first version

kirby/src/Cms/SiteRules.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Kirby\Cms;
+
+use Exception;
+use Kirby\Exception\PermissionException;
+
+/**
+ * Validators for all site actions
+ */
+class SiteRules
+{
+    public static function changeTitle(Site $site, string $title): bool
+    {
+        if ($site->permissions()->changeTitle() !== true) {
+            throw new PermissionException(['key' => 'site.changeTitle.permission']);
+        }
+
+        return true;
+    }
+
+    public static function update(Site $site, array $content = []): bool
+    {
+        if ($site->permissions()->update() !== true) {
+            throw new PermissionException(['key' => 'site.update.permission']);
+        }
+
+        return true;
+    }
+}