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package net.authorize.sim;
import java.math.BigDecimal;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import javax.crypto.Mac;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import net.authorize.Merchant;
import net.authorize.util.LogHelper;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
*
* @deprecated since version 1.9.8
* @deprecated We have reorganized and simplified the Authorize.Net API to ease integration and to focus on merchants' needs.
* @deprecated We have deprecated AIM, ARB, CIM, and Reporting as separate options, in favor of AuthorizeNet::API (package: net.authorize.api.*).
* @deprecated We have also deprecated SIM as a separate option, in favor of Accept Hosted. See https://developer.authorize.net/api/reference/features/accept_hosted.html for details on Accept Hosted.
* @deprecated For details on AIM, see https://github.com/AuthorizeNet/sample-code-java/tree/master/src/main/java/net/authorize/sample/PaymentTransactions.
* @deprecated For details on the deprecation and replacement of legacy Authorize.Net methods, visit https://developer.authorize.net/api/upgrade_guide/.
*
*/
@Deprecated
public class Fingerprint {
private static Log logger = LogFactory.getLog(Fingerprint.class);
private long sequence;
private long timeStamp;
private String fingerprintHash;
private Fingerprint() {
}
/**
* Creates a fingerprint with raw data fields.
*
* @param loginID
* @param transactionKey
* @param sequence : this number will be concatenated with a random value
* @param amount
* @return A Fingerprint object.
*/
public static Fingerprint createFingerprint(String loginID,
String transactionKey,
long sequence,
String amount) {
return createFingerprint(loginID,transactionKey,sequence,amount,"");
}
/**
* Creates a fingerprint with raw data fields.
*
* @param loginID
* @param transactionKey
* @param sequence : this number will be concatenated with a random value
* @param amount
* @param currency
* @return A Fingerprint object.
*/
public static Fingerprint createFingerprint(String loginID,
String transactionKey, long sequence, String amount, String currency) {
Fingerprint fingerprint = new Fingerprint();
// a sequence number is randomly generated
SecureRandom generator = new SecureRandom();
fingerprint.sequence = Long.parseLong(sequence+""+generator.nextInt(1000));
// a timestamp is generated
fingerprint.timeStamp = System.currentTimeMillis() / 1000;
// This section uses Java Cryptography functions to generate a
// fingerprint
try {
// First, the Transaction key is converted to a "SecretKey" object
SecretKey key = new SecretKeySpec(transactionKey.getBytes(),
"HmacMD5");
// A MAC object is created to generate the hash using the HmacMD5
// algorithm
Mac mac = Mac.getInstance("HmacMD5");
mac.init(key);
String inputstring = loginID + "^" + fingerprint.sequence + "^" +
fingerprint.timeStamp + "^" + amount + "^" + currency;
byte[] result = mac.doFinal(inputstring.getBytes());
// Convert the result from byte[] to hexadecimal format
StringBuilder strbuf = new StringBuilder(result.length * 2);
for (byte aResult : result) {
if (((int) aResult & 0xff) < 0x10) {
strbuf.append("0");
}
strbuf.append(Long.toString((int) aResult & 0xff, 16));
}
fingerprint.fingerprintHash = strbuf.toString();
} catch (NoSuchAlgorithmException nsae) {
LogHelper.error(logger, "Fingerprint creation failed.", nsae);
} catch (InvalidKeyException ike) {
LogHelper.error(logger, "Fingerprint creation failed.", ike);
}
return fingerprint;
}
/**
* Create a fingerprint with object based fields.
*
* @param merchant
* @param sequence : this number will be concatenated with a random value
* @param amount
* @return A Fingerprint object.
*/
public static Fingerprint createFingerprint(Merchant merchant, long sequence,
BigDecimal amount) {
Fingerprint fingerprint = new Fingerprint();
if (merchant != null && amount != null) {
fingerprint = Fingerprint.createFingerprint(merchant.getLogin(),
merchant.getTransactionKey(), sequence, amount.setScale(Transaction.CURRENCY_DECIMAL_PLACES,
BigDecimal.ROUND_HALF_UP).toPlainString());
}
return fingerprint;
}
/**
* Get the sequence that was used in creating the fingerprint.
*
* @return the sequence
*/
public long getSequence() {
return Math.abs(sequence);
}
/**
* Get the timestamp that was used in creating the fingerprint.
*
* @return the timeStamp
*/
public long getTimeStamp() {
return timeStamp;
}
/**
* Get the fingerprint hash.
*
* @return the fingerprintHash
*/
public String getFingerprintHash() {
return fingerprintHash;
}
}
