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index.php
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<?php
/**
* A Simple PHP "Origin Pull" CDN Passthrough caching class,
* which enables you to create a simple CDN for automatic
* mirroring of static content on a faster, lesser loaded server.
*
* Usage: new SimplePOPCDN('http://origin.com', './cache/', '/subdir', 2592000);
* @version 1.1
* @author Lawrence Cherone <[email protected]>
*/
class SimplePOPCDN
{
/**
* @param string $origin Host that we want to mirror resources
* @param string $cache_path Path to cache directory
* @param string $fix_request Remove part of the request path to fix if THIS script is sitting in a subdir
* @param int $cache_expire Amount of time in seconds cache is valid for. 2628000 = 1 month
*/
function __construct($origin = null, $cache_path = null, $fix_request = null, $cache_expire = 2628000)
{
$this->origin = $origin;
$this->request = ($fix_request !== null) ? str_replace($fix_request, '', $_SERVER['REQUEST_URI']) : $_SERVER['REQUEST_URI'];
$this->request_part = parse_url($this->request);
$this->request_info = pathinfo($this->request_part['path']);
$this->cache_path = $cache_path;
$this->cache_expire = (int) $cache_expire;
// setup - see massive list of mimes below if you need to handle more
$this->setup(array(
'gif',
'jpg',
'png',
'ico',
'js',
'css',
'xml',
'kml',
'json',
'txt',
'eot',
'svg',
'otf',
'ttf',
'woff',
'woff2'
));
// go...
$this->handle();
}
/**
*
*/
private function setup($accepted = array())
{
// define extension if not set
if (!isset($this->request_info['extension'])) {
$this->request_info['extension'] = null;
}
// get mime type from accepted types
$this->request_info['mime'] = $this->mime_type($this->request_info['extension'], $accepted);
// path extension was or is empty
if (empty($this->request_info['extension'])) {
$this->error($_SERVER['SERVER_PROTOCOL'].' 403 Forbidden');
} elseif (empty($this->request_info['mime'])) {
// path extension is not supported
$this->error($_SERVER['SERVER_PROTOCOL'].' 415 Unsupported Media Type');
}
// set cache name hash from request
$this->cache_name = hash('sha256', $this->request);
// set final working cache_path
$this->cache_full = $this->cache_path.$this->cache_name.'.'.$this->request_info['extension'];
}
/**
*
*/
private function handle()
{
// Setup Gzip based on client accept header
ob_clean();
if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) && substr_count($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip')) {
ob_start("ob_gzhandler");
} else {
ob_start();
}
ob_implicit_flush(0);
// Check local cache for file
if (file_exists($this->cache_full)) {
// Set resource last modified time
$this->modified = filemtime($this->cache_full);
// Check client cache if found send 304
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && (strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $this->modified)) {
header($_SERVER['SERVER_PROTOCOL'] . ' 304 Not Modified');
} else {
// Send responce headers
header('Pragma: public');
header("Cache-Control: max-age={$this->cache_expire}");
header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + $this->cache_expire));
header('Last-Modified: ' . gmdate('D, d M Y H:i:s \G\M\T', $this->modified));
header("Content-Type: {$this->request_info['mime']}");
header("Access-Control-Allow-Origin: *");
header('X-Content-Type-Options: nosniff');
header('X-XSS-Protection: 1; mode=block');
header('Server: CDNServer');
header('X-Powered-By: SimplePOPCDN');
// Stream file
set_time_limit(0);
$h = gzopen($this->cache_full, 'rb');
while ($line = gzgets($h, 4096)){
echo $line;
}
gzclose($h);
}
} else {
// HEAD request - To verify the origin resource exists
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_URL => $this->origin.$this->request,
CURLOPT_TIMEOUT => 5,
CURLOPT_CONNECTTIMEOUT => 5,
CURLOPT_FAILONERROR => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_BINARYTRANSFER => true,
CURLOPT_HEADER => false,
CURLOPT_NOBODY => true,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_FOLLOWLOCATION => true
));
// Origin remote file found, lets grab it
if (curl_exec($ch) !== false) {
$fp = fopen($this->cache_full, 'a+b');
if (flock($fp, LOCK_EX | LOCK_NB)) {
// Empty *possible* contents
ftruncate($fp, 0);
rewind($fp);
// HTTP GET request - write directly to the file
$ch2 = curl_init();
