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modules/ets_cfultimate/classes/ETS_CFU_Recaptcha.php

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+<?php
+/**
+ * 2007-2021 ETS-Soft
+ *
+ * NOTICE OF LICENSE
+ *
+ * This file is not open source! Each license that you purchased is only available for 1 wesite only.
+ * If you want to use this file on more websites (or projects), you need to purchase additional licenses.
+ * You are not allowed to redistribute, resell, lease, license, sub-license or offer our resources to any third party.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+ * versions in the future. If you wish to customize PrestaShop for your
+ * needs please contact us for extra customization service at an affordable price
+ *
+ * @author ETS-Soft <etssoft.jsc@gmail.com>
+ * @copyright  2007-2021 ETS-Soft
+ * @license    Valid for 1 website (or project) for each purchase of license
+ *  International Registered Trademark & Property of ETS-Soft
+ */
+
+class ETS_CFU_Recaptcha extends ETS_CFU_Service
+{
+    const VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify';
+    private static $instance;
+    private $sitekeys = array();
+
+    private function __construct()
+    {
+        $site_key = Configuration::get('ETS_CFU_RECAPTCHA_TYPE') == 'v2' ? Configuration::get('ETS_CFU_SITE_KEY') : Configuration::get('ETS_CFU_SITE_KEY_V3');
+        $secret_key = Configuration::get('ETS_CFU_RECAPTCHA_TYPE') == 'v2' ? Configuration::get('ETS_CFU_SECRET_KEY') : Configuration::get('ETS_CFU_SECRET_KEY_V3');
+        $this->sitekeys[$site_key] = $secret_key;
+    }
+
+    public static function get_instance()
+    {
+        if (empty(self::$instance)) {
+            self::$instance = new self;
+        }
+        return self::$instance;
+    }
+
+    public function is_active()
+    {
+        $sitekey = $this->get_sitekey();
+        $secret = $this->get_secret($sitekey);
+        return $sitekey && $secret;
+    }
+
+    public function get_sitekey()
+    {
+        if (empty($this->sitekeys) || !is_array($this->sitekeys)) {
+            return false;
+        }
+        $sitekeys = array_keys($this->sitekeys);
+        return $sitekeys[0];
+    }
+
+    public function get_secret($sitekey)
+    {
+        $sitekeys = (array)$this->sitekeys;
+
+        if (isset($sitekeys[$sitekey])) {
+            return $sitekeys[$sitekey];
+        } else {
+            return false;
+        }
+    }
+
+    public function get_categories()
+    {
+        return array('captcha');
+    }
+
+    public function icon()
+    {
+    }
+
+    public function link()
+    {
+        echo sprintf('<a href="%1$s">%2$s</a>',
+            'https://www.google.com/recaptcha/intro/index.html',
+            'google.com/recaptcha');
+    }
+
+    public function verify($response_token)
+    {
+        if (empty($response_token)) {
+            return false;
+        }
+        $sitekey = $this->get_sitekey();
+        $secret = $this->get_secret($sitekey);
+        $link_capcha = "https://www.google.com/recaptcha/api/siteverify?secret=" . $secret . "&response=" . $response_token . "&remoteip=" . Tools::getRemoteAddr();
+        $response = json_decode(Tools::file_get_contents($link_capcha), true);
+        if ($response['success'] == false) {
+            return false;
+        } else
+            return true;
+    }
+
+    public function get_title()
+    {
+        return 'reCAPTCHA';
+    }
+}