97 lines
2.1 KiB
JavaScript
97 lines
2.1 KiB
JavaScript
const net = require('net');
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const { URL } = require('url');
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exports.handler = async function(event, context) {
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let url = event.queryStringParameters.url;
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if (!url) {
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return {
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statusCode: 400,
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body: JSON.stringify({ message: 'A url query parameter is required' }),
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};
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}
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if (!url.startsWith('http://') && !url.startsWith('https://')) {
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url = 'http://' + url;
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}
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let hostname;
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try {
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hostname = new URL(url).hostname;
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} catch (error) {
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return {
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statusCode: 400,
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body: JSON.stringify({ message: 'Invalid url provided' }),
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};
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}
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return new Promise((resolve, reject) => {
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const client = net.createConnection({ port: 43, host: 'whois.internic.net' }, () => {
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client.write(hostname + '\r\n');
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});
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let data = '';
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client.on('data', (chunk) => {
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data += chunk;
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});
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client.on('end', () => {
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try {
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const parsedData = parseWhoisData(data);
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resolve({
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statusCode: 200,
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body: JSON.stringify(parsedData),
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});
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} catch (error) {
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resolve({
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statusCode: 500,
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body: JSON.stringify({ error: error.message }),
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});
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}
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});
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client.on('error', (err) => {
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resolve({
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statusCode: 500,
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body: JSON.stringify({ message: err.message }),
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});
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});
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});
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};
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const parseWhoisData = (data) => {
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const lines = data.split('\r\n');
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const parsedData = {};
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let lastKey = '';
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for (const line of lines) {
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const index = line.indexOf(':');
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// If this line is a continuation of the previous line
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if (index === -1) {
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if (lastKey !== '') {
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parsedData[lastKey] += ' ' + line.trim();
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}
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continue;
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}
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let key = line.slice(0, index).trim();
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const value = line.slice(index + 1).trim();
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// Ignore lines that are not key-value pairs
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if (value.length === 0) continue;
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// Convert keys to format without spaces or special characters
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key = key.replace(/\W+/g, '_');
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// Store the key to handle multi-line values
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lastKey = key;
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parsedData[key] = value;
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}
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return parsedData;
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};
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