Initial

server/middleware/cors.js

@@ -0,0 +1,31 @@
+const cors = require('cors');
+const { one } = require('../db');
+
+function isLocalDevOrigin(origin) {
+  try {
+    const url = new URL(origin);
+    return ['localhost', '127.0.0.1'].includes(url.hostname);
+  } catch {
+    return false;
+  }
+}
+
+function createCorsMiddleware() {
+  const persistedCors = one('SELECT value FROM app_settings WHERE key = ?', ['cors_allowed_domains'])?.value || '';
+  const allowedOrigins = (process.env.MIXEDASSETS_CORS_ORIGINS || persistedCors || 'http://localhost:5173,http://127.0.0.1:5173')
+    .split(',')
+    .map((origin) => origin.trim())
+    .filter(Boolean);
+
+  return cors({
+    origin(origin, callback) {
+      if (!origin || allowedOrigins.includes(origin) || isLocalDevOrigin(origin)) return callback(null, true);
+      return callback(new Error('Origin is not allowed by MixedAssets CORS settings'));
+    },
+    credentials: true
+  });
+}
+
+module.exports = {
+  createCorsMiddleware
+};