curl_setopt_array($ch2, array(
CURLOPT_URL => $this->origin.$this->request,
CURLOPT_TIMEOUT => 5,
CURLOPT_CONNECTTIMEOUT => 5,
CURLOPT_FAILONERROR => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_BINARYTRANSFER => true,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_HEADER => false,
CURLOPT_FILE => $fp
));
// Transfer failed
if (curl_exec($ch2) === false) {
ftruncate($fp, 0);
}
fflush($fp);
flock($fp, LOCK_UN);
curl_close($ch2);
}
fclose($fp);
// Close curl
curl_close($ch);
// Attempt to load cached file contents to serve
if (file_exists($this->cache_full)) {
// Get modified time
$this->modified = filemtime($this->cache_full);
// Send responce headers
header('Pragma: public');
header("Cache-Control: max-age={$this->cache_expire}");
header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + $this->cache_expire));
header('Last-Modified: ' . gmdate('D, d M Y H:i:s \G\M\T', $this->modified));
header("Content-Type: {$this->request_info['mime']}");
header("Access-Control-Allow-Origin: *");
header('X-Content-Type-Options: nosniff');
header('X-XSS-Protection: 1; mode=block');
header('Server: CDNServer');
header('X-Powered-By: SimplePOPCDN');
// Stream file
set_time_limit(0);
$h = gzopen($this->cache_full, 'rb');
while ($line = gzgets($h, 4096)) {
echo $line;
}
gzclose($h);
} else {
// Issue a 307 Temporary Redirect
exit(header('Location: '.$this->origin.$this->request, true, 307));
}
} else {
// File not found, issue 404
$this->error($_SERVER['SERVER_PROTOCOL'].' 404 Not Found');
}
}
// Cont.. Gzip header check
if (headers_sent()) {
$encoding = false;
} elseif (isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'x-gzip') !== false) {
$encoding = 'x-gzip';
} elseif (isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos($_SERVER['HTTP_ACCEPT_ENCODING'],'gzip') !== false) {
$encoding = 'gzip';
} else {
$encoding = false;
}
// Finally output the buffer
if ($encoding) {
$contents = ob_get_contents();
ob_end_clean();
header('Content-Encoding: '.$encoding);
echo "\x1f\x8b\x08\x00\x00\x00\x00\x00";
$size = strlen($contents);
exit(substr(gzcompress($contents, 9), 0, $size));
} else {
ob_end_flush();
exit();
}
}
/**
* Error response, sets message in basic html response for non success
*
* @param string $header
* @param string $msg
*/
private function error($header = "HTTP/1.1 404 Not Found", $message = "")
{
header($header);
header('Content-Type: text/html');
header('Cache-Control: private');
exit('<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>'.$this->origin.' CDN | '.htmlspecialchars($header).'</title></head><body><h1><a href="'.$this->origin.'">'.$this->origin.'</a> CDN - '.htmlspecialchars($header).'</h1><p>'.$message.'</p></body></html>');
}
/**
* Get mime type
*
* @param string $extension
* @param array $accepted
* @return string
*/
private function mime_type($extension = null, $accepted = array())
{
$mime_types = array(
'123' => 'application/vnd.lotus-1-2-3',
'3dml' => 'text/vnd.in3d.3dml',
'3ds' => 'image/x-3ds',
'3g2' => 'video/3gpp2',
'3gp' => 'video/3gpp',
'7z' => 'application/x-7z-compressed',
'aab' => 'application/x-authorware-bin',
'aac' => 'audio/x-aac',
'aam' => 'application/x-authorware-map',
'aas' => 'application/x-authorware-seg',
'abw' => 'application/x-abiword',
'ac' => 'application/pkix-attr-cert',
'acc' => 'application/vnd.americandynamics.acc',
'ace' => 'application/x-ace-compressed',
'acu' => 'application/vnd.acucobol',
'acutc' => 'application/vnd.acucorp',
'adp' => 'audio/adpcm',
'aep' => 'application/vnd.audiograph',
'afm' => 'application/x-font-type1',
'afp' => 'application/vnd.ibm.modcap',
'ahead' => 'application/vnd.ahead.space',
'ai' => 'application/postscript',
'aif' => 'audio/x-aiff',
'aifc' => 'audio/x-aiff',
'aiff' => 'audio/x-aiff',
'air' => 'application/vnd.adobe.air-application-installer-package+zip',
'ait' => 'application/vnd.dvb.ait',
'ami' => 'application/vnd.amiga.ami',
'apk' => 'application/vnd.android.package-archive',
'appcache' => 'text/cache-manifest',
'application' => 'application/x-ms-application',
'apr' => 'application/vnd.lotus-approach',
'arc' => 'application/x-freearc',
'asc' => 'application/pgp-signature',
'asf' => 'video/x-ms-asf',
'asm' => 'text/x-asm',
'aso' => 'application/vnd.accpac.simply.aso',
'asx' => 'video/x-ms-asf',
'atc' => 'application/vnd.acucorp',
'atom' => 'application/atom+xml',
'atomcat' => 'application/atomcat+xml',
