<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=gb2312"/>
<title>Sina Visitor System</title>
</head>
<body>
<span id="message"></span>
<script type="text/javascript" src="/js/visitor/mini.js"></script>
<script type="text/javascript">
var url = url || {};
(function () {
this.l = function (u, c) {
try {
var s = document.createElement("script");
s.type = "text/javascript";
s[document.all ? "onreadystatechange" : "onload"] = function () {
if (document.all && this.readyState != "loaded" && this.readyState != "complete") {
return
}
this[document.all ? "onreadystatechange" : "onload"] = null;
this.parentNode.removeChild(this);
if (c) {
c()
}
};
s.src = u;
document.getElementsByTagName("head")[0].appendChild(s)
} catch (e) {
}
};
}).call(url);
// 流程入口
wload(function () {
try {
if (!Store.CookieHelper.get('SRF')) {
// 尝试从cookie获取用户身份，获取失败走创建访客流程
tid.get(function (tid, where, confidence) {
incarnate(tid, where, confidence);
});
} else {
// 用户身份存在，尝试恢复用户身份
restore();
}
} catch (e) {
// 出错
error_back();
}
});
// 跳转回初始页面
var return_back = function (response) {
if (response['retcode'] == 20000000) {
var url = "http://weibo.com/";
if (url != "none") {
window.location.href = url;
}
} else {
// 出错
error_back(response['msg']);
}
};
// 向新浪域发送请求，为新浪域种下访客 cookie
var cross_domain = function (response) {
var from = "weibo";
if (response['retcode'] == 20000000) {
var cross_domain_intr = "http://login.sina.com.cn/visitor/visitor?a=crossdomain&cb=return_back&s=" +
encodeURIComponent(response['data']['sub']) + "&sp=" + encodeURIComponent(response['data']['subp']) + "&from=" + from + "&_rand=" + Math.random();
url.l(cross_domain_intr);
} else {
// 出错
error_back(response['msg']);
}
};
// 为用户赋予访客 cookie
var incarnate = function (tid, where, conficence) {
var gen_conf = "";
var from = "weibo";
var incarnate_intr = "http://passport.weibo.com/visitor/visitor?a=incarnate&t=" +
encodeURIComponent(tid) + "&w=" + encodeURIComponent(where) + "&c=" + encodeURIComponent(conficence) +
"&gc=" + encodeURIComponent(gen_conf) + "&cb=cross_domain&from=" + from + "&_rand=" + Math.random();
url.l(incarnate_intr);
};
// 恢复用户在weibo域下的cookie
var restore = function () {
var from = "weibo";
var restore_intr = "http://passport.weibo.com/visitor/visitor?a=restore&cb=restore_back&from=" + from + "&_rand=" + Math.random();
url.l(restore_intr);
};
var restore_back = function (response) {
// 身份恢复成功走广播流程，否则走创建访客流程
if (response['retcode'] == 20000000) {
var url = "http://weibo.com/";
var alt = response['data']['alt'];
var savestate = response['data']['savestate'];
if (alt != '' && url != "none") {
var params = 'entry=sso&alt=' + alt + '&returntype=META&url=' + url + '&gateway=1&savestate=' + savestate;
window.location.href = 'http://login.sina.com.cn/sso/login.php?' + params;
} else {
cross_domain(response);
}
} else {
tid.get(function (tid, where, confidence) {
incarnate(tid, where, confidence);
});
}
};
// 出错情况返回原页面
var error_back = function (msg) {
var url = "http://weibo.com/";
if (url != "none") {
if (url.indexOf('ssovie4c55=0') === -1) {
url += (((url.indexOf('?') === -1) ? '?' : '&') + 'ssovie4c55=0');
}
window.location.href = 'http://weibo.com/login.php';
} else {
document.getElementById('message').innerHTML = 'Error occurred' + (msg ? (': ' + msg) : '');
}
}
</script>
</body>
</html>