757 lines
18 KiB
PHP
757 lines
18 KiB
PHP
<?php
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/**
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* @author Tassos Marinos <info@tassos.gr>
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* @link https://www.tassos.gr
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* @copyright Copyright © 2024 Tassos All Rights Reserved
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* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
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* @credits https://github.com/codeigniter4/CodeIgniter4/blob/develop/app/Config/Mimes.php
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*/
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namespace NRFramework;
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// No direct access
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defined('_JEXEC') or die;
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class Mimes
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{
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/**
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* Map of extensions to mime types.
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*
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* @var array
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*/
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public static $mimes = [
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'hqx' => [
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'application/mac-binhex40',
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'application/mac-binhex',
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'application/x-binhex40',
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'application/x-mac-binhex40',
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],
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'cpt' => 'application/mac-compactpro',
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'csv' => [
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'text/csv',
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'text/x-comma-separated-values',
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'text/comma-separated-values',
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'application/vnd.ms-excel',
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'application/x-csv',
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'text/x-csv',
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'application/csv',
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'application/excel',
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'application/vnd.msexcel',
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'text/plain',
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],
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'bin' => [
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'application/macbinary',
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'application/mac-binary',
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'application/octet-stream',
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'application/x-binary',
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'application/x-macbinary',
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],
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'dms' => 'application/octet-stream',
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'lha' => 'application/octet-stream',
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'lzh' => 'application/octet-stream',
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'exe' => [
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'application/octet-stream',
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'application/x-msdownload',
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],
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'class' => 'application/octet-stream',
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'psd' => [
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'application/x-photoshop',
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'image/vnd.adobe.photoshop',
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],
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'so' => 'application/octet-stream',
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'sea' => 'application/octet-stream',
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'dll' => 'application/octet-stream',
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'oda' => 'application/oda',
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'pdf' => [
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'application/pdf',
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'application/force-download',
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'application/x-download',
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],
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'ai' => [
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'application/pdf',
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'application/postscript',
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],
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'eps' => 'application/postscript',
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'ps' => 'application/postscript',
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'smi' => 'application/smil',
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'smil' => 'application/smil',
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'mif' => 'application/vnd.mif',
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'xls' => [
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'application/vnd.ms-excel',
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'application/msexcel',
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'application/x-msexcel',
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'application/x-ms-excel',
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'application/x-excel',
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'application/x-dos_ms_excel',
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'application/xls',
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'application/x-xls',
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'application/excel',
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'application/download',
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'application/vnd.ms-office',
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'application/msword',
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],
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'ppt' => [
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'application/vnd.ms-powerpoint',
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'application/powerpoint',
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'application/vnd.ms-office',
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'application/msword',
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],
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'pptx' => [
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'application/vnd.openxmlformats-officedocument.presentationml.presentation',
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'application/x-zip',
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'application/zip',
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],
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'wbxml' => 'application/wbxml',
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'wmlc' => 'application/wmlc',
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'dcr' => 'application/x-director',
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'dir' => 'application/x-director',
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'dxr' => 'application/x-director',
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'dvi' => 'application/x-dvi',
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'gtar' => 'application/x-gtar',
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'gz' => 'application/x-gzip',
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'gzip' => 'application/x-gzip',
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'php' => [
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'application/x-php',
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'application/x-httpd-php',
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'application/php',
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'text/php',
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'text/x-php',
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'application/x-httpd-php-source',
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],
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'php4' => 'application/x-httpd-php',
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'php3' => 'application/x-httpd-php',
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'phtml' => 'application/x-httpd-php',
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'phps' => 'application/x-httpd-php-source',
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'js' => [
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'application/x-javascript',
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'text/plain',
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],
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'swf' => 'application/x-shockwave-flash',
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'sit' => 'application/x-stuffit',
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'tar' => 'application/x-tar',
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'tgz' => [
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'application/x-tar',
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'application/x-gzip-compressed',
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],
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'z' => 'application/x-compress',
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'xhtml' => 'application/xhtml+xml',
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'xht' => 'application/xhtml+xml',
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'zip' => [
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'application/x-zip',
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'application/zip',
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'application/x-zip-compressed',
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'application/s-compressed',
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'multipart/x-zip',
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],
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'rar' => [
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'application/vnd.rar',
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'application/x-rar',
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'application/rar',
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'application/x-rar-compressed',
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],
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'mid' => 'audio/midi',
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'midi' => 'audio/midi',
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'mpga' => 'audio/mpeg',
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'mp2' => 'audio/mpeg',
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'mp3' => [
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'audio/mpeg',
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'audio/mpg',
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'audio/mpeg3',
