diff --git a/CHANGELOG b/CHANGELOG index e01e85031..7de133978 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -13,6 +13,7 @@ Version 1.0 to be released - Added CHtml::activeFileField (Qiang) - Added CUploadedFile (Qiang) - Added CFileValidator (Qiang) +- Added CFileHelper::getMimeType and CFileHelper::getMimeTypeByExtension (Qiang) Version 1.0rc November 10, 2008 ------------------------------- diff --git a/build/commands/ApiCommand.php b/build/commands/ApiCommand.php index fc83b0e19..6ead9642f 100644 --- a/build/commands/ApiCommand.php +++ b/build/commands/ApiCommand.php @@ -66,7 +66,7 @@ EOD; 'fileTypes'=>array('php'), 'exclude'=>array( '.svn', - 'yiilite.php', + '/yiilite.php', '/cli', '/i18n/data', '/messages', @@ -74,6 +74,7 @@ EOD; '/views', '/web/js', '/web/widgets/views', + '/utils/mimeTypes.php', ), ); $this->pageTitle='Yii Framework Class Reference'; diff --git a/build/commands/AutoloadCommand.php b/build/commands/AutoloadCommand.php index ccdc100a0..5a98e9412 100644 --- a/build/commands/AutoloadCommand.php +++ b/build/commands/AutoloadCommand.php @@ -49,9 +49,11 @@ EOD; '/views', '/cli', '/yii.php', + '/yiilite.php', '/web/js', '/vendors', '/i18n/data', + '/utils/mimeTypes.php', ), ); $files=CFileHelper::findFiles(YII_PATH,$options); diff --git a/framework/utils/CFileHelper.php b/framework/utils/CFileHelper.php index da6353d9d..fb32a0ca5 100644 --- a/framework/utils/CFileHelper.php +++ b/framework/utils/CFileHelper.php @@ -180,4 +180,51 @@ class CFileHelper else return false; } + + /** + * Determines the MIME type of the specified file. + * This method will attempt the following approaches in order: + *
    + *
  1. finfo
    2. + *
  2. mime_content_type
    3. + *
  3. {@link getMimeTypeByExtension}
    4. + *
+ * @param string the file name. + * @return string the MIME type. Null is returned if the MIME type cannot be determined. + */ + public static function getMimeType($file) + { + if(function_exists('finfo_open')) + { + if($info=finfo_open(FILEINFO_MIME)) + return finfo_file($info,$file); + else + return null; + } + + if(function_exists('mime_content_type')) + return mime_content_type($file); + + return self::getMimeTypeByExtension($file); + } + + /** + * Determines the MIME type based on the extension name of the specified file. + * This method will use a local map between extension name and MIME type. + * @param string the file name. + * @return string the MIME type. Null is returned if the MIME type cannot be determined. + */ + public static function getMimeTypeByExtension($file) + { + static $extensions; + if($extensions===null) + $extensions=require(Yii::getPathOfAlias('system.utils.mimeTypes').'.php'); + if(($pos=strrpos($file,'.'))!==false) + { + $ext=strtolower(substr($file,$pos+1)); + if(isset($extensions[$ext])) + return $extensions[$ext]; + } + return null; + } } diff --git a/framework/utils/mimeTypes.php b/framework/utils/mimeTypes.php new file mode 100644 index 000000000..a4830c8c0 --- /dev/null +++ b/framework/utils/mimeTypes.php @@ -0,0 +1,437 @@ + + * @link http://www.yiiframework.com/ + * @copyright Copyright © 2008 Yii Software LLC + * @license http://www.yiiframework.com/license/ + * @version $Id$ + */ + +return array( + 'ez' => 'application/andrew-inset', + 