'atomsvc' => 'application/atomsvc+xml',
'atx' => 'application/vnd.antix.game-component',
'au' => 'audio/basic',
'avi' => 'video/x-msvideo',
'aw' => 'application/applixware',
'azf' => 'application/vnd.airzip.filesecure.azf',
'azs' => 'application/vnd.airzip.filesecure.azs',
'azw' => 'application/vnd.amazon.ebook',
'bat' => 'application/x-msdownload',
'bcpio' => 'application/x-bcpio',
'bdf' => 'application/x-font-bdf',
'bdm' => 'application/vnd.syncml.dm+wbxml',
'bed' => 'application/vnd.realvnc.bed',
'bh2' => 'application/vnd.fujitsu.oasysprs',
'bin' => 'application/octet-stream',
'blb' => 'application/x-blorb',
'blorb' => 'application/x-blorb',
'bmi' => 'application/vnd.bmi',
'bmp' => 'image/bmp',
'book' => 'application/vnd.framemaker',
'box' => 'application/vnd.previewsystems.box',
'boz' => 'application/x-bzip2',
'bpk' => 'application/octet-stream',
'btif' => 'image/prs.btif',
'bz' => 'application/x-bzip',
'bz2' => 'application/x-bzip2',
'c' => 'text/x-c',
'c11amc' => 'application/vnd.cluetrust.cartomobile-config',
'c11amz' => 'application/vnd.cluetrust.cartomobile-config-pkg',
'c4d' => 'application/vnd.clonk.c4group',
'c4f' => 'application/vnd.clonk.c4group',
'c4g' => 'application/vnd.clonk.c4group',
'c4p' => 'application/vnd.clonk.c4group',
'c4u' => 'application/vnd.clonk.c4group',
'cab' => 'application/vnd.ms-cab-compressed',
'caf' => 'audio/x-caf',
'cap' => 'application/vnd.tcpdump.pcap',
'car' => 'application/vnd.curl.car',
'cat' => 'application/vnd.ms-pki.seccat',
'cb7' => 'application/x-cbr',
'cba' => 'application/x-cbr',
'cbr' => 'application/x-cbr',
'cbt' => 'application/x-cbr',
'cbz' => 'application/x-cbr',
'cc' => 'text/x-c',
'cct' => 'application/x-director',
'ccxml' => 'application/ccxml+xml',
'cdbcmsg' => 'application/vnd.contact.cmsg',
'cdf' => 'application/x-netcdf',
'cdkey' => 'application/vnd.mediastation.cdkey',
'cdmia' => 'application/cdmi-capability',
'cdmic' => 'application/cdmi-container',
'cdmid' => 'application/cdmi-domain',
'cdmio' => 'application/cdmi-object',
'cdmiq' => 'application/cdmi-queue',
'cdx' => 'chemical/x-cdx',
'cdxml' => 'application/vnd.chemdraw+xml',
'cdy' => 'application/vnd.cinderella',
'cer' => 'application/pkix-cert',
'cfs' => 'application/x-cfs-compressed',
'cgm' => 'image/cgm',
'chat' => 'application/x-chat',
'chm' => 'application/vnd.ms-htmlhelp',
'chrt' => 'application/vnd.kde.kchart',
'cif' => 'chemical/x-cif',
'cii' => 'application/vnd.anser-web-certificate-issue-initiation',
'cil' => 'application/vnd.ms-artgalry',
'cla' => 'application/vnd.claymore',
'class' => 'application/java-vm',
'clkk' => 'application/vnd.crick.clicker.keyboard',
'clkp' => 'application/vnd.crick.clicker.palette',
'clkt' => 'application/vnd.crick.clicker.view',
'clkw' => 'application/vnd.crick.clicker.wordbank',
'clkx' => 'application/vnd.crick.clicker',
'clp' => 'application/x-msclip',
'cmc' => 'application/vnd.cosmocaller',
'cmdf' => 'chemical/x-cmdf',
'cml' => 'chemical/x-cml',
'cmp' => 'application/vnd.yellowriver-custom-menu',
'cmx' => 'image/x-cmx',
'cod' => 'application/vnd.rim.cod',
'com' => 'application/x-msdownload',
'conf' => 'text/plain',
'cpio' => 'application/x-cpio',
'cpp' => 'text/x-c',
'cpt' => 'application/mac-compactpro',
'crd' => 'application/x-mscardfile',
'crl' => 'application/pkix-crl',
'crt' => 'application/x-x509-ca-cert',
'cryptonote' => 'application/vnd.rig.cryptonote',
'csh' => 'application/x-csh',
'csml' => 'chemical/x-csml',
'csp' => 'application/vnd.commonspace',
'css' => 'text/css',
'cst' => 'application/x-director',
'csv' => 'text/csv',
'cu' => 'application/cu-seeme',
'curl' => 'text/vnd.curl',
'cww' => 'application/prs.cww',
'cxt' => 'application/x-director',
'cxx' => 'text/x-c',
'dae' => 'model/vnd.collada+xml',
'daf' => 'application/vnd.mobius.daf',
'dart' => 'application/vnd.dart',
'dataless' => 'application/vnd.fdsn.seed',
'davmount' => 'application/davmount+xml',
'dbk' => 'application/docbook+xml',
'dcr' => 'application/x-director',
'dcurl' => 'text/vnd.curl.dcurl',
'dd2' => 'application/vnd.oma.dd2+xml',
'ddd' => 'application/vnd.fujixerox.ddd',
'deb' => 'application/x-debian-package',
'def' => 'text/plain',
'deploy' => 'application/octet-stream',
'der' => 'application/x-x509-ca-cert',
'dfac' => 'application/vnd.dreamfactory',
'dgc' => 'application/x-dgc-compressed',
'dic' => 'text/x-c',
'dir' => 'application/x-director',
