mimetype.php

См. документацию.

<?php
namespace Bitrix\Main\Web;
 
use Bitrix\Main\IO;
 
final class MimeType
{
    protected static $mimes = [
        'hqx' => 'application/mac-binhex40',
        'cpt' => 'application/mac-compactpro',
        'csv' => 'text/x-comma-separated-values',
        'bin' => 'application/octet-stream',
        'dms' => 'application/octet-stream',
        'lha' => 'application/octet-stream',
        'lzh' => 'application/octet-stream',
        'exe' => 'application/octet-stream',
        'class' => 'application/octet-stream',
        'psd' => 'application/x-photoshop',
        'so' => 'application/octet-stream',
        'sea' => 'application/octet-stream',
        'dll' => 'application/octet-stream',
        'oda' => 'application/oda',
        'pdf' => 'application/pdf',
        'ai' => 'application/pdf',
        'eps' => 'application/postscript',
        'ps' => 'application/postscript',
        'smi' => 'application/smil',
        'smil' => 'application/smil',
        'mif' => 'application/vnd.mif',
        'xls' => 'application/vnd.ms-excel',
        'ppt' => 'application/powerpoint',
        '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-httpd-php',
        'php4' => 'application/x-httpd-php',
        'php3' => 'application/x-httpd-php',
        'phtml' => 'application/x-httpd-php',
        'phps' => 'application/x-httpd-php-source',
        'js' => 'application/javascript',
        'swf' => 'application/x-shockwave-flash',
        'sit' => 'application/x-stuffit',
        'tar' => 'application/x-tar',
        'tgz' => 'application/x-tar',
        'z' => 'application/x-compress',
        'xhtml' => 'application/xhtml+xml',
        'xht' => 'application/xhtml+xml',
        'zip' => 'application/x-zip',
        'rar' => 'application/x-rar',
        'mid' => 'audio/midi',
        'midi' => 'audio/midi',
        'mpga' => 'audio/mpeg',
        'mp2' => 'audio/mpeg',
        'mp3' => 'audio/mpeg',
        'aif' => 'audio/x-aiff',
        'aiff' => 'audio/x-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',
        'jpg' => 'image/jpeg',
        'jpeg' => 'image/jpeg',
        'jpe' => 'image/jpeg',
        'png' => 'image/png',
        'webp' => 'image/webp',
        'gif' => 'image/gif',
        'bmp' => 'image/bmp',
        'tiff' => 'image/tiff',
        'tif' => 'image/tiff',
        'svg' => 'image/svg+xml',
        'css' => 'text/css',
        'html' => 'text/html',
        'htm' => 'text/html',
        'shtml' => 'text/html',
        'txt' => 'text/plain',
        'text' => 'text/plain',
        'log' => 'text/plain',
        'rtx' => 'text/richtext',
        'rtf' => 'text/rtf',
        'xml' => 'application/xml',
        'xsl' => 'application/xml',
        'mpeg' => 'video/mpeg',
        'mpg' => 'video/mpeg',
        'mpe' => 'video/mpeg',
        'qt' => 'video/quicktime',
        'mov' => 'video/quicktime',
        'avi' => 'video/x-msvideo',
        'movie' => 'video/x-sgi-movie',
        'doc' => 'application/msword',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'dot' => 'application/msword',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'word' => 'application/msword',
        'xl' => 'application/excel',
        'eml' => 'message/rfc822',
        'json' => 'application/json',
        'pem' => 'application/x-x509-user-cert',
        'p10' => 'application/x-pkcs10',
        'p12' => 'application/x-pkcs12',
        'p7a' => 'application/x-pkcs7-signature',
        'p7c' => 'application/pkcs7-mime',
        'p7m' => 'application/pkcs7-mime',
        'p7r' => 'application/x-pkcs7-certreqresp',
        'p7s' => 'application/pkcs7-signature',
        'crt' => 'application/x-x509-ca-cert',
        'crl' => 'application/pkix-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',
        '3g2' => 'video/3gpp2',
        '3gp' => 'video/3gp',
        'mp4' => 'video/mp4',
        'm4a' => 'audio/x-m4a',
        'f4v' => 'video/mp4',
        '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',
        'au' => 'audio/x-au',
        'ac3' => 'audio/ac3',
        'flac' => 'audio/x-flac',
        'ogg' => 'audio/ogg',
        'kmz' => 'application/vnd.google-earth.kmz',
        'kml' => 'application/vnd.google-earth.kml+xml',
        'ics' => 'text/calendar',
        'zsh' => 'text/x-scriptzsh',
        '7zip' => 'application/x-7z-compressed',
        'cdr' => 'application/cdr',
        'wma' => 'audio/x-ms-wma',
        'jar' => 'application/java-archive',
        'sketch' => 'application/octet-stream',
        'vsd' => 'application/vnd.ms-visio',
        'vsdx' => 'application/vnd.ms-visio.drawing',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'fb2' => 'application/xml',
        'djvu' => 'image/vnd.djvu',
        'epub' => 'application/epub+zip',
        'msg' => 'message/rfc822',
        'ott' => 'application/vnd.oasis.opendocument.text-template',
        'otp' => 'application/vnd.oasis.opendocument.presentation-template',
        'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template',
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'xodt' => 'application/vnd.collabio.xodocuments.document',
        '7z' => 'application/x-7z-compressed',
        'bz2' => 'application/x-bzip2',
        'mp4v' => 'video/mp4',
        'mpg4' => 'video/mp4',
        'ogv' => 'video/ogg',
        'flv' => 'video/x-flv',
        'mkv' => 'video/x-matroska',
        'm4v' => 'video/x-m4v',
        'h264' => 'video/h264',
        'sql' => 'text/plain',
        'pl' => 'text/plain',
        'sh' => 'text/plain',
        'ttf' => 'application/x-font-ttf',
        'otf' => 'application/vnd.ms-opentype',
        'eot' => 'application/vnd.ms-fontobject',
        'woff' => 'application/font-woff',
        'pfa' => 'application/x-font-type1',
        'xla' => "application/vnd.ms-excel",
        'xlb' => 'application/vnd.ms-excel',
        'xlc' => 'application/vnd.ms-excel',
        'xll' => 'application/vnd.ms-excel',
        'xlm' => 'application/vnd.ms-excel',
        'xlt' => 'application/vnd.ms-excel',
        'xlw' => 'application/vnd.ms-excel',
        'dbf' => 'application/vnd.ms-excel',
        'm1v' => 'video/mpeg',
        'm2v' => 'video/mpeg',
        'jpgv' => 'video/jpeg',
        'dvb' => 'video/vnd.dvb.file',
        'fvt' => 'video/vnd.fvt',
        'mxu' => 'video/vnd.mpegurl',
        'pyv' => 'video/vnd.ms-playready.media.pyv',
        'uvu' => 'video/vnd.uvvu.mp4',
        'uvvu' => 'video/vnd.uvvu.mp4',
        'viv' => 'video/vnd.vivo',
        'fli' => 'video/x-fli',
        'mk3d' => 'video/x-matroska',
        'mks' => 'video/x-matroska',
        'mng' => 'video/x-mng',
        'asf' => 'video/x-ms-asf',
        'asx' => 'video/x-ms-asf',
        'vob' => 'video/x-ms-vob',
        'wm' => 'video/x-ms-wm',
        'wmx' => 'video/x-ms-wmx',
        'wvx' => 'video/x-ms-wvx',
        'smv' => 'video/x-smv',
        'mp2a' => 'audio/mpeg',
        'm2a' => 'audio/mpeg',
        'm3a' => 'audio/mpeg',
        'oga' => 'audio/ogg',
        'spx' => 'audio/ogg',
        'weba' => 'audio/webm',
        'm3u8' => 'application/vnd.apple.mpegurl',
        'ts' => 'video/MP2T',
        'flp' => 'application/board',
        'board' => 'application/board',
    ];
 
