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<?php
/**
* @version $Id: standalone.php 242 2015-08-19 06:29:26Z soeren $
* @package eXtplorer
* @copyright Copyright (C) 2012-2016 Soeren Eberhardt-Biermann. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// no direct access
defined( '_VALID_MOS' ) or die( 'Restricted access' );
define( 'EXT_STANDALONE', 1 );
if( defined( 'E_STRICT' ) ) { // Suppress Strict Standards Warnings
error_reporting(E_ALL);
}
if (version_compare( phpversion(), '5.0' ) < 0) {
require_once( dirname( __FILE__ ) . '/compat.php50x.php' );
}
require_once( dirname( __FILE__ ) .'/../include/users.php' );
// platform neurtral url handling
if ( isset( $_SERVER['REQUEST_URI'] ) ) {
$request_uri = $_SERVER['REQUEST_URI'];
} else {
$request_uri = $_SERVER['SCRIPT_NAME'];
// Append the query string if it exists and isn't null
if ( isset( $_SERVER['QUERY_STRING'] ) && !empty( $_SERVER['QUERY_STRING'] ) ) {
$request_uri .= '?' . $_SERVER['QUERY_STRING'];
}
$_SERVER['REQUEST_URI'] = $request_uri;
}
if( empty( $_SERVER['PHP_SELF'])) {
$_SERVER['PHP_SELF'] = $_SERVER['SCRIPT_NAME'];
}
// current server time
$now = @date( 'Y-m-d H:i', time() );
DEFINE( '_CURRENT_SERVER_TIME', $now );
DEFINE( '_CURRENT_SERVER_TIME_FORMAT', '%Y-%m-%d %H:%M:%S' );
/**
* Joomla! Mainframe class
*
* Provide many supporting API functions
* @package Joomla
*/
class extMainFrame {
/** @var array An array of page meta information */
var $_head = null;
var $_userstate = null;
/**
* Class constructor
* @param database A database connection object
* @param string The url option
* @param string The path of the ext directory
*/
function __construct() {
session_name( 'eXtplorer' );
if( !@is_writable(ini_get('session.save_path')) && ini_get('session.save_handler') == 'files') {
ini_set('session.save_path', realpath( dirname( __FILE__ ).'/../ftp_tmp') );
}
session_start();
if( !isset( $_SESSION['_userstate'])) {
$_SESSION['_userstate'] = array();
$this->_userstate = $_SESSION['_userstate'];
} else {
$this->_userstate = $_SESSION['_userstate'];
}
$this->_head = array();
$this->_head['title'] = 'eXtplorer';
$this->_head['meta'] = array();
$this->_head['custom'] = array();
$now = @date( 'Y-m-d H:i:s', time() );
$this->set( 'now', $now );
}
/**
* @param string
*/
function setPageTitle( $title=null, $append=false ) {
$title = trim( htmlspecialchars( $title ) );
$title = stripslashes($title);
if( $append ) {
$this->_head['title'] .= ' - ' . $title;
} else {
$this->_head['title'] = $title.' - ' . $this->_head['title'];
}
}
/**
* @param string The value of the name attibute
* @param string The value of the content attibute
* @param string Text to display before the tag
* @param string Text to display after the tag
*/
function addMetaTag( $name, $content, $prepend='', $append='' ) {
$name = trim( htmlspecialchars( $name ) );
$content = trim( htmlspecialchars( $content ) );
$prepend = trim( $prepend );
$append = trim( $append );
$this->_head['meta'][] = array( $name, $content, $prepend, $append );
}
/**
* @param string The value of the name attibute
* @param string The value of the content attibute to append to the existing
* Tags ordered in with Site Keywords and Description first
*/
function appendMetaTag( $name, $content ) {
$name = trim( htmlspecialchars( $name ) );
$n = count( $this->_head['meta'] );
for ($i = 0; $i < $n; $i++) {
if ($this->_head['meta'][$i][0] == $name) {
$content = trim( htmlspecialchars( $content ) );
if ( $content ) {
if ( !$this->_head['meta'][$i][1] ) {
$this->_head['meta'][$i][1] = $content ;
} else {
$this->_head['meta'][$i][1] = $content .', '. $this->_head['meta'][$i][1];
}
}
return;
}
}
$this->addMetaTag( $name , $content );
}
/**
* @param string The value of the name attibute
* @param string The value of the content attibute to append to the existing
*/
function prependMetaTag( $name, $content ) {
$name = trim( htmlspecialchars( $name ) );
$n = count( $this->_head['meta'] );
for ($i = 0; $i < $n; $i++) {
if ($this->_head['meta'][$i][0] == $name) {
$content = trim( htmlspecialchars( $content ) );
$this->_head['meta'][$i][1] = $content . $this->_head['meta'][$i][1];
return;
}
}
$this->addMetaTag( $name, $content );
}
/**
* Adds a custom html string to the head block
* @param string The html to add to the head
*/
function addCustomHeadTag( $html ) {
$this->_head['custom'][] = trim( $html );
}
/**
* @return string
*/
function getHead() {
$head = array();
$head[] = '<title>' . $this->_head['title'] . '</title>';
foreach ($this->_head['meta'] as $meta) {
if ($meta[2]) {
$head[] = $meta[2];
}
$head[] = '<meta name="' . $meta[0] . '" content="' . $meta[1] . '" />';
if ($meta[3]) {
$head[] = $meta[3];
}
}
foreach ($this->_head['custom'] as $html) {
$head[] = $html;
}
return implode( "\n", $head ) . "\n";
}
/**
* @return string
*/
function getPageTitle() {
return $this->_head['title'];
}
/**
* @return string
*/
