<?php
if (!array_key_exists('SAMLResponse', $_REQUEST) && !array_key_exists('SAMLart', $_REQUEST)) {
throw new SimpleSAML_Error_BadRequest('Missing SAMLResponse or SAMLart parameter.');
}
if (!array_key_exists('TARGET', $_REQUEST)) {
throw new SimpleSAML_Error_BadRequest('Missing TARGET parameter.');
}
$sourceId = $_SERVER['PATH_INFO'];
$end = strpos($sourceId, '/', 1);
if ($end === FALSE) {
$end = strlen($sourceId);
}
$sourceId = substr($sourceId, 1, $end - 1);
$source = SimpleSAML_Auth_Source::getById($sourceId, 'sspmod_saml_Auth_Source_SP');
SimpleSAML_Logger::debug('Received SAML1 response');
$target = (string)$_REQUEST['TARGET'];
if (preg_match('@^https?://@i', $target)) {
/* Unsolicited response. */
$state = array(
'saml:sp:isUnsolicited' => TRUE,
'saml:sp:AuthId' => $sourceId,
'saml:sp:RelayState' => SimpleSAML_Utilities::checkURLAllowed($target),
);
} else {
$stateID = $_REQUEST['TARGET'];
// sanitize the input
$sid = SimpleSAML_Utilities::parseStateID($stateID);
if (!is_null($sid['url'])) {
SimpleSAML_Utilities::checkURLAllowed($sid['url']);
}
$state = SimpleSAML_Auth_State::loadState($stateID, 'saml:sp:sso');
/* Check that the authentication source is correct. */
assert('array_key_exists("saml:sp:AuthId", $state)');
if ($state['saml:sp:AuthId'] !== $sourceId) {
throw new SimpleSAML_Error_Exception('The authentication source id in the URL does not match the authentication source which sent the request.');
}
assert('isset($state["saml:idp"])');
}
$spMetadata = $source->getMetadata();
if (array_key_exists('SAMLart', $_REQUEST)) {
if (!isset($state['saml:idp'])) {
/* Unsolicited response. */
throw new SimpleSAML_Error_Exception('IdP initiated authentication not supported with the SAML 1.1 SAMLart protocol.');
}
$idpMetadata = $source->getIdPMetadata($state['saml:idp']);
$responseXML = SimpleSAML_Bindings_Shib13_Artifact::receive($spMetadata, $idpMetadata);
$isValidated = TRUE; /* Artifact binding validated with ssl certificate. */
} elseif (array_key_exists('SAMLResponse', $_REQUEST)) {
$responseXML = $_REQUEST['SAMLResponse'];
$responseXML = base64_decode($responseXML);
$isValidated = FALSE; /* Must check signature on response. */
} else {
assert('FALSE');
}
$response = new SimpleSAML_XML_Shib13_AuthnResponse();
$response->setXML($responseXML);
$response->setMessageValidated($isValidated);
$response->validate();
$responseIssuer = $response->getIssuer();
$attributes = $response->getAttributes();
if (isset($state['saml:idp']) && $responseIssuer !== $state['saml:idp']) {
throw new SimpleSAML_Error_Exception('The issuer of the response wasn\'t the destination of the request.');
}
$logoutState = array(
'saml:logout:Type' => 'saml1'
);
$state['LogoutState'] = $logoutState;
$source->handleResponse($state, $responseIssuer, $attributes);
assert('FALSE');
?>
|
Download
