cf反代跳出cf加速域名

aDomain.com通过cfworkers反代 bDomain.com，当我访问aDomain.com首页是正常的，但是点击网页的内容就跳出了aDomain.com到 bDomain.com 即:无法访问此网站，bDomain.com 的响应时间过长。 突发奇想头一回搞这个，求mjj指点一下// 替换成你想镜像的站点const upstream = ‘www.google.com’ // 如果那个站点有专门的移动适配站点，否则保持和上面一致const upstream_mobile = ‘www.google.com’ // 你希望禁止哪些国家访问const blocked_region = [‘RU’] // 禁止自访问const blocked_ip_address = [‘0.0.0.0’, ‘127.0.0.1’] // 替换成你想镜像的站点const replace_dict = {    ‘$upstream’: ‘$custom_domain’,    ‘//www.google.com’: ”} //以下内容都不用动addEventListener(‘fetch’, event => {    event.respondWith(fetchAndApply(event.request));}) async function fetchAndApply(request) {     const region = request.headers.get(‘cf-ipcountry’).toUpperCase();    const ip_address = request.headers.get(‘cf-connecting-ip’);    const user_agent = request.headers.get(‘user-agent’);     let response = null;    let url = new URL(request.url);    let url_host = url.host;     if (url.protocol == ‘http:’) {        url.protocol = ‘https:’        response = Response.redirect(url.href);        return response;    }     if (await device_status(user_agent)) {        upstream_domain = upstream    } else {        upstream_domain = upstream_mobile    }     url.host = upstream_domain;     if (blocked_region.includes(region)) {        response = new Response(‘Access denied: WorkersProxy is not available in your region yet.’, {            status: 403        });    } else if(blocked_ip_address.includes(ip_address)){        response = new Response(‘Access denied: Your IP address is blocked by WorkersProxy.’, {            status: 403        });    } else{        let method = request.method;        let request_headers = request.headers;        let new_request_headers = new Headers(request_headers);         new_request_headers.set(‘Host’, upstream_domain);        new_request_headers.set(‘Referer’, url.href);         let original_response = await fetch(url.href, {            method: method,            headers: new_request_headers        })         let original_response_clone = original_response.clone();        let original_text = null;        let response_headers = original_response.headers;        let new_response_headers = new Headers(response_headers);        let status = original_response.status;         new_response_headers.set(‘access-control-allow-origin’, ‘*’);        new_response_headers.set(‘access-control-allow-credentials’, true);        new_response_headers.delete(‘content-security-policy’);        new_response_headers.delete(‘content-security-policy-report-only’);        new_response_headers.delete(‘clear-site-data’);         const content_type = new_response_headers.get(‘content-type’);        if (content_type.includes(‘text/html’) && content_type.includes(‘UTF-8’)) {            original_text = await replace_response_text(original_response_clone, upstream_domain, url_host);        } else {            original_text = original_response_clone.body        }         response = new Response(original_text, {            status,            headers: new_response_headers        })    }    return response;} async function replace_response_text(response, upstream_domain, host_name) {    let text = await response.text()     var i, j;    for (i in replace_dict) {        j = replace_dict[i]        if (i == ‘$upstream’) {            i = upstream_domain        } else if (i == ‘$custom_domain’) {            i = host_name        }         if (j == ‘$upstream’) {            j = upstream_domain        } else if (j == ‘$custom_domain’) {            j = host_name        }         let re = new RegExp(i, ‘g’)        text = text.replace(re, j);    }    return text;} async function device_status (user_agent_info) {    var agents = [“Android”, “iPhone”, “SymbianOS”, “Windows Phone”, “iPad”, “iPod”];    var flag = true;    for (var v = 0; v < agents.length; v++) { if (user_agent_info.indexOf(agents[v]) > 0) {            flag = false;            break;        }    }    return flag;}复制代码