'base64' => 'application/appledouble', + 'base64' => 'application/applefile', + 'dp' => 'application/commonground', + 'pqi' => 'application/cprplayer', + 'tsp' => 'application/dsptype', + 'xls' => 'application/excel', + 'pfr' => 'application/font-tdpfr', + 'spl' => 'application/futuresplash', + 'stk' => 'application/hstu', + 'stk' => 'application/hyperstudio', + 'js' => 'application/javascript', + 'hqx' => 'application/mac-binhex40', + 'cpt' => 'application/mac-compactpro', + 'mbd' => 'application/mbed', + 'mfp' => 'application/mirage', + 'doc' => 'application/msword', + 'orq' => 'application/ocsp-request', + 'ors' => 'application/ocsp-response', + 'bin' => 'application/octet-stream', + 'exe' => 'application/octet-stream', + 'oda' => 'application/oda', + 'ogg' => 'application/ogg', + 'pdf' => 'application/pdf', + '7bit' => 'application/pgp-encrypted', + '7bit' => 'application/pgp-keys', + 'sig' => 'application/pgp-signature', + 'p10' => 'application/pkcs10', + 'p7m' => 'application/pkcs7-mime', + 'p7s' => 'application/pkcs7-signature', + 'cer' => 'application/pkix-cert', + 'crl' => 'application/pkix-crl', + 'pkipath' => 'application/pkix-pkipath', + 'pki' => 'application/pkixcmp', + 'ai' => 'application/postscript', + 'eps' => 'application/postscript', + 'ps' => 'application/postscript', + 'shw' => 'application/presentations', + 'cw' => 'application/prs.cww', + 'rnd' => 'application/prs.nprend', + 'qrt' => 'application/quest', + 'rtf' => 'application/rtf', + 'soc' => 'application/sgml-open-catalog', + 'siv' => 'application/sieve', + 'smi' => 'application/smil', + 'tbk' => 'application/toolbook', + 'plb' => 'application/vnd.3gpp.pic-bw-large', + 'psb' => 'application/vnd.3gpp.pic-bw-small', + 'pvb' => 'application/vnd.3gpp.pic-bw-var', + 'sms' => 'application/vnd.3gpp.sms', + 'atc' => 'application/vnd.acucorp', + 'xfdf' => 'application/vnd.adobe.xfdf', + 'ami' => 'application/vnd.amiga.amu', + 'mpm' => 'application/vnd.blueice.multipass', + 'cdy' => 'application/vnd.cinderella', + 'cmc' => 'application/vnd.cosmocaller', + 'wbs' => 'application/vnd.criticaltools.wbs+xml', + 'curl' => 'application/vnd.curl', + 'rdz' => 'application/vnd.data-vision.rdz', + 'dfac' => 'application/vnd.dreamfactory', + 'fsc' => 'application/vnd.fsc.weblauch', + 'txd' => 'application/vnd.genomatix.tuxedo', + 'hbci' => 'application/vnd.hbci', + 'les' => 'application/vnd.hhe.lesson-player', + 'plt' => 'application/vnd.hp-hpgl', + 'emm' => 'application/vnd.ibm.electronic-media', + 'irm' => 'application/vnd.ibm.rights-management', + 'sc' => 'application/vnd.ibm.secure-container', + 'rcprofile' => 'application/vnd.ipunplugged.rcprofile', + 'irp' => 'application/vnd.irepository.package+xml', + 'jisp' => 'application/vnd.jisp', + 'karbon' => 'application/vnd.kde.karbon', + 'chrt' => 'application/vnd.kde.kchart', + 'kfo' => 'application/vnd.kde.kformula', + 'flw' => 'application/vnd.kde.kivio', + 'kon' => 'application/vnd.kde.kontour', + 'kpr' => 'application/vnd.kde.kpresenter', + 'ksp' => 'application/vnd.kde.kspread', + 'kwd' => 'application/vnd.kde.kword', + 'htke' => 'application/vnd.kenameapp', + 'kia' => 'application/vnd.kidspiration', + 'kne' => 'application/vnd.kinar', + 'lbd' => 'application/vnd.llamagraphics.life-balance.desktop', + 