nginx drupal oAuth module patch to settings.php. Lets oAuth run on Pantheon, yeay! Thanks to chustedde, https://drupal.org/comment/8475539#comment-8475539

gistfile1.txt

// Modify server variables to be compatible with the OAuth.php library
$_SERVER['SERVER_NAME'] = $_SERVER['HTTP_HOST'];
if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == "on") {
$_SERVER['SERVER_PORT'] = 443;
}
else {
$_SERVER['SERVER_PORT'] = 80;
}
$_SERVER['QUERY_STRING'] = preg_replace("/&{0,1}q=[^&]*&{0,1}/i", "", $_SERVER['QUERY_STRING']);