662 lines
20 KiB
PHP
662 lines
20 KiB
PHP
<?php
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/**
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* Profice Web API Handler - Centralized Configuration
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* ALL SENSITIVE DATA STORED HERE - NOT VISIBLE TO CLIENT
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* Handles webhooks, API, tokens, cookie consent, tracking
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*/
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// ==========================================
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// SECURITY HEADERS
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// ==========================================
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header('Content-Type: application/json');
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header('X-Content-Type-Options: nosniff');
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header('X-Frame-Options: DENY');
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header('X-XSS-Protection: 1; mode=block');
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header('Referrer-Policy: strict-origin-when-cross-origin');
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// CORS - Restrict to your domain in production
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$allowedOrigins = [
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'https://profice.de',
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'https://www.profice.de',
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'http://localhost',
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'http://127.0.0.1',
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'https://staging.profice.de'
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];
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$origin = $_SERVER['HTTP_ORIGIN'] ?? '';
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if (in_array($origin, $allowedOrigins)) {
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header("Access-Control-Allow-Origin: $origin");
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} else {
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header('Access-Control-Allow-Origin: *'); // Development fallback
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}
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header('Access-Control-Allow-Methods: POST, OPTIONS');
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header('Access-Control-Allow-Headers: Content-Type');
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header('Access-Control-Max-Age: 86400');
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// Handle preflight OPTIONS request
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if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
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http_response_code(200);
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exit();
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}
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// ==========================================
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// SENSITIVE CONFIGURATION - HIDDEN FROM CLIENT
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// ==========================================
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// Environment
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define('USE_PRODUCTION', true); // Use production webhook for live server
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define('DEBUG_MODE', true); // Enable debug temporarily to see errors
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// N8N Webhooks
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define('WEBHOOK_TEST', 'https://n8n.profice.de/webhook-test/d94ef798-3f43-46dd-8207-1e335e64518f');
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define('WEBHOOK_PROD', 'https://n8n.profice.de/webhook/d94ef798-3f43-46dd-8207-1e335e64518f');
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define('WEBHOOK_URL', USE_PRODUCTION ? WEBHOOK_PROD : WEBHOOK_TEST);
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// KI Chat Webhook
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define('KI_CHAT_WEBHOOK_TEST', 'https://n8n.profice.de/webhook-test/8a25bce2-ff83-4676-a3a2-a0e1174fcffe');
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define('KI_CHAT_WEBHOOK_PROD', 'https://n8n.profice.de/webhook/8a25bce2-ff83-4676-a3a2-a0e1174fcffe');
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define('KI_CHAT_WEBHOOK_URL', USE_PRODUCTION ? KI_CHAT_WEBHOOK_PROD : KI_CHAT_WEBHOOK_TEST);
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// Google Analytics
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define('GA_MEASUREMENT_ID', 'G-XXXXXXXXXX'); // Replace with your actual ID
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define('GA_API_SECRET', ''); // For server-side tracking
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// Google Tag Manager
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define('GTM_CONTAINER_ID', 'GTM-XXXXXXX'); // Replace with your actual ID
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// Facebook Pixel
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define('FB_PIXEL_ID', ''); // Replace with your actual ID
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define('FB_ACCESS_TOKEN', ''); // For Conversions API
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// Google Ads
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define('GADS_CONVERSION_ID', 'AW-XXXXXXXXXX');
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define('GADS_CONVERSION_LABEL', '');
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// LinkedIn Insight
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define('LINKEDIN_PARTNER_ID', '');
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// API Keys
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define('API_SECRET_KEY', 'your-secret-key-here'); // For API authentication
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// Rate Limiting
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define('RATE_LIMIT_REQUESTS', 100);
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define('RATE_LIMIT_WINDOW', 3600); // 1 hour
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// ==========================================
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// HELPER FUNCTIONS
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// ==========================================
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function sendResponse($success, $message, $data = null, $statusCode = 200) {
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http_response_code($statusCode);
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$response = [
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'success' => $success,
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'message' => $message,
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'timestamp' => date('c')
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];
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// Only include data if not null and not in production (security)
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if ($data !== null && (!USE_PRODUCTION || DEBUG_MODE)) {
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$response['data'] = $data;
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} elseif ($data !== null && $success) {
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// In production, only return safe data
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$response['data'] = filterSafeData($data);