'dis' => 'application/vnd.mobius.dis',
'dist' => 'application/octet-stream',
'distz' => 'application/octet-stream',
'djv' => 'image/vnd.djvu',
'djvu' => 'image/vnd.djvu',
'dll' => 'application/x-msdownload',
'dmg' => 'application/x-apple-diskimage',
'dmp' => 'application/vnd.tcpdump.pcap',
'dms' => 'application/octet-stream',
'dna' => 'application/vnd.dna',
'doc' => 'application/msword',
'docm' => 'application/vnd.ms-word.document.macroenabled.12',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'dot' => 'application/msword',
'dotm' => 'application/vnd.ms-word.view.macroenabled.12',
'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.view',
'dp' => 'application/vnd.osgi.dp',
'dpg' => 'application/vnd.dpgraph',
'dra' => 'audio/vnd.dra',
'dsc' => 'text/prs.lines.tag',
'dssc' => 'application/dssc+der',
'dtb' => 'application/x-dtbook+xml',
'dtd' => 'application/xml-dtd',
'dts' => 'audio/vnd.dts',
'dtshd' => 'audio/vnd.dts.hd',
'dump' => 'application/octet-stream',
'dvb' => 'video/vnd.dvb.file',
'dvi' => 'application/x-dvi',
'dwf' => 'model/vnd.dwf',
'dwg' => 'image/vnd.dwg',
'dxf' => 'image/vnd.dxf',
'dxp' => 'application/vnd.spotfire.dxp',
'dxr' => 'application/x-director',
'ecelp4800' => 'audio/vnd.nuera.ecelp4800',
'ecelp7470' => 'audio/vnd.nuera.ecelp7470',
'ecelp9600' => 'audio/vnd.nuera.ecelp9600',
'ecma' => 'application/ecmascript',
'edm' => 'application/vnd.novadigm.edm',
'edx' => 'application/vnd.novadigm.edx',
'efif' => 'application/vnd.picsel',
'ei6' => 'application/vnd.pg.osasli',
'elc' => 'application/octet-stream',
'emf' => 'application/x-msmetafile',
'eml' => 'message/rfc822',
'emma' => 'application/emma+xml',
'emz' => 'application/x-msmetafile',
'eol' => 'audio/vnd.digital-winds',
'eot' => 'application/vnd.ms-fontobject',
'eps' => 'application/postscript',
'epub' => 'application/epub+zip',
'es3' => 'application/vnd.eszigno3+xml',
'esa' => 'application/vnd.osgi.subsystem',
'esf' => 'application/vnd.epson.esf',
'et3' => 'application/vnd.eszigno3+xml',
'etx' => 'text/x-setext',
'eva' => 'application/x-eva',
'evy' => 'application/x-envoy',
'exe' => 'application/x-msdownload',
'exi' => 'application/exi',
'ext' => 'application/vnd.novadigm.ext',
'ez' => 'application/andrew-inset',
'ez2' => 'application/vnd.ezpix-album',
'ez3' => 'application/vnd.ezpix-package',
'f' => 'text/x-fortran',
'f4v' => 'video/x-f4v',
'f77' => 'text/x-fortran',
'f90' => 'text/x-fortran',
'fbs' => 'image/vnd.fastbidsheet',
'fcdt' => 'application/vnd.adobe.formscentral.fcdt',
'fcs' => 'application/vnd.isac.fcs',
'fdf' => 'application/vnd.fdf',
'fe_launch' => 'application/vnd.denovo.fcselayout-link',
'fg5' => 'application/vnd.fujitsu.oasysgp',
'fgd' => 'application/x-director',
'fh' => 'image/x-freehand',
'fh4' => 'image/x-freehand',
'fh5' => 'image/x-freehand',
'fh7' => 'image/x-freehand',
'fhc' => 'image/x-freehand',
'fig' => 'application/x-xfig',
'flac' => 'audio/x-flac',
'fli' => 'video/x-fli',
'flo' => 'application/vnd.micrografx.flo',
'flv' => 'video/x-flv',
'flw' => 'application/vnd.kde.kivio',
'flx' => 'text/vnd.fmi.flexstor',
'fly' => 'text/vnd.fly',
'fm' => 'application/vnd.framemaker',
'fnc' => 'application/vnd.frogans.fnc',
'for' => 'text/x-fortran',
'fpx' => 'image/vnd.fpx',
'frame' => 'application/vnd.framemaker',
'fsc' => 'application/vnd.fsc.weblaunch',
'fst' => 'image/vnd.fst',
'ftc' => 'application/vnd.fluxtime.clip',
'fti' => 'application/vnd.anser-web-funds-transfer-initiation',
'fvt' => 'video/vnd.fvt',
'fxp' => 'application/vnd.adobe.fxp',
'fxpl' => 'application/vnd.adobe.fxp',
'fzs' => 'application/vnd.fuzzysheet',
'g2w' => 'application/vnd.geoplan',
'g3' => 'image/g3fax',
'g3w' => 'application/vnd.geospace',
'gac' => 'application/vnd.groove-customer',
'gam' => 'application/x-tads',
'gbr' => 'application/rpki-ghostbusters',
'gca' => 'application/x-gca-compressed',
'gdl' => 'model/vnd.gdl',
'geo' => 'application/vnd.dynageo',
'gex' => 'application/vnd.geometry-explorer',
'ggb' => 'application/vnd.geogebra.file',
'ggt' => 'application/vnd.geogebra.tool',
'ghf' => 'application/vnd.groove-help',
'gif' => 'image/gif',
'gim' => 'application/vnd.groove-identity-message',
'gml' => 'application/gml+xml',
'gmx' => 'application/vnd.gmx',
'gnumeric' => 'application/x-gnumeric',
'gph' => 'application/vnd.flographit',
'gpx' => 'application/gpx+xml',
'gqf' => 'application/vnd.grafeq',
