/**
* 请求加密，使用AES算法，要求secret为正常的AESkey
*
* @throws Exception
*/
protected static void encrypt(YopRequest request)
{
StringBuilder builder = new StringBuilder();
bool first = true;
NameValueCollection myparams = request.getParams();
foreach (string key in myparams.AllKeys)
{
if (YopConstants.isProtectedKey(key))
{
continue;
}
string[] strValues = myparams.GetValues(key);
List <string> values = new List <string>();
foreach (string s in strValues)
{
values.Add(s);
}
myparams.Remove(key);
if (values == null || values.Count == 0)
{
continue;
}
foreach (string v in values)
{
if (first)
{
first = false;
}
else
{
builder.Append("&");
}
// 避免解密后解析异常，此处需进行encode（此逻辑在整个request做encoding前）
builder.Append(key).Append("=").Append(HttpUtility.UrlEncode(v, Encoding.UTF8));//YopConstants.ENCODING
}
}
string encryptBody = builder.ToString();
if (StringUtils.isBlank(encryptBody))
{
// 没有需加密的参数，则只标识响应需加密
request.addParam(YopConstants.ENCRYPT, true);
}
else
{
if (StringUtils.isNotBlank(request
.getParamValue(YopConstants.APP_KEY)))
{
// 开放应用使用AES加密
string encrypt = AESEncrypter.encrypt(encryptBody,
request.getSecretKey());
request.addParam(YopConstants.ENCRYPT, encrypt);
}
else
{
// 商户身份调用使用Blowfish加密
string encrypt = BlowFish.Encrypt(encryptBody,
request.getSecretKey());
request.addParam(YopConstants.ENCRYPT, encrypt);
}
}
}
