import { send, sendError, fetch } from '../../../util/http' import { NowRequest, NowResponse } from '@vercel/node' export default async function handler( req: NowRequest, res: NowResponse ): 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) { sendError(res, err) } }