<?php
/* Copyright (C) 2010-2011  Laurent Destailleur     <eldy@users.sourceforge.org>
 * Copyright (C) 2011       Regis Houssin  		    <regis.houssin@inodbox.com>
 * Copyright (C) 2024		MDW						<mdeweerd@users.noreply.github.com>
 * Copyright (C) 2024       Frédéric France         <frederic.france@free.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

/**
 * \file       htdocs/paypal/lib/paypalfunctions.lib.php
 * \ingroup    paypal
 * \brief      Page with Paypal init var.
 */

if (session_id() == "") {
	session_start();
	if (ini_get('register_globals')) {    // To solve bug in using $_SESSION
		foreach ($_SESSION as $key => $value) {
			if (isset($GLOBALS[$key])) {
				unset($GLOBALS[$key]);
			}
		}
	}
}

// ==================================
// PayPal Express Checkout Module
// ==================================

$API_version = "56";

/*
 ' Define the PayPal Redirect URLs.
 '  This is the URL that the buyer is first sent to do authorize payment with their paypal account
 '  change the URL depending if you are testing on the sandbox or the live PayPal site
 '
 ' For the sandbox, the URL is       https://www.sandbox.paypal.com/webscr&cmd=_express-checkout&token=
 ' For the live site, the URL is        https://www.paypal.com/webscr&cmd=_express-checkout&token=
 */
if (getDolGlobalString('PAYPAL_API_SANDBOX')/* || GETPOST('forcesandbox', 'alpha') */) {		// We can force sand box with param 'forcesandbox'
	$API_Endpoint = "https://api-3t.sandbox.paypal.com/nvp";
	$API_Url = "https://www.sandbox.paypal.com/webscr?cmd=_express-checkout&token=";
} else {
	$API_Endpoint = "https://api-3t.paypal.com/nvp";
	$API_Url = "https://www.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=";
}

// Clean parameters
$PAYPAL_API_USER = getDolGlobalString('PAYPAL_API_USER');
$PAYPAL_API_PASSWORD = getDolGlobalString('PAYPAL_API_PASSWORD');
$PAYPAL_API_SIGNATURE = getDolGlobalString('PAYPAL_API_SIGNATURE');
$PAYPAL_API_SANDBOX = getDolGlobalString('PAYPAL_API_SANDBOX');

// Proxy
$PROXY_HOST = getDolGlobalString('MAIN_PROXY_HOST');
$PROXY_PORT = getDolGlobalString('MAIN_PROXY_PORT');
$PROXY_USER = getDolGlobalString('MAIN_PROXY_USER');
$PROXY_PASS = getDolGlobalString('MAIN_PROXY_PASS');
$USE_PROXY = getDolGlobalBool('MAIN_PROXY_USE');