| public static redirect ( string $url, array $parameters = [], boolean $stay = false ) : string | null | ||
| $url | string | The target url |
| $parameters | array | Extra parameters to be passed as part of the url |
| $stay | boolean | True if we want to stay (returns the url string) False to redirect |
| return | string | null | $url |
public static function redirect($url, $parameters = array(), $stay = false)
{
assert('is_string($url)');
assert('is_array($parameters)');
if (substr($url, 0, 1) === '/') {
$url = self::getSelfURLhost() . $url;
}
/* Verify that the URL is to a http or https site. */
if (!preg_match('@^https?:\\/\\/@i', $url)) {
throw new OneLogin_Saml2_Error('Redirect to invalid URL: ' . $url, OneLogin_Saml2_Error::REDIRECT_INVALID_URL);
}
/* Add encoded parameters */
if (strpos($url, '?') === false) {
$paramPrefix = '?';
} else {
$paramPrefix = '&';
}
foreach ($parameters as $name => $value) {
if ($value === null) {
$param = urlencode($name);
} else {
if (is_array($value)) {
$param = "";
foreach ($value as $val) {
$param .= urlencode($name) . "[]=" . urlencode($val) . '&';
}
if (!empty($param)) {
$param = substr($param, 0, -1);
}
} else {
$param = urlencode($name) . '=' . urlencode($value);
}
}
if (!empty($param)) {
$url .= $paramPrefix . $param;
$paramPrefix = '&';
}
}
if ($stay) {
return $url;
}
header('Pragma: no-cache');
header('Cache-Control: no-cache, must-revalidate');
header('Location: ' . $url);
exit;
} /**
* Obtains the SSO URL containing the AuthRequest
* message deflated.
*
* @param OneLogin_Saml2_Settings $settings Settings
*/
public function getRedirectUrl($returnTo = null)
{
$settings = $this->auth->getSettings();
$authnRequest = new OneLogin_Saml2_AuthnRequest($settings);
$parameters = array('SAMLRequest' => $authnRequest->getRequest());
if (!empty($returnTo)) {
$parameters['RelayState'] = $returnTo;
} else {
$parameters['RelayState'] = OneLogin_Saml2_Utils::getSelfURLNoQuery();
}
$url = OneLogin_Saml2_Utils::redirect($this->auth->getSSOurl(), $parameters, true);
return $url;
}
