TaDdXZTn

1<form id="payment_confirmation" action="https://testsecureacceptance.cybersource.com/pay" method="post">
2    <input type="hidden" name="access_key" value="*******" />
3
4    <input type="hidden" name="profile_id" value="*******">
5    <input type="hidden" name="amount" value="1.00">
6    <input type="hidden" name="currency" value="USD">
7    <input type="hidden" name="locale" value="en">
8    <input type="hidden" name="reference_number" value="121239237934424">
9    <input type="hidden" name="signed_date_time" value="<%= getUTCDateTime() %>"> 
10    <input type="hidden" name="transaction_type" size="25" value="authorization">
11    <input type="hidden" name="payment_method" size="25" value="card">
12    <input type="hidden" name="transaction_uuid" value="<%= UUID.randomUUID() %>">
13    <input type="hidden" name="unsigned_field_names" value="card_type, card_number, card_expiry_date">
14      <input type="hidden" name="signed_field_names" value="access_key,profile_id,transaction_uuid,signed_field_names,unsigned_field_names,signed_date_time,locale,transaction_type,reference_number,amount,currency">
15<!-- <input type="hidden" id="card_type" name="card_type" value="001"/>
16<input type="hidden" id="card_number" name="card_number" value="4242424242424242"/>
17<input type="hidden" id="card_expiry_date" name="card_expiry_date" value="11-2020"/> -->
18    <input type="hidden" id="signature" name="signature" value="${signature}" />
19    <input type="submit" id="submit" value="Confirm"/>
20    </form>
21	
22private String sign(HttpServletRequest request) throws InvalidKeyException,
23            NoSuchAlgorithmException, UnsupportedEncodingException {
24        return sign(buildDataToSign(request), SECRET_KEY);
25    }
26
27    private String sign(String data, String secretKey)
28            throws InvalidKeyException, NoSuchAlgorithmException,
29            UnsupportedEncodingException {
30        SecretKeySpec secretKeySpec = new SecretKeySpec(secretKey.getBytes(),
31                HMAC_SHA256);
32        Mac mac = Mac.getInstance(HMAC_SHA256);
33        mac.init(secretKeySpec);
34        byte[] rawHmac = mac.doFinal(data.getBytes("UTF-8"));
35        return DatatypeConverter.printBase64Binary(rawHmac).replace("n", "");
36    }
37
38    private String buildDataToSign(HttpServletRequest request) {
39        String[] signedFieldNames = String.valueOf(
40                request.getParameter("signed_field_names")).split(",");
41        ArrayList<String> dataToSign = new ArrayList<String>();
42        for (String signedFieldName : signedFieldNames) {
43            dataToSign.add(signedFieldName + "="
44                    + String.valueOf(request.getParameter(signedFieldName)));
45        }
46        return commaSeparate(dataToSign);
47    }
48
49    private String commaSeparate(ArrayList<String> dataToSign) {
50        StringBuilder csv = new StringBuilder();
51        for (Iterator<String> it = dataToSign.iterator(); it.hasNext();) {
52            csv.append(it.next());
53            if (it.hasNext()) {
54                csv.append(",");
55            }
56        }
57        return csv.toString();
58    }