国内无法访问Github以及平常下载慢的三个应对措施
近日,GitHub Page被劫持ssl证书,接着京东被劫持,截至至今,GitHub全站被劫持,我不清楚这些的劫持原理,我也不知道背后是哪些人,他们的目的为何我也不知道,但希望下文对你有些帮助,对平常拉取速度慢也能有所帮助
使用代理服务上网
这个方法无论在什么时候都管用,不多赘述,你们都有
使用或者搭建Github反代网站
- 使用Cloudflare Workers进行反代
Cloudflare提供了边缘云计算,请求量免费额度为10W,对于个人来说足够使用,下面贴出代码
// Website you intended to retrieve for users.
const upstream = 'github.com'
// Custom pathname for the upstream website.
const upstream_path = '/'
// Website you intended to retrieve for users using mobile devices.
const upstream_mobile = 'github.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
// Replace texts.
const replace_dict = {
'$upstream': '$custom_domain',
'//google.com': ''
}
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', 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[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;
}
直链:https://raw.githubusercontent.com/xs314/CloudFlare-Workers/master/index.js
优点:能加快下载速度
缺点:无法使用cookie,无法进行登录操作
- 使用Nginx进行反代
这个我也不多赘述了,网上教程多的是
Nginx反代能够解决Cookie的问题
使用火狐DoH+ESNI
https://www.zhihu.com/question/382718053/answer/1107698817
实测有效,跟我大喊:Firefox!(大声
(不过此法不能解决下载慢
写在文末
这里提供一些Demo:
- https://github.com.cnpmjs.org/
- https://github.wuyanzheshui.workers.dev
最后还是希望能够早日恢复,也尽快找出幕后黑手,虽然对于我来说没啥影响,因为我是移动宽带