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自建方案docker国内加速，自建github加速

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方案 1(👍): 利用大善人 CF woker 的 镜像加速. https://global.v2ex.com/t/1007922

代码搬运：

'use strict'

const hub_host = 'registry-1.docker.io'
const auth_url = 'https://auth.docker.io'
const workers_url = 'https:// 你的域名 '
/**
 * static files (404.html, sw.js, conf.js)
 */

/** @type {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',
    }),
}

/**
 * @param {any} body
 * @param {number} status
 * @param {Object<string, string>} headers
 */
function makeRes(body, status = 200, headers = {}) {headers['access-control-allow-origin'] = '*'
    return new Response(body, {status, headers})
}


/**
 * @param {string} urlStr
 */
function newUrl(urlStr) {
    try {return new URL(urlStr)
    } catch (err) {return null}
}


addEventListener('fetch', e => {const ret = fetchHandler(e)
        .catch(err => makeRes('cfworker error:\n' + err.stack, 502))
    e.respondWith(ret)
})


/**
 * @param {FetchEvent} e
 */
async function fetchHandler(e) {const getReqHeader = (key) => e.request.headers.get(key);

  let url = new URL(e.request.url);

  if (url.pathname === '/token') {
      let token_parameter = {
        headers: {
        'Host': 'auth.docker.io',
        'User-Agent': getReqHeader("User-Agent"),
        'Accept': getReqHeader("Accept"),
        'Accept-Language': getReqHeader("Accept-Language"),
        'Accept-Encoding': getReqHeader("Accept-Encoding"),
        'Connection': 'keep-alive',
        'Cache-Control': 'max-age=0'
        }
      };
      let token_url = auth_url + url.pathname + url.search
      return fetch(new Request(token_url, e.request), token_parameter)
  }

  url.hostname = hub_host;
  
  let parameter = {
    headers: {
      'Host': hub_host,
      'User-Agent': getReqHeader("User-Agent"),
      'Accept': getReqHeader("Accept"),
      'Accept-Language': getReqHeader("Accept-Language"),
      'Accept-Encoding': getReqHeader("Accept-Encoding"),
      'Connection': 'keep-alive',
      'Cache-Control': 'max-age=0'
    },
    cacheTtl: 3600
  };

  if (e.request.headers.has("Authorization")) {parameter.headers.Authorization = getReqHeader("Authorization");
  }

  let original_response = await fetch(new Request(url, e.request), parameter)
  let original_response_clone = original_response.clone();
  let original_text = original_response_clone.body;
  let response_headers = original_response.headers;
  let new_response_headers = new Headers(response_headers);
  let status = original_response.status;

  if (new_response_headers.get("Www-Authenticate")) {let auth = new_response_headers.get("Www-Authenticate");
    let re = new RegExp(auth_url, 'g');
    new_response_headers.set("Www-Authenticate", response_headers.get("Www-Authenticate").replace(re, workers_url));
  }

  if (new_response_headers.get("Location")) {return httpHandler(e.request, new_response_headers.get("Location"))
  }

  let response = new Response(original_text, {
            status,
            headers: new_response_headers
        })
  return response;
  
}


/**
 * @param {Request} req
 * @param {string} pathname
 */
function httpHandler(req, pathname) {
    const reqHdrRaw = req.headers

    // preflight
    if (req.method === 'OPTIONS' &&
        reqHdrRaw.has('access-control-request-headers')
    ) {return new Response(null, PREFLIGHT_INIT)
    }

    let rawLen = ''

    const reqHdrNew = new Headers(reqHdrRaw)

    const refer = reqHdrNew.get('referer')

    let urlStr = pathname
    
    const urlObj = newUrl(urlStr)

    /** @type {RequestInit} */
    const reqInit = {
        method: req.method,
        headers: reqHdrNew,
        redirect: 'follow',
        body: req.body
    }
    return proxy(urlObj, reqInit, rawLen, 0)
}


/**
 *
 * @param {URL} urlObj
 * @param {RequestInit} reqInit
 */
async function proxy(urlObj, reqInit, rawLen) {const res = await fetch(urlObj.href, reqInit)
    const resHdrOld = res.headers
    const resHdrNew = new Headers(resHdrOld)

    // verify
    if (rawLen) {const newLen = resHdrOld.get('content-length') || ''
        const badLen = (rawLen !== newLen)

        if (badLen) {
            return makeRes(res.body, 400, {'--error': `bad len: ${newLen}, except: ${rawLen}`,
                'access-control-expose-headers': '--error',
            })
        }
    }
    const status = res.status
    resHdrNew.set('access-control-expose-headers', '*')
    resHdrNew.set('access-control-allow-origin', '*')
    resHdrNew.set('Cache-Control', 'max-age=1500')
    
    resHdrNew.delete('content-security-policy')
    resHdrNew.delete('content-security-policy-report-only')
    resHdrNew.delete('clear-site-data')

    return new Response(res.body, {
        status,
        headers: resHdrNew
    })
}

方案 2(服务器自建): 利用 registry 或者 harbor :
下面是 reigistry 方案:
nano registry/docker-compose.yml

#version: '3' #最新版本 docker 不在需要此字段
services:
registry:
image: registry:2
ports:
- "15000:5000"
environment:
REGISTRY_PROXY_REMOTEURL: https://registry-1.docker.io # 上游源
REGISTRY_STORAGE_CACHE_BLOBDESCRIPTOR: inmemory # 内存缓存
volumes:
- ./data:/var/lib/registry

如果只是作为镜像, 就把推送功能 ban 掉. 这里推荐用简单的方式 nginx 反代 禁止其他 http method.