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}
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echo json_encode($response);
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exit();
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}
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function filterSafeData($data) {
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// Remove sensitive fields from response
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$sensitiveFields = ['webhook_url', 'ip_address', 'user_agent', 'http_code', 'error'];
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if (is_array($data)) {
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foreach ($sensitiveFields as $field) {
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unset($data[$field]);
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}
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}
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return $data;
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}
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function getClientIP() {
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$ipKeys = ['HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR'];
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foreach ($ipKeys as $key) {
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if (array_key_exists($key, $_SERVER)) {
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foreach (explode(',', $_SERVER[$key]) as $ip) {
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$ip = trim($ip);
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false) {
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return $ip;
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}
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}
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}
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}
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return $_SERVER['REMOTE_ADDR'] ?? 'unknown';
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}
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function sanitizeInput($input) {
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if (is_array($input)) {
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return array_map('sanitizeInput', $input);
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}
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return htmlspecialchars(trim($input), ENT_QUOTES, 'UTF-8');
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}
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function validateCSRFToken($token) {
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// Implement CSRF validation if needed
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return true;
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}
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function checkRateLimit($ip) {
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$rateLimitFile = __DIR__ . '/rate_limits.json';
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$limits = [];
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if (file_exists($rateLimitFile)) {
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$limits = json_decode(file_get_contents($rateLimitFile), true) ?: [];
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}
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$now = time();
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$windowStart = $now - RATE_LIMIT_WINDOW;
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// Clean old entries
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$limits = array_filter($limits, function($entry) use ($windowStart) {
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return $entry['time'] > $windowStart;
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});
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// Count requests from this IP
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$ipRequests = array_filter($limits, function($entry) use ($ip) {
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return $entry['ip'] === $ip;
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});
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if (count($ipRequests) >= RATE_LIMIT_REQUESTS) {
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return false;
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}
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// Add new request
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$limits[] = ['ip' => $ip, 'time' => $now];
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file_put_contents($rateLimitFile, json_encode($limits));
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return true;
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}
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// ==========================================
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// WEBHOOK FUNCTIONS
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// ==========================================
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function sendToWebhook($data, $webhookUrl = null) {
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$url = $webhookUrl ?? WEBHOOK_URL;
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$ch = curl_init();
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curl_setopt_array($ch, [
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CURLOPT_URL => $url,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_POST => true,
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CURLOPT_POSTFIELDS => json_encode($data),
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CURLOPT_HTTPHEADER => [
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'Content-Type: application/json',
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'User-Agent: Profice-Web-API/2.0'
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],
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CURLOPT_TIMEOUT => 30,
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CURLOPT_SSL_VERIFYPEER => false, // Disable SSL verification for n8n connection
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CURLOPT_SSL_VERIFYHOST => false, // Disable host verification
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CURLOPT_FOLLOWLOCATION => true
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]);
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$response = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$error = curl_error($ch);
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$errno = curl_errno($ch);
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curl_close($ch);
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if ($error) {
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error_log("Webhook Error [$errno]: " . $error . " - URL: " . $url);
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return ['success' => false, 'error' => $error, 'errno' => $errno, 'response' => $response];
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}
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return [
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'success' => $httpCode >= 200 && $httpCode < 300,
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'http_code' => $httpCode,
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'response' => $response,
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'error' => $error
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];
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}
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// ==========================================
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// TRACKING FUNCTIONS - SERVER SIDE
