/**
* Extract a Bzip2 compressed file to a given path
*
* @param string $archive Path to Bzip2 archive to extract
* @param string $destination Path to extract archive to
*
* @return boolean True if successful
*
* @since 1.0
* @throws \RuntimeException
*/
public function extract($archive, $destination)
{
$this->data = null;
if (!isset($this->options['use_streams']) || $this->options['use_streams'] == false) {
// Old style: read the whole file and then parse it
$this->data = file_get_contents($archive);
if (!$this->data) {
throw new \RuntimeException('Unable to read archive');
}
$buffer = bzdecompress($this->data);
unset($this->data);
if (empty($buffer)) {
throw new \RuntimeException('Unable to decompress data');
}
if (File::write($destination, $buffer) === false) {
throw new \RuntimeException('Unable to write archive');
}
} else {
// New style! streams!
$input = Stream::getStream();
// Use bzip
$input->set('processingmethod', 'bz');
if (!$input->open($archive)) {
throw new \RuntimeException('Unable to read archive (bz2)');
}
$output = Stream::getStream();
if (!$output->open($destination, 'w')) {
$input->close();
throw new \RuntimeException('Unable to write archive (bz2)');
}
do {
$this->data = $input->read($input->get('chunksize', 8196));
if ($this->data) {
if (!$output->write($this->data)) {
$input->close();
throw new \RuntimeException('Unable to write archive (bz2)');
}
}
} while ($this->data);
$output->close();
$input->close();
}
return true;
}
/**
* Moves a folder.
*
* @param string $src The path to the source folder.
* @param string $dest The path to the destination folder.
* @param string $path An optional base path to prefix to the file names.
* @param boolean $use_streams Optionally use streams.
*
* @return mixed Error message on false or boolean true on success.
*
* @since 1.0
*/
public static function move($src, $dest, $path = '', $use_streams = false)
{
if ($path) {
$src = Path::clean($path . '/' . $src);
$dest = Path::clean($path . '/' . $dest);
}
if (!is_dir(Path::clean($src))) {
return 'Cannot find source folder';
}
if (is_dir(Path::clean($dest))) {
return 'Folder already exists';
}
if ($use_streams) {
$stream = Stream::getStream();
if (!$stream->move($src, $dest)) {
return 'Rename failed: ' . $stream->getError();
}
return true;
} else {
if (!@rename($src, $dest)) {
return 'Rename failed';
}
return true;
}
}
/**
* Moves an uploaded file to a destination folder
*
* @param string $src The name of the php (temporary) uploaded file
* @param string $dest The path (including filename) to move the uploaded file to
* @param boolean $use_streams True to use streams
*
* @return boolean True on success
*
* @since 1.0
* @throws FilesystemException
*/
public static function upload($src, $dest, $use_streams = false)
{
// Ensure that the path is valid and clean
$dest = Path::clean($dest);
// Create the destination directory if it does not exist
$baseDir = dirname($dest);
if (!file_exists($baseDir)) {
Folder::create($baseDir);
}
if ($use_streams) {
$stream = Stream::getStream();
if (!$stream->upload($src, $dest)) {
throw new FilesystemException(__METHOD__ . ': ' . $stream->getError());
}
return true;
} else {
if (is_writeable($baseDir) && move_uploaded_file($src, $dest)) {
// Short circuit to prevent file permission errors
if (Path::setPermissions($dest)) {
return true;
} else {
throw new FilesystemException(__METHOD__ . ': Failed to change file permissions.');
}
} else {
throw new FilesystemException(__METHOD__ . ': Failed to move file.');
}
return false;
}
}
/**
* Tests getStream()
*
* @return void
*/
public function testGetStream()
{
$this->object = Stream::getStream();
$this->assertInstanceOf('Joomla\\Filesystem\\Stream', $this->object, 'getStream must return an instance of Joomla\\Filesystem\\Stream');
}
/**
* Extract a Gzip compressed file to a given path
*
* @param string $archive Path to ZIP archive to extract
* @param string $destination Path to extract archive to
*
* @return boolean True if successful
*
* @since 1.0
* @throws \RuntimeException
*/
public function extract($archive, $destination)
{
$this->data = null;
if (!isset($this->options['use_streams']) || $this->options['use_streams'] == false) {
$this->data = file_get_contents($archive);
if (!$this->data) {
throw new \RuntimeException('Unable to read archive');
}
$position = $this->getFilePosition();
$buffer = gzinflate(substr($this->data, $position, strlen($this->data) - $position));
if (empty($buffer)) {
throw new \RuntimeException('Unable to decompress data');
}
if (File::write($destination, $buffer) === false) {
throw new \RuntimeException('Unable to write archive');
}
} else {
// New style! streams!
$input = Stream::getStream();
// Use gz
$input->set('processingmethod', 'gz');
if (!$input->open($archive)) {
throw new \RuntimeException('Unable to read archive (gz)');
}
$output = Stream::getStream();
if (!$output->open($destination, 'w')) {
$input->close();
throw new \RuntimeException('Unable to write archive (gz)');
}
do {
$this->data = $input->read($input->get('chunksize', 8196));
if ($this->data) {
if (!$output->write($this->data)) {
$input->close();
throw new \RuntimeException('Unable to write file (gz)');
}
}
} while ($this->data);
$output->close();
$input->close();
}
return true;
}
