106 Zeilen
3 KiB
PHP
106 Zeilen
3 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Filter
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Filter_Encrypt
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*/
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require_once 'Zend/Filter/Encrypt.php';
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/**
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* Encrypts a given file and stores the encrypted file content
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*
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* @category Zend
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* @package Zend_Filter
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Filter_File_Encrypt extends Zend_Filter_Encrypt
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{
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/**
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* New filename to set
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*
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* @var string
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*/
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protected $_filename;
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/**
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* Returns the new filename where the content will be stored
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*
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* @return string
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*/
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public function getFilename()
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{
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return $this->_filename;
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}
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/**
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* Sets the new filename where the content will be stored
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*
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* @param string $filename (Optional) New filename to set
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* @return Zend_Filter_File_Encryt
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*/
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public function setFilename($filename = null)
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{
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$this->_filename = $filename;
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return $this;
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}
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/**
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* Defined by Zend_Filter_Interface
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*
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* Encrypts the file $value with the defined settings
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*
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* @param string $value Full path of file to change
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* @return string The filename which has been set, or false when there were errors
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*/
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public function filter($value)
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{
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if (!file_exists($value)) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception("File '$value' not found");
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}
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if (!isset($this->_filename)) {
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$this->_filename = $value;
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}
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if (file_exists($this->_filename) and !is_writable($this->_filename)) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception("File '{$this->_filename}' is not writable");
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}
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$content = file_get_contents($value);
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if (!$content) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception("Problem while reading file '$value'");
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}
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$encrypted = parent::filter($content);
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$result = file_put_contents($this->_filename, $encrypted);
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if (!$result) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception("Problem while writing file '{$this->_filename}'");
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}
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return $this->_filename;
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}
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}
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