Don't allow guest users to follow tag links

diff --git a/user/tag.php b/user/tag.php
index a3bf0ce7dbb4e9ddf137c00093c346d7b4840c65..3a90eb76e1a42cceace996609e587e21a11ab469 100644 (file)
--- a/user/tag.php
+++ b/user/tag.php
@@ -11,6 +11,15 @@ if (empty($CFG->usetags)) {
     error('Tags are disabled!');
 }
 
+if (!isguestuser()) {
+    print_error('noguest');
+}
+
+if (!confirm_sesskey()) {
+    print_error('sesskey');
+}
+
+
 switch ($action) {
     case 'addinterest':
         $id  = optional_param('id', 0, PARAM_INT);