/**
* Prepares the Kohana_Reponse object for
* caching to nginx. This requires the object
* to be flattened to a standard HTTP response
* including full headers.
*
* // Creates a full HTTP valid response
* $this->_create_nginx_cache($response);
*
* @param Kohana_Response response
* @return string
*/
protected function _create_nginx_cache(Kohana_Response $response)
{
// Create empty cache buffer
$cache = '';
// Generate HTTP header
foreach ($response->headers as $key => $value) {
$cache .= "{$key}: {$value}\n";
}
// Check for HTTPS and secure cookie setting
if (empty($_SERVER['HTTPS']) and !Cookie::$secure) {
// Get the response cookies
$cookies = $response->get_cookies();
// Generate cookies
foreach ($cookies as $name => $value) {
$cache .= 'Set-Cookie: ' . $name . '=' . Cookie::salt($name, $value['value']) . '~' . $value['value'] . '; expires: ' . gmdate('D, d M Y H:i:s T', $value['expiration']) . '; path: ' . Cookie::$path . '; domain: ' . Cookie::$domain . (Cookie::$httponly ? '; httpOnly' : '') . "\n";
}
}
// Create HTTP body
$cache .= "\n" . $response->body;
return $cache;
}