'lbe' => 'application/vnd.llamagraphics.life-balance.exchange+xml', + 'wks' => 'application/vnd.lotus-1-2-3', + 'mcd' => 'application/vnd.mcd', + 'mfm' => 'application/vnd.mfmp', + 'flo' => 'application/vnd.micrografx.flo', + 'igx' => 'application/vnd.micrografx.igx', + 'mif' => 'application/vnd.mif', + 'mpn' => 'application/vnd.mophun.application', + 'mpc' => 'application/vnd.mophun.certificate', + 'xul' => 'application/vnd.mozilla.xul+xml', + 'cil' => 'application/vnd.ms-artgalry', + 'asf' => 'application/vnd.ms-asf', + 'xls' => 'application/vnd.ms-excel', + 'lrm' => 'application/vnd.ms-lrm', + 'ppt' => 'application/vnd.ms-powerpoint', + 'mpp' => 'application/vnd.ms-project', + 'base64' => 'application/vnd.ms-tnef', + 'base64' => 'application/vnd.ms-works', + 'wpl' => 'application/vnd.ms-wpl', + 'mseq' => 'application/vnd.mseq', + 'ent' => 'application/vnd.nervana', + 'rpst' => 'application/vnd.nokia.radio-preset', + 'rpss' => 'application/vnd.nokia.radio-presets', + 'odt' => 'application/vnd.oasis.opendocument.text', + 'ott' => 'application/vnd.oasis.opendocument.text-template', + 'oth' => 'application/vnd.oasis.opendocument.text-web', + 'odm' => 'application/vnd.oasis.opendocument.text-master', + 'odg' => 'application/vnd.oasis.opendocument.graphics', + 'otg' => 'application/vnd.oasis.opendocument.graphics-template', + 'odp' => 'application/vnd.oasis.opendocument.presentation', + 'otp' => 'application/vnd.oasis.opendocument.presentation-template', + 'ods' => 'application/vnd.oasis.opendocument.spreadsheet', + 'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template', + 'odc' => 'application/vnd.oasis.opendocument.chart', + 'odf' => 'application/vnd.oasis.opendocument.formula', + 'odb' => 'application/vnd.oasis.opendocument.database', + 'odi' => 'application/vnd.oasis.opendocument.image', + 'prc' => 'application/vnd.palm', + 'efif' => 'application/vnd.picsel', + 'pti' => 'application/vnd.pvi.ptid1', + 'qxd' => 'application/vnd.quark.quarkxpress', + 'sdoc' => 'application/vnd.sealed.doc', + 'seml' => 'application/vnd.sealed.eml', + 'smht' => 'application/vnd.sealed.mht', + 'sppt' => 'application/vnd.sealed.ppt', + 'sxls' => 'application/vnd.sealed.xls', + 'stml' => 'application/vnd.sealedmedia.softseal.html', + 'spdf' => 'application/vnd.sealedmedia.softseal.pdf', + 'see' => 'application/vnd.seemail', + 'mmf' => 'application/vnd.smaf', + 'sxc' => 'application/vnd.sun.xml.calc', + 'stc' => 'application/vnd.sun.xml.calc.template', + 'sxd' => 'application/vnd.sun.xml.draw', + 'std' => 'application/vnd.sun.xml.draw.template', + 'sxi' => 'application/vnd.sun.xml.impress', + 'sti' => 'application/vnd.sun.xml.impress.template', + 'sxm' => 'application/vnd.sun.xml.math', + 'sxw' => 'application/vnd.sun.xml.writer', + 'sxg' => 'application/vnd.sun.xml.writer.global', + 'stw' => 'application/vnd.sun.xml.writer.template', + 'sus' => 'application/vnd.sus-calendar', + 'vsc' => 'application/vnd.vidsoft.vidconference', + 'vsd' => 'application/vnd.visio', + 'vis' => 'application/vnd.visionary', + 'sic' => 'application/vnd.wap.sic', + 'slc' => 'application/vnd.wap.slc', + 'wbxml' => 'application/vnd.wap.wbxml', + 'wmlc' => 'application/vnd.wap.wmlc', + 'wmlsc' => 'application/vnd.wap.wmlscriptc', + 