'gqs' => 'application/vnd.grafeq',
'gram' => 'application/srgs',
'gramps' => 'application/x-gramps-xml',
'gre' => 'application/vnd.geometry-explorer',
'grv' => 'application/vnd.groove-injector',
'grxml' => 'application/srgs+xml',
'gsf' => 'application/x-font-ghostscript',
'gtar' => 'application/x-gtar',
'gtm' => 'application/vnd.groove-tool-message',
'gtw' => 'model/vnd.gtw',
'gv' => 'text/vnd.graphviz',
'gxf' => 'application/gxf',
'gxt' => 'application/vnd.geonext',
'h' => 'text/x-c',
'h261' => 'video/h261',
'h263' => 'video/h263',
'h264' => 'video/h264',
'hal' => 'application/vnd.hal+xml',
'hbci' => 'application/vnd.hbci',
'hdf' => 'application/x-hdf',
'hh' => 'text/x-c',
'hlp' => 'application/winhlp',
'hpgl' => 'application/vnd.hp-hpgl',
'hpid' => 'application/vnd.hp-hpid',
'hps' => 'application/vnd.hp-hps',
'hqx' => 'application/mac-binhex40',
'htke' => 'application/vnd.kenameaapp',
'htm' => 'text/html',
'html' => 'text/html',
'hvd' => 'application/vnd.yamaha.hv-dic',
'hvp' => 'application/vnd.yamaha.hv-voice',
'hvs' => 'application/vnd.yamaha.hv-script',
'i2g' => 'application/vnd.intergeo',
'icc' => 'application/vnd.iccprofile',
'ice' => 'x-conference/x-cooltalk',
'icm' => 'application/vnd.iccprofile',
'ico' => 'image/x-icon',
'ics' => 'text/calendar',
'ief' => 'image/ief',
'ifb' => 'text/calendar',
'ifm' => 'application/vnd.shana.informed.formdata',
'iges' => 'model/iges',
'igl' => 'application/vnd.igloader',
'igm' => 'application/vnd.insors.igm',
'igs' => 'model/iges',
'igx' => 'application/vnd.micrografx.igx',
'iif' => 'application/vnd.shana.informed.interchange',
'imp' => 'application/vnd.accpac.simply.imp',
'ims' => 'application/vnd.ms-ims',
'in' => 'text/plain',
'ink' => 'application/inkml+xml',
'inkml' => 'application/inkml+xml',
'install' => 'application/x-install-instructions',
'iota' => 'application/vnd.astraea-software.iota',
'ipfix' => 'application/ipfix',
'ipk' => 'application/vnd.shana.informed.package',
'irm' => 'application/vnd.ibm.rights-management',
'irp' => 'application/vnd.irepository.package+xml',
'iso' => 'application/x-iso9660-image',
'itp' => 'application/vnd.shana.informed.formview',
'ivp' => 'application/vnd.immervision-ivp',
'ivu' => 'application/vnd.immervision-ivu',
'jad' => 'text/vnd.sun.j2me.app-descriptor',
'jam' => 'application/vnd.jam',
'jar' => 'application/java-archive',
'java' => 'text/x-java-source',
'jisp' => 'application/vnd.jisp',
'jlt' => 'application/vnd.hp-jlyt',
'jnlp' => 'application/x-java-jnlp-file',
'joda' => 'application/vnd.joost.joda-archive',
'jpe' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'jpgm' => 'video/jpm',
'jpgv' => 'video/jpeg',
'jpm' => 'video/jpm',
'js' => 'application/javascript',
'json' => 'application/json',
'jsonml' => 'application/jsonml+json',
'kar' => 'audio/midi',
'karbon' => 'application/vnd.kde.karbon',
'kfo' => 'application/vnd.kde.kformula',
'kia' => 'application/vnd.kidspiration',
'kml' => 'application/vnd.google-earth.kml+xml',
'kmz' => 'application/vnd.google-earth.kmz',
'kne' => 'application/vnd.kinar',
'knp' => 'application/vnd.kinar',
'kon' => 'application/vnd.kde.kontour',
'kpr' => 'application/vnd.kde.kpresenter',
'kpt' => 'application/vnd.kde.kpresenter',
'kpxx' => 'application/vnd.ds-keypoint',
'ksp' => 'application/vnd.kde.kspread',
'ktr' => 'application/vnd.kahootz',
'ktx' => 'image/ktx',
'ktz' => 'application/vnd.kahootz',
'kwd' => 'application/vnd.kde.kword',
'kwt' => 'application/vnd.kde.kword',
'lasxml' => 'application/vnd.las.las+xml',
'latex' => 'application/x-latex',
'lbd' => 'application/vnd.llamagraphics.life-balance.desktop',
'lbe' => 'application/vnd.llamagraphics.life-balance.exchange+xml',
'les' => 'application/vnd.hhe.lesson-player',
'lha' => 'application/x-lzh-compressed',
'link66' => 'application/vnd.route66.link66+xml',
'list' => 'text/plain',
'list3820' => 'application/vnd.ibm.modcap',
'listafp' => 'application/vnd.ibm.modcap',
'lnk' => 'application/x-ms-shortcut',
'log' => 'text/plain',
'lostxml' => 'application/lost+xml',
'lrf' => 'application/octet-stream',
'lrm' => 'application/vnd.ms-lrm',
'ltf' => 'application/vnd.frogans.ltf',
'lvp' => 'audio/vnd.lucent.voice',
'lwp' => 'application/vnd.lotus-wordpro',
'lzh' => 'application/x-lzh-compressed',
'm13' => 'application/x-msmediaview',
'm14' => 'application/x-msmediaview',
'm1v' => 'video/mpeg',
