CFLib.org – Common Function Library Project

Description:
getMimeType returns a string containing the mime type and subtype when given a file name and extention.

Return Values:
Returns a string.

Example:

<cfoutput>
#getMimeType("myMSWordDoc.doc")#
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Returns mime type and subtype for a file.
 * 
 * @param filename      File name to examine. (Required)
 * @return Returns a string. 
 * @author Kenneth Rainey (kip.rainey@incapital.com) 
 * @version 1, April 21, 2004 
 */
function getMimeType(filename) {
    var mimeStruct=structNew();
    var fileExtension ="";
    //extract file extension from file name
    fileExtension = Reverse(SpanExcluding(Reverse(fileName),"."));
    //build mime type array
    mimeStruct.ai="application/postscript";
    mimeStruct.aif="audio/x-aiff";
    mimeStruct.aifc="audio/x-aiff";
    mimeStruct.aiff="audio/x-aiff";
    mimeStruct.asc="text/plain";
    mimeStruct.au="audio/basic";
    mimeStruct.avi="video/x-msvideo";
    mimeStruct.bcpio="application/x-bcpio";
    mimeStruct.bin="application/octet-stream";
    mimeStruct.c="text/plain";
    mimeStruct.cc="text/plain";
    mimeStruct.ccad="application/clariscad";
    mimeStruct.cdf="application/x-netcdf";
    mimeStruct.class="application/octet-stream";
    mimeStruct.cpio="application/x-cpio";
    mimeStruct.cpt="application/mac-compactpro";
    mimeStruct.csh="application/x-csh";
    mimeStruct.css="text/css";
    mimeStruct.dcr="application/x-director";
    mimeStruct.dir="application/x-director";
    mimeStruct.dms="application/octet-stream";
    mimeStruct.doc="application/msword";
    mimeStruct.drw="application/drafting";
    mimeStruct.dvi="application/x-dvi";
    mimeStruct.dwg="application/acad";
    mimeStruct.dxf="application/dxf";
    mimeStruct.dxr="application/x-director";
    mimeStruct.eps="application/postscript";
    mimeStruct.etx="text/x-setext";
    mimeStruct.exe="application/octet-stream";
    mimeStruct.ez="application/andrew-inset";
    mimeStruct.f="text/plain";
    mimeStruct.f90="text/plain";
    mimeStruct.fli="video/x-fli";
    mimeStruct.gif="image/gif";
    mimeStruct.gtar="application/x-gtar";
    mimeStruct.gz="application/x-gzip";
    mimeStruct.h="text/plain";
    mimeStruct.hdf="application/x-hdf";
    mimeStruct.hh="text/plain";
    mimeStruct.hqx="application/mac-binhex40";
    mimeStruct.htm="text/html";
    mimeStruct.html="text/html";
    mimeStruct.ice="x-conference/x-cooltalk";
    mimeStruct.ief="image/ief";
    mimeStruct.iges="model/iges";
    mimeStruct.igs="model/iges";
    mimeStruct.ips="application/x-ipscript";
    mimeStruct.ipx="application/x-ipix";
    mimeStruct.jpe="image/jpeg";
    mimeStruct.jpeg="image/jpeg";
    mimeStruct.jpg="image/jpeg";
    mimeStruct.js="application/x-javascript";
    mimeStruct.kar="audio/midi";
    mimeStruct.latex="application/x-latex";
    mimeStruct.lha="application/octet-stream";
    mimeStruct.lsp="application/x-lisp";
    mimeStruct.lzh="application/octet-stream";
    mimeStruct.m="text/plain";
    mimeStruct.man="application/x-troff-man";
    mimeStruct.me="application/x-troff-me";
    mimeStruct.mesh="model/mesh";
    mimeStruct.mid="audio/midi";
    mimeStruct.midi="audio/midi";
    mimeStruct.mif="application/vnd.mif";
    mimeStruct.mime="www/mime";
    mimeStruct.mov="video/quicktime";
    mimeStruct.movie="video/x-sgi-movie";
    mimeStruct.mp2="audio/mpeg";
    mimeStruct.mp3="audio/mpeg";
    mimeStruct.mpe="video/mpeg";
    mimeStruct.mpeg="video/mpeg";
    mimeStruct.mpg="video/mpeg";
    mimeStruct.mpga="audio/mpeg";