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// ==========================================
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function getTrackingConfig() {
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// Return tracking configuration for client
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// IDs are loaded from server, not exposed in JS
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return [
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'analytics_enabled' => !empty(GA_MEASUREMENT_ID) && GA_MEASUREMENT_ID !== 'G-XXXXXXXXXX',
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'gtm_enabled' => !empty(GTM_CONTAINER_ID) && GTM_CONTAINER_ID !== 'GTM-XXXXXXX',
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'fb_enabled' => !empty(FB_PIXEL_ID),
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'gads_enabled' => !empty(GADS_CONVERSION_ID) && GADS_CONVERSION_ID !== 'AW-XXXXXXXXXX',
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'linkedin_enabled' => !empty(LINKEDIN_PARTNER_ID)
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];
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}
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function loadTrackingScripts($preferences) {
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$scripts = [];
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// Google Analytics
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if ($preferences['analytics'] && !empty(GA_MEASUREMENT_ID) && GA_MEASUREMENT_ID !== 'G-XXXXXXXXXX') {
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$scripts['ga'] = [
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'type' => 'analytics',
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'src' => 'https://www.googletagmanager.com/gtag/js?id=' . GA_MEASUREMENT_ID,
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'config' => [
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'id' => GA_MEASUREMENT_ID
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]
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];
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}
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// Google Tag Manager
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if ($preferences['analytics'] && !empty(GTM_CONTAINER_ID) && GTM_CONTAINER_ID !== 'GTM-XXXXXXX') {
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$scripts['gtm'] = [
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'type' => 'gtm',
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'src' => 'https://www.googletagmanager.com/gtm.js?id=' . GTM_CONTAINER_ID,
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'config' => [
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'id' => GTM_CONTAINER_ID
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]
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];
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}
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// Facebook Pixel
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if ($preferences['marketing'] && !empty(FB_PIXEL_ID)) {
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$scripts['fb'] = [
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'type' => 'pixel',
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'src' => 'https://connect.facebook.net/en_US/fbevents.js',
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'config' => [
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'pixel_id' => FB_PIXEL_ID
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]
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];
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}
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// Google Ads
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if ($preferences['marketing'] && !empty(GADS_CONVERSION_ID) && GADS_CONVERSION_ID !== 'AW-XXXXXXXXXX') {
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$scripts['gads'] = [
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'type' => 'conversion',
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'src' => 'https://www.googletagmanager.com/gtag/js?id=' . GADS_CONVERSION_ID,
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'config' => [
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'conversion_id' => GADS_CONVERSION_ID,
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'conversion_label' => GADS_CONVERSION_LABEL
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]
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];
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}
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// LinkedIn
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if ($preferences['marketing'] && !empty(LINKEDIN_PARTNER_ID)) {
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$scripts['linkedin'] = [
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'type' => 'insight',
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'src' => 'https://snap.licdn.com/li.lms-analytics/insight.min.js',
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'config' => [
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'partner_id' => LINKEDIN_PARTNER_ID
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]
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];
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}
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return $scripts;
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}
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function sendEventToGA($data) {
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if (empty(GA_MEASUREMENT_ID) || GA_MEASUREMENT_ID === 'G-XXXXXXXXXX') {
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return false;
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}
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$postData = [
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'client_id' => $data['client_id'] ?? uniqid(),
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'user_id' => $data['user_id'] ?? null,
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'events' => [
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[
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'name' => $data['event_name'],
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'params' => $data['params'] ?? []
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]
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]
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];
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$url = 'https://www.google-analytics.com/mp/collect';
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$url .= '?measurement_id=' . GA_MEASUREMENT_ID;
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$url .= '&api_secret=' . GA_API_SECRET;
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$ch = curl_init();
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curl_setopt_array($ch, [
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CURLOPT_URL => $url,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_POST => true,
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CURLOPT_POSTFIELDS => json_encode($postData),
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CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
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CURLOPT_TIMEOUT => 10
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]);
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$response = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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return $httpCode >= 200 && $httpCode < 300;
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}
