next.config.ts

import type { NextConfig } from "next";

import createNextIntlPlugin from "next-intl/plugin";

const withNextIntl = createNextIntlPlugin();

const cspHeader = `
    default-src 'self';
    script-src 'self' 'unsafe-eval' 'unsafe-inline';
    style-src 'self' 'unsafe-inline';
    img-src 'self' blob: data: https://*.sanity.io https://*.cloudflare.com https://image.redotengine.org;
    connect-src 'self' https://*.sanity.io https://*.cloudflare.com;
    font-src 'self';
    object-src 'none';
    base-uri 'self';
    form-action 'self';
    frame-ancestors 'none';
    upgrade-insecure-requests;
`;

const nextConfig: NextConfig = {
  images: {
    remotePatterns: [
      {
        protocol: "https",
        hostname: "image.redotengine.org",
        pathname: "/**",
      },
      {
        protocol: "https",
        hostname: "cdn.sanity.io",
        pathname: `/images/${process.env.NEXT_PUBLIC_SANITY_PROJECT_ID}/${process.env.NEXT_PUBLIC_SANITY_DATASET}/**`,
      },
    ],
  },
  async redirects() {
    return [
      {
        source: "/news/:slug",
        destination: "/blog/:slug",
        permanent: true,
      },
    ];
  },
  experimental: {
    staleTimes: {
      dynamic: 30,
      static: 180,
    },
  },
  async headers() {
    return [
      {
        source: "/(.*)", // Apply to all routes
        headers: [
          {
            key: "Strict-Transport-Security",
            value: "max-age=63072000; includeSubDomains; preload",
          },
          {
            key: "X-Frame-Options",
            value: "SAMEORIGIN",
          },
          {
            key: "X-Content-Type-Options",
            value: "nosniff",
          },
          // TODO: Implement a robust Content-Security-Policy (CSP) header to enhance application security.
          // {
          //   key: "Content-Security-Policy",
          //   value: cspHeader.replace(/\n/g, ""),
          // },
          {
            key: "Permissions-Policy",
            value:
              "geolocation=(), microphone=(), camera=(), payment=(), usb=()",
          },
          {
            key: "Referrer-Policy",
            value: "origin-when-cross-origin",
          },
        ],
      },
    ];
  },
};

export default withNextIntl(nextConfig);