'wtb' => 'application/vnd.webturbo', + 'wpd' => 'application/vnd.wordperfect', + 'wqd' => 'application/vnd.wqd', + 'wv' => 'application/vnd.wv.csp+wbxml', + '8bit' => 'application/vnd.wv.csp+xml', + '8bit' => 'application/vnd.wv.ssp+xml', + 'hvd' => 'application/vnd.yamaha.hv-dic', + 'hvs' => 'application/vnd.yamaha.hv-script', + 'hvp' => 'application/vnd.yamaha.hv-voice', + 'saf' => 'application/vnd.yamaha.smaf-audio', + 'spf' => 'application/vnd.yamaha.smaf-phrase', + 'vmd' => 'application/vocaltec-media-desc', + 'vmf' => 'application/vocaltec-media-file', + 'vtk' => 'application/vocaltec-talker', + 'wif' => 'application/watcherinfo+xml', + 'wp5' => 'application/wordperfect5.1', + 'wk' => 'application/x-123', + '7ls' => 'application/x-7th_level_event', + 'aab' => 'application/x-authorware-bin', + 'aam' => 'application/x-authorware-map', + 'aas' => 'application/x-authorware-seg', + 'bcpio' => 'application/x-bcpio', + 'bleep' => 'application/x-bleeper', + 'bz2' => 'application/x-bzip2', + 'vcd' => 'application/x-cdlink', + 'chat' => 'application/x-chat', + 'pgn' => 'application/x-chess-pgn', + 'z' => 'application/x-compress', + 'cpio' => 'application/x-cpio', + 'pqf' => 'application/x-cprplayer', + 'csh' => 'application/x-csh', + 'csm' => 'application/x-cu-seeme', + 'co' => 'application/x-cult3d-object', + 'deb' => 'application/x-debian-package', + 'dcr' => 'application/x-director', + 'dir' => 'application/x-director', + 'dxr' => 'application/x-director', + 'dvi' => 'application/x-dvi', + 'evy' => 'application/x-envoy', + 'spl' => 'application/x-futuresplash', + 'gtar' => 'application/x-gtar', + 'gz' => 'application/x-gzip', + 'hdf' => 'application/x-hdf', + 'hep' => 'application/x-hep', + 'rhtml' => 'application/x-html+ruby', + 'mv' => 'application/x-httpd-miva', + 'phtml' => 'application/x-httpd-php', + 'ica' => 'application/x-ica', + 'imagemap' => 'application/x-imagemap', + 'ipx' => 'application/x-ipix', + 'ips' => 'application/x-ipscript', + 'jar' => 'application/x-java-archive', + 'jnlp' => 'application/x-java-jnlp-file', + 'ser' => 'application/x-java-serialized-object', + 'class' => 'application/x-java-vm', + 'js' => 'application/x-javascript', + 'skp' => 'application/x-koan', + 'latex' => 'application/x-latex', + 'cpt' => 'application/x-mac-compactpro', + 'frm' => 'application/x-maker', + 'mcd' => 'application/x-mathcad', + 'mid' => 'application/x-midi', + 'mif' => 'application/x-mif', + 'mda' => 'application/x-msaccess', + 'cmd' => 'application/x-msdos-program', + 'com' => 'application/x-msdos-program', + 'base64' => 'application/x-msdownload', + 'xls' => 'application/x-msexcel', + 'doc' => 'application/x-msword', + 'nc' => 'application/x-netcdf', + 'pac' => 'application/x-ns-proxy-autoconfig', + 'pm5' => 'application/x-pagemaker', + 'pl' => 'application/x-perl', + 'rp' => 'application/x-pn-realmedia', + 'py' => 'application/x-python', + 'qtl' => 'application/x-quicktimeplayer', + 'rar' => 'application/x-rar-compressed', + 'rb' => 'application/x-ruby', + 'sh' => 'application/x-sh', + 'shar' => 'application/x-shar', + 'swf' => 'application/x-shockwave-flash', + 'spr' => 'application/x-sprite', + 'sav' => 'application/x-spss', + 'spt' => 'application/x-spt', + 'sit' => 'application/x-stuffit', + 