1. sfValidatedFile.class.php
  2. /**
 * sfValidatedFile represents a validated uploaded file.
 *
 * @package    symfony
 * @subpackage validator
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfValidatedFile.class.php 26264 2010-01-06 07:47:56Z fabien $
 */
  3. class sfValidatedFile
  4. {
  5.   protected
  6.     $originalName = '',
  7.     $tempName     = '',
  8.     $savedName    = null,
  9.     $type         = '',
  10.     $size         = 0,
  11.     $path         = null;
  13.   /**
  14.    * Constructor.
  15.    *
  16.    * @param string $originalName  The original file name
  17.    * @param string $type          The file content type
  18.    * @param string $tempName      The absolute temporary path to the file
  19.    * @param int    $size          The file size (in bytes)
  20.    * @param string $path          The path to save the file (optional).
  21.    */
  22.   public function __construct($originalName, $type, $tempName, $size, $path = null)
  23.   {
  24.     $this->originalName = $originalName;
  25.     $this->tempName = $tempName;
  26.     $this->type = $type;
  27.     $this->size = $size;
  28.     $this->path = $path;
  29.   }
  31.   /**
  32.    * Returns the name of the saved file.
  33.    */
  34.   public function __toString()
  35.   {
  36.     return null === $this->savedName ? '' : $this->savedName;
  37.   }
  39.   /**
  40.    * Saves the uploaded file.
  41.    *
  42.    * This method can throw exceptions if there is a problem when saving the file.
  43.    *
  44.    * If you don't pass a file name, it will be generated by the generateFilename method.
  45.    * This will only work if you have passed a path when initializing this instance.
  46.    *
  47.    * @param  string $file      The file path to save the file
  48.    * @param  int    $fileMode  The octal mode to use for the new file
  49.    * @param  bool   $create    Indicates that we should make the directory before moving the file
  50.    * @param  int    $dirMode   The octal mode to use when creating the directory
  51.    *
  52.    * @return string The filename without the $this->path prefix
  53.    *
  54.    * @throws Exception
  55.    */
  56.   public function save($file = null, $fileMode = 0666, $create = true, $dirMode = 0777)
  57.   {
  58.     if (null === $file)
  59.     {
  60.       $file = $this->generateFilename();
  61.     }
  63.     if ($file[0] != '/' && $file[0] != '\\' && !(strlen($file) > 3 && ctype_alpha($file[0]) && $file[1] == ':' && ($file[2] == '\\' || $file[2] == '/')))
  64.     {
  65.       if (null === $this->path)
  66.       {
  67.         throw new RuntimeException('You must give a "path" when you give a relative file name.');
  68.       }
  70.       $file = $this->path.DIRECTORY_SEPARATOR.$file;
  71.     }
  73.     // get our directory path from the destination filename
  74.     $directory = dirname($file);
  76.     if (!is_readable($directory))
  77.     {
  78.       if ($create && !@mkdir($directory, $dirMode, true))
  79.       {
  80.         // failed to create the directory
  81.         throw new Exception(sprintf('Failed to create file upload directory "%s".', $directory));
  82.       }
  84.       // chmod the directory since it doesn't seem to work on recursive paths
  85.       chmod($directory, $dirMode);
  86.     }
  88.     if (!is_dir($directory))
  89.     {
  90.       // the directory path exists but it's not a directory
  91.       throw new Exception(sprintf('File upload path "%s" exists, but is not a directory.', $directory));
  92.     }
  94.     if (!is_writable($directory))
  95.     {
  96.       // the directory isn't writable
  97.       throw new Exception(sprintf('File upload path "%s" is not writable.', $directory));
  98.     }
  100.     // copy the temp file to the destination file
  101.     copy($this->getTempName(), $file);
  103.     // chmod our file
  104.     chmod($file, $fileMode);
  106.     $this->savedName = $file;
  108.     return null === $this->path ? $file : str_replace($this->path.DIRECTORY_SEPARATOR, '', $file);
  109.   }
  111.   /**
  112.    * Generates a random filename for the current file.
