feat: implement SimpleCorsMiddleware for enhanced CORS handling across API routes

Author: tanhongit

routes/blog-api.php

@@ -25,7 +25,7 @@
 
 $routePrefix = config('blog-api.defaults.route_prefix');
 
-Route::prefix($routePrefix)->name("$routePrefix.")->middleware('api')->group(function () {
+Route::prefix($routePrefix)->name("$routePrefix.")->middleware(\CSlant\Blog\Api\Http\Middlewares\SimpleCorsMiddleware::class)->group(function () {
     Route::get('/', fn () => response()->json(['message' => 'Welcome to CSlant Blog API']));
 
     Route::get('search', [PostController::class, 'getSearch']);

src/Http/Middlewares/CorsMiddleware.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace CSlant\Blog\Api\Http\Middlewares;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class SimpleCorsMiddleware
+{
+    /**
+     * Handle an incoming request.
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        // Simple: allow all origins
+        $origin = $request->headers->get('Origin', '*');
+
+        // Handle preflight OPTIONS request
+        if ($request->getMethod() === 'OPTIONS') {
+            return response('', 200)
+                ->header('Access-Control-Allow-Origin', $origin)
+                ->header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS, PATCH')
+                ->header('Access-Control-Allow-Headers', 'Accept, Authorization, Content-Type, X-Requested-With, X-CSRF-TOKEN, X-XSRF-TOKEN, Origin')
+                ->header('Access-Control-Allow-Credentials', 'true')
+                ->header('Access-Control-Max-Age', '86400');
+        }
+
+        $response = $next($request);
+
+        // Add CORS headers to response
+        $response->headers->set('Access-Control-Allow-Origin', $origin);
+        $response->headers->set('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS, PATCH');
+        $response->headers->set('Access-Control-Allow-Headers', 'Accept, Authorization, Content-Type, X-Requested-With, X-CSRF-TOKEN, X-XSRF-TOKEN, Origin');
+        $response->headers->set('Access-Control-Allow-Credentials', 'true');
+
+        return $response;
+    }
+}