'm21' => 'application/mp21',
'm2a' => 'audio/mpeg',
'm2v' => 'video/mpeg',
'm3a' => 'audio/mpeg',
'm3u' => 'audio/x-mpegurl',
'm3u8' => 'application/vnd.apple.mpegurl',
'm4u' => 'video/vnd.mpegurl',
'm4v' => 'video/x-m4v',
'ma' => 'application/mathematica',
'mads' => 'application/mads+xml',
'mag' => 'application/vnd.ecowin.chart',
'maker' => 'application/vnd.framemaker',
'man' => 'text/troff',
'mar' => 'application/octet-stream',
'mathml' => 'application/mathml+xml',
'mb' => 'application/mathematica',
'mbk' => 'application/vnd.mobius.mbk',
'mbox' => 'application/mbox',
'mc1' => 'application/vnd.medcalcdata',
'mcd' => 'application/vnd.mcd',
'mcurl' => 'text/vnd.curl.mcurl',
'mdb' => 'application/x-msaccess',
'mdi' => 'image/vnd.ms-modi',
'me' => 'text/troff',
'mesh' => 'model/mesh',
'meta4' => 'application/metalink4+xml',
'metalink' => 'application/metalink+xml',
'mets' => 'application/mets+xml',
'mfm' => 'application/vnd.mfmp',
'mft' => 'application/rpki-manifest',
'mgp' => 'application/vnd.osgeo.mapguide.package',
'mgz' => 'application/vnd.proteus.magazine',
'mid' => 'audio/midi',
'midi' => 'audio/midi',
'mie' => 'application/x-mie',
'mif' => 'application/vnd.mif',
'mime' => 'message/rfc822',
'mj2' => 'video/mj2',
'mjp2' => 'video/mj2',
'mk3d' => 'video/x-matroska',
'mka' => 'audio/x-matroska',
'mks' => 'video/x-matroska',
'mkv' => 'video/x-matroska',
'mlp' => 'application/vnd.dolby.mlp',
'mmd' => 'application/vnd.chipnuts.karaoke-mmd',
'mmf' => 'application/vnd.smaf',
'mmr' => 'image/vnd.fujixerox.edmics-mmr',
'mng' => 'video/x-mng',
'mny' => 'application/x-msmoney',
'mobi' => 'application/x-mobipocket-ebook',
'mods' => 'application/mods+xml',
'mov' => 'video/quicktime',
'movie' => 'video/x-sgi-movie',
'mp2' => 'audio/mpeg',
'mp21' => 'application/mp21',
'mp2a' => 'audio/mpeg',
'mp3' => 'audio/mpeg',
'mp4' => 'video/mp4',
'mp4a' => 'audio/mp4',
'mp4s' => 'application/mp4',
'mp4v' => 'video/mp4',
'mpc' => 'application/vnd.mophun.certificate',
'mpe' => 'video/mpeg',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'mpg4' => 'video/mp4',
'mpga' => 'audio/mpeg',
'mpkg' => 'application/vnd.apple.installer+xml',
'mpm' => 'application/vnd.blueice.multipass',
'mpn' => 'application/vnd.mophun.application',
'mpp' => 'application/vnd.ms-project',
'mpt' => 'application/vnd.ms-project',
'mpy' => 'application/vnd.ibm.minipay',
'mqy' => 'application/vnd.mobius.mqy',
'mrc' => 'application/marc',
'mrcx' => 'application/marcxml+xml',
'ms' => 'text/troff',
'mscml' => 'application/mediaservercontrol+xml',
'mseed' => 'application/vnd.fdsn.mseed',
'mseq' => 'application/vnd.mseq',
'msf' => 'application/vnd.epson.msf',
'msh' => 'model/mesh',
'msi' => 'application/x-msdownload',
'msl' => 'application/vnd.mobius.msl',
'msty' => 'application/vnd.muvee.style',
'mts' => 'model/vnd.mts',
'mus' => 'application/vnd.musician',
'musicxml' => 'application/vnd.recordare.musicxml+xml',
'mvb' => 'application/x-msmediaview',
'mwf' => 'application/vnd.mfer',
'mxf' => 'application/mxf',
'mxl' => 'application/vnd.recordare.musicxml',
'mxml' => 'application/xv+xml',
'mxs' => 'application/vnd.triscape.mxs',
'mxu' => 'video/vnd.mpegurl',
'n-gage' => 'application/vnd.nokia.n-gage.symbian.install',
'n3' => 'text/n3',
'nb' => 'application/mathematica',
'nbp' => 'application/vnd.wolfram.player',
'nc' => 'application/x-netcdf',
'ncx' => 'application/x-dtbncx+xml',
'nfo' => 'text/x-nfo',
'ngdat' => 'application/vnd.nokia.n-gage.data',
'nitf' => 'application/vnd.nitf',
'nlu' => 'application/vnd.neurolanguage.nlu',
'nml' => 'application/vnd.enliven',
'nnd' => 'application/vnd.noblenet-directory',
'nns' => 'application/vnd.noblenet-sealer',
'nnw' => 'application/vnd.noblenet-web',
'npx' => 'image/vnd.net-fpx',
'nsc' => 'application/x-conference',
'nsf' => 'application/vnd.lotus-notes',
'ntf' => 'application/vnd.nitf',
'nzb' => 'application/x-nzb',
'oa2' => 'application/vnd.fujitsu.oasys2',
'oa3' => 'application/vnd.fujitsu.oasys3',
'oas' => 'application/vnd.fujitsu.oasys',
'obd' => 'application/x-msbinder',
'obj' => 'application/x-tgif',
'oda' => 'application/oda',
'odb' => 'application/vnd.oasis.opendocument.database',
'odc' => 'application/vnd.oasis.opendocument.chart',
'odf' => 'application/vnd.oasis.opendocument.formula',
'odft' => 'application/vnd.oasis.opendocument.formula-view',
'odg' => 'application/vnd.oasis.opendocument.graphics',
