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webinstall.php
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<?php
define("INI_SYSTEM_CHECK_DISABLED", ini_get('disable_functions'));
if(!strstr(INI_SYSTEM_CHECK_DISABLED,'ini_set')){
ini_set("memory_limit", "160M");
ini_set("set_time_limit",0);
}
if(!strstr(INI_SYSTEM_CHECK_DISABLED,'date_default_timezone_set')){
date_default_timezone_set('America/Los_Angeles');
}
/*
* @return string
* @param string $url
* @desc Return string content from a remote file
* @author Luiz Miguel Axcar ([email protected])
*/
function get_content_url($url)
{
$ch = curl_init();
curl_setopt ($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_HEADER, 0);
ob_start();
curl_exec ($ch);
curl_close ($ch);
$string = ob_get_contents();
ob_end_clean();
return $string;
}
function getfile($requestUrl, $save_to_file = false) {
if(function_exists('curl_init')){
$result = get_content_url($requestUrl);
} else {
$opts = array('http' => array('method' => 'POST', 'header' => "User-Agent: Microweber/Web Install" . "\r\n" . 'Content-type: application/x-www-form-urlencoded' . "\r\n"));
$requestUrl = str_replace(' ', '%20', $requestUrl);
$context = stream_context_create($opts);
$result = file_get_contents($requestUrl, false, $context);
}
if ($save_to_file == true) {
// d($result);
file_put_contents($save_to_file, $result);
} else {
return $result;
}
//..file_put_contents($dir . substr($url, strrpos($url, '/'), strlen($url)), file_get_contents($url));
}
$y = site_url();
$y = str_replace(basename(__FILE__), '', $y);
$y = str_replace('?/', '', $y);
//$y = str_replace('//', '/', $y);
$do = false;
$done = false;
if (isset($_REQUEST['action'])) {
$do = $_REQUEST['action'];
}
$dir = dirname(__FILE__);
switch ($do) {
case 'download' :
case 'download_and_unzip' :
$latest_url = "http://api.microweber.net/service/update/?api_function=latest";
$latest_url = getfile($latest_url);
if ($latest_url != false) {
$latest_url = json_decode($latest_url, 1);
}
if ($latest_url != false and isset($latest_url['core_update'])) {
$url = $latest_url['core_update'];
$fn = ($dir . DIRECTORY_SEPARATOR . 'mw-latest.zip');
getfile($url, $fn);
}
if($do == 'download_and_unzip'){
header('Location: '.$y.basename(__FILE__).'?action=unzip');
exit();
}
break;
case 'unzip' :
if(!strstr(INI_SYSTEM_CHECK_DISABLED,'set_time_limit')){
set_time_limit(0);
}
$dir = dirname(__FILE__);
$fn = ('mw-latest.zip');
$zip_dir = basename('mw-latest.zip');
//get filename without extension fpr directory creation
$unzip = new Unzip();
$unzip -> extract($dir . DIRECTORY_SEPARATOR . $fn);
$done = true;
/// unlink($upload_dir . '/' . $filename); //delete uploaded file
// $zip = new ZipArchive;
// $res = $zip->open('mw-latest.zip');
// if ($res === TRUE) {
// $zip->extractTo('/');
// $zip->close();
// echo 'ok’';
// } else {
// echo 'failed';
// }
break;
default :
break;
}
?>
<?php if ($done == false):
$check_pass = true;
$server_check_errors = array();
if (version_compare(phpversion(), "5.3.0", "<=")) {
$check_pass = false;
$server_check_errors['php_version'] = 'You must run PHP 5.3 or greater';
}
if (!ini_get('allow_url_fopen')) {
$check_pass = false;
$server_check_errors['allow_url_fopen'] = 'You must enable allow_url_fopen from php.ini';
}
$here = dirname(__FILE__).DIRECTORY_SEPARATOR.uniqid();
if (is_writable($here)) {
$check_pass = false;
$server_check_errors['not_wrtiable'] = 'The current directory is not writable';
}
/*if (!ini_get('short_open_tag')) {
$check_pass = false;
$server_check_errors['short_open_tag'] = 'You must enable short_open_tag from php.ini';
}*/
if(function_exists('apache_get_modules') ){
if(!in_array('mod_rewrite',apache_get_modules())){
