:instance, :allow_relay]) do
+        "relay"
+      end,
+      if Config.get([:instance, :safe_dm_mentions]) do
+        "safe_dm_mentions"
+      end,
+      "pleroma_emoji_reactions",
+      "pleroma_chat_messages"
+    ]
+    |> Enum.filter(& &1)
+  end
+
+  def federation do
+    quarantined = Config.get([:instance, :quarantined_instances], [])
+
+    if Config.get([:mrf, :transparency]) do
+      {:ok, data} = MRF.describe()
+
+      data
+      |> Map.merge(%{quarantined_instances: quarantined})
+    else
+      %{}
+    end
+    |> Map.put(:enabled, Config.get([:instance, :federating]))
+  end
+
+  def fields_limits do
+    %{
+      max_fields: Config.get([:instance, :max_account_fields]),
+      max_remote_fields: Config.get([:instance, :max_remote_account_fields]),
+      name_length: Config.get([:instance, :account_field_name_length]),
+      value_length: Config.get([:instance, :account_field_value_length])
     }
   end
 end