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function sendEventToFB($data) {
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if (empty(FB_PIXEL_ID) || empty(FB_ACCESS_TOKEN)) {
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return false;
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}
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$postData = [
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'data' => [
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[
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'event_name' => $data['event_name'],
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'event_time' => time(),
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'action_source' => 'website',
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'user_data' => $data['user_data'] ?? [],
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'custom_data' => $data['custom_data'] ?? []
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]
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]
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];
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$url = 'https://graph.facebook.com/v18.0/' . FB_PIXEL_ID . '/events';
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$url .= '?access_token=' . FB_ACCESS_TOKEN;
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$ch = curl_init();
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curl_setopt_array($ch, [
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CURLOPT_URL => $url,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_POST => true,
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CURLOPT_POSTFIELDS => json_encode($postData),
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CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
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CURLOPT_TIMEOUT => 10
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]);
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$response = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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return $httpCode >= 200 && $httpCode < 300;
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}
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// ==========================================
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// STORAGE FUNCTIONS
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// ==========================================
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function storeLead($data) {
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$leadFile = __DIR__ . '/data/leads.json';
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$dir = dirname($leadFile);
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if (!is_dir($dir)) {
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mkdir($dir, 0755, true);
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}
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$leads = [];
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if (file_exists($leadFile)) {
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$leads = json_decode(file_get_contents($leadFile), true) ?: [];
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}
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$lead = [
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'id' => uniqid('lead_', true),
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'datum' => date('d.m.Y'),
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'dienstleistung' => $data['service'] ?? 'Allgemein',
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'status' => 'open',
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'statusText' => 'Offen',
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'description' => $data['description'] ?? '',
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'name' => $data['name'] ?? '',
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'contact' => $data['contact'] ?? '',
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'organisation' => $data['organisation'] ?? '',
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'timestamp' => date('c'),
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'ip_address' => getClientIP()
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];
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array_unshift($leads, $lead);
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$leads = array_slice($leads, 0, 100);
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file_put_contents($leadFile, json_encode($leads, JSON_PRETTY_PRINT));
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return $lead['id'];
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}
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function storeCookieConsent($data) {
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$consentFile = __DIR__ . '/data/cookie_consent.json';
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$dir = dirname($consentFile);
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if (!is_dir($dir)) {
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mkdir($dir, 0755, true);
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}
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$consents = [];
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if (file_exists($consentFile)) {
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$consents = json_decode(file_get_contents($consentFile), true) ?: [];
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}
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$consent = [
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'id' => uniqid('consent_', true),
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'timestamp' => date('c'),
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'preferences' => $data['preferences'] ?? [],
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'ip_address' => getClientIP(),
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'user_agent' => $_SERVER['HTTP_USER_AGENT'] ?? ''
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];
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array_unshift($consents, $consent);
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$consents = array_slice($consents, 0, 1000);
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file_put_contents($consentFile, json_encode($consents, JSON_PRETTY_PRINT));
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return $consent['id'];
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}
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function getCookieConsent() {
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$consentFile = __DIR__ . '/data/cookie_consent.json';
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if (!file_exists($consentFile)) {
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return null;
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}
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$consents = json_decode(file_get_contents($consentFile), true) ?: [];
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return $consents[0] ?? null;
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}
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// ==========================================
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// REQUEST HANDLERS
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// ==========================================
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function handleContactForm($data) {
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$required = ['name', 'contact'];
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foreach ($required as $field) {
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if (empty($data[$field])) {
