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32 lines
920 B
TypeScript
32 lines
920 B
TypeScript
import isURL from 'validator/lib/isURL';
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import { send, sendError, fetch } from '../../../util/http';
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import { VercelRequest, VercelResponse } from '@vercel/node';
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export default async function handler(
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req: VercelRequest,
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res: VercelResponse
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): Promise<void> {
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const { query, existIf = '404' } = req.query;
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const availableStatus = (existIf as string).split(',').map((s) => s.trim());
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if (!query || typeof query !== 'string') {
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return sendError(res, new Error('no query given'));
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}
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if (!isURL(query)) {
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return sendError(res, new Error('Invalid URL: ' + query));
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}
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try {
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const response = await fetch(`https://${query}`);
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const availability = availableStatus.includes(response.status.toString());
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send(res, { availability });
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} catch (err: any) {
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if ((err as any).code === 'ENOTFOUND') {
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return send(res, { availability: true });
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}
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sendError(res, err);
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}
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}
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