Submitter: Robert Lyon (
Branch:    master

commit c2ef805b6c7523802bb8777f4a0ce60aa65f4540
Author: bobthevirus <>
Date:   Wed Jan 30 14:55:51 2019 +1300

Bug 1771774: Allow override of externallogin redirect

When trying to hit a non homepage page where login is required


Change-Id: Ia52dff12c16dd58304bbe9251723311e3b18325e
Signed-off-by: Robert Lyon <>

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  No way to bypass externallogin

Status in Mahara:
  Fix Committed

Bug description:
  When the externallogin setting is turned on, it's impossible to fix
  things such as metadata URLs etc which are required for some external
  logins to work.

  It would be good to be able to pass in a special URL parameter to make
  Mahara skip the external login process. Here is a patch which I can
  push up to gerrit once someone confirms that the proposed change is
  useful and that the url parameter is unique enough:

  diff --git a/htdocs/auth/lib.php b/htdocs/auth/lib.php
  index 779d080352..4baf2c7875 100644
  --- a/htdocs/auth/lib.php
  +++ b/htdocs/auth/lib.php
  @@ -1171,7 +1171,7 @@ function auth_draw_login_page($message=null, Pieform 
$form=null) {
       $externallogin = get_config('externallogin');
  -    if ($externallogin) {
  +    if ($externallogin && !isset($_GET['internallogin'])) {
           $externallogin = preg_replace('/{shorturlencoded}/', 
urlencode(get_relative_script_path()), $externallogin);
           $externallogin = preg_replace('/{wwwroot}/', get_config('wwwroot'), 

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