    public static function getMimeTypeList()
    {
        return self::$mimes;
    }
 
    public static function getExtensionByMimeType(string $mimeType): ?string
    {
        $extension = array_search($mimeType, self::$mimes, true);
 
        return $extension ?: null;
    }
 
    public static function getByFileExtension($extension)
    {
        $extension = strtolower($extension);
        if (isset(self::$mimes[$extension]))
        {
            return self::$mimes[$extension];
        }
 
        return 'application/octet-stream';
    }
 
    public static function getByFilename($filename)
    {
        return self::getByFileExtension(getFileExtension($filename));
    }
 
    public static function getByFilePath($filePath)
    {
        $file = new IO\File($filePath);
 
        return $file->getContentType();
    }
 
    public static function getByContent($content)
    {
        $fileInfo = new \Finfo(FILEINFO_MIME_TYPE);
        $mimeType = $fileInfo->buffer($content);
 
        return $mimeType?: 'application/octet-stream';
    }
 
    public static function isImage($mime)
    {
        // Attributes are possible: image/jpeg; charset=ISO-8859-1
        $parts = explode(';', (string)$mime);
        $mime = trim($parts[0]);
 
        return preg_match('#^image/[a-z0-9.-]+$#i', $mime);
    }
 
    public static function normalize($contentType)
    {
        if (!is_string($contentType))
        {
            return 'application/octet-stream';
        }
 
        $ct = strtolower($contentType);
        $ct = str_replace(array("\r", "\n", "\0"), "", $ct);
 
        // We don't need attributes: image/jpeg; charset=ISO-8859-1
        $parts = explode(';', $ct);
        $ct = trim($parts[0]);
 
        if ($ct == '')
        {
            $ct = 'application/octet-stream';
        }
        elseif (str_contains($ct, "excel"))
        {
            $ct = "application/vnd.ms-excel";
        }
        elseif (str_contains($ct, "word") && !str_contains($ct, "vnd.openxmlformats"))
        {
            $ct = "application/msword";
        }
        elseif ($ct == 'image/pjpeg' || $ct == 'image/jpg')
        {
            $ct = 'image/jpeg';
        }
 
        return $ct;
    }
}