    mimeStruct.ms="application/x-troff-ms";
    mimeStruct.msh="model/mesh";
    mimeStruct.nc="application/x-netcdf";
    mimeStruct.oda="application/oda";
    mimeStruct.pbm="image/x-portable-bitmap";
    mimeStruct.pdb="chemical/x-pdb";
    mimeStruct.pdf="application/pdf";
    mimeStruct.pgm="image/x-portable-graymap";
    mimeStruct.pgn="application/x-chess-pgn";
    mimeStruct.png="image/png";
    mimeStruct.pnm="image/x-portable-anymap";
    mimeStruct.pot="application/mspowerpoint";
    mimeStruct.ppm="image/x-portable-pixmap";
    mimeStruct.pps="application/mspowerpoint";
    mimeStruct.ppt="application/mspowerpoint";
    mimeStruct.ppz="application/mspowerpoint";
    mimeStruct.pre="application/x-freelance";
    mimeStruct.prt="application/pro_eng";
    mimeStruct.ps="application/postscript";
    mimeStruct.qt="video/quicktime";
    mimeStruct.ra="audio/x-realaudio";
    mimeStruct.ram="audio/x-pn-realaudio";
    mimeStruct.ras="image/cmu-raster";
    mimeStruct.rgb="image/x-rgb";
    mimeStruct.rm="audio/x-pn-realaudio";
    mimeStruct.roff="application/x-troff";
    mimeStruct.rpm="audio/x-pn-realaudio-plugin";
    mimeStruct.rtf="text/rtf";
    mimeStruct.rtx="text/richtext";
    mimeStruct.scm="application/x-lotusscreencam";
    mimeStruct.set="application/set";
    mimeStruct.sgm="text/sgml";
    mimeStruct.sgml="text/sgml";
    mimeStruct.sh="application/x-sh";
    mimeStruct.shar="application/x-shar";
    mimeStruct.silo="model/mesh";
    mimeStruct.sit="application/x-stuffit";
    mimeStruct.skd="application/x-koan";
    mimeStruct.skm="application/x-koan";
    mimeStruct.skp="application/x-koan";
    mimeStruct.skt="application/x-koan";
    mimeStruct.smi="application/smil";
    mimeStruct.smil="application/smil";
    mimeStruct.snd="audio/basic";
    mimeStruct.sol="application/solids";
    mimeStruct.spl="application/x-futuresplash";
    mimeStruct.src="application/x-wais-source";
    mimeStruct.step="application/STEP";
    mimeStruct.stl="application/SLA";
    mimeStruct.stp="application/STEP";
    mimeStruct.sv4cpio="application/x-sv4cpio";
    mimeStruct.sv4crc="application/x-sv4crc";
    mimeStruct.swf="application/x-shockwave-flash";
    mimeStruct.t="application/x-troff";
    mimeStruct.tar="application/x-tar";
    mimeStruct.tcl="application/x-tcl";
    mimeStruct.tex="application/x-tex";
    mimeStruct.texi="application/x-texinfo";
    mimeStruct.texinfo="application/x-texinfo";
    mimeStruct.tif="image/tiff";
    mimeStruct.tiff="image/tiff";
    mimeStruct.tr="application/x-troff";
    mimeStruct.tsi="audio/TSP-audio";
    mimeStruct.tsp="application/dsptype";
    mimeStruct.tsv="text/tab-separated-values";
    mimeStruct.txt="text/plain";
    mimeStruct.unv="application/i-deas";
    mimeStruct.ustar="application/x-ustar";
    mimeStruct.vcd="application/x-cdlink";
    mimeStruct.vda="application/vda";
    mimeStruct.viv="video/vnd.vivo";
    mimeStruct.vivo="video/vnd.vivo";
    mimeStruct.vrml="model/vrml";
    mimeStruct.wav="audio/x-wav";
    mimeStruct.wrl="model/vrml";
    mimeStruct.xbm="image/x-xbitmap";
    mimeStruct.xlc="application/vnd.ms-excel";
    mimeStruct.xll="application/vnd.ms-excel";
    mimeStruct.xlm="application/vnd.ms-excel";
    mimeStruct.xls="application/vnd.ms-excel";
    mimeStruct.xlw="application/vnd.ms-excel";
    mimeStruct.xml="text/xml";
    mimeStruct.xpm="image/x-xpixmap";
    mimeStruct.xwd="image/x-xwindowdump";
    mimeStruct.xyz="chemical/x-pdb";
    mimeStruct.zip="application/zip";
    if(structKeyExists(mimeStruct,fileExtension)) return mimeStruct[fileExtension];
    else return "unknown/unknown";
}