C# 小程序 getPhoneNumber(e)，后台解析手机号码
小程序中 能获取用户手机号信息，但是需要解密才能得到真实的手机号码。
public ActionResult pay(string jscode,string encryptedData, string iv)
{
bool bosucceed = true;
try
{
string _posdata = "appid=" + appid + "&secret=" + secret + "&js_code=" + jscode + "&grant_type=authorization_code";
string _url = "https://api.weixin.qq.com/sns/jscode2session";//获取openid
string _data = request_url(_url, _posdata);
if (_data.Contains("\"openid\""))
{
string _ip = Request.ServerVariables.Get("Remote_Addr").ToString().Trim();
dynamic _modal = Newtonsoft.Json.Linq.JToken.Parse(_data) as dynamic;
string _openid = _modal.openid;
string _session_key = _modal.session_key;
if(!String.IsNullOrEmpty(encryptedData) && !string.IsNullOrEmpty(IV))
{
//解析手机号码
string _telPhone = getPhoneNumber(encryptedData, IV, _session_key);
}
}
}
catch (Exception ex)
{
return this.Json(new { succeed = false, data = ex.Message }, JsonRequestBehavior.AllowGet);
}
}
#region 请求api
///
/// 请求api
///
///
///
///
private string request_url(string _url, string post_data)
{
string result = ""; string url = _url;// "https://api.weixin.qq.com/sns/jscode2session";
Encoding encoding = Encoding.UTF8;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.ContentType = "application/json";
//request.Headers=""
request.Method = "POST";
byte[] buffer = encoding.GetBytes(post_data.Trim());
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
{
result = reader.ReadToEnd();
}
return result;
}
#endregion
//https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/getPhoneNumber.htm
///
/// AES解密：从小程序中 getPhoneNumber 返回值中，解析手机号码
///
/// 包括敏感数据在内的完整用户信息的加密数据，详细见加密数据解密算法
/// 加密算法的初始向量
///
///
private string getPhoneNumber(string encryptedData, string IV, string Session_key)
{
try
{
byte[] encryData = Convert.FromBase64String(encryptedData); // strToToHexByte(text);
RijndaelManaged rijndaelCipher = new RijndaelManaged();
rijndaelCipher.Key = Convert.FromBase64String(Session_key); // Encoding.UTF8.GetBytes(AesKey);
rijndaelCipher.IV = Convert.FromBase64String(IV);// Encoding.UTF8.GetBytes(AesIV);
rijndaelCipher.Mode = CipherMode.CBC;
rijndaelCipher.Padding = PaddingMode.PKCS7;
ICryptoTransform transform = rijndaelCipher.CreateDecryptor();
byte[] plainText = transform.TransformFinalBlock(encryData, 0, encryData.Length);
string result = Encoding.Default.GetString(plainText);
//动态解析result 成对象
dynamic model = Newtonsoft.Json.Linq.JToken.Parse(result) as dynamic;
return model.phoneNumber;
}
catch (Exception ex)
{
//MessageBox.Show(ex.Message);
return "";
}
}