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khosb/plugins/checkout/PAYPAL_RECURRING.php
2011-05-03 09:49:01 +10:00

294 lines
8.7 KiB
PHP

<?php
/**
* AgileBill - Open Billing Software
*
* This body of work is free software; you can redistribute it and/or
* modify it under the terms of the Open AgileBill License
* License as published at http://www.agileco.com/agilebill/license1-4.txt
*
* Originally authored by Tony Landis, AgileBill LLC
*
* Recent modifications by Deon George
*
* @author Deon George <deonATleenooksDOTnet>
* @copyright 2009 Deon George
* @link http://osb.leenooks.net
*
* @link http://www.agileco.com/
* @copyright 2004-2008 Agileco, LLC.
* @license http://www.agileco.com/agilebill/license1-4.txt
* @author Tony Landis <tony@agileco.com>
* @package AgileBill
* @subpackage Checkout:Paypal
*/
if (defined('PATH_MODULES'))
include_once(PATH_PLUGINS.'checkout/PAYPAL/PAYPAL.php');
else
include_once('PAYPAL/PAYPAL.php');
/**
* The main AgileBill Paypal Payment Class
*
* @package AgileBill
* @subpackage Checkout:Paypal
*/
class plg_chout_PAYPAL_RECURRING extends plg_chout_base_PAYPAL {
public function __construct($checkout_id=false,$multi=false) {
$this->name = 'PAYPAL_RECURRING';
parent::__construct($checkout_id,$multi);
$this->recurr_only = true;
}
# Perform the checkout transaction (new purchase):
public function bill_checkout($amount,$invoice,$currency_iso,$acct_fields,$total_recurring=false,$recurr_bill_arr=array()) {
global $C_debug;
# Validate we have configured the account
if (! $this->cfg['email']) {
$C_debug->alert(_('Sorry, unable to use this payment method, it has not been configured properly.'));
return false;
}
# Validate the currency:
if (! $this->validate_currency($currency_iso))
return false;
# Special JPY formatting:
if ($currency_iso == 'JPY')
$amount = round($amount);
# Get the regular period for this subscription:
switch($recurr_bill_arr[0]['recurr_schedule']) {
case 0: $p3 = '1'; $t3 = 'W'; break;
case 1: $p3 = '1'; $t3 = 'M'; break;
case 2: $p3 = '3'; $t3 = 'M'; break;
case 3: $p3 = '6'; $t3 = 'M'; break;
case 4: $p3 = '1'; $t3 = 'Y'; break;
case 5: $p3 = '2'; $t3 = 'Y'; break;
default:
$C_debug->error(__FILE__,__METHOD__,sprintf('Unknown recurr_schedule %s',$recurr_bill_arr[0]['recurr_schedule']));
return false;
}
# Calculate the payment fee to be adde
$fee = $fee_recurring = 0;
switch ($this->cfg['feetype']) {
case '2':
$fee = $fee_recurring = $this->cfg['fee'];
printf('<script type="text/javascript">alert("%s")</script>',
sprintf(_('Please note, a payment processing fee of %3.2f will automatically be added to this payment schedule.'),$this->cfg['fee']));
break;
case '1':
$fee = round($amount*$this->cfg['fee'],2);
$fee_recurring = round($total_recurring*$this->cfg['fee'],2);
printf('<script type="text/javascript">alert("%s")</script>',
sprintf(_('Please note, a payment processing fee of %3.2f%% will automatically be added to this payment schedule.'),$this->cfg['fee']*100));
break;
}
$amount += $fee;
$total_recurring += $fee_recurring;
# Set the vars
$vals = array(
array('cmd','_xclick-subscriptions'),
array('txn_type','subscr_signup'),
array('bn','osb_BuyNow_WPS_AU'),
array('no_shipping','1'),
array('no_note','1'),
array('rm','2'),
array('business',$this->cfg['email']),
array('tax_cart','0'),
array('return',$this->success_url.$invoice),
array('cancel_return',$this->decline_url.$invoice),
array('notify_url',$this->return_url),
array('currency_code',$currency_iso),
array('invoice',$invoice),
array('first_name',$acct_fields['first_name']),
array('last_name',$acct_fields['last_name']),
array('payer_business_name',$acct_fields['company']),
array('address_street',$acct_fields['address1']),
array('address_city',$acct_fields['city']),
array('address_state',$acct_fields['state']),
array('address_zip',$acct_fields['zip']),
array('address_country',$acct_fields['country_id']),
array('payer_email',$acct_fields['email']),
array('payer_id',$acct_fields['id']),
array('a1',$amount),
array('a3',$total_recurring),
array('p3',$p3),
array('t3',$t3),
array('sra',1),
array('src',1),
array('item_name','Automatic Payment'),
array('usr_manage',0)
);
