mmygRntY

1private static function generateKokattoAPISignedRequest($queryString, $secretKey) {
2
3    //construct query string into map
4    parse_str($queryString, $queryStringMap);
5
6    //sort map by key
7    ksort($queryStringMap);
8
9    //construct map into query string
10    $query = http_build_query($queryStringMap);
11
12    //md5 hash query string
13    $queryMd5 = md5($query);
14
15    //generate hmac hash with sha256 method
16    $queryHmacSha256 = hash_hmac('sha256', $queryMd5, $secretKey);
17
18    //url encode hmac hash
19    $signatureEncoded = urlencode($queryHmacSha256);
20
21    //append the signature in query parameters
22    $queryEncoded = $queryString . "&signature=" . $signatureEncoded;
23
24    return $queryEncoded;
25
26}