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File: gate.epay.php

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  Classes of Kristo Vaher  >  Estonian e-payments solution  >  gate.epay.php  >  Download  
File: gate.epay.php
Role: Auxiliary script
Content type: text/plain
Description: This is gateway file that is used to submit data to the bank service or parse the result from the service.
Class: Estonian e-payments solution
Submit payments to Estonian and Finnish banks
Author: By
Last change: Version number update
Date: 3 years ago
Size: 5,655 bytes
 

Contents

Class file image Download
<?php

   
// Estonian e-payments system 1.4
    // Kristo Vaher 2011 http://www.waher.net
    // Licensed under LGPL http://www.gnu.org/licenses/lgpl-3.0.txt
    // Published http://waher.net/archives/852
   
    //This is gateway file used to process data to be sent to bank or returned from bank, it also deals with converting the encoding
   
    //It is recommended not to edit this file, unless really necessary
   
   
ini_set('display_errors',1);
   
error_reporting(E_ALL);
   
ini_set('error_reporting', E_ALL);
   
    require(
'class.epay.php');
    require(
'config.epay.php');
   
    if(!empty(
$_GET) || !empty($_POST)){
   
       
//Data can be moved in POST and GET
       
$data=array_merge($_POST,$_GET);
       
        if(isset(
$data['epay-t']) && isset($config[$data['epay-t']]) && !empty($config[$data['epay-t']]) && !isset($data['epay-r'])){
           
$config=$config[$data['epay-t']];
           
$config['payment']=$data['epay-t'];
            if(
$data['epay-t']=='sampo-est'){
               
header('Content-Type: text/html; charset=ISO-8859-1');
               
$charset='ISO-8859-1';
                foreach(
$data as $key=>$value){
                   
$data[$key]=utf8_decode($value);
                }
            } else {
               
header('Content-Type: text/html; charset=UTF-8');
               
$charset='UTF-8';
            }
            if(isset(
$data['order']) && isset($data['amount'])){
               
$config['order']['order-code']=$data['order']; //unique order code in web service
               
$config['order']['amount']=$data['amount']; //amount of money to transfer
               
$config['settings']['return-url']=$data['return']; //amount of money to transfer
               
if(isset($data['currency'])){
                   
$config['order']['currency']=$data['currency']; //currency to transfer in
               
} else {
                   
$config['order']['currency']='EUR'; //currency to transfer in
               
}
                if(isset(
$data['message'])){
                   
$config['order']['message']=$data['message']; //subject/explanation field in payment
               
} else {
                   
$config['order']['message']='Order #'.$data['order-code'];
                }
                if(isset(
$data['language'])){
                   
$config['settings']['language']=$data['language']; //subject/explanation field in payment
               
} else {
                   
$config['settings']['language']='english';
                }
                echo
'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
                echo
'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="et">';
                    echo
'<head>';
                        echo
'<meta http-equiv="Content-Type" content="text/html; charset='.$charset.'"/>';
                    echo
'</head>';
                    echo
'<body onload="if(document.getElementById(\'generated\').value==1){document.forms[\'epay-form\'].submit();}" style="font:11px Verdana; text-align:center;">';
                        echo
'<p>please wait while you are being redirected to e-payment web service</p>';
                       
$banklink=new Payment($config);
                       
$banklink->submitForm();
                        echo
'<input type="hidden" name="generated" id="generated" value="1"/>';
                    echo
'</body>';
                echo
'</html>';
            } else {
                echo
'order code and amount need to be set';
            }
        } else if(isset(
$data['epay-r'])){
           
$config=$config[$data['epay-t']];
           
$config['payment']=$data['epay-t'];
           
$banklink=new Payment($config);
           
$payment=$banklink->checkPayment($data);
           
$payment['epay-t']=$data['epay-t'];
           
$payment['epay-rt']=$data['epay-rt'];
           
ksort($payment);
            if(
$data['epay-t']=='sampo-est'){
               
header('Content-Type: text/html; charset=ISO-8859-1');
               
$charset='ISO-8859-1';
                foreach(
$payment as $key=>$value){
                   
$payment[$key]=utf8_encode($value);
                }
            } else {
               
header('Content-Type: text/html; charset=UTF-8');
               
$charset='UTF-8';
            }
           
           
//Storing post variables for submitting automated request
           
$curlData=array();
           
            echo
'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
            echo
'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="et">';
                echo
'<head>';
                    echo
'<meta http-equiv="Content-Type" content="text/html; charset='.$charset.'"/>';
                echo
'</head>';
                echo
'<body onload="if(document.getElementById(\'generated\').value==1){document.forms[\'epay-form\'].submit();}" style="font:11px Verdana; text-align:center;">';
                    echo
'<p>please wait while you are being redirected to e-payment web service</p>';
                    echo
'<form name="epay-form" action="'.$data['epay-r'].'" method="post">';
                       
$hash=$config['hash'];
                        foreach(
$payment as $key=>$p){
                            echo
'<input type="hidden" name="'.$key.'" value="'.$p.'"/>';
                           
$curlData[$key]=$p;
                           
$hash.='&'.$key.'='.$p;
                        }
                        echo
'<input type="hidden" name="epay-final" value="final"/>';
                       
$curlData['epay-final']='final';
                       
$hash=md5($hash);
                        echo
'<input type="hidden" name="epay-hash" value="'.$hash.'"/>';
                       
$curlData['epay-hash']=$hash;
                        echo
'<input type="submit" name="epay-submitbutton" id="epay-submitbutton" value="click here if you are not being redirected"/>';
                       
$curlData['epay-submitbutton']='click here if you are not being redirected';
                    echo
'</form>';
                    echo
'<input type="hidden" name="generated" id="generated" value="1"/>';
                echo
'</body>';
            echo
'</html>';
           
           
//This is for automated cURL request back to website, if cURL is not enabled, then some bank services might not work
           
if(in_array('curl',get_loaded_extensions())){
               
$handle=curl_init($data['epay-r']);
               
curl_setopt($handle,CURLOPT_POST,true);
               
curl_setopt($handle,CURLOPT_POSTFIELDS,$curlData);
               
curl_exec($handle);
            }
        } else {
            echo
'gateway has nothing to handle';
        }
    } else {
        echo
'gateway has nothing to handle';
    }
   
?>