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19 lines
660 B
TypeScript
19 lines
660 B
TypeScript
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import type { RequestHandler } from 'express';
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const { NODE_ENV } = process.env;
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const inDevelopment = !NODE_ENV || NODE_ENV === 'development';
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export const corsMiddleware: RequestHandler = (req, res, next) => {
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if (inDevelopment && '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, sessionid',
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);
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}
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next();
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};
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