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<?php |
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namespace tinymeng\uploads\Helper; |
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use finfo; |
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use ErrorException; |
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/** |
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* @internal |
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*/ |
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class MimeType |
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{ |
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protected static $extensionToMimeTypeMap = [ |
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'hqx' => 'application/mac-binhex40', |
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'cpt' => 'application/mac-compactpro', |
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'csv' => 'text/csv', |
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'bin' => 'application/octet-stream', |
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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' => 'application/octet-stream', |
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'class' => 'application/octet-stream', |
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'psd' => 'application/x-photoshop', |
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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' => 'application/pdf', |
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'ai' => 'application/pdf', |
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'eps' => 'application/postscript', |
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'epub' => 'application/epub+zip', |
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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' => 'application/vnd.ms-excel', |
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'ppt' => 'application/powerpoint', |
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'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation', |
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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' => 'application/x-httpd-php', |
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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' => 'application/javascript', |
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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' => 'application/x-tar', |
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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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'rdf' => 'application/rdf+xml', |
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'zip' => 'application/x-zip', |
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'rar' => 'application/x-rar', |
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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' => 'audio/mpeg', |
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'aif' => 'audio/x-aiff', |
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'aiff' => 'audio/x-aiff', |
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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' => 'audio/x-wav', |
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'jpg' => 'image/jpeg', |
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'jpeg' => 'image/jpeg', |
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'jpe' => 'image/jpeg', |
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'png' => 'image/png', |
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'gif' => 'image/gif', |
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'bmp' => 'image/bmp', |
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'tiff' => 'image/tiff', |
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'tif' => 'image/tiff', |
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'svg' => 'image/svg+xml', |
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'css' => 'text/css', |
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'html' => 'text/html', |
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'htm' => 'text/html', |
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'shtml' => 'text/html', |
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'txt' => 'text/plain', |
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'text' => 'text/plain', |
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'log' => 'text/plain', |
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'rtx' => 'text/richtext', |
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'rtf' => 'text/rtf', |
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'xml' => 'application/xml', |
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'xsl' => 'application/xml', |
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'dmn' => 'application/octet-stream', |
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'bpmn' => 'application/octet-stream', |
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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' => 'video/x-msvideo', |
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'movie' => 'video/x-sgi-movie', |
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'doc' => 'application/msword', |
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'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', |
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'docm' => 'application/vnd.ms-word.template.macroEnabled.12', |
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'dot' => 'application/msword', |
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'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', |
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'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', |
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'word' => 'application/msword', |
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'xl' => 'application/excel', |
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'eml' => 'message/rfc822', |
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'json' => 'application/json', |
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'pem' => 'application/x-x509-user-cert', |
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'p10' => 'application/x-pkcs10', |
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'p12' => 'application/x-pkcs12', |
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'p7a' => 'application/x-pkcs7-signature', |
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'p7c' => 'application/pkcs7-mime', |
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'p7m' => 'application/pkcs7-mime', |
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'p7r' => 'application/x-pkcs7-certreqresp', |
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'p7s' => 'application/pkcs7-signature', |
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'crt' => 'application/x-x509-ca-cert', |
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'crl' => 'application/pkix-crl', |
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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' => 'application/pkix-cert', |
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'3g2' => 'video/3gpp2', |
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'3gp' => 'video/3gp', |
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'mp4' => 'video/mp4', |
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'm4a' => 'audio/x-m4a', |
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'f4v' => 'video/mp4', |
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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' => 'video/x-ms-wmv', |
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'au' => 'audio/x-au', |
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'ac3' => 'audio/ac3', |
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'flac' => 'audio/x-flac', |
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'ogg' => 'audio/ogg', |
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'kmz' => 'application/vnd.google-earth.kmz', |
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'kml' => 'application/vnd.google-earth.kml+xml', |
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'ics' => 'text/calendar', |
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'zsh' => 'text/x-scriptzsh', |
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'7zip' => 'application/x-7z-compressed', |
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'cdr' => 'application/cdr', |
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'wma' => 'audio/x-ms-wma', |
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'jar' => 'application/java-archive', |
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'tex' => 'application/x-tex', |
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'latex' => 'application/x-latex', |
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'odt' => 'application/vnd.oasis.opendocument.text', |
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'ods' => 'application/vnd.oasis.opendocument.spreadsheet', |
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'odp' => 'application/vnd.oasis.opendocument.presentation', |
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'odg' => 'application/vnd.oasis.opendocument.graphics', |
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'odc' => 'application/vnd.oasis.opendocument.chart', |
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'odf' => 'application/vnd.oasis.opendocument.formula', |
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'odi' => 'application/vnd.oasis.opendocument.image', |
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'odm' => 'application/vnd.oasis.opendocument.text-master', |
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'odb' => 'application/vnd.oasis.opendocument.database', |
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'ott' => 'application/vnd.oasis.opendocument.text-template', |
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]; |
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/** |
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* Detects MIME Type based on given content. |
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* |
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* @param mixed $content |
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* |
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* @return string|null MIME Type or NULL if no mime type detected |
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*/ |
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public static function detectByContent($content) |
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{ |
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if ( ! class_exists('finfo') || ! is_string($content)) { |
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return null; |
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} |
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try { |
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$finfo = new finfo(FILEINFO_MIME_TYPE); |
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return $finfo->buffer($content) ?: null; |
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// @codeCoverageIgnoreStart |
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} catch( ErrorException $e ) { |
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// This is caused by an array to string conversion error. |
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} |
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} // @codeCoverageIgnoreEnd |
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/** |
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* Detects MIME Type based on file extension. |
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* |
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* @param string $extension |
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* |
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* @return string|null MIME Type or NULL if no extension detected |
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*/ |
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public static function detectByFileExtension($extension) |
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{ |
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return isset(static::$extensionToMimeTypeMap[$extension]) |
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? static::$extensionToMimeTypeMap[$extension] |
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: 'text/plain'; |
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} |
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/** |
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* @param string $filename |
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* |
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* @return string|null MIME Type or NULL if no extension detected |
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*/ |
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public static function detectByFilename($filename) |
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{ |
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$extension = strtolower(pathinfo($filename, PATHINFO_EXTENSION)); |
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return empty($extension) ? 'text/plain' : static::detectByFileExtension($extension); |
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} |
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/** |
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* @return array Map of file extension to MIME Type |
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*/ |
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public static function getExtensionToMimeTypeMap() |
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{ |
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return static::$extensionToMimeTypeMap; |
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} |
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} |
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majiameng /
uploads
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