Extension   A
last analyzed

Complexity

Total Complexity 4

Size/Duplication

Total Lines 816
Duplicated Lines 0 %

Coupling/Cohesion

Components 2
Dependencies 0

Importance

Changes 0
Metric Value
wmc 4
lcom 2
cbo 0
dl 0
loc 816
rs 9.784
c 0
b 0
f 0

3 Methods

Rating   Name   Duplication   Size   Complexity  
A getInstance() 0 7 2
A guess() 0 4 1
B __construct() 0 778 1
1
<?php
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/**
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 * @license MIT
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 */
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namespace Pivasic\Bundle\Common\File\Extension;
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/**
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 * Class Extension
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 * @package Pivasic\Bundle\Common\File\Extension
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 */
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class Extension
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{
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    /**
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     * Returns the singleton instance.
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     *
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     * @return Extension
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     */
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    public static function getInstance(): Extension
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    {
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        if (null === self::$instance) {
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            self::$instance = new self();
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        }
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        return self::$instance;
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    }
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    /**
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     * Get file extension by mime type.
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     *
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     * @param string $mimeType
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     *
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     * @return string
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     *
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     */
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    public function guess(string $mimeType): string
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    {
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        return $this->defaultExtensions[$mimeType] ?? '';
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    }
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    private function __construct()
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    {
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        /**
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         * A map of mime types and their default extensions.
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         *
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         * @see http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
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         */
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        $this->defaultExtensions = [
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            'application/andrew-inset' => 'ez',
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            'application/applixware' => 'aw',
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            'application/atom+xml' => 'atom',
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            'application/atomcat+xml' => 'atomcat',
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            'application/atomsvc+xml' => 'atomsvc',
54
            'application/ccxml+xml' => 'ccxml',
55
            'application/cdmi-capability' => 'cdmia',
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            'application/cdmi-container' => 'cdmic',
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            'application/cdmi-domain' => 'cdmid',
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            'application/cdmi-object' => 'cdmio',
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            'application/cdmi-queue' => 'cdmiq',
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            'application/cu-seeme' => 'cu',
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            'application/davmount+xml' => 'davmount',
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            'application/docbook+xml' => 'dbk',
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            'application/dssc+der' => 'dssc',
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            'application/dssc+xml' => 'xdssc',
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            'application/ecmascript' => 'ecma',
66
            'application/emma+xml' => 'emma',
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            'application/epub+zip' => 'epub',
68
            'application/exi' => 'exi',
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            'application/font-tdpfr' => 'pfr',
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            'application/gml+xml' => 'gml',
71
            'application/gpx+xml' => 'gpx',
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            'application/gxf' => 'gxf',
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            'application/hyperstudio' => 'stk',
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            'application/inkml+xml' => 'ink',
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            'application/ipfix' => 'ipfix',
