public CommonParamModel Sign(List <string> paramArr)
{
CommonParamModel commonParam = new CommonParamModel();
string key = System.Configuration.ConfigurationManager.AppSettings["WS_Pass"];
commonParam.timestamp = DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");
string str = string.Format("timestamp={0}&key={1}", commonParam.timestamp, key);
//MD5加密
var md5 = MD5.Create();
var bs = md5.ComputeHash(Encoding.UTF8.GetBytes(str));
var sb = new StringBuilder();
foreach (byte b in bs)
{
sb.Append(b.ToString("x2"));
}
string newvalue = sb.ToString().ToUpper();
newvalue = newvalue.Substring(newvalue.Length - 1, 1) + newvalue.Substring(1, newvalue.Length - 2) + newvalue.Substring(0, 1);
var token = commonParam.token = newvalue;
StringBuilder sbvalue = new StringBuilder();
sbvalue.AppendFormat("token={0}", token);
for (int i = 0; i < paramArr.Count; i++)
{
sbvalue.AppendFormat("&{0}", paramArr[i]);
}
//if (sbvalue.ToString().IndexOf("from=miniprogram") >= 0 && sbvalue.ToString().IndexOf("[{") >= 0) //针对小程序特殊处理
// return true;
//MD5加密
var bs2 = md5.ComputeHash(Encoding.UTF8.GetBytes(sbvalue.ToString()));
var sb2 = new StringBuilder();
foreach (byte b in bs2)
{
sb2.Append(b.ToString("x2"));
}
string newvalue2 = sb2.ToString().ToUpper();
newvalue2 = newvalue2.Substring(newvalue2.Length - 1, 1) + newvalue2.Substring(1, newvalue2.Length - 2) + newvalue2.Substring(0, 1);
commonParam.sign = newvalue2;
return(commonParam);
}
/// <summary>
/// 验证签名
/// </summary>
/// <param name="actionArguments"></param>
/// <returns></returns>
public bool Verify(Dictionary <string, object> actionArguments)
{
object paramObj = actionArguments.Values.FirstOrDefault();
if (paramObj == null)
{
return(false);
}
var prop = paramObj.GetType().GetProperties();
CommonParamModel common = prop[1].GetValue(paramObj) as CommonParamModel;
if (common == null)
{
return(false);
}
object data = prop[0].GetValue(paramObj);
var type = data.GetType();
if (type.IsPrimitive || type.Name.Equals("String"))
{
return(Verify(common.timestamp, common.token, common.sign, data.ToString()));
}
if (type.Name.Equals("JObject"))
{
var jobj = data as JObject;
var strArr = new List <string>();
foreach (var item in jobj)
{
strArr.Add(item.Value.ToString());
}
return(Verify(common.timestamp, common.token, common.sign, strArr.ToArray()));
}
var paramArr = type.GetProperties().Select(a => a.GetValue(data)?.ToString()).ToArray();
return(Verify(common.timestamp, common.token, common.sign, paramArr));
}
