{"id":567620,"date":"2023-10-08T07:41:52","date_gmt":"2023-10-07T23:41:52","guid":{"rendered":"http:\/\/4563.org\/?p=567620"},"modified":"2023-10-08T07:41:52","modified_gmt":"2023-10-07T23:41:52","slug":"cf%e5%8f%8d%e4%bb%a3%e8%b7%b3%e5%87%bacf%e5%8a%a0%e9%80%9f%e5%9f%9f%e5%90%8d","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=567620","title":{"rendered":"cf\u53cd\u4ee3\u8df3\u51facf\u52a0\u901f\u57df\u540d"},"content":{"rendered":"\n

\t\t\t\t\tdachun<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

cf\u53cd\u4ee3\u8df3\u51facf\u52a0\u901f\u57df\u540d<\/h3>\n

\t\taDomain.com\u901a\u8fc7cfworkers\u53cd\u4ee3 bDomain.com\uff0c\u5f53\u6211\u8bbf\u95eeaDomain.com\u9996\u9875\u662f\u6b63\u5e38\u7684\uff0c\u4f46\u662f\u70b9\u51fb\u7f51\u9875\u7684\u5185\u5bb9\u5c31\u8df3\u51fa\u4e86aDomain.com\u5230 bDomain.com
\u5373:\u65e0\u6cd5\u8bbf\u95ee\u6b64\u7f51\u7ad9\uff0cbDomain.com \u7684\u54cd\u5e94\u65f6\u95f4\u8fc7\u957f\u3002<\/p>\n

\u7a81\u53d1\u5947\u60f3\u5934\u4e00\u56de\u641e\u8fd9\u4e2a\uff0c\u6c42mjj\u6307\u70b9\u4e00\u4e0b:)<\/p>\n

\/\/ \u66ff\u6362\u6210\u4f60\u60f3\u955c\u50cf\u7684\u7ad9\u70b9
const upstream = ‘www.google.com’<\/p>\n

\/\/ \u5982\u679c\u90a3\u4e2a\u7ad9\u70b9\u6709\u4e13\u95e8\u7684\u79fb\u52a8\u9002\u914d\u7ad9\u70b9\uff0c\u5426\u5219\u4fdd\u6301\u548c\u4e0a\u9762\u4e00\u81f4
const upstream_mobile = ‘www.google.com’<\/p>\n

\/\/ \u4f60\u5e0c\u671b\u7981\u6b62\u54ea\u4e9b\u56fd\u5bb6\u8bbf\u95ee
const blocked_region = [‘RU’]<\/p>\n

\/\/ \u7981\u6b62\u81ea\u8bbf\u95ee
const blocked_ip_address = [‘0.0.0.0’, ‘127.0.0.1’]<\/p>\n

\/\/ \u66ff\u6362\u6210\u4f60\u60f3\u955c\u50cf\u7684\u7ad9\u70b9
const replace_dict = {
    ‘$upstream’: ‘$custom_domain’,
    ‘\/\/www.google.com’: ”
}<\/p>\n

\/\/\u4ee5\u4e0b\u5185\u5bb9\u90fd\u4e0d\u7528\u52a8
addEventListener(‘fetch’, event => {
    event.respondWith(fetchAndApply(event.request));
})<\/p>\n

async function fetchAndApply(request) {<\/p>\n

    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’);<\/p>\n

    let response = null;
    let url = new URL(request.url);
    let url_host = url.host;<\/p>\n

    if (url.protocol == ‘http:’) {
      url.protocol = ‘https:’
      response = Response.redirect(url.href);
      return response;
    }<\/p>\n

    if (await device_status(user_agent)) {
      upstream_domain = upstream
    } else {
      upstream_domain = upstream_mobile
    }<\/p>\n

    url.host = upstream_domain;<\/p>\n

    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);<\/p>\n

      new_request_headers.set(‘Host’, upstream_domain);
      new_request_headers.set(‘Referer’, url.href);<\/p>\n

      let original_response = await fetch(url.href, {
            method: method,
            headers: new_request_headers
      })<\/p>\n

      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;<\/p>\n

      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’);<\/p>\n

      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
      }<\/p>\n

      response = new Response(original_text, {
            status,
            headers: new_response_headers
      })
    }
    return response;
}<\/p>\n

async function replace_response_text(response, upstream_domain, host_name) {
    let text = await response.text()<\/p>\n

    var i, j;
    for (i in replace_dict) {
      j = replace_dict
      if (i == ‘$upstream’) {
            i = upstream_domain
      } else if (i == ‘$custom_domain’) {
            i = host_name
      }<\/p>\n

      if (j == ‘$upstream’) {
            j = upstream_domain
      } else if (j == ‘$custom_domain’) {
            j = host_name
      }<\/p>\n

      let re = new RegExp(i, ‘g’)
      text = text.replace(re, j);
    }
    return text;
}<\/p>\n

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) > 0) {
            flag = false;
            break;
      }
    }
    return flag;
}<\/p>\n

\t\t\t\t\t1NIAN<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\t\u95ee\u95eechatgpt\t\t\t <\/p>\n","protected":false},"excerpt":{"rendered":"

dachun \u5927\u4f6c\u6709\u8bdd\u8bf4 : cf…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/567620"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=567620"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/567620\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=567620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=567620"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=567620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}