<?php
/**
* This page shows a list of authentication sources. When the user selects
* one of them if pass this information to the
* sspmod_multiauth_Auth_Source_MultiAuth class and call the
* delegateAuthentication method on it.
*
* @author Lorenzo Gil, Yaco Sistemas S.L.
* @package simpleSAMLphp
*/
if (!array_key_exists('AuthState', $_REQUEST)) {
throw new SimpleSAML_Error_BadRequest('Missing AuthState parameter.');
}
$authStateId = $_REQUEST['AuthState'];
// 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, sspmod_multiauth_Auth_Source_MultiAuth::STAGEID);
if (array_key_exists("SimpleSAML_Auth_Default.id", $state)) {
$authId = $state["SimpleSAML_Auth_Default.id"];
$as = SimpleSAML_Auth_Source::getById($authId);
} else {
$as = NULL;
}
$source = NULL;
if (array_key_exists('source', $_REQUEST)) {
$source = $_REQUEST['source'];
} else {
foreach ($_REQUEST as $k => $v) {
$k = explode('-', $k, 2);
if (count($k) === 2 && $k[0] === 'src') {
$source = base64_decode($k[1]);
}
}
}
if ($source !== NULL) {
if ($as !== NULL) {
$as->setPreviousSource($source);
}
sspmod_multiauth_Auth_Source_MultiAuth::delegateAuthentication($source, $state);
}
if (array_key_exists('multiauth:preselect', $state)) {
$source = $state['multiauth:preselect'];
sspmod_multiauth_Auth_Source_MultiAuth::delegateAuthentication($source, $state);
}
$globalConfig = SimpleSAML_Configuration::getInstance();
$t = new SimpleSAML_XHTML_Template($globalConfig, 'multiauth:selectsource.php');
$t->data['authstate'] = $authStateId;
$t->data['sources'] = $state[sspmod_multiauth_Auth_Source_MultiAuth::SOURCESID];
if ($as !== NULL) {
$t->data['preferred'] = $as->getPreviousSource();
} else {
$t->data['preferred'] = NULL;
}
$t->show();
exit();
?>
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