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'audio/mp3',
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],
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'aif' => [
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'audio/x-aiff',
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'audio/aiff',
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],
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'aiff' => [
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'audio/x-aiff',
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'audio/aiff',
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],
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'aifc' => 'audio/x-aiff',
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'ram' => 'audio/x-pn-realaudio',
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'rm' => 'audio/x-pn-realaudio',
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'rpm' => 'audio/x-pn-realaudio-plugin',
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'ra' => 'audio/x-realaudio',
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'rv' => 'video/vnd.rn-realvideo',
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'wav' => [
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'audio/x-wav',
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'audio/wave',
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'audio/wav',
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],
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'bmp' => [
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'image/bmp',
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'image/x-bmp',
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'image/x-bitmap',
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'image/x-xbitmap',
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'image/x-win-bitmap',
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'image/x-windows-bmp',
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'image/ms-bmp',
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'image/x-ms-bmp',
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'application/bmp',
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'application/x-bmp',
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'application/x-win-bitmap',
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],
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'gif' => 'image/gif',
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'jpg' => [
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'image/jpeg',
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'image/pjpeg',
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],
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'jpeg' => [
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'image/jpeg',
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'image/pjpeg',
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],
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'jpe' => [
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'image/jpeg',
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'image/pjpeg',
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],
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'jp2' => [
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'image/jp2',
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'video/mj2',
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'image/jpx',
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'image/jpm',
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],
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'j2k' => [
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'image/jp2',
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'video/mj2',
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'image/jpx',
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'image/jpm',
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],
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'jpf' => [
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'image/jp2',
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'video/mj2',
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'image/jpx',
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'image/jpm',
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],
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'jpg2' => [
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'image/jp2',
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'video/mj2',
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'image/jpx',
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'image/jpm',
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],
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'jpx' => [
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'image/jp2',
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'video/mj2',
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'image/jpx',
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'image/jpm',
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],
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'jpm' => [
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'image/jp2',
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'video/mj2',
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'image/jpx',
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'image/jpm',
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],
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'mj2' => [
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'image/jp2',
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'video/mj2',
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'image/jpx',
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'image/jpm',
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],
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'mjp2' => [
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'image/jp2',
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'video/mj2',
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'image/jpx',
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'image/jpm',
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],
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'png' => [
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'image/png',
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'image/x-png',
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],
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'tif' => 'image/tiff',
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'tiff' => 'image/tiff',
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'css' => [
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'text/css',
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'text/plain',
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],
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'html' => [
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'text/html',
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'text/plain',
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],
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'htm' => [
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'text/html',
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'text/plain',
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],
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'shtml' => [
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'text/html',
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'text/plain',
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],
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'txt' => 'text/plain',
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'text' => 'text/plain',
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'log' => [
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'text/plain',
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'text/x-log',
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],
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'rtx' => 'text/richtext',
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'rtf' => 'text/rtf',
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'xml' => [
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'application/xml',
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'text/xml',
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'text/plain',
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],
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'xsl' => [
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'application/xml',
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'text/xsl',
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'text/xml',
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],
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'mpeg' => 'video/mpeg',
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'mpg' => 'video/mpeg',
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'mpe' => 'video/mpeg',
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'qt' => 'video/quicktime',
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'mov' => 'video/quicktime',
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'avi' => [
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'video/x-msvideo',
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'video/msvideo',
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'video/avi',
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'application/x-troff-msvideo',
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],
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'movie' => 'video/x-sgi-movie',
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'doc' => [
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'application/msword',
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'application/vnd.ms-office',
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],
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'docx' => [
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'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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'application/zip',
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'application/msword',
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'application/x-zip',
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],
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'dot' => [
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'application/msword',
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'application/vnd.ms-office',
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],
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'dotx' => [
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'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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'application/zip',
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'application/msword',
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],
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'xlsx' => [
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'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
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'application/zip',
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'application/vnd.ms-excel',
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'application/msword',
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'application/x-zip',
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],
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'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
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'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
