Initial Commit of AgileBill Open Source
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308
plugins/checkout/PAYPAL_RECURRING.php
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308
plugins/checkout/PAYPAL_RECURRING.php
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<?php
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/**
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* AgileBill - Open Billing Software
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*
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* This body of work is free software; you can redistribute it and/or
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* modify it under the terms of the Open AgileBill License
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* License as published at http://www.agileco.com/agilebill/license1-4.txt
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*
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* For questions, help, comments, discussion, etc., please join the
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* Agileco community forums at http://forum.agileco.com/
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*
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* @link http://www.agileco.com/
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* @copyright 2004-2008 Agileco, LLC.
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* @license http://www.agileco.com/agilebill/license1-4.txt
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* @author Tony Landis <tony@agileco.com>
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* @package AgileBill
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* @version 1.4.93
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*/
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if(defined('PATH_MODULES')) include_once(PATH_MODULES.'checkout/base_checkout_plugin.class.php'); else include_once('../../modules/checkout/base_checkout_plugin.class.php');
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class plg_chout_PAYPAL_RECURRING extends base_checkout_plugin
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{
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# Get the config values for this checkout plugin:
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function plg_chout_PAYPAL_RECURRING($checkout_id=false) {
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$this->name = 'PAYPAL_RECURRING';
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$this->type = 'redirect'; // redirect, gateway, or other
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$this->recurr_only = true;
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$this->return_url = SSL_URL . 'plugins/checkout/'. $this->name .'.php';
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$this->success_url = URL . '?_page=invoice:thankyou&_next_page=invoice:user_view&id=';
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$this->decline_url = URL . '?_page=invoice:user_view&id=';
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$this->support_cur = Array ('AUD', 'USD', 'GBP', 'EUR', 'CAD', 'JPY');
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$this->getDetails($checkout_id);
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}
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# Validate the user submitted billing details at checkout:
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function validate($VAR) {
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return true;
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}
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# Perform the checkout transaction (new purchase):
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function bill_checkout( $amount, $invoice, $currency_iso, $acct_fields, $total_recurring=false, $recurr_bill_arr=false) {
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# Validate the currency:
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if(!$this->validate_currency($currency_iso)) return false;
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# Special JPY formatting:
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if($currency_iso == 'JPY') $amount = round($amount);
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# Get the regular period for this subscription:
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$sched = $recurr_bill_arr[0]["recurr_schedule"];
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if($sched == 0) {
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$p3 = '1';
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$t3 = 'W';
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} elseif ($sched == 1) {
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$p3 = '1';
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$t3 = 'M';
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} elseif ($sched == 2) {
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$p3 = '3';
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$t3 = 'M';
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} elseif ($sched == 3) {
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$p3 = '6';
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$t3 = 'M';
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} elseif ($sched == 4) {
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$p3 = '1';
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$t3 = 'Y';
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} elseif ($sched == 5) {
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$p3 = '2';
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$t3 = 'Y';
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}
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$url = "https://www.paypal.com/cgi-bin/webscr";
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# Get the next bill date for this subscription:
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if($recurr_bill_arr[0]["recurr_type"] == "1")
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{
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# Pro-rate billing:
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include_once ( PATH_MODULES . 'checkout/checkout.inc.php' );
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$checkout = new checkout;
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$arr = $checkout->recurrDates($recurr_bill_arr[0]["recurr_schedule"], $recurr_bill_arr[0]["recurr_weekday"], $recurr_bill_arr[0]["recurr_week"]);
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$remain_time = $arr['end'] - time();
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$period1 = round($remain_time/86400);
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$subscr_date = date("Y-m-d", $arr["end"]);
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$vals = Array (
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Array ('cmd', '_xclick-subscriptions'),
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Array ('bn', 'Agileco.AgileBill'),
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Array ('business', $this->cfg['email']),
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Array ('item_name', "Invoice No:". $invoice),
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Array ('return', $this->success_url.$invoice),
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Array ('cancel_return', $this->decline_url.$invoice),
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Array ('notify_url', $this->return_url),
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Array ('currency_code', $currency_iso),
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Array ('invoice', $invoice),
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Array ('first_name', $acct_fields['first_name']),
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Array ('last_name', $acct_fields['last_name']),
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Array ('payer_business_name', $acct_fields['company']),
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Array ('address_street', $acct_fields['address1']),
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Array ('address_city', $acct_fields['city']),
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Array ('address_state', $acct_fields['state']),
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Array ('address_zip', $acct_fields['zip']),
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Array ('address_country', $acct_fields['country_id']),
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Array ('payer_email', $acct_fields['email']),
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Array ('payer_id', $acct_fields['id']) ,
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Array ('txn_type', 'subscr_signup'),
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Array ('a1', $amount),
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Array ('p1', $period1),
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Array ('t1', 'D'),
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Array ('a3', $total_recurring),
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Array ('p3', $p3),
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Array ('t3', $t3),
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Array ('src', "1"),
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Array ('sra', "1")
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);
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}
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else
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{
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# Bill on anniversary:
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$vals = Array (
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Array ('cmd', '_xclick-subscriptions'),
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Array ('business', $this->cfg['email']),
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Array ('item_name', "Invoice No:". $invoice),
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Array ('return', $this->success_url.$invoice),
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Array ('cancel_return', $this->decline_url.$invoice),
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Array ('notify_url', $this->return_url),
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Array ('currency_code', $currency_iso),
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Array ('invoice', $invoice),
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Array ('first_name', $acct_fields['first_name']),
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Array ('last_name', $acct_fields['last_name']),
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Array ('payer_business_name', $acct_fields['company']),
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Array ('address_street', $acct_fields['address1']),
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Array ('address_city', $acct_fields['city']),
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Array ('address_state', $acct_fields['state']),
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Array ('address_zip', $acct_fields['zip']),
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Array ('address_country', $acct_fields['country_id']),
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Array ('payer_email', $acct_fields['email']),
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Array ('payer_id', $acct_fields['id']) ,
