* Set configuration for client_id, client_secret and various OAuth endpoints */ require_once 'config.php'; /* * Check the configuration */ require_once 'check_config.php'; /* * Perform all authorization and authentication logic - exchanging auth * code for access token, retrieving user profile info, looking up * pre-existing refresh token in database, updating it (if applicable), * and more. */ require_once 'auth_handler.php'; $authHandler = new AuthHandler($requestType); $authHandler->VerifyAuth(); /* * If an authorization 'code' is set, then we assume the user came from * Google Drive and check to see if the 'state' parameter exists, with * the mode and potially specified file IDs (on open) or a folder parentId * (on create). */ if (isset($_GET['code'])) { /* * State should always be defined */ if (isset($_GET['state'])) { $state = json_decode(stripslashes($_GET['state'])); $_SESSION['mode'] = $state->action; if (isset($state->ids)) { $_SESSION['fileIds'] = $state->ids;