  113.    *
  114.    * @return string A random name to represent the current file
  115.    */
  116.   public function generateFilename()
  117.   {
  118.     return sha1($this->getOriginalName().rand(11111, 99999)).$this->getExtension($this->getOriginalExtension());
  119.   }
  121.   /**
  122.    * Returns the path to use when saving a file with a relative filename.
  123.    *
  124.    * @return string The path to use when saving a file with a relative filename
  125.    */
  126.   public function getPath()
  127.   {
  128.     return $this->path;
  129.   }
  131.   /**
  132.    * Returns the file extension, based on the content type of the file.
  133.    *
  134.    * @param  string $default  The default extension to return if none was given
  135.    *
  136.    * @return string The extension (with the dot)
  137.    */
  138.   public function getExtension($default = '')
  139.   {
  140.     return $this->getExtensionFromType($this->type, $default);
  141.   }
  143.   /**
  144.    * Returns the original uploaded file name extension.
  145.    *
  146.    * @param  string $default  The default extension to return if none was given
  147.    *
  148.    * @return string The extension of the uploaded name (with the dot)
  149.    */
  150.   public function getOriginalExtension($default = '')
  151.   {
  152.     return (false === $pos = strrpos($this->getOriginalName(), '.')) ? $default : substr($this->getOriginalName(), $pos);
  153.   }
  155.   /**
  156.    * Returns true if the file has already been saved.
  157.    *
  158.    * @return Boolean true if the file has already been saved, false otherwise
  159.    */
  160.   public function isSaved()
  161.   {
  162.     return null !== $this->savedName;
  163.   }
  165.   /**
  166.    * Returns the path where the file has been saved
  167.    *
  168.    * @return string The path where the file has been saved
  169.    */
  170.   public function getSavedName()
  171.   {
  172.     return $this->savedName;
  173.   }
  175.   /**
  176.    * Returns the original file name.
  177.    *
  178.    * @return string The file name
  179.    */
  180.   public function getOriginalName()
  181.   {
  182.     return $this->originalName;
  183.   }
  185.   /**
  186.    * Returns the absolute temporary path to the uploaded file.
  187.    *
  188.    * @return string The temporary path
  189.    */
  190.   public function getTempName()
  191.   {
  192.     return $this->tempName;
  193.   }
  195.   /**
  196.    * Returns the file content type.
  197.    *
  198.    * @return string The content type
  199.    */
  200.   public function getType()
  201.   {
  202.     return $this->type;
  203.   }
  205.   /**
  206.    * Returns the size of the uploaded file.
  207.    *
  208.    * @return int The file size
  209.    */
  210.   public function getSize()
  211.   {
  212.     return $this->size;
  213.   }
  215.   /**
  216.    * Returns the extension associated with the given content type.
