/**
* NV_Http::handle_redirects()
*
* @param mixed $url
* @param mixed $args
* @param mixed $response
* @return
*/
static function handle_redirects($url, $args, $response)
{
static $nv_http;
// If no redirects are present, or, redirects were not requested, perform no action.
if (!isset($response['headers']['location']) or $args['_redirection'] === 0) {
return false;
}
// Only perform redirections on redirection http codes
if ($response['response']['code'] > 399 or $response['response']['code'] < 300) {
return false;
}
// Don't redirect if we've run out of redirects
if ($args['redirection']-- <= 0) {
$this->set_error(5);
return false;
}
$redirect_location = $response['headers']['location'];
// If there were multiple Location headers, use the last header specified
if (is_array($redirect_location)) {
$redirect_location = array_pop($redirect_location);
}
$redirect_location = NV_Http::make_absolute_url($redirect_location, $url);
// POST requests should not POST to a redirected location
if ($args['method'] == 'POST') {
if (in_array($response['response']['code'], array(302, 303))) {
$args['method'] = 'GET';
}
}
// Include valid cookies in the redirect process
if (!empty($response['cookies'])) {
foreach ($response['cookies'] as $cookie) {
if ($cookie->test($redirect_location)) {
$args['cookies'][] = $cookie;
}
}
}
// Create object if null
if (is_null($nv_http)) {
$nv_http = new NV_Http();
}
return $nv_http->request($redirect_location, $args);
}
