/**
* @param string $url
* @param AuthProvider $auth
* @return object representing the requested resource
* @throws InvalidAPIResponseException
* @throws NoResponseException
*/
public static function request($url, $auth)
{
// init curl request
$req = curl_init();
curl_setopt($req, CURLOPT_RETURNTRANSFER, true);
$attempts = 0;
$res = false;
while ($res === false && $attempts < 3) {
curl_setopt($req, CURLOPT_URL, $url . 'access_token=' . $auth->getToken());
$res = curl_exec($req);
if (curl_getinfo($req, CURLINFO_HTTP_CODE) == 401 && $attempts < 2) {
$auth->getNewToken();
$res = false;
} elseif ($res) {
$res = json_decode($res);
if ($res === null) {
$res = false;
}
}
$attempts++;
}
// validate response
if ($res === false) {
throw new NoResponseException("Could not load endpoint " . $url);
} elseif ($res == null) {
echo curl_getinfo($req, CURLOPT_URL);
throw new InvalidAPIResponseException("Invalid Response on " . $url);
} else {
return $res;
}
}
/**
* getNewToken()
*
* function that generates a new access token and returns it
*
* @return String new access token
* @throws InvalidCredentialsException
*/
public function getNewToken()
{
if ($this->_authProvider instanceof AuthProvider) {
$this->_token = $this->_authProvider->getNewToken();
return $this->_token;
} else {
throw new InvalidCredentialsException("Could not get token from sub auth provider");
}
}
/**
* Return auth provider code by id
*
* @param type $code
* @return type
* @throws \CException
*/
public static function getIdByCode($code)
{
$row = AuthProvider::model()->find('code = :code', array(':code' => $code));
if (!$row) {
throw new \CException("Undefined auth provider code {$code}");
}
return $row->id;
}