2a1b4d93ed
- Removed the TransformInterceptor to streamline response handling, ensuring that all responses are returned directly without a success envelope. - Updated various controllers and services to utilize new action response schemas, enhancing clarity and consistency in API responses. - Refactored error handling in the CsrfController and CheckoutController to improve logging and error management. - Cleaned up unused imports and optimized code structure for better maintainability and clarity across the application.
97 lines
3.1 KiB
TypeScript
97 lines
3.1 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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/**
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* Next.js 16 Proxy (formerly Middleware)
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*
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* Generates a cryptographic nonce for each request to allow inline scripts
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* while maintaining Content Security Policy protection.
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*
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* @see https://nextjs.org/docs/app/guides/content-security-policy
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* @see https://nextjs.org/docs/messages/middleware-to-proxy
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*/
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export function proxy(request: NextRequest) {
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// Generate a random nonce for this request
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const nonce = Buffer.from(crypto.randomUUID()).toString("base64");
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// Determine environment
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const isDev = process.env.NODE_ENV === "development";
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// Build CSP header value
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const cspHeader = buildCSP(nonce, isDev);
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// Clone the request headers
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const requestHeaders = new Headers(request.headers);
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requestHeaders.set("x-nonce", nonce);
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// Create response with updated headers
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const response = NextResponse.next({
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request: {
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headers: requestHeaders,
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},
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});
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// Set CSP header on response
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response.headers.set("Content-Security-Policy", cspHeader);
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// Add additional security headers
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response.headers.set("X-Frame-Options", "DENY");
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response.headers.set("X-Content-Type-Options", "nosniff");
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response.headers.set("Referrer-Policy", "strict-origin-when-cross-origin");
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response.headers.set("Permissions-Policy", "camera=(), microphone=(), geolocation=()");
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return response;
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}
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function buildCSP(nonce: string, isDev: boolean): string {
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if (isDev) {
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// Development: More permissive for HMR and dev tools
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return [
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"default-src 'self'",
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"script-src 'self' 'unsafe-eval' 'unsafe-inline'", // HMR needs eval
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"style-src 'self' 'unsafe-inline'",
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"img-src 'self' data: https:",
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"font-src 'self' data:",
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"connect-src 'self' https: http://localhost:* ws://localhost:*",
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"frame-ancestors 'none'",
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].join("; ");
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}
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// Production: Strict CSP with nonce
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// 'strict-dynamic' allows scripts loaded by nonced scripts to execute.
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// Next 16 applies the nonce to its own inline scripts, so 'unsafe-inline'
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// is not required in script-src when the nonce is present.
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return [
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"default-src 'self'",
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`script-src 'self' 'nonce-${nonce}' 'strict-dynamic'`,
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"style-src 'self' 'unsafe-inline'", // Next.js requires this for styled-jsx
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"img-src 'self' data: https:",
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"font-src 'self' data:",
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"connect-src 'self' https:",
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"frame-ancestors 'none'",
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"base-uri 'self'",
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"form-action 'self'",
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"object-src 'none'",
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"upgrade-insecure-requests",
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].join("; ");
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}
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// Apply proxy to all routes except static assets
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export const config = {
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matcher: [
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/*
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* Match all request paths except:
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* - _next/static (static files)
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* - _next/image (image optimization files)
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* - favicon.ico, sitemap.xml, robots.txt (metadata files)
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* - _health (health check endpoint)
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*/
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{
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source: "/((?!_next/static|_next/image|favicon.ico|sitemap.xml|robots.txt|_health).*)",
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missing: [
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{ type: "header", key: "next-router-prefetch" },
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{ type: "header", key: "purpose", value: "prefetch" },
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],
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},
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],
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};
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