<?php
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
require_once('GoodreadsAPI.php');

$back=$_GET['backLocation'];

session_start();
$_SESSION['backLocation'] = $back;

$connection = new GoodreadsAPI(CONSUMER_KEY, CONSUMER_SECRET);
$request_token = $connection->getRequestToken(CALLBACK_URL);

$_SESSION['oauth_token']  = $request_token['oauth_token'];
$_SESSION['oauth_token_secret'] = $request_token['oauth_token_secret'];

$authorize_url = $connection->getLoginURL($request_token);
echo $authorize_url;

?>