/**
* Checks to see if the code and headers indicate an expired OAuth token.
* If so, requests a new one.
*
* @private
*/
function checkExpired($code, $headerParser) {
if ($code != 401) return; // HTTP Unauthorized
$authenticateHeader = $headerParser->get('WWW-Authenticate');
if (!$authenticateHeader) return;
if (!preg_match('/oauth_problem="([^"]+)"/', $authenticateHeader, $match)) return;
$oauth_problem = $match[1];
if ($oauth_problem == 'token_expired') {
YahooLogger::error('Access token expired. Please fetch a new one');
}
if ($oauth_problem == 'consumer_key_unknown') {
YahooLogger::error('Consumer Key unkown. Please check that the Consumer Key is valid.');
}
if ($oauth_problem == 'additional_authorization_required') {
YahooLogger::error('The app identified by this Consumer Key is not authorized to access this resource. Authorization is defined under Access Scopes on the application\'s settings page.');
}
}
