// 登录weibo.com， 提交POST表单之前需要先获取一些数据
public static PreloginData GetPreloginData()
{
PreloginData d = new PreloginData();
try
{
System.Net.WebRequest wReq = System.Net.WebRequest.Create("http://login.sina.com.cn/sso/prelogin.php?entry=weibo&callback=sinaSSOController.preloginCallBack&su=anNlbnRlciU0MDE2My5jb20%3D&rsakt=mod&checkpin=1&client=ssologin.js(v1.4.11)&_=1381372726787");
System.Net.WebResponse wResp = wReq.GetResponse();
System.IO.Stream respStream = wResp.GetResponseStream();
using (System.IO.StreamReader reader = new System.IO.StreamReader(respStream, Encoding.GetEncoding("utf-8")))
{
String content = reader.ReadLine();
Match matchST = Regex.Match(content, "\"servertime\":[0-9]+"); // 匹配servertime
if (matchST.Length > 0)
{
d.servertime = matchST.Value.Split(':')[1];
}
Match matchNonce = Regex.Match(content, "\"nonce\":\"[^\"]+\""); // 匹配nonce
if (matchNonce.Length > 0)
{
var s = matchNonce.Value.Split(':')[1];
d.nonce = s.Substring(1, s.Length - 2);
}
Match matchRsakv = Regex.Match(content, "\"rsakv\":\"[^\"]+\""); // 匹配rsakv
if (matchRsakv.Length > 0)
{
var rsakv = matchRsakv.Value.Split(':')[1];
d.rsakv = rsakv.Substring(1, rsakv.Length - 2);
}
Match matchPubKey = Regex.Match(content, "\"pubkey\":\"[^\"]+\"");
if (matchPubKey.Length > 0)
{
var pubkey = matchPubKey.Value.Split(':')[1];
d.pubkey = pubkey.Substring(1, pubkey.Length - 2);
}
}
}
catch
{
return null;
}
return d;
}
// 生成sp
private static string createSP(PreloginData preData, string passwd)
{
ScriptEngine se = new ScriptEngine(ScriptLanguage.JavaScript);
object obj = se.Run("getpass", new object[] { passwd, preData.servertime, preData.nonce, preData.pubkey }, ssojs);
return obj.ToString();
}