<?php
/**
* Handle linkback() response from Windows Live ID.
*/
if (array_key_exists('wrap_client_state', $_REQUEST)) {
$stateId = $_REQUEST['wrap_client_state'];
// sanitize the input
$sid = SimpleSAML_Utilities::parseStateID($stateId);
if (!is_null($sid['url'])) {
SimpleSAML_Utilities::checkURLAllowed($sid['url']);
}
$state = SimpleSAML_Auth_State::loadState($stateId, sspmod_authwindowslive_Auth_Source_LiveID::STAGE_INIT);
} else {
throw new Exception('Lost OAuth-WRAP Client State');
}
// http://msdn.microsoft.com/en-us/library/ff749771.aspx
if (array_key_exists('wrap_verification_code', $_REQUEST)) {
// Good
$state['authwindowslive:wrap_verification_code'] = $_REQUEST['wrap_verification_code'];
if (array_key_exists('exp', $_REQUEST))
$state['authwindowslive:wrap_exp'] = $_REQUEST['exp'];
} else {
// wrap_error_reason = 'user_denied' means user chose not to login with LiveID
// redirect them to their original page so they can choose another auth mechanism
if ($_REQUEST['wrap_error_reason'] === 'user_denied') {
$e = new SimpleSAML_Error_UserAborted();
SimpleSAML_Auth_State::throwException($state, $e);
}
// Error
throw new Exception('Authentication failed: [' . $_REQUEST['error_code'] . '] ' . $_REQUEST['wrap_error_reason']);
}
/* Find authentication source. */
assert('array_key_exists(sspmod_authwindowslive_Auth_Source_LiveID::AUTHID, $state)');
$sourceId = $state[sspmod_authwindowslive_Auth_Source_LiveID::AUTHID];
$source = SimpleSAML_Auth_Source::getById($sourceId);
if ($source === NULL) {
throw new Exception('Could not find authentication source with id ' . $sourceId);
}
$source->finalStep($state);
SimpleSAML_Auth_Source::completeAuth($state);
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