/**
* Extracts a file or files from the .tar.gz contained in data.
*
* - Detects if the file is really a .zip file, and if so returns the result of read_zip_data
*
* if destination is null
* - returns a list of files in the archive.
*
* if single_file is true
* - returns the contents of the file specified by destination, if it exists, or false.
* - destination can start with * and / to signify that the file may come from any directory.
* - destination should not begin with a / if single_file is true.
*
* - existing files with newer modification times if and only if overwrite is true.
* - creates the destination directory if it doesn't exist, and is is specified.
* - requires zlib support be built into PHP.
* - returns an array of the files extracted on success
* - if files_to_extract is not equal to null only extracts the files within this array.
*
* @package Packages
* @param string $data
* @param string $destination
* @param bool $single_file = false,
* @param bool $overwrite = false,
* @param string[]|null $files_to_extract = null
* @return string|false
*/
function read_tgz_data($data, $destination, $single_file = false, $overwrite = false, $files_to_extract = null)
{
require_once SUBSDIR . '/UnTgz.class.php';
$untgz = new UnTgz($data, $destination, $single_file, $overwrite, $files_to_extract);
// Choose the right method for the file
if ($untgz->check_valid_tgz()) {
return $untgz->read_tgz_data();
} else {
unset($untgz);
return read_zip_data($data, $destination, $single_file, $overwrite, $files_to_extract);
}
}
function read_tgz_data($data, $destination, $single_file = false, $overwrite = false, $files_to_extract = null)
{
// Make sure we have this loaded.
loadLanguage('Packages');
// This function sorta needs gzinflate!
if (!function_exists('gzinflate')) {
fatal_lang_error('package_no_zlib', 'critical');
}
umask(0);
if (!$single_file && $destination !== null && !file_exists($destination)) {
mktree($destination, 0777);
}
// No signature?
if (strlen($data) < 2) {
return false;
}
$id = unpack('H2a/H2b', substr($data, 0, 2));
if (strtolower($id['a'] . $id['b']) != '1f8b') {
// Okay, this ain't no tar.gz, but maybe it's a zip file.
if (substr($data, 0, 2) == 'PK') {
return read_zip_data($data, $destination, $single_file, $overwrite, $files_to_extract);
} else {
return false;
}
}
$flags = unpack('Ct/Cf', substr($data, 2, 2));
// Not deflate!
if ($flags['t'] != 8) {
return false;
}
$flags = $flags['f'];
$offset = 10;
$octdec = array('mode', 'uid', 'gid', 'size', 'mtime', 'checksum', 'type');
// "Read" the filename and comment. // !!! Might be mussed.
if ($flags & 12) {
while ($flags & 8 && $data[$offset++] != "") {
continue;
}
while ($flags & 4 && $data[$offset++] != "") {
continue;
}
}
$crc = unpack('Vcrc32/Visize', substr($data, strlen($data) - 8, 8));
$data = @gzinflate(substr($data, $offset, strlen($data) - 8 - $offset));
// smf_crc32 and crc32 may not return the same results, so we accept either.
if ($crc['crc32'] != smf_crc32($data) && $crc['crc32'] != crc32($data)) {
return false;
}
$blocks = strlen($data) / 512 - 1;
$offset = 0;
$return = array();
while ($offset < $blocks) {
$header = substr($data, $offset << 9, 512);
$current = unpack('a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/a8checksum/a1type/a100linkname/a6magic/a2version/a32uname/a32gname/a8devmajor/a8devminor/a155path', $header);
// Blank record? This is probably at the end of the file.
if (empty($current['filename'])) {
$offset += 512;
continue;
}
if ($current['type'] == 5 && substr($current['filename'], -1) != '/') {
$current['filename'] .= '/';
}
foreach ($current as $k => $v) {
if (in_array($k, $octdec)) {
$current[$k] = octdec(trim($v));
} else {
$current[$k] = trim($v);
}
}
$checksum = 256;
for ($i = 0; $i < 148; $i++) {
$checksum += ord($header[$i]);
}
for ($i = 156; $i < 512; $i++) {
$checksum += ord($header[$i]);
}
if ($current['checksum'] != $checksum) {
break;
}
$size = ceil($current['size'] / 512);
$current['data'] = substr($data, ++$offset << 9, $current['size']);
$offset += $size;
// Not a directory and doesn't exist already...
if (substr($current['filename'], -1, 1) != '/' && !file_exists($destination . '/' . $current['filename'])) {
$write_this = true;
} elseif (substr($current['filename'], -1, 1) != '/') {
$write_this = $overwrite || filemtime($destination . '/' . $current['filename']) < $current['mtime'];
} elseif ($destination !== null && !$single_file) {
// Protect from accidental parent directory writing...
