ExcludeMimeType.php

Go to the documentation of this file.

<?php
#require_once 'Zend/Validate/File/MimeType.php';

class Zend_Validate_File_ExcludeMimeType extends Zend_Validate_File_MimeType
{
    const FALSE_TYPE   = 'fileExcludeMimeTypeFalse';
    const NOT_DETECTED = 'fileExcludeMimeTypeNotDetected';
    const NOT_READABLE = 'fileExcludeMimeTypeNotReadable';

    protected $_messageTemplates = array(
        self::FALSE_TYPE   => "File '%value%' has a false mimetype of '%type%'",
        self::NOT_DETECTED => "The mimetype of file '%value%' could not be detected",
        self::NOT_READABLE => "File '%value%' is not readable or does not exist",
    );

    public function isValid($value, $file = null)
    {
        if ($file === null) {
            $file = array(
                'type' => null,
                'name' => $value
            );
        }

        // Is file readable ?
        #require_once 'Zend/Loader.php';
        if (!Zend_Loader::isReadable($value)) {
            return $this->_throw($file, self::NOT_READABLE);
        }

        $this->_type = $this->_detectMimeType($value);

        if (empty($this->_type) && $this->_headerCheck) {
            $this->_type = $file['type'];
        }

        if (empty($this->_type)) {
            return $this->_throw($file, self::NOT_DETECTED);
        }

        $mimetype = $this->getMimeType(true);
        if (in_array($this->_type, $mimetype)) {
            return $this->_throw($file, self::FALSE_TYPE);
        }

        $types = explode('/', $this->_type);
        $types = array_merge($types, explode('-', $this->_type));
        foreach($mimetype as $mime) {
            if (in_array($mime, $types)) {
                return $this->_throw($file, self::FALSE_TYPE);
            }
        }

        return true;
    }
}