lesson: MDL-20705 Fix XSRF issues.

Uses new require_sesskey funciton from MDL-20702.

mod/lesson/action/addcluster.php

@@ -5,7 +5,7 @@
  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  * @package lesson
  **/
-    confirm_sesskey();
+    require_sesskey();
 
     // first get the preceeding page
     // if $pageid = 0, then we are inserting a new page at the beginning of the lesson

mod/lesson/action/addendofbranch.php

@@ -5,7 +5,7 @@
  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  * @package lesson
  **/
-    confirm_sesskey();
+    require_sesskey();
 
     // first get the preceeding page
     $pageid = required_param('pageid', PARAM_INT);

mod/lesson/action/addendofcluster.php

@@ -5,7 +5,7 @@
  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  * @package lesson
  **/
-    confirm_sesskey();
+    require_sesskey();
 
     // first get the preceeding page
     $pageid = required_param('pageid', PARAM_INT);

mod/lesson/action/confirmdelete.php

@@ -5,7 +5,7 @@
  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  * @package lesson
  **/
-    confirm_sesskey();
+    require_sesskey();
 
     $pageid = required_param('pageid', PARAM_INT);
     if (!$thispage = $DB->get_record("lesson_pages", array ("id" => $pageid))) {

mod/lesson/action/continue.php

@@ -5,7 +5,7 @@
  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  * @package lesson
  **/
-    confirm_sesskey();
+    require_sesskey();
 
     // left menu code
     // check to see if the user can see the left menu

mod/lesson/action/delete.php

@@ -5,7 +5,7 @@
  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  * @package lesson
  **/
-    confirm_sesskey();
+    require_sesskey();
 
     $pageid = required_param('pageid', PARAM_INT);
     if (!$thispage = $DB->get_record("lesson_pages", array("id" => $pageid))) {

mod/lesson/action/insertpage.php

@@ -5,7 +5,7 @@
  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  * @package lesson
  **/
-    confirm_sesskey();
+    require_sesskey();
 
     // check to see if the cancel button was pushed
     if (optional_param('cancel', '', PARAM_ALPHA)) {

mod/lesson/action/moveit.php

@@ -5,7 +5,7 @@
  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  * @package lesson
  **/
-    confirm_sesskey();
+    require_sesskey();
 
     $pageid = required_param('pageid', PARAM_INT); //  page to move
     if (!$page = $DB->get_record("lesson_pages", array("id" => $pageid))) {

mod/lesson/action/updatepage.php

@@ -5,7 +5,7 @@
  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  * @package lesson
  **/
-    confirm_sesskey();
+    require_sesskey();
 
     $redirect = optional_param('redirect', '', PARAM_ALPHA);
 

mod/lesson/essay.php

@@ -70,7 +70,7 @@
             }
             break;
         case 'grade':  // Grading form - get the necessary data
-            confirm_sesskey();
+            require_sesskey();
 
             $attemptid = required_param('attemptid', PARAM_INT);
 
@@ -142,7 +142,7 @@
             }
             break;
         case 'email': // Sending an email(s) to a single user or all
-            confirm_sesskey();
+            require_sesskey();
 
             // Get our users (could be singular)
             if ($userid = optional_param('userid', 0, PARAM_INT)) {