Add basic Avatar updating code.

lib/pleroma/web/router.ex

@@ -45,5 +45,6 @@ def user_fetcher(username) do
     post "/favorites/create", TwitterAPI.Controller, :favorite
     post "/favorites/destroy/:id", TwitterAPI.Controller, :unfavorite
     post "/statuses/retweet/:id", TwitterAPI.Controller, :retweet
+    post "/qvitter/update_avatar", TwitterAPI.Controller, :update_avatar
   end
 end

lib/pleroma/web/twitter_api/twitter_api_controller.ex

@@ -3,6 +3,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   alias Pleroma.Web.TwitterAPI.TwitterAPI
   alias Pleroma.Web.TwitterAPI.Representers.{UserRepresenter, ActivityRepresenter}
   alias Pleroma.{Repo, Activity}
+  alias Pleroma.Web.ActivityPub.ActivityPub
 
   def verify_credentials(%{assigns: %{user: user}} = conn, _params) do
     response = user |> UserRepresenter.to_json(%{for: user})
@@ -142,6 +143,18 @@ def register(conn, params) do
     end
   end
 
+  def update_avatar(%{assigns: %{user: user}} = conn, params) do
+    {:ok, object} = ActivityPub.upload(params)
+    change = Ecto.Changeset.change(user, %{avatar: object.data})
+    {:ok, user} = Repo.update(change)
+
+    response = UserRepresenter.to_map(user, %{for: user})
+    |> Poison.encode!
+
+    conn
+    |> json_reply(200, response)
+  end
+
   defp json_reply(conn, status, json) do
     conn
     |> put_resp_content_type("application/json")

test/web/twitter_api/twitter_api_controller_test.exs

@@ -157,6 +157,24 @@ test "with credentials", %{conn: conn, user: current_user} do
     end
   end
 
+  describe "POST /api/qvitter/update_avatar.json" do
+    setup [:valid_user]
+    test "without valid credentials", %{conn: conn} do
+      conn = post conn, "/api/qvitter/update_avatar.json"
+      assert json_response(conn, 403) == %{"error" => "Invalid credentials."}
+    end
+
+    test "with credentials", %{conn: conn, user: current_user} do
+      conn = conn
+      |> with_credentials(current_user.nickname, "test")
+      |> post("/api/qvitter/update_avatar.json", %{img: Pleroma.Web.ActivityPub.ActivityPubTest.data_uri})
+
+      current_user = Repo.get(User, current_user.id)
+      assert is_map(current_user.avatar)
+      assert json_response(conn, 200) == UserRepresenter.to_map(current_user, %{for: current_user})
+    end
+  end
+
   describe "POST /api/favorites/create/:id" do
     setup [:valid_user]
     test "without valid credentials", %{conn: conn} do