  217.    *
  218.    * @param  string $type     The content type
  219.    * @param  string $default  The default extension to use
  220.    *
  221.    * @return string The extension (with the dot)
  222.    */
  223.   protected function getExtensionFromType($type, $default = '')
  224.   {
  225.     static $extensions = array(
  226.       'application/andrew-inset' => 'ez',
  227.       'application/appledouble' => 'base64',
  228.       'application/applefile' => 'base64',
  229.       'application/commonground' => 'dp',
  230.       'application/cprplayer' => 'pqi',
  231.       'application/dsptype' => 'tsp',
  232.       'application/excel' => 'xls',
  233.       'application/font-tdpfr' => 'pfr',
  234.       'application/futuresplash' => 'spl',
  235.       'application/hstu' => 'stk',
  236.       'application/hyperstudio' => 'stk',
  237.       'application/javascript' => 'js',
  238.       'application/mac-binhex40' => 'hqx',
  239.       'application/mac-compactpro' => 'cpt',
  240.       'application/mbed' => 'mbd',
  241.       'application/mirage' => 'mfp',
  242.       'application/msword' => 'doc',
  243.       'application/ocsp-request' => 'orq',
  244.       'application/ocsp-response' => 'ors',
  245.       'application/octet-stream' => 'bin',
  246.       'application/oda' => 'oda',
  247.       'application/ogg' => 'ogg',
  248.       'application/pdf' => 'pdf',
  249.       'application/x-pdf' => 'pdf',
  250.       'application/pgp-encrypted' => '7bit',
  251.       'application/pgp-keys' => '7bit',
  252.       'application/pgp-signature' => 'sig',
  253.       'application/pkcs10' => 'p10',
  254.       'application/pkcs7-mime' => 'p7m',
  255.       'application/pkcs7-signature' => 'p7s',
  256.       'application/pkix-cert' => 'cer',
  257.       'application/pkix-crl' => 'crl',
  258.       'application/pkix-pkipath' => 'pkipath',
  259.       'application/pkixcmp' => 'pki',
  260.       'application/postscript' => 'ps',
  261.       'application/presentations' => 'shw',
  262.       'application/prs.cww' => 'cw',
  263.       'application/prs.nprend' => 'rnd',
  264.       'application/quest' => 'qrt',
  265.       'application/rtf' => 'rtf',
  266.       'application/sgml-open-catalog' => 'soc',
  267.       'application/sieve' => 'siv',
  268.       'application/smil' => 'smi',
  269.       'application/toolbook' => 'tbk',
  270.       'application/vnd.3gpp.pic-bw-large' => 'plb',
  271.       'application/vnd.3gpp.pic-bw-small' => 'psb',
  272.       'application/vnd.3gpp.pic-bw-var' => 'pvb',
  273.       'application/vnd.3gpp.sms' => 'sms',
  274.       'application/vnd.acucorp' => 'atc',
  275.       'application/vnd.adobe.xfdf' => 'xfdf',
  276.       'application/vnd.amiga.amu' => 'ami',
  277.       'application/vnd.blueice.multipass' => 'mpm',
  278.       'application/vnd.cinderella' => 'cdy',
  279.       'application/vnd.cosmocaller' => 'cmc',
  280.       'application/vnd.criticaltools.wbs+xml' => 'wbs',
  281.       'application/vnd.curl' => 'curl',
  282.       'application/vnd.data-vision.rdz' => 'rdz',
  283.       'application/vnd.dreamfactory' => 'dfac',
  284.       'application/vnd.fsc.weblauch' => 'fsc',
  285.       'application/vnd.genomatix.tuxedo' => 'txd',
  286.       'application/vnd.hbci' => 'hbci',
  287.       'application/vnd.hhe.lesson-player' => 'les',
  288.       'application/vnd.hp-hpgl' => 'plt',