function getCustomPathWay() {
return $this->_custom_pathway;
}
function appendPathWay( $html ) {
$this->_custom_pathway[] = $html;
}
function getUserName() {
return @$_SESSION['credentials_'.$GLOBALS['file_mode']]['username'];
}
function getPassword() {
return @$_SESSION['credentials_'.$GLOBALS['file_mode']]['password'];
}
/**
* Gets the value of a user state variable
* @param string The name of the variable
*/
function getUserState( $var_name ) {
if (is_array( $this->_userstate )) {
return extGetParam( $this->_userstate, $var_name, null );
} else {
return null;
}
}
/**
* Gets the value of a user state variable
* @param string The name of the user state variable
* @param string The name of the variable passed in a request
* @param string The default value for the variable if not found
*/
function getUserStateFromRequest( $var_name, $req_name, $var_default=null ) {
if (is_array( $this->_userstate )) {
if (isset( $_REQUEST[$req_name] )) {
$this->setUserState( $var_name, $_REQUEST[$req_name] );
} else if (!isset( $this->_userstate[$var_name] )) {
$this->setUserState( $var_name, $var_default );
}
// filter input
$iFilter = new InputFilter();
$temp = $iFilter->sanitize( array($this->_userstate[$var_name]) );
$this->_userstate[$var_name] = $temp[0];
return $this->_userstate[$var_name];
} else {
return null;
}
}
/**
* Sets the value of a user state variable
* @param string The name of the variable
* @param string The value of the variable
*/
function setUserState( $var_name, $var_value ) {
if (is_array( $this->_userstate )) {
$this->_userstate[$var_name] = $var_value;
$_SESSION['_userstate'] = $this->_userstate;
}
}
/**
* @param string The name of the property
* @param mixed The value of the property to set
*/
function set( $property, $value=null ) {
$this->$property = $value;
}
/**
* @param string The name of the property
* @param mixed The default value
* @return mixed The value of the property
*/
function get($property, $default=null) {
if(isset($this->$property)) {
return $this->$property;
} else {
return $default;
}
}
}
/**
* Initialise GZIP
*/
function extInitGzip() {
global $do_gzip_compress;
if( $GLOBALS['use_gzip'] ) {
$do_gzip_compress = FALSE;
$phpver = phpversion();
$useragent = extGetParam( $_SERVER, 'HTTP_USER_AGENT', '' );
$canZip = extGetParam( $_SERVER, 'HTTP_ACCEPT_ENCODING', '' );
$gzip_check = 0;
$zlib_check = 0;
$gz_check = 0;
$zlibO_check = 0;
$sid_check = 0;
if ( strpos( $canZip, 'gzip' ) !== false) {
$gzip_check = 1;
}
if ( extension_loaded( 'zlib' ) ) {
$zlib_check = 1;
}
if ( function_exists('ob_gzhandler') ) {
$gz_check = 1;
}
if ( ini_get('zlib.output_compression') ) {
$zlibO_check = 1;
}
if ( ini_get('session.use_trans_sid') ) {
$sid_check = 1;
}
if ( $phpver >= '4.0.4pl1' && ( strpos($useragent,'compatible') !== false || strpos($useragent,'Gecko') !== false ) ) {
// Check for gzip header or northon internet securities or session.use_trans_sid
if ( ( $gzip_check || isset( $_SERVER['---------------']) ) && $zlib_check && $gz_check && !$zlibO_check && !$sid_check ) {
// You cannot specify additional output handlers if
// zlib.output_compression is activated here
ob_start( 'ob_gzhandler' );
return;
}
} else if ( $phpver > '4.0' ) {
if ( $gzip_check ) {
if ( $zlib_check ) {
$do_gzip_compress = TRUE;
ob_start();
ob_implicit_flush(0);
header( 'Content-Encoding: gzip' );
return;
}
}
}
}
ob_start();
}
/**
* Replaces & with & for xhtml compliance
*
* Needed to handle unicode conflicts due to unicode conflicts
*/
function ampReplace( $text ) {
$text = str_replace( '&&', '*--*', $text );
$text = str_replace( '&#', '*-*', $text );
$text = str_replace( '&', '&', $text );
$text = preg_replace( '|&(?![\w]+;)|', '&', $text );
$text = str_replace( '*-*', '&#', $text );
$text = str_replace( '*--*', '&&', $text );
return $text;
}
$mainframe = new extMainFrame();
$mypath = realpath( dirname(__FILE__).'/..');
$archive_name = $mypath.'/scripts.tar.gz';
if( file_exists( $archive_name ) && !file_exists( $mypath .'/scripts/functions.js.php')) {
require_once($mypath . "/include/functions.php");
require_once($mypath . "/libraries/Archive/archive.php");
ext_RaiseMemoryLimit( '16M' );
error_reporting( E_ALL ^ E_NOTICE );
$extract_dir = $mypath.'/';
$result = extArchive::extract( $archive_name, $extract_dir );
if( !PEAR::isError( $result )) {
unlink( $archive_name );
} else {
die( '<html><head><title>eXtplorer - Error!</title></head>
<body><h2>Installation needs to be completed!</h2>
<p>To complete the eXtplorer Installation you need to extract the contents of the file <strong>scripts.zip</strong>
(you can find this file in the extplorer package) and upload it to the subdirectory <strong>/scripts</strong> of your eXtplorer installation.
<br/>
Please just upload the contents of the extracted folder "/scripts" into the subdirectory <strong>/scripts</strong> and do not create a subdirectory like "/scripts/scripts/".
</p>
</body></html>');
}
}