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'duckduckgo.', 'yandex.', 'sm.cn', 'ecosia.'
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}
}
// 2️⃣ 自然搜索流量
if (traffic.type === 'direct' && ref) {
const refLower = ref.toLowerCase();
for (const engine of searchEngines) {
if (refLower.includes(engine) || refLower.includes('/search?') || refLower.includes('query=')) {
traffic = {
type: 'organic',
referrer: ref,
detail: '自然流量',
timestamp: now
};
break;
}
}
}
// 3️⃣ 外部引荐流量
if (traffic.type === 'direct' && ref && !ref.includes(siteDomain)) {
traffic = {
type: 'referral',
referrer: ref,
detail: '外部链接',
timestamp: now
};
}
// 4️⃣ 保存首跳来源（仅首次，保存插件专属数据）
try {
localStorage.setItem(STORAGE_KEY, JSON.stringify(traffic));
} catch (e) {
console.warn('BaiduSeo: localStorage 保存来源失败：', e);
}
return traffic;
};
/**
* 获取操作系统信息（私有化方法，保留原逻辑）
*/
ns.baiduseo_getUserOsInfo = function() {
const userAgent = navigator.userAgent;
if (userAgent.indexOf("Windows NT 10.0") !== -1) return "Windows 10";
if (userAgent.indexOf("Windows NT 6.2") !== -1) return "Windows 8";
if (userAgent.indexOf("Windows NT 6.1") !== -1) return "Windows 7";
if (userAgent.indexOf("Windows NT 6.0") !== -1) return "Windows Vista";
if (userAgent.indexOf("Windows NT 5.1") !== -1) return "Windows XP";
if (userAgent.indexOf("Windows NT 5.0") !== -1) return "Windows 2000";
if (userAgent.indexOf("Mac") !== -1) return "Mac/iOS";
if (userAgent.indexOf("X11") !== -1) return "UNIX";
if (userAgent.indexOf("Linux") !== -1) return "Linux";
return "Other";
};
/**
* 补充：缺失的浏览器类型检测方法（私有化，解决原代码引用报错问题，与原逻辑兼容）
*/
ns.baiduseo_getBrowserType = function() {
const userAgent = navigator.userAgent;
let browser = "Other";
if (/Chrome/i.test(userAgent) && !/Edge/i.test(userAgent)) {
browser = "Chrome";
} else if (/Firefox/i.test(userAgent)) {
browser = "Firefox";
} else if (/Microsoft Edge/i.test(userAgent) || /Edge/i.test(userAgent)) {
browser = "Edge";
} else if (/Safari/i.test(userAgent) && !/Chrome/i.test(userAgent)) {
browser = "Safari";
} else if (/Opera/i.test(userAgent) || /OPR/i.test(userAgent)) {
browser = "Opera";
} else if (/MSIE/i.test(userAgent) || /Trident/i.test(userAgent)) {
browser = "IE";
}
return { browser: browser };
};
/**
* 发送AJAX请求（私有化方法，规范参数编码，保留原业务逻辑）
*/
ns.baiduseo_sendRequest = function() {
// 所有变量用 const/let 声明，避免隐性全局污染
const baiduseo_ip = '216.73.216.29';
const baiduseo_nonce = 'a83d479bfb';
const baiduseo_action = 'baiduseo_liuliang_log';
const baiduseo_userAgent = navigator.userAgent;
// 调用命名空间内的访客来源检测方法，获取最新数据
const trafficData = ns.detectTrafficSource();
const baiduseo_referrer = trafficData.referrer ? trafficData.referrer : "";
const baiduseo_currentUrl = window.location.href;
const baiduseo_allCookies = document.cookie;
const baiduseo_session = 'cfe31b21f1ef8383ec091f1a8d944a4b';
const baiduseo_time = '1769176905';
const baiduseo_language = navigator.language || navigator.userLanguage;
const baiduseo_pla = ns.baiduseo_getUserOsInfo();
const baiduseo_liulanqi = ns.baiduseo_getBrowserType().browser;
const baiduseo_detail = trafficData.detail;
const baiduseo_type = /mobile/i.test(baiduseo_userAgent) ? 2 : 1;
// 初始化XHR对象
const xhr = new XMLHttpRequest();
xhr.open('POST', 'https://www.52bi.cn/wp-admin/admin-ajax.php', true);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
// 可选：添加请求完成后的回调，便于调试排错
xhr.onreadystatechange = function () {
if (xhr.readyState === 4 && xhr.status !== 200) {
console.warn('BaiduSeo: 请求发送失败，状态码：', xhr.status);
}
};
// 核心改造3：所有参数使用 encodeURIComponent 编码，避免特殊字符破坏请求结构
const requestData = [
'ip=' + encodeURIComponent(baiduseo_ip),
'userAgent=' + encodeURIComponent(baiduseo_userAgent),
'referrer=' + encodeURIComponent(baiduseo_referrer),
'currentUrl=' + encodeURIComponent(baiduseo_currentUrl),
'allCookies=' + encodeURIComponent(baiduseo_allCookies),
'nonce=' + encodeURIComponent(baiduseo_nonce),
'action=' + encodeURIComponent(baiduseo_action),
'baiduseo_time=' + encodeURIComponent(baiduseo_time),
'session=' + encodeURIComponent(baiduseo_session),
'baiduseo_type=' + encodeURIComponent(baiduseo_type),
'baiduseo_language=' + encodeURIComponent(baiduseo_language),
'baiduseo_pla=' + encodeURIComponent(baiduseo_pla),
'baiduseo_liulanqi=' + encodeURIComponent(baiduseo_liulanqi),
'baiduseo_detail=' + encodeURIComponent(baiduseo_detail)
].join('&'); // 数组拼接更简洁，避免冗余字符串连接，易维护
// 发送规范化请求
xhr.send(requestData);
};
// 核心改造4：规范定时请求逻辑，避免类型错误，添加有效判断
const requestInterval = 10000; // 直接输出数字类型，避免字符串解析隐患
// 1. 立即执行一次请求（保留原逻辑）
ns.baiduseo_sendRequest();
// 2. 定时重复执行请求（仅当间隔大于0时开启，避免无效定时器，减少资源消耗）
if (requestInterval > 0) {
ns.requestTimer = setInterval(ns.baiduseo_sendRequest, requestInterval);
}
// 核心改造5：页面卸载时清除定时器，避免用户离开后仍发送请求，降低服务器负担
window.addEventListener('beforeunload', () => {
clearInterval(ns.requestTimer);
});
})(window.BaiduSeo);
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