get SUE & SUP with user name & password

get_sina_weibo_cookie.php

/*
* Author: lynn
* Date: 2013-03-12
*
*/


/*

== prelogin ==

request url:  http://login.sina.com.cn/sso/prelogin.php?entry=weibo&su=aDBtbGVhbiU0MHNpbmEuY24%3D&rsakt=mod&checkpin=1&client=ssologin.js(v1.4.5)

prelogin result:

{
    "retcode": 0,
    "servertime": 1363060593,
    "pcid": "yf-4086bc1b307e3d668bb7f3ec56c3ced0eb15",
    "nonce": "JD4RL8",
    "pubkey": "EB2A38568661887FA180BDDB5CABD5F21C7BFD59C090CB2D245A87AC253062882729293E5506350508E7F9AA3BB77F4333231490F915F6D63C55FE2F08A49B353F444AD3993CACC02DB784ABBB8E42A9B1BBFFFB38BE18D78E87A0E41B9B8F73A928EE0CCEE1F6739884B9777E4FE9E88A1BBE495927AC4A799B3181D6442443",
    "rsakv": "1330428213",
    "showpin": 0,
    "exectime": 9
}

== form data ==

entry:weibo
gateway:1
from:weibo
savestate:7
useticket:1
pagerefer:123.sogou.com
vsnf:1
service:miniblog
pwencode:rsa2
rsakv:1330428213
encoding:UTF-8
prelt:23
url:http%3A%2F%2Fweibo.com%2Fajaxlogin.php%3Fframelogin%3D1%26callback%3Dparent.sinaSSOController.feedBackUrlCallBack
returntype:META
servertime: * get from prelogin request *
nonce: * get from prelogin request *
su: * encodeURIComponent(base64.encode(encodeURIComponent('user_id'))) *
sp: * rsa encode with servertime & nonce & password *

*/