Add Twitter API verify_credentials endpoint.

lib/pleroma/web/router.ex

@@ -1,11 +1,25 @@
 defmodule Pleroma.Web.Router do
   use Pleroma.Web, :router
 
+  alias Pleroma.{Repo, User}
+
+  def user_fetcher(username) do
+    {:ok, Repo.get_by(User, %{nickname: username})}
+  end
+
   pipeline :api do
     plug :accepts, ["json"]
   end
 
+  pipeline :authenticated_api do
+    plug :accepts, ["json"]
+    plug :fetch_session
+    plug Pleroma.Plugs.AuthenticationPlug, fetcher: &Pleroma.Web.Router.user_fetcher/1
+  end
+
   scope "/api", Pleroma.Web do
-    pipe_through :api
+    pipe_through :authenticated_api
+
+    post "/account/verify_credentials.json", TwitterAPI.Controller, :verify_credentials
   end
 end

lib/pleroma/web/twitter_api/twitter_api_controller.ex

@@ -0,0 +1,18 @@
+defmodule Pleroma.Web.TwitterAPI.Controller do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Web.TwitterAPI.Representers.UserRepresenter
+
+  def verify_credentials(%{assigns: %{user: user}} = conn, _params) do
+    response = user |> UserRepresenter.to_json
+
+    conn
+    |> json_reply(200, response)
+  end
+
+  defp json_reply(conn, status, json) do
+    conn
+    |> put_resp_content_type("application/json")
+    |> send_resp(status, json)
+  end
+end