<?php
//Paramètres
$letterbox_root_dir = "";
$debug = false;
$debug_file = "webdav/letterbox/webdav.log";

//Chargement session virtuelle
$config_xml = DOMDocument::load($letterbox_root_dir."xml/config.xml");
$tablename = DOMDocument::load($letterbox_root_dir."xml/tablename.xml");

$xp_config_xml = new domxpath($config_xml);
foreach($xp_config_xml->query("/ROOT/CONFIG/*") as $cf)
{
	$_SESSION['config'][$cf->nodeName] = $cf->nodeValue;
}

$xp_tablename = new domxpath($tablename);
foreach($xp_tablename->query("/ROOT/TABLENAME/*") as $tbl)
{
	$_SESSION['tablename'][$tbl->nodeName] = $tbl->nodeValue;
}

if(file_exists($_SESSION['config']['lang'].'.php'))
{
	include($_SESSION['config']['lang'].'.php');
}
else
{
	$_SESSION['error'] = "Language file missing...<br/>";
}

/////////////////////////////////////////////////////////////////////
require("class_functions.php");
require_once("class_db.php");
require_once("class_webdav_tools.php");
/////////////////////////////////////////////////////////////////////

//Create XML
function createXML($root_name,$parameters)
{
	global $debug, $debug_file;

	$r_xml = new DomDocument("1.0","UTF-8");
	$r_root_node = $r_xml->createElement($root_name);
	$r_xml->appendChild($r_root_node);
	
	if( is_array($parameters) )
	{
		foreach( $parameters as $k_par => $d_par )
		{
			$node = $r_xml->createElement($k_par,$d_par);
			$r_root_node->appendChild($node);
		}
	}
	else
	{
		$r_root_node->nodeValue = $parameters;
	}
	
	if( $debug ) $r_xml->save($debug_file);
	
	header("content-type: application/xml");
	echo $r_xml->saveXML();
	exit;
}


////////////////////////////  DEBUG  //////////////////////////////

/*
file_put_contents(dirname( __FILE__ ) . '/webdav/letterbox/Applet/log.txt',
				date("Y-m-d H:i:s")."\n:".var_export($_GET,true)."\n-----------------------------------------------------------------------------\n",FILE_APPEND);
*/			
///////////////////////////////////////////////////////////////////

//Vérification globale des paramètres
if
(
	!(
		(
			isset($_GET['action']) &&  $_GET['action'] == "open" &&
			isset($_GET['user_id']) && !empty($_GET['user_id']) &&
			isset($_GET['password']) && !empty($_GET['password']) &&
			isset($_GET['res_table']) && !empty($_GET['res_table']) &&
			isset($_GET['res_id']) && is_numeric($_GET['res_id'])
		)
		OR
		(
			isset($_GET['action']) &&  $_GET['action'] == "close" &&
			isset($_GET['webdav_id']) && !empty($_GET['webdav_id']) &&
			isset($_GET['user_id']) && !empty($_GET['user_id']) &&
			isset($_GET['password']) && !empty($_GET['password'])
		)
		OR
		(
			isset($_GET['action']) &&  $_GET['action'] == "save" &&
			isset($_GET['webdav_id']) && !empty($_GET['webdav_id'])
		)
		OR
		(
			isset($_GET['action']) &&  $_GET['action'] == "time" &&
			isset($_GET['webdav_id']) && !empty($_GET['webdav_id'])
		)
	)
	
)

createXML("ERROR",_ERROR_CALL_WS);

//////////////////////////////////////////////////////////////////

//Connection Base de données
$db = new dbquery();
$db->connect();

//////////////////////////////////////////////////////////////////

//Sécurité Login + Mot de passe
$db->query("SELECT COUNT(*) AS LOGIN_OK
			FROM ".$_SESSION['tablename']['users']."
			WHERE USER_ID = '".$_GET['user_id']."'
			AND PASSWORD = '".$_GET['password']."'
			AND ENABLED = 'Y' ");
	
//////////////////////////////////////////////////////////////////
	
if( $_GET['action'] != "time" && $_GET['action'] != "save" && $res = $db->fetch_object() )
{
	if( $res->LOGIN_OK != 1 )
		createXML("ERROR",_ERROR_LOGIN_WS);
}

//Edition d'un nouveau document
if( $_GET['action'] == "open" )
{
	$wd = new webdav_tools();
	$wd->deleteExpiredWebdav();
	
	//Vérifier si le courrier n'est pas reservé
	$wd = new webdav_tools();
	$reserved_by = $wd->is_reserved_by($_GET['res_table'],$_GET['res_id']);
	
	if( $reserved_by !== false && $reserved_by != $_GET['user_id'] )
	{
		$db->query("SELECT LASTNAME, FIRSTNAME
					FROM ".$_SESSION['tablename']['users']."
					WHERE USER_ID = '".$reserved_by."'
					AND ENABLED = 'Y'");
					
		if( $res = $db->fetch_object() )
		{
			createXML("ERROR",_RESPONSE_ALREADY_RESERVED." "._BY." : ".$res->FIRSTNAME.",".$res->LASTNAME);
		}
		else
		{
			createXML("ERROR",_RESPONSE_ALREADY_RESERVED);
		}
	}
		
	$result = $wd->mountWebdav($_GET['user_id'],$_GET['res_table'],$_GET['res_id']);
	
	if( is_array($result) && count($result) > 0 )
	{
		$result["APP_NAME"] = _LAUNCH_APPLICATION." : ".$result["APP_NAME"];
	
		//RESERVED THE RESPONSE
		$wd->addExpiryDate($_GET['res_table'],$_GET['res_id'],$result["ID"],$_GET['user_id']);
		createXML("SUCCESS",$result);
	}
	else 
	{
		createXML("ERROR",constant($result));
	}
}

//Fin edition d'un nouveau document
if ( $_GET['action'] == "save" )
{
	$wd = new webdav_tools();
	$result = $wd->save($_GET['webdav_id']);
	
	if( $result === true )
	{	
		createXML("SUCCESS","");
	}
	else
	{
		createXML("ERROR",constant($result));
	}
}

//Fin edition d'un nouveau document
if ( $_GET['action'] == "close" )
{
	$wd = new webdav_tools();
	$wd->deleteExpiredWebdav();
	$wd->closeWebdav($_GET['webdav_id']);
	
	createXML("SUCCESS","");
}

//Temps en seconde avant expiration du delai de reservation
if ( $_GET['action'] == "time" )
{
	$wd = new webdav_tools();
	$result["TIME"] = $wd->time_before_expiration($_GET['webdav_id']);
	
	createXML("SUCCESS",$result);
}

?>