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本帖最后由 268296 于 2025-7-24 15:18 编辑
博客上的教程地址: https://www.cveoy.top/t/topic/qFMo
中国站( aliyun.com )免费领ESA: http://s.tb.cn/e6.0FuRjs (官方链接非aff)
国际站( alibabacloud.com )免费领ESA: http://s.tb.cn/e6.0vy7ie (官方链接非aff)
在 https://esa.console.aliyun.com/edge/function/list 创建一个边缘函数
代码换为以下代码
- 'use strict'
- const ASSET_URL = 'https://www.cveoy.top/'
- const JS_VER = 10
- const MAX_RETRY = 1
- /** [url=home.php?mod=space&uid=26679]@Type[/url] {RequestInit} */
- const PREFLIGHT_INIT = {
- status: 204,
- headers: new Headers({
- 'access-control-allow-origin': '*',
- 'access-control-allow-methods': 'GET,POST,PUT,PATCH,TRACE,DELETE,HEAD,OPTIONS',
- 'access-control-max-age': '1728000',
- }),
- }
- /** 工具函数:生成响应 */
- function makeRes(body, status = 200, headers = {}) {
- headers['--ver'] = JS_VER
- headers['access-control-allow-origin'] = '*'
- return new Response(body, { status, headers })
- }
- /** 工具函数:解析 URL */
- function newUrl(urlStr) {
- try {
- return new URL(urlStr)
- } catch (err) {
- return null
- }
- }
- /** 入口函数:模块方式导出 */
- export default {
- async fetch(req, env, ctx) {
- return fetchHandler(req).catch(err =>
- makeRes('cfworker error:\n' + err.stack, 502)
- )
- }
- }
- /** 主处理函数 */
- async function fetchHandler(req) {
- const urlStr = req.url
- const urlObj = new URL(urlStr)
- const path = urlObj.href.substr(urlObj.origin.length)
- // 强制 HTTPS 跳转
- if (urlObj.protocol === 'http:') {
- urlObj.protocol = 'https:'
- return makeRes('', 301, {
- 'strict-transport-security': 'max-age=99999999; includeSubDomains; preload',
- 'location': urlObj.href,
- })
- }
- // 代理请求
- if (path.startsWith('/http/')) {
- return httpHandler(req, path.substr(6))
- }
- // 特殊路径处理
- switch (path) {
- case '/http':
- return makeRes('请更新到最新版本!')
- case '/ws':
- return makeRes('not support', 400)
- case '/works':
- return makeRes('it works')
- default:
- return fetch(ASSET_URL + path)
- }
- }
- /** HTTP 代理处理逻辑 */
- function httpHandler(req, pathname) {
- const reqHdrRaw = req.headers
- if (reqHdrRaw.has('x-jsproxy')) {
- return Response.error()
- }
- if (
- req.method === 'OPTIONS' &&
- reqHdrRaw.has('access-control-request-headers')
- ) {
- return new Response(null, PREFLIGHT_INIT)
- }
- let acehOld = false
- let rawSvr = ''
- let rawLen = ''
- let rawEtag = ''
- const reqHdrNew = new Headers(reqHdrRaw)
- reqHdrNew.set('x-jsproxy', '1')
- const refer = reqHdrNew.get('referer') || ''
- const query = refer.includes('?') ? refer.split('?')[1] : ''
- if (!query) {
- return makeRes('missing params', 403)
- }
- const param = new URLSearchParams(query)
- for (const [k, v] of param.entries()) {
- if (k.startsWith('--')) {
- switch (k.slice(2)) {
- case 'aceh':
- acehOld = true
- break
- case 'raw-info':
- [rawSvr, rawLen, rawEtag] = v.split('|')
- break
- }
- } else {
- if (v) {
- reqHdrNew.set(k, v)
- } else {
- reqHdrNew.delete(k)
- }
- }
- }
- if (!param.has('referer')) {
- reqHdrNew.delete('referer')
- }
- const urlStr = pathname.replace(/^(https?):\/+/, '$1://')
- const urlObj = newUrl(urlStr)
- if (!urlObj) {
- return makeRes('invalid proxy url: ' + urlStr, 403)
- }
- const reqInit = {
- method: req.method,
- headers: reqHdrNew,
- redirect: 'manual',
- body: req.method === 'POST' ? req.body : undefined,
- }
- return proxy(urlObj, reqInit, acehOld, rawLen, 0)
- }
- /** 发起代理请求 */
- async function proxy(urlObj, reqInit, acehOld, rawLen, retryTimes) {
- const res = await fetch(urlObj.href, reqInit)
- const resHdrOld = res.headers
- const resHdrNew = new Headers(resHdrOld)
- let expose = '*'
- for (const [k, v] of resHdrOld.entries()) {
- if (
- k === 'access-control-allow-origin' ||
- k === 'access-control-expose-headers' ||
- k === 'location' ||
- k === 'set-cookie'
- ) {
- const x = '--' + k
- resHdrNew.set(x, v)
- if (acehOld) {
- expose += ',' + x
- }
- resHdrNew.delete(k)
- } else if (
- acehOld &&
- !['cache-control', 'content-language', 'content-type', 'expires', 'last-modified', 'pragma'].includes(k)
- ) {
- expose += ',' + k
- }
- }
- if (acehOld) {
- expose += ',--s'
- resHdrNew.set('--t', '1')
- }
- if (rawLen) {
- const newLen = resHdrOld.get('content-length') || ''
- const badLen = rawLen !== newLen
- if (badLen) {
- if (retryTimes < MAX_RETRY) {
- const newUrlObj = await parseYtVideoRedir(urlObj, newLen, res)
- if (newUrlObj) {
- return proxy(newUrlObj, reqInit, acehOld, rawLen, retryTimes + 1)
- }
- }
- return makeRes(res.body, 400, {
- '--error': `bad len: ${newLen}, expect: ${rawLen}`,
- 'access-control-expose-headers': '--error',
- })
- }
- if (retryTimes > 1) {
- resHdrNew.set('--retry', retryTimes)
- }
- }
- let status = res.status
- resHdrNew.set('access-control-expose-headers', expose)
- resHdrNew.set('access-control-allow-origin', '*')
- resHdrNew.set('--s', status)
- resHdrNew.set('--ver', JS_VER)
- resHdrNew.delete('content-security-policy')
- resHdrNew.delete('content-security-policy-report-only')
- resHdrNew.delete('clear-site-data')
- if ([301, 302, 303, 307, 308].includes(status)) {
- status += 10
- }
- return new Response(res.body, {
- status,
- headers: resHdrNew,
- })
- }
- /** 判断是否为 有图比 视频 URL */
- function isYtUrl(urlObj) {
- return (
- urlObj.host.endsWith('.googlevideo.com') &&
- urlObj.pathname.startsWith('/videoplayback')
- )
- }
- /** 处理 有图比 视频跳转解析 */
- async function parseYtVideoRedir(urlObj, newLen, res) {
- if (parseInt(newLen) > 2000 || !isYtUrl(urlObj)) {
- return null
- }
- try {
- const data = await res.text()
- const newUrl = newUrl(data)
- return isYtUrl(newUrl) ? newUrl : null
- } catch {
- return null
- }
- }
复制代码
然后点击快速发布,再点击触发器绑定你的域名。搞定
这个速度正常上网是够用了

此教程仅供学习使用,使用者需要自行承担相关责任。
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