上一篇文章我们使用 Cloudflare Workers 镜像了 GitHub 站点,本文将继续使用 Cloudflare Worker 代理 Google 站点,实现在国内访问 Google。
代理 Google 站点 {#代理-google-站点}
1.创建 Worker {#1创建-worker}
首先,登录 Cloudflare,切换至Workers & Pages菜单,点击Create Application按钮:
然后,点击Create Worker按钮新建一个 Worker:
接着,设置一个三级域名 g.harrisonwang.workers.dev,点击Deploy按钮:
再接着,我们点击Edit code按钮编辑代码:
最后,粘贴以下代码片段后,点击Save and Deploy完成部署,然后通过域名 g.harrisonwang.workers.dev 访问镜像站:
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| // 反代目标网站 const upstream = 'ipv6.google.com.hk' const upstream_v4 = 'www.google.com.hk' // 访问区域黑名单(按需设置). const blocked_region = ['TK'] //资源重定向 const replace_dict = { $upstream: '$custom_domain', 'www.google.com/': 'g.wss.so/', //填入你的子域名 'gstatic.com': 'gstatic.cn', 'ajax.googleapis.com': 'ajax.lug.ustc.edu.cn', 'fonts.googleapis.com': 'fonts.googleapis.cn', 'themes.googleusercontent.com': 'google-themes.lug.ustc.edu.cn', 'www.gravatar.com/avatar': 'dn-qiniu-avatar.qbox.me/avatar', 'www.google.co.jp': '$custom_domain', 'www.google.com.sg': '$custom_domain', 'books.google.com.hk': '$custom_domain', 'books.google.co.jp': '$custom_domain', 'books.google.com.sg': '$custom_domain', 'maps.google.com.hk': '$custom_domain', 'maps.google.co.jp': '$custom_domain', 'maps.google.com.sg': '$custom_domain', 'maps.google.com': '$custom_domain', 'books.google.com': '$custom_domain', } 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 } //检查是否为图片搜索 var key = url.href var ikey1 = 'tbm=isch' var ikey2 = '/img' if ((key.search(ikey1) == -1) && (key.search(ikey2) == -1)) { var upstream_domain = upstream } else { var upstream_domain = upstream_v4 } 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 { let method = request.method let request_headers = request.headers let new_request_headers = new Headers(request_headers) `<span class="nx">new_request_headers</span><span class="p">.</span><span class="nf">set</span><span class="p">(</span><span class="dl">'</span><span class="s1">Host</span><span class="dl">'</span><span class="p">,</span> <span class="nx">upstream_domain</span><span class="p">)</span> <span class="nx">new_request_headers</span><span class="p">.</span><span class="nf">set</span><span class="p">(</span><span class="dl">'</span><span class="s1">Referer</span><span class="dl">'</span><span class="p">,</span> <span class="nx">url</span><span class="p">.</span><span class="nx">href</span><span class="p">)</span> <span class="kd">let</span> <span class="nx">original_response</span> <span class="o">=</span> <span class="k">await</span> <span class="nf">fetch</span><span class="p">(</span><span class="nx">url</span><span class="p">.</span><span class="nx">href</span><span class="p">,</span> <span class="p">{</span> <span class="na">method</span><span class="p">:</span> <span class="nx">method</span><span class="p">,</span> <span class="na">headers</span><span class="p">:</span> <span class="nx">new_request_headers</span><span class="p">,</span> <span class="p">})</span> <span class="kd">let</span> <span class="nx">original_response_clone</span> <span class="o">=</span> <span class="nx">original_response</span><span class="p">.</span><span class="nf">clone</span><span class="p">()</span> <span class="kd">let</span> <span class="nx">original_text</span> <span class="o">=</span> <span class="kc">null</span> <span class="kd">let</span> <span class="nx">response_headers</span> <span class="o">=</span> <span class="nx">original_response</span><span class="p">.</span><span class="nx">headers</span> <span class="kd">let</span> <span class="nx">new_response_headers</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">Headers</span><span class="p">(</span><span class="nx">response_headers</span><span class="p">)</span> <span class="kd">let</span> <span class="nx">status</span> <span class="o">=</span> <span class="nx">original_response</span><span class="p">.</span><span class="nx">status</span> <span class="nx">new_response_headers</span><span class="p">.</span><span class="nf">set</span><span class="p">(</span><span class="dl">'</span><span class="s1">cache-control</span><span class="dl">'</span><span class="p">,</span> <span class="dl">'</span><span class="s1">public, max-age=14400</span><span class="dl">'</span><span class="p">)</span> <span class="nx">new_response_headers</span><span class="p">.</span><span class="nf">set</span><span class="p">(</span><span class="dl">'</span><span class="s1">access-control-allow-origin</span><span class="dl">'</span><span class="p">,</span> <span class="dl">'</span><span class="s1">*</span><span class="dl">'</span><span class="p">)</span> <span class="nx">new_response_headers</span><span class="p">.