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            'application/java-archive' => 'jar',
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            'application/java-serialized-object' => 'ser',
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            'application/java-vm' => 'class',
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            'application/javascript' => 'js',
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            'application/json' => 'json',
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            'application/jsonml+json' => 'jsonml',
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            'application/lost+xml' => 'lostxml',
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            'application/mac-binhex40' => 'hqx',
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            'application/mac-compactpro' => 'cpt',
85
            'application/mads+xml' => 'mads',
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            'application/marc' => 'mrc',
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            'application/marcxml+xml' => 'mrcx',
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            'application/mathematica' => 'ma',
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            'application/mathml+xml' => 'mathml',
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            'application/mbox' => 'mbox',
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            'application/mediaservercontrol+xml' => 'mscml',
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            'application/metalink+xml' => 'metalink',
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            'application/metalink4+xml' => 'meta4',
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            'application/mets+xml' => 'mets',
95
            'application/mods+xml' => 'mods',
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            'application/mp21' => 'm21',
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            'application/mp4' => 'mp4s',
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            'application/msword' => 'doc',
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            'application/mxf' => 'mxf',
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            'application/octet-stream' => 'bin',
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            'application/oda' => 'oda',
102
            'application/oebps-package+xml' => 'opf',
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            'application/ogg' => 'ogx',
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            'application/omdoc+xml' => 'omdoc',
105
            'application/onenote' => 'onetoc',
106
            'application/oxps' => 'oxps',
107
            'application/patch-ops-error+xml' => 'xer',
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            'application/pdf' => 'pdf',
109
            'application/pgp-encrypted' => 'pgp',
110
            'application/pgp-signature' => 'asc',
111
            'application/pics-rules' => 'prf',
112
            'application/pkcs10' => 'p10',
113
            'application/pkcs7-mime' => 'p7m',
114
            'application/pkcs7-signature' => 'p7s',
115
            'application/pkcs8' => 'p8',
116
            'application/pkix-attr-cert' => 'ac',
117
            'application/pkix-cert' => 'cer',
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            'application/pkix-crl' => 'crl',
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            'application/pkix-pkipath' => 'pkipath',
120
            'application/pkixcmp' => 'pki',
121
            'application/pls+xml' => 'pls',
122
            'application/postscript' => 'ai',
123
            'application/prs.cww' => 'cww',
124
            'application/pskc+xml' => 'pskcxml',
125
            'application/rdf+xml' => 'rdf',
126
            'application/reginfo+xml' => 'rif',
127
            'application/relax-ng-compact-syntax' => 'rnc',
128
            'application/resource-lists+xml' => 'rl',
129
            'application/resource-lists-diff+xml' => 'rld',
130
            'application/rls-services+xml' => 'rs',
131
            'application/rpki-ghostbusters' => 'gbr',
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            'application/rpki-manifest' => 'mft',
133
            'application/rpki-roa' => 'roa',
134
            'application/rsd+xml' => 'rsd',
135
            'application/rss+xml' => 'rss',
136
            'application/rtf' => 'rtf',
137
            'application/sbml+xml' => 'sbml',
138
            'application/scvp-cv-request' => 'scq',
139
            'application/scvp-cv-response' => 'scs',
140
            'application/scvp-vp-request' => 'spq',
141
            'application/scvp-vp-response' => 'spp',
142
            'application/sdp' => 'sdp',
143
            'application/set-payment-initiation' => 'setpay',
144
            'application/set-registration-initiation' => 'setreg',
145
            'application/shf+xml' => 'shf',
146
            'application/smil+xml' => 'smi',
147
            'application/sparql-query' => 'rq',
148
            'application/sparql-results+xml' => 'srx',
149
            'application/srgs' => 'gram',
150
            'application/srgs+xml' => 'grxml',
151
            'application/sru+xml' => 'sru',
152
            'application/ssdl+xml' => 'ssdl',
153
            'application/ssml+xml' => 'ssml',
154
            'application/tei+xml' => 'tei',
155
            'application/thraud+xml' => 'tfi',
156
            'application/timestamped-data' => 'tsd',
157
            'application/vnd.3gpp.pic-bw-large' => 'plb',
158
            'application/vnd.3gpp.pic-bw-small' => 'psb',
159
            'application/vnd.3gpp.pic-bw-var' => 'pvb',
160
            'application/vnd.3gpp2.tcap' => 'tcap',
161
            'application/vnd.3m.post-it-notes' => 'pwn',
162
            'application/vnd.accpac.simply.aso' => 'aso',
163
            'application/vnd.accpac.simply.imp' => 'imp',
164
            'application/vnd.acucobol' => 'acu',
165
            'application/vnd.acucorp' => 'atc',
166
            'application/vnd.adobe.air-application-installer-package+zip' => 'air',
167
            'application/vnd.adobe.formscentral.fcdt' => 'fcdt',
168
            'application/vnd.adobe.fxp' => 'fxp',
169
            'application/vnd.adobe.xdp+xml' => 'xdp',
170
            'application/vnd.adobe.xfdf' => 'xfdf',
171
            'application/vnd.ahead.space' => 'ahead',
172
            'application/vnd.airzip.filesecure.azf' => 'azf',
173
            'application/vnd.airzip.filesecure.azs' => 'azs',
174
            'application/vnd.amazon.ebook' => 'azw',
175
            'application/vnd.americandynamics.acc' => 'acc',
176
            'application/vnd.amiga.ami' => 'ami',
177
            'application/vnd.android.package-archive' => 'apk',
178
            'application/vnd.anser-web-certificate-issue-initiation' => 'cii',
179
            'application/vnd.anser-web-funds-transfer-initiation' => 'fti',
180
            'application/vnd.antix.game-component' => 'atx',
181
            'application/vnd.apple.installer+xml' => 'mpkg',
182
            'application/vnd.apple.mpegurl' => 'm3u8',
183
            'application/vnd.aristanetworks.swi' => 'swi',
184
            'application/vnd.astraea-software.iota' => 'iota',
185
            'application/vnd.audiograph' => 'aep',
186
            'application/vnd.blueice.multipass' => 'mpm',
187
            'application/vnd.bmi' => 'bmi',
188
            'application/vnd.businessobjects' => 'rep',
189
            'application/vnd.chemdraw+xml' => 'cdxml',
190
            'application/vnd.chipnuts.karaoke-mmd' => 'mmd',
191
            'application/vnd.cinderella' => 'cdy',
192
            'application/vnd.claymore' => 'cla',
193
            'application/vnd.cloanto.rp9' => 'rp9',
194
            'application/vnd.clonk.c4group' => 'c4g',
195
            'application/vnd.cluetrust.cartomobile-config' => 'c11amc',
196
            'application/vnd.cluetrust.cartomobile-config-pkg' => 'c11amz',
197
            'application/vnd.commonspace' => 'csp',
198
            'application/vnd.contact.cmsg' => 'cdbcmsg',
199
            'application/vnd.cosmocaller' => 'cmc',
200
            'application/vnd.crick.clicker' => 'clkx',
201
            'application/vnd.crick.clicker.keyboard' => 'clkk',
202
            'application/vnd.crick.clicker.palette' => 'clkp',
203
            'application/vnd.crick.clicker.template' => 'clkt',
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            'application/vnd.crick.clicker.wordbank' => 'clkw',
205
            'application/vnd.criticaltools.wbs+xml' => 'wbs',
206
            'application/vnd.ctc-posml' => 'pml',
207
            'application/vnd.cups-ppd' => 'ppd',
208
            'application/vnd.curl.car' => 'car',
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            'application/vnd.curl.pcurl' => 'pcurl',
210
            'application/vnd.dart' => 'dart',
211
            'application/vnd.data-vision.rdz' => 'rdz',
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            'application/vnd.dece.data' => 'uvf',
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            'application/vnd.dece.ttml+xml' => 'uvt',
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            'application/vnd.dece.unspecified' => 'uvx',
215
            'application/vnd.dece.zip' => 'uvz',
216
            'application/vnd.denovo.fcselayout-link' => 'fe_launch',
217
            'application/vnd.dna' => 'dna',
218
            'application/vnd.dolby.mlp' => 'mlp',
219
            'application/vnd.dpgraph' => 'dpg',
220
            'application/vnd.dreamfactory' => 'dfac',
221
            'application/vnd.ds-keypoint' => 'kpxx',
222
            'application/vnd.dvb.ait' => 'ait',
223
            'application/vnd.dvb.service' => 'svc',
224
            'application/vnd.dynageo' => 'geo',
225
            'application/vnd.ecowin.chart' => 'mag',
226
            'application/vnd.enliven' => 'nml',
227
            'application/vnd.epson.esf' => 'esf',
228
            'application/vnd.epson.msf' => 'msf',
229
            'application/vnd.epson.quickanime' => 'qam',
230
            'application/vnd.epson.salt' => 'slt',
231
            'application/vnd.epson.ssf' => 'ssf',
232
            'application/vnd.eszigno3+xml' => 'es3',
233
            'application/vnd.ezpix-album' => 'ez2',
234
            'application/vnd.ezpix-package' => 'ez3',
235
            'application/vnd.fdf' => 'fdf',
236
            'application/vnd.fdsn.mseed' => 'mseed',
237
            'application/vnd.fdsn.seed' => 'seed',
238
            'application/vnd.flographit' => 'gph',
239
            'application/vnd.fluxtime.clip' => 'ftc',
240
            'application/vnd.framemaker' => 'fm',
241
            'application/vnd.frogans.fnc' => 'fnc',
242
            'application/vnd.frogans.ltf' => 'ltf',
243
            'application/vnd.fsc.weblaunch' => 'fsc',
244
            'application/vnd.fujitsu.oasys' => 'oas',
245
            'application/vnd.fujitsu.oasys2' => 'oa2',
246
            'application/vnd.fujitsu.oasys3' => 'oa3',
247
            'application/vnd.fujitsu.oasysgp' => 'fg5',
248
            'application/vnd.fujitsu.oasysprs' => 'bh2',
249
            'application/vnd.fujixerox.ddd' => 'ddd',
250
            'application/vnd.fujixerox.docuworks' => 'xdw',
251
            'application/vnd.fujixerox.docuworks.binder' => 'xbd',
252
            'application/vnd.fuzzysheet' => 'fzs',
253
            'application/vnd.genomatix.tuxedo' => 'txd',
254
            'application/vnd.geogebra.file' => 'ggb',
255
            'application/vnd.geogebra.tool' => 'ggt',
256
            'application/vnd.geometry-explorer' => 'gex',
257
            'application/vnd.geonext' => 'gxt',
258
            'application/vnd.geoplan' => 'g2w',
259
            'application/vnd.geospace' => 'g3w',
260
            'application/vnd.gmx' => 'gmx',
261
            'application/vnd.google-earth.kml+xml' => 'kml',
262
            'application/vnd.google-earth.kmz' => 'kmz',
263
            'application/vnd.grafeq' => 'gqf',
264
            'application/vnd.groove-account' => 'gac',
265
            'application/vnd.groove-help' => 'ghf',
266
            'application/vnd.groove-identity-message' => 'gim',
267
            'application/vnd.groove-injector' => 'grv',
268
            'application/vnd.groove-tool-message' => 'gtm',
269
            'application/vnd.groove-tool-template' => 'tpl',
270
            'application/vnd.groove-vcard' => 'vcg',
271
            'application/vnd.hal+xml' => 'hal',
272
            'application/vnd.handheld-entertainment+xml' => 'zmm',
273
            'application/vnd.hbci' => 'hbci',
274
            'application/vnd.hhe.lesson-player' => 'les',
275
            'application/vnd.hp-hpgl' => 'hpgl',
276
            'application/vnd.hp-hpid' => 'hpid',
277
            'application/vnd.hp-hps' => 'hps',
278
            'application/vnd.hp-jlyt' => 'jlt',
279
            'application/vnd.hp-pcl' => 'pcl',
280
            'application/vnd.hp-pclxl' => 'pclxl',
281
            'application/vnd.hydrostatix.sof-data' => 'sfd-hdstx',
282
            'application/vnd.ibm.minipay' => 'mpy',
283
            'application/vnd.ibm.modcap' => 'afp',
284
            'application/vnd.ibm.rights-management' => 'irm',
285
            'application/vnd.ibm.secure-container' => 'sc',
286
            'application/vnd.iccprofile' => 'icc',
287
            'application/vnd.igloader' => 'igl',
288
            'application/vnd.immervision-ivp' => 'ivp',
289
            'application/vnd.immervision-ivu' => 'ivu',
290
            'application/vnd.insors.igm' => 'igm',
291
            'application/vnd.intercon.formnet' => 'xpw',
292
            'application/vnd.intergeo' => 'i2g',
293
            'application/vnd.intu.qbo' => 'qbo',
294
            'application/vnd.intu.qfx' => 'qfx',
295
            'application/vnd.ipunplugged.rcprofile' => 'rcprofile',
296
            'application/vnd.irepository.package+xml' => 'irp',
297
            'application/vnd.is-xpr' => 'xpr',
298
            'application/vnd.isac.fcs' => 'fcs',
299
            'application/vnd.jam' => 'jam',
300
            'application/vnd.jcp.javame.midlet-rms' => 'rms',
301
            'application/vnd.jisp' => 'jisp',
302
            'application/vnd.joost.joda-archive' => 'joda',
303
            'application/vnd.kahootz' => 'ktz',
304
            'application/vnd.kde.karbon' => 'karbon',
305
            'application/vnd.kde.kchart' => 'chrt',
306
            'application/vnd.kde.kformula' => 'kfo',
307
            'application/vnd.kde.kivio' => 'flw',
308
            'application/vnd.kde.kontour' => 'kon',
309
            'application/vnd.kde.kpresenter' => 'kpr',
310
            'application/vnd.kde.kspread' => 'ksp',
311
            'application/vnd.kde.kword' => 'kwd',
312
            'application/vnd.kenameaapp' => 'htke',
313
            'application/vnd.kidspiration' => 'kia',
314
            'application/vnd.kinar' => 'kne',
315
            'application/vnd.koan' => 'skp',
316
            'application/vnd.kodak-descriptor' => 'sse',
317
            'application/vnd.las.las+xml' => 'lasxml',
318
            'application/vnd.llamagraphics.life-balance.desktop' => 'lbd',
319
            'application/vnd.llamagraphics.life-balance.exchange+xml' => 'lbe',
320
            'application/vnd.lotus-1-2-3' => '123',
321
            'application/vnd.lotus-approach' => 'apr',
322
            'application/vnd.lotus-freelance' => 'pre',
323
            'application/vnd.lotus-notes' => 'nsf',
324
            'application/vnd.lotus-organizer' => 'org',
325
            'application/vnd.lotus-screencam' => 'scm',
326
            'application/vnd.lotus-wordpro' => 'lwp',
327
            'application/vnd.macports.portpkg' => 'portpkg',
328
            'application/vnd.mcd' => 'mcd',
329
            'application/vnd.medcalcdata' => 'mc1',
330
            'application/vnd.mediastation.cdkey' => 'cdkey',
331
            'application/vnd.mfer' => 'mwf',
332
            'application/vnd.mfmp' => 'mfm',
333
            'application/vnd.micrografx.flo' => 'flo',
334
            'application/vnd.micrografx.igx' => 'igx',
335
            'application/vnd.mif' => 'mif',
336
            'application/vnd.mobius.daf' => 'daf',
337
            'application/vnd.mobius.dis' => 'dis',
338
            'application/vnd.mobius.mbk' => 'mbk',
339
            'application/vnd.mobius.mqy' => 'mqy',
340
            'application/vnd.mobius.msl' => 'msl',
341
            'application/vnd.mobius.plc' => 'plc',
342
            'application/vnd.mobius.txf' => 'txf',
343
            'application/vnd.mophun.application' => 'mpn',
344
            'application/vnd.mophun.certificate' => 'mpc',
345
            'application/vnd.mozilla.xul+xml' => 'xul',
346
            'application/vnd.ms-artgalry' => 'cil',
347
            'application/vnd.ms-cab-compressed' => 'cab',
348
            'application/vnd.ms-excel' => 'xls',
349
            'application/vnd.ms-excel.addin.macroenabled.12' => 'xlam',
350
            'application/vnd.ms-excel.sheet.binary.macroenabled.12' => 'xlsb',
351
            'application/vnd.ms-excel.sheet.macroenabled.12' => 'xlsm',
352
            'application/vnd.ms-excel.template.macroenabled.12' => 'xltm',
353
            'application/vnd.ms-fontobject' => 'eot',
354
            'application/vnd.ms-htmlhelp' => 'chm',
355
            'application/vnd.ms-ims' => 'ims',
356
            'application/vnd.ms-lrm' => 'lrm',
357
            'application/vnd.ms-officetheme' => 'thmx',
358
            'application/vnd.ms-pki.seccat' => 'cat',
359
            'application/vnd.ms-pki.stl' => 'stl',
360
            'application/vnd.ms-powerpoint' => 'ppt',
361
            'application/vnd.ms-powerpoint.addin.macroenabled.12' => 'ppam',
