Twitter API: Support Mastodon-style bios

(multi-line, with links, and user mentions)

lib/pleroma/web/twitter_api/twitter_api_controller.ex

@@ -1,7 +1,9 @@
 defmodule Pleroma.Web.TwitterAPI.Controller do
   use Pleroma.Web, :controller
+  alias Pleroma.Formatter
   alias Pleroma.Web.TwitterAPI.{TwitterAPI, UserView, ActivityView, NotificationView}
   alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
   alias Pleroma.{Repo, Activity, User, Notification}
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Utils
@@ -411,8 +413,17 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   def update_profile(%{assigns: %{user: user}} = conn, params) do
     params =
       if bio = params["description"] do
-        bio_brs = Regex.replace(~r/\r?\n/, bio, "<br>")
-        Map.put(params, "bio", bio_brs)
+        mentions = Formatter.parse_mentions(bio)
+        tags = Formatter.parse_tags(bio)
+        emoji =
+          (user.info["source_data"]["tag"] || [])
+          |> Enum.filter(fn %{"type" => t} -> t == "Emoji" end)
+          |> Enum.map(fn %{"icon" => %{"url" => url}, "name" => name} ->
+            {String.trim(name, ":"), url}
+          end)
+        bio_html = CommonUtils.format_input(bio, mentions, tags)
+        |> Formatter.emojify(emoji)
+        Map.put(params, "bio", bio_html)
       else
         params
       end

lib/pleroma/web/twitter_api/views/user_view.ex

@@ -36,12 +36,10 @@ defmodule Pleroma.Web.TwitterAPI.UserView do
         {String.trim(name, ":"), url}
       end)
 
-    bio = HtmlSanitizeEx.strip_tags(user.bio)
-
     data = %{
       "created_at" => user.inserted_at |> Utils.format_naive_asctime(),
-      "description" => bio,
-      "description_html" => bio |> Formatter.emojify(emoji),
+      "description" => HtmlSanitizeEx.strip_tags(user.bio |> String.replace("<br>", "\n")),
+      "description_html" => HtmlSanitizeEx.basic_html(user.bio),
       "favourites_count" => 0,
       "followers_count" => user_info[:follower_count],
       "following" => following,