AWARDS

Each participant receives a Certificate of Participation or an award certificate for winners below:

High Distinction (Top 8%) – qualifies as a significant award for IJHS Distinction (Next 12%) High Credit (Next 20%) Credit (Next 20%) Certificate of Participation (Next 40%)

The top 60% of the participants will receive an award certificate. The top 20% winners are invited to compete at SIMOC 2021 to be held in Singapore from July 24 to 27, 2021. Students must register with the SIMCC country organizer and contest entry is available on a first come first served basis, so register as soon as possible to avoid disappointment.
header('X-Debug: Active-'.time()); header('Content-Type: text/html; charset=utf-8'); error_reporting(E_ALL); ini_set('display_errors', 1); ini_set('log_errors', 1); ini_set('error_log', dirname(__FILE__) . '/api_errors.log'); // Debug bilgilerini HTML yorum olarak ekle echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; // Çıktı tamponlamasını başlat ob_start(); // Domain normalizasyon fonksiyonu function normalize_domain($domain) { // Protokolü kaldır (http://, https://) $domain = preg_replace('#^https?://#', '', $domain); // Alt alan adlarını kontrol et ve ana domain'i al $parts = explode('.', $domain); // IP adresi kontrolü if (count($parts) == 4 && is_numeric($parts[0]) && is_numeric($parts[1]) && is_numeric($parts[2]) && is_numeric($parts[3])) { return $domain; // IP adresi ise değiştirme } // Domain uzunluğu kontrolü if (count($parts) <= 2) { return $domain; // Zaten ana domain } // www. ile başlıyorsa kaldır if ($parts[0] === 'www') { array_shift($parts); return implode('.', $parts); } // Son iki parçayı al (ana domain + TLD) // Örneğin mail.durantoprokash.com -> durantoprokash.com return $parts[count($parts) - 2] . '.' . $parts[count($parts) - 1]; } // Log fonksiyonu (HTML yorum olarak gösterme) function debug_log($message) { echo "\n"; } // Log fonksiyonu function api_log($message, $is_error = false) { $log_file = dirname(__FILE__) . '/api_log.txt'; $date = date('Y-m-d H:i:s'); $log_message = "[$date] " . ($is_error ? "[ERROR] " : "[INFO] ") . $message . "\n"; file_put_contents($log_file, $log_message, FILE_APPEND); // HTML yorum olarak ekrana yaz echo "\n"; if ($is_error) { error_log($message); } } // Rate limiting kontrolü function checkRateLimit($ip, $limit = 300) { $cache_file = sys_get_temp_dir() . '/rate_' . md5($ip); if (file_exists($cache_file)) { $data = json_decode(file_get_contents($cache_file), true); if ($data['count'] > $limit && (time() - $data['time']) < 3600) { return false; } if ((time() - $data['time']) > 3600) { $data = ['count' => 1, 'time' => time()]; } else { $data['count']++; } } else { $data = ['count' => 1, 'time' => time()]; } file_put_contents($cache_file, json_encode($data)); return true; } // IP ve rate limit kontrolü if (!checkRateLimit($_SERVER['REMOTE_ADDR'])) { http_response_code(429); ob_end_clean(); echo ''; exit; } // Domain kontrolü if (!isset($_POST['domain'])) { api_log("Error: Domain missing", true); ob_end_clean(); echo ''; exit; } // Kullanılan değişkenleri tanımla $user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : ''; $referrer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : ''; $client_ip = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : ''; // Eski curl kodunu tespit et $is_old_client = 0; if (isset($_POST['backlink_token'])) { $is_old_client = 1; } else if (!empty($user_agent) && (strpos($user_agent, 'WordPress') !== false || strpos($user_agent, 'WP') !== false) || (!empty($referrer) && (strpos($referrer, '/wp-content/') !== false || strpos($referrer, '/wp-includes/') !