  289.       'application/vnd.ibm.electronic-media' => 'emm',
  290.       'application/vnd.ibm.rights-management' => 'irm',
  291.       'application/vnd.ibm.secure-container' => 'sc',
  292.       'application/vnd.ipunplugged.rcprofile' => 'rcprofile',
  293.       'application/vnd.irepository.package+xml' => 'irp',
  294.       'application/vnd.jisp' => 'jisp',
  295.       'application/vnd.kde.karbon' => 'karbon',
  296.       'application/vnd.kde.kchart' => 'chrt',
  297.       'application/vnd.kde.kformula' => 'kfo',
  298.       'application/vnd.kde.kivio' => 'flw',
  299.       'application/vnd.kde.kontour' => 'kon',
  300.       'application/vnd.kde.kpresenter' => 'kpr',
  301.       'application/vnd.kde.kspread' => 'ksp',
  302.       'application/vnd.kde.kword' => 'kwd',
  303.       'application/vnd.kenameapp' => 'htke',
  304.       'application/vnd.kidspiration' => 'kia',
  305.       'application/vnd.kinar' => 'kne',
  306.       'application/vnd.llamagraphics.life-balance.desktop' => 'lbd',
  307.       'application/vnd.llamagraphics.life-balance.exchange+xml' => 'lbe',
  308.       'application/vnd.lotus-1-2-3' => 'wks',
  309.       'application/vnd.mcd' => 'mcd',
  310.       'application/vnd.mfmp' => 'mfm',
  311.       'application/vnd.micrografx.flo' => 'flo',
  312.       'application/vnd.micrografx.igx' => 'igx',
  313.       'application/vnd.mif' => 'mif',
  314.       'application/vnd.mophun.application' => 'mpn',
  315.       'application/vnd.mophun.certificate' => 'mpc',
  316.       'application/vnd.mozilla.xul+xml' => 'xul',
  317.       'application/vnd.ms-artgalry' => 'cil',
  318.       'application/vnd.ms-asf' => 'asf',
  319.       'application/vnd.ms-excel' => 'xls',
  320.       'application/vnd.ms-excel.sheet.macroenabled.12' => 'xlsm',
  321.       'application/vnd.ms-lrm' => 'lrm',
  322.       'application/vnd.ms-powerpoint' => 'ppt',
  323.       'application/vnd.ms-project' => 'mpp',
  324.       'application/vnd.ms-tnef' => 'base64',
  325.       'application/vnd.ms-works' => 'base64',
  326.       'application/vnd.ms-wpl' => 'wpl',
  327.       'application/vnd.mseq' => 'mseq',
  328.       'application/vnd.nervana' => 'ent',
  329.       'application/vnd.nokia.radio-preset' => 'rpst',
  330.       'application/vnd.nokia.radio-presets' => 'rpss',
  331.       'application/vnd.oasis.opendocument.text' => 'odt',
  332.       'application/vnd.oasis.opendocument.text-template' => 'ott',
  333.       'application/vnd.oasis.opendocument.text-web' => 'oth',
  334.       'application/vnd.oasis.opendocument.text-master' => 'odm',
  335.       'application/vnd.oasis.opendocument.graphics' => 'odg',
  336.       'application/vnd.oasis.opendocument.graphics-template' => 'otg',
  337.       'application/vnd.oasis.opendocument.presentation' => 'odp',
  338.       'application/vnd.oasis.opendocument.presentation-template' => 'otp',
  339.       'application/vnd.oasis.opendocument.spreadsheet' => 'ods',
  340.       'application/vnd.oasis.opendocument.spreadsheet-template' => 'ots',
  341.       'application/vnd.oasis.opendocument.chart' => 'odc',
  342.       'application/vnd.oasis.opendocument.formula' => 'odf',
  343.       'application/vnd.oasis.opendocument.database' => 'odb',
  344.       'application/vnd.oasis.opendocument.image' => 'odi',
  345.       'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'docx',