$current['filename'] = strtr($current['filename'], array('../' => '', '/..' => ''));
if (!file_exists($destination . '/' . $current['filename'])) {
mktree($destination . '/' . $current['filename'], 0777);
}
$write_this = false;
} else {
$write_this = false;
}
if ($write_this && $destination !== null) {
if (strpos($current['filename'], '/') !== false && !$single_file) {
mktree($destination . '/' . dirname($current['filename']), 0777);
}
// Is this the file we're looking for?
if ($single_file && ($destination == $current['filename'] || $destination == '*/' . basename($current['filename']))) {
return $current['data'];
} elseif ($single_file) {
continue;
} elseif ($files_to_extract !== null && !in_array($current['filename'], $files_to_extract)) {
continue;
}
package_put_contents($destination . '/' . $current['filename'], $current['data']);
}
if (substr($current['filename'], -1, 1) != '/') {
$return[] = array('filename' => $current['filename'], 'md5' => md5($current['data']), 'preview' => substr($current['data'], 0, 100), 'size' => $current['size'], 'skipped' => false);
}
}
if ($destination !== null && !$single_file) {
package_flush_cache();
}
if ($single_file) {
return false;
} else {
return $return;
}
}
/**
* Extracts a file or files from the .tar.gz contained in data.
*
* - Detects if the file is really a .zip file, and if so returns the result of read_zip_data
*
* if destination is null
* - returns a list of files in the archive.
*
* if single_file is true
* - returns the contents of the file specified by destination, if it exists, or false.
* - destination can start with * and / to signify that the file may come from any directory.
* - destination should not begin with a / if single_file is true.
*
* - existing files with newer modification times if and only if overwrite is true.
* - creates the destination directory if it doesn't exist, and is is specified.
* - requires zlib support be built into PHP.
* - returns an array of the files extracted on success
* - if files_to_extract is not equal to null only extracts the files within this array.
*
* @package Packages
* @param string $data
* @param string $destination
* @param bool $single_file = false,
* @param bool $overwrite = false,
* @param string[]|null $files_to_extract = null
* @return string|false
*/
function read_tgz_data($data, $destination, $single_file = false, $overwrite = false, $files_to_extract = null)
{
// Make sure we have this loaded.
loadLanguage('Packages');
// This function sorta needs gzinflate!
if (!function_exists('gzinflate')) {
fatal_lang_error('package_no_zlib', 'critical');
}
umask(0);
if (!$single_file && $destination !== null && !file_exists($destination)) {
mktree($destination, 0777);
}
// No signature?
if (strlen($data) < 10) {
return false;
}
// Unpack the signature so we can see what we have
$header = unpack('H2a/H2b/Ct/Cf/Vmtime/Cxtra/Cos', substr($data, 0, 10));
$header['filename'] = '';
$header['comment'] = '';
// The IDentification number, gzip must be 1f8b
if (strtolower($header['a'] . $header['b']) != '1f8b') {
// Okay, this is not a tar.gz, but maybe it's a zip file.
if (substr($data, 0, 2) === 'PK') {
return read_zip_data($data, $destination, $single_file, $overwrite, $files_to_extract);
} else {
return false;
}
}
// Compression method needs to be 8 = deflate!
if ($header['t'] != 8) {
return false;
}
// Each bit of this byte represents a processing flag as follows
// 0 fTEXT, 1 fHCRC, 2 fEXTRA, 3 fNAME, 4 fCOMMENT, 5 fENCRYPT, 6-7 reserved
$flags = $header['f'];
// Start to read any data defined by the flags
$offset = 10;
// fEXTRA flag set we simply skip over its entry and the length of its data
if ($flags & 4) {
$xlen = unpack('vxlen', substr($data, $offset, 2));
$offset += $xlen['xlen'] + 2;
}
// Read the filename, its zero terminated
if ($flags & 8) {
while ($data[$offset] != "") {
$header['filename'] .= $data[$offset++];
}
$offset++;
}
// Read the comment, its also zero terminated
if ($flags & 16) {
while ($data[$offset] != "") {
$header['comment'] .= $data[$offset++];
}
$offset++;
}
// "Read" the header CRC
if ($flags & 2) {
$offset += 2;
}
// $crc16 = unpack('vcrc16', substr($data, $offset, 2));
// We have now arrived at the start of the compressed data,
// Its terminated with 4 bytes of CRC and 4 bytes of the original input size
$crc = unpack('Vcrc32/Visize', substr($data, strlen($data) - 8, 8));
$data = @gzinflate(substr($data, $offset, strlen($data) - 8 - $offset));
// crc32_compat and crc32 may not return the same results, so we accept either.
