<?php 

class Duplicator_Zip 

{

	protected $limit = DUPLICATOR_ZIP_FILE_POOL;

	protected $zipArchive;

	protected $rootFolder;

	protected $skipNames;

	protected $zipFilePath;

	private   $limitItems = 0;

	/**

	 *  DUPLICATOR ZIP

	 *  Creates the zip file

	 *

	 *  @param string $zipFilePath	The full path to the zip file that will be made

	 *  @param string $folderPath	The folder that will be zipped

	 *  @param string $sqlfilepath	The path to the database file to include in the package

	 */

	function __construct($zipFilePath, $folderPath, $sqlfilepath) {

		try 

		{

			duplicator_log("log:class.zip=>started");

			duplicator_log("archive this folder: {$folderPath}");

			duplicator_log("archive file name:   {$zipFilePath}");

			$this->zipArchive  = new ZipArchive();

			$this->zipFilePath = duplicator_safe_path($zipFilePath);

			$this->rootFolder  = rtrim(duplicator_safe_path($folderPath), '/');

			$this->skipNames   = $GLOBALS['duplicator_skip_ext-array'];

			$exts_list = implode(";", $this->skipNames);

			$path_list = implode(";", $GLOBALS['duplicator_bypass-array']);

			duplicator_log("filter file extensions: '{$exts_list}'");

			duplicator_log("filter directory paths: '{$path_list}'");

			if ($this->zipArchive->open($this->zipFilePath, ZIPARCHIVE::CREATE) === TRUE) {

				duplicator_log("zipArchive opened");

			} 

			else {

				$err = "cannot open <{$this->zipFilePath}>";

				duplicator_log($err);

				throw new Exception($err);

			}

			//Recursive Call

			$this->resursiveZip($this->rootFolder);

			//ADD SQL File

			$this->zipArchive->addFile($sqlfilepath, "database.sql");

			duplicator_log("archive info: " . print_r($this->zipArchive, true));

			duplicator_log("close returned: " . $this->zipArchive->close() . " (if null check your disk quota)" );

			duplicator_log("log:class.zip=>ended");

		} 

		catch(Exception $e) 

		{

			duplicator_log("log:class.zip=>runtime error: " . $e);

		}

	}

	function resursiveZip($directory)

	{

		try 

		{

			$folderPath = duplicator_safe_path($directory);

			if(!$dh = opendir($folderPath)) {

				return false;

			}

			//EXCLUDE: Snapshot directory

			if( strstr($folderPath, DUPLICATOR_SSDIR_PATH)) {

				return;

			}

			//EXCLUDE: Directory Exclusions List

			if ($GLOBALS['duplicator_bypass-array'] != null) {

				foreach ($GLOBALS['duplicator_bypass-array'] as $val) {

					if (duplicator_safe_path($val) == $folderPath) {

						duplicator_log("path filter found: {$val}", 2);

						return;

					}

				}

			}

			/* Legacy: Excludes empty diretories and files with no extention

			while (false !== ($file = @readdir($dh))) { 

				if ($file != '.' && $file != '..') { 

					$fullpath = "{$folderPath}/{$file}";

					if(is_dir($fullpath)) {

						duplicator_fcgi_flush();

						$this->resursiveZip($fullpath);

					}

					else if(is_file($fullpath) && is_readable($fullpath)) {

						//Check filter extensions

						if(!in_array(@pathinfo($fullpath, PATHINFO_EXTENSION), $this->skipNames)) {

							$localpath = str_replace($this->rootFolder, '', $folderPath);

							$localname = empty($localpath) ? '' : ltrim("{$localpath}/", '/');

							$this->zipArchive->addFile("{$folderPath}/{$file}", "{$localname}{$file}");

						}

					} 

					$this->limitItems++;

				}

			} */

			while (false !== ($file = @readdir($dh))) {

                 if ($file != '.' && $file != '..') {

                    $fullpath = "{$folderPath}/{$file}";

					$localpath = str_replace($this->rootFolder, '', $folderPath);

					$localname = empty($localpath) ? '' : ltrim("{$localpath}/", '/');

                     if(is_dir($fullpath)) {

                         duplicator_fcgi_flush();

 						 $this->zipArchive->addEmptyDir("{$localname}{$file}");

                         $this->resursiveZip($fullpath);

                     }

                     else if(is_file($fullpath) && is_readable($fullpath)) {

                         //Check filter extensions

                        $ext = @pathinfo($fullpath, PATHINFO_EXTENSION);

                        if($ext == '' || !in_array($ext, $this->skipNames)) {

							$this->zipArchive->addFile("{$folderPath}/{$file}", "{$localname}{$file}");

                        }

                     }

					 $this->limitItems++;

				}

			}

			//Check if were over our count

			if($this->limitItems > $this->limit) {

				duplicator_log("log:class.zip=>new open handle {$this->zipArchive->numFiles}");

				$this->zipArchive->close();

				$this->zipArchive->open($this->zipFilePath, ZIPARCHIVE::CREATE);

				$this->limitItems = 0;

				duplicator_fcgi_flush();

			}

			closedir($dh);

		} 

		catch(Exception $e) 

		{

			duplicator_log("log:class.zip=>runtime error: " . $e);

		}		

	}

}

?>