/**
* Redirect back. Uses either the HTTP_REFERER or a manually set request-variable called
* _REDIRECT_BACK_URL.
* This variable is needed in scenarios where not HTTP-Referer is sent (
* e.g when calling a page by location.href in IE).
* If none of the two variables is available, it will redirect to the base
* URL (see {@link Director::baseURL()}).
* @uses redirect()
*/
function redirectBack() {
if($this->request->requestVar('_REDIRECT_BACK_URL')) {
$url = $this->request->requestVar('_REDIRECT_BACK_URL');
} else if($this->request->getHeader('Referer')) {
$url = $this->request->getHeader('Referer');
} else {
$url = Director::baseURL();
}
$this->redirect($url);
}
/**
* Redirect back. Uses either the HTTP_REFERER or a manually set request-variable called
* _REDIRECT_BACK_URL.
* This variable is needed in scenarios where not HTTP-Referer is sent (
* e.g when calling a page by location.href in IE).
* If none of the two variables is available, it will redirect to the base
* URL (see {@link Director::baseURL()}).
* @uses redirect()
*/
function redirectBack()
{
if ($this->request->requestVar('_REDIRECT_BACK_URL')) {
$url = $this->request->requestVar('_REDIRECT_BACK_URL');
} else {
if ($this->request->getHeader('Referer')) {
$url = $this->request->getHeader('Referer');
} else {
$url = Director::baseURL();
}
}
// absolute redirection URLs not located on this site may cause phishing
if (Director::is_site_url($url)) {
return $this->redirect($url);
} else {
return false;
}
}
