Expose content type of status sources

lib/pleroma/web/api_spec/operations/status_operation.ex

@@ -761,6 +761,10 @@ defmodule Pleroma.Web.ApiSpec.StatusOperation do
             type: :string,
             description:
               "Subject or summary line, below which status content is collapsed until expanded"
+          },
+          content_type: %Schema{
+            type: :string,
+            description: "The content type of the source"
           }
         }
       }

lib/pleroma/web/common_api/activity_draft.ex

@@ -224,7 +224,10 @@ defmodule Pleroma.Web.CommonAPI.ActivityDraft do
     object =
       note_data
       |> Map.put("emoji", emoji)
-      |> Map.put("source", draft.status)
+      |> Map.put("source", %{
+        "content" => draft.status,
+        "mediaType" => Utils.get_content_type(draft.params[:content_type])
+      })
       |> Map.put("generator", draft.params[:generator])
 
     %__MODULE__{draft | object: object}

lib/pleroma/web/common_api/utils.ex

@@ -219,7 +219,7 @@ defmodule Pleroma.Web.CommonAPI.Utils do
     |> maybe_add_attachments(draft.attachments, attachment_links)
   end
 
-  defp get_content_type(content_type) do
+  def get_content_type(content_type) do
     if Enum.member?(Config.get([:instance, :allowed_post_formats]), content_type) do
       content_type
     else

lib/pleroma/web/mastodon_api/views/status_view.ex

@@ -354,7 +354,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       reblog: nil,
       card: card,
       content: content_html,
-      text: opts[:with_source] && object.data["source"],
+      text: opts[:with_source] && get_source_text(object.data["source"]),
       created_at: created_at,
       edited_at: edited_at,
       reblogs_count: announcement_count,
@@ -465,8 +465,9 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
 
     %{
       id: activity.id,
-      text: Map.get(object.data, "source", ""),
-      spoiler_text: Map.get(object.data, "summary", "")
+      text: get_source_text(Map.get(object.data, "source", "")),
+      spoiler_text: Map.get(object.data, "summary", ""),
+      content_type: get_source_content_type(object.data["source"])
     }
   end
 
@@ -687,4 +688,24 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   end
 
   defp build_image_url(_, _), do: nil
+
+  defp get_source_text(%{"content" => content} = _source) do
+    content
+  end
+
+  defp get_source_text(source) when is_binary(source) do
+    source
+  end
+
+  defp get_source_text(_) do
+    ""
+  end
+
+  defp get_source_content_type(%{"mediaType" => type} = _source) do
+    type
+  end
+
+  defp get_source_content_type(_source) do
+    Utils.get_content_type(nil)
+  end
 end