if ($data === false || $crc['crc32'] != crc32_compat($data) && $crc['crc32'] != crc32($data)) {
return false;
}
$octdec = array('mode', 'uid', 'gid', 'size', 'mtime', 'checksum', 'type');
$blocks = strlen($data) / 512 - 1;
$offset = 0;
$return = array();
// We have Un-gziped the data, now lets extract the tar files
while ($offset < $blocks) {
$header = substr($data, $offset << 9, 512);
$current = unpack('a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/a8checksum/a1type/a100linkname/a6magic/a2version/a32uname/a32gname/a8devmajor/a8devminor/a155path', $header);
// Clean the header fields, convert octal ones to decimal
foreach ($current as $k => $v) {
if (in_array($k, $octdec)) {
$current[$k] = octdec(trim($v));
} else {
$current[$k] = trim($v);
}
}
// Blank record? This is probably at the end of the file.
if (empty($current['filename'])) {
$offset += 512;
continue;
}
// If its a directory, lets make sure it ends in a /
if ($current['type'] == 5 && substr($current['filename'], -1) != '/') {
$current['filename'] .= '/';
}
// Build the checksum for this file and make sure it matches
$checksum = 256;
for ($i = 0; $i < 148; $i++) {
$checksum += ord($header[$i]);
}
for ($i = 156; $i < 512; $i++) {
$checksum += ord($header[$i]);
}
if ($current['checksum'] != $checksum) {
break;
}
$size = ceil($current['size'] / 512);
$current['data'] = substr($data, ++$offset << 9, $current['size']);
$offset += $size;
// Not a directory and doesn't exist already...
if (substr($current['filename'], -1, 1) != '/' && !file_exists($destination . '/' . $current['filename'])) {
$write_this = true;
} elseif (substr($current['filename'], -1, 1) != '/') {
$write_this = $overwrite || filemtime($destination . '/' . $current['filename']) < $current['mtime'];
} elseif ($destination !== null && !$single_file) {
// Protect from accidental parent directory writing...
$current['filename'] = strtr($current['filename'], array('../' => '', '/..' => ''));
if (!file_exists($destination . '/' . $current['filename'])) {
mktree($destination . '/' . $current['filename'], 0777);
}
$write_this = false;
} else {
$write_this = false;
}
if ($write_this && $destination !== null) {
if (strpos($current['filename'], '/') !== false && !$single_file) {
mktree($destination . '/' . dirname($current['filename']), 0777);
}
// Is this the file we're looking for?
if ($single_file && ($destination == $current['filename'] || $destination == '*/' . basename($current['filename']))) {
return $current['data'];
} elseif ($single_file) {
continue;
} elseif ($files_to_extract !== null && !in_array($current['filename'], $files_to_extract)) {
continue;
}
package_put_contents($destination . '/' . $current['filename'], $current['data']);
}
if (substr($current['filename'], -1, 1) != '/') {
$return[] = array('filename' => $current['filename'], 'md5' => md5($current['data']), 'preview' => substr($current['data'], 0, 100), 'size' => $current['size'], 'skipped' => false);
}
}
if ($destination !== null && !$single_file) {
package_flush_cache();
}
if ($single_file) {
return false;
} else {
return $return;
}
}
function GamesAdminInstall()
{
global $scripturl, $txt, $smcFunc, $arcSettings, $context, $sourcedir, $boarddir;
// Make list of files to be installed
if (isset($_REQUEST['file']) || isset($_REQUEST['directory'])) {
// We don't want to install games more than once
$installed = array();
$result = $smcFunc['db_query']('', '
SELECT game_file
FROM {db_prefix}arcade_games', array());
while ($file = $smcFunc['db_fetch_assoc']($result)) {
$installed[$file['game_file']] = true;
}
$smcFunc['db_free_result']($result);
// We need write permission to games directory
if (!is_writable($arcSettings['gamesDirectory'])) {
fatal_lang_error('arcade_not_writable', false, array($arcSettings['gamesDirectory']));
}
// We will need this to extract files
require_once $sourcedir . '/Subs-Package.php';
// One file
if (isset($_REQUEST['file']) && !is_array($_REQUEST['file'])) {
$files = array($_REQUEST['file']);
} elseif (isset($_REQUEST['file']) && is_array($_REQUEST['file'])) {
$files =& $_REQUEST['file'];
} else {
$files = array();
}
// Remove invalid games
foreach ($files as $key => $value) {
if (!file_exists($arcSettings['gamesDirectory'] . '/' . $value)) {
unset($files[$key]);
}
}
// Files from directories
if (isset($_REQUEST['directory']) && is_array($_REQUEST['directory'])) {
chdir($arcSettings['gamesDirectory']);
foreach ($_REQUEST['directory'] as $directory) {
$files = array_merge($files, glob($directory . '/*.swf'));
}
}
if (count($files) == 0) {
fatal_lang_error('arcade_no_files_selected');
}
$games = array();
// Let's make array with basic settings
foreach ($files as $file) {
$path = $file;
$file = basename($file);
$dot = strrpos($file, '.');
if ($dot !== false) {
$internal_name = substr($file, 0, $dot);
} else {
fatal_lang_error('arcade_invalid_file', false, array($path));
}
if (substr($file, -3) == 'swf') {
// Is it already installed?
