ok
Mini Shell
<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Validator\File;
use Traversable;
use Zend\Stdlib\ArrayUtils;
use Zend\Validator\AbstractValidator;
use Zend\Validator\File\FileInformationTrait;
use Zend\Validator\Exception;
/**
* Validator for the file extension of a file
*/
class Extension extends AbstractValidator
{
use FileInformationTrait;
/**
* @const string Error constants
*/
const FALSE_EXTENSION = 'fileExtensionFalse';
const NOT_FOUND = 'fileExtensionNotFound';
/**
* @var array Error message templates
*/
protected $messageTemplates = [
self::FALSE_EXTENSION => "File has an incorrect extension",
self::NOT_FOUND => "File is not readable or does not exist",
];
/**
* Options for this validator
*
* @var array
*/
protected $options = [
'case' => false, // Validate case sensitive
'extension' => '', // List of extensions
'allowNonExistentFile' => false, // Allow validation even if file does not exist
];
/**
* @var array Error message template variables
*/
protected $messageVariables = [
'extension' => ['options' => 'extension'],
];
/**
* Sets validator options
*
* @param string|array|Traversable $options
*/
public function __construct($options = null)
{
if ($options instanceof Traversable) {
$options = ArrayUtils::iteratorToArray($options);
}
$case = null;
if (1 < func_num_args()) {
$case = func_get_arg(1);
}
if (is_array($options)) {
if (isset($options['case'])) {
$case = $options['case'];
unset($options['case']);
}
if (! array_key_exists('extension', $options)) {
$options = ['extension' => $options];
}
} else {
$options = ['extension' => $options];
}
if ($case !== null) {
$options['case'] = $case;
}
parent::__construct($options);
}
/**
* Returns the case option
*
* @return bool
*/
public function getCase()
{
return $this->options['case'];
}
/**
* Sets the case to use
*
* @param bool $case
* @return self Provides a fluent interface
*/
public function setCase($case)
{
$this->options['case'] = (bool) $case;
return $this;
}
/**
* Returns the set file extension
*
* @return array
*/
public function getExtension()
{
$extension = explode(',', $this->options['extension']);
return $extension;
}
/**
* Sets the file extensions
*
* @param string|array $extension The extensions to validate
* @return self Provides a fluent interface
*/
public function setExtension($extension)
{
$this->options['extension'] = null;
$this->addExtension($extension);
return $this;
}
/**
* Adds the file extensions
*
* @param string|array $extension The extensions to add for validation
* @return self Provides a fluent interface
*/
public function addExtension($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->options['extension'] = implode(',', $extensions);
return $this;
}
/**
* Returns whether or not to allow validation of non-existent files.
*
* @return bool
*/
public function getAllowNonExistentFile()
{
return $this->options['allowNonExistentFile'];
}
/**
* Sets the flag indicating whether or not to allow validation of non-existent files.
*
* @param bool $flag Whether or not to allow validation of non-existent files.
* @return self Provides a fluent interface
*/
public function setAllowNonExistentFile($flag)
{
$this->options['allowNonExistentFile'] = (bool) $flag;
return $this;
}
/**
* Returns true if and only if the file extension of $value is included in the
* set extension list
*
* @param string|array $value Real file to check for extension
* @param array $file File data from \Zend\File\Transfer\Transfer (optional)
* @return bool
*/
public function isValid($value, $file = null)
{
$fileInfo = $this->getFileInfo($value, $file);
// Is file readable ?
if (! $this->getAllowNonExistentFile()
&& (empty($fileInfo['file']) || false === is_readable($fileInfo['file']))
) {
$this->error(self::NOT_FOUND);
return false;
}
$this->setValue($fileInfo['filename']);
$extension = substr($fileInfo['filename'], strrpos($fileInfo['filename'], '.') + 1);
$extensions = $this->getExtension();
if ($this->getCase() && (in_array($extension, $extensions))) {
return true;
} elseif (! $this->getCase()) {
foreach ($extensions as $ext) {
if (strtolower($ext) == strtolower($extension)) {
return true;
}
}
}
$this->error(self::FALSE_EXTENSION);
return false;
}
}
Zerion Mini Shell 1.0