</span><span class="nf">set</span><span class="p">(</span><span class="dl">'</span><span class="s1">access-control-allow-credentials</span><span class="dl">'</span><span class="p">,</span> <span class="kc">true</span><span class="p">)</span> <span class="nx">new_response_headers</span><span class="p">.</span><span class="k">delete</span><span class="p">(</span><span class="dl">'</span><span class="s1">content-security-policy</span><span class="dl">'</span><span class="p">)</span> <span class="nx">new_response_headers</span><span class="p">.</span><span class="k">delete</span><span class="p">(</span><span class="dl">'</span><span class="s1">content-security-policy-report-only</span><span class="dl">'</span><span class="p">)</span> <span class="nx">new_response_headers</span><span class="p">.</span><span class="k">delete</span><span class="p">(</span><span class="dl">'</span><span class="s1">clear-site-data</span><span class="dl">'</span><span class="p">)</span> <span class="kd">const</span> <span class="nx">content_type</span> <span class="o">=</span> <span class="nx">new_response_headers</span><span class="p">.</span><span class="nf">get</span><span class="p">(</span><span class="dl">'</span><span class="s1">content-type</span><span class="dl">'</span><span class="p">)</span> <span class="k">if </span><span class="p">(</span><span class="nx">content_type</span><span class="p">.</span><span class="nf">includes</span><span class="p">(</span><span class="dl">'</span><span class="s1">text/html</span><span class="dl">'</span><span class="p">)</span> <span class="o">&&</span> <span class="nx">content_type</span><span class="p">.</span><span class="nf">includes</span><span class="p">(</span><span class="dl">'</span><span class="s1">UTF-8</span><span class="dl">'</span><span class="p">))</span> <span class="p">{</span> <span class="c1">// && content_type.includes('UTF-8')</span> <span class="nx">original_text</span> <span class="o">=</span> <span class="k">await</span> <span class="nf">replace_response_text</span><span class="p">(</span> <span class="nx">original_response_clone</span><span class="p">,</span> <span class="nx">upstream_domain</span><span class="p">,</span> <span class="nx">url_host</span> <span class="p">)</span> <span class="p">}</span> <span class="k">else</span> <span class="p">{</span> <span class="nx">original_text</span> <span class="o">=</span> <span class="nx">original_response_clone</span><span class="p">.</span><span class="nx">body</span> <span class="p">}</span> <span class="nx">response</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">Response</span><span class="p">(</span><span class="nx">original_text</span><span class="p">,</span> <span class="p">{</span> <span class="nx">status</span><span class="p">,</span> <span class="na">headers</span><span class="p">:</span> <span class="nx">new_response_headers</span><span class="p">,</span> <span class="p">})</span> ` } 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 } `<span class="k">if </span><span class="p">(</span><span class="nx">j</span> <span class="o">==</span> <span class="dl">'</span><span class="s1">$upstream</span><span class="dl">'</span><span class="p">)</span> <span class="p">{</span> <span class="nx">j</span> <span class="o">=</span> <span class="nx">upstream_domain</span> <span class="p">}</span> <span class="k">else</span> <span class="k">if </span><span class="p">(</span><span class="nx">j</span> <span class="o">==</span> <span class="dl">'</span><span class="s1">$custom_domain</span><span class="dl">'</span><span class="p">)</span> <span class="p">{</span> <span class="nx">j</span> <span class="o">=</span> <span class="nx">host_name</span> <span class="p">}</span> <span class="kd">let</span> <span class="nx">re</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">RegExp</span><span class="p">(</span><span class="nx">i</span><span class="p">,</span> <span class="dl">'</span><span class="s1">g</span><span class="dl">'</span><span class="p">)</span> <span class="nx">text</span> <span class="o">=</span> <span class="nx">text</span><span class="p">.</span><span class="nf">replace</span><span class="p">(</span><span class="nx">re</span><span class="p">,</span> <span class="nx">j</span><span class="p">)</span> ` } return text }
|
记得将
'www.google.com/': 'g.wss.so/',
此处的 g.wss.so 替换为你的子域名。
至此,代理 Google 站点已完成,我们任意搜索输入一个关键字 strapi
,搜索结果如下图图所示。但是由于国内 workers.dev
域名的 DNS 已污染导致无法访问,所以需要绑定一个自定义域名来绕过该问题。
2.绑定自定义域名 {#2绑定自定义域名}
首先,点击Add Custom Domain添加一个自定义域名:
然后,输入要绑定自定义域名如 g.wss.so,点击Add Custom Domain绑定:
最后,等待 DNS 解析生效,然后使用 g.wss.so 域名访问: