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, $this->get('error.message'));
}
}
}
return true;
}
private function _extract($archive, $destination, $options)
{
// Initialise variables.
$this->_data = null;
$this->_metadata = null;
if (!extension_loaded('zlib')) {
$this->set('error.message', MText::_('MLIB_FILESYSTEM_ZIP_NOT_SUPPORTED'));
return false;
}
if (!($this->_data = MFile::read($archive))) {
$this->set('error.message', MText::_('MLIB_FILESYSTEM_ZIP_UNABLE_TO_READ'));
return false;
}
if (!$this->_readZipInfo($this->_data)) {
$this->set('error.message', MText::_('MLIB_FILESYSTEM_ZIP_INFO_FAILED'));
return false;
}
for ($i = 0, $n = count($this->_metadata); $i < $n; $i++) {
$lastPathCharacter = substr($this->_metadata[$i]['name'], -1, 1);
if ($lastPathCharacter !== '/' && $lastPathCharacter !== '\\') {
$buffer = $this->_getFileData($i);
$path = MPath::clean($destination . '/' . $this->_metadata[$i]['name']);
// Make sure the destination folder exists
if (!MFolder::create(dirname($path))) {
$this->set('error.message', MText::_('MLIB_FILESYSTEM_ZIP_UNABLE_TO_CREATE_DESTINATION'));
return false;
}
if (MFile::write($path, $buffer) === false) {
$this->set('error.message', MText::_('MLIB_FILESYSTEM_ZIP_UNABLE_TO_WRITE_ENTRY'));
return false;
}
}
}
return true;
}
public function extract($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();
$input->close();
}
return true;
}
public function loadFile($file, $format = 'JSON', $options = array())
{
// Get the contents of the file
mimport('framework.filesystem.file');
$data = MFile::read($file);
return $this->loadString($data, $format, $options);
}
