Initial import: Carteasy Shop (Dev-Stand)

2026-04-20 01:03:43 +02:00
commit d504f8a05d
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+<?php
+/**
+ * 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();
+}