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38 lines
1019 B
TypeScript
38 lines
1019 B
TypeScript
import { VercelRequest, VercelResponse } from '@vercel/node';
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import { fetch, send, sendError } from '../../../util/http';
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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 } = req.query;
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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 (!/([a-zA-Z0-9_-])\.js\.org/.test(query)) {
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return sendError(res, new Error('Invalid format'));
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}
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const cname = query.replace(/\.js\.org$/, '');
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try {
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// Get cnames from js.org repo
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const source = await fetch(
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`https://raw.githubusercontent.com/js-org/js.org/master/cnames_active.js`,
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'GET'
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).then((res) => res.text());
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const cnames = Array.from(source.matchAll(/^ "(.+)":/gm)).map((m) => m[1]);
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if (cnames.includes(cname)) {
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send(res, { availability: false });
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} else {
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send(res, { availability: true });
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}
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} catch (err: any) {
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console.log(err);
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sendError(res, err);
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}
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}
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