$check_pass = false;
$server_check_errors['mod_rewrite'] = 'mod_rewrite is not enabled on your server';
}
}
?>
<!DOCTYPE HTML>
<html>
<head>
<title>Welcome to Microweber Web Install</title>
<link rel="stylesheet" type="text/css" href="http://microweber.net/webinstall/style.css" />
</head>
<body>
<div class="box-holder">
<a href="http://microweber.net" target="_blank" id="logo"><img src="//microweber.net/webinstall/logo.png" alt="Microweber" /></a>
<span class="Beta">Beta Version</span>
<div class="vSpace"></div>
<div class="box">
<form name="installer">
<?php if($check_pass == false): ?>
<?php if(!empty($server_check_errors)): ?>
<h3>Server check</h3>
<h4>There are some errors on your server that will prevent Microweber from working properly</h4>
<ol class="error">
<?php foreach($server_check_errors as $server_check_error): ?>
<li>
<?php print $server_check_error; ?>
</li>
<?php endforeach ?>
</ol>
<?php endif; ?>
<?php else: ?>
<h2>Welcome to Microweber Web Install</h2>
<p>This file will download the latest version and redirect you to the install page.</p>
<!--
<input type="radio" name="action" value="download">
<input type="radio" name="action" value="unzip">
<input type="radio" name="action" value="download_and_unzip">-->
<input type="hidden" name="action" value="download_and_unzip">
<input type="submit" name="submit" value="Download and install Microweber">
<p class="agreement"> By downloading and installing Microweber you agree to the
<a href="http://microweber.net/license" id="license">License Agreement</a> </p>
<iframe id="license_text" frameborder="0" scrolling="auto" style="display: none;"></iframe>
<script>
var doc = document,
link = doc.getElementById('license'),
frame = doc.getElementById('license_text');
lactivated = false;
link.onclick = function(){
if(!lactivated){
lactivated = true;
frame.src = this.href;
}
if(frame.style.display == 'none'){
frame.style.display = 'block';
}
else{
frame.style.display = 'none';
}
return false;
}
doc.forms['installer'].onsubmit = function(){
doc.querySelector('.box').className += ' installing';
}
</script>
<div class="preloader"><span>Installing</span></div>
<?php endif; ?>
</form>
<?php else: ?>
<script> window.location.href = "index.php"; </script>
<?php unlink(__FILE__); ?>
<?php endif; ?>
<?php
function site_url($add_string = false) {
static $u1;
if ($u1 == false) {
$pageURL = 'http';
if (isset($_SERVER["HTTPS"]) and ($_SERVER["HTTPS"] == "on")) {
$pageURL .= "s";
}
$subdir_append = false;
if (isset($_SERVER['PATH_INFO'])) {
// $subdir_append = $_SERVER ['PATH_INFO'];
} else {
$subdir_append = $_SERVER['REQUEST_URI'];
}
// var_dump($_SERVER);
$pageURL .= "://";
if ($_SERVER["SERVER_PORT"] != "80") {
$pageURL .= $_SERVER["SERVER_NAME"] . ":" . $_SERVER["SERVER_PORT"];
} else {
$pageURL .= $_SERVER["SERVER_NAME"];
}
$pageURL_host = $pageURL;
$pageURL .= $subdir_append;
if (isset($_SERVER['SCRIPT_NAME'])) {
$d = dirname($_SERVER['SCRIPT_NAME']);
$d = trim($d, '/');
}
if (isset($_SERVER['QUERY_STRING'])) {
$pageURL = str_replace($_SERVER['QUERY_STRING'], '', $pageURL);
}
//$url_segs1 = str_replace($pageURL_host, '',$pageURL);
$url_segs = explode('/', $pageURL);
$i = 0;
$unset = false;
foreach ($url_segs as $v) {
if ($unset == true) {
//unset($url_segs [$i]);
}
if ($v == $d) {
$unset = true;
}
$i++;
}
$url_segs[] = '';
$u1 = implode('/', $url_segs);
}
return $u1 . $add_string;
}
/**
* UnZip Class
*
* This class is based on a library I found at PHPClasses:
* http://phpclasses.org/package/2495-PHP-Pack-and-unpack-files-packed-in-ZIP-archives.html
* so I
* refactored it and added several additional methods -- Phil Sturgeon
*
* This class requires extension ZLib Enabled.
