chore: prepare for PR

app/Rules/ValidServerIp.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Rules;
+
+use Closure;
+use Illuminate\Contracts\Validation\ValidationRule;
+
+class ValidServerIp implements ValidationRule
+{
+    /**
+     * Accepts a valid IPv4 address, IPv6 address, or RFC 1123 hostname.
+     */
+    public function validate(string $attribute, mixed $value, Closure $fail): void
+    {
+        if (empty($value)) {
+            return;
+        }
+
+        $trimmed = trim($value);
+
+        if (filter_var($trimmed, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
+            return;
+        }
+
+        if (filter_var($trimmed, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
+            return;
+        }
+
+        // Delegate hostname validation to ValidHostname
+        $hostnameRule = new ValidHostname;
+        $failed = false;
+        $hostnameRule->validate($attribute, $trimmed, function () use (&$failed) {
+            $failed = true;
+        });
+
+        if ($failed) {
+            $fail('The :attribute must be a valid IPv4 address, IPv6 address, or hostname.');
+        }
+    }
+}