'odi' => 'application/vnd.oasis.opendocument.image',
'odm' => 'application/vnd.oasis.opendocument.text-master',
'odp' => 'application/vnd.oasis.opendocument.presentation',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
'odt' => 'application/vnd.oasis.opendocument.text',
'oga' => 'audio/ogg',
'ogg' => 'audio/ogg',
'ogv' => 'video/ogg',
'ogx' => 'application/ogg',
'omdoc' => 'application/omdoc+xml',
'onepkg' => 'application/onenote',
'onetmp' => 'application/onenote',
'onetoc' => 'application/onenote',
'onetoc2' => 'application/onenote',
'opf' => 'application/oebps-package+xml',
'opml' => 'text/x-opml',
'oprc' => 'application/vnd.palm',
'org' => 'application/vnd.lotus-organizer',
'osf' => 'application/vnd.yamaha.openscoreformat',
'osfpvg' => 'application/vnd.yamaha.openscoreformat.osfpvg+xml',
'otc' => 'application/vnd.oasis.opendocument.chart-view',
'otf' => 'application/font-sfnt',
'otg' => 'application/vnd.oasis.opendocument.graphics-view',
'oth' => 'application/vnd.oasis.opendocument.text-web',
'oti' => 'application/vnd.oasis.opendocument.image-view',
'otp' => 'application/vnd.oasis.opendocument.presentation-view',
'ots' => 'application/vnd.oasis.opendocument.spreadsheet-view',
'ott' => 'application/vnd.oasis.opendocument.text-view',
'oxps' => 'application/oxps',
'oxt' => 'application/vnd.openofficeorg.extension',
'p' => 'text/x-pascal',
'p10' => 'application/pkcs10',
'p12' => 'application/x-pkcs12',
'p7b' => 'application/x-pkcs7-certificates',
'p7c' => 'application/pkcs7-mime',
'p7m' => 'application/pkcs7-mime',
'p7r' => 'application/x-pkcs7-certreqresp',
'p7s' => 'application/pkcs7-signature',
'p8' => 'application/pkcs8',
'pas' => 'text/x-pascal',
'paw' => 'application/vnd.pawaafile',
'pbd' => 'application/vnd.powerbuilder6',
'pbm' => 'image/x-portable-bitmap',
'pcap' => 'application/vnd.tcpdump.pcap',
'pcf' => 'application/x-font-pcf',
'pcl' => 'application/vnd.hp-pcl',
'pclxl' => 'application/vnd.hp-pclxl',
'pct' => 'image/x-pict',
'pcurl' => 'application/vnd.curl.pcurl',
'pcx' => 'image/x-pcx',
'pdb' => 'application/vnd.palm',
'pdf' => 'application/pdf',
'pfa' => 'application/x-font-type1',
'pfb' => 'application/x-font-type1',
'pfm' => 'application/x-font-type1',
'pfr' => 'application/font-tdpfr',
'pfx' => 'application/x-pkcs12',
'pgm' => 'image/x-portable-graymap',
'pgn' => 'application/x-chess-pgn',
'pgp' => 'application/pgp-encrypted',
'pic' => 'image/x-pict',
'pkg' => 'application/octet-stream',
'pki' => 'application/pkixcmp',
'pkipath' => 'application/pkix-pkipath',
'plb' => 'application/vnd.3gpp.pic-bw-large',
'plc' => 'application/vnd.mobius.plc',
'plf' => 'application/vnd.pocketlearn',
'pls' => 'application/pls+xml',
'pml' => 'application/vnd.ctc-posml',
'png' => 'image/png',
'pnm' => 'image/x-portable-anymap',
'portpkg' => 'application/vnd.macports.portpkg',
'pot' => 'application/vnd.ms-powerpoint',
'potm' => 'application/vnd.ms-powerpoint.view.macroenabled.12',
'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.view',
'ppam' => 'application/vnd.ms-powerpoint.addin.macroenabled.12',
'ppd' => 'application/vnd.cups-ppd',
'ppm' => 'image/x-portable-pixmap',
'pps' => 'application/vnd.ms-powerpoint',
'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroenabled.12',
'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
'ppt' => 'application/vnd.ms-powerpoint',
'pptm' => 'application/vnd.ms-powerpoint.presentation.macroenabled.12',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'pqa' => 'application/vnd.palm',
'prc' => 'application/x-mobipocket-ebook',
'pre' => 'application/vnd.lotus-freelance',
'prf' => 'application/pics-rules',
'ps' => 'application/postscript',
'psb' => 'application/vnd.3gpp.pic-bw-small',
'psd' => 'image/vnd.adobe.photoshop',
'psf' => 'application/x-font-linux-psf',
'pskcxml' => 'application/pskc+xml',
'ptid' => 'application/vnd.pvi.ptid1',
'pub' => 'application/x-mspublisher',
'pvb' => 'application/vnd.3gpp.pic-bw-var',
'pwn' => 'application/vnd.3m.post-it-notes',
'pya' => 'audio/vnd.ms-playready.media.pya',
'pyv' => 'video/vnd.ms-playready.media.pyv',
'qam' => 'application/vnd.epson.quickanime',
'qbo' => 'application/vnd.intu.qbo',
'qfx' => 'application/vnd.intu.qfx',
'qps' => 'application/vnd.publishare-delta-tree',
'qt' => 'video/quicktime',
'qwd' => 'application/vnd.quark.quarkxpress',
'qwt' => 'application/vnd.quark.quarkxpress',