'sv4cpio' => 'application/x-sv4cpio', + 'sv4crc' => 'application/x-sv4crc', + 'tar' => 'application/x-tar', + 'tcl' => 'application/x-tcl', + 'tex' => 'application/x-tex', + 'texinfo' => 'application/x-texinfo', + 't' => 'application/x-troff', + 'man' => 'application/x-troff-man', + 'me' => 'application/x-troff-me', + 'ms' => 'application/x-troff-ms', + 'vqf' => 'application/x-twinvq', + 'vqe' => 'application/x-twinvq-plugin', + 'ustar' => 'application/x-ustar', + 'bck' => 'application/x-vmsbackup', + 'src' => 'application/x-wais-source', + 'wz' => 'application/x-wingz', + 'base64' => 'application/x-word', + 'wp6' => 'application/x-wordperfect6.1', + 'crt' => 'application/x-x509-ca-cert', + 'zip' => 'application/x-zip-compressed', + 'xhtml' => 'application/xhtml+xml', + 'zip' => 'application/zip', + '3gpp' => 'audio/3gpp', + 'amr' => 'audio/amr', + 'awb' => 'audio/amr-wb', + 'au' => 'audio/basic', + 'evc' => 'audio/evrc', + 'l16' => 'audio/l16', + 'mid' => 'audio/midi', + 'mp3' => 'audio/mpeg', + 'mpga' => 'audio/mpeg', + 'sid' => 'audio/prs.sid', + 'qcp' => 'audio/qcelp', + 'smv' => 'audio/smv', + 'koz' => 'audio/vnd.audiokoz', + 'eol' => 'audio/vnd.digital-winds', + 'plj' => 'audio/vnd.everad.plj', + 'lvp' => 'audio/vnd.lucent.voice', + 'mxmf' => 'audio/vnd.nokia.mobile-xmf', + 'vbk' => 'audio/vnd.nortel.vbk', + 'ecelp4800' => 'audio/vnd.nuera.ecelp4800', + 'ecelp7470' => 'audio/vnd.nuera.ecelp7470', + 'ecelp9600' => 'audio/vnd.nuera.ecelp9600', + 'smp3' => 'audio/vnd.sealedmedia.softseal.mpeg', + 'vox' => 'audio/voxware', + 'aif' => 'audio/x-aiff', + 'mid' => 'audio/x-mid', + 'mid' => 'audio/x-midi', + 'mp2' => 'audio/x-mpeg', + 'mpu' => 'audio/x-mpegurl', + 'ra' => 'audio/x-pn-realaudio', + 'rm' => 'audio/x-pn-realaudio', + 'rpm' => 'audio/x-pn-realaudio-plugin', + 'ra' => 'audio/x-realaudio', + 'wav' => 'audio/x-wav', + 'csm' => 'chemical/x-csml', + 'emb' => 'chemical/x-embl-dl-nucleotide', + 'cube' => 'chemical/x-gaussian-cube', + 'gau' => 'chemical/x-gaussian-input', + 'jdx' => 'chemical/x-jcamp-dx', + 'mol' => 'chemical/x-mdl-molfile', + 'rxn' => 'chemical/x-mdl-rxnfile', + 'tgf' => 'chemical/x-mdl-tgf', + 'mop' => 'chemical/x-mopac-input', + 'pdb' => 'chemical/x-pdb', + 'scr' => 'chemical/x-rasmol', + 'xyz' => 'chemical/x-xyz', + 'dwf' => 'drawing/dwf', + 'dwf' => 'drawing/x-dwf', + 'ivr' => 'i-world/i-vrml', + 'bmp' => 'image/bmp', + 'wif' => 'image/cewavelet', + 'cod' => 'image/cis-cod', + 'fif' => 'image/fif', + 'gif' => 'image/gif', + 'ief' => 'image/ief', + 'jp2' => 'image/jp2', + 'jpeg' => 'image/jpeg', + 'jpg' => 'image/jpeg', + 'jpm' => 'image/jpm', + 'jpf' => 'image/jpx', + 'pic' => 'image/pict', + 'jpg' => 'image/pjpeg', + 'png' => 'image/png', + 'tga' => 'image/targa', + 'tif' => 'image/tiff', + 'tiff' => 'image/tiff', + 'svf' => 'image/vn-svf', + 'dgn' => 'image/vnd.dgn', + 'djvu' => 'image/vnd.djvu', + 'dwg' => 'image/vnd.dwg', + 'pgb' => 'image/vnd.glocalgraphics.pgb', + 'ico' => 'image/vnd.microsoft.icon', + 'mdi' => 'image/vnd.ms-modi', + 'spng' => 'image/vnd.sealed.png', + 'sgif' => 'image/vnd.sealedmedia.softseal.gif', + 'sjpg' => 'image/vnd.sealedmedia.softseal.jpg', + 'wbmp' => 'image/vnd.wap.wbmp', + 'bmp' => 'image/x-bmp', + 'ras' => 'image/x-cmu-raster', + 