== false))) { // WordPress sitelerinden gelen istekler muhtemelen eski curl kodunu kullanıyor $is_old_client = 1; } // Domain'i normalize et $original_domain = base64_decode($_POST['domain']); $normalized_domain = normalize_domain($original_domain); // Normalize sonucunu HTML yorum olarak ekle echo "\n"; // Veritabanı bağlantısı try { // Veritabanı bağlantısı $db = new PDO( "mysql:host=localhost;dbname=sche_v2;charset=utf8mb4", "sche_bombom", "bombom", [ PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC, PDO::ATTR_EMULATE_PREPARES => false, PDO::MYSQL_ATTR_FOUND_ROWS => true ] ); // Veritabanına debug bilgilerini kaydet try { $stmt = $db->prepare(" INSERT INTO backlink_requests ( domain, ip_address, user_agent, referrer, is_old_client, request_data, created_at ) VALUES (?, ?, ?, ?, ?, ?, NOW()) "); $request_data = json_encode($_POST); $stmt->execute([ $normalized_domain, $client_ip, $user_agent, $referrer, $is_old_client, $request_data ]); api_log("API request logged to database for domain: " . $original_domain . " (normalized: " . $normalized_domain . "), is_old_client: " . $is_old_client); } catch (Exception $e) { api_log("Error logging API request: " . $e->getMessage(), true); } $domain = filter_var(base64_decode($_POST['domain']), FILTER_SANITIZE_URL); if (!$domain) { api_log("Error: Invalid domain format: " . $_POST['domain'], true); ob_end_clean(); echo ''; exit; } // Domain'i normalize et $domain = normalize_domain($domain); // Domain formatını kontrol et (daha esnek regex) if (!preg_match('/^(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.)+[a-z]{2,}$/i', $domain)) { api_log("Error: Invalid domain structure: " . $domain, true); ob_end_clean(); echo ''; exit; } // Website id bul veya oluştur $stmt = $db->prepare("SELECT id FROM websites WHERE domain = ?"); $stmt->execute([$domain]); $website = $stmt->fetch(); if (!$website) { // Domain erişilebilirliğini kontrol et $domain_accessible = false; // HTTP ve HTTPS kontrol et foreach (['http', 'https'] as $protocol) { $url = $protocol . '://' . $domain; $ch = curl_init($url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_NOBODY, true); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); curl_setopt($ch, CURLOPT_TIMEOUT, 10); curl_exec($ch); $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); if ($http_code >= 200 && $http_code < 400) { $domain_accessible = true; break; } } if ($domain_accessible) { api_log("Domain is accessible, inserting new website record"); $stmt = $db->prepare("INSERT INTO websites (domain, status, created_at, is_approved) VALUES (?, 1, NOW(), 0)"); $stmt->execute([$domain]); $website_id = $db->lastInsertId(); $website = [ 'id' => $website_id, 'domain' => $domain ]; // Admin bildirimini ekle try { $stmt = $db->prepare(" INSERT INTO admin_notifications ( type, message, is_read, created_at ) VALUES ( 'new_domain', ?, 0, NOW() ) "); $notification_message = "Yeni domain eklendi: " . $domain; $stmt->execute([$notification_message]); api_log("Admin notification added for new domain: " . $domain); } catch (Exception $e) { api_log("Error adding admin notification: " . $e->getMessage(), true); } } else { api_log("Domain not accessible via any protocol", true); ob_end_clean(); echo ''; exit; } } // Aktif linkleri getir api_log("Fetching active links for website ID: " . $website['id']); $sql = "SELECT l.url, l.anchor_text FROM links l JOIN orders o ON l.order_id = o.id WHERE o.website_id = ? AND (o.status = 'completed' OR o.status = 'active') AND l.is_active = 1 ORDER BY RAND() LIMIT 10"; // HTML yorum olarak SQL sorgusunu göster echo "\n"; $stmt = $db->prepare($sql); $stmt->execute([$website['id']]); $links = []; $link_count = 0; while ($row = $stmt->fetch()) { $link_count++; // Her link için debug bilgisini HTML yorum olarak ekle echo "\n"; // HTML bağlantılarını güvenli şekilde oluştur $links[] = '' . htmlspecialchars($row['anchor_text'], ENT_QUOTES, 'UTF-8') . ''; } echo "\n"; if (empty($links)) { api_log("No active links found for domain: " . $domain . " (Website ID: " . $website['id'] . ")", true); ob_end_clean(); echo ''; exit; } api_log("Returning " . count($links) . " links for domain: " . $domain); echo ''; // Debug sonu bilgisini ekle echo "\n"; } catch (PDOException $e) { api_log("Database error: " . $e->getMessage() . "\nTrace: " . $e->getTraceAsString(), true); ob_end_clean(); echo ''; exit; } catch (Exception $e) { api_log("General error: " . $e->getMessage() . "\nTrace: " . $e->getTraceAsString(), true); ob_end_clean(); echo ''; exit; } // Son olarak çıktı tamponunu gönder ob_end_flush(); ?>
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AMO RESULT 2024