*
* @author Alexandre Tedeschi
* @author Phil Sturgeon
* @link http://bitbucket.org/philsturgeon/codeigniter-unzip
* @license http://www.gnu.org/licenses/lgpl.html
* @version 1.0.0
*/
class Unzip {
private $compressed_list = array();
// List of files in the ZIP
private $central_dir_list = array();
// Central dir list... It's a kind of 'extra attributes' for a set of files
private $end_of_central = array();
// End of central dir, contains ZIP Comments
private $info = array();
private $error = array();
private $_zip_file = '';
private $_target_dir = FALSE;
private $apply_chmod = 0755;
private $fh;
private $zip_signature = "\x50\x4b\x03\x04";
// local file header signature
private $dir_signature = "\x50\x4b\x01\x02";
// central dir header signature
private $central_signature_end = "\x50\x4b\x05\x06";
// ignore these directories (useless meta data)
private $_skip_dirs = array('__MACOSX');
// Rename target files with underscore case
private $underscore_case = TRUE;
private $_allow_extensions = NULL;
// What is allowed out of the zip
// --------------------------------------------------------------------
/**
* Constructor
*
* @access Public
* @param string
* @return none
*/
function __construct() {
}
// --------------------------------------------------------------------
/**
* Unzip all files in archive.
*
* @access Public
* @param none
* @return none
*/
public function extract($zip_file, $target_dir = NULL, $preserve_filepath = TRUE) {
$this -> _zip_file = $zip_file;
$this -> _target_dir = $target_dir ? $target_dir : dirname($this -> _zip_file);
if (!$files = $this -> _list_files()) {
$this -> set_error('ZIP folder was empty.');
return FALSE;
}
$file_locations = array();
foreach ($files as $file => $trash) {
$dirname = pathinfo($file, PATHINFO_DIRNAME);
$extension = strtolower(pathinfo($file, PATHINFO_EXTENSION));
$folders = explode('/', $dirname);
$out_dn = $this -> _target_dir . '/' . $dirname;
// Skip stuff in stupid folders
if (in_array(current($folders), $this -> _skip_dirs)) {
continue;
}
// Skip any files that are not allowed
if (is_array($this -> _allow_extensions) && $extension && !in_array($extension, $this -> _allow_extensions)) {
continue;
}
if (!is_dir($out_dn) && $preserve_filepath) {
$str = "";
foreach ($folders as $folder) {
$str = $str ? $str . '/' . $folder : $folder;
if (!is_dir($this -> _target_dir . '/' . $str)) {
$this -> set_debug('Creating folder: ' . $this -> _target_dir . '/' . $str);
if (!@mkdir($this -> _target_dir . '/' . $str)) {
$this -> set_error('Desitnation path is not writable.');
return FALSE;
}
// Apply chmod if configured to do so
$this -> apply_chmod && chmod($this -> _target_dir . '/' . $str, $this -> apply_chmod);
}
}
}
if (substr($file, -1, 1) == '/') {
continue;
}
$file_locations[] = $file_location = $this -> _target_dir . '/' . ($preserve_filepath ? $file : basename($file));
$this -> _extract_file($file, $file_location, $this -> underscore_case);
}
return $file_locations;
}
// --------------------------------------------------------------------
/**
* What extensions do we want out of this ZIP
*
* @access Public
* @param none
* @return none
*/
public function allow($ext = NULL) {
$this -> _allow_extensions = $ext;
}
// --------------------------------------------------------------------
/**
* Show error messages
*
* @access public
* @param string
* @return string
*/
public function error_string($open = '<p>', $close = '</p>') {
return $open . implode($close . $open, $this -> error) . $close;
}
// --------------------------------------------------------------------
/**
* Show debug messages
*
* @access public
* @param string
* @return string
*/
public function debug_string($open = '<p>', $close = '</p>') {
return $open . implode($close . $open, $this -> info) . $close;
}
// --------------------------------------------------------------------
/**
* Save errors
*
* @access Private
* @param string
* @return none
*/
function set_error($string) {
$this -> error[] = $string;
}
// --------------------------------------------------------------------
/**
* Save debug data
*
* @access Private
* @param string
* @return none
*/
function set_debug($string) {
$this -> info[] = $string;
}
// --------------------------------------------------------------------
/**
* List all files in archive.
