var validate_signature = parms.signature;
delete parms.signature;
var formData = parms;
ValidateKeyFromCer(formData,validate_signature,function(err , result){
if (err || !validate_signature || !formData) {
console.log('验签失败');
callback('验签失败');
} else {
var publicKey = result.key;
if (formData.signature) {
delete formData.signature
}
//----验签开始----
var unionPay_parms = transForSign(formData);
var unionPay_parms_sha1 = sha1(unionPay_parms);
//console.log('待验证签：' + validate_signature);
var verifier = crypto.createVerify('RSA-SHA1');
//console.log('验证签名public key:n' + publicKey);
//console.log('验证签名src_sign:' + unionPay_parms_sha1);
verifier.update(new Buffer(unionPay_parms_sha1, 'utf-8'));
var is_success = verifier.verify(publicKey, validate_signature, 'base64');
if (is_success) {
callback(null,formData);
} else {
console.log('验签不相等');
callback('验签不相等');
}
}
});
}
};
// 签名串算法--将参数排序，转成键值对格式字符串
function transForSign(params){
var array = []for (var i in params) {
array.push('' + i + '=' + params[i])
}
var stringSignTemp = _.sortBy(array, function (str) {
return str;
});
return stringSignTemp.join('&');
};
//通过证书密码获得证书的rsa-privatekey值和证书Id
function SignKeyFromPfx(callback){
if (config.certsData) {
callback(null, config.certsData);
} else {
var certPath = config.sign_cert_path;
var certPwd = config.sign_cert_pwd;
var certDir = config.sign_cert_dir;
var p12 = wopenssl.pkcs12.extract(certPath, certPwd);
//console.log(p12.certificate); //p12.certificate和p12.rsa
var certs = wopenssl.x509.parseCert(p12.certificate);
//因为不知道怎么将十六进制证书id:certs.serial变成十进制证书id，因为这是个很大的整形biglong
var certsData = {};
certsData.certId = config.certId;
certsData.key = p12.rsa;
certsData.ca = certs;
//存入config
config.certsData = certsData;
callback(null,certsData); //{key: String, certId: String, ca: Array}
}
};
//获得验签证书的rsa-publickey值
function ValidateKeyFromCer(formData, signature, callback){
if (config.validCertsData) {
callback(null, config.validCertsData);
} else {
var validateCertPath = config.validate_cert_path;
var certs = wopenssl.x509.parseCert(validateCertPath);
//console.log(certs);
var fs = require('fs');
var CERTIFICATE = fs.readFileSync(validateCertPath);
console.log(CERTIFICATE);
var publicKey = CERTIFICATE.toString('ascii');
var validCertsData = {};
validCertsData.key = publicKey;
validCertsData.cert = CERTIFICATE;
config.validCertsData = validCertsData;
if (publicKey) {
callback(null,validCertsData);
} else {
msg = '验签失败';
