added code of mr#2067

1 files changed, 14 insertions, 4 deletions

diff --git a/lib/pleroma/web/twitter_api/controllers/remote_follow_controller.ex b/lib/pleroma/web/twitter_api/controllers/remote_follow_controller.ex
index e5e52a7e8..e0d4d5632 100644
--- a/lib/pleroma/web/twitter_api/controllers/remote_follow_controller.ex
+++ b/lib/pleroma/web/twitter_api/controllers/remote_follow_controller.ex
@@ -16,7 +16,12 @@ defmodule Pleroma.Web.TwitterAPI.RemoteFollowController do
 
   @status_types ["Article", "Event", "Note", "Video", "Page", "Question"]
 
-  plug(OAuthScopesPlug, %{scopes: ["follow", "write:follows"]} when action in [:do_follow])
+  # Note: follower can submit the form (with password auth) not being signed in (having no token)
+  plug(
+    OAuthScopesPlug,
+    %{fallback: :proceed_unauthenticated, scopes: ["follow", "write:follows"]}
+    when action in [:do_follow]
+  )
 
   # GET /ostatus_subscribe
   #
@@ -61,9 +66,8 @@ defmodule Pleroma.Web.TwitterAPI.RemoteFollowController do
 
   # POST  /ostatus_subscribe
   #
-  def do_follow(conn, %{"authorization" => %{"name" => _, "password" => _, "id" => id}}) do
+  def do_follow(%{assigns: %{user: %User{} = user}} = conn, %{"user" => %{"id" => id}}) do
     with {:fetch_user, %User{} = followee} <- {:fetch_user, User.get_cached_by_id(id)},
-         {_, {:ok, user}, _} <- {:auth, Authenticator.get_user(conn), followee},
          {:ok, _, _, _} <- CommonAPI.follow(user, followee) do
       render(conn, "followed.html", %{error: false})
     else
@@ -72,8 +76,9 @@ defmodule Pleroma.Web.TwitterAPI.RemoteFollowController do
     end
   end
 
-  def do_follow(%{assigns: %{user: user}} = conn, %{"user" => %{"id" => id}}) do
+  def do_follow(conn, %{"authorization" => %{"name" => _, "password" => _, "id" => id}}) do
     with {:fetch_user, %User{} = followee} <- {:fetch_user, User.get_cached_by_id(id)},
+         {_, {:ok, user}, _} <- {:auth, Authenticator.get_user(conn), followee},
          {:ok, _, _, _} <- CommonAPI.follow(user, followee) do
       render(conn, "followed.html", %{error: false})
     else
@@ -82,6 +87,11 @@ defmodule Pleroma.Web.TwitterAPI.RemoteFollowController do
     end
   end
 
+  def do_follow(%{assigns: %{user: nil}} = conn, _) do
+    Logger.debug("Insufficient permissions: follow | write:follows.")
+    render(conn, "followed.html", %{error: "Insufficient permissions: follow | write:follows."})
+  end
+
   defp handle_follow_error(conn, {:auth, _, followee} = _) do
     render(conn, "follow_login.html", %{error: "Wrong username or password", followee: followee})
   end