*
* @access Public
* @param boolean
* @return mixed
*/
private function _list_files($stop_on_file = FALSE) {
if (sizeof($this -> compressed_list)) {
$this -> set_debug('Returning already loaded file list.');
return $this -> compressed_list;
}
// Open file, and set file handler
$fh = fopen($this -> _zip_file, 'r');
$this -> fh = &$fh;
if (!$fh) {
$this -> set_error('Failed to load file: ' . $this -> _zip_file);
return FALSE;
}
$this -> set_debug('Loading list from "End of Central Dir" index list...');
if (!$this -> _load_file_list_by_eof($fh, $stop_on_file)) {
$this -> set_debug('Failed! Trying to load list looking for signatures...');
if (!$this -> _load_files_by_signatures($fh, $stop_on_file)) {
$this -> set_debug('Failed! Could not find any valid header.');
$this -> set_error('ZIP File is corrupted or empty');
return FALSE;
}
}
return $this -> compressed_list;
}
// --------------------------------------------------------------------
/**
* Unzip file in archive.
*
* @access Public
* @param string, boolean, boolean
* @return Unziped file.
*/
private function _extract_file($compressed_file_name, $target_file_name = FALSE, $underscore_case = FALSE) {
if (!sizeof($this -> compressed_list)) {
$this -> set_debug('Trying to unzip before loading file list... Loading it!');
$this -> _list_files(FALSE, $compressed_file_name);
}
$fdetails = &$this -> compressed_list[$compressed_file_name];
if (!isset($this -> compressed_list[$compressed_file_name])) {
$this -> set_error('File "<strong>$compressed_file_name</strong>" is not compressed in the zip.');
return FALSE;
}
if (substr($compressed_file_name, -1) == '/') {
$this -> set_error('Trying to unzip a folder name "<strong>$compressed_file_name</strong>".');
return FALSE;
}
if (!$fdetails['uncompressed_size']) {
$this -> set_debug('File "<strong>$compressed_file_name</strong>" is empty.');
return $target_file_name ? file_put_contents($target_file_name, '') : '';
}
if ($underscore_case) {
$pathinfo = pathinfo($target_file_name);
if (!isset($pathinfo['extension'])) {
$pathinfo['extension'] = '';
}
//$pathinfo['filename_new'] = preg_replace('/([^.a-z0-9]+)/i', '_', strtolower($pathinfo['filename']));
$pathinfo['filename_new'] = $pathinfo['filename'];
$target_file_name = $pathinfo['dirname'] . '/' . $pathinfo['filename_new'] . '.' . strtolower($pathinfo['extension']);
}
fseek($this -> fh, $fdetails['contents_start_offset']);
$ret = $this -> _uncompress(fread($this -> fh, $fdetails['compressed_size']), $fdetails['compression_method'], $fdetails['uncompressed_size'], $target_file_name);
if ($this -> apply_chmod && $target_file_name) {
chmod($target_file_name, 0755);
}
return $ret;
}
// --------------------------------------------------------------------
/**
* Free the file resource.
*
* @access Public
* @param none
* @return none
*/
public function close() {
// Free the file resource
if ($this -> fh) {
fclose($this -> fh);
}
}
// --------------------------------------------------------------------
/**
* Free the file resource Automatic destroy.
*
* @access Public
* @param none
* @return none
*/
public function __destroy() {
$this -> close();
}
// --------------------------------------------------------------------
/**
* Uncompress file. And save it to the targetFile.
