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28 lines
685 B
TypeScript
28 lines
685 B
TypeScript
import {send, sendError, fetch} from '../../../util/http';
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import {NowRequest, NowResponse} from '@vercel/node';
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export default async function handler(
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req: NowRequest,
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res: NowResponse,
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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_-]/.test(query)) {
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return sendError(res, new Error('Invalid characters'));
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}
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try {
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const response = await fetch(
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`https://${encodeURIComponent(query)}.slack.com`,
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);
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const availability = response.status !== 200;
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send(res, {availability});
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} catch (err) {
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sendError(res, err);
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}
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}
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