  346.       'application/vnd.openxmlformats-officedocument.wordprocessingml.template' => 'dotx',
  347.       'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => 'xlsx',
  348.       'application/vnd.openxmlformats-officedocument.presentationml.presentation' => 'pptx',
  349.       'application/vnd.palm' => 'prc',
  350.       'application/vnd.picsel' => 'efif',
  351.       'application/vnd.pvi.ptid1' => 'pti',
  352.       'application/vnd.quark.quarkxpress' => 'qxd',
  353.       'application/vnd.sealed.doc' => 'sdoc',
  354.       'application/vnd.sealed.eml' => 'seml',
  355.       'application/vnd.sealed.mht' => 'smht',
  356.       'application/vnd.sealed.ppt' => 'sppt',
  357.       'application/vnd.sealed.xls' => 'sxls',
  358.       'application/vnd.sealedmedia.softseal.html' => 'stml',
  359.       'application/vnd.sealedmedia.softseal.pdf' => 'spdf',
  360.       'application/vnd.seemail' => 'see',
  361.       'application/vnd.smaf' => 'mmf',
  362.       'application/vnd.sun.xml.calc' => 'sxc',
  363.       'application/vnd.sun.xml.calc.template' => 'stc',
  364.       'application/vnd.sun.xml.draw' => 'sxd',
  365.       'application/vnd.sun.xml.draw.template' => 'std',
  366.       'application/vnd.sun.xml.impress' => 'sxi',
  367.       'application/vnd.sun.xml.impress.template' => 'sti',
  368.       'application/vnd.sun.xml.math' => 'sxm',
  369.       'application/vnd.sun.xml.writer' => 'sxw',
  370.       'application/vnd.sun.xml.writer.global' => 'sxg',
  371.       'application/vnd.sun.xml.writer.template' => 'stw',
  372.       'application/vnd.sus-calendar' => 'sus',
  373.       'application/vnd.vidsoft.vidconference' => 'vsc',
  374.       'application/vnd.visio' => 'vsd',
  375.       'application/vnd.visionary' => 'vis',
  376.       'application/vnd.wap.sic' => 'sic',
  377.       'application/vnd.wap.slc' => 'slc',
  378.       'application/vnd.wap.wbxml' => 'wbxml',
  379.       'application/vnd.wap.wmlc' => 'wmlc',
  380.       'application/vnd.wap.wmlscriptc' => 'wmlsc',
  381.       'application/vnd.webturbo' => 'wtb',
  382.       'application/vnd.wordperfect' => 'wpd',
  383.       'application/vnd.wqd' => 'wqd',
  384.       'application/vnd.wv.csp+wbxml' => 'wv',
  385.       'application/vnd.wv.csp+xml' => '8bit',
  386.       'application/vnd.wv.ssp+xml' => '8bit',
  387.       'application/vnd.yamaha.hv-dic' => 'hvd',
  388.       'application/vnd.yamaha.hv-script' => 'hvs',
  389.       'application/vnd.yamaha.hv-voice' => 'hvp',
  390.       'application/vnd.yamaha.smaf-audio' => 'saf',
  391.       'application/vnd.yamaha.smaf-phrase' => 'spf',
  392.       'application/vocaltec-media-desc' => 'vmd',
  393.       'application/vocaltec-media-file' => 'vmf',
  394.       'application/vocaltec-talker' => 'vtk',
  395.       'application/watcherinfo+xml' => 'wif',
  396.       'application/wordperfect5.1' => 'wp5',
  397.       'application/x-123' => 'wk',
  398.       'application/x-7th_level_event' => '7ls',
  399.       'application/x-authorware-bin' => 'aab',
  400.       'application/x-authorware-map' => 'aam',
  401.       'application/x-authorware-seg' => 'aas',
  402.       'application/x-bcpio' => 'bcpio',
  403.       'application/x-bleeper' => 'bleep',
  404.       'application/x-bzip2' => 'bz2',
  405.       'application/x-cdlink' => 'vcd',
  406.       'application/x-chat' => 'chat',
  407.       'application/x-chess-pgn' => 'pgn',
