/// <summary>
/// 微博预登录
/// </summary>
/// <param name="username">用户名</param>
/// <returns></returns>
public static PreLoginResponseData PreLogin(string username)
{
try
{
string userNameBase64 = Convert.ToBase64String(Encoding.UTF8.GetBytes(HttpUtility.UrlEncode(username)));
string url = "http://login.sina.com.cn/sso/prelogin.php";
PostHelper post = new PostHelper(url);
post.Cookies = new CookieContainer();
post.PostItems = PreLoginData.Create(userNameBase64);
string result = post.Post();
Regex re = new Regex("{.*}");
if (re.IsMatch(result))
{
var data = re.Match(result).ToString();
var responseData = Newtonsoft.Json.JsonConvert.DeserializeObject <PreLoginResponseData>(data);
if (responseData != null)
{
responseData.cookies = PostHelper.GetAllCookies(post.Cookies);
return(responseData);
}
}
}
catch
{ }
return(null);
}
private dynamic PreparePostBodyForLogin(PreLoginData preLoginData)
{
var showPin = preLoginData.ServerData.showpin == "1";
if (showPin && string.IsNullOrEmpty(Pin))
{
_preLoginDataState = preLoginData;
throw new SinaPinNotFoundException(preLoginData.ServerData.pcid);
}
dynamic postObj = new ExpandoObject();
postObj.entry = "weibo";
postObj.gateway = 1;
postObj.from = string.Empty;
postObj.savestate = 7;
postObj.useticket = 1;
postObj.vsnf = 1;
postObj.su = preLoginData.UserName;
postObj.service = "miniblog";
postObj.servertime = preLoginData.ServerData.serverTime;
postObj.nonce = preLoginData.ServerData.nonce;
postObj.pwencode = "rsa2";
postObj.rsakv = preLoginData.ServerData.rsakv;
postObj.sp = preLoginData.Password;
postObj.sr = "1366*768";
postObj.prelt = 282;
postObj.encoding = "UTF-8";
postObj.url = "http://weibo.com/ajaxlogin.php?framelogin=1&callback=parent.sinaSSOController.feedBackUrlCallBack";
postObj.returntype = "META";
return(postObj);
}
private async Task <PreLoginData> PreLoginAsync()
{
if (_preLoginDataState != null)
{
var preLogin = _preLoginDataState;
_preLoginDataState = null;
return(preLogin);
}
var userName = EncodeUserName(_userName);
var preLoginJsonResult = await PreLoginAsync(userName);
var preLoginData = JToken.Parse(preLoginJsonResult);
dynamic serverData = new ExpandoObject();
serverData.serverTime = preLoginData["servertime"]?.ToString();
serverData.nonce = preLoginData["nonce"]?.ToString();
serverData.rsakv = preLoginData["rsakv"]?.ToString();
serverData.pubkey = "0" + preLoginData["pubkey"]?.ToString();
serverData.showpin = preLoginData["showpin"]?.ToString();
serverData.pcid = preLoginData["pcid"]?.ToString();
var data = new PreLoginData
{
UserName = userName,
Password = EncodePassword(_password, serverData.serverTime, serverData.nonce, serverData.pubkey),
ServerData = serverData
};
return(data);
}
public SinaWeiboLoginSimulator(string userName, string password, CookieContainer cookieContainer = null)
{
_userName = userName;
_password = password;
_cookieContainer = cookieContainer ?? new CookieContainer();
_webRequestEx = new WebRequestEx(_cookieContainer);
_preLoginDataState = null;
}
public async Task <string> RefreshPinImageAsync()
{
_preLoginDataState = await PreLoginAsync();
return(SinaWeiboUtility.GeneratePinImageUrl(_preLoginDataState.ServerData.pcid));
}