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'word' => [
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'application/msword',
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'application/octet-stream',
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],
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'xl' => 'application/excel',
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'eml' => 'message/rfc822',
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'json' => [
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'application/json',
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'text/json',
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],
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'pem' => [
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'application/x-x509-user-cert',
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'application/x-pem-file',
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'application/octet-stream',
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],
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'p10' => [
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'application/x-pkcs10',
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'application/pkcs10',
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],
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'p12' => 'application/x-pkcs12',
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'p7a' => 'application/x-pkcs7-signature',
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'p7c' => [
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'application/pkcs7-mime',
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'application/x-pkcs7-mime',
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],
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'p7m' => [
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'application/pkcs7-mime',
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'application/x-pkcs7-mime',
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],
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'p7r' => 'application/x-pkcs7-certreqresp',
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'p7s' => 'application/pkcs7-signature',
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'crt' => [
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'application/x-x509-ca-cert',
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'application/x-x509-user-cert',
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'application/pkix-cert',
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],
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'crl' => [
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'application/pkix-crl',
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'application/pkcs-crl',
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],
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'der' => 'application/x-x509-ca-cert',
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'kdb' => 'application/octet-stream',
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'pgp' => 'application/pgp',
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'gpg' => 'application/gpg-keys',
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'sst' => 'application/octet-stream',
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'csr' => 'application/octet-stream',
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'rsa' => 'application/x-pkcs7',
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'cer' => [
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'application/pkix-cert',
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'application/x-x509-ca-cert',
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],
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'3g2' => 'video/3gpp2',
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'3gp' => [
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'video/3gp',
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'video/3gpp',
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],
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'mp4' => 'video/mp4',
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'm4a' => 'audio/x-m4a',
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'f4v' => [
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'video/mp4',
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'video/x-f4v',
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],
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'flv' => 'video/x-flv',
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'webm' => 'video/webm',
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'aac' => 'audio/x-acc',
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'm4u' => 'application/vnd.mpegurl',
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'm3u' => 'text/plain',
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'xspf' => 'application/xspf+xml',
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'vlc' => 'application/videolan',
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'wmv' => [
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'video/x-ms-wmv',
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'video/x-ms-asf',
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],
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'au' => 'audio/x-au',
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'ac3' => 'audio/ac3',
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'flac' => [
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'audio/x-flac',
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'audio/flac'
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],
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'ogg' => [
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'audio/ogg',
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'video/ogg',
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'application/ogg',
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],
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'kra' => [
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'application/x-krita',
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'application/zip',
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],
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'krz' => [
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'application/x-krita',
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'application/zip',
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],
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'kmz' => [
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'application/vnd.google-earth.kmz',
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'application/zip',
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'application/x-zip',
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],
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'kml' => [
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'application/vnd.google-earth.kml+xml',
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'application/xml',
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'text/xml',
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],
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'ics' => 'text/calendar',
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'ical' => 'text/calendar',
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'zsh' => 'text/x-scriptzsh',
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'7z' => [
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'application/x-compressed',
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'application/x-zip-compressed',
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'application/x-7z-compressed',
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'application/zip',
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'multipart/x-zip',
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],
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'7zip' => [
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'application/x-compressed',
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'application/x-zip-compressed',
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'application/x-7z-compressed',
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'application/zip',
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'multipart/x-zip',
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],
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'cdr' => [
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'application/cdr',
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'application/coreldraw',
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'application/x-cdr',
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'application/x-coreldraw',
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'image/cdr',
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'image/x-cdr',
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'zz-application/zz-winassoc-cdr',
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],
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'wma' => [
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'audio/x-ms-wma',
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'video/x-ms-asf',
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],
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'jar' => [
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'application/java-archive',
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'application/x-java-application',
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'application/x-jar',
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'application/x-compressed',
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],
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'svg' => [
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'image/svg+xml',
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'image/svg',
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'application/xml',
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'text/xml',
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],
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'vcf' => 'text/x-vcard',
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'srt' => [
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'text/srt',
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'text/plain',
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],
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'vtt' => [
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'text/vtt',
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'text/plain',
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],
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'ico' => [
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'image/x-icon',
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'image/x-ico',
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'image/vnd.microsoft.icon',
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],
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'stl' => [
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'application/sla',
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'application/vnd.ms-pki.stl',
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'application/x-navistyle',
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],
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];
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/**
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* Attempts to determine the best mime type for the given file extension.
