欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

C#微信小程序服务端获取用户解密信息实例代码

程序员文章站 2023-12-14 12:34:34
 c#微信小程序服务端获取用户解密信息实例代码 实现代码: using aioweb.models; using newtonsoft.json;...

 c#微信小程序服务端获取用户解密信息实例代码

实现代码:

using aioweb.models; 
using newtonsoft.json; 
using newtonsoft.json.linq; 
using system; 
using system.collections.generic; 
using system.data; 
using system.data.sqlclient; 
using system.linq; 
using system.web; 
 
namespace aioweb 
{ 
  /// <summary> 
  /// wxapi 的摘要说明 
  /// </summary> 
  public class wxapi : ihttphandler 
  { 
    public void processrequest(httpcontext context) 
    { 
      context.response.contenttype = "text/plain"; 
 
      string code = ""; 
      string iv = ""; 
      string encrypteddata = ""; 
      try 
      { 
        code = httpcontext.current.request.querystring["code"].tostring(); 
        iv = httpcontext.current.request.querystring["iv"].tostring(); 
        encrypteddata = httpcontext.current.request.querystring["encrypteddata"].tostring(); 
      } 
      catch (exception ex) 
      { 
        context.response.write(ex.tostring()); 
      } 
 
      string appid = "wxdb2641f85b04f1b3"; 
      string secret = "8591d8cd7197b9197e17b3275329a1e7"; 
      string grant_type = "authorization_code"; 
 
      //向微信服务端 使用登录凭证 code 获取 session_key 和 openid  
      string url = "https://api.weixin.qq.com/sns/jscode2session?appid=" + appid + "&secret=" + secret + "&js_code=" + code + "&grant_type=" + grant_type; 
      string type = "utf-8"; 
 
      aioweb.models.getusershelper getusershelper = new aioweb.models.getusershelper(); 
      string j = getusershelper.geturltohtml(url, type);//获取微信服务器返回字符串 
 
      //将字符串转换为json格式 
      jobject jo = (jobject)jsonconvert.deserializeobject(j); 
 
      result res = new result(); 
      try 
      { 
        //微信服务器验证成功 
        res.openid = jo["openid"].tostring(); 
        res.session_key = jo["session_key"].tostring(); 
      } 
      catch (exception) 
      { 
        //微信服务器验证失败 
        res.errcode = jo["errcode"].tostring(); 
        res.errmsg = jo["errmsg"].tostring(); 
      } 
      if (!string.isnullorempty(res.openid)) 
      { 
        //用户数据解密 
        getusershelper.aesiv = iv; 
        getusershelper.aeskey = res.session_key; 
 
        string result = getusershelper.aesdecrypt(encrypteddata); 
 
 
        //存储用户数据 
        jobject _usrinfo = (jobject)jsonconvert.deserializeobject(result); 
 
        userinfo userinfo = new userinfo(); 
        userinfo.openid = _usrinfo["openid"].tostring(); 
 
        try //部分验证返回值中没有unionid 
        { 
          userinfo.unionid = _usrinfo["unionid"].tostring(); 
        } 
        catch (exception) 
        { 
          userinfo.unionid = "unionid"; 
        } 
         
        userinfo.nickname = _usrinfo["nickname"].tostring(); 
        userinfo.gender = _usrinfo["gender"].tostring(); 
        userinfo.city = _usrinfo["city"].tostring(); 
        userinfo.province = _usrinfo["province"].tostring(); 
        userinfo.country = _usrinfo["country"].tostring(); 
        userinfo.avatarurl = _usrinfo["avatarurl"].tostring(); 
 
        object watermark = _usrinfo["watermark"].tostring(); 
        object appid = _usrinfo["watermark"]["appid"].tostring(); 
        object timestamp = _usrinfo["watermark"]["timestamp"].tostring(); 
 