'fh4' => 'image/x-freehand', + 'png' => 'image/x-png', + 'pnm' => 'image/x-portable-anymap', + 'pbm' => 'image/x-portable-bitmap', + 'pgm' => 'image/x-portable-graymap', + 'ppm' => 'image/x-portable-pixmap', + 'rgb' => 'image/x-rgb', + 'xbm' => 'image/x-xbitmap', + 'xpm' => 'image/x-xpixmap', + 'xwd' => 'image/x-xwindowdump', + '8bit' => 'message/external-body', + '8bit' => 'message/news', + '8bit' => 'message/partial', + '8bit' => 'message/rfc822', + 'igs' => 'model/iges', + 'msh' => 'model/mesh', + 'x_b' => 'model/vnd.parasolid.transmit.binary', + 'x_t' => 'model/vnd.parasolid.transmit.text', + 'vrm' => 'model/vrml', + 'wrl' => 'model/vrml', + '8bit' => 'multipart/alternative', + '8bit' => 'multipart/appledouble', + '8bit' => 'multipart/digest', + '8bit' => 'multipart/mixed', + '8bit' => 'multipart/parallel', + 'csv' => 'text/comma-separated-values', + 'css' => 'text/css', + 'htm' => 'text/html', + 'html' => 'text/html', + 'txt' => 'text/plain', + 'rst' => 'text/prs.fallenstein.rst', + 'rtx' => 'text/richtext', + 'rtf' => 'text/rtf', + 'sgm' => 'text/sgml', + 'sgml' => 'text/sgml', + 'tsv' => 'text/tab-separated-values', + 'ccc' => 'text/vnd.net2phone.commcenter.command', + 'jad' => 'text/vnd.sun.j2me.app-descriptor', + 'si' => 'text/vnd.wap.si', + 'sl' => 'text/vnd.wap.sl', + 'wml' => 'text/vnd.wap.wml', + 'wmls' => 'text/vnd.wap.wmlscript', + 'hdml' => 'text/x-hdml', + 'etx' => 'text/x-setext', + 'sgml' => 'text/x-sgml', + 'talk' => 'text/x-speech', + 'vcs' => 'text/x-vcalendar', + 'vcf' => 'text/x-vcard', + 'xml' => 'text/xml', + 'uvr' => 'ulead/vrml', + '3gp' => 'video/3gpp', + 'dl' => 'video/dl', + 'gl' => 'video/gl', + 'mj2' => 'video/mj2', + 'mp2' => 'video/mpeg', + 'mpeg' => 'video/mpeg', + 'mpg' => 'video/mpeg', + 'mov' => 'video/quicktime', + 'qt' => 'video/quicktime', + 'vdo' => 'video/vdo', + 'viv' => 'video/vivo', + 'fvt' => 'video/vnd.fvt', + 'mxu' => 'video/vnd.mpegurl', + 'nim' => 'video/vnd.nokia.interleaved-multimedia', + 'mp4' => 'video/vnd.objectvideo', + 's11' => 'video/vnd.sealed.mpeg1', + 'smpg' => 'video/vnd.sealed.mpeg4', + 'sswf' => 'video/vnd.sealed.swf', + 'smov' => 'video/vnd.sealedmedia.softseal.mov', + 'viv' => 'video/vnd.vivo', + 'vivo' => 'video/vnd.vivo', + 'fli' => 'video/x-fli', + 'asf' => 'video/x-ms-asf', + 'wmv' => 'video/x-ms-wmv', + 'avi' => 'video/x-msvideo', + 'movie' => 'video/x-sgi-movie', + 'pdb' => 'x-chemical/x-pdb', + 'xyz' => 'x-chemical/x-xyz', + 'ice' => 'x-conference/x-cooltalk', + 'dwf' => 'x-drawing/dwf', + 'd' => 'x-world/x-d96', + 'svr' => 'x-world/x-svr', + 'vrw' => 'x-world/x-vream', + 'wrl' => 'x-world/x-vrml', +); diff --git a/framework/web/CUploadedFile.php b/framework/web/CUploadedFile.php index ea1741545..84a4d0a60 100644 --- a/framework/web/CUploadedFile.php +++ b/framework/web/CUploadedFile.php @@ -134,7 +134,8 @@ class CUploadedFile extends CComponent /** * @return string the MIME-type of the uploaded file (such as "image/gif"). - * Since this mime type is not checked on the server side, do not take its value for granted. + * Since this MIME type is not checked on the server side, do not take this value for granted. + * Instead, use {@link CFileHelper::getMimeType} to determine the exact MIME type. */ public function getType() {