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modules/newsletterpro/classes/NewsletterProToken.php

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+<?php
+/**
+* Since 2013 Ovidiu Cimpean.
+*
+* Ovidiu Cimpean - Newsletter Pro © All rights reserved.
+*
+* DISCLAIMER
+*
+* Do not edit, modify or copy this file.
+* If you wish to customize it, contact us at addons4prestashop@gmail.com.
+*
+* @author    Ovidiu Cimpean <addons4prestashop@gmail.com>
+* @copyright Since 2013 Ovidiu Cimpean
+* @license   Do not edit, modify or copy this file
+*
+* @version   Release: 4
+*/
+
+class NewsletterProToken
+{
+    /**
+     * @return string
+     */
+    public static function getToken()
+    {
+        return Tools::encrypt(NewsletterPro::NEWSLETTER_PRO_KEY);
+    }
+
+    public static function isValidToken($token)
+    {
+        $token = trim((string) $token);
+
+        return Tools::strlen($token) > 0 && $token === self::getToken();
+    }
+
+    public static function getPublicToken()
+    {
+        return Tools::encrypt(md5('newsletterpro_public_key'));
+    }
+
+    public static function validateToken($requestToken, $token)
+    {
+        $requestToken = trim((string) $requestToken);
+
+        return Tools::strlen($requestToken) > 0 && $requestToken === $token;
+    }
+}