134 lines
4.2 KiB
PHP
134 lines
4.2 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_Validate
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* @copyright Copyright (c) 2005-2009 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: IsCompressed.php 16971 2009-07-22 18:05:45Z mikaelkael $
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*/
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/**
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* @see Zend_Validate_File_MimeType
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*/
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require_once 'Zend/Validate/File/MimeType.php';
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/**
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* Validator which checks if the file already exists in the directory
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*
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2009 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_Validate_File_IsCompressed extends Zend_Validate_File_MimeType
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{
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/**
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* @const string Error constants
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*/
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const FALSE_TYPE = 'fileIsCompressedFalseType';
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const NOT_DETECTED = 'fileIsCompressedNotDetected';
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const NOT_READABLE = 'fileIsCompressedNotReadable';
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/**
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* @var array Error message templates
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*/
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protected $_messageTemplates = array(
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self::FALSE_TYPE => "The file '%value%' is not compressed, '%type%' detected",
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self::NOT_DETECTED => "The mimetype of file '%value%' has not been detected",
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self::NOT_READABLE => "The file '%value%' can not be read"
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);
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/**
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* Sets validator options
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*
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* @param string|array $compression
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* @return void
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*/
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public function __construct($mimetype = array())
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{
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if (empty($mimetype)) {
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$mimetype = array(
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'application/x-tar',
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'application/x-cpio',
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'application/x-debian-package',
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'application/x-archive',
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'application/x-arc',
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'application/x-arj',
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'application/x-lharc',
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'application/x-lha',
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'application/x-rar',
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'application/zip',
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'application/zoo',
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'application/x-eet',
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'application/x-java-pack200',
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'application/x-compress',
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'application/x-gzip',
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'application/x-bzip2'
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);
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}
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$this->setMimeType($mimetype);
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}
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/**
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* Defined by Zend_Validate_Interface
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*
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* Returns true if and only if the file is compression with the set compression types
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*
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* @param string $value Real file to check for compression
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* @param array $file File data from Zend_File_Transfer
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* @return boolean
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*/
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public function isValid($value, $file = null)
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{
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// Is file readable ?
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require_once 'Zend/Loader.php';
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if (!Zend_Loader::isReadable($value)) {
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return $this->_throw($file, self::NOT_READABLE);
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}
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if ($file !== null) {
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if (class_exists('finfo', false) && defined('MAGIC')) {
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$mime = new finfo(FILEINFO_MIME);
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$this->_type = $mime->file($value);
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unset($mime);
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} elseif (function_exists('mime_content_type') && ini_get('mime_magic.magicfile')) {
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$this->_type = mime_content_type($value);
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} else {
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$this->_type = $file['type'];
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}
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}
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if (empty($this->_type)) {
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return $this->_throw($file, self::NOT_DETECTED);
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}
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$compressions = $this->getMimeType(true);
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if (in_array($this->_type, $compressions)) {
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return true;
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}
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$types = explode('/', $this->_type);
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$types = array_merge($types, explode('-', $this->_type));
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foreach ($compressions as $mime) {
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if (in_array($mime, $types)) {
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return true;
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}
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}
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return $this->_throw($file, self::FALSE_TYPE);
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}
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}
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