From 97e7ebe9aa422bdc640ef4fb1fe7511327eb4f1a Mon Sep 17 00:00:00 2001
From: suphicakir <suphicakir@gmail.com>
Date: Thu, 5 Nov 2026 02:02:00 +0300
Subject: [PATCH] =?UTF-8?q?feat(security):=20CSP=20ve=20g=C3=BCvenlik=20ba?=
 =?UTF-8?q?=C5=9Fl=C4=B1klar=C4=B1,=20health=20DB=20ping?=
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 next.config.ts | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/next.config.ts b/next.config.ts
index d80125d..8e8b26e 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -1,5 +1,47 @@
 import type { NextConfig } from "next";
 
+const isDev = process.env.NODE_ENV === "development";
+
+/**
+ * Content-Security-Policy (nonce'suz): Cache Components'in statik kabuğu ile uyumlu.
+ * 'unsafe-inline' script: Next.js'in satır içi hydration verisi ve next-themes'in tema betiği için.
+ * Grafikler (Recharts, SVG) ve carousel (Embla) ek kaynak gerektirmez; ek dosyalar
+ * kendi origin'imizden (/api/files/...) ve blob: önizlemelerle servis edilir.
+ */
+const csp = [
+  "default-src 'self'",
+  `script-src 'self' 'unsafe-inline'${isDev ? " 'unsafe-eval'" : ""}`,
+  "style-src 'self' 'unsafe-inline'",
+  "img-src 'self' blob: data:",
+  "font-src 'self'",
+  "connect-src 'self'",
+  "media-src 'self' blob:",
+  "worker-src 'self' blob:",
+  "manifest-src 'self'",
+  "object-src 'none'",
+  "base-uri 'self'",
+  "form-action 'self'",
+  "frame-ancestors 'none'",
+  ...(isDev ? [] : ["upgrade-insecure-requests"]),
+].join("; ");
+
+const securityHeaders = [
+  { key: "Content-Security-Policy", value: csp },
+  { key: "X-Content-Type-Options", value: "nosniff" },
+  { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
+  { key: "X-Frame-Options", value: "DENY" },
+  { key: "Cross-Origin-Opener-Policy", value: "same-origin" },
+  // Kamera: Faz 6'da fiş fotoğrafı için yalnızca kendi origin'imiz.
+  {
+    key: "Permissions-Policy",
+    value: "camera=(self), microphone=(), geolocation=(), payment=(), usb=()",
+  },
+  ...(isDev
+    ? []
+    : // includeSubDomains/preload bilinçli olarak yok: ta1sph.website'in diğer alt alanlarını bağlamasın.
+      [{ key: "Strict-Transport-Security", value: "max-age=31536000" }]),
+];
+
 const nextConfig: NextConfig = {
   // Docker imajı için yalnızca gerekli dosyaları .next/standalone altına kopyala.
   output: "standalone",
@@ -17,6 +59,9 @@ const nextConfig: NextConfig = {
       },
     },
   },
+  async headers() {
+    return [{ source: "/:path*", headers: securityHeaders }];
+  },
 };
 
 export default nextConfig;