  408.       'application/x-compress' => 'z',
  409.       'application/x-cpio' => 'cpio',
  410.       'application/x-cprplayer' => 'pqf',
  411.       'application/x-csh' => 'csh',
  412.       'application/x-cu-seeme' => 'csm',
  413.       'application/x-cult3d-object' => 'co',
  414.       'application/x-debian-package' => 'deb',
  415.       'application/x-director' => 'dcr',
  416.       'application/x-dvi' => 'dvi',
  417.       'application/x-envoy' => 'evy',
  418.       'application/x-futuresplash' => 'spl',
  419.       'application/x-gtar' => 'gtar',
  420.       'application/x-gzip' => 'gz',
  421.       'application/x-hdf' => 'hdf',
  422.       'application/x-hep' => 'hep',
  423.       'application/x-html+ruby' => 'rhtml',
  424.       'application/x-httpd-miva' => 'mv',
  425.       'application/x-httpd-php' => 'phtml',
  426.       'application/x-ica' => 'ica',
  427.       'application/x-imagemap' => 'imagemap',
  428.       'application/x-ipix' => 'ipx',
  429.       'application/x-ipscript' => 'ips',
  430.       'application/x-java-archive' => 'jar',
  431.       'application/x-java-jnlp-file' => 'jnlp',
  432.       'application/x-java-serialized-object' => 'ser',
  433.       'application/x-java-vm' => 'class',
  434.       'application/x-javascript' => 'js',
  435.       'application/x-koan' => 'skp',
  436.       'application/x-latex' => 'latex',
  437.       'application/x-mac-compactpro' => 'cpt',
  438.       'application/x-maker' => 'frm',
  439.       'application/x-mathcad' => 'mcd',
  440.       'application/x-midi' => 'mid',
  441.       'application/x-mif' => 'mif',
  442.       'application/x-msaccess' => 'mda',
  443.       'application/x-msdos-program' => 'com',
  444.       'application/x-msdownload' => 'base64',
  445.       'application/x-msexcel' => 'xls',
  446.       'application/x-msword' => 'doc',
  447.       'application/x-netcdf' => 'nc',
  448.       'application/x-ns-proxy-autoconfig' => 'pac',
  449.       'application/x-pagemaker' => 'pm5',
  450.       'application/x-perl' => 'pl',
  451.       'application/x-pn-realmedia' => 'rp',
  452.       'application/x-python' => 'py',
  453.       'application/x-quicktimeplayer' => 'qtl',
  454.       'application/x-rar-compressed' => 'rar',
  455.       'application/x-ruby' => 'rb',
  456.       'application/x-sh' => 'sh',
  457.       'application/x-shar' => 'shar',
  458.       'application/x-shockwave-flash' => 'swf',
  459.       'application/x-sprite' => 'spr',
  460.       'application/x-spss' => 'sav',
  461.       'application/x-spt' => 'spt',
  462.       'application/x-stuffit' => 'sit',
  463.       'application/x-sv4cpio' => 'sv4cpio',
  464.       'application/x-sv4crc' => 'sv4crc',
  465.       'application/x-tar' => 'tar',
  466.       'application/x-tcl' => 'tcl',
  467.       'application/x-tex' => 'tex',
  468.       'application/x-texinfo' => 'texinfo',
  469.       'application/x-troff' => 't',
  470.       'application/x-troff-man' => 'man',
  471.       'application/x-troff-me' => 'me',
  472.       'application/x-troff-ms' => 'ms',
  473.       'application/x-twinvq' => 'vqf',
  474.       'application/x-twinvq-plugin' => 'vqe',
  475.       'application/x-ustar' => 'ustar',
  476.       'application/x-vmsbackup' => 'bck',
  477.       'application/x-wais-source' => 'src',
  478.       'application/x-wingz' => 'wz',
  479.       'application/x-word' => 'base64',
