141 lines
4.7 KiB
PHP
141 lines
4.7 KiB
PHP
<?php namespace Tps\Shops\Classes;
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/**
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* Class Extractor
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*
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* Extract a archive (zip/gzip/rar) file.
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*
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* @author niceshipest
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*
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*/
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class Extractor{
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/**
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* Checks file extension and calls suitable extractor functions.
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*
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* @param $archive
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* @param $destination
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*/
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public static function extract($archive, $destination){
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$ext = pathinfo($archive, PATHINFO_EXTENSION);
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switch ($ext){
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case 'zip':
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$res = self::extractZipArchive($archive, $destination);
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break;
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case 'gz':
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$res = self::extractGzipFile($archive, $destination);
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break;
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case 'rar':
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$res = self::extractRarArchive($archive, $destination);
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break;
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}
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return $res;
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}
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/**
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* Decompress/extract a zip archive using ZipArchive.
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*
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* @param $archive
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* @param $destination
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*/
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public static function extractZipArchive($archive, $destination){
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// Check if webserver supports unzipping.
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if(!class_exists('ZipArchive')){
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$GLOBALS['status'] = array('error' => 'Your PHP version does not support unzip functionality.');
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return false;
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}
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$zip = new \ZipArchive;
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// Check if archive is readable.
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if($zip->open($archive) === TRUE){
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// Check if destination is writable
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if(is_writeable($destination . '/')){
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$zip->extractTo($destination);
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$zip->close();
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$GLOBALS['status'] = array('success' => 'Files unzipped successfully');
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return true;
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}else{
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$GLOBALS['status'] = array('error' => 'Directory not writeable by webserver.');
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return false;
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}
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}else{
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$GLOBALS['status'] = array('error' => 'Cannot read .zip archive.');
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return false;
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}
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}
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/**
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* Decompress a .gz File.
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*
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* @param $archive
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* @param $destination
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*/
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public static function extractGzipFile($archive, $destination){
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// Check if zlib is enabled
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if(!function_exists('gzopen')){
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$GLOBALS['status'] = array('error' => 'Error: Your PHP has no zlib support enabled.');
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return false;
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}
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$filename = pathinfo($archive, PATHINFO_FILENAME);
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$gzipped = gzopen($archive, "rb");
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$file = fopen($filename, "w");
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while ($string = gzread($gzipped, 4096)) {
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fwrite($file, $string, strlen($string));
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}
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gzclose($gzipped);
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fclose($file);
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// Check if file was extracted.
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if(file_exists($destination.'/'.$filename)){
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$GLOBALS['status'] = array('success' => 'File unzipped successfully.');
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return true;
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}else{
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$GLOBALS['status'] = array('error' => 'Error unzipping file.');
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return false;
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}
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}
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/**
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* Decompress/extract a Rar archive using RarArchive.
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*
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* @param $archive
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* @param $destination
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*/
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public static function extractRarArchive($archive, $destination){
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// Check if webserver supports unzipping.
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if(!class_exists('RarArchive')){
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$GLOBALS['status'] = array('error' => 'Your PHP version does not support .rar archive functionality.');
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return false;
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}
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// Check if archive is readable.
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if($rar = \RarArchive::open($archive)){
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// Check if destination is writable
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if (is_writeable($destination . '/')) {
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$entries = $rar->getEntries();
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foreach ($entries as $entry) {
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$entry->extract($destination);
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}
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$rar->close();
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$GLOBALS['status'] = array('success' => 'File extracted successfully.');
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return true;
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}else{
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$GLOBALS['status'] = array('error' => 'Directory not writeable by webserver.');
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return false;
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}
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}else{
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$GLOBALS['status'] = array('error' => 'Cannot read .rar archive.');
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return false;
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}
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}
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}
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?>
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