Current File : /var/www/projetos/suporte.iigd.com.br/vendor/laminas/laminas-validator/src/File/ExcludeMimeType.php
<?php
namespace Laminas\Validator\File;
use function array_merge;
use function class_exists;
use function explode;
use function finfo_file;
use function finfo_open;
use function in_array;
use function is_readable;
use const FILEINFO_MIME_TYPE;
/**
* Validator for the mime type of a file
*/
class ExcludeMimeType extends MimeType
{
use FileInformationTrait;
public const FALSE_TYPE = 'fileExcludeMimeTypeFalse';
public const NOT_DETECTED = 'fileExcludeMimeTypeNotDetected';
public const NOT_READABLE = 'fileExcludeMimeTypeNotReadable';
/** @var array Error message templates */
protected $messageTemplates = [
self::FALSE_TYPE => "File has an incorrect mimetype of '%type%'",
self::NOT_DETECTED => 'The mimetype could not be detected from the file',
self::NOT_READABLE => 'File is not readable or does not exist',
];
/**
* Returns true if the mimetype of the file does not matche the given ones. Also parts
* of mimetypes can be checked. If you give for example "image" all image
* mime types will not be accepted like "image/gif", "image/jpeg" and so on.
*
* @param string|array $value Real file to check for mimetype
* @param array $file File data from \Laminas\File\Transfer\Transfer (optional)
* @return bool
*/
public function isValid($value, $file = null)
{
$fileInfo = $this->getFileInfo($value, $file, true);
$this->setValue($fileInfo['filename']);
// Is file readable ?
if (empty($fileInfo['file']) || false === is_readable($fileInfo['file'])) {
$this->error(self::NOT_READABLE);
return false;
}
$mimefile = $this->getMagicFile();
if (class_exists('finfo', false)) {
if (! $this->isMagicFileDisabled() && (! empty($mimefile) && empty($this->finfo))) {
$this->finfo = finfo_open(FILEINFO_MIME_TYPE, $mimefile);
}
if (empty($this->finfo)) {
$this->finfo = finfo_open(FILEINFO_MIME_TYPE);
}
$this->type = null;
if (! empty($this->finfo)) {
$this->type = finfo_file($this->finfo, $fileInfo['file']);
}
}
if (empty($this->type) && $this->getHeaderCheck()) {
$this->type = $fileInfo['filetype'];
}
if (empty($this->type)) {
$this->error(self::NOT_DETECTED);
return false;
}
$mimetype = $this->getMimeType(true);
if (in_array($this->type, $mimetype)) {
$this->error(self::FALSE_TYPE);
return false;
}
$types = explode('/', $this->type);
$types = array_merge($types, explode('-', $this->type));
$types = array_merge($types, explode(';', $this->type));
foreach ($mimetype as $mime) {
if (in_array($mime, $types)) {
$this->error(self::FALSE_TYPE);
return false;
}
}
return true;
}
}
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