362
            'application/vnd.ms-powerpoint.presentation.macroenabled.12' => 'pptm',
363
            'application/vnd.ms-powerpoint.slide.macroenabled.12' => 'sldm',
364
            'application/vnd.ms-powerpoint.slideshow.macroenabled.12' => 'ppsm',
365
            'application/vnd.ms-powerpoint.template.macroenabled.12' => 'potm',
366
            'application/vnd.ms-project' => 'mpp',
367
            'application/vnd.ms-word.document.macroenabled.12' => 'docm',
368
            'application/vnd.ms-word.template.macroenabled.12' => 'dotm',
369
            'application/vnd.ms-works' => 'wps',
370
            'application/vnd.ms-wpl' => 'wpl',
371
            'application/vnd.ms-xpsdocument' => 'xps',
372
            'application/vnd.mseq' => 'mseq',
373
            'application/vnd.musician' => 'mus',
374
            'application/vnd.muvee.style' => 'msty',
375
            'application/vnd.mynfc' => 'taglet',
376
            'application/vnd.neurolanguage.nlu' => 'nlu',
377
            'application/vnd.nitf' => 'ntf',
378
            'application/vnd.noblenet-directory' => 'nnd',
379
            'application/vnd.noblenet-sealer' => 'nns',
380
            'application/vnd.noblenet-web' => 'nnw',
381
            'application/vnd.nokia.n-gage.data' => 'ngdat',
382
            'application/vnd.nokia.n-gage.symbian.install' => 'n-gage',
383
            'application/vnd.nokia.radio-preset' => 'rpst',
384
            'application/vnd.nokia.radio-presets' => 'rpss',
385
            'application/vnd.novadigm.edm' => 'edm',
386
            'application/vnd.novadigm.edx' => 'edx',
387
            'application/vnd.novadigm.ext' => 'ext',
388
            'application/vnd.oasis.opendocument.chart' => 'odc',
389
            'application/vnd.oasis.opendocument.chart-template' => 'otc',
390
            'application/vnd.oasis.opendocument.database' => 'odb',
391
            'application/vnd.oasis.opendocument.formula' => 'odf',
392
            'application/vnd.oasis.opendocument.formula-template' => 'odft',
393
            'application/vnd.oasis.opendocument.graphics' => 'odg',
394
            'application/vnd.oasis.opendocument.graphics-template' => 'otg',
395
            'application/vnd.oasis.opendocument.image' => 'odi',
396
            'application/vnd.oasis.opendocument.image-template' => 'oti',
397
            'application/vnd.oasis.opendocument.presentation' => 'odp',
398
            'application/vnd.oasis.opendocument.presentation-template' => 'otp',
399
            'application/vnd.oasis.opendocument.spreadsheet' => 'ods',
400
            'application/vnd.oasis.opendocument.spreadsheet-template' => 'ots',
401
            'application/vnd.oasis.opendocument.text' => 'odt',
402
            'application/vnd.oasis.opendocument.text-master' => 'odm',
403
            'application/vnd.oasis.opendocument.text-template' => 'ott',
404
            'application/vnd.oasis.opendocument.text-web' => 'oth',
405
            'application/vnd.olpc-sugar' => 'xo',
406
            'application/vnd.oma.dd2+xml' => 'dd2',
407
            'application/vnd.openofficeorg.extension' => 'oxt',
408
            'application/vnd.openxmlformats-officedocument.presentationml.presentation' => 'pptx',
409
            'application/vnd.openxmlformats-officedocument.presentationml.slide' => 'sldx',
410
            'application/vnd.openxmlformats-officedocument.presentationml.slideshow' => 'ppsx',
411
            'application/vnd.openxmlformats-officedocument.presentationml.template' => 'potx',
412
            'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => 'xlsx',
413
            'application/vnd.openxmlformats-officedocument.spreadsheetml.template' => 'xltx',
414
            'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'docx',
415
            'application/vnd.openxmlformats-officedocument.wordprocessingml.template' => 'dotx',
416
            'application/vnd.osgeo.mapguide.package' => 'mgp',
417
            'application/vnd.osgi.dp' => 'dp',
418
            'application/vnd.osgi.subsystem' => 'esa',
419
            'application/vnd.palm' => 'pdb',
420
            'application/vnd.pawaafile' => 'paw',
421
            'application/vnd.pg.format' => 'str',
422
            'application/vnd.pg.osasli' => 'ei6',
423
            'application/vnd.picsel' => 'efif',
424
            'application/vnd.pmi.widget' => 'wg',
425
            'application/vnd.pocketlearn' => 'plf',
426
            'application/vnd.powerbuilder6' => 'pbd',
427
            'application/vnd.previewsystems.box' => 'box',
428
            'application/vnd.proteus.magazine' => 'mgz',
429
            'application/vnd.publishare-delta-tree' => 'qps',
430
            'application/vnd.pvi.ptid1' => 'ptid',
431
            'application/vnd.quark.quarkxpress' => 'qxd',
432
            'application/vnd.realvnc.bed' => 'bed',
433
            'application/vnd.recordare.musicxml' => 'mxl',
434
            'application/vnd.recordare.musicxml+xml' => 'musicxml',
435
            'application/vnd.rig.cryptonote' => 'cryptonote',
436
            'application/vnd.rim.cod' => 'cod',
437
            'application/vnd.rn-realmedia' => 'rm',
438
            'application/vnd.rn-realmedia-vbr' => 'rmvb',
439
            'application/vnd.route66.link66+xml' => 'link66',
440
            'application/vnd.sailingtracker.track' => 'st',
441
            'application/vnd.seemail' => 'see',
442
            'application/vnd.sema' => 'sema',
443
            'application/vnd.semd' => 'semd',
444
            'application/vnd.semf' => 'semf',
445
            'application/vnd.shana.informed.formdata' => 'ifm',
446
            'application/vnd.shana.informed.formtemplate' => 'itp',
447
            'application/vnd.shana.informed.interchange' => 'iif',
448
            'application/vnd.shana.informed.package' => 'ipk',
449
            'application/vnd.simtech-mindmapper' => 'twd',
450
            'application/vnd.smaf' => 'mmf',
451
            'application/vnd.smart.teacher' => 'teacher',
452
