All files / src middleware.ts

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import { defineMiddleware } from "astro:middleware";
 
/**
 * Security headers middleware.
 * Reproduces the OWASP headers previously set by nginx.conf.
 */
export const onRequest = defineMiddleware(async (_context, next) => {
  const response = await next();
 
  response.headers.set("X-Content-Type-Options", "nosniff");
  response.headers.set("X-Frame-Options", "DENY");
  response.headers.set("X-XSS-Protection", "1; mode=block");
  response.headers.set("Referrer-Policy", "strict-origin-when-cross-origin");
  response.headers.set("Permissions-Policy", "camera=(), microphone=(), geolocation=(), payment=(), usb=(), magnetometer=(), gyroscope=(), accelerometer=()");
  response.headers.set("Content-Security-Policy", "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; font-src 'self'; img-src 'self' data:; connect-src 'self'; frame-ancestors 'none'; base-uri 'self'; form-action 'self';");
  response.headers.set("Strict-Transport-Security", "max-age=63072000; includeSubDomains; preload");
  response.headers.set("X-Permitted-Cross-Domain-Policies", "none");
 
  return response;
});