/
LSYii_ImageValidator.php
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/
LSYii_ImageValidator.php
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<?php if (!defined('BASEPATH')) {
exit('No direct script access allowed');
}
/*
* LimeSurvey
* Copyright (C) 2007-2011 The LimeSurvey Project Team / Carsten Schmitz
* All rights reserved.
* License: GNU/GPL License v2 or later, see LICENSE.php
* LimeSurvey is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*
*/
class LSYii_ImageValidator
{
/**
* A function to validate images,
* This don't validate file : must validate if file exist before.
*
* @param array|string $file Either array with keys 'tmp_name' and 'type' or full file path
* @return array
*/
public static function validateImage($file)
{
if (is_array($file)) {
$path = $file['tmp_name'];
$extension = pathinfo($file['name'], PATHINFO_EXTENSION);
$type = $file['type'];
} elseif (is_string($file)) {
$parts = explode('.', $file);
$path = $file;
$extension = pathinfo($file, PATHINFO_EXTENSION);
$type = 'image/' . $extension;
} else {
return [
// No translation ? send $file ?
'uploadresult' => 'Internal error: $file is not array or string',
'check' => false
];
}
/** @var array<string, mixed> */
$result =[];
/** @var ?? */
$checkImage = CFileHelper::getMimeType($path);
$result['debug'] = $checkImage;
// TODO: Why hard-coded?
/** @var string[] */
$allowedImageFormats = array(
"image/png",
"image/jpg",
"image/jpeg",
"image/ico",
"image/gif",
"image/svg+xml",
"image/x-icon",
"image/svg",
"image/vnd.microsoft.icon"
);
if (!empty($checkImage)
&& in_array($extension,explode(",",Yii::app()->getConfig('allowedthemeimageformats')))
&& in_array($checkImage, $allowedImageFormats)
&& in_array(strtolower($type), $allowedImageFormats)) {
$result['uploadresult'] = '';
$result['check'] = true;
} else {
$result['uploadresult'] = gT("This file is not a supported image - please only upload JPG,PNG,GIF or SVG type images.");
$result['check'] = false;
}
return $result;
}
}