From: toyomoyo <toyomoyo>
Date: Tue, 27 Mar 2007 03:04:15 +0000 (+0000)
Subject: merged fix for MDL-9057, invalid contexts should be ignored
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=863fb22dd7879d26005daa39e89864d346a5d88d;p=moodle.git

merged fix for MDL-9057, invalid contexts should be ignored
---

diff --git a/lib/accesslib.php b/lib/accesslib.php
index 6a9648f4f7..928adf3f7e 100755
--- a/lib/accesslib.php
+++ b/lib/accesslib.php
@@ -3847,6 +3847,14 @@ function user_has_role_assignment($userid, $roleid, $contextid=0) {
  * @param bool deletechild - deltes child contexts dependencies
  */
 function insert_context_rel($context, $deletechild=true, $deleteparent=true) {
+    
+    // first check validity
+    // MDL-9057
+    if (!validate_context($context->contextlevel, $context->instanceid)) {
+        debugging('Error: Invalid context creation request for level "'.s($contextlevel).'", instance "'.s($instanceid).'".');
+        return NULL;  
+    }
+    
     // removes all parents 
     if ($deletechild) {
         delete_records('context_rel', 'c2', $context->id);