/DevApp/library/ServerLibraries/ZendFramework/1.7/library/Zend/Validate/File/Extension.php
PHP | 234 lines | 104 code | 28 blank | 102 comment | 17 complexity | 8bafbd2e04351cbe06e8419696bcbea2 MD5 | raw file
Possible License(s): BSD-3-Clause, LGPL-2.0, MIT, Apache-2.0
- <?php
- /**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to the new BSD license that is bundled
- * with this package in the file LICENSE.txt.
- * It is also available through the world-wide-web at this URL:
- * http://framework.zend.com/license/new-bsd
- * 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 license@zend.com so we can send you a copy immediately.
- *
- * @category Zend
- * @package Zend_Validate
- * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- * @version $Id: $
- */
- /**
- * @see Zend_Validate_Abstract
- */
- require_once 'Zend/Validate/Abstract.php';
- /**
- * Validator for the file extension of a file
- *
- * @category Zend
- * @package Zend_Validate
- * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- class Zend_Validate_File_Extension extends Zend_Validate_Abstract
- {
- /**
- * @const string Error constants
- */
- const FALSE_EXTENSION = 'fileExtensionFalse';
- const NOT_FOUND = 'fileExtensionNotFound';
- /**
- * @var array Error message templates
- */
- protected $_messageTemplates = array(
- self::FALSE_EXTENSION => "The file '%value%' has a false extension",
- self::NOT_FOUND => "The file '%value%' was not found"
- );
- /**
- * Internal list of extensions
- * @var string
- */
- protected $_extension = '';
- /**
- * Validate case sensitive
- *
- * @var boolean
- */
- protected $_case = false;
- /**
- * @var array Error message template variables
- */
- protected $_messageVariables = array(
- 'extension' => '_extension'
- );
- /**
- * Sets validator options
- *
- * @param string|array $extension
- * @param boolean $case If true validation is done case sensitive
- * @return void
- */
- public function __construct($options)
- {
- if ($options instanceof Zend_Config) {
- $options = $options->toArray();
- }
- if (1 < func_num_args()) {
- trigger_error('Multiple arguments to constructor are deprecated in favor of options array', E_USER_NOTICE);
- $case = func_get_arg(1);
- $this->setCase($case);
- }
- if (is_array($options) and isset($options['case'])) {
- $this->setCase($options['case']);
- unset($options['case']);
- }
- $this->setExtension($options);
- }
- /**
- * Returns the case option
- *
- * @return boolean
- */
- public function getCase()
- {
- return $this->_case;
- }
- /**
- * Sets the case to use
- *
- * @param boolean $case
- * @return Zend_Validate_File_Extension Provides a fluent interface
- */
- public function setCase($case)
- {
- $this->_case = (boolean) $case;
- return $this;
- }
- /**
- * Returns the set file extension
- *
- * @return array
- */
- public function getExtension()
- {
- $extension = explode(',', $this->_extension);
- return $extension;
- }
- /**
- * Sets the file extensions
- *
- * @param string|array $extension The extensions to validate
- * @return Zend_Validate_File_Extension Provides a fluent interface
- */
- public function setExtension($extension)
- {
- $this->_extension = null;
- $this->addExtension($extension);
- return $this;
- }
- /**
- * Adds the file extensions
- *
- * @param string|array $extension The extensions to add for validation
- * @return Zend_Validate_File_Extension Provides a fluent interface
- */
- public function addExtension($extension)
- {
- $extensions = $this->getExtension();
- if (is_string($extension)) {
- $extension = explode(',', $extension);
- }
- foreach ($extension as $content) {
- if (empty($content) || !is_string($content)) {
- continue;
- }
- $extensions[] = trim($content);
- }
- $extensions = array_unique($extensions);
- // Sanity check to ensure no empty values
- foreach ($extensions as $key => $ext) {
- if (empty($ext)) {
- unset($extensions[$key]);
- }
- }
- $this->_extension = implode(',', $extensions);
- return $this;
- }
- /**
- * Defined by Zend_Validate_Interface
- *
- * Returns true if and only if the fileextension of $value is included in the
- * set extension list
- *
- * @param string $value Real file to check for extension
- * @param array $file File data from Zend_File_Transfer
- * @return boolean
- */
- public function isValid($value, $file = null)
- {
- // Is file readable ?
- require_once 'Zend/Loader.php';
- if (!Zend_Loader::isReadable($value)) {
- return $this->_throw($file, self::NOT_FOUND);
- }
- if ($file !== null) {
- $info['extension'] = substr($file['name'], strrpos($file['name'], '.') + 1);
- } else {
- $info = pathinfo($value);
- }
- $extensions = $this->getExtension();
- if ($this->_case && (in_array($info['extension'], $extensions))) {
- return true;
- } else if (!$this->getCase()) {
- foreach ($extensions as $extension) {
- if (strtolower($extension) == strtolower($info['extension'])) {
- return true;
- }
- }
- }
- return $this->_throw($file, self::FALSE_EXTENSION);
- }
- /**
- * Throws an error of the given type
- *
- * @param string $file
- * @param string $errorType
- * @return false
- */
- protected function _throw($file, $errorType)
- {
- if (null !== $file) {
- $this->_value = $file['name'];
- }
- $this->_error($errorType);
- return false;
- }
- }