# 端口, 域名 都改为自己的
server {
listen 80;
server_name my-registry-domain.com;

location / {
# 仅允许 GET 请求
limit_except GET {deny all;}

proxy_pass http://localhost:15000; # 假设 Docker Registry 运行在本地的 15000 端口
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
}

github 加速：https://cdn.jsdelivr.net/gh/hunshcn/gh-proxy@master/index.js

'use strict'

/**
 * static files (404.html, sw.js, conf.js)
 */
const ASSET_URL = 'https://hunshcn.github.io/gh-proxy/'
// 前缀，如果自定义路由为 example.com/gh/*，将 PREFIX 改为 '/gh/'，注意，少一个杠都会错！const PREFIX = '/'
// 分支文件使用 jsDelivr 镜像的开关，0 为关闭，默认关闭
const Config = {jsdelivr: 0}

const whiteList = [] // 白名单，路径里面有包含字符的才会通过，e.g. ['/username/']

/** @type {ResponseInit} */
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',
    }),
}


const exp1 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:releases|archive)\/.*$/i
const exp2 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:blob|raw)\/.*$/i
const exp3 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:info|git-).*$/i
const exp4 = /^(?:https?:\/\/)?raw\.(?:githubusercontent|github)\.com\/.+?\/.+?\/.+?\/.+$/i
const exp5 = /^(?:https?:\/\/)?gist\.(?:githubusercontent|github)\.com\/.+?\/.+?\/.+$/i
const exp6 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/tags.*$/i

/**
 * @param {any} body
 * @param {number} status
 * @param {Object<string, string>} headers
 */
function makeRes(body, status = 200, headers = {}) {headers['access-control-allow-origin'] = '*'
    return new Response(body, {status, headers})
}


/**
 * @param {string} urlStr
 */
function newUrl(urlStr) {
    try {return new URL(urlStr)
    } catch (err) {return null}
}


addEventListener('fetch', e => {const ret = fetchHandler(e)
        .catch(err => makeRes('cfworker error:\n' + err.stack, 502))
    e.respondWith(ret)
})


function checkUrl(u) {for (let i of [exp1, exp2, exp3, exp4, exp5, exp6]) {if (u.search(i) === 0) {return true}
    }
    return false
}

/**
 * @param {FetchEvent} e
 */
async function fetchHandler(e) {
    const req = e.request
    const urlStr = req.url
    const urlObj = new URL(urlStr)
    let path = urlObj.searchParams.get('q')
    if (path) {return Response.redirect('https://' + urlObj.host + PREFIX + path, 301)
    }
    // cfworker 会把路径中的 `//` 合并成 `/`
    path = urlObj.href.substr(urlObj.origin.length + PREFIX.length).replace(/^https?:\/+/, 'https://')
    if (path.search(exp1) === 0 || path.search(exp5) === 0 || path.search(exp6) === 0 || path.search(exp3) === 0 || path.search(exp4) === 0) {return httpHandler(req, path)
    } else if (path.search(exp2) === 0) {if (Config.jsdelivr) {const newUrl = path.replace('/blob/', '@').replace(/^(?:https?:\/\/)?github\.com/, 'https://cdn.jsdelivr.net/gh')
            return Response.redirect(newUrl, 302)
        } else {path = path.replace('/blob/', '/raw/')
            return httpHandler(req, path)
        }
    } else if (path.search(exp4) === 0) {const newUrl = path.replace(/(?<=com\/.+?\/.+?)\/(.+?\/)/, '@$1').replace(/^(?:https?:\/\/)?raw\.(?:githubusercontent|github)\.com/, 'https://cdn.jsdelivr.net/gh')
        return Response.redirect(newUrl, 302)
    } else {return fetch(ASSET_URL + path)
    }
}


/**
 * @param {Request} req
 * @param {string} pathname
 */
function httpHandler(req, pathname) {
    const reqHdrRaw = req.headers

    // preflight
    if (req.method === 'OPTIONS' &&
        reqHdrRaw.has('access-control-request-headers')
    ) {return new Response(null, PREFLIGHT_INIT)
    }

    const reqHdrNew = new Headers(reqHdrRaw)

    let urlStr = pathname
    let flag = !Boolean(whiteList.length)
    for (let i of whiteList) {if (urlStr.includes(i)) {
            flag = true
            break
        }
    }
    if (!flag) {return new Response("blocked", {status: 403})
    }
    if (urlStr.search(/^https?:\/\//) !== 0) {urlStr = 'https://' + urlStr}
    const urlObj = newUrl(urlStr)

    /** @type {RequestInit} */
    const reqInit = {
        method: req.method,
        headers: reqHdrNew,
        redirect: 'manual',
        body: req.body
    }
    return proxy(urlObj, reqInit)
}


/**
 *
 * @param {URL} urlObj
 * @param {RequestInit} reqInit
 */
async function proxy(urlObj, reqInit) {const res = await fetch(urlObj.href, reqInit)
    const resHdrOld = res.headers
    const resHdrNew = new Headers(resHdrOld)

    const status = res.status

    if (resHdrNew.has('location')) {let _location = resHdrNew.get('location')
        if (checkUrl(_location))
            resHdrNew.set('location', PREFIX + _location)
        else {
            reqInit.redirect = 'follow'
            return proxy(newUrl(_location), reqInit)
        }
    }
    resHdrNew.set('access-control-expose-headers', '*')
    resHdrNew.set('access-control-allow-origin', '*')

    resHdrNew.delete('content-security-policy')
    resHdrNew.delete('content-security-policy-report-only')
    resHdrNew.delete('clear-site-data')

    return new Response(res.body, {
        status,
        headers: resHdrNew,
    })
}

正文完
发表至： *NIX相关
2024-06-08
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