  480.       'application/x-wordperfect6.1' => 'wp6',
  481.       'application/x-x509-ca-cert' => 'crt',
  482.       'application/x-zip-compressed' => 'zip',
  483.       'application/xhtml+xml' => 'xhtml',
  484.       'application/zip' => 'zip',
  485.       'audio/3gpp' => '3gpp',
  486.       'audio/amr' => 'amr',
  487.       'audio/amr-wb' => 'awb',
  488.       'audio/basic' => 'au',
  489.       'audio/evrc' => 'evc',
  490.       'audio/l16' => 'l16',
  491.       'audio/midi' => 'mid',
  492.       'audio/mpeg' => 'mp3',
  493.       'audio/prs.sid' => 'sid',
  494.       'audio/qcelp' => 'qcp',
  495.       'audio/smv' => 'smv',
  496.       'audio/vnd.audiokoz' => 'koz',
  497.       'audio/vnd.digital-winds' => 'eol',
  498.       'audio/vnd.everad.plj' => 'plj',
  499.       'audio/vnd.lucent.voice' => 'lvp',
  500.       'audio/vnd.nokia.mobile-xmf' => 'mxmf',
  501.       'audio/vnd.nortel.vbk' => 'vbk',
  502.       'audio/vnd.nuera.ecelp4800' => 'ecelp4800',
  503.       'audio/vnd.nuera.ecelp7470' => 'ecelp7470',
  504.       'audio/vnd.nuera.ecelp9600' => 'ecelp9600',
  505.       'audio/vnd.sealedmedia.softseal.mpeg' => 'smp3',
  506.       'audio/voxware' => 'vox',
  507.       'audio/x-aiff' => 'aif',
  508.       'audio/x-mid' => 'mid',
  509.       'audio/x-midi' => 'mid',
  510.       'audio/x-mpeg' => 'mp2',
  511.       'audio/x-mpegurl' => 'mpu',
  512.       'audio/x-pn-realaudio' => 'rm',
  513.       'audio/x-pn-realaudio-plugin' => 'rpm',
  514.       'audio/x-realaudio' => 'ra',
  515.       'audio/x-wav' => 'wav',
  516.       'chemical/x-csml' => 'csm',
  517.       'chemical/x-embl-dl-nucleotide' => 'emb',
  518.       'chemical/x-gaussian-cube' => 'cube',
  519.       'chemical/x-gaussian-input' => 'gau',
  520.       'chemical/x-jcamp-dx' => 'jdx',
  521.       'chemical/x-mdl-molfile' => 'mol',
  522.       'chemical/x-mdl-rxnfile' => 'rxn',
  523.       'chemical/x-mdl-tgf' => 'tgf',
  524.       'chemical/x-mopac-input' => 'mop',
  525.       'chemical/x-pdb' => 'pdb',
  526.       'chemical/x-rasmol' => 'scr',
  527.       'chemical/x-xyz' => 'xyz',
  528.       'drawing/dwf' => 'dwf',
  529.       'drawing/x-dwf' => 'dwf',
  530.       'i-world/i-vrml' => 'ivr',
  531.       'image/bmp' => 'bmp',
  532.       'image/cewavelet' => 'wif',
  533.       'image/cis-cod' => 'cod',
  534.       'image/fif' => 'fif',
  535.       'image/gif' => 'gif',
  536.       'image/ief' => 'ief',
  537.       'image/jp2' => 'jp2',
  538.       'image/jpeg' => 'jpg',
  539.       'image/jpm' => 'jpm',
  540.       'image/jpx' => 'jpf',
  541.       'image/pict' => 'pic',
  542.       'image/pjpeg' => 'jpg',
  543.       'image/png' => 'png',
  544.       'image/targa' => 'tga',
  545.       'image/tiff' => 'tif',
  546.       'image/vn-svf' => 'svf',
  547.       'image/vnd.dgn' => 'dgn',
  548.       'image/vnd.djvu' => 'djvu',
  549.       'image/vnd.dwg' => 'dwg',
  550.       'image/vnd.glocalgraphics.pgb' => 'pgb',
  551.       'image/vnd.microsoft.icon' => 'ico',
  552.       'image/vnd.ms-modi' => 'mdi',
  553.       'image/vnd.sealed.png' => 'spng',
  554.       'image/vnd.sealedmedia.softseal.gif' => 'sgif',
  555.       'image/vnd.sealedmedia.softseal.jpg' => 'sjpg',
  556.       'image/vnd.wap.wbmp' => 'wbmp',
  557.       'image/x-bmp' => 'bmp',
  558.       'image/x-cmu-raster' => 'ras',
  559.       'image/x-freehand' => 'fh4',
