一种用Cloudflare workers反代Onedrive的方法

// 替换成你OneDrive的网址
const upstream = ‘*-my.sharepoint.com’

// 替换成你OneDrive的网址
const upstream_mobile = ‘*-my.sharepoint.com’

// 下面的配置都不用动
const upstream_path = ‘/’

const blocked_region = [‘KP’, ‘SY’, ‘PK’, ‘CU’]

const blocked_ip_address = [‘0.0.0.0’, ‘127.0.0.1’]

const https = true

const disable_cache = false

const replace_dict = {
‘$upstream’: ‘$custom_domain’,
‘//sunpma.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', upstream_domain);
    new_request_headers.set('Referer', url.protocol + '//' + url_hostname);

    let original_response = await fetch(url.href, {
        method: method,
        headers: new_request_headers
    })

    connection_upgrade = new_request_headers.get("Upgrade");
    if (connection_upgrade && connection_upgrade.toLowerCase() == "websocket") {
        return original_response;
    }

    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;
}

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Source: github.com/k4yt3x/flowerhd
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