2020-08-31 08:41:53 +09:00
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import isURL from 'validator/lib/isURL';
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import { send, sendError, fetch } from '../../../util/http';
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import { NowRequest, NowResponse } from '@vercel/node';
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2019-08-27 03:15:35 +09:00
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2019-12-24 01:57:07 +09:00
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export default async function handler(
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req: NowRequest,
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2020-08-20 00:57:33 +09:00
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res: NowResponse
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2019-12-24 01:57:07 +09:00
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): Promise<void> {
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2020-08-31 08:41:53 +09:00
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const { query } = req.query;
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2019-08-27 03:15:35 +09:00
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2020-06-19 16:15:53 +09:00
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if (!query || typeof query !== 'string') {
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2020-08-31 08:41:53 +09:00
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return sendError(res, new Error('no query given'));
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2019-08-27 03:15:35 +09:00
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}
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2020-06-11 22:00:16 +09:00
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if (!isURL(query)) {
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2020-08-31 08:41:53 +09:00
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return sendError(res, new Error('Invalid URL: ' + query));
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2019-08-27 03:15:35 +09:00
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}
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try {
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2020-08-31 08:41:53 +09:00
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const response = await fetch(`https://${query}`);
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const availability = response.status === 404;
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send(res, { availability });
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2019-08-27 03:15:35 +09:00
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} catch (err) {
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2020-08-31 08:41:53 +09:00
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console.log(err.code);
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2019-12-10 18:33:39 +09:00
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if (err.code === 'ENOTFOUND') {
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2020-08-31 08:41:53 +09:00
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return send(res, { availability: true });
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2019-12-10 18:33:39 +09:00
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}
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2020-08-31 08:41:53 +09:00
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sendError(res, err);
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2019-08-27 03:15:35 +09:00
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}
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}
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