package nimbRestWebService;
import java.nio.charset.StandardCharsets;
import java.text.SimpleDateFormat;
import java.util.*;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Base64;
public class CyberSourcePayment {
private static final String CYBERSOURCE_URL = "https://testsecureacceptance.cybersource.com/pay";
private static final String ACCESS_KEY = "714a6c495ec13d40a6245a01e9621ae9";
private static final String PROFILE_ID = "DF5DB6E1-9725-493D-ABBC-FC34F027391C";
private static final String SECRET_KEY = "7f0657d984b94508b5bf8bf2ece7211632aa317fdfef4148a87369ea565045b06019800d081b430bb5cb1e27638ff898afc311d42fcf4fd08cb12a67aabb35707c951ede0fe146a7accda64a726a11351770fd0478b84264ba585b0d2656366ec0bac67ca517419ea8dcf9f351ae7e06ad268b29f4e84527be5186d1d6f560f3";
public static String generatePaymentForm() throws Exception {
Map<String, String> params = new TreeMap<>();
params.put("access_key", ACCESS_KEY);
params.put("profile_id", PROFILE_ID);
params.put("transaction_uuid", UUID.randomUUID().toString());
params.put("signed_date_time", getUTCDateTime());
params.put("transaction_type", "sale");
params.put("amount", "100.95");
params.put("currency", "USD");
params.put("reference_number", "1730560013735542024294683");
params.put("locale", "en");
// params.put("payment_method", "card");
params.put("unsigned_field_names", "");
/*
* params.put("bill_to_forename", "John"); params.put("bill_to_surname", "Doe");
* params.put("bill_to_address_line1", "123 Main St");
* params.put("bill_to_address_city", "New York");
* params.put("bill_to_address_country", "US"); params.put("bill_to_email",
* "john.doe@example.com"); params.put("bill_to_phone", "1234567890");
* params.put("bill_to_address_postal_code", "10001");
* params.put("bill_to_address_state", "NY");
*/
String signedFieldNames = String.join(",", params.keySet());
params.put("signed_field_names", signedFieldNames);
String signature = generateSignature(params, SECRET_KEY);
params.put("signature", signature);
StringBuilder form = new StringBuilder();
form.append("<html><body onload='document.forms[\"paymentForm\"].submit();'>")
.append("<form name='paymentForm' method='POST' action='").append(CYBERSOURCE_URL).append("'>");
for (Map.Entry<String, String> entry : params.entrySet()) {
form.append("<input type='hidden' name='").append(entry.getKey())
.append("' value='").append(entry.getValue()).append("'/>");
}
form.append("<noscript><input type='submit' value='Click here to proceed to payment'/></noscript>")
.append("</form></body></html>");
return form.toString();
}
private static String getUTCDateTime() {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
simpleDateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
return simpleDateFormat.format(new Date());
}
private static String generateSignature(Map<String, String> params, String secretKey) throws Exception {
StringBuilder data = new StringBuilder();
for (String field : params.get("signed_field_names").split(",")) {
data.append(field).append("=").append(params.get(field)).append(",");
}
if (data.length() > 0) {
data.setLength(data.length() - 1);
}
byte[] decodedKey = hexStringToByteArray(secretKey);
SecretKeySpec secretKeySpec = new SecretKeySpec(decodedKey, "HmacSHA256");
Mac mac = Mac.getInstance("HmacSHA256");
mac.init(secretKeySpec);
byte[] rawHmac = mac.doFinal(data.toString().getBytes(StandardCharsets.UTF_8));
return Base64.getEncoder().encodeToString(rawHmac);
}
private static byte[] hexStringToByteArray(String hex) {
int length = hex.length();
byte[] data = new byte[length / 2];
for (int i = 0; i < length; i += 2) {
data[i / 2] = (byte) ((Character.digit(hex.charAt(i), 16) << 4)
+ Character.digit(hex.charAt(i + 1), 16));
}
return data;
}
public static void main(String[] args) {
try {
String paymentForm = generatePaymentForm();
Files.write(Paths.get("payment.html"), paymentForm.getBytes());
System.out.println("Payment form saved as payment.html. Opening in browser...");
java.awt.Desktop.getDesktop().browse(Paths.get("payment.html").toUri());
} catch (Exception e) {
e.printStackTrace();
}
}
}
Can anyone help me out to solved this problem immediately ?
