✏️ Editing: Mimes.php

<?php

namespace Config;

/**
 * Mimes
 *
 * This file contains an array of mime types.  It is used by the
 * Upload class to help identify allowed file types.
 *
 * When more than one variation for an extension exist (like jpg, jpeg, etc)
 * the most common one should be first in the array to aid the guess*
 * methods. The same applies when more than one mime-type exists for a
 * single extension.
 *
 * When working with mime types, please make sure you have the ´fileinfo´
 * extension enabled to reliably detect the media types.
 *
 * @immutable
 */
class Mimes
{
    /**
     * Map of extensions to mime types.
     */
    public static array $mimes = [
        'hqx' => [
            'application/mac-binhex40',
            'application/mac-binhex',
            'application/x-binhex40',
            'application/x-mac-binhex40',
        ],
        'cpt' => 'application/mac-compactpro',
        'csv' => [
            'text/csv',
            'text/x-comma-separated-values',
            'text/comma-separated-values',
            'application/vnd.ms-excel',
            'application/x-csv',
            'text/x-csv',
            'application/csv',
            'application/excel',
            'application/vnd.msexcel',
            'text/plain',
        ],
        'bin' => [
            'application/macbinary',
            'application/mac-binary',
            'application/octet-stream',
            'application/x-binary',
            'application/x-macbinary',
        ],
        'dms' => 'application/octet-stream',
        'lha' => 'application/octet-stream',
        'lzh' => 'application/octet-stream',
        'exe' => [
            'application/octet-stream',
            'application/vnd.microsoft.portable-executable',
            'application/x-dosexec',
            'application/x-msdownload',
        ],
        'class' => 'application/octet-stream',
        'psd'   => [
            'application/x-photoshop',
            'image/vnd.adobe.photoshop',
        ],
        'so'  => 'application/octet-stream',
        'sea' => 'application/octet-stream',
        'dll' => 'application/octet-stream',
        'oda' => 'application/oda',
        'pdf' => [
            'application/pdf',
            'application/force-download',
            'application/x-download',
        ],
        'ai' => [
            'application/pdf',
            'application/postscript',
        ],
        'eps'  => 'application/postscript',
        'ps'   => 'application/postscript',
        'smi'  => 'application/smil',
        'smil' => 'application/smil',
        'mif'  => 'application/vnd.mif',
        'xls'  => [
            'application/vnd.ms-excel',
            'application/msexcel',
            'application/x-msexcel',
            'application/x-ms-excel',
            'application/x-excel',
            'application/x-dos_ms_excel',
            'application/xls',
            'application/x-xls',
            'application/excel',
            'application/download',
            'application/vnd.ms-office',
            'application/msword',
        ],
        'ppt' => [
            'application/vnd.ms-powerpoint',
            'application/powerpoint',
            'application/vnd.ms-office',
            'application/msword',
        ],
        'pptx' => [
            'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        ],
        'wbxml' => 'application/wbxml',
        'wmlc'  => 'application/wmlc',
        'dcr'   => 'application/x-director',
        'dir'   => 'application/x-director',
        'dxr'   => 'application/x-director',
        'dvi'   => 'application/x-dvi',
        'gtar'  => 'application/x-gtar',
        'gz'    => 'application/x-gzip',
        'gzip'  => 'application/x-gzip',
        'php'   => [
            'application/x-php',
            'application/x-httpd-php',
            'application/php',
            'text/php',
            'text/x-php',
            'application/x-httpd-php-source',
        ],
        'php4'  => 'application/x-httpd-php',
        'php3'  => 'application/x-httpd-php',
        'phtml' => 'application/x-httpd-php',
        'phps'  => 'application/x-httpd-php-source',
        'js'    => [
            'application/x-javascript',
            'text/plain',
        ],
        'swf' => 'application/x-shockwave-flash',
        'sit' => 'application/x-stuffit',
        'tar' => 'application/x-tar',
        'tgz' => [
            'application/x-tar',
            'application/x-gzip-compressed',
        ],
        'z'     => 'application/x-compress',
        'xhtml' => 'application/xhtml+xml',
        'xht'   => 'application/xhtml+xml',
        'zip'   => [
            'application/x-zip',
            'application/zip',
            'application/x-zip-compressed',
            'application/s-compressed',
            'multipart/x-zip',
        ],
        'rar' => [
            'application/vnd.rar',
            'application/x-rar',
            'application/rar',
            'application/x-rar-compressed',
        ],
        'mid'  => 'audio/midi',
        'midi' => 'audio/midi',
        'mpga' => 'audio/mpeg',
        'mp2'  => 'audio/mpeg',
        'mp3'  => [
            'audio/mpeg',
            'audio/mpg',
            'audio/mpeg3',
            'audio/mp3',
        ],
        'aif' => [
            'audio/x-aiff',
            'audio/aiff',
        ],
        'aiff' => [
            'audio/x-aiff',
            'audio/aiff',
        ],
        'aifc' => 'audio/x-aiff',
        'ram'  => 'audio/x-pn-realaudio',
        'rm'   => 'audio/x-pn-realaudio',
        'rpm'  => 'audio/x-pn-realaudio-plugin',
        'ra'   => 'audio/x-realaudio',
        'rv'   => 'video/vnd.rn-realvideo',
        'wav'  => [
            'audio/x-wav',
            'audio/wave',
            'audio/wav',
        ],
        'bmp' => [
            'image/bmp',
            'image/x-bmp',
            'image/x-bitmap',
            'image/x-xbitmap',
            'image/x-win-bitmap',
            'image/x-windows-bmp',
            'image/ms-bmp',
            'image/x-ms-bmp',
            'application/bmp',
            'application/x-bmp',
            'application/x-win-bitmap',
        ],
        'gif' => 'image/gif',
        'jpg' => [
            'image/jpeg',
            'image/pjpeg',
        ],
        'jpeg' => [
            'image/jpeg',
            'image/pjpeg',
        ],
        'jpe' => [
            'image/jpeg',
            'image/pjpeg',
        ],
        'jp2' => [
            'image/jp2',
            'video/mj2',
            'image/jpx',
            'image/jpm',
        ],
        'j2k' => [
            'image/jp2',
            'video/mj2',
            'image/jpx',
            'image/jpm',
        ],
        'jpf' => [
            'image/jp2',
            'video/mj2',
            'image/jpx',
            'image/jpm',
        ],
        'jpg2' => [
            'image/jp2',
