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-rw-r--r--system/libraries/Zip.php72
1 files changed, 46 insertions, 26 deletions
diff --git a/system/libraries/Zip.php b/system/libraries/Zip.php
index 62a84ae75..cee5d8d76 100644
--- a/system/libraries/Zip.php
+++ b/system/libraries/Zip.php
@@ -2,26 +2,37 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.2.4 or newer
+ * An open source application development framework for PHP
*
- * NOTICE OF LICENSE
+ * This content is released under the MIT License (MIT)
*
- * Licensed under the Open Software License version 3.0
+ * Copyright (c) 2014 - 2015, British Columbia Institute of Technology
*
- * This source file is subject to the Open Software License (OSL 3.0) that is
- * bundled with this package in the files license.txt / license.rst. It is
- * also available through the world wide web at this URL:
- * http://opensource.org/licenses/OSL-3.0
- * If you did not receive a copy of the license and are unable to obtain it
- * through the world wide web, please send an email to
- * licensing@ellislab.com so we can send you a copy immediately.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
*
- * @package CodeIgniter
- * @author EllisLab Dev Team
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
- * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
- * @link http://codeigniter.com
- * @since Version 1.0
+ * @copyright Copyright (c) 2014 - 2015, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link http://codeigniter.com
+ * @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
@@ -48,35 +59,35 @@ class CI_Zip {
*
* @var string
*/
- public $zipdata = '';
+ public $zipdata = '';
/**
* Zip data for a directory in string form
*
* @var string
*/
- public $directory = '';
+ public $directory = '';
/**
* Number of files/folder in zip file
*
* @var int
*/
- public $entries = 0;
+ public $entries = 0;
/**
* Number of files in zip
*
* @var int
*/
- public $file_num = 0;
+ public $file_num = 0;
/**
* relative offset of local header
*
* @var int
*/
- public $offset = 0;
+ public $offset = 0;
/**
* Reference to time at init
@@ -86,6 +97,15 @@ class CI_Zip {
public $now;
/**
+ * The level of compression
+ *
+ * Ranges from 0 to 9, with 9 being the highest level.
+ *
+ * @var int
+ */
+ public $compression_level = 2;
+
+ /**
* Initialize zip compression class
*
* @return void
@@ -237,7 +257,7 @@ class CI_Zip {
$uncompressed_size = strlen($data);
$crc32 = crc32($data);
- $gzdata = substr(gzcompress($data), 2, -4);
+ $gzdata = substr(gzcompress($data, $this->compression_level), 2, -4);
$compressed_size = strlen($gzdata);
$this->zipdata .=
@@ -453,11 +473,11 @@ class CI_Zip {
*/
public function clear_data()
{
- $this->zipdata = '';
- $this->directory = '';
- $this->entries = 0;
- $this->file_num = 0;
- $this->offset = 0;
+ $this->zipdata = '';
+ $this->directory = '';
+ $this->entries = 0;
+ $this->file_num = 0;
+ $this->offset = 0;
return $this;
}