mnet: this stuff is only for logged in users!

blocks/course_list/block_course_list.php

@@ -104,6 +104,12 @@ class block_course_list extends block_list {
     function get_remote_courses() {
         global $THEME, $CFG, $USER, $SESSION;
         $icon  = '<img src="'.$CFG->pixpath.'/i/mnethost.gif" class="icon" alt="'.get_string('course').'" />';
+
+        // only for logged in users!
+        if (!isloggedin() || isguest()) {
+            return false;
+        }
+
         if ($USER->mnethostid != $CFG->mnet_localhost_id) {
             if (!empty($SESSION->mnet_foreign_host_array) && is_array($SESSION->mnet_foreign_host_array)) {
                 $this->content->items[] = get_string('remotemoodles','mnet'); 

blocks/mnet_hosts/block_mnet_hosts.php

@@ -13,6 +13,11 @@ class block_mnet_hosts extends block_list {
     function get_content() {
         global $THEME, $CFG, $USER;
 
+        // only for logged in users!
+        if (!isloggedin() || isguest()) {
+            return false;
+        }
+
         // check for outgoing roaming permission first
         if (!has_capability('moodle/site:mnetlogintoremote', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
             return '';