<?php
/* Copyright (C) 2006-2016 Laurent Destailleur  <eldy@users.sourceforge.net>
 *
 * 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/webservices/server_other.php
 *       \brief      File that is entry point to call Dolibarr WebServices
 */

if (!defined('NOCSRFCHECK')) {
	define('NOCSRFCHECK', '1'); // Do not check anti CSRF attack test
}
if (!defined('NOTOKENRENEWAL')) {
	define('NOTOKENRENEWAL', '1'); // Do not check anti POST attack test
}
if (!defined('NOREQUIREMENU')) {
	define('NOREQUIREMENU', '1'); // If there is no need to load and show top and left menu
}
if (!defined('NOREQUIREHTML')) {
	define('NOREQUIREHTML', '1'); // If we don't need to load the html.form.class.php
}
if (!defined('NOREQUIREAJAX')) {
	define('NOREQUIREAJAX', '1'); // Do not load ajax.lib.php library
}
if (!defined("NOLOGIN")) {
	define("NOLOGIN", '1'); // If this page is public (can be called outside logged session)
}
if (!defined("NOSESSION")) {
	define("NOSESSION", '1');
}

require '../main.inc.php';
require_once NUSOAP_PATH.'/nusoap.php'; // Include SOAP
require_once DOL_DOCUMENT_ROOT.'/core/lib/ws.lib.php';
require_once DOL_DOCUMENT_ROOT.'/user/class/user.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';


dol_syslog("Call Dolibarr webservices interfaces");

$langs->load("main");

// Enable and test if module web services is enabled
if (!getDolGlobalString('MAIN_MODULE_WEBSERVICES')) {
	$langs->load("admin");
	dol_syslog("Call Dolibarr webservices interfaces with module webservices disabled");
	print $langs->trans("WarningModuleNotActive", 'WebServices').'.<br><br>';
	print $langs->trans("ToActivateModule");
	exit;
}

// Create the soap Object
$server = new nusoap_server();
$server->soap_defencoding = 'UTF-8';
$server->decode_utf8 = false;
$ns = 'http://www.dolibarr.org/ns/';
$server->configureWSDL('WebServicesDolibarrOther', $ns);
$server->wsdl->schemaTargetNamespace = $ns;


// Define WSDL Authentication object
$server->wsdl->addComplexType(
	'authentication',
	'complexType',
	'struct',
	'all',
	'',
	array(
		'dolibarrkey' => array('name'=>'dolibarrkey', 'type'=>'xsd:string'),
		'sourceapplication' => array('name'=>'sourceapplication', 'type'=>'xsd:string'),
		'login' => array('name'=>'login', 'type'=>'xsd:string'),
		'password' => array('name'=>'password', 'type'=>'xsd:string'),
		'entity' => array('name'=>'entity', 'type'=>'xsd:string'),
	)
);
// Define WSDL Return object
$server->wsdl->addComplexType(
	'result',
	'complexType',
	'struct',
	'all',
	'',
	array(
		'result_code' => array('name'=>'result_code', 'type'=>'xsd:string'),
		'result_label' => array('name'=>'result_label', 'type'=>'xsd:string'),
	)
);

// Define WSDL Return object for document
$server->wsdl->addComplexType(
	'document',
	'complexType',
	'struct',
	'all',
	'',
	array(
		'filename' => array('name'=>'filename', 'type'=>'xsd:string'),
		'mimetype' => array('name'=>'mimetype', 'type'=>'xsd:string'),
		'content' => array('name'=>'content', 'type'=>'xsd:string'),
		'length' => array('name'=>'length', 'type'=>'xsd:string')
	)
);

// Define other specific objects
// None


// 5 styles: RPC/encoded, RPC/literal, Document/encoded (not WS-I compliant), Document/literal, Document/literal wrapped
// Style merely dictates how to translate a WSDL binding to a SOAP message. Nothing more. You can use either style with any programming model.
// http://www.ibm.com/developerworks/webservices/library/ws-whichwsdl/
$styledoc = 'rpc'; // rpc/document (document is an extend into SOAP 1.0 to support unstructured messages)
$styleuse = 'encoded'; // encoded/literal/literal wrapped
// Better choice is document/literal wrapped but literal wrapped not supported by nusoap.

// Register WSDL
$server->register(
	'getVersions',
	// Entry values
	array('authentication'=>'tns:authentication'),
	// Exit values
	array('result'=>'tns:result', 'dolibarr'=>'xsd:string', 'os'=>'xsd:string', 'php'=>'xsd:string', 'webserver'=>'xsd:string'),
	$ns,
	$ns.'#getVersions',
	$styledoc,
	$styleuse,
	'WS to get Versions'
);

// Register WSDL
$server->register(
	'getDocument',
	// Entry values
	array('authentication'=>'tns:authentication', 'modulepart'=>'xsd:string', 'file'=>'xsd:string'),
	// Exit values
	array('result'=>'tns:result', 'document'=>'tns:document'),
	$ns,
	$ns.'#getDocument',
	$styledoc,
	$styleuse,
	'WS to get document'
);



