public function extract($archive, $destination, $options = array())
{
// Initialise variables.
$this->_data = null;
$this->_metadata = null;
if (!($this->_data = MFile::read($archive))) {
$this->set('error.message', 'Unable to read archive');
return MError::raiseWarning(100, $this->get('error.message'));
}
if (!$this->_getTarInfo($this->_data)) {
return MError::raiseWarning(100, $this->get('error.message'));
}
for ($i = 0, $n = count($this->_metadata); $i < $n; $i++) {
$type = strtolower($this->_metadata[$i]['type']);
if ($type == 'file' || $type == 'unix file') {
$buffer = $this->_metadata[$i]['data'];
$path = MPath::clean($destination . '/' . $this->_metadata[$i]['name']);
// Make sure the destination folder exists
if (!MFolder::create(dirname($path))) {
$this->set('error.message', 'Unable to create destination');
return MError::raiseWarning(100, $this->get('error.message'));
}
if (MFile::write($path, $buffer) === false) {
$this->set('error.message', 'Unable to write entry');
return MError::raiseWarning(100, $this->get('error.message'));
}
}
}
return true;
}
public function extract($archive, $destination, $options = array())
{
// Initialise variables.
$this->_data = null;
if (!extension_loaded('bz2')) {
$this->set('error.message', MText::_('MLIB_FILESYSTEM_BZIP_NOT_SUPPORTED'));
return MError::raiseWarning(100, $this->get('error.message'));
}
if (!isset($options['use_streams']) || $options['use_streams'] == false) {
// Old style: read the whole file and then parse it
if (!($this->_data = MFile::read($archive))) {
$this->set('error.message', 'Unable to read archive');
return MError::raiseWarning(100, $this->get('error.message'));
}
$buffer = bzdecompress($this->_data);
unset($this->_data);
if (empty($buffer)) {
$this->set('error.message', 'Unable to decompress data');
return MError::raiseWarning(100, $this->get('error.message'));
}
if (MFile::write($destination, $buffer) === false) {
$this->set('error.message', 'Unable to write archive');
return MError::raiseWarning(100, $this->get('error.message'));
}
} else {
// New style! streams!
$input = MFactory::getStream();
$input->set('processingmethod', 'bz');
// use bzip
if (!$input->open($archive)) {
$this->set('error.message', MText::_('MLIB_FILESYSTEM_BZIP_UNABLE_TO_READ'));
return MError::raiseWarning(100, $this->get('error.message'));
}
$output = MFactory::getStream();
if (!$output->open($destination, 'w')) {
$this->set('error.message', MText::_('MLIB_FILESYSTEM_BZIP_UNABLE_TO_WRITE'));
$input->close();
// close the previous file
return MError::raiseWarning(100, $this->get('error.message'));
}
do {
$this->_data = $input->read($input->get('chunksize', 8196));
if ($this->_data) {
if (!$output->write($this->_data)) {
$this->set('error.message', MText::_('MLIB_FILESYSTEM_BZIP_UNABLE_TO_WRITE_FILE'));
return MError::raiseWarning(100, $this->get('error.message'));
}
}
} while ($this->_data);
$output->close();
$input->close();
}
return true;
}
public function _replacePrefix($query)
{
$mainframe = MFactory::getApplication();
$msg = '';
$config_file = MPATH_CONFIGURATION . '/configuration.php';
list($prefix, $new_prefix) = sscanf(str_replace(array('`', '"', "'"), '', strtolower(trim($query))), "replace prefix %s to %s");
if (!is_writable($config_file)) {
echo '<h2 style="color: red;">' . sprintf(MText::_('COM_MIWOSQL_CONFIG_NOT_WRITABLE'), $config_fname) . '</h2>';
return $msg;
}
$this->_db->setQuery("SHOW TABLES LIKE '" . $prefix . "%'");
$tables = $this->_db->loadResultArray();
foreach ($tables as $tbl) {
$new_tbl = str_replace($prefix, $new_prefix, $tbl);
$this->_db->setQuery('ALTER TABLE `' . $tbl . '` RENAME `' . $new_tbl . '`');
$this->_db->query();
if (!empty($this->_db->_errorMsg)) {
echo '<small style="color:red;">' . $this->_db->_errorMsg . '</small><br/>';
}
}
$config = MFactory::getConfig();
if (version_compare(MVERSION, '1.6.0', 'ge')) {
$config->set('dbprefix', $new_prefix);
} else {
$config->setValue('config.dbprefix', $new_prefix);
}
/*jimport('joomla.filesystem.path');
if (!$ftp['enabled'] && MPath::isOwner($config_fname) && !MPath::setPermissions($config_fname, '0644')) {
MError::raiseNotice('SOME_ERROR_CODE', 'Could not make configuration.php writable');
}*/
mimport('framwork.filesystem.file');
if (version_compare(MVERSION, '1.6.0', 'ge')) {
if (!MFile::write($config_file, $config->toString('PHP', array('class' => 'MConfig', 'closingtag' => false)))) {
$msg = MText::_('COM_MIWOSQL_DONE');
} else {
$msg = MText::_('ERRORCONFIGFILE');
}
} else {
if (MFile::write($config_file, $config->toString('PHP', 'config', array('class' => 'MConfig')))) {
$msg = MText::_('COM_MIWOSQL_DONE');
} else {
$msg = MText::_('ERRORCONFIGFILE');
}
}
return $msg;
}
public static function isOwner($path)
{
mimport('framework.filesystem.file');
$tmp = md5(MUserHelper::genRandomPassword(16));
$ssp = ini_get('session.save_path');
$jtp = MPATH_SITE . '/tmp';
// Try to find a writable directory
$dir = is_writable('/tmp') ? '/tmp' : false;
$dir = !$dir && is_writable($ssp) ? $ssp : false;
$dir = !$dir && is_writable($jtp) ? $jtp : false;
if ($dir) {
$test = $dir . '/' . $tmp;
// Create the test file
$blank = '';
MFile::write($test, $blank, false);
// Test ownership
$return = fileowner($test) == fileowner($path);
// Delete the test file
MFile::delete($test);
return $return;
}
return false;
}
private function _createZIPFile(&$contents, &$ctrlDir, $path)
{
$data = implode('', $contents);
$dir = implode('', $ctrlDir);
$buffer = $data . $dir . $this->_ctrlDirEnd . pack('v', count($ctrlDir)) . pack('v', count($ctrlDir)) . pack('V', strlen($dir)) . pack('V', strlen($data)) . "";
if (MFile::write($path, $buffer) === false) {
return false;
} else {
return true;
}
}
