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Direktori : /home1/lightco1/public_html/plugins/vmpayment/klarna/klarna/api/checkout/ |
Current File : //home1/lightco1/public_html/plugins/vmpayment/klarna/klarna/api/checkout/checkouthtml.intf.php |
<?php defined ('_JEXEC') or die(); /** * CheckoutHTML interface for threatmetrix * * PHP Version 5.3 * * @category Payment * @package KlarnaAPI * @author MS Dev <ms.modules@klarna.com> * @copyright 2012 Klarna AB (http://klarna.com) * @license http://opensource.org/licenses/BSD-2-Clause BSD-2 * @link http://integration.klarna.com/ */ /** * This interface provides methods to supply checkout page specific HTML.<br> * Can be used to insert device identification, fraud prevention,<br> * client side validation code into the checkout page. * * @category Payment * @package KlarnaAPI * @author MS Dev <ms.modules@klarna.com> * @copyright 2012 Klarna AB (http://klarna.com) * @license http://opensource.org/licenses/BSD-2-Clause BSD-2 * @link http://integration.klarna.com/ */ abstract class CheckoutHTML { /** * Creates a session ID used for e.g. client identification and fraud * prevention. * * This method creates a 40 character long integer. * The first 30 numbers is microtime + random numbers. * The last 10 numbers is the eid zero-padded. * * All random functions are automatically seeded as of PHP 4.2.0. * * E.g. for eid 1004 output could be: * 1624100001298454658880354228080000001004 * * @param int $eid merchant id * * @return string A integer with a string length of 40. */ public static function getSessionID($eid) { $eid = strval($eid); while (strlen($eid) < 10) { $eid = "0" . $eid; //Zero-pad the eid. } $sid = str_replace(array(' ', ',', '.'), '', microtime()); $sid[0] = rand(1, 9); //Make sure we always have a non-zero first. //microtime + rand = 30 numbers in length while (strlen($sid) < 30) { //rand is automatically seeded as of PHP 4.2.0 $sid .= rand(0, 9999); } $sid = substr($sid, 0, 30); $sid .= $eid; return $sid; } /** * Initializes this object, this method is always called * before {@link CheckoutHTML::toHTML()}. * This method is used in {@link Klarna::addTransaction()}, * {@link Klarna::reserveAmount()} and in {@link Klarna::checkoutHTML()} * * @param Klarna $klarna The API instance * @param int $eid merchant id * * @return void */ abstract public function init($klarna, $eid); /** * This returns the HTML code for this object, * which will be used in the checkout page. * * @return string HTML */ abstract public function toHTML(); /** * This function is used to clear any stored values * (in SESSION, COOKIE or similar) * which are required to be unique between purchases. * * @return void */ abstract public function clear(); }