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21 lines
620 B
TypeScript
21 lines
620 B
TypeScript
import type { RequestHandler } from 'express';
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export const corsMiddleware: RequestHandler = (req, res, next) => {
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if ('origin' in req.headers) {
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// Allow access also from frontend when developing
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res.header('Access-Control-Allow-Origin', req.headers.origin);
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res.header('Access-Control-Allow-Credentials', 'true');
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res.header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
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res.header(
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'Access-Control-Allow-Headers',
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'Origin, X-Requested-With, Content-Type, Accept, push-ref',
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);
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}
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if (req.method === 'OPTIONS') {
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res.writeHead(204).end();
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} else {
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next();
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}
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};
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