1
0
mirror of https://github.com/uetchy/namae.git synced 2025-03-17 20:40:32 +09:00

30 lines
796 B
TypeScript
Raw Normal View History

2020-08-31 08:41:53 +09:00
import isURL from 'validator/lib/isURL';
import { send, sendError, fetch } from '../../../util/http';
import { VercelRequest, VercelResponse } from '@vercel/node';
2019-08-27 03:15:35 +09:00
2019-12-24 01:57:07 +09:00
export default async function handler(
req: VercelRequest,
res: VercelResponse
2019-12-24 01:57:07 +09:00
): Promise<void> {
2020-08-31 08:41:53 +09:00
const { query } = req.query;
2019-08-27 03:15:35 +09:00
2020-06-19 16:15:53 +09:00
if (!query || typeof query !== 'string') {
2020-08-31 08:41:53 +09:00
return sendError(res, new Error('no query given'));
2019-08-27 03:15:35 +09:00
}
2020-06-11 22:00:16 +09:00
if (!isURL(query)) {
2020-08-31 08:41:53 +09:00
return sendError(res, new Error('Invalid URL: ' + query));
2019-08-27 03:15:35 +09:00
}
try {
2020-08-31 08:41:53 +09:00
const response = await fetch(`https://${query}`);
const availability = response.status === 404;
send(res, { availability });
2019-08-27 03:15:35 +09:00
} catch (err) {
if ((err as any).code === 'ENOTFOUND') {
2020-08-31 08:41:53 +09:00
return send(res, { availability: true });
2019-12-10 18:33:39 +09:00
}
sendError(res, err as any);
2019-08-27 03:15:35 +09:00
}
}