Initial commit: CABM-IT (ItGlue-style MSP documentation platform)

Laravel 13 + Livewire/Volt app for managing client organizations,
documents, passwords, flexible assets, virtual machines, contacts,
domains, todos, shortcuts, and role-based user administration.

app/Http/Middleware/CheckOrganizationIpAccess.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\IpUtils;
+use Symfony\Component\HttpFoundation\Response;
+
+class CheckOrganizationIpAccess
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  Closure(Request): (Response)  $next
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        $organization = $request->route('organization');
+
+        if (! $organization || empty($organization->allowed_ip_ranges)) {
+            return $next($request);
+        }
+
+        if (IpUtils::checkIp($request->ip(), $organization->allowed_ip_ranges)) {
+            return $next($request);
+        }
+
+        abort(403, 'Your IP address is not permitted to access this organization.');
+    }
+}