onpageseo-admin-license.php

<?php



if (!function_exists ('is_admin'))

{

    header('Status: 403 Forbidden');

    header('HTTP/1.1 403 Forbidden');

    exit();

}

elseif (!class_exists('OnPageSEOLicense'))

{

    class OnPageSEOLicense

    {

        /**

         * Instance Variables

         */



        var $licenseURL = 'http://www.easywpseo.com/license/';

        var $checkTime = 43200; // seconds

        var $licenseOptionName;

        var $licenseError = 0;

        var $license = array();

        var $options;







        /**

         * PHP 4 constructor (for backwards compatibility)

         *

         * @param   void

         * @return  bool    true

         */



        function OnPageSEOLicense(&$options)

        {

            $this->__construct(&$options);

            return;

        }





        /**

         * PHP 5 constructor

         *

         * @param   void

         * @return  void

         */



        function __construct(&$options)

        {

            // Plugin Options

            $this->options = &$options;



            // Set License Option Name

            $this->licenseOptionName = OPSEO_PREFIX.'_license_check';



            // Validate License Email & Serial Number

            if($this->validateEmailSerial())

            {

                // Check License

                $this->lastLicenseCheck();

            }

        }







        /**

         * Make sure user has entered license email and serial number

         *

         * @param   void

         * @return  bool

         */



        function validateEmailSerial()

        {

            if((!isset($this->options['license_email']) || (strlen(trim($this->options['license_email'])) == 0)) || (!isset($this->options['license_serial']) || (strlen(trim($this->options['license_serial'])) == 0)))

            {

                // No Email and/or Serial Number

                $this->licenseError = 1;

                return false;

            }

            else { return true; }

        }







        function lastLicenseCheck()

        {

            // Get Options

            $this->getOptions();



            // Last Update Check

            if( strtotime(date('Y-m-d H:i:s')) > (strtotime($this->license['last_checked']) + $this->checkTime) )

            {

                $this->getLicenseInfo();



                // Update If No Errors

                if(!$this->licenseError) { update_option($this->licenseOptionName, $this->license); }

            }

        }





        function getOptions()

        {

            // Last Update Check

            $this->license = get_option($this->licenseOptionName);



            // If User Changed License

            $this->licenseChanged();



            if(!$this->license)

            {

                // Get License Information

                $this->getLicenseInfo();



                if(!$this->licenseError)

                {

                    // Create New Option

                    $this->license = array('last_checked'=>date('Y-m-d H:i:s'), 'license_type'=>$this->license['license_type'], 'trial_expiration'=>$this->license['trial_expiration'], 'registered'=>$this->license['registered'], 'status'=>$this->license['status'], 'upgrade_url'=>$this->license['upgrade_url'], 'upgrade_message'=>stripslashes($this->license['upgrade_message']));



                    add_option($this->licenseOptionName, $this->license);

                }

            }

        }





        function getLicenseInfo()

        {
            // Request License Info From External URL

                                $this->license['license_type'] = "developer";
                                return('license');
            // Check If Trial License Has Expired
            // NO Need :P
            // Nulled By Kuasha420 @ blackhatteam.com :D
        }

        function getLicenseName()

        {

            switch($this->license['license_type'])

            {

                case 'free':

                    return('Free');

                    break;



                case 'trial':

                    return('Expiring Trial');

                    break;



                case 'single':

                    return('Single Site');

                    break;



                case 'multi':

                    return('Multi Site');

                    break;



                case 'developer':

                    return('Developer');

                    break;



                case 'expired':

                    return('Expired Trial');

                    break;



                default:

                    return('');

                    break;

            }

        }





        function getLicenseUsage()

        {

            switch($this->license['license_type'])

            {

                case 'free':

                    return('You can use this on an unlimited number of sites that you own and also on your client\'s sites.');

                    break;



                case 'trial':

                    return('Your license will expire '.$this->trialPeriodLeft().'.');

                    break;



                case 'single':

                    return('You can use the plugin on one site.');

                    break;



                case 'multi':

                    return('You can use the plugin on an unlimited number of sites that you own. (You cannot install the plugin on sites you do not personally own.)');

                    break;



                case 'developer':

                    return('You can use the plugin on an unlimited number of sites that you own and also on your clients\' sites.');

                    break;



                case 'expired':

                    return('Your trial has expired and you must upgrade to continue using the plugin.');

                    break;



                default:

                    return('');

                    break;

            }

        }





        function trialPeriodLeft()

        {

            $secondsLeft = strtotime($this->license['trial_expiration']) - strtotime(date('Y-m-d H:i:s'));

            $timeLeft = (int)($secondsLeft / 86400);



            if($timeLeft > 1) { return('in'.$timeLeft.' days'); }

            elseif($timeLeft == 1) { return('in'.$timeLeft.' day'); }

            else { return('today'); }

        }







        function licenseChanged()

        {

            if( isset($this->options['old_license_email']) && (strlen(trim($this->options['old_license_email'])) > 0) && isset($this->options['old_license_serial']) && (strlen(trim($this->options['old_license_serial'])) > 0) && (($this->options['license_email'] != $this->options['old_license_email']) || ($this->options['license_serial'] != $this->options['old_license_serial'])) )

            {

                if(sizeof($this->license) > 0) { delete_option($this->licenseOptionName); $this->license = array(); }

            }

        }



        function isLicenseError()

        {

            return($this->licenseError);

        }



        function getUpgradeURL()

        {

            return($this->license['upgrade_url'].'?email='.$this->options['license_email'].'&serial='.$this->options['license_serial']);

        }



        function getLicenseURL()

        {

            return($this->licenseURL.'?email='.$this->options['license_email'].'&serial='.$this->options['license_serial']);

        }



        function getLicenseType()

        {

            return($this->license['license_type']);

        }



        function getUpgradeMessage()

        {

            return(stripslashes($this->license['upgrade_message']));

        }

    }

}



?>