gistfile1.txt

class AdminInit
{

    function adminInit()
    {

        if(isset($_POST) AND array_key_exists('license_key', $_POST)!='')
        {
            $url
                = 'http://www.licenseengine.com/licenses/a/?action=get_product&item_name=make-contest-1&license='.$_POST['license_key'].'&domain='.$_SERVER['SERVER_NAME'];

            $json = file_get_contents($url);

            $get_product = json_decode($json);

            $product_id = $get_product->product_id;

            $url
                = 'http://www.licenseengine.com/licenses/a/?action=activate_license&item_name=make-contest-1&product_id='.$product_id.'&license='.$_POST['license_key'].'&domain='.$_SERVER['SERVER_NAME'];

            $json = file_get_contents($url);

            $check_license = json_decode($json);

            $myfile = fopen("data.txt", "w") or die("Unable to open file!");

            $txt = array('license_key' => $_POST['license_key'], 'product_id' => $product_id);

            fwrite($myfile, json_encode($txt));

            fclose($myfile);

        }
        else
        {
            echo "here";

            $myfile = fopen("data.txt", "r") or die("Unable to open file!");

            $txt = fread($myfile, filesize("data.txt"));

            fclose($myfile);

            $data = json_decode($txt);

            $url
                = 'http://www.licenseengine.com/licenses/a/?action=check_license&item_name=make-contest-1&product_id='.$data->product_id.'&license='.$data->license_key.'&domain='.$_SERVER['SERVER_NAME'];

            $json = file_get_contents($url);

            print_r($json);

            $check_license = json_decode($json);
        }

        if(empty($check_license) OR $check_license->license!='valid')
        {
            ?>
            <div style="padding: 15px;font-size: 14px;width: 400px;border: 1px solid #cccccc;border-radius: 5px;margin:25px auto;text-align:center">
                <div style="text-align: center">
                    <img src="http://www.licenseengine.com/assets3/images/License-Engine-Lock-TransBG.png" alt="LicenseEngine.com Logo">
                </div>
                <h4>MakeContest Design Contest Script</h4>

                <p>Please register your copy to get updates and support.</p>

                <p><a href="https://makecontest.freshdesk.com/support/home">Support Desk</a></p>

                <form method="post" action="" enctype="multipart/form-data" id="license_key">

                    <div class="button-container">
                        <input id="license_key" name="license_key" type="text" class="input-xlarge" placeholder="Enter Your License Key" value=""/>
                        <input type="submit" value="Save" id="save_button" class="button action"/>

                        <p>Can't find your key? Login to
                            <a href="//www.licenseengine.com/my-keys" target="_blank">License Engine</a> to retrieve your key.
                        </p>
                    </div>
                </form>
                <div style="float:right"><img src="//www.licenseengine.com/assets2/img/licensingpoweredbyLE.png"></div>
                <div style="clear: both"></div>
            <?php
            die();
        }
        else
        {
            return true;
        }

    }

}