我需要调整 API https://sandbox.api.visa.com/cybersource/payments/flex/v1/keys?apikey= {apikey} 我正在模仿官方文档X-Pay Token,但它失败了“Token验证失败”错误。
{
"responseStatus": {
"status": 401,
"code": "9159",
"severity": "ERROR",
"message": "Token validation failed",
"info": ""
}
}
下面是我的 x-pay-token 生成代码。
import java.math.BigInteger;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.nio.charset.StandardCharsets;
import java.security.SignatureException;
public class T {
private static String resoucePath = "payments/flex/v1/keys";
private static String queryString = "apikey=6DC0NMXO53QQFE6NFOLE213HXA-pvG6xE-1NtuCd5oOQr-O-s";
private static String requestBody = "{encryptionType:RsaOaep256}";
private static String sharedSecret = "gAynzAGf89+V}3{Q4Jx5cp-/R@Y#PEv#1XvxnjQC";
public static void main(String[] args) throws SignatureException {
System.out.println(T.generateXpaytoken(resoucePath, queryString, requestBody, sharedSecret));
}
public static String generateXpaytoken(String resourcePath, String queryString, String requestBody, String sharedSecret) throws SignatureException {
String timestamp = timeStamp();
String beforeHash = timestamp + resourcePath + queryString + requestBody;
String hash = hmacSha256Digest(beforeHash, sharedSecret);
String token = "xv2:" + timestamp + ":" + hash;
return token;
}
private static String timeStamp() {
return String.valueOf(System.currentTimeMillis() / 1000L);
}
private static String hmacSha256Digest(String data, String sharedSecret) throws SignatureException {
return getDigest("HmacSHA256", sharedSecret, data, true);
}
private static String getDigest(String algorithm, String sharedSecret, String data, boolean toLower) throws SignatureException {
try {
Mac sha256HMAC = Mac.getInstance(algorithm);
SecretKeySpec secretKey = new SecretKeySpec(sharedSecret.getBytes(StandardCharsets.UTF_8), algorithm);
sha256HMAC.init(secretKey);
byte[] hashByte = sha256HMAC.doFinal(data.getBytes(StandardCharsets.UTF_8));
String hashString = toHex(hashByte);
return toLower ? hashString.toLowerCase() : hashString;
} catch (Exception e) {
throw new SignatureException(e);
}
}
private static String toHex(byte[] bytes) {
BigInteger bi = new BigInteger(1, bytes);
return String.format("%0" + (bytes.length << 1) + "X", bi);
}
}
有人可以帮助我吗?