昨天折腾了一天,到晚上的时候发了另外一篇文章《再谈自建Gravatar镜像》,里面胡一派发了一条评论。
觉得有点意思,于是搜索了一下。根据这篇https://lingchenzi.com/2021/10/7026.html文章的方法尝试了一下:
部署成功了,但是实际访问的时候发现系统自动创建的路由small-6.gravatar.workers.dev无法访问。但是貌似在服务器直接测试是通的,后来发现通过绑定域名之后就可以访问了,于是添加了一个g.obaby.blog 的域名,现在这个域名可以正常使用了(这个资源是免费的,但是有服务器资源限制,欢迎大家使用)。
测试头像:
https://g.obaby.blog/avatar/3a78942c4ddcda86242f20abdacee082?s=50&d=mm&r=g
https://g.obaby.blog/avatar/1fbf51cf49f5c369ad2cd13d76c15c42?s=32&d=mm&r=g
https://g.obaby.blog/avatar/81b9805653d1169927583574d835691b?s=32&d=mm&r=g
服务代码(https://github.com/lingchenzi/blog/blob/main/cloudflare-workers-gravatar):
// Website you intended to retrieve for users.
// 替换成你想镜像的站点
const upstream = 'www.gravatar.com'
// Custom pathname for the upstream website.
const upstream_path = '/'
// Website you intended to retrieve for users using mobile devices.
// 替换成你想镜像的站点
const upstream_mobile = 'www.gravatar.com'
// Countries and regions where you wish to suspend your service.
const blocked_region = ['KP', 'SY', 'PK', 'CU']
// IP addresses which you wish to block from using your service.
const blocked_ip_address = ['0.0.0.0', '127.0.0.1']
// Whether to use HTTPS protocol for upstream address.
const https = true
// Whether to disable cache.
const disable_cache = false
// Replace texts.
const replace_dict = {
'$upstream': '$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_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', upstream_domain);
new_request_headers.set('Referer', url.protocol + '//' + 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;
if (disable_cache) {
new_response_headers.set('Cache-Control', 'no-store');
}
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');
if(new_response_headers.get("x-pjax-url")) {
new_response_headers.set("x-pjax-url", response_headers.get("x-pjax-url").replace("//" + upstream_domain, "//" + url_hostname));
}
const content_type = new_response_headers.get('content-type');
if (content_type != null && 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[i]
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[v]) > 0) {
flag = false;
break;
}
}
return flag;
}
镜像服务器地址:
☆文章版权声明☆
* 网站名称:obaby@mars
* 网址:https://h4ck.org.cn/
* 本文标题: 《继续谈自建Gravatar镜像》
* 本文链接:https://h4ck.org.cn/2022/11/%e7%bb%a7%e7%bb%ad%e8%b0%88%e8%87%aa%e5%bb%bagravatar%e9%95%9c%e5%83%8f/
* 转载文章请标明文章来源,原文标题以及原文链接。请遵从 《署名-非商业性使用-相同方式共享 2.5 中国大陆 (CC BY-NC-SA 2.5 CN) 》许可协议。
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