public function logout()
{
global $USER;
$token = google_picasa::get_sesskey($USER->id);
$gauth = new google_authsub($token);
// revoke token from google
$gauth->revoke_session_token();
google_picasa::delete_sesskey($USER->id);
$this->subauthtoken = '';
return parent::logout();
}
/**
* Registers to the user_deleted event to revoke any
* subauth tokens we have from them
*
* @param $user user object
* @return boolean true in all cases as its only minor cleanup
*/
function portfolio_googledocs_user_deleted($user)
{
// it is only by luck that the user prefstill exists now?
// We probably need a pre-delete event?
if ($sesskey = google_docs::get_sesskey($user->id)) {
try {
$gauth = new google_authsub($sesskey);
$gauth->revoke_session_token();
} catch (Exception $e) {
// we don't care that much about success- just being good
// google api citzens
return true;
}
}
return true;
}
