seeder-migration-issues
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RafficMohammed
220
vendor/zendframework/zend-validator/src/File/Extension.php
vendored
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220
vendor/zendframework/zend-validator/src/File/Extension.php
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<?php
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/**
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* Zend Framework (http://framework.zend.com/)
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*
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* @link http://github.com/zendframework/zf2 for the canonical source repository
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* @copyright Copyright (c) 2005-2015 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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namespace Zend\Validator\File;
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use Traversable;
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use Zend\Stdlib\ArrayUtils;
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use Zend\Validator\AbstractValidator;
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use Zend\Validator\Exception;
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/**
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* Validator for the file extension of a file
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*/
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class Extension extends AbstractValidator
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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_EXTENSION = 'fileExtensionFalse';
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const NOT_FOUND = 'fileExtensionNotFound';
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/**
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* @var array Error message templates
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*/
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protected $messageTemplates = [
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self::FALSE_EXTENSION => "File has an incorrect extension",
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self::NOT_FOUND => "File is not readable or does not exist",
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];
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/**
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* Options for this validator
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*
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* @var array
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*/
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protected $options = [
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'case' => false, // Validate case sensitive
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'extension' => '', // List of extensions
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];
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/**
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* @var array Error message template variables
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*/
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protected $messageVariables = [
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'extension' => ['options' => 'extension'],
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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|Traversable $options
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*/
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public function __construct($options = null)
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{
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if ($options instanceof Traversable) {
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$options = ArrayUtils::iteratorToArray($options);
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}
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$case = null;
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if (1 < func_num_args()) {
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$case = func_get_arg(1);
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}
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if (is_array($options)) {
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if (isset($options['case'])) {
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$case = $options['case'];
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unset($options['case']);
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}
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if (!array_key_exists('extension', $options)) {
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$options = ['extension' => $options];
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}
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} else {
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$options = ['extension' => $options];
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}
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if ($case !== null) {
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$options['case'] = $case;
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}
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parent::__construct($options);
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}
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/**
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* Returns the case option
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*
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* @return bool
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*/
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public function getCase()
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{
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return $this->options['case'];
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}
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/**
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* Sets the case to use
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*
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* @param bool $case
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* @return Extension Provides a fluent interface
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*/
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public function setCase($case)
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{
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$this->options['case'] = (bool) $case;
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return $this;
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}
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/**
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* Returns the set file extension
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*
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* @return array
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*/
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public function getExtension()
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{
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$extension = explode(',', $this->options['extension']);
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return $extension;
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}
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/**
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* Sets the file extensions
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*
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* @param string|array $extension The extensions to validate
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* @return Extension Provides a fluent interface
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*/
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public function setExtension($extension)
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{
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$this->options['extension'] = null;
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$this->addExtension($extension);
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return $this;
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}
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/**
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* Adds the file extensions
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*
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* @param string|array $extension The extensions to add for validation
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* @return Extension Provides a fluent interface
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*/
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public function addExtension($extension)
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{
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$extensions = $this->getExtension();
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if (is_string($extension)) {
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$extension = explode(',', $extension);
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}
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foreach ($extension as $content) {
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if (empty($content) || !is_string($content)) {
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continue;
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}
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$extensions[] = trim($content);
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}
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$extensions = array_unique($extensions);
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// Sanity check to ensure no empty values
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foreach ($extensions as $key => $ext) {
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if (empty($ext)) {
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unset($extensions[$key]);
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}
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}
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$this->options['extension'] = implode(',', $extensions);
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return $this;
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}
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/**
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* Returns true if and only if the file extension of $value is included in the
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* set extension list
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*
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* @param string|array $value Real file to check for extension
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* @param array $file File data from \Zend\File\Transfer\Transfer (optional)
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* @return bool
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*/
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public function isValid($value, $file = null)
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{
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if (is_string($value) && is_array($file)) {
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// Legacy Zend\Transfer API support
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$filename = $file['name'];
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$file = $file['tmp_name'];
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} elseif (is_array($value)) {
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if (!isset($value['tmp_name']) || !isset($value['name'])) {
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throw new Exception\InvalidArgumentException(
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'Value array must be in $_FILES format'
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);
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}
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$file = $value['tmp_name'];
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$filename = $value['name'];
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} else {
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$file = $value;
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$filename = basename($file);
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}
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$this->setValue($filename);
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// Is file readable ?
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if (empty($file) || false === stream_resolve_include_path($file)) {
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$this->error(self::NOT_FOUND);
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return false;
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}
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$extension = substr($filename, strrpos($filename, '.') + 1);
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$extensions = $this->getExtension();
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if ($this->getCase() && (in_array($extension, $extensions))) {
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return true;
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} elseif (!$this->getCase()) {
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foreach ($extensions as $ext) {
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if (strtolower($ext) == strtolower($extension)) {
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return true;
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}
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}
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}
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$this->error(self::FALSE_EXTENSION);
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return false;
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}
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}
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