            'video/mj2',
            'image/jpx',
            'image/jpm',
        ],
        'jpx' => [
            'image/jp2',
            'video/mj2',
            'image/jpx',
            'image/jpm',
        ],
        'jpm' => [
            'image/jp2',
            'video/mj2',
            'image/jpx',
            'image/jpm',
        ],
        'mj2' => [
            'image/jp2',
            'video/mj2',
            'image/jpx',
            'image/jpm',
        ],
        'mjp2' => [
            'image/jp2',
            'video/mj2',
            'image/jpx',
            'image/jpm',
        ],
        'png' => [
            'image/png',
            'image/x-png',
        ],
        'webp' => 'image/webp',
        'tif'  => 'image/tiff',
        'tiff' => 'image/tiff',
        'css'  => [
            'text/css',
            'text/plain',
        ],
        'html' => [
            'text/html',
            'text/plain',
        ],
        'htm' => [
            'text/html',
            'text/plain',
        ],
        'shtml' => [
            'text/html',
            'text/plain',
        ],
        'txt'  => 'text/plain',
        'text' => 'text/plain',
        'log'  => [
            'text/plain',
            'text/x-log',
        ],
        'rtx' => 'text/richtext',
        'rtf' => 'text/rtf',
        'xml' => [
            'application/xml',
            'text/xml',
            'text/plain',
        ],
        'xsl' => [
            'application/xml',
            'text/xsl',
            'text/xml',
        ],
        'mpeg' => 'video/mpeg',
        'mpg'  => 'video/mpeg',
        'mpe'  => 'video/mpeg',
        'qt'   => 'video/quicktime',
        'mov'  => 'video/quicktime',
        'avi'  => [
            'video/x-msvideo',
            'video/msvideo',
            'video/avi',
            'application/x-troff-msvideo',
        ],
        'movie' => 'video/x-sgi-movie',
        'doc'   => [
            'application/msword',
            'application/vnd.ms-office',
        ],
        'docx' => [
            'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
            'application/zip',
            'application/msword',
            'application/x-zip',
        ],
        'dot' => [
            'application/msword',
            'application/vnd.ms-office',
        ],
        'dotx' => [
            'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
            'application/zip',
            'application/msword',
        ],
        'xlsx' => [
            'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
            'application/zip',
            'application/vnd.ms-excel',
            'application/msword',
            'application/x-zip',
        ],
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'word' => [
            'application/msword',
            'application/octet-stream',
        ],
        'xl'   => 'application/excel',
        'eml'  => 'message/rfc822',
        'json' => [
            'application/json',
            'text/json',
        ],
        'pem' => [
            'application/x-x509-user-cert',
            'application/x-pem-file',
            'application/octet-stream',
        ],
        'p10' => [
            'application/x-pkcs10',
            'application/pkcs10',
        ],
        'p12' => 'application/x-pkcs12',
        'p7a' => 'application/x-pkcs7-signature',
        'p7c' => [
            'application/pkcs7-mime',
            'application/x-pkcs7-mime',
        ],
        'p7m' => [
            'application/pkcs7-mime',
            'application/x-pkcs7-mime',
        ],
        'p7r' => 'application/x-pkcs7-certreqresp',
        'p7s' => 'application/pkcs7-signature',
        'crt' => [
            'application/x-x509-ca-cert',
            'application/x-x509-user-cert',
            'application/pkix-cert',
        ],
        'crl' => [
            'application/pkix-crl',
            'application/pkcs-crl',
        ],
        'der' => 'application/x-x509-ca-cert',
        'kdb' => 'application/octet-stream',
        'pgp' => 'application/pgp',
        'gpg' => 'application/gpg-keys',
        'sst' => 'application/octet-stream',
        'csr' => 'application/octet-stream',
        'rsa' => 'application/x-pkcs7',
        'cer' => [
            'application/pkix-cert',
            'application/x-x509-ca-cert',
        ],
        '3g2' => 'video/3gpp2',
        '3gp' => [
            'video/3gp',
            'video/3gpp',
        ],
        'mp4' => 'video/mp4',
        'm4a' => 'audio/x-m4a',
        'f4v' => [
            'video/mp4',
            'video/x-f4v',
        ],
        'flv'  => 'video/x-flv',
        'webm' => 'video/webm',
        'aac'  => 'audio/x-acc',
        'm4u'  => 'application/vnd.mpegurl',
        'm3u'  => 'text/plain',
        'xspf' => 'application/xspf+xml',
        'vlc'  => 'application/videolan',
        'wmv'  => [
            'video/x-ms-wmv',
            'video/x-ms-asf',
        ],
        'au'   => 'audio/x-au',
        'ac3'  => 'audio/ac3',
        'flac' => 'audio/x-flac',
        'ogg'  => [
            'audio/ogg',
            'video/ogg',
            'application/ogg',
        ],
        'kmz' => [
            'application/vnd.google-earth.kmz',
            'application/zip',
            'application/x-zip',
        ],
        'kml' => [
            'application/vnd.google-earth.kml+xml',
            'application/xml',
            'text/xml',
        ],
        'ics'  => 'text/calendar',
        'ical' => 'text/calendar',
        'zsh'  => 'text/x-scriptzsh',
        '7zip' => [
            'application/x-compressed',
            'application/x-zip-compressed',
            'application/zip',
            'multipart/x-zip',
        ],
        'cdr' => [
            'application/cdr',
            'application/coreldraw',
            'application/x-cdr',
            'application/x-coreldraw',
            'image/cdr',
            'image/x-cdr',
            'zz-application/zz-winassoc-cdr',
        ],
        'wma' => [
            'audio/x-ms-wma',
            'video/x-ms-asf',
        ],
        'jar' => [
            'application/java-archive',
            'application/x-java-application',
            'application/x-jar',
            'application/x-compressed',
        ],
        'svg' => [
            'image/svg+xml',
            'image/svg',
            'application/xml',
            'text/xml',
        ],
        'vcf' => 'text/x-vcard',
        'srt' => [
            'text/srt',
            'text/plain',
        ],
        'vtt' => [
            'text/vtt',
            'text/plain',
        ],
        'ico' => [
            'image/x-icon',
            'image/x-ico',
            'image/vnd.microsoft.icon',
        ],
        'stl' => [
            'application/sla',
            'application/vnd.ms-pki.stl',
            'application/x-navistyle',
        ],
    ];

