<?php
/**
*
* @ This file is created by http://DeZender.Net
* @ deZender (PHP7 Decoder for ionCube Encoder)
*
* @ Version			:	4.1.0.1
* @ Author			:	DeZender
* @ Release on		:	29.08.2020
* @ Official site	:	http://DeZender.Net
*
*/

error_reporting(32757);
include_once 'async.php';
include_once 'function.php';
include_once 'datastore.php';
include_once 'provision.php';
include_once 'wbxml.php';
define('catASync', 12);
init_global_account();
global $_ACCOUNT;
init_global_api();
global $_API;
$_GET['LogLevel'] = $_API->GetProperty('C_System_Log_Services_ActiveSync');

if (!$_API->GetProperty('C_ActiveSync_Active')) {
	do_log('!!! Forbidden !!! (EAS is disabled)', 2, true);
	header('HTTP/1.1 403 Forbidden');
	exit();
}

if (!isset($_SERVER['PHP_AUTH_USER'])) {
	do_log('!!! Unauthorized !!! (User identification cannot found)', 2, true);
	header('HTTP/1.1 401 Unauthorized');
	header('WWW-Authenticate: Basic realm="ASync"');
	exit();
}

icewarp_getlock('EAS_PHP', 1);

if (icewarp_getlock('EAS_MIGRATION', 0)) {
	icewarp_releaselock('EAS_MIGRATION');
	icewarp_releaselock('EAS_PHP');
}
else {
	icewarp_releaselock('EAS_PHP');
	do_log('!!! Service unavailable !!! (DB migration)', 2, true);
	header('HTTP/1.1 503 Service Unavailable');
	exit();
}

$username = $_SERVER['PHP_AUTH_USER'];
$pos = strpos($username, chr(92));

if ($pos !== false) {
	$username = substr($username, $pos + 1);
	if (!strpos($username, '@') && $pos) {
		$username .= '@' . substr($_SERVER['PHP_AUTH_USER'], 0, $pos);
	}
}

$_GET['PolicyKey'] = $_SERVER['HTTP_X_MS_POLICYKEY'];
if (strlen($_SERVER['QUERY_STRING']) && !strlen($_GET['DeviceId']) && !strlen($_GET['DeviceType'])) {
	$commands = ['Sync', 'SendMail', 'SmartForward', 'SmartReply', 'GetAttachment', 'GetHierarchy', 'CreateCollection', 'DeleteCollection', 'MoveCollection', 'FolderSync', 'FolderCreate', 'FolderDelete', 'FolderUpdate', 'MoveItems', 'GetItemEstimate', 'MeetingResponse', 'Search', 'Settings', 'Ping', 'ItemOperations', 'Provision', 'ResolveRecipients', 'ValidateCert'];
	$parameters = ['AttachmentName', 'CollectionId', 'CollectionName', 'ItemId', 'LongId', 'ParentId', 'Occurence', 'Options', 'RoundTripId'];
	$query = base64_decode($_SERVER['QUERY_STRING']);
	$_SERVER['HTTP_MS_ASPROTOCOLVERSION'] = ord($query[0]) / 10;
	$_GET['Cmd'] = $commands[ord($query[1])];
	$len = ord($query[4]);
	$_GET['DeviceId'] = bin2hex(substr($query, 5, $len));
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