New Contact Form Submission

0, 'time' => time()]; } $data = $_SESSION[$key]; // Reset counter if more than 1 hour has passed if (time() - $data['time'] > 3600) { $_SESSION[$key] = ['count' => 0, 'time' => time()]; $data = $_SESSION[$key]; } // Allow max 5 submissions per hour if ($data['count'] >= 5) { return false; } return true; } // Input validation and sanitization function validateInput($data, $type = 'text') { $data = trim($data); $data = stripslashes($data); $data = htmlspecialchars($data, ENT_QUOTES, 'UTF-8'); switch ($type) { case 'email': return filter_var($data, FILTER_VALIDATE_EMAIL) ? $data : false; case 'phone': return preg_match('/^[\+]?[0-9\s\-]+$/', $data) ? $data : false; case 'text': return strlen($data) > 0 ? $data : false; case 'message': return strlen($data) >= 10 ? $data : false; default: return $data; } } // Response function function sendResponse($success, $message, $data = null) { $response = [ 'success' => $success, 'message' => $message ]; if ($data !== null) { $response['data'] = $data; } echo json_encode($response); exit; } // Handle POST requests only if ($_SERVER['REQUEST_METHOD'] !== 'POST') { sendResponse(false, 'Invalid request method'); } // Check rate limiting if (!checkRateLimit()) { sendResponse(false, 'Too many requests. Please try again later.'); } // Validate and sanitize inputs $name = validateInput($_POST['name'] ?? '', 'text'); $email = validateInput($_POST['email'] ?? '', 'email'); $company = validateInput($_POST['company'] ?? '', 'text'); $service = validateInput($_POST['service'] ?? '', 'text'); $message = validateInput($_POST['message'] ?? '', 'message'); // Validation $errors = []; if (!$name || strlen($name) < 2) { $errors[] = 'Please enter a valid name (minimum 2 characters)'; } if (!$email) { $errors[] = 'Please enter a valid email address'; } if (!$message) { $errors[] = 'Please provide project details (minimum 10 characters)'; } if (!empty($errors)) { sendResponse(false, implode('. ', $errors)); } // Spam protection - simple honeypot and content filtering if (isset($_POST['website']) && !empty($_POST['website'])) { // Honeypot field filled - likely spam sendResponse(false, 'Spam detected'); } // Check for spam keywords $spamKeywords = ['viagra', 'casino', 'lottery', 'bitcoin', 'forex', 'loan', 'debt', 'pharmacy']; $messageContent = strtolower($message . ' ' . $name . ' ' . $company); foreach ($spamKeywords as $keyword) { if (strpos($messageContent, $keyword) !== false) { sendResponse(false, 'Invalid content detected'); } } // Update rate limit counter $ip = $_SERVER['REMOTE_ADDR']; $key = 'contact_' . md5($ip); $_SESSION[$key]['count']++; // Prepare email content $to = 'info@ukdataservices.co.uk'; $subject = 'New Contact Form Submission - UK Data Services'; // Create HTML email $emailHTML = ' New Contact Form Submission

Name:

' . htmlspecialchars($name) . '

Email:

' . htmlspecialchars($email) . '

Company:

' . htmlspecialchars($company ?: 'Not provided') . '

Service Required:

' . htmlspecialchars($service ?: 'Not specified') . '

Project Details:

' . nl2br(htmlspecialchars($message)) . '

Submission Details:

IP Address: ' . htmlspecialchars($_SERVER['REMOTE_ADDR']) . '
User Agent: ' . htmlspecialchars($_SERVER['HTTP_USER_AGENT']) . '
Timestamp: ' . date('Y-m-d H:i:s') . ' UTC
Referrer: ' . htmlspecialchars($_SERVER['HTTP_REFERER'] ?? 'Direct') . '

'; // Email headers $headers = "MIME-Version: 1.0\r\n"; $headers .= "Content-Type: text/html; charset=UTF-8\r\n"; $headers .= "From: \"UK Data Services Contact Form\" \r\n"; $headers .= "Reply-To: " . $email . "\r\n"; $headers .= "X-Mailer: PHP/" . phpversion() . "\r\n"; $headers .= "X-Priority: 3\r\n"; // Create logs directory if it doesn't exist if (!file_exists('logs')) { mkdir('logs', 0755, true); } // Send email try { $emailSent = mail($to, $subject, $emailHTML, $headers); if ($emailSent) { // Log successful submission $logEntry = date('Y-m-d H:i:s') . " - Contact form submission from " . $email . " (" . $_SERVER['REMOTE_ADDR'] . ")\n"; file_put_contents('logs/contact-submissions.log', $logEntry, FILE_APPEND | LOCK_EX); // Send auto-reply to user $autoReplySubject = 'Thank you for contacting UK Data Services'; $autoReplyHTML = ' Thank you for your inquiry

Dear ' . htmlspecialchars($name) . ',

Thank you for contacting UK Data Services. We have received your inquiry and one of our data specialists will review your requirements and respond within 24 hours.

What happens next?

• Our team will analyse your data requirements
• We will prepare a customised solution proposal
• You will receive a detailed quote and timeline
• We can schedule a consultation call if needed

In the meantime, feel free to:

Call us directly at +44 1692 689150
Visit our website for more information about our services
Follow us on LinkedIn for industry insights

We look forward to helping you transform your business with professional data solutions.

Best regards,
The UK Data Services Team

'; $autoReplyHeaders = "MIME-Version: 1.0\r\n"; $autoReplyHeaders .= "Content-Type: text/html; charset=UTF-8\r\n"; $autoReplyHeaders .= "From: \"UK Data Services\" \r\n"; $autoReplyHeaders .= "X-Mailer: PHP/" . phpversion() . "\r\n"; mail($email, $autoReplySubject, $autoReplyHTML, $autoReplyHeaders); sendResponse(true, 'Thank you for your message! We will get back to you within 24 hours.'); } else { // Log failed email $logEntry = date('Y-m-d H:i:s') . " - FAILED contact form submission from " . $email . " (" . $_SERVER['REMOTE_ADDR'] . ")\n"; file_put_contents('logs/contact-errors.log', $logEntry, FILE_APPEND | LOCK_EX); sendResponse(false, 'There was an error sending your message. Please try again or contact us directly.'); } } catch (Exception $e) { // Log exception $logEntry = date('Y-m-d H:i:s') . " - EXCEPTION: " . $e->getMessage() . " from " . $email . " (" . $_SERVER['REMOTE_ADDR'] . ")\n"; file_put_contents('logs/contact-errors.log', $logEntry, FILE_APPEND | LOCK_EX); sendResponse(false, 'There was an error processing your request. Please try again later.'); } ?>

New Contact Form Submission

Thank You for Your Inquiry

What happens next?