Viewing file:  WarnShortSSOInterval.php (1.5 KB) -rw-r--r--
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<?php
/**
* Give a warning to the user if we receive multiple requests in a short time.
*
* @package simpleSAMLphp
* @version $Id$
*/
class sspmod_core_Auth_Process_WarnShortSSOInterval extends SimpleSAML_Auth_ProcessingFilter {
/**
* Process a authentication response.
*
* This function checks how long it is since the last time the user was authenticated.
* If it is to short a while since, we will show a warning to the user.
*
* @param array $state The state of the response.
*/
public function process(&$state) {
assert('is_array($state)');
if (!array_key_exists('PreviousSSOTimestamp', $state)) {
/*
* No timestamp from the previous SSO to this SP. This is the first
* time during this session.
*/
return;
}
$timeDelta = time() - $state['PreviousSSOTimestamp'];
if ($timeDelta >= 10) {
/* At least 10 seconds since last attempt. */
return;
}
if (array_key_exists('Destination', $state)
&& array_key_exists('entityid', $state['Destination'])) {
$entityId = $state['Destination']['entityid'];
} else {
$entityId = 'UNKNOWN';
}
SimpleSAML_Logger::warning('WarnShortSSOInterval: Only ' . $timeDelta .
' seconds since last SSO for this user from the SP ' .
var_export($entityId, TRUE));
/* Save state and redirect. */
$id = SimpleSAML_Auth_State::saveState($state, 'core:short_sso_interval');
$url = SimpleSAML_Module::getModuleURL('core/short_sso_interval.php');
SimpleSAML_Utilities::redirect($url, array('StateId' => $id));
}
}
?>
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