/**
 * Full methods code
 *
 * @param	string		$authentication		Authentication string
 * @return	array							Array of data
 */
function getVersions($authentication)
{
	global $conf;

	dol_syslog("Function: getVersions login=".$authentication['login']);

	if ($authentication['entity']) {
		$conf->entity = $authentication['entity'];
	}

	// Init and check authentication
	$objectresp = array();
	$errorcode = '';
	$errorlabel = '';
	$error = 0;
	$fuser = check_authentication($authentication, $error, $errorcode, $errorlabel);
	// Check parameters


	if (!$error) {
		$objectresp['result'] = array('result_code'=>'OK', 'result_label'=>'');
		$objectresp['dolibarr'] = version_dolibarr();
		$objectresp['os'] = version_os();
		$objectresp['php'] = version_php();
		$objectresp['webserver'] = version_webserver();
	}

	if ($error) {
		$objectresp = array('result'=>array('result_code' => $errorcode, 'result_label' => $errorlabel));
	}

	return $objectresp;
}


/**
 * Method to get a document by webservice
 *
 * @param 	array	$authentication		Array with permissions
 * @param 	string	$modulepart		 	Properties of document
 * @param	string	$file				Relative path
 * @param	string	$refname			Ref of object to check permission for external users (autodetect if not provided)
 * @return	array
 */
function getDocument($authentication, $modulepart, $file, $refname = '')
{
	global $db, $conf;

	dol_syslog("Function: getDocument login=".$authentication['login'].' - modulepart='.$modulepart.' - file='.$file);

	if ($authentication['entity']) {
		$conf->entity = $authentication['entity'];
	}

	$objectresp = array();
	$errorcode = '';
	$errorlabel = '';
	$error = 0;

	// Properties of doc
	$original_file = $file;
	$type = dol_mimetype($original_file);
	//$relativefilepath = $ref . "/";
	//$relativepath = $relativefilepath . $ref.'.pdf';

	$accessallowed = 0;

	$fuser = check_authentication($authentication, $error, $errorcode, $errorlabel);

	if ($fuser->socid) {
		$socid = $fuser->socid;
	}

	// Check parameters
	if (!$error && (!$file || !$modulepart)) {
		$error++;
		$errorcode = 'BAD_PARAMETERS';
		$errorlabel = "Parameter file and modulepart must be both provided.";
	}

	if (!$error) {
		$fuser->getrights();

		// Suppression de la chaine de character ../ dans $original_file
		$original_file = str_replace("../", "/", $original_file);

		// find the subdirectory name as the reference
		if (empty($refname)) {
			$refname = basename(dirname($original_file)."/");
		}

		// Security check
		$check_access = dol_check_secure_access_document($modulepart, $original_file, $conf->entity, $fuser, $refname);
		$accessallowed              = $check_access['accessallowed'];
		$sqlprotectagainstexternals = $check_access['sqlprotectagainstexternals'];
		$original_file              = $check_access['original_file'];

		// Basic protection (against external users only)
		if ($fuser->socid > 0) {
			if ($sqlprotectagainstexternals) {
				$resql = $db->query($sqlprotectagainstexternals);
				if ($resql) {
					$num = $db->num_rows($resql);
					$i = 0;
					while ($i < $num) {
						$obj = $db->fetch_object($resql);
						if ($fuser->socid != $obj->fk_soc) {
							$accessallowed = 0;
							break;
						}
						$i++;
					}
				}
			}
		}

		// Security:
		// Limit access si droits non corrects
		if (!$accessallowed) {
			$errorcode = 'NOT_PERMITTED';
			$errorlabel = 'Access not allowed';
			$error++;
		}

		// Security:
		// On interdit les remontees de repertoire ainsi que les pipe dans
		// les noms de fichiers.
		if (preg_match('/\.\./', $original_file) || preg_match('/[<>|]/', $original_file)) {
			dol_syslog("Refused to deliver file ".$original_file);
			$errorcode = 'REFUSED';
			$errorlabel = '';
			$error++;
		}

		clearstatcache();

		if (!$error) {
			if (file_exists($original_file)) {
				dol_syslog("Function: getDocument $original_file  content-type=$type");

				$f = fopen($original_file, 'r');
				$content_file = fread($f, filesize($original_file));

				$objectret = array(
					'filename' => basename($original_file),
					'mimetype' => dol_mimetype($original_file),
					'content' => base64_encode($content_file),
					'length' => filesize($original_file)
				);

				// Create return object
				$objectresp = array(
					'result'=>array('result_code'=>'OK', 'result_label'=>''),
					'document'=>$objectret
				);
			} else {
				dol_syslog("File doesn't exist ".$original_file);
				$errorcode = 'NOT_FOUND';
				$errorlabel = '';
				$error++;
			}
		}
	}

	if ($error) {
		$objectresp = array(
		'result'=>array('result_code' => $errorcode, 'result_label' => $errorlabel)
		);
	}

	return $objectresp;
}

// Return the results.
$server->service(file_get_contents("php://input"));
