/**
* @param string $tar_filename
* @param string $tar_dir
* @param string $filename
* @return bool
*/
private function _archive($tar_filename, $tar_dir, $filename)
{
//Archive the backup to DIR_BACKUP, delete tmp files in directory $this->backup_dir
//And create record in the database for created archive.
//generate errors: No space on device (log to message as error too), No permissons, Others
//return Success or failed.
$command = 'tar -C ' . $tar_dir . ' -czvf ' . $tar_filename . ' ' . $filename . ' > /dev/null';
if (isFunctionAvailable('system')) {
system($command, $exit_code);
} else {
$exit_code = 1;
}
if ($exit_code) {
$this->load->library('targz');
$targz = new Atargz();
$targz->makeTar($tar_dir . $filename, $tar_filename);
}
if (!file_exists($tar_filename)) {
$this->processError('Archive error', 'Error: cannot to pack ' . $tar_filename . "\n Exit code:" . $exit_code);
return false;
}
@chmod($tar_filename, 0777);
$this->_removeDir($tar_dir . $filename);
return true;
}
/**
* @param string $tar_filename
* @param string $dst_dir
* @return boolean
*/
public function unpack($tar_filename, $dst_dir)
{
if (!file_exists($tar_filename)) {
$this->error = 'Error: Can\'t unpack file "' . $tar_filename . '" because it does not exists.';
$error = new AError($this->error);
$error->toLog()->toDebug();
return false;
}
if (!file_exists($dst_dir) || !is_dir($dst_dir)) {
$this->error = 'Error: Can\'t unpack file "' . $tar_filename . '" because destination directory "' . $dst_dir . '" does not exists.';
$error = new AError($this->error);
$error->toLog()->toDebug();
return false;
}
if (!is_writable($dst_dir)) {
$this->error = 'Error: Can\'t unpack file "' . $tar_filename . '" because destination directory "' . $dst_dir . '" have no write permission.';
$error = new AError($this->error);
$error->toLog()->toDebug();
return false;
}
$command = 'tar -C ' . $dst_dir . ' -xzvf ' . $tar_filename . ' > /dev/null';
if (isFunctionAvailable('system')) {
system($command, $exit_code);
} else {
$exit_code = 1;
}
if ($exit_code) {
if (class_exists('PharData')) {
//remove destination folder first
$this->removeDir($dst_dir . $this->session->data['package_info']['tmp_dir']);
try {
$phar = new PharData($tar_filename);
$phar->extractTo($dst_dir);
} catch (Exception $e) {
}
} else {
$this->load->library('targz');
$targz = new Atargz();
$targz->extractTar($tar_filename, $dst_dir);
}
}
$this->chmod_R($dst_dir . $this->session->data['package_info']['tmp_dir'], 0777, 0777);
return true;
}