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*
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* @param string $extension
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*
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* @return string|null The mime type found, or none if unable to determine.
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*/
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public static function getTypesFromExtension($extension)
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{
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$extension = trim(strtolower($extension), '. ');
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if (!array_key_exists($extension, static::$mimes))
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{
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return null;
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}
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return (array) static::$mimes[$extension];
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}
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/**
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* Attempts to determine the best file extension for a given mime type.
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*
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* @param string $type
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* @param string|null $proposedExtension - default extension (in case there is more than one with the same mime type)
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*
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* @return string|null The extension determined, or null if unable to match.
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*/
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public static function guessExtensionFromType($type, $proposedExtension = null)
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{
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$type = trim(strtolower($type), '. ');
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$proposedExtension = trim(strtolower($proposedExtension));
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if ($proposedExtension !== '')
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{
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if (array_key_exists($proposedExtension, static::$mimes) && in_array($type, is_string(static::$mimes[$proposedExtension]) ? [static::$mimes[$proposedExtension]] : static::$mimes[$proposedExtension], true))
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{
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// The detected mime type matches with the proposed extension.
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return $proposedExtension;
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}
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// An extension was proposed, but the media type does not match the mime type list.
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return null;
|
|
}
|
|
|
|
// Reverse check the mime type list if no extension was proposed.
|
|
// This search is order sensitive!
|
|
foreach (static::$mimes as $ext => $types)
|
|
{
|
|
if ((is_string($types) && $types === $type) || (is_array($types) && in_array($type, $types, true)))
|
|
{
|
|
return $ext;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Test whether the given mime type is in the allowed file types.
|
|
*
|
|
* @param mixed $allowed_types Can be a list of comma separated types or an array of types. Types can be either an extension (.jpg) or a mime type (application/zip)
|
|
* @param string $mime The mime type to check
|
|
*
|
|
* @return mixed Null on failure, true on success
|
|
*/
|
|
public static function check($allowed_types, $detected_mime)
|
|
{
|
|
if (!$allowed_types || !$detected_mime)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
$allowed_types = self::toSafeArray($allowed_types);
|
|
|
|
foreach ($allowed_types as $allowed_type)
|
|
{
|
|
// Check whether we have a mime type or a file extension. A Mime type is supposed to have a forward slash character.
|
|
// If we have a file extension (.jpg, .zip), convert it to a Mime type.
|
|
$allowed_mime_types = strpos($allowed_type, '/') === false ? self::getTypesFromExtension($allowed_type) : $allowed_type;
|
|
|
|
if (self::typeIsInTypes($detected_mime, $allowed_mime_types))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Validates if the provided file extension is allowed based on a list of permitted types.
|
|
*
|
|
* This method checks if the given file extension matches any of the allowed types specified.
|
|
* The allowed types can be either file extensions or MIME types. If a MIME type is provided,
|
|
* it is converted into its associated file extensions for validation.
|
|
*
|
|
* @param string $fileExtension The file extension to validate, which will be normalized to lowercase.
|
|
* @param array|string $allowedTypes An array or a comma-separated string of allowed file types (extensions or MIME types).
|
|
*
|
|
* @return bool Returns true if the file extension is valid; otherwise, false.
|
|
*/
|
|
public static function validateFileExtension($fileExtension, $allowedTypes)
|
|
{
|
|
$fileExtension = strtolower(ltrim(trim($fileExtension), '.'));
|
|
$allowedTypes = self::toSafeArray($allowedTypes);
|
|
|
|
foreach ($allowedTypes as $allowedType)
|
|
{
|
|
// Trim any whitespace
|
|
$allowedType = trim($allowedType);
|
|
|
|
// Check if the allowed type is a MIME type
|
|
if (strpos($allowedType, '/') !== false)
|
|
{
|
|
// It's a MIME type, convert to associated extensions
|
|
$extensions = self::getExtensionsByMimeType($allowedType);
|
|
|
|
// Validate against each associated extension
|
|
foreach ($extensions as $extension)
|
|
{
|
|
if ($extension === $fileExtension)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
} else
|
|
{
|
|
// It's a file extension, normalize and compare
|
|
$allowedExtension = ltrim(strtolower($allowedType), '.');
|
|
|
|
if ($allowedExtension === $fileExtension)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false; // No valid extension found
|
|
}
|
|
|
|
/**
|
|
* Retrieves an array of file extensions that are associated with a given MIME type.
