Merge branch 'main' into develop

2026-04-09 15:27:44 +02:00
parent 0f9b76af19
commit 9261af3e53
39 changed files with 3012 additions and 844 deletions
--- a/backend/api/dns-propagation.php
+++ b/backend/api/dns-propagation.php
@@ -0,0 +1,175 @@
+<?php
+/**
+ * HexaDNS - DNS Propagation Check API
+ * 
+ * Prüft DNS-Records bei verschiedenen öffentlichen DNS-Servern
+ * 
+ * Verwendung: GET /api/dns-propagation.php?domain=example.com&type=A
+ */
+
+header('Content-Type: application/json; charset=utf-8');
+header('Access-Control-Allow-Origin: *');
+header('Access-Control-Allow-Methods: GET, OPTIONS');
+header('Access-Control-Allow-Headers: Content-Type');
+
+if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
+    http_response_code(200);
+    exit;
+}
+
+// Öffentliche DNS-Server für Propagation-Check
+$dnsServers = [
+    ['name' => 'Google', 'ip' => '8.8.8.8', 'location' => 'Global'],
+    ['name' => 'Google Secondary', 'ip' => '8.8.4.4', 'location' => 'Global'],
+    ['name' => 'Cloudflare', 'ip' => '1.1.1.1', 'location' => 'Global'],
+    ['name' => 'Cloudflare Secondary', 'ip' => '1.0.0.1', 'location' => 'Global'],
+    ['name' => 'Quad9', 'ip' => '9.9.9.9', 'location' => 'Global'],
+    ['name' => 'OpenDNS', 'ip' => '208.67.222.222', 'location' => 'USA'],
+    ['name' => 'Comodo', 'ip' => '8.26.56.26', 'location' => 'USA'],
+    ['name' => 'Level3', 'ip' => '4.2.2.1', 'location' => 'USA'],
+];
+
+$domain = isset($_GET['domain']) ? trim($_GET['domain']) : '';
+$type = isset($_GET['type']) ? strtoupper(trim($_GET['type'])) : 'A';
+
+if (empty($domain)) {
+    http_response_code(400);
+    echo json_encode(['error' => 'Domain-Parameter fehlt']);
+    exit;
+}
+
+if (!preg_match('/^[a-zA-Z0-9][a-zA-Z0-9\-\.]*\.[a-zA-Z]{2,}$/', $domain)) {
+    http_response_code(400);
+    echo json_encode(['error' => 'Ungültiges Domain-Format']);
+    exit;
+}
+
+// Erlaubte Record-Typen
+$allowedTypes = ['A', 'AAAA', 'MX', 'NS', 'TXT', 'CNAME'];
+if (!in_array($type, $allowedTypes)) {
+    $type = 'A';
+}
+
+$results = [];
+$startTime = microtime(true);
+
+foreach ($dnsServers as $server) {
+    $serverResult = [
+        'server' => $server['name'],
+        'ip' => $server['ip'],
+        'location' => $server['location'],
+        'records' => [],
+        'status' => 'success',
+        'response_time' => 0
+    ];
+    
+    $queryStart = microtime(true);
+    
+    // DNS-Abfrage mit spezifischem Server via dig (falls verfügbar) oder dns_get_record
+    $records = queryDnsServer($domain, $type, $server['ip']);
+    
+    $serverResult['response_time'] = round((microtime(true) - $queryStart) * 1000, 2);
+    $serverResult['records'] = $records;
+    
+    if (empty($records)) {
+        $serverResult['status'] = 'no_records';
+    }
+    
+    $results[] = $serverResult;
+}
+
+$totalTime = round((microtime(true) - $startTime) * 1000, 2);
+
+// Propagation-Status berechnen
+$propagationStatus = calculatePropagationStatus($results);
+
+echo json_encode([
+    'success' => true,
+    'domain' => $domain,
+    'record_type' => $type,
+    'propagation_status' => $propagationStatus,
+    'total_time_ms' => $totalTime,
+    'timestamp' => date('Y-m-d H:i:s'),
+    'servers' => $results
+], JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
+
+/**
+ * DNS-Abfrage bei spezifischem Server
+ */
+function queryDnsServer(string $domain, string $type, string $server): array {
+    $records = [];
+    
+    // Versuche zuerst dig zu verwenden (genauer)
+    $digResult = @shell_exec("dig @{$server} {$domain} {$type} +short +time=2 +tries=1 2>/dev/null");
+    
+    if ($digResult !== null && trim($digResult) !== '') {
+        $lines = array_filter(explode("\n", trim($digResult)));
+        foreach ($lines as $line) {
+            $records[] = trim($line);
+        }
+        return $records;
+    }
+    
+    // Fallback auf PHP dns_get_record (verwendet System-DNS)
+    $dnsType = constant('DNS_' . $type);
+    $result = @dns_get_record($domain, $dnsType);
+    
+    if ($result) {
+        foreach ($result as $record) {
+            switch ($type) {
+                case 'A':
+                    $records[] = $record['ip'] ?? '';
+                    break;
+                case 'AAAA':
+                    $records[] = $record['ipv6'] ?? '';
+                    break;
+                case 'MX':
+                    $records[] = ($record['pri'] ?? '') . ' ' . ($record['target'] ?? '');
+                    break;
+                case 'NS':
+                case 'CNAME':
+                    $records[] = $record['target'] ?? '';
+                    break;
+                case 'TXT':
+                    $records[] = $record['txt'] ?? '';
+                    break;
+            }
+        }
+    }
+    
+    return array_filter($records);
+}
+
+/**
+ * Berechnet den Propagation-Status
+ */
+function calculatePropagationStatus(array $results): array {
+    $totalServers = count($results);
+    $serversWithRecords = 0;
+    $allRecords = [];
+    
+    foreach ($results as $result) {
+        if (!empty($result['records'])) {
+            $serversWithRecords++;
+            foreach ($result['records'] as $record) {
+                $allRecords[] = $record;
+            }
+        }
+    }
+    
+    // Einzigartige Records
+    $uniqueRecords = array_unique($allRecords);
+    
+    // Konsistenz prüfen (haben alle Server die gleichen Records?)
+    $isConsistent = count($uniqueRecords) <= 1 || $serversWithRecords === 0;
+    
+    $percentage = $totalServers > 0 ? round(($serversWithRecords / $totalServers) * 100) : 0;
+    
+    return [
+        'percentage' => $percentage,
+        'servers_responding' => $serversWithRecords,
+        'total_servers' => $totalServers,
+        'is_consistent' => $isConsistent,
+        'unique_values' => array_values($uniqueRecords)
+    ];
+}