Make signup/login URLs configurable

Allows instances with LDAP/SSO setup to send users to the correct URLs

app/helpers/application_helper.rb

@@ -50,12 +50,20 @@ module ApplicationHelper
 
   def available_sign_up_path
     if closed_registrations? || omniauth_only?
-      'https://joinmastodon.org/#getting-started'
+      ENV.fetch('SSO_ACCOUNT_SIGN_UP', 'https://joinmastodon.org/#getting-started')
     else
       ENV.fetch('SSO_ACCOUNT_SIGN_UP', new_user_registration_path)
     end
   end
 
+  def available_reset_password_path
+    ENV.fetch('SSO_ACCOUNT_RESET_PASSWORD', new_user_password_path)
+  end
+
+  def available_resend_confirmation_path
+    ENV.fetch('SSO_ACCOUNT_RESEND_CONFIRMATION', new_user_confirmation_path)
+  end
+
   def omniauth_only?
     ENV['OMNIAUTH_ONLY'] == 'true'
   end

app/views/auth/shared/_links.html.haml

@@ -9,10 +9,10 @@
       %li= link_to t('auth.register'), available_sign_up_path
 
     - if controller_name != 'passwords' && controller_name != 'registrations'
-      %li= link_to t('auth.forgot_password'), new_user_password_path
+      %li= link_to t('auth.forgot_password'), available_reset_password_path
 
   - if controller_name != 'confirmations' && (!user_signed_in? || !current_user.confirmed? || current_user.unconfirmed_email.present?)
-    %li= link_to t('auth.didnt_get_confirmation'), new_user_confirmation_path
+    %li= link_to t('auth.didnt_get_confirmation'), available_resend_confirmation_path
 
   - if user_signed_in?
     %li= link_to t('auth.logout'), destroy_user_session_path, data: { method: :delete }