# Get the next bill date for this subscription:
# @todo Dont we already know this next date?
if ($recurr_bill_arr[0]['recurr_type'] == '1') {
# Pro-rate billing:
include_once(PATH_MODULES.'product/product.inc.php');
$product = new product;
$arr = $product->recurrDates($recurr_bill_arr[0]['recurr_schedule'],$recurr_bill_arr[0]['recurr_weekday'],$recurr_bill_arr[0]['recurr_week']);
$remain_time = $arr['end']-$arr['date'];
$period1 = round($remain_time/86400);
switch($recurr_bill_arr[0]['recurr_schedule']) {
case 0:
array_push($vals,array('p1',round($period1/7)));
array_push($vals,array('t1','W'));
break;
case 1:
case 2:
case 3:
array_push($vals,array('p1',round($period1/365*12)));
array_push($vals,array('t1','M'));
break;
case 4:
case 5:
array_push($vals,array('p1',round($period1/365)));
array_push($vals,array('t1','Y'));
break;
default:
$C_debug->error(__FILE__,__METHOD__,sprintf('Unknown recurr_schedule %s',$recurr_bill_arr[0]['recurr_schedule']));
return false;
}
# Bill on anniversary:
} else {
array_push($vals,array('p1',$p3));
array_push($vals,array('t1',$t3));
}
$this->post_vars(sprintf('%s/cgi-bin/webscr',$this->getLocation()),$vals);
return true;
}
# Postback Validation
public function postback() {
# Read the post from PayPal system and add 'cmd'
global $_POST,$C_debug;
$req = 'cmd=_notify-validate';
foreach ($_POST as $key => $value) {
$value = urlencode(stripslashes($value));
$req .= sprintf('&%s=%s',$key,$value);
}
$C_debug->error(__FILE__,__METHOD__,sprintf("%s: %s - Invoice: %s\r\n%s",$this->name,$_POST['txn_type'],$_POST['invoice'],$req));
# Post back to PayPal system to validate
$header = "POST /cgi-bin/webscr HTTP/1.0\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= sprintf("Content-Length: %s\r\n\r\n",strlen($req));
$fp = fsockopen($this->getLocation(false,true),80,$errno,$errstr,30);
# Needed for validation
$ret['invoice_id'] = $_POST['invoice'];
$ret['transaction_id'] = $_POST['txn_id'];
$ret['currency'] = $_POST['mc_currency'];
if (! empty($_POST['mc_gross']))
$ret['amount'] = $_POST['mc_gross'];
else
$ret['amount'] = $_POST['payment_gross'];
$ret['subscription_id'] = $_POST['subscr_id'];
# Validate
if (! $fp) {
$C_debug->error(__FILE__,__METHOD__,sprintf('Unable to connect to %s',$this->getLocation(false,true)));
} else {
fputs($fp,$header.$req);
while (! feof($fp)) {
$res = trim(strtoupper(fgets($fp,1024)));
# HTTP traffic
if (! $res
|| preg_match('/^HTTP/',$res)
|| preg_match('/^DATE/',$res)
|| preg_match('/^SERVER/',$res)
|| preg_match('/^SET-COOKIE/',$res)
|| preg_match('/^CONNECTION/',$res)
|| preg_match('/^CONTENT-TYPE/',$res))
continue;
switch ($res) {
case 'VERIFIED':
# Get the payment status
$ret['status'] = true;
switch($_POST['txn_type']) {
case 'subscr_cancel': $ret['status'] = false; break;
case 'subscr_failed': $ret['status'] = false; break;
case 'subscr_eot': $ret['status'] = false; break;
}
if ($ret['status'] != false) {
switch($_POST['payment_status']) {
case 'Canceled_Reversal': $ret['status'] = true; break;
case 'Completed': $ret['status'] = true; break;
default: $ret['status'] = false; break;
}
}
# Get the processor details
$this->getDetailsName($this->name);
$cfg = unserialize($this->flds['plugin_data']);
if ($_POST['receiver_email'] == $cfg['email']) {
include_once(PATH_MODULES.'checkout/checkout.inc.php');
$checkout = new checkout;
$checkout->postback($ret);
}
fclose($fp);
header('HTTP/1.1 200 OK');
header('Status: 200 OK');
return;
break;
default:
# Log for manual investigation
$C_debug->error(__FILE__,__METHOD__,sprintf('Postback for Invoice %s is %s, PayPal subscription id %s',$ret['invoice_id'],$res,$ret['subscription_id']));
fclose($fp);
header('HTTP/1.0 404 Not Found');
return false;
}
}
}
header('HTTP/1.0 500 Temporary Failure');
}
}
# Postback Function
if (empty($VAR) && empty($VAR['do'])) {
include_once('../../config.inc.php');
require_once(PATH_ADODB.'adodb.inc.php');
require_once(PATH_CORE.'database.inc.php');
require_once(PATH_CORE.'setup.inc.php');
$C_debug = new CORE_debugger;
$C_db = &DB();
$C_setup = new CORE_setup;
$plg = new plg_chout_PAYPAL_RECURRING;
$plg->postback();
}
?>