*
* @access Private
* @param Filecontent, int, int, boolean
* @return none
*/
private function _uncompress($content, $mode, $uncompressed_size, $target_file_name = FALSE) {
switch ($mode) {
case 0 :
return $target_file_name ? file_put_contents($target_file_name, $content) : $content;
case 1 :
$this -> set_error('Shrunk mode is not supported... yet?');
return FALSE;
case 2 :
case 3 :
case 4 :
case 5 :
$this -> set_error('Compression factor ' . ($mode - 1) . ' is not supported... yet?');
return FALSE;
case 6 :
$this -> set_error('Implode is not supported... yet?');
return FALSE;
case 7 :
$this -> set_error('Tokenizing compression algorithm is not supported... yet?');
return FALSE;
case 8 :
// Deflate
return $target_file_name ? file_put_contents($target_file_name, gzinflate($content, $uncompressed_size)) : gzinflate($content, $uncompressed_size);
case 9 :
$this -> set_error('Enhanced Deflating is not supported... yet?');
return FALSE;
case 10 :
$this -> set_error('PKWARE Date Compression Library Impoloding is not supported... yet?');
return FALSE;
case 12 :
// Bzip2
return $target_file_name ? file_put_contents($target_file_name, bzdecompress($content)) : bzdecompress($content);
case 18 :
$this -> set_error('IBM TERSE is not supported... yet?');
return FALSE;
default :
$this -> set_error('Unknown uncompress method: $mode');
return FALSE;
}
}
private function _load_file_list_by_eof(&$fh, $stop_on_file = FALSE) {
// Check if there's a valid Central Dir signature.
// Let's consider a file comment smaller than 1024 characters...
// Actually, it length can be 65536.. But we're not going to support it.
for ($x = 0; $x < 1024; $x++) {
fseek($fh, -22 - $x, SEEK_END);
$signature = fread($fh, 4);
if ($signature == $this -> central_signature_end) {
// If found EOF Central Dir
$eodir['disk_number_this'] = unpack("v", fread($fh, 2));
// number of this disk
$eodir['disk_number'] = unpack("v", fread($fh, 2));
// number of the disk with the start of the central directory
$eodir['total_entries_this'] = unpack("v", fread($fh, 2));
// total number of entries in the central dir on this disk
$eodir['total_entries'] = unpack("v", fread($fh, 2));
// total number of entries in
$eodir['size_of_cd'] = unpack("V", fread($fh, 4));
// size of the central directory
$eodir['offset_start_cd'] = unpack("V", fread($fh, 4));
// offset of start of central directory with respect to the starting disk number
$zip_comment_lenght = unpack("v", fread($fh, 2));
// zipfile comment length
$eodir['zipfile_comment'] = $zip_comment_lenght[1] ? fread($fh, $zip_comment_lenght[1]) : '';
// zipfile comment
$this -> end_of_central = array('disk_number_this' => $eodir['disk_number_this'][1], 'disk_number' => $eodir['disk_number'][1], 'total_entries_this' => $eodir['total_entries_this'][1], 'total_entries' => $eodir['total_entries'][1], 'size_of_cd' => $eodir['size_of_cd'][1], 'offset_start_cd' => $eodir['offset_start_cd'][1], 'zipfile_comment' => $eodir['zipfile_comment'], );
// Then, load file list
fseek($fh, $this -> end_of_central['offset_start_cd']);
$signature = fread($fh, 4);
while ($signature == $this -> dir_signature) {
$dir['version_madeby'] = unpack("v", fread($fh, 2));
// version made by
$dir['version_needed'] = unpack("v", fread($fh, 2));
// version needed to extract
