<?php

require('include/config.php');

require('include/functions/main.php');

$keyword = $_REQUEST['query'];

$nodeID = $_REQUEST['node'];

$idx = (isset($_GET['index'])) ? $_GET['index'] : $keyword;

$page = $_REQUEST['page'];

$hash = $_REQUEST['hash'];

$keyword = str_replace(" ", "+", $keyword);

$keyword = urlencode($keyword);

$myHash = md5($keyword . $cg['private_key']);

if ($hash != $myHash) { echo ''; exit; }

$searchIndex = $idx;

if (!in_array($searchIndex, $categories)) {

$keyword .= ' ' . $searchIndex;

$searchIndex = 'All'; // reassign All

}

$operation = 'ItemSearch';

$service = 'AWSECommerceService';

$version = '2011-08-01';

$responseGroup = 'ItemAttributes,Images';

$browseNode = $nodeID;

$string_to_sign = build_request($keyword, $searchIndex, $operation, $service, $version, $responseGroup, $page, $browseNode);

$signature = get_signature($string_to_sign);

$request = $cg['amazonUrl'] . '?' . $string_to_sign;

$request .= "&Signature=".$signature;

$maxPage = ($searchIndex == 'All') ? 5 : 10;

//$response = file_get_contents($request);

$response = curl_string($request);

if ($response) {

$xml = array();

$res = simplexml_load_string($response);

//echo json_encode($res);

$obj = arrify($res->Items);

echo json_encode($obj);

} else {

echo '';

}

exit;

?>