'qxb' => 'application/vnd.quark.quarkxpress',
'qxd' => 'application/vnd.quark.quarkxpress',
'qxl' => 'application/vnd.quark.quarkxpress',
'qxt' => 'application/vnd.quark.quarkxpress',
'ra' => 'audio/x-pn-realaudio',
'ram' => 'audio/x-pn-realaudio',
'rar' => 'application/x-rar-compressed',
'ras' => 'image/x-cmu-raster',
'rcprofile' => 'application/vnd.ipunplugged.rcprofile',
'rdf' => 'application/rdf+xml',
'rdz' => 'application/vnd.data-vision.rdz',
'rep' => 'application/vnd.businessobjects',
'res' => 'application/x-dtbresource+xml',
'rgb' => 'image/x-rgb',
'rif' => 'application/reginfo+xml',
'rip' => 'audio/vnd.rip',
'ris' => 'application/x-research-info-systems',
'rl' => 'application/resource-lists+xml',
'rlc' => 'image/vnd.fujixerox.edmics-rlc',
'rld' => 'application/resource-lists-diff+xml',
'rm' => 'application/vnd.rn-realmedia',
'rmi' => 'audio/midi',
'rmp' => 'audio/x-pn-realaudio-plugin',
'rms' => 'application/vnd.jcp.javame.midlet-rms',
'rmvb' => 'application/vnd.rn-realmedia-vbr',
'rnc' => 'application/relax-ng-compact-syntax',
'roa' => 'application/rpki-roa',
'roff' => 'text/troff',
'rp9' => 'application/vnd.cloanto.rp9',
'rpss' => 'application/vnd.nokia.radio-presets',
'rpst' => 'application/vnd.nokia.radio-preset',
'rq' => 'application/sparql-query',
'rs' => 'application/rls-services+xml',
'rsd' => 'application/rsd+xml',
'rss' => 'application/rss+xml',
'rtf' => 'application/rtf',
'rtx' => 'text/richtext',
's' => 'text/x-asm',
's3m' => 'audio/s3m',
'saf' => 'application/vnd.yamaha.smaf-audio',
'sbml' => 'application/sbml+xml',
'sc' => 'application/vnd.ibm.secure-container',
'scd' => 'application/x-msschedule',
'scm' => 'application/vnd.lotus-screencam',
'scq' => 'application/scvp-cv-request',
'scs' => 'application/scvp-cv-response',
'scurl' => 'text/vnd.curl.scurl',
'sda' => 'application/vnd.stardivision.draw',
'sdc' => 'application/vnd.stardivision.calc',
'sdd' => 'application/vnd.stardivision.impress',
'sdkd' => 'application/vnd.solent.sdkm+xml',
'sdkm' => 'application/vnd.solent.sdkm+xml',
'sdp' => 'application/sdp',
'sdw' => 'application/vnd.stardivision.writer',
'see' => 'application/vnd.seemail',
'seed' => 'application/vnd.fdsn.seed',
'sema' => 'application/vnd.sema',
'semd' => 'application/vnd.semd',
'semf' => 'application/vnd.semf',
'ser' => 'application/java-serialized-object',
'setpay' => 'application/set-payment-initiation',
'setreg' => 'application/set-registration-initiation',
'sfd-hdstx' => 'application/vnd.hydrostatix.sof-data',
'sfs' => 'application/vnd.spotfire.sfs',
'sfv' => 'text/x-sfv',
'sgi' => 'image/sgi',
'sgl' => 'application/vnd.stardivision.writer-global',
'sgm' => 'text/sgml',
'sgml' => 'text/sgml',
'sh' => 'application/x-sh',
'shar' => 'application/x-shar',
'shf' => 'application/shf+xml',
'sid' => 'image/x-mrsid-image',
'sig' => 'application/pgp-signature',
'sil' => 'audio/silk',
'silo' => 'model/mesh',
'sis' => 'application/vnd.symbian.install',
'sisx' => 'application/vnd.symbian.install',
'sit' => 'application/x-stuffit',
'sitx' => 'application/x-stuffitx',
'skd' => 'application/vnd.koan',
'skm' => 'application/vnd.koan',
'skp' => 'application/vnd.koan',
'skt' => 'application/vnd.koan',
'sldm' => 'application/vnd.ms-powerpoint.slide.macroenabled.12',
'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
'slt' => 'application/vnd.epson.salt',
'sm' => 'application/vnd.stepmania.stepchart',
'smf' => 'application/vnd.stardivision.math',
'smi' => 'application/smil+xml',
'smil' => 'application/smil+xml',
'smv' => 'video/x-smv',
'smzip' => 'application/vnd.stepmania.package',
'snd' => 'audio/basic',
'snf' => 'application/x-font-snf',
'so' => 'application/octet-stream',
'spc' => 'application/x-pkcs7-certificates',
'spf' => 'application/vnd.yamaha.smaf-phrase',
'spl' => 'application/x-futuresplash',
'spot' => 'text/vnd.in3d.spot',
'spp' => 'application/scvp-vp-response',
'spq' => 'application/scvp-vp-request',
'spx' => 'audio/ogg',
'sql' => 'application/x-sql',
'src' => 'application/x-wais-source',
'srt' => 'application/x-subrip',
'sru' => 'application/sru+xml',
'srx' => 'application/sparql-results+xml',
'ssdl' => 'application/ssdl+xml',
'sse' => 'application/vnd.kodak-descriptor',
'ssf' => 'application/vnd.epson.ssf',
'ssml' => 'application/ssml+xml',
'st' => 'application/vnd.sailingtracker.track',
'stc' => 'application/vnd.sun.xml.calc.view',