            'application/vnd.solent.sdkm+xml' => 'sdkm',
453
            'application/vnd.spotfire.dxp' => 'dxp',
454
            'application/vnd.spotfire.sfs' => 'sfs',
455
            'application/vnd.stardivision.calc' => 'sdc',
456
            'application/vnd.stardivision.draw' => 'sda',
457
            'application/vnd.stardivision.impress' => 'sdd',
458
            'application/vnd.stardivision.math' => 'smf',
459
            'application/vnd.stardivision.writer' => 'sdw',
460
            'application/vnd.stardivision.writer-global' => 'sgl',
461
            'application/vnd.stepmania.package' => 'smzip',
462
            'application/vnd.stepmania.stepchart' => 'sm',
463
            'application/vnd.sun.xml.calc' => 'sxc',
464
            'application/vnd.sun.xml.calc.template' => 'stc',
465
            'application/vnd.sun.xml.draw' => 'sxd',
466
            'application/vnd.sun.xml.draw.template' => 'std',
467
            'application/vnd.sun.xml.impress' => 'sxi',
468
            'application/vnd.sun.xml.impress.template' => 'sti',
469
            'application/vnd.sun.xml.math' => 'sxm',
470
            'application/vnd.sun.xml.writer' => 'sxw',
471
            'application/vnd.sun.xml.writer.global' => 'sxg',
472
            'application/vnd.sun.xml.writer.template' => 'stw',
473
            'application/vnd.sus-calendar' => 'sus',
474
            'application/vnd.svd' => 'svd',
475
            'application/vnd.symbian.install' => 'sis',
476
            'application/vnd.syncml+xml' => 'xsm',
477
            'application/vnd.syncml.dm+wbxml' => 'bdm',
478
            'application/vnd.syncml.dm+xml' => 'xdm',
479
            'application/vnd.tao.intent-module-archive' => 'tao',
480
            'application/vnd.tcpdump.pcap' => 'pcap',
481
            'application/vnd.tmobile-livetv' => 'tmo',
482
            'application/vnd.trid.tpt' => 'tpt',
483
            'application/vnd.triscape.mxs' => 'mxs',
484
            'application/vnd.trueapp' => 'tra',
485
            'application/vnd.ufdl' => 'ufd',
486
            'application/vnd.uiq.theme' => 'utz',
487
            'application/vnd.umajin' => 'umj',
488
            'application/vnd.unity' => 'unityweb',
489
            'application/vnd.uoml+xml' => 'uoml',
490
            'application/vnd.vcx' => 'vcx',
491
            'application/vnd.visio' => 'vsd',
492
            'application/vnd.visionary' => 'vis',
493
            'application/vnd.vsf' => 'vsf',
494
            'application/vnd.wap.wbxml' => 'wbxml',
495
            'application/vnd.wap.wmlc' => 'wmlc',
496
            'application/vnd.wap.wmlscriptc' => 'wmlsc',
497
            'application/vnd.webturbo' => 'wtb',
498
            'application/vnd.wolfram.player' => 'nbp',
499
            'application/vnd.wordperfect' => 'wpd',
500
            'application/vnd.wqd' => 'wqd',
501
            'application/vnd.wt.stf' => 'stf',
502
            'application/vnd.xara' => 'xar',
503
            'application/vnd.xfdl' => 'xfdl',
504
            'application/vnd.yamaha.hv-dic' => 'hvd',
505
            'application/vnd.yamaha.hv-script' => 'hvs',
506
            'application/vnd.yamaha.hv-voice' => 'hvp',
507
            'application/vnd.yamaha.openscoreformat' => 'osf',
508
            'application/vnd.yamaha.openscoreformat.osfpvg+xml' => 'osfpvg',
509
            'application/vnd.yamaha.smaf-audio' => 'saf',
510
            'application/vnd.yamaha.smaf-phrase' => 'spf',
511
            'application/vnd.yellowriver-custom-menu' => 'cmp',
512
            'application/vnd.zul' => 'zir',
513
            'application/vnd.zzazz.deck+xml' => 'zaz',
514
            'application/voicexml+xml' => 'vxml',
515
            'application/widget' => 'wgt',
516
            'application/winhlp' => 'hlp',
517
            'application/wsdl+xml' => 'wsdl',
518
            'application/wspolicy+xml' => 'wspolicy',
519
            'application/x-7z-compressed' => '7z',
520
            'application/x-abiword' => 'abw',
521
            'application/x-ace-compressed' => 'ace',
522
            'application/x-apple-diskimage' => 'dmg',
523
            'application/x-authorware-bin' => 'aab',
524
            'application/x-authorware-map' => 'aam',
525
            'application/x-authorware-seg' => 'aas',
526
            'application/x-bcpio' => 'bcpio',
527
            'application/x-bittorrent' => 'torrent',
528
            'application/x-blorb' => 'blb',
529
            'application/x-bzip' => 'bz',
530
            'application/x-bzip2' => 'bz2',
531
            'application/x-cbr' => 'cbr',
532
            'application/x-cdlink' => 'vcd',
533
            'application/x-cfs-compressed' => 'cfs',
534
            'application/x-chat' => 'chat',
535
            'application/x-chess-pgn' => 'pgn',
536
            'application/x-conference' => 'nsc',
537
            'application/x-cpio' => 'cpio',
538
            'application/x-csh' => 'csh',
539
            'application/x-debian-package' => 'deb',
540
            'application/x-dgc-compressed' => 'dgc',
541
            'application/x-director' => 'dir',
542
            'application/x-doom' => 'wad',
543
            'application/x-dtbncx+xml' => 'ncx',
544
            'application/x-dtbook+xml' => 'dtb',
545
            'application/x-dtbresource+xml' => 'res',
546
            'application/x-dvi' => 'dvi',
547
            'application/x-envoy' => 'evy',
548
            'application/x-eva' => 'eva',
549
            'application/x-font-bdf' => 'bdf',
550
            'application/x-font-ghostscript' => 'gsf',
551
            'application/x-font-linux-psf' => 'psf',
552
            'application/x-font-otf' => 'otf',
553
            'application/x-font-pcf' => 'pcf',
554
            'application/x-font-snf' => 'snf',
555
            'application/x-font-ttf' => 'ttf',
556
            'application/x-font-type1' => 'pfa',
557
            'application/x-font-woff' => 'woff',
558
            'application/x-freearc' => 'arc',
559
            'application/x-futuresplash' => 'spl',