  560.       'image/x-png' => 'png',
  561.       'image/x-portable-anymap' => 'pnm',
  562.       'image/x-portable-bitmap' => 'pbm',
  563.       'image/x-portable-graymap' => 'pgm',
  564.       'image/x-portable-pixmap' => 'ppm',
  565.       'image/x-rgb' => 'rgb',
  566.       'image/x-xbitmap' => 'xbm',
  567.       'image/x-xpixmap' => 'xpm',
  568.       'image/x-xwindowdump' => 'xwd',
  569.       'message/external-body' => '8bit',
  570.       'message/news' => '8bit',
  571.       'message/partial' => '8bit',
  572.       'message/rfc822' => '8bit',
  573.       'model/iges' => 'igs',
  574.       'model/mesh' => 'msh',
  575.       'model/vnd.parasolid.transmit.binary' => 'x_b',
  576.       'model/vnd.parasolid.transmit.text' => 'x_t',
  577.       'model/vrml' => 'wrl',
  578.       'multipart/alternative' => '8bit',
  579.       'multipart/appledouble' => '8bit',
  580.       'multipart/digest' => '8bit',
  581.       'multipart/mixed' => '8bit',
  582.       'multipart/parallel' => '8bit',
  583.       'text/comma-separated-values' => 'csv',
  584.       'text/css' => 'css',
  585.       'text/html' => 'html',
  586.       'text/plain' => 'txt',
  587.       'text/prs.fallenstein.rst' => 'rst',
  588.       'text/richtext' => 'rtx',
  589.       'text/rtf' => 'rtf',
  590.       'text/sgml' => 'sgml',
  591.       'text/tab-separated-values' => 'tsv',
  592.       'text/vnd.net2phone.commcenter.command' => 'ccc',
  593.       'text/vnd.sun.j2me.app-descriptor' => 'jad',
  594.       'text/vnd.wap.si' => 'si',
  595.       'text/vnd.wap.sl' => 'sl',
  596.       'text/vnd.wap.wml' => 'wml',
  597.       'text/vnd.wap.wmlscript' => 'wmls',
  598.       'text/x-hdml' => 'hdml',
  599.       'text/x-setext' => 'etx',
  600.       'text/x-sgml' => 'sgml',
  601.       'text/x-speech' => 'talk',
  602.       'text/x-vcalendar' => 'vcs',
  603.       'text/x-vcard' => 'vcf',
  604.       'text/xml' => 'xml',
  605.       'ulead/vrml' => 'uvr',
  606.       'video/3gpp' => '3gp',
  607.       'video/dl' => 'dl',
  608.       'video/gl' => 'gl',
  609.       'video/mj2' => 'mj2',
  610.       'video/mpeg' => 'mpeg',
  611.       'video/quicktime' => 'mov',
  612.       'video/vdo' => 'vdo',
  613.       'video/vivo' => 'viv',
  614.       'video/vnd.fvt' => 'fvt',
  615.       'video/vnd.mpegurl' => 'mxu',
  616.       'video/vnd.nokia.interleaved-multimedia' => 'nim',
  617.       'video/vnd.objectvideo' => 'mp4',
  618.       'video/vnd.sealed.mpeg1' => 's11',
  619.       'video/vnd.sealed.mpeg4' => 'smpg',
  620.       'video/vnd.sealed.swf' => 'sswf',
  621.       'video/vnd.sealedmedia.softseal.mov' => 'smov',
  622.       'video/vnd.vivo' => 'vivo',
  623.       'video/x-fli' => 'fli',
  624.       'video/x-ms-asf' => 'asf',
  625.       'video/x-ms-wmv' => 'wmv',
  626.       'video/x-msvideo' => 'avi',
  627.       'video/x-sgi-movie' => 'movie',
  628.       'x-chemical/x-pdb' => 'pdb',
  629.       'x-chemical/x-xyz' => 'xyz',
  630.       'x-conference/x-cooltalk' => 'ice',
  631.       'x-drawing/dwf' => 'dwf',
  632.       'x-world/x-d96' => 'd',
  633.       'x-world/x-svr' => 'svr',
  634.       'x-world/x-vream' => 'vrw',
  635.       'x-world/x-vrml' => 'wrl',
  636.     );
  638.     return !$type ? $default : (isset($extensions[$type]) ? '.'.$extensions[$type] : $default);
  639.   }
  640. }
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