[#114] Added UserInviteToken creation, adjusted invitation email link to include it.

lib/pleroma/emails/user_email.ex

@@ -38,12 +38,12 @@ defmodule Pleroma.UserEmail do
     |> html_body(html_body)
   end
 
-  def user_invitation_email(user, to_email, to_name \\ nil) do
+  def user_invitation_email(user, user_invite_token, to_email, to_name \\ nil) do
     registration_url =
       Router.Helpers.redirect_url(
         Endpoint,
         :registration_page,
-        ""
+        user_invite_token.token
       )
 
     html_body = """

lib/pleroma/web/twitter_api/twitter_api_controller.ex

@@ -336,8 +336,12 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   def confirm_email(_conn, _params), do: :noop
 
   def email_invite(%{assigns: %{user: user}} = conn, %{"email" => email} = params) do
-    with true <- Pleroma.Config.get([:instance, :invites_enabled]),
-         email <- Pleroma.UserEmail.user_invitation_email(user, email, params["name"]),
+    with true <-
+           Pleroma.Config.get([:instance, :invites_enabled]) &&
+             !Pleroma.Config.get([:instance, :registrations_open]),
+         {:ok, invite_token} <- Pleroma.UserInviteToken.create_token(),
+         email <-
+           Pleroma.UserEmail.user_invitation_email(user, invite_token, email, params["name"]),
          {:ok, _} <- Pleroma.Mailer.deliver(email) do
       json_response(conn, :no_content, "")
     end