/**
     * Attempts to determine the best mime type for the given file extension.
     *
     * @return string|null The mime type found, or none if unable to determine.
     */
    public static function guessTypeFromExtension(string $extension)
    {
        $extension = trim(strtolower($extension), '. ');

if (! array_key_exists($extension, static::$mimes)) {
            return null;
        }

return is_array(static::$mimes[$extension]) ? static::$mimes[$extension][0] : static::$mimes[$extension];
    }

/**
     * Attempts to determine the best file extension for a given mime type.
     *
     * @param string|null $proposedExtension - default extension (in case there is more than one with the same mime type)
     *
     * @return string|null The extension determined, or null if unable to match.
     */
    public static function guessExtensionFromType(string $type, ?string $proposedExtension = null)
    {
        $type = trim(strtolower($type), '. ');

$proposedExtension = trim(strtolower($proposedExtension ?? ''));

if (
            $proposedExtension !== ''
            && array_key_exists($proposedExtension, static::$mimes)
            && in_array($type, (array) static::$mimes[$proposedExtension], true)
        ) {
            // The detected mime type matches with the proposed extension.
            return $proposedExtension;
        }

// Reverse check the mime type list if no extension was proposed.
        // This search is order sensitive!
        foreach (static::$mimes as $ext => $types) {
            if (in_array($type, (array) $types, true)) {
                return $ext;
            }
        }

return null;
    }
}

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