refactor: Use mail-config.php as main config, deprecate config.php

config/mail-config.php

@@ -140,16 +140,59 @@ function isValidEmail($email) {
     return true;
 }
 
-// CSRF Token generieren
-function generateCSRFToken() {
-    if (!isset($_SESSION['csrf_token'])) {
-        $_SESSION['csrf_token'] = bin2hex(random_bytes(32));
+// CSRF Token generieren (wird in functions.php verwendet)
+// Hinweis: Diese Funktion existiert auch in functions.php - hier nur als Fallback
+if (!function_exists('generateCSRFToken')) {
+    function generateCSRFToken() {
+        if (!isset($_SESSION['csrf_token'])) {
+            $_SESSION['csrf_token'] = bin2hex(random_bytes(32));
+        }
+        return $_SESSION['csrf_token'];
     }
-    return $_SESSION['csrf_token'];
 }
 
 // CSRF Token validieren
-function validateCSRFToken($token) {
-    return isset($_SESSION['csrf_token']) && hash_equals($_SESSION['csrf_token'], $token);
+if (!function_exists('validateCSRFToken')) {
+    function validateCSRFToken($token) {
+        return isset($_SESSION['csrf_token']) && hash_equals($_SESSION['csrf_token'], $token);
+    }
 }
-?> 
+
+/**
+ * Hilfsfunktion zum Abrufen der Konfiguration als Array
+ * Kompatibilität mit contact-handler.php
+ * 
+ * @param string|null $key Optional: einzelner Schlüssel
+ * @return mixed Konfigurationsarray oder einzelner Wert
+ */
+function getHexaHostConfig($key = null) {
+    $config = [
+        // SMTP Server-Einstellungen
+        'smtp_host' => SMTP_HOST,
+        'smtp_port' => SMTP_PORT,
+        'smtp_username' => SMTP_USERNAME,
+        'smtp_password' => SMTP_PASSWORD,
+        'smtp_encryption' => 'tls',
+        
+        // Absender/Empfänger
+        'from_email' => SMTP_FROM_EMAIL,
+        'from_name' => 'HexaHost.de Kontaktformular',
+        'to_email' => SMTP_TO_EMAIL,
+        'to_name' => 'HexaHost Support',
+        
+        // Sicherheit
+        'max_requests_per_hour' => MAX_REQUESTS_PER_HOUR,
+        'honeypot_field' => 'website',
+        
+        // Debug
+        'debug_mode' => DEBUG_MODE,
+        'log_errors' => LOG_EMAILS,
+    ];
+    
+    if ($key === null) {
+        return $config;
+    }
+    
+    return $config[$key] ?? null;
+}
+?>