/// <summary>
/// 功能描述 解析数据推送请求，生成code>BodyObj</code>消息对象 </summary>
/// <param name="body"> 数据推送请求body部分 </param>
/// <param name="encrypted"> 表征是否为加密消息 </param>
/// <returns> 生成的<code>BodyObj</code>消息对象 </returns>
public static BodyObj resolveBody(String body, bool encrypted)
{
if (string.IsNullOrEmpty(body))
{
body = "";
}
JObject jsonMsg = JObject.Parse(body);
var obj = new BodyObj();
obj.nonce = jsonMsg.GetValue("nonce").ToString();
obj.msgSignature = jsonMsg.GetValue("msg_signature").ToString();
if (encrypted)
{
if (jsonMsg.GetValue("enc_msg") == null)
{
return(null);
}
obj.msg = jsonMsg.GetValue("enc_msg");
obj.msgStr = obj.msg == null ? "" : obj.msg.ToString();
}
else
{
if (jsonMsg.GetValue("msg") == null)
{
return(null);
}
obj.msg = jsonMsg.GetValue("msg");
obj.msgStr = JsonConvert.SerializeObject(obj.msg);
}
return(obj);
}
public static String decryptMsg(BodyObj obj, String encodeKey)
{
try
{
return(CryptoUtil.AES_decrypt(obj.msgStr, encodeKey));
}
catch (Exception ex)
{
Console.WriteLine("error:" + ex.Message);
return("500");
}
}
public static bool checkSignature(BodyObj obj, String token)
{
//计算接受到的消息的摘要
//token长度 + 8B随机字符串长度 + 消息长度
return(VerifySignature(obj.msgStr, obj.nonce, obj.msgSignature, token));
}
