Move ensure_sanity call to just after where the file it is in is included,

to get the sanity checks done as soon as possible.

Include the auth page, but only after we know what theme we are supposed to
use, which allows drawing of correct login boxes.

htdocs/init.php

@@ -67,11 +67,11 @@ if (!isset($CFG->wwwroot)) {
 
 // core libraries
 require('mahara.php');
+ensure_sanity();
 require('dml.php');
 require('constants.php');
 require('web.php');
 require('session.php');
-ensure_sanity();
 
 // Database access functions
 require('adodb/adodb-exceptions.inc.php');
@@ -119,4 +119,9 @@ if (!get_config('theme')) {
 
 $CFG->themeurl = get_config('wwwroot') . 'theme/' . get_config('theme') . '/static/';
 
+// Only do authentication once we know the page theme, so that the login form
+// can have the correct theming.
+require('auth.php');
+auth_setup();
+
 ?>