offline.php

<?php

if (!defined('ENV_READ_CONFIG')) require_once(realpath(dirname(__FILE__).'/../include/config.php'));
if (!defined('ENV_READ_DEFINE')) require_once(realpath(ENV_HELPER_PATH.'/../include/env_define.php'));
require_once(realpath(ENV_HELPER_PATH.'/../include/opensim.mysql.php'));


if (!isset($HTTP_RAW_POST_DATA)) $HTTP_RAW_POST_DATA = file_get_contents('php://input');
//$request_xml = $HTTP_RAW_POST_DATA;
//error_log('offline.php: '.$request_xml);

//
if (!opensim_is_access_from_region_server()) {
	$remote_addr = $_SERVER['REMOTE_ADDR'];
	error_log('offline.php: Illegal access from '.$remote_addr);
	exit;
}


$DbLink = new DB($MESSAGE_DB_HOST, $MESSAGE_DB_NAME, $MESSAGE_DB_USER, $MESSAGE_DB_PASS, $MESSAGE_DB_MYSQLI);

$method = $_SERVER['PATH_INFO'];


if ($method=='/SaveMessage/') {
	$msg = $HTTP_RAW_POST_DATA;
	$start = strpos($msg, "?>");

	if ($start!=-1) {
		$start+=2;
		$msg   = substr($msg, $start);
		$parts = preg_split("/[<>]/", $msg);
		$from_agent = $parts[4];
		$to_agent   = $parts[12];

		if (isGUID($from_agent) and isGUID($to_agent)) {

			$esc_msg = $DbLink->escape($msg);
			$query_str = "INSERT INTO ".OFFLINE_MESSAGE_TBL." (to_uuid,from_uuid,message) VALUES ('".$to_agent."','".$from_agent."','".$esc_msg."')";
			$DbLink->query($query_str);

			if ($DbLink->Errno==0) {
				echo '<?xml version="1.0" encoding="utf-8"?><boolean>true</boolean>';
				exit;
			}
		}
	}

	echo '<?xml version="1.0" encoding="utf-8"?><boolean>false</boolean>';
	exit;
}

if ($method == '/RetrieveMessages/') {
	$parms = $HTTP_RAW_POST_DATA;
	$parts = preg_split("/[<>]/", $parms);
	$agent_id = $parts[6];
	$errno = -1;

	if (isGUID($agent_id)) {
		$DbLink->query("SELECT message FROM ".OFFLINE_MESSAGE_TBL." WHERE to_uuid='".$agent_id."'");
		$errno = $DbLink->Errno;
	}

	echo '<?xml version="1.0" encoding="utf-8"?>';
	echo '<ArrayOfGridInstantMessage xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">';

	if ($errno==0) {
		while(list($message) = $DbLink->next_record()) {
			echo $message;
		}
	}
	echo '</ArrayOfGridInstantMessage>';
	   
	if ($errno==0) {
		$DbLink->query("DELETE FROM ".OFFLINE_MESSAGE_TBL." WHERE to_uuid='".$agent_id."'");
	}
	exit;
}