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<?php
/*
* AUTHOR: Samuel Muñoz Hidalgo
* EMAIL: samuel.mh@gmail.com
* LAST REVISION: 22-DEC-08
* DESCRIPTION:
* Authentication module.
* Handles the login information
* Infocard's claims are extracted passed as attributes.
*/
class sspmod_InfoCard_Auth_Source_ICAuth extends SimpleSAML_Auth_Source {
//The string used to identify our states.
const STAGEID = 'sspmod_core_Auth_UserPassBase.state';
//The key of the AuthId field in the state.
const AUTHID = 'sspmod_core_Auth_UserPassBase.AuthId';
public function __construct($info, $config) {
assert('is_array($info)');
assert('is_array($config)');
/* Call the parent constructor first, as required by the interface. */
parent::__construct($info, $config);
}
public function authenticate(&$state) {
assert('is_array($state)');
/* We are going to need the authId in order to retrieve this authentication source later. */
$state[self::AUTHID] = $this->authId;
$id = SimpleSAML_Auth_State::saveState($state, self::STAGEID);
$url = SimpleSAML_Module::getModuleURL('InfoCard/login-infocard.php');
SimpleSAML_Utilities::redirectTrustedURL($url, array('AuthState' => $id));
}
public static function handleLogin($authStateId, $xmlToken) {
assert('is_string($authStateId)');
$config = SimpleSAML_Configuration::getInstance();
$autoconfig = $config->copyFromBase('logininfocard', 'config-login-infocard.php');
$idp_key = $autoconfig->getValue('idp_key');
$idp_pass = $autoconfig->getValue('idp_key_pass', NULL);
$sts_crt = $autoconfig->getValue('sts_crt');
$Infocard = $autoconfig->getValue('InfoCard');
$infocard = new sspmod_InfoCard_RP_InfoCard();
$infocard->addIDPKey($idp_key, $idp_pass);
$infocard->addSTSCertificate($sts_crt);
if (!$xmlToken)
SimpleSAML_Logger::debug("XMLtoken: ".$xmlToken);
else
SimpleSAML_Logger::debug("NOXMLtoken: ".$xmlToken);
$claims = $infocard->process($xmlToken);
if($claims->isValid()) {
$attributes = array();
foreach ($Infocard['requiredClaims'] as $claim => $data){
$attributes[$claim] = array($claims->$claim);
}
foreach ($Infocard['optionalClaims'] as $claim => $data){
$attributes[$claim] = array($claims->$claim);
}
// sanitize the input
$sid = SimpleSAML_Utilities::parseStateID($authStateId);
if (!is_null($sid['url'])) {
SimpleSAML_Utilities::checkURLAllowed($sid['url']);
}
/* Retrieve the authentication state. */
$state = SimpleSAML_Auth_State::loadState($authStateId, self::STAGEID);
/* Find authentication source. */
assert('array_key_exists(self::AUTHID, $state)');
$source = SimpleSAML_Auth_Source::getById($state[self::AUTHID]);
if ($source === NULL) {
throw new Exception('Could not find authentication source with id ' . $state[self::AUTHID]);
}
$state['Attributes'] = $attributes;
unset($infocard);
unset($claims);
SimpleSAML_Auth_Source::completeAuth($state);
} else {
unset($infocard);
unset($claims);
return 'wrong_IC';
}
}
}
?>
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