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Update LTI_Message_Launch.php #69

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Update LTI_Message_Launch.php #69

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6 changes: 3 additions & 3 deletions src/lti/LTI_Message_Launch.php
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Original file line number Diff line number Diff line change
Expand Up @@ -238,8 +238,8 @@ private function cache_launch_data() {

private function validate_state() {
// Check State for OIDC.
if ($this->cookie->get_cookie('lti1p3_' . $this->request['state']) !== $this->request['state']) {
// Error if state doesn't match
if (!isset($this->request['state']) || $this->cookie->get_cookie('lti1p3_' . $this->request['state']) !== $this->request['state']) {
// Error if state is not set, or doesn't match
throw new LTI_Exception("State not found", 1);
}
return $this;
Expand Down Expand Up @@ -369,4 +369,4 @@ private function validate_message() {

}
}
?>
?>