/**
* Construct controller.
*
* @throws Controller_API_Exception on invalid version, rate limit exceeded, invalid format
*/
public function before()
{
// Log request
$api_request = Model_API_Request::factory();
$api_request->ip = Request::$client_ip;
$api_request->request = $this->request->uri() . (empty($_REQUEST) ? '' : '?' . http_build_query($_REQUEST));
$api_request->created = time();
$api_request->save();
// Check version
$this->version = $this->request->param('version');
if (!in_array($this->version, self::$_versions)) {
throw new Controller_API_Exception('Invalid version');
}
$this->data['version'] = $this->version;
// Rate limit
$rate_limit = (int) Kohana::$config->load('api.rate_limit');
$rate_span = (int) Kohana::$config->load('api.rate_span');
if ($rate_limit) {
$requests = Model_API_Request::request_count(time() - $rate_span, Request::$client_ip);
$requests_left = $rate_limit - $requests;
if ($requests_left < 0) {
throw new Controller_API_Exception('Request limit reached');
}
$this->data['requests'] = $requests;
$this->data['requests_left'] = $requests_left;
$this->data['request_window'] = $rate_span;
}
// Check format
$this->format = $this->request->param('format');
!$this->format and $this->format = self::FORMAT_JSON;
if (!in_array($this->format, self::$_formats)) {
throw new Controller_API_Exception('Invalid format');
}
parent::before();
}
/**
* Construct controller
*/
public function before()
{
// Log request
Jelly::factory('api_request')->set(array('ip' => Request::$client_ip, 'request' => $this->request->uri . (empty($_GET) ? '' : '?' . http_build_query($_GET))))->save();
// Rate limit
$rate_span = Kohana::config('api.rate_span');
$rate_limit = Kohana::config('api.rate_limit');
$requests = Model_API_Request::request_count(time() - $rate_span, Request::$client_ip);
$requests_left = $rate_limit - $requests;
if ($requests_left < 0) {
throw new Controller_API_Exception('Request limit reached');
}
// Check version
$this->version = $this->request->param('version');
if (!in_array($this->version, self::$_versions)) {
throw new Controller_API_Exception('Invalid version');
}
// Check format
$this->format = $this->request->param('format');
!$this->format and $this->format = self::FORMAT_JSON;
if (!in_array($this->format, self::$_formats)) {
throw new Controller_API_Exception('Invalid format');
}
// Set result defaults
$this->data = array('version' => $this->version, 'requests' => $requests, 'requests_left' => $requests_left, 'request_window' => $rate_span);
return parent::before();
}