Move cors to middleware

api/src/middleware/cors.ts

@@ -0,0 +1,18 @@
+import cors from 'cors';
+import { RequestHandler } from 'express';
+import env from '../env';
+
+let corsMiddleware: RequestHandler = (req, res, next) => next();
+
+if (env.CORS_ENABLED === true) {
+	corsMiddleware = cors({
+		origin: env.CORS_ORIGIN || true,
+		methods: env.CORS_METHODS || 'GET,POST,PATCH,DELETE',
+		allowedHeaders: env.CORS_ALLOWED_HEADERS,
+		exposedHeaders: env.CORS_EXPOSED_HEADERS,
+		credentials: env.CORS_CREDENTIALS || undefined,
+		maxAge: env.CORS_MAX_AGE || undefined,
+	});
+}
+
+export default corsMiddleware;