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worker.js
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worker.js
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addEventListener('fetch', event => {
const url = new URL(event.request.url);
if (url.pathname === '/check' && event.request.method === 'POST') {
event.respondWith(handleCheckRequest(event.request));
} else {
event.respondWith(serveHtml());
}
});
async function handleCheckRequest(request) {
try {
const { hostnames } = await request.json();
if (!hostnames || !Array.isArray(hostnames)) {
return new Response('Invalid request body', { status: 400 });
}
console.log(`Received hostnames: ${hostnames.join(', ')}`);
const results = await checkHostnames(hostnames);
console.log(`Valid hostnames: ${results.join(', ')}`);
return new Response(JSON.stringify({ results }), {
headers: { 'Content-Type': 'application/json' },
});
} catch (error) {
console.error(`Error in handleCheckRequest: ${error.message}`);
return new Response('Internal Server Error', { status: 500 });
}
}
async function checkHostnames(hostnames) {
const validHostnames = [];
for (const hostname of hostnames) {
try {
console.log(`Checking hostname: ${hostname}`);
const response = await fetch(`http://ip-api.com/line/${hostname}`);
if (!response.ok) {
console.error(`Request failed for ${hostname}, status: ${response.status}`);
continue;
}
const data = await response.text();
const lines = data.split('\n');
console.log(`Response for ${hostname}: ${lines.join(' | ')}`);
if (lines[0].trim().toLowerCase() === 'success' &&
(lines[10]?.includes('Fastly') || lines[11]?.includes('Fastly') || lines[12]?.includes('Fastly'))) {
validHostnames.push(hostname);
console.log(`${hostname} is valid.`);
} else {
console.log(`${hostname} does not meet the conditions.`);
}
} catch (error) {
console.error(`Error while checking ${hostname}: ${error.message}`);
}
}
return validHostnames;
}
function serveHtml() {
const html = `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Fastly Hostname Checker</title>
<style>
body {
font-family: 'Helvetica Neue', Arial, sans-serif;
background-color: white;
color: #333;
margin: 0;
padding: 20px;
display: flex;
flex-direction: column;
align-items: center;
}
h1 {
color: #ff6600;
font-size: 2.5em;
margin-bottom: 20px;
}
p {
font-size: 1.2em;
margin-bottom: 10px;
color: #666;
}
textarea {
width: 100%;
max-width: 600px;
height: 150px;
padding: 10px;
font-size: 1em;
border: 2px solid #ff6600;
border-radius: 5px;
margin-bottom: 20px;
box-shadow: 2px 2px 10px rgba(0,0,0,0.1);
}
button {
padding: 10px 20px;
background-color: #ff6600;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 1.2em;
margin-right: 10px;
transition: background-color 0.3s ease;
}
button:hover {
background-color: #cc5200;
}
#result-box {
width: 100%;
max-width: 600px;
height: 150px;
padding: 10px;
margin-top: 20px;
background-color: #fff5e6;
border: 2px solid #ff6600;
border-radius: 5px;
overflow-y: auto;
box-shadow: 2px 2px 10px rgba(0,0,0,0.1);
}
footer {
margin-top: 30px;
font-size: 0.9em;
color: #999;
}
</style>
</head>
<body>
<h1>Fastly CDN Hostname Checker</h1>
<p>Enter hostnames (one per line):</p>
<textarea id="hostnames-input" placeholder="Enter hostnames..."></textarea>
<button id="start-btn">Start</button>
<br>
<button id="copy-btn">Copy Result</button>
<div id="result-box"></div>
<footer>© 2024 <a href="https://github.com/Surfboardv2ray">Surfboardv2ray</a>
</footer>
<script>
async function checkHostnames() {
const input = document.getElementById('hostnames-input').value.trim();
const hostnames = input.split('\\n').map(host => host.trim()).filter(Boolean);
console.log('Hostnames to be checked:', hostnames);
const resultBox = document.getElementById('result-box');
resultBox.textContent = 'Checking...';
try {
const response = await fetch('/check', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ hostnames })
});
if (!response.ok) {
throw new Error('Network response was not ok');
}
const data = await response.json();
console.log('Response from Worker:', data);
const results = data.results.join('<br>');
resultBox.innerHTML = results || 'No results found.';
} catch (error) {
console.error('Error during hostname check:', error);
resultBox.textContent = 'Error: ' + error.message;
}
}
document.getElementById('start-btn').addEventListener('click', checkHostnames);
document.getElementById('copy-btn').addEventListener('click', () => {
const resultText = document.getElementById('result-box').textContent;
navigator.clipboard.writeText(resultText).then(() => {
alert('Results copied to clipboard!');
}, () => {
alert('Failed to copy text');
});
});
</script>
</body>
</html>
`;
return new Response(html, {
headers: { 'Content-Type': 'text/html' },
});
}