$dir['general_bit_flag'] = unpack("v", fread($fh, 2));
// general purpose bit flag
$dir['compression_method'] = unpack("v", fread($fh, 2));
// compression method
$dir['lastmod_time'] = unpack("v", fread($fh, 2));
// last mod file time
$dir['lastmod_date'] = unpack("v", fread($fh, 2));
// last mod file date
$dir['crc-32'] = fread($fh, 4);
// crc-32
$dir['compressed_size'] = unpack("V", fread($fh, 4));
// compressed size
$dir['uncompressed_size'] = unpack("V", fread($fh, 4));
// uncompressed size
$zip_file_length = unpack("v", fread($fh, 2));
// filename length
$extra_field_length = unpack("v", fread($fh, 2));
// extra field length
$fileCommentLength = unpack("v", fread($fh, 2));
// file comment length
$dir['disk_number_start'] = unpack("v", fread($fh, 2));
// disk number start
$dir['internal_attributes'] = unpack("v", fread($fh, 2));
// internal file attributes-byte1
$dir['external_attributes1'] = unpack("v", fread($fh, 2));
// external file attributes-byte2
$dir['external_attributes2'] = unpack("v", fread($fh, 2));
// external file attributes
$dir['relative_offset'] = unpack("V", fread($fh, 4));
// relative offset of local header
$dir['file_name'] = fread($fh, $zip_file_length[1]);
// filename
$dir['extra_field'] = $extra_field_length[1] ? fread($fh, $extra_field_length[1]) : '';
// extra field
$dir['file_comment'] = $fileCommentLength[1] ? fread($fh, $fileCommentLength[1]) : '';
// file comment
// Convert the date and time, from MS-DOS format to UNIX Timestamp
$binary_mod_date = str_pad(decbin($dir['lastmod_date'][1]), 16, '0', STR_PAD_LEFT);
$binary_mod_time = str_pad(decbin($dir['lastmod_time'][1]), 16, '0', STR_PAD_LEFT);
$last_mod_year = bindec(substr($binary_mod_date, 0, 7)) + 1980;
$last_mod_month = bindec(substr($binary_mod_date, 7, 4));
$last_mod_day = bindec(substr($binary_mod_date, 11, 5));
$last_mod_hour = bindec(substr($binary_mod_time, 0, 5));
$last_mod_minute = bindec(substr($binary_mod_time, 5, 6));
$last_mod_second = bindec(substr($binary_mod_time, 11, 5));
$this -> central_dir_list[$dir['file_name']] = array('version_madeby' => $dir['version_madeby'][1], 'version_needed' => $dir['version_needed'][1], 'general_bit_flag' => str_pad(decbin($dir['general_bit_flag'][1]), 8, '0', STR_PAD_LEFT), 'compression_method' => $dir['compression_method'][1], 'lastmod_datetime' => mktime($last_mod_hour, $last_mod_minute, $last_mod_second, $last_mod_month, $last_mod_day, $last_mod_year), 'crc-32' => str_pad(dechex(ord($dir['crc-32'][3])), 2, '0', STR_PAD_LEFT) . str_pad(dechex(ord($dir['crc-32'][2])), 2, '0', STR_PAD_LEFT) . str_pad(dechex(ord($dir['crc-32'][1])), 2, '0', STR_PAD_LEFT) . str_pad(dechex(ord($dir['crc-32'][0])), 2, '0', STR_PAD_LEFT), 'compressed_size' => $dir['compressed_size'][1], 'uncompressed_size' => $dir['uncompressed_size'][1], 'disk_number_start' => $dir['disk_number_start'][1], 'internal_attributes' => $dir['internal_attributes'][1], 'external_attributes1' => $dir['external_attributes1'][1], 'external_attributes2' => $dir['external_attributes2'][1], 'relative_offset' => $dir['relative_offset'][1], 'file_name' => $dir['file_name'], 'extra_field' => $dir['extra_field'], 'file_comment' => $dir['file_comment'], );
$signature = fread($fh, 4);
}
// If loaded centralDirs, then try to identify the offsetPosition of the compressed data.