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Array ('txn_type', 'subscr_signup'),
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Array ('a1', $amount),
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Array ('p1', $p3),
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Array ('t1', $t3),
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Array ('a3', $total_recurring),
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Array ('p3', $p3),
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Array ('t3', $t3),
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Array ('src', "1"),
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Array ('sra', "1")
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);
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}
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$this->post_vars($url, $vals);
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return true;
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}
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# Stores new billing details, & return account_billing_id (gateway only)
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function store_billing($VAR) {
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return 0;
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}
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# Perform a transaction for an (new invoice):
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function bill_invoice($VAR) {
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return true;
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}
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# Issue a refund for a paid invoice (captured charges w/gateway)
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function refund($VAR) {
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return true;
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}
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# Void a authorized charge (gateways only)
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function void($VAR) {
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return true;
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}
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# Postback Validation
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function postback()
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{
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# read the post from PayPal system and add 'cmd'
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global $_POST, $C_debug;
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# Log paypal postback:
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foreach ($_POST as $key => $value) @$debug .= "\r\n$key=$value";
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$C_debug->error('PAYPAL_RECUR:'. $_POST['txn_type'], 'Invoice: '. $_POST['invoice'], "$debug" );
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# Assemble postback string
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$req = 'cmd=_notify-validate';
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foreach ($_POST as $key => $value) {
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$value = urlencode(stripslashes($value));
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$req .= "&$key=$value";
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}
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# post back to PayPal system to validate
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$header = "POST /cgi-bin/webscr HTTP/1.0\r\n";
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$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
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$header .= "Content-Length: " . strlen($req) . "\r\n\r\n";
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$domain = 'www.paypal.com';
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#$domain = 'www.sandbox.paypal.com';
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$fp = fsockopen ($domain, 80, $errno, $errstr, 30);
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# needed for validation
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$ret['invoice_id'] = $_POST['invoice'];
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$ret['transaction_id'] = $_POST['txn_id'];
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$ret['currency'] = $_POST['mc_currency'];
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$ret['subscription_id'] = $_POST['subscr_id'];
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if (!empty($_POST['mc_gross']))
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$ret['amount'] = $_POST['mc_gross'];
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else
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$ret['amount'] = $_POST['payment_gross'];
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# validate
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$do = true;
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$force = true; // force approved reply
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if (!$fp)
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{
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# HTTP ERROR:
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$C_debug->error('PAYPAL_RECURRING.php', 'postback()', "Unable to connect to domain $domain" );
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}
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else
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{
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fputs ($fp, $header . $req);
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while (!feof($fp))
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{
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$res = fgets ($fp, 1024);
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if (!$force && strcmp ($res, "INVALID") == 0)
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{
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# Log for manual investigation:
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$C_debug->error('PAYPAL_RECURRING.php', 'postback()', "Postback for Invoice {$ret['invoice_id']} is INVALID, PayPal subscription id {$ret['subscription_id']}");
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header("HTTP/1.0 404 Not Found");
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return false;
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}
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else if ($force || strcmp ($res, "VERIFIED") == 0)
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{
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# get the payment status
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$ret['status'] = true;
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switch($_POST['txn_type']) {
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case "subscr_cancel": $ret['status'] = false; break;
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case "subscr_failed": $ret['status'] = false; break;
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case "subscr_eot": $ret['status'] = false; break;
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}
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if($ret['status'] != false) {
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switch($_POST['payment_status']) {
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case "Canceled_Reversal": $ret['status'] = true; break;
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case "Completed": $ret['status'] = true; break;
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case "Denied": $ret['status'] = false; break;
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case "Failed": $ret['status'] = false; break;
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case "Pending": $ret['status'] = false; break;
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case "Refunded": $ret['status'] = false; break;
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case "Reversed": $ret['status'] = false; break;
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}
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}
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# get the processor details:
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$db = &DB();
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$q = "SELECT id,active,plugin_data FROM ".AGILE_DB_PREFIX."checkout WHERE
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site_id = ".$db->qstr(DEFAULT_SITE)." AND
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checkout_plugin = ".$db->qstr($this->name);
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$rs = $db->Execute($q);
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while(!$rs->EOF)
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{
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$ret['checkout_id'] = $rs->fields["id"];
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$this->cfg = unserialize($rs->fields["plugin_data"]);
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if($_POST['business'] == $this->cfg['email'])
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{
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include_once(PATH_MODULES.'checkout/checkout.inc.php');
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$checkout = new checkout;
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$checkout->postback($ret);
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header("HTTP/1.1 200 OK");
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header("Status: 200 OK");
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fclose ($fp);
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return;
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}
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$rs->MoveNext();
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}
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}
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}
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fclose ($fp);
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}
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header("HTTP/1.0 404 Not Found");
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}
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}
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# Postback Function
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if(empty($VAR) && empty($VAR['do'])) {
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include_once('../../config.inc.php');
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require_once(PATH_ADODB . 'adodb.inc.php');
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require_once(PATH_CORE . 'database.inc.php');
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require_once(PATH_CORE . 'setup.inc.php');
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$C_debug = new CORE_debugger;
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$C_db = &DB();
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$C_setup = new CORE_setup;
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$plg = new plg_chout_PAYPAL_RECURRING;
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$plg->postback();
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}
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?>
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