560
            'application/x-gca-compressed' => 'gca',
561
            'application/x-glulx' => 'ulx',
562
            'application/x-gnumeric' => 'gnumeric',
563
            'application/x-gramps-xml' => 'gramps',
564
            'application/x-gtar' => 'gtar',
565
            'application/x-hdf' => 'hdf',
566
            'application/x-install-instructions' => 'install',
567
            'application/x-iso9660-image' => 'iso',
568
            'application/x-java-jnlp-file' => 'jnlp',
569
            'application/x-latex' => 'latex',
570
            'application/x-lzh-compressed' => 'lzh',
571
            'application/x-mie' => 'mie',
572
            'application/x-mobipocket-ebook' => 'prc',
573
            'application/x-ms-application' => 'application',
574
            'application/x-ms-shortcut' => 'lnk',
575
            'application/x-ms-wmd' => 'wmd',
576
            'application/x-ms-wmz' => 'wmz',
577
            'application/x-ms-xbap' => 'xbap',
578
            'application/x-msaccess' => 'mdb',
579
            'application/x-msbinder' => 'obd',
580
            'application/x-mscardfile' => 'crd',
581
            'application/x-msclip' => 'clp',
582
            'application/x-msdownload' => 'exe',
583
            'application/x-msmediaview' => 'mvb',
584
            'application/x-msmetafile' => 'wmf',
585
            'application/x-msmoney' => 'mny',
586
            'application/x-mspublisher' => 'pub',
587
            'application/x-msschedule' => 'scd',
588
            'application/x-msterminal' => 'trm',
589
            'application/x-mswrite' => 'wri',
590
            'application/x-netcdf' => 'nc',
591
            'application/x-nzb' => 'nzb',
592
            'application/x-pkcs12' => 'p12',
593
            'application/x-pkcs7-certificates' => 'p7b',
594
            'application/x-pkcs7-certreqresp' => 'p7r',
595
            'application/x-rar-compressed' => 'rar',
596
            'application/x-rar' => 'rar',
597
            'application/x-research-info-systems' => 'ris',
598
            'application/x-sh' => 'sh',
599
            'application/x-shar' => 'shar',
600
            'application/x-shockwave-flash' => 'swf',
601
            'application/x-silverlight-app' => 'xap',
602
            'application/x-sql' => 'sql',
603
            'application/x-stuffit' => 'sit',
604
            'application/x-stuffitx' => 'sitx',
605
            'application/x-subrip' => 'srt',
606
            'application/x-sv4cpio' => 'sv4cpio',
607
            'application/x-sv4crc' => 'sv4crc',
608
            'application/x-t3vm-image' => 't3',
609
            'application/x-tads' => 'gam',
610
            'application/x-tar' => 'tar',
611
            'application/x-tcl' => 'tcl',
612
            'application/x-tex' => 'tex',
613
            'application/x-tex-tfm' => 'tfm',
614
            'application/x-texinfo' => 'texinfo',
615
            'application/x-tgif' => 'obj',
616
            'application/x-ustar' => 'ustar',
617
            'application/x-wais-source' => 'src',
618
            'application/x-x509-ca-cert' => 'der',
619
            'application/x-xfig' => 'fig',
620
            'application/x-xliff+xml' => 'xlf',
621
            'application/x-xpinstall' => 'xpi',
622
            'application/x-xz' => 'xz',
623
            'application/x-zmachine' => 'z1',
624
            'application/xaml+xml' => 'xaml',
625
            'application/xcap-diff+xml' => 'xdf',
626
            'application/xenc+xml' => 'xenc',
627
            'application/xhtml+xml' => 'xhtml',
628
            'application/xml' => 'xml',
629
            'application/xml-dtd' => 'dtd',
630
            'application/xop+xml' => 'xop',
631
            'application/xproc+xml' => 'xpl',
632
            'application/xslt+xml' => 'xslt',
633
            'application/xspf+xml' => 'xspf',
634
            'application/xv+xml' => 'mxml',
635
            'application/yang' => 'yang',
636
            'application/yin+xml' => 'yin',
637
            'application/zip' => 'zip',
638
            'audio/adpcm' => 'adp',
639
            'audio/basic' => 'au',
640
            'audio/midi' => 'mid',
641
            'audio/mp4' => 'mp4a',
642
            'audio/mpeg' => 'mpga',
643
            'audio/ogg' => 'oga',
644
            'audio/s3m' => 's3m',
645
            'audio/silk' => 'sil',
646
            'audio/vnd.dece.audio' => 'uva',
647
            'audio/vnd.digital-winds' => 'eol',
648
            'audio/vnd.dra' => 'dra',
649
            'audio/vnd.dts' => 'dts',
650
            'audio/vnd.dts.hd' => 'dtshd',
651
            'audio/vnd.lucent.voice' => 'lvp',
652
            'audio/vnd.ms-playready.media.pya' => 'pya',
653
            'audio/vnd.nuera.ecelp4800' => 'ecelp4800',
654
            'audio/vnd.nuera.ecelp7470' => 'ecelp7470',
655
            'audio/vnd.nuera.ecelp9600' => 'ecelp9600',
656
            'audio/vnd.rip' => 'rip',
657
            'audio/webm' => 'weba',
658
            'audio/x-aac' => 'aac',
659
            'audio/x-aiff' => 'aif',
660
            'audio/x-caf' => 'caf',
661
            'audio/x-flac' => 'flac',
662
            'audio/x-matroska' => 'mka',
663
            'audio/x-mpegurl' => 'm3u',
664
            'audio/x-ms-wax' => 'wax',
665
            'audio/x-ms-wma' => 'wma',
666
            'audio/x-pn-realaudio' => 'ram',
667
            'audio/x-pn-realaudio-plugin' => 'rmp',
668
            'audio/x-wav' => 'wav',
669
            'audio/xm' => 'xm',
670
            'chemical/x-cdx' => 'cdx',
671
            'chemical/x-cif' => 'cif',
672
            'chemical/x-cmdf' => 'cmdf',
673
            'chemical/x-cml' => 'cml',
674
            'chemical/x-csml' => 'csml',
675
            'chemical/x-xyz' => 'xyz',
676
            'image/bmp' => 'bmp',
677
            'image/x-ms-bmp' => 'bmp',
678
            'image/cgm' => 'cgm',
679
            'image/g3fax' => 'g3',
680
            'image/gif' => 'gif',
681
            'image/ief' => 'ief',
682
            'image/jpeg' => 'jpeg',
683
            'image/ktx' => 'ktx',
