求助，CF workers只反代某个网站的某个路径该怎么写

xshell 大佬有话说 : 2020-7-26 22:26:27

求助，CF workers只反代某个网站的某个路径该怎么写

求助，CF workers只反代某个网站的某个路径该怎么写
网上只找到反代整个域的，求助大佬，例如我只想反代 XXX.com/img/路径怎么写

xshell 大佬有话说 : 2020-7-26 22:45:02

已解决，谷歌到答案了，顺便贴出代码给需要的MJJ
// 你要镜像的网站.
const upstream = ‘content.warframe.com’

// 镜像网站的目录，比如你想镜像某个网站的二级目录则填写二级目录的目录名，镜像 google 用不到，默认即可.
const upstream_path = ‘/’

// 镜像站是否有手机访问专用网址，没有则填一样的.
const upstream_mobile = ‘content.warframe.com’

// 屏蔽国家和地区.
const blocked_region = [‘KP’, ‘SY’, ‘PK’, ‘CU’]

// 屏蔽 IP 地址.
const blocked_ip_address = [‘0.0.0.0’, ‘127.0.0.1’]

// 镜像站是否开启 HTTPS.
const https = true

// 文本替换.
const replace_dict = {
    ‘$upstream’: ‘$custom_domain’,
    ‘//content.warframe.com’: ”
}

// 以下保持默认，不要动
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 = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36"

    let response = null;
    let url = new URL(request.url);
    let url_hostname = url.hostname;

    if (https == true) {
      url.protocol = ‘https:’;
    } else {
      url.protocol = ‘http:’;
    }

    if (await device_status(user_agent)) {
      var upstream_domain = upstream;
    } else {
      var upstream_domain = upstream_mobile;
    }

    url.host = upstream_domain;
    if (url.pathname == ‘/’) {
      url.pathname = upstream_path;
    } else {
      url.pathname = upstream_path + url.pathname;
    }

    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’, url.hostname);
      new_request_headers.set(‘Referer’, url.hostname);

      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_hostname);
      } 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
      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) > 0) {
            flag = false;
            break;
      }
    }
    return flag;
}

kko654852 大佬有话说 : 半小时前

xshell 大佬有话说 : 2020-7-26 22:45
已解决，谷歌到答案了，顺便贴出代码给需要的MJJ

付费帮忙反代一个站 可以？