catalog/model/extension/fraud/fraudlabspro.php

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<?php
class ModelExtensionFraudFraudLabsPro extends Model {
	public function check($data) {
		// Do not perform fraud check if FraudLabs Pro is disabled or API key is not provided.
		if (!$this->config->get('fraud_fraudlabspro_status') ||!$this->config->get('fraud_fraudlabspro_key')) {
			return;
		}

		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "fraudlabspro` WHERE order_id = '" . (int)$data['order_id'] . "'");

		// Do not call FraudLabs Pro API if order is already screened.
		if ($query->num_rows) {
			return;
		}

		$ip = $data['ip'];

		// Detect client IP is store is behind CloudFlare protection.
		if(isset($_SERVER['HTTP_CF_CONNECTING_IP']) && filter_var($_SERVER['HTTP_CF_CONNECTING_IP'], FILTER_VALIDATE_IP)){
			$ip = $_SERVER['HTTP_CF_CONNECTING_IP'];
		}

		// Get real client IP is they are behind proxy server.
		if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
			$xip = trim(current(explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'])));
			
			if (filter_var($xip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
				$ip = $xip;
			}
		}

		// Overwrite client IP if simulate IP is provided.
		if (filter_var($this->config->get('fraud_fraudlabspro_simulate_ip'), FILTER_VALIDATE_IP)) {
			$ip = $this->config->get('fraud_fraudlabspro_simulate_ip');
		}

		$request['key'] = $this->config->get('fraud_fraudlabspro_key');
		$request['ip'] = $ip;
		$request['first_name'] = $data['firstname'];
		$request['last_name'] = $data['lastname'];
		$request['bill_addr'] = $data['payment_address_1'];
		$request['bill_city'] = $data['payment_city'];
		$request['bill_state'] = $data['payment_zone'];
		$request['bill_country'] = $data['payment_iso_code_2'];
		$request['bill_zip_code'] = $data['payment_postcode'];
		$request['email_domain'] = utf8_substr(strrchr($data['email'], '@'), 1);
		$request['user_phone'] = $data['telephone'];

		if ($data['shipping_method']) {
			$request['ship_first_name'] = $data['shipping_firstname'];
			$request['ship_last_name'] = $data['shipping_lastname'];
			$request['ship_addr'] = $data['shipping_address_1'];
			$request['ship_city'] = $data['shipping_city'];
			$request['ship_state'] = $data['shipping_zone'];
			$request['ship_zip_code'] = $data['shipping_postcode'];
			$request['ship_country'] = $data['shipping_iso_code_2'];
		}
		
		$request['email'] = $data['email'];
		$request['email_hash'] = $this->hashIt($data['email']);