if (isset($installed[$file])) {
continue;
}
$name = str_replace('_', ' ', $internal_name);
$games[$internal_name] = array('internal_name' => $internal_name, 'name' => ucwords($name), 'path' => $path, 'file' => $file, 'type' => substr($file, -3));
} elseif (substr($file, -3) == 'zip') {
$data = file_get_contents($arcSettings['gamesDirectory'] . $path);
if ($data === false) {
continue;
}
// Unable to read file :(
$destination = $arcSettings['gamesDirectory'] . $internal_name . '/';
$ret = read_zip_data($data, $destination);
unset($data);
unlink($arcSettings['gamesDirectory'] . $file);
$folder = $internal_name;
if ($ret == false) {
continue;
}
// Files that were extracted
foreach ($ret as $file_pack) {
$basename = basename($file_pack['filename']);
// Is it already installed?
if (isset($installed[$basename])) {
continue;
}
$path = $folder . '/' . $basename;
$dot = strpos($file_pack['filename'], '.');
if ($dot !== false) {
$internal_name = substr($basename, 0, $dot);
} else {
fatal_lang_error('arcade_invalid_file', false, array($path));
}
if (substr($basename, -3) == 'swf') {
$name = str_replace('_', ' ', $internal_name);
$games[$internal_name] = array('internal_name' => $internal_name, 'name' => ucwords($name), 'path' => $path, 'file' => $basename, 'type' => substr($file_pack['filename'], -3));
}
}
}
}
// There were packages with errors or no games...
if (count($games) == 0) {
fatal_lang_error('arcade_no_files_selected');
}
// Session will store data
$_SESSION['install'] = array('to_check' => $games, 'games' => array(), 'done' => 0, 'total' => count($files), 'begin' => time(), 'end' => 0);
redirectexit('action=admin;area=managearcade;sa=files;do=stageone');
} elseif (isset($_SESSION['install'])) {
//use getid...it works!!
require_once $boarddir . '/getid3/getid3.php';
$install =& $_SESSION['install'];
$context['arcade']['install'] = array();
// Games that needs to be checked
foreach ($install['to_check'] as $key => $file) {
//we need meta-data such as width and height
$swf = new getID3();
$swf->analyze($arcSettings['gamesDirectory'] . $file['path']);
$file['width'] = $swf->info['video']['resolution_x'];
$file['height'] = $swf->info['video']['resolution_y'];
$file['bgcolor'] = $swf->info['swf']['bgcolor'];
// Change working directory and try to find thumbails
$directory = substr($file['path'], 0, strrpos($file['path'], '/'));
chdir($arcSettings['gamesDirectory'] . $directory);
$thumbnail = glob($file['internal_name'] . '.{png,gif,jpg}', GLOB_BRACE);
if (!$thumbnail) {
$thumbnail = glob($file['internal_name'] . '1.{png,gif,jpg}', GLOB_BRACE);
}
// Build array
$context['arcade']['install'][] = array('game_name' => $file['name'], 'internal_name' => $file['internal_name'], 'directory' => $directory, 'file' => $file['file'], 'thumbnail' => isset($thumbnail[0]) ? $thumbnail[0] : '', 'score_type' => 0, 'width' => isset($file['width']) ? $file['width'] : '400', 'height' => isset($file['height']) ? $file['height'] : '300', 'bgcolor' => $file['bgcolor']);
}
$_SESSION['install2'] = $context['arcade']['install'];
$context['arcade']['categories'] = prepareCategories();
// Template
$context['page_title'] = $txt['arcade_title_install_games'];
$context['sub_template'] = 'games_install';
} else {
fatal_lang_error('arcade_no_files_selected');
}
}