|
|
*
|
|
* This method loops through a predefined list of MIME types and their associated file extensions.
|
|
* If the specified MIME type matches any of the entries, the corresponding file extensions are collected.
|
|
*
|
|
* @param string $mimeType The MIME type for which to find associated file extensions.
|
|
*
|
|
* @return array An array of unique file extensions associated with the provided MIME type.
|
|
* Returns an empty array if no matching extensions are found or if the MIME type is empty.
|
|
*/
|
|
public static function getExtensionsByMimeType($mimeType)
|
|
{
|
|
// Initialize an array to hold the matching extensions
|
|
$matchingExtensions = [];
|
|
|
|
if (!$mimeType)
|
|
{
|
|
return $matchingExtensions;
|
|
}
|
|
|
|
// Loop through the mimes array
|
|
foreach (self::$mimes as $extension => $types)
|
|
{
|
|
// Ensure $types is an array
|
|
$types = (array) $types;
|
|
|
|
// Loop through each type
|
|
foreach ($types as $type)
|
|
{
|
|
// Use preg_match to handle wildcard types
|
|
if (preg_match('#' . str_replace(['*'], ['.*'], $mimeType) . '#', $type))
|
|
{
|
|
$matchingExtensions[] = strtolower($extension);
|
|
}
|
|
}
|
|
}
|
|
|
|
return array_unique(array_filter($matchingExtensions));
|
|
}
|
|
|
|
/**
|
|
* Test whether the given detected mime type is in allowed mime types
|
|
*
|
|
* @param string $detected_type The mime type to check Eg: application/zip
|
|
* @param array $allowed_types A list of allowed mime types Eg: ['application/zip', 'images/jpg']
|
|
*
|
|
* @return bool True on success
|
|
*/
|
|
public static function typeIsInTypes($detected_type, $allowed_types)
|
|
{
|
|
if (!$detected_type || !$allowed_types)
|
|
{
|
|
return;
|
|
}
|
|
|
|
$allowed_types = self::toSafeArray($allowed_types);
|
|
$detected_type = strtolower($detected_type);
|
|
|
|
foreach ($allowed_types as $allowed_type)
|
|
{
|
|
// Special case: Allow to use wildcard in mime types like: image/* - This requires to convert the asterisk character to regex pattern.
|
|
$allowed_type = str_replace('*', '.*', $allowed_type);
|
|
|
|
if (preg_match('#' . $allowed_type . '#', $detected_type))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Detect the filename's Mime type
|
|
*
|
|
* @param string $file The path to the file to be checked
|
|
*
|
|
* @return mixed the mime type detected false on error
|
|
*/
|
|
public static function detectFileType($file)
|
|
{
|
|
// If we can't detect anything mime is false
|
|
$mime = false;
|
|
|
|
try
|
|
{
|
|
if (function_exists('mime_content_type'))
|
|
{
|
|
$mime = mime_content_type($file);
|
|
}
|
|
elseif (function_exists('finfo_open'))
|
|
{
|
|
$finfo = finfo_open(FILEINFO_MIME_TYPE);
|
|
$mime = finfo_file($finfo, $file);
|
|
finfo_close($finfo);
|
|
}
|
|
}
|
|
catch (\Exception $e)
|
|
{
|
|
}
|
|
|
|
return $mime;
|
|
}
|
|
|
|
private static function toSafeArray($subject)
|
|
{
|
|
if (!is_array($subject))
|
|
{
|
|
$subject = explode(',', $subject);
|
|
}
|
|
|
|
$subject = array_map('trim', $subject);
|
|
$subject = array_map('strtolower', $subject);
|
|
$subject = array_unique($subject);
|
|
$subject = array_filter($subject);
|
|
|
|
return $subject;
|
|
}
|
|
} |