first commit

plugins/stPrzelewy24Plugin/lib/Przelewy24.class.php

@@ -0,0 +1,270 @@
+<?php
+
+/**
+ * Przelewy24 comunication class
+ * 
+ * @author DialCom24 Sp. z o.o.
+ * @copyright DialCom24 Sp. z o.o.
+ * @version 1.1
+ * @since 2014-04-29
+ */
+
+/**
+ * 
+ * Communication protol version
+ * @var double
+ */
+define("P24_VERSION", "3.2");
+
+class Przelewy24
+{
+    /**
+     * Live system URL address
+     * @var string
+     */
+    private $hostLive        =    "https://secure.przelewy24.pl/";
+    /**
+     * Sandbox system URL address
+     * @var string
+     */
+    private $hostSandbox     =    "https://sandbox.przelewy24.pl/";
+    /**
+     * Use Live (false) or Sandbox (true) enviroment
+     * @var bool
+     */
+    private $testMode        =    false;
+    /**
+     * Merchant posId
+     * @var int
+     */
+    private $posId           =    0;
+    /**
+     * Salt to create a control sum (from P24 panel)
+     * @var string
+     */
+    private $salt            =    "";
+    /**
+     * Array of POST data
+     * @var array
+     */
+    private $postData        =    array();
+
+    /**
+     * 
+     * Obcject constructor. Set initial parameters
+     * @param int $merchantId
+     * @param int $posId
+     * @param string $salt
+     * @param bool $testMode
+     */
+    public function __construct($merchantId, $posId, $salt, $testMode = false)
+    {
+
+        $this->posId         = (int) $posId;
+        $this->salt          = $salt;
+
+        if ($testMode)
+        {
+            $this->hostLive = $this->hostSandbox;
+        }
+
+        $this->addValue("p24_merchant_id", $merchantId);
+        $this->addValue("p24_pos_id", $this->posId);
+        $this->addValue("p24_api_version", P24_VERSION);
+
+        return true;
+    }
+    /**
+     * 
+     * Returns host URL
+     */
+    public function getHost()
+    {
+        return $this->hostLive;
+    }
+
+    /**
+     * 
+     * Add value do post request
+     * @param string $name Argument name
+     * @param mixed $value Argument value
+     * @todo Add postData validation
+     */
+    public function addValue($name, $value)
+    {
+
+        $this->postData[$name] = $value;
+    }
+
+    /**
+     * Returns post request values
+     *
+     * @return array
+     */
+    public function getValues()
+    {
+        return $this->postData;
+    }
+
+    /**
+     * 
+     * Function is testing a connection with P24 server
+     * @return array Array(INT Error, Array Data), where data 
+     */
+    public function testConnection()
+    {
+
+        $crc = md5($this->posId . "|" . $this->salt);
+
+        $ARG["p24_pos_id"] = $this->posId;
+
+        $ARG["p24_sign"] = $crc;
+
+        $RES = $this->callUrl("testConnection", $ARG);
+        return $RES;
+    }
+
+    /**
+     * 
+     * Prepare a transaction request
+     * @param bool $redirect Set true to redirect to Przelewy24 after transaction registration
+     * @return array array(INT Error code, STRING Token)
+     */
+    public function trnRegister($redirect = false)
+    {
+
+        $crc = md5($this->postData["p24_session_id"] . "|" . $this->posId . "|" . $this->postData["p24_amount"] . "|" . $this->postData["p24_currency"] . "|" . $this->salt);
+
+        $this->addValue("p24_sign", $crc);
+
+        $RES = $this->callUrl("trnRegister", $this->postData);
+        if ($RES["error"] == "0")
+        {
+
+            $token = $RES["token"];
+        }
+        else
+        {
+
+            return $RES;
+        }
+        if ($redirect)
+        {
+            $this->trnRequest($token);
+        }
+
+        return array("error" => 0, "token" => $token);
+    }
+
+    /**
+     * Redirects or returns URL to a P24 payment screen
+     * @param string $token Token
+     * @param bool $redirect If set to true redirects to P24 payment screen. If set to false function returns URL to redirect to P24 payment screen
+     * @return string URL to P24 payment screen
+     */
+    public function trnRequest($token, $redirect = true)
+    {
+
+        if ($redirect)
+        {
+            header("Location:" . $this->hostLive . "trnRequest/" . $token);
+            return "";
+        }
+        else
+        {
+            return $this->hostLive . "trnRequest/" . $token;
+        }
+    }
+
+    /**
+     * 
+     * Function verify received from P24 system transaction's result.
+     * @return array
+     */
+    public function trnVerify()
+    {
+
+        $crc = md5($this->postData["p24_session_id"] . "|" . $this->postData["p24_order_id"] . "|" . $this->postData["p24_amount"] . "|" . $this->postData["p24_currency"] . "|" . $this->salt);
+
+        $this->addValue("p24_sign", $crc);
+
+        $RES = $this->callUrl("trnVerify", $this->postData);
+
+        return $RES;
+    }
+
+    /**
+     * 
+     * Function contect to P24 system
+     * @param string $function Method name
+     * @param array $ARG POST parameters
+     * @return array array(INT Error code, ARRAY Result)
+     */
+    private function callUrl($function, $ARG)
+    {
+
+        if (!in_array($function, array("trnRegister", "trnRequest", "trnVerify", "testConnection")))
+        {
+
+            return array("error" => 201, "errorMessage" => "class:Method not exists");
+        }
+
+        $REQ = array();
+
+        foreach ($ARG as $k => $v) $REQ[] = $k . "=" . urlencode($v);
+
+        $url = $this->hostLive . $function;
+        $user_agent = "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)";
+        if ($ch = curl_init())
+        {
+
+            if (count($REQ))
+            {
+                curl_setopt($ch, CURLOPT_POST, 1);
+                curl_setopt($ch, CURLOPT_POSTFIELDS, join("&", $REQ));
+            }
+
+            curl_setopt($ch, CURLOPT_URL, $url);
+            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+            curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);
+            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
+            if ($result = curl_exec($ch))
+            {
+                $INFO = curl_getinfo($ch);
+                $error = curl_error($ch);
+                curl_close($ch);
+
+                if ($INFO["http_code"] != 200)
+                {
+                    return array("error" => $INFO["http_code"], "errorMessage" => "HTTP connection error (" . $INFO["http_code"] . ")");
+                }
+                else
+                {
+                    $RES     = array();
+                    $X       = explode("&", $result);
+
+                    foreach ($X as $val)
+                    {
+
+                        $Y           = explode("=", $val);
+                        $RES[trim($Y[0])] = urldecode(trim($Y[1]));
+                    }
+                    return $RES;
+                }
+            }
+            else
+            {
+                $error = curl_error($ch);
+                curl_close($ch);
+
+                return array("error" => 203, "errorMessage" => $error);
+            }
+        }
+        else
+        {
+
+            return array("error" => 202, "errorMessage" => "call:Curl init error");
+        }
+    }
+}