if ($this -> central_dir_list) {
foreach ($this->central_dir_list as $filename => $details) {
$i = $this -> _get_file_header($fh, $details['relative_offset']);
$this -> compressed_list[$filename]['file_name'] = $filename;
$this -> compressed_list[$filename]['compression_method'] = $details['compression_method'];
$this -> compressed_list[$filename]['version_needed'] = $details['version_needed'];
$this -> compressed_list[$filename]['lastmod_datetime'] = $details['lastmod_datetime'];
$this -> compressed_list[$filename]['crc-32'] = $details['crc-32'];
$this -> compressed_list[$filename]['compressed_size'] = $details['compressed_size'];
$this -> compressed_list[$filename]['uncompressed_size'] = $details['uncompressed_size'];
$this -> compressed_list[$filename]['lastmod_datetime'] = $details['lastmod_datetime'];
$this -> compressed_list[$filename]['extra_field'] = $i['extra_field'];
$this -> compressed_list[$filename]['contents_start_offset'] = $i['contents_start_offset'];
if (strtolower($stop_on_file) == strtolower($filename)) {
break;
}
}
}
return true;
}
}
return FALSE;
}
private function _load_files_by_signatures(&$fh, $stop_on_file = FALSE) {
fseek($fh, 0);
$return = FALSE;
for (; ; ) {
$details = $this -> _get_file_header($fh);
if (!$details) {
$this -> set_debug('Invalid signature. Trying to verify if is old style Data Descriptor...');
fseek($fh, 12 - 4, SEEK_CUR);
// 12: Data descriptor - 4: Signature (that will be read again)
$details = $this -> _get_file_header($fh);
}
if (!$details) {
$this -> set_debug('Still invalid signature. Probably reached the end of the file.');
break;
}
$filename = $details['file_name'];
$this -> compressed_list[$filename] = $details;
$return = true;
if (strtolower($stop_on_file) == strtolower($filename)) {
break;
}
}
return $return;
}
private function _get_file_header(&$fh, $start_offset = FALSE) {
if ($start_offset !== FALSE) {
fseek($fh, $start_offset);
}
$signature = fread($fh, 4);
if ($signature == $this -> zip_signature) {
// Get information about the zipped file
$file['version_needed'] = unpack("v", fread($fh, 2));
// version needed to extract
$file['general_bit_flag'] = unpack("v", fread($fh, 2));
// general purpose bit flag
$file['compression_method'] = unpack("v", fread($fh, 2));
// compression method
$file['lastmod_time'] = unpack("v", fread($fh, 2));
// last mod file time
$file['lastmod_date'] = unpack("v", fread($fh, 2));
// last mod file date
$file['crc-32'] = fread($fh, 4);
// crc-32
$file['compressed_size'] = unpack("V", fread($fh, 4));
// compressed size
$file['uncompressed_size'] = unpack("V", fread($fh, 4));
// uncompressed size
$zip_file_length = unpack("v", fread($fh, 2));
// filename length
$extra_field_length = unpack("v", fread($fh, 2));
// extra field length
$file['file_name'] = fread($fh, $zip_file_length[1]);
// filename
$file['extra_field'] = $extra_field_length[1] ? fread($fh, $extra_field_length[1]) : '';
// extra field
$file['contents_start_offset'] = ftell($fh);
// Bypass the whole compressed contents, and look for the next file
fseek($fh, $file['compressed_size'][1], SEEK_CUR);
// Convert the date and time, from MS-DOS format to UNIX Timestamp
$binary_mod_date = str_pad(decbin($file['lastmod_date'][1]), 16, '0', STR_PAD_LEFT);
$binary_mod_time = str_pad(decbin($file['lastmod_time'][1]), 16, '0', STR_PAD_LEFT);
$last_mod_year = bindec(substr($binary_mod_date, 0, 7)) + 1980;
$last_mod_month = bindec(substr($binary_mod_date, 7, 4));
$last_mod_day = bindec(substr($binary_mod_date, 11, 5));
$last_mod_hour = bindec(substr($binary_mod_time, 0, 5));
$last_mod_minute = bindec(substr($binary_mod_time, 5, 6));
$last_mod_second = bindec(substr($binary_mod_time, 11, 5));
// Mount file table
$i = array('file_name' => $file['file_name'], 'compression_method' => $file['compression_method'][1], 'version_needed' => $file['version_needed'][1], 'lastmod_datetime' => mktime($last_mod_hour, $last_mod_minute, $last_mod_second, $last_mod_month, $last_mod_day, $last_mod_year), 'crc-32' => str_pad(dechex(ord($file['crc-32'][3])), 2, '0', STR_PAD_LEFT) . str_pad(dechex(ord($file['crc-32'][2])), 2, '0', STR_PAD_LEFT) . str_pad(dechex(ord($file['crc-32'][1])), 2, '0', STR_PAD_LEFT) . str_pad(dechex(ord($file['crc-32'][0])), 2, '0', STR_PAD_LEFT), 'compressed_size' => $file['compressed_size'][1], 'uncompressed_size' => $file['uncompressed_size'][1], 'extra_field' => $file['extra_field'], 'general_bit_flag' => str_pad(decbin($file['general_bit_flag'][1]), 8, '0', STR_PAD_LEFT), 'contents_start_offset' => $file['contents_start_offset']);
return $i;
}
return FALSE;
}
}
?>
</div>
</div>
</body>
</html>