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class.mimetype.php
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class.mimetype.php
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<?php
/**
Copyright (C) 2002 Jason Sheets <jsheets@shadonet.com>.
All rights reserved.
THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the project nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
**/
/**
Name: PHP MimeType Class
Version: 1.0
Date Released: 10/20/02
Description: This class allows a PHP script to determine the mime type
a file based on the file extension. This class is handy for PHP versions
without the benefit of other tools to determine the mime type. The class
defaults to octet-stream so if the file type is not recognized the user
is presented with a file download prompt.
NOTES: The mime types for this version are based on Apache 1.3.27
mime types may change or need to be added in the future, the mime types
are stored in an array so that an awk or other script can automatically
generate the code to make the array.
Usage:
First an instance of the mimetype class must be created, then the
getType method should be called with the filename. It will return
the mime type, an example follows.
Example:
$mimetype = new mimetype();
print $mimetype->getType('acrobat.pdf');
Author: Jason Sheets <jsheets@shadonet.com>
License: This script is distributed under the BSD License, you are free
to use, or modify it however you like. If you find this script useful please
e-mail me.
**/
class mimetype {
function getType($filename) {
// get base name of the filename provided by user
$filename = basename($filename);
// break file into parts seperated by .
$filename = explode('.', $filename);
// take the last part of the file to get the file extension
$filename = $filename[count($filename)-1];
// find mime type
return $this->privFindType($filename);
}
function privFindType($ext) {
// create mimetypes array
$mimetypes = $this->privBuildMimeArray();
// return mime type for extension
if (isset($mimetypes[$ext])) {
return $mimetypes[$ext];
// if the extension wasn't found return octet-stream
} else {
return 'application/octet-stream';
}
}
function privBuildMimeArray() {
return array(
"ez" => "application/andrew-inset",
"hqx" => "application/mac-binhex40",
"cpt" => "application/mac-compactpro",
"doc" => "application/msword",
"bin" => "application/octet-stream",
"dms" => "application/octet-stream",
"lha" => "application/octet-stream",
"lzh" => "application/octet-stream",
"exe" => "application/octet-stream",
"class" => "application/octet-stream",
"so" => "application/octet-stream",
"dll" => "application/octet-stream",
"oda" => "application/oda",
"pdf" => "application/pdf",
"ai" => "application/postscript",
"eps" => "application/postscript",
"ps" => "application/postscript",
"smi" => "application/smil",
"smil" => "application/smil",
"wbxml" => "application/vnd.wap.wbxml",
"wmlc" => "application/vnd.wap.wmlc",
"wmlsc" => "application/vnd.wap.wmlscriptc",
"bcpio" => "application/x-bcpio",
"vcd" => "application/x-cdlink",
"pgn" => "application/x-chess-pgn",
"cpio" => "application/x-cpio",
"csh" => "application/x-csh",
"dcr" => "application/x-director",
"dir" => "application/x-director",
"dxr" => "application/x-director",
"dvi" => "application/x-dvi",
"spl" => "application/x-futuresplash",
"gtar" => "application/x-gtar",
"hdf" => "application/x-hdf",
"js" => "application/x-javascript",
"skp" => "application/x-koan",
"skd" => "application/x-koan",
"skt" => "application/x-koan",
"skm" => "application/x-koan",
"latex" => "application/x-latex",
"nc" => "application/x-netcdf",
"cdf" => "application/x-netcdf",
"sh" => "application/x-sh",
"shar" => "application/x-shar",
"swf" => "application/x-shockwave-flash",
"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",
"texi" => "application/x-texinfo",
"t" => "application/x-troff",
"tr" => "application/x-troff",
"roff" => "application/x-troff",
"man" => "application/x-troff-man",
"me" => "application/x-troff-me",
"ms" => "application/x-troff-ms",
"ustar" => "application/x-ustar",
"src" => "application/x-wais-source",
"xhtml" => "application/xhtml+xml",
"xht" => "application/xhtml+xml",
"zip" => "application/zip",
"au" => "audio/basic",
"snd" => "audio/basic",
"mid" => "audio/midi",
"midi" => "audio/midi",
"kar" => "audio/midi",
"mpga" => "audio/mpeg",
"mp2" => "audio/mpeg",
"mp3" => "audio/mpeg",
"aif" => "audio/x-aiff",
"aiff" => "audio/x-aiff",
"aifc" => "audio/x-aiff",
"m3u" => "audio/x-mpegurl",
"ram" => "audio/x-pn-realaudio",
"rm" => "audio/x-pn-realaudio",
"rpm" => "audio/x-pn-realaudio-plugin",
"ra" => "audio/x-realaudio",
"wav" => "audio/x-wav",
"pdb" => "chemical/x-pdb",
"xyz" => "chemical/x-xyz",
"bmp" => "image/bmp",
"gif" => "image/gif",
"ief" => "image/ief",
"jpeg" => "image/jpeg",
"jpg" => "image/jpeg",
"jpe" => "image/jpeg",
"png" => "image/png",
"tiff" => "image/tiff",
"tif" => "image/tif",
"djvu" => "image/vnd.djvu",
"djv" => "image/vnd.djvu",
"wbmp" => "image/vnd.wap.wbmp",
"ras" => "image/x-cmu-raster",
"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-windowdump",
"igs" => "model/iges",
"iges" => "model/iges",
"msh" => "model/mesh",
"mesh" => "model/mesh",
"silo" => "model/mesh",
"wrl" => "model/vrml",
"vrml" => "model/vrml",
"css" => "text/css",
"html" => "text/html",
"htm" => "text/html",
"asc" => "text/plain",
"txt" => "text/plain",
"rtx" => "text/richtext",
"rtf" => "text/rtf",
"sgml" => "text/sgml",
"sgm" => "text/sgml",
"tsv" => "text/tab-seperated-values",
"wml" => "text/vnd.wap.wml",
"wmls" => "text/vnd.wap.wmlscript",
"etx" => "text/x-setext",
"xml" => "text/xml",
"xsl" => "text/xml",
"mpeg" => "video/mpeg",
"mpg" => "video/mpeg",
"mpe" => "video/mpeg",
"qt" => "video/quicktime",
"mov" => "video/quicktime",
"mxu" => "video/vnd.mpegurl",
"avi" => "video/x-msvideo",
"movie" => "video/x-sgi-movie",
"ice" => "x-conference-xcooltalk",
"docx" => "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"pptx" => "application/vnd.openxmlformats-officedocument.presentationml.presentation",
"xlsx" => "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
);
}
}