 
        #region 
 
 
        //创建连接池对象(与数据库服务器进行连接) 
        sqlconnection conn = new sqlconnection("server=127.0.0.1;database=test;uid=sa;pwd=1"); 
        //打开连接池 
        conn.open(); 
        //创建命令对象 
        string qrystr = "select * from wechatusers where openid='" + userinfo.openid + "'"; 
        sqlcommand cmdqry = new sqlcommand(qrystr, conn); 
        object obj = cmdqry.executescalar(); 
        if ((object.equals(obj, null)) || (object.equals(obj, system.dbnull.value))) 
        { 
          string str = "insert into wechatusers ([unionid] ,[openid],[nickname],[gender],[city],[province],[country],[avatarurl],[appid],[timestamp],[memo],[counts])values('" + userinfo.unionid + "','" + userinfo.openid + "','" + userinfo.nickname + "','" + userinfo.gender + "','" + userinfo.city + "','" + userinfo.province + "','" + userinfo.country + "','" + userinfo.avatarurl + "','" + appid.tostring() + "','" + timestamp.tostring() + "','来自微信小程序','1')"; 
 
          sqlcommand cmdup = new sqlcommand(str, conn); 
          // 执行操作 
          try 
          { 
            int row = cmdup.executenonquery(); 
          } 
          catch (exception ex) 
          { 
            context.response.write(ex.tostring()); 
          } 
        } 
        else 
        { 
          //多次访问,记录访问次数counts  更新unionid是预防最初没有,后期关联后却仍未记录 
          string str = "update dbo.wechatusers set counts = counts+1,unionid = '" + userinfo.unionid + "' where openid='" + userinfo.openid + "'"; 
          sqlcommand cmdup = new sqlcommand(str, conn); 
          int row = cmdup.executenonquery(); 
        } 
         
        //关闭连接池 
        conn.close(); 
        #endregion 
 
        //返回解密后的用户数据 
        context.response.write(result); 
      } 
      else 
      { 
        context.response.write(j); 
      } 
    } 
 
    public bool isreusable 
    { 
      get 
      { 
        return false; 
      } 
    } 
  } 
} 

getusershelper 帮助类

using system; 
using system.collections.generic; 
using system.io; 
using system.linq; 
using system.security.cryptography; 
using system.text; 
using system.threading.tasks; 
 
namespace aioweb.models 
{ 
  public class getusershelper 
  { 
 
    /// <summary> 
    /// 获取链接返回数据 
    /// </summary> 
    /// <param name="url">链接</param> 
    /// <param name="type">请求类型</param> 
    /// <returns></returns> 
    public string geturltohtml(string url, string type) 
    { 
      try 
      { 
        system.net.webrequest wreq = system.net.webrequest.create(url); 
        // get the response instance. 
        system.net.webresponse wresp = wreq.getresponse(); 
        system.io.stream respstream = wresp.getresponsestream(); 
        // dim reader as streamreader = new streamreader(respstream) 
        using (system.io.streamreader reader = new system.io.streamreader(respstream, encoding.getencoding(type))) 
        { 
          return reader.readtoend(); 
        } 
      } 
      catch (system.exception ex) 
      { 
        return ex.message; 
      } 
    } 
    #region 微信小程序用户数据解密 
 
    public static string aeskey; 
    public static string aesiv; 
 
    /// <summary> 
    /// aes解密 
    /// </summary> 
    /// <param name="inputdata">输入的数据encrypteddata</param> 
    /// <param name="aeskey">key</param> 
    /// <param name="aesiv">向量128</param> 
    /// <returns name="result">解密后的字符串</returns> 
    public string aesdecrypt(string inputdata) 
    { 
      try 
      { 
        aesiv = aesiv.replace(" ", "+"); 
        aeskey = aeskey.replace(" ", "+"); 
        inputdata = inputdata.replace(" ", "+"); 
        byte[] encrypteddata = convert.frombase64string(inputdata); 
 
        rijndaelmanaged rijndaelcipher = new rijndaelmanaged(); 
        rijndaelcipher.key = convert.frombase64string(aeskey); // encoding.utf8.getbytes(aeskey); 
        rijndaelcipher.iv = convert.frombase64string(aesiv);// encoding.utf8.getbytes(aesiv); 
        rijndaelcipher.mode = ciphermode.cbc; 
        rijndaelcipher.padding = paddingmode.pkcs7; 
        icryptotransform transform = rijndaelcipher.createdecryptor(); 
        byte[] plaintext = transform.transformfinalblock(encrypteddata, 0, encrypteddata.length); 
        string result = encoding.utf8.getstring(plaintext); 
 
        return result; 
      } 
      catch (exception) 
      { 
        return null; 
 
      } 
    } 
    #endregion 
  } 
} 

感谢阅读,希望能帮助到大家,谢谢大家对本站的支持!

上一篇:

下一篇: