feat(ui): Shadow UI redesign, domain management, and DNS autoconfigure (#11119)

Co-authored-by: ShadowArcanist <162910371+ShadowArcanist@users.noreply.github.com>

app/Support/DnsRecordHints.php

@@ -0,0 +1,133 @@
+<?php
+
+namespace App\Support;
+
+/**
+ * Provider-agnostic DNS records to point hostnames at a Coolify server.
+ */
+class DnsRecordHints
+{
+    /**
+     * Build A/AAAA entries for every hostname (deduped).
+     *
+     * @param  array<int, string|null>  $hostnames
+     * @return array<int, array{type: string, name: string, value: string}>
+     */
+    public static function forHostnames(array $hostnames, ?string $ipv4, ?string $ipv6 = null): array
+    {
+        $records = [];
+        $seen = [];
+
+        foreach ($hostnames as $hostname) {
+            if (! is_string($hostname) || trim($hostname) === '') {
+                continue;
+            }
+
+            foreach (self::forTarget($hostname, $ipv4, $ipv6) as $record) {
+                $key = strtolower($record['type'].'|'.$record['name'].'|'.$record['value']);
+                if (isset($seen[$key])) {
+                    continue;
+                }
+                $seen[$key] = true;
+                $records[] = $record;
+            }
+        }
+
+        usort($records, function (array $a, array $b): int {
+            return [$a['name'], $a['type'], $a['value']] <=> [$b['name'], $b['type'], $b['value']];
+        });
+
+        return $records;
+    }
+
+    /**
+     * @return array<int, array{type: string, name: string, value: string}>
+     */
+    public static function forTarget(?string $hostname, ?string $ipv4, ?string $ipv6 = null): array
+    {
+        $records = [];
+        $fqdn = self::normalizeHostname($hostname);
+        if ($fqdn === null) {
+            return [];
+        }
+
+        if (filled($ipv4) && filter_var($ipv4, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false) {
+            $records[] = [
+                'type' => 'A',
+                'name' => $fqdn,
+                'value' => $ipv4,
+            ];
+        }
+
+        if (filled($ipv6) && filter_var($ipv6, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false) {
+            $records[] = [
+                'type' => 'AAAA',
+                'name' => $fqdn,
+                'value' => $ipv6,
+            ];
+        }
+
+        return $records;
+    }
+
+    public static function normalizeHostname(?string $hostname): ?string
+    {
+        if (blank($hostname)) {
+            return null;
+        }
+
+        $hostname = strtolower(trim($hostname));
+        $hostname = preg_replace('#^https?://#i', '', $hostname) ?? $hostname;
+        $hostname = explode('/', $hostname)[0] ?? $hostname;
+        $hostname = explode(':', $hostname)[0] ?? $hostname;
+        $hostname = rtrim($hostname, '.');
+
+        if ($hostname === '' || $hostname === '@' || ! str_contains($hostname, '.')) {
+            return null;
+        }
+
+        // Strip path-like noise; host only.
+        if (filter_var($hostname, FILTER_VALIDATE_IP)) {
+            return null;
+        }
+
+        return $hostname;
+    }
+
+    /**
+     * Relative name for a zone (e.g. app for app.example.com, @ for example.com).
+     */
+    public static function relativeName(?string $hostname): string
+    {
+        $fqdn = self::normalizeHostname($hostname);
+        if ($fqdn === null) {
+            return '@';
+        }
+
+        $labels = array_values(array_filter(explode('.', $fqdn), fn (string $p) => $p !== ''));
+        if (count($labels) <= 2) {
+            return '@';
+        }
+
+        return implode('.', array_slice($labels, 0, -2));
+    }
+
+    /**
+     * Plain-text block suitable for clipboard (type / name / value).
+     *
+     * @param  array<int, array{type: string, name: string, value: string}>  $records
+     */
+    public static function toCopyText(array $records): string
+    {
+        if ($records === []) {
+            return '';
+        }
+
+        $lines = ["Type\tName\tValue"];
+        foreach ($records as $record) {
+            $lines[] = "{$record['type']}\t{$record['name']}\t{$record['value']}";
+        }
+
+        return implode("\n", $lines);
+    }
+}