1 files changed, 19 insertions, 17 deletions
diff --git a/lib/pleroma/web/masto_fe_controller.ex b/lib/pleroma/web/masto_fe_controller.ex
index 08f92d55f..e788ab37a 100644
--- a/lib/pleroma/web/masto_fe_controller.ex
+++ b/lib/pleroma/web/masto_fe_controller.ex
@@ -1,11 +1,13 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.MastoFEController do
   use Pleroma.Web, :controller
 
   alias Pleroma.User
+  alias Pleroma.Web.MastodonAPI.AuthController
+  alias Pleroma.Web.OAuth.Token
   alias Pleroma.Web.Plugs.EnsurePublicOrAuthenticatedPlug
   alias Pleroma.Web.Plugs.OAuthScopesPlug
 
@@ -26,27 +28,27 @@ defmodule Pleroma.Web.MastoFEController do
   )
 
   @doc "GET /web/*path"
-  def index(%{assigns: %{user: user, token: token}} = conn, _params)
-      when not is_nil(user) and not is_nil(token) do
-    conn
-    |> put_layout(false)
-    |> render("index.html",
-      token: token.token,
-      user: user,
-      custom_emojis: Pleroma.Emoji.get_all()
-    )
-  end
-
   def index(conn, _params) do
-    conn
-    |> put_session(:return_to, conn.request_path)
-    |> redirect(to: "/web/login")
+    with %{assigns: %{user: %User{} = user, token: %Token{app_id: token_app_id} = token}} <- conn,
+         {:ok, %{id: ^token_app_id}} <- AuthController.local_mastofe_app() do
+      conn
+      |> put_layout(false)
+      |> render("index.html",
+        token: token.token,
+        user: user,
+        custom_emojis: Pleroma.Emoji.get_all()
+      )
+    else
+      _ ->
+        conn
+        |> put_session(:return_to, conn.request_path)
+        |> redirect(to: "/web/login")
+    end
   end
 
   @doc "GET /web/manifest.json"
   def manifest(conn, _params) do
-    conn
-    |> render("manifest.json")
+    render(conn, "manifest.json")
   end
 
   @doc "PUT /api/web/settings: Backend-obscure settings blob for MastoFE, don't parse/reuse elsewhere"