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sendResponse(false, "Pflichtfeld fehlt: {$field}", null, 400);
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}
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}
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$formData = [
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'name' => sanitizeInput($data['name']),
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'organisation' => sanitizeInput($data['organisation'] ?? ''),
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'contact' => sanitizeInput($data['contact']),
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'service' => sanitizeInput($data['service'] ?? ''),
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'budget' => sanitizeInput($data['budget'] ?? ''),
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'description' => sanitizeInput($data['description'] ?? ''),
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'timestamp' => date('c'),
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'source' => 'contact_form',
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'form_type' => 'offer',
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'ip_address' => getClientIP()
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];
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// Store lead locally first
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$leadId = storeLead($formData);
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// Send to Offer webhook (contact form)
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$webhookResult = sendToWebhook($formData, WEBHOOK_URL);
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// Always return success to user, but include webhook info in debug mode
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$debugData = DEBUG_MODE ? [
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'lead_id' => $leadId,
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'webhook_result' => $webhookResult,
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'webhook_url' => WEBHOOK_URL,
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'form_data' => $formData
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] : null;
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if ($webhookResult['success']) {
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sendResponse(true, 'Formular erfolgreich gesendet', $debugData);
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} else {
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// Still return success to user but log the webhook error
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error_log('Webhook failed but form was stored locally: ' . json_encode($webhookResult));
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sendResponse(true, 'Formular erfolgreich gesendet (Webhook-Fehler protokolliert)', $debugData);
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}
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}
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function handleLeadForm($data) {
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// Handle lead form submissions
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$leadId = storeLead($data);
|
|
sendResponse(true, 'Lead gespeichert', ['lead_id' => $leadId]);
|
|
}
|
|
|
|
function handleCookieConsent($data) {
|
|
$preferences = $data['preferences'] ?? [];
|
|
$consentId = storeCookieConsent(['preferences' => $preferences]);
|
|
|
|
// Load tracking scripts based on preferences
|
|
$scripts = loadTrackingScripts($preferences);
|
|
|
|
sendResponse(true, 'Cookie-Einstellungen gespeichert', [
|
|
'consent_id' => $consentId,
|
|
'scripts' => $scripts
|
|
]);
|
|
}
|
|
|
|
function handleGetCookieConsent($data) {
|
|
$consent = getCookieConsent();
|
|
if ($consent) {
|
|
sendResponse(true, 'Cookie-Einstellungen gefunden', $consent);
|
|
} else {
|
|
sendResponse(false, 'Keine Cookie-Einstellungen gefunden', null, 404);
|
|
}
|
|
}
|
|
|
|
function handleGetTrackingConfig($data) {
|
|
$config = getTrackingConfig();
|
|
sendResponse(true, 'Tracking-Konfiguration', $config);
|
|
}
|
|
|
|
function handleChatMessage($data) {
|
|
$message = sanitizeInput($data['message'] ?? '');
|
|
$sessionId = sanitizeInput($data['session_id'] ?? uniqid('chat_'));
|
|
|
|
if (empty($message)) {
|
|
sendResponse(false, 'Nachricht darf nicht leer sein', null, 400);
|
|
}
|
|
|
|
$chatData = [
|
|
'type' => 'chat_message',
|
|
'session_id' => $sessionId,
|
|
'message' => $message,
|
|
'timestamp' => date('c'),
|
|
'source' => 'website_chat',
|
|
'ip_address' => getClientIP(),
|
|
'user_agent' => $_SERVER['HTTP_USER_AGENT'] ?? ''
|
|
];
|
|
|
|
// Send to KI Chat webhook
|
|
$webhookResult = sendToWebhook($chatData, KI_CHAT_WEBHOOK_URL);
|
|
|
|
$debugData = DEBUG_MODE ? [
|
|
'session_id' => $sessionId,
|
|
'webhook_result' => $webhookResult,
|
|
'webhook_url' => KI_CHAT_WEBHOOK_URL
|
|
] : null;
|
|
|
|
if ($webhookResult['success']) {
|
|
// Try to parse response from webhook
|
|
$response = json_decode($webhookResult['response'], true);
|
|
$aiResponse = $response['message'] ?? 'Vielen Dank für Ihre Nachricht. Ich melde mich so schnell wie möglich bei Ihnen.';
|
|
|
|
sendResponse(true, 'Nachricht gesendet', array_merge($debugData, [
|
|
'session_id' => $sessionId,
|
|
'ai_response' => $aiResponse,
|
|
'timestamp' => date('c')
|
|
]));
|
|
} else {
|
|
error_log('Chat webhook failed: ' . json_encode($webhookResult));
|
|
sendResponse(false, 'Chat-Service derzeit nicht verfügbar. Bitte versuchen Sie es später erneut.', $debugData, 503);
|
|
}
|
|
}
|
|
|
|
function handleTrackEvent($data) {
|
|
$eventName = $data['event_name'] ?? '';
|
|
$eventData = $data['event_data'] ?? [];
|
|
|
|
// Send to Google Analytics
|
|
$gaSuccess = sendEventToGA([
|
|
'event_name' => $eventName,
|
|
'params' => $eventData
|
|
]);
|
|
|
|
// Send to Facebook
|
|
$fbSuccess = sendEventToFB([
|
|
'event_name' => $eventName,
|
|
'custom_data' => $eventData
|
|
]);
|
|
|
|
sendResponse(true, 'Event gesendet', [
|
|
'ga_success' => $gaSuccess,
|
|
'fb_success' => $fbSuccess
|
|
]);
|
|
}
|
|
|
|
// ==========================================
|
|
// MAIN REQUEST HANDLER
|
|
// ==========================================
|
|
|
|
// Validate request method
|
|
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
|
|
sendResponse(false, 'Nur POST-Anfragen erlaubt', null, 405);
|
|
}
|
|
|
|
// Rate limiting
|
|
$clientIP = getClientIP();
|
|
if (!checkRateLimit($clientIP)) {
|
|
sendResponse(false, 'Zu viele Anfragen. Bitte später erneut versuchen.', null, 429);
|
|
}
|
|
|
|
// Get JSON input
|
|
$jsonInput = file_get_contents('php://input');
|
|
$data = json_decode($jsonInput, true);
|
|
|
|
if (!$data) {
|
|
$data = $_POST;
|
|
}
|
|
|
|
if (!$data || empty($data)) {
|
|
sendResponse(false, 'Keine Daten empfangen', null, 400);
|
|
}
|
|
|
|
$requestType = $data['type'] ?? 'contact';
|
|
|
|
try {
|
|
switch ($requestType) {
|
|
case 'contact':
|
|
handleContactForm($data);
|
|
break;
|
|
case 'lead':
|
|
handleLeadForm($data);
|
|
break;
|
|
case 'cookie_consent':
|
|
handleCookieConsent($data);
|
|
break;
|
|
case 'get_cookie_consent':
|
|
handleGetCookieConsent($data);
|
|
break;
|
|
case 'get_tracking_config':
|
|
handleGetTrackingConfig($data);
|
|
break;
|
|
case 'track_event':
|
|
handleTrackEvent($data);
|
|
break;
|
|
case 'chat':
|
|
handleChatMessage($data);
|
|
break;
|
|
default:
|
|
sendResponse(false, 'Ungültiger Anfragetyp', null, 400);
|
|
}
|
|
} catch (Exception $e) {
|
|
error_log('API Error: ' . $e->getMessage());
|
|
error_log('Stack trace: ' . $e->getTraceAsString());
|
|
sendResponse(false, 'Interner Serverfehler', null, 500);
|
|
}
|
|
?>
|