import { send, sendError, fetch } from '../../../util/http'; import { VercelRequest, VercelResponse } from '@vercel/node'; export default async function handler( req: VercelRequest, res: VercelResponse ): Promise { const { query } = req.query; if (!query || typeof query !== 'string') { return sendError(res, new Error('No query given')); } if (/[^a-zA-Z0-9_-]/.test(query)) { return sendError(res, new Error('Invalid characters')); } try { const response = await fetch( `https://packages.debian.org/buster/${encodeURIComponent(query)}`, 'GET' ); const body = await response.text(); const availability = body.includes('No such package'); send(res, { availability }); } catch (err: any) { sendError(res, err); } }