684
            'image/png' => 'png',
685
            'image/prs.btif' => 'btif',
686
            'image/sgi' => 'sgi',
687
            'image/svg+xml' => 'svg',
688
            'image/tiff' => 'tiff',
689
            'image/vnd.adobe.photoshop' => 'psd',
690
            'image/vnd.dece.graphic' => 'uvi',
691
            'image/vnd.dvb.subtitle' => 'sub',
692
            'image/vnd.djvu' => 'djvu',
693
            'image/vnd.dwg' => 'dwg',
694
            'image/vnd.dxf' => 'dxf',
695
            'image/vnd.fastbidsheet' => 'fbs',
696
            'image/vnd.fpx' => 'fpx',
697
            'image/vnd.fst' => 'fst',
698
            'image/vnd.fujixerox.edmics-mmr' => 'mmr',
699
            'image/vnd.fujixerox.edmics-rlc' => 'rlc',
700
            'image/vnd.ms-modi' => 'mdi',
701
            'image/vnd.ms-photo' => 'wdp',
702
            'image/vnd.net-fpx' => 'npx',
703
            'image/vnd.wap.wbmp' => 'wbmp',
704
            'image/vnd.xiff' => 'xif',
705
            'image/webp' => 'webp',
706
            'image/x-3ds' => '3ds',
707
            'image/x-cmu-raster' => 'ras',
708
            'image/x-cmx' => 'cmx',
709
            'image/x-freehand' => 'fh',
710
            'image/x-icon' => 'ico',
711
            'image/x-mrsid-image' => 'sid',
712
            'image/x-pcx' => 'pcx',
713
            'image/x-pict' => 'pic',
714
            'image/x-portable-anymap' => 'pnm',
715
            'image/x-portable-bitmap' => 'pbm',
716
            'image/x-portable-graymap' => 'pgm',
717
            'image/x-portable-pixmap' => 'ppm',
718
            'image/x-rgb' => 'rgb',
719
            'image/x-tga' => 'tga',
720
            'image/x-xbitmap' => 'xbm',
721
            'image/x-xpixmap' => 'xpm',
722
            'image/x-xwindowdump' => 'xwd',
723
            'message/rfc822' => 'eml',
724
            'model/iges' => 'igs',
725
            'model/mesh' => 'msh',
726
            'model/vnd.collada+xml' => 'dae',
727
            'model/vnd.dwf' => 'dwf',
728
            'model/vnd.gdl' => 'gdl',
729
            'model/vnd.gtw' => 'gtw',
730
            'model/vnd.mts' => 'mts',
731
            'model/vnd.vtu' => 'vtu',
732
            'model/vrml' => 'wrl',
733
            'model/x3d+binary' => 'x3db',
734
            'model/x3d+vrml' => 'x3dv',
735
            'model/x3d+xml' => 'x3d',
736
            'text/cache-manifest' => 'appcache',
737
            'text/calendar' => 'ics',
738
            'text/css' => 'css',
739
            'text/csv' => 'csv',
740
            'text/html' => 'html',
741
            'text/n3' => 'n3',
742
            'text/plain' => 'txt',
743
            'text/prs.lines.tag' => 'dsc',
744
            'text/richtext' => 'rtx',
745
            'text/rtf' => 'rtf',
746
            'text/sgml' => 'sgml',
747
            'text/tab-separated-values' => 'tsv',
748
            'text/troff' => 't',
749
            'text/turtle' => 'ttl',
750
            'text/uri-list' => 'uri',
751
            'text/vcard' => 'vcard',
752
            'text/vnd.curl' => 'curl',
753
            'text/vnd.curl.dcurl' => 'dcurl',
754
            'text/vnd.curl.scurl' => 'scurl',
755
            'text/vnd.curl.mcurl' => 'mcurl',
756
            'text/vnd.dvb.subtitle' => 'sub',
757
            'text/vnd.fly' => 'fly',
758
            'text/vnd.fmi.flexstor' => 'flx',
759
            'text/vnd.graphviz' => 'gv',
760
            'text/vnd.in3d.3dml' => '3dml',
761
            'text/vnd.in3d.spot' => 'spot',
762
            'text/vnd.sun.j2me.app-descriptor' => 'jad',
763
            'text/vnd.wap.wml' => 'wml',
764
            'text/vnd.wap.wmlscript' => 'wmls',
765
            'text/x-asm' => 's',
766
            'text/x-c' => 'c',
767
            'text/x-fortran' => 'f',
768
            'text/x-pascal' => 'p',
769
            'text/x-java-source' => 'java',
770
            'text/x-opml' => 'opml',
771
            'text/x-nfo' => 'nfo',
772
            'text/x-setext' => 'etx',
773
            'text/x-sfv' => 'sfv',
774
            'text/x-uuencode' => 'uu',
775
            'text/x-vcalendar' => 'vcs',
776
            'text/x-vcard' => 'vcf',
777
            'video/3gpp' => '3gp',
778
            'video/3gpp2' => '3g2',
779
            'video/h261' => 'h261',
780
            'video/h263' => 'h263',
781
            'video/h264' => 'h264',
782
            'video/jpeg' => 'jpgv',
783
            'video/jpm' => 'jpm',
784
            'video/mj2' => 'mj2',
785
            'video/mp4' => 'mp4',
786
            'video/mpeg' => 'mpeg',
787
            'video/ogg' => 'ogv',
788
            'video/quicktime' => 'qt',
789
            'video/vnd.dece.hd' => 'uvh',
790
            'video/vnd.dece.mobile' => 'uvm',
791
            'video/vnd.dece.pd' => 'uvp',
792
            'video/vnd.dece.sd' => 'uvs',
793
            'video/vnd.dece.video' => 'uvv',
794
            'video/vnd.dvb.file' => 'dvb',
795
            'video/vnd.fvt' => 'fvt',
796
            'video/vnd.mpegurl' => 'mxu',
797
            'video/vnd.ms-playready.media.pyv' => 'pyv',
798
            'video/vnd.uvvu.mp4' => 'uvu',
799
            'video/vnd.vivo' => 'viv',
800
            'video/webm' => 'webm',
801
            'video/x-f4v' => 'f4v',
802
            'video/x-fli' => 'fli',
803
            'video/x-flv' => 'flv',
804
            'video/x-m4v' => 'm4v',
805
            'video/x-matroska' => 'mkv',
806
            'video/x-mng' => 'mng',
807
            'video/x-ms-asf' => 'asf',
808
            'video/x-ms-vob' => 'vob',
809
            'video/x-ms-wm' => 'wm',
810
            'video/x-ms-wmv' => 'wmv',
811
            'video/x-ms-wmx' => 'wmx',
812
            'video/x-ms-wvx' => 'wvx',
813
            'video/x-msvideo' => 'avi',
814
            'video/x-sgi-movie' => 'movie',
815
            'video/x-smv' => 'smv',
816
            'x-conference/x-cooltalk' => 'ice'
817
        ];
818
    }
819
820
    /**
821
     * @var Extension
822
     */
823
    private static $instance = null;
824
825
    private $defaultExtensions;
826
}