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<?php defined('BASEPATH') OR exit('No direct script access allowed');
/*
| __________________________________________________________________
| CODEIGNITER UNZIP LIBRARY
| __________________________________________________________________
| developed by Md. Mamun Khan Sabuj
| email <mamun.sabuj24@gmail.com>
| __________________________________________________________________
| HOW TO USE
| An example is given below
| __________________________________________________________________
|
| examples
| $this->load->library('unzip');
|
| $filePath = "your_directory/your_file.zip";
| $extarctTo = "destination_directory_to_extarct";
| $mode = true/false; true for delete the zip file after extract complete
|
| $this->unzip->extract($filePath, $extractTo, $mode);
| __________________________________________________________________
*/
class Unzip
{
protected $_status;
protected $_message;
protected $extension = array('zip','rar','gz');
public function extract($filePath = null, $extractTo = null, $mode = true, $overwrite = null)
{
if ($filePath && $extractTo) {
$ext = pathinfo($filePath)['extension'];
if ($this->_check_exists($filePath)) {
if ($this->_overwrite($filePath, $overwrite)) {
if ($this->_extension($ext)) {
if ($this->_writeable($extractTo)) {
switch ($ext) {
case 'zip':
$this->_zip($filePath, $extractTo);
break;
case 'rar':
$this->_rar($filePath, $extractTo);
break;
case 'gz':
$this->_gz($filePath, $extractTo);
break;
}
} else {
$this->_status = false;
$this->_message = "Directory not writeable by webserver";
}
} else {
$this->_status = false;
$this->_message = "Invalid file extension!";
}
} else {
$this->_status = false;
$this->_message = "This module already exists / installed!.";
}
} else {
$this->_status = false;
$this->_message = "Uninstall / delete before re-installing the module.";
}
} else {
$this->_status = false;
$this->_message = "You did not select a file";
}
$this->_delete($filePath, $mode);
return (object)array(
'status' => $this->_status,
'message' => $this->_message
);
}
private function _extension($ext)
{
if (in_array($ext, $this->extension)) {
return true;
} else {
return false;
}
}
private function _writeable($extractTo)
{
if (is_writable($extractTo)) {
return true;
} else {
return false;
}
}
private function _delete($filePath, $mode)
{
if ($mode) {
@unlink($filePath);
return true;
} else {
return false;
}
}
private function _overwrite($filePath, $overwrite)
{
$filePath = pathinfo($filePath);
$filePath = $filePath['dirname']. '/' .$filePath['filename'];
if ($overwrite) {
$this->_delete_module($filePath);
return true;
} else {
if (is_dir($filePath)) {
return false;
} else {
$this->_delete_module($filePath);
return true;
}
}
}
private function _check_exists($filePath)
{
$filePath = pathinfo($filePath);
$filePath = $filePath['dirname']. '/' .$filePath['filename'];
if (file_exists($filePath.'/assets/data/env')) {
return false;
} else {
return true;
}
}
public function _delete_module($dirPath = null)
{
$basePath = 'application/modules/';
if (is_dir($dirPath) && $dirPath != $basePath) {
if ($this->_delete_dir($dirPath)) {
return true;
} else {
return false;
}
} else if (is_file($dirPath) && $dirPath != $basePath) {
if (unlink($dirPath)) {
return true;
} else {
return false;
}
} else {
return false;
}
}
public function _delete_dir($dirPath) {
$dir = opendir($dirPath);
while(false !== ( $file = readdir($dir)) ) {
if (( $file != '.' ) && ( $file != '..' )) {
if ( is_dir($dirPath . '/' . $file) ) {
$this->_delete_dir($dirPath . '/' . $file);
}
else {
unlink($dirPath . '/' . $file);
}
}
}
closedir($dir);
rmdir($dirPath);
return true;
}
private function _zip($filePath, $extractTo)
{
if (class_exists('ZipArchive')) {
$zip = new ZipArchive;
$zipRes = $zip->open($filePath);
if ($zipRes === true) {
$zip->extractTo($extractTo);
$zip->close();
$this->_status = true;
$this->_message = "Extract successfully!";
} else {
$this->_status = false;
$this->_message = "Error Occurs!";
}
} else {
$this->status = false;
$this->_message = "Your PHP version does not support unzip functionality.";
}
}
private function _rar($filePath, $extractTo)
{
if (class_exists('RarArchive')) {
if ($rar = RarArchive::open($filePath)) {
$entries = $rar->getEntries();
foreach ($entries as $entry) {
$entry->extract($destination);
}
$rar->close();
$this->_status = true;
$this->_message = "Extract successfully!";
}
} else {
$this->_status = false;
$this->_message = 'Your PHP version does not support .rar archive functionality. <a class="info" href="http://php.net/manual/en/rar.installation.php" target="_blank">How to install RarArchive</a>';
}
}
private function _gz($filePath, $extractTo)
{
if (class_exists("gzopen")) {
$filename = pathinfo($filePath, PATHINFO_FILENAME);
$gzipped = gzopen($filePath, "rb");
$file = fopen($filename, "w");
while ($string = gzread($gzipped, 4096)) {
fwrite($file, $string, strlen($string));
}
gzclose($gzipped);
fclose($file);
$this->_status = true;
$this->_message = "Extract successfully!";
} else {
$this->_status = false;
$this->_message = "Your PHP has no zlib support enabled.";
}
}
}