'.a' : 'application/octet-stream', '.ai' : 'application/postscript', '.aif' : 'audio/x-aiff', '.aifc' : 'audio/x-aiff', '.aiff' : 'audio/x-aiff', '.au' : 'audio/basic', '.avi' : 'video/x-msvideo', '.bat' : 'text/plain', '.bcpio' : 'application/x-bcpio', '.bin' : 'application/octet-stream', '.bmp' : 'image/x-ms-bmp', '.c' : 'text/plain', '.cdf' : 'application/x-cdf', '.cdf' : 'application/x-netcdf', '.cpio' : 'application/x-cpio', '.csh' : 'application/x-csh', '.css' : 'text/css', '.dll' : 'application/octet-stream', '.doc' : 'application/msword', '.dot' : 'application/msword', '.dvi' : 'application/x-dvi', '.eml' : 'message/rfc822', '.eps' : 'application/postscript', '.etx' : 'text/x-setext', '.exe' : 'application/octet-stream', '.gif' : 'image/gif', '.gtar' : 'application/x-gtar', '.h' : 'text/plain', '.hdf' : 'application/x-hdf', '.htm' : 'text/html', '.html' : 'text/html', '.ief' : 'image/ief', '.jpe' : 'image/jpeg', '.jpeg' : 'image/jpeg', '.jpg' : 'image/jpeg', '.js' : 'application/x-java script', '.ksh' : 'text/plain', '.latex' : 'application/x-latex', '.m1v' : 'video/mpeg', '.man' : 'application/x-troff-man', '.me' : 'application/x-troff-me', '.mht' : 'message/rfc822', '.mhtml' : 'message/rfc822', '.mif' : 'application/x-mif', '.mov' : 'video/quicktime', '.movie' : 'video/x-sgi-movie', '.mp2' : 'audio/mpeg', '.mp3' : 'audio/mpeg', '.mpa' : 'video/mpeg', '.mpe' : 'video/mpeg', '.mpeg' : 'video/mpeg', '.mpg' : 'video/mpeg', '.ms' : 'application/x-troff-ms', '.nc' : 'application/x-netcdf', '.nws' : 'message/rfc822', '.o' : 'application/octet-stream', '.obj' : 'application/octet-stream', '.oda' : 'application/oda', '.p12' : 'application/x-pkcs12', '.p7c' : 'application/pkcs7-mime', '.pbm' : 'image/x-portable-bitmap', '.pdf' : 'application/pdf', '.pfx' : 'application/x-pkcs12', '.pgm' : 'image/x-portable-graymap', '.pl' : 'text/plain', '.png' : 'image/png', '.pnm' : 'image/x-portable-anymap', '.pot' : 'application/vnd.ms-powerpoint', '.ppa' : 'application/vnd.ms-powerpoint', '.ppm' : 'image/x-portable-pixmap', '.pps' : 'application/vnd.ms-powerpoint', '.ppt' : 'application/vnd.ms-powerpoint', '.ps' : 'application/postscript', '.pwz' : 'application/vnd.ms-powerpoint', '.py' : 'text/x-python', '.pyc' : 'application/x-python-code', '.pyo' : 'application/x-python-code', '.qt' : 'video/quicktime', '.ra' : 'audio/x-pn-realaudio', '.ram' : 'application/x-pn-realaudio', '.ras' : 'image/x-cmu-raster', '.rdf' : 'application/xml', '.rgb' : 'image/x-rgb', '.roff' : 'application/x-troff', '.rtx' : 'text/richtext', '.sgm' : 'text/x-sgml', '.sgml' : 'text/x-sgml', '.sh' : 'application/x-sh', '.shar' : 'application/x-shar', '.snd' : 'audio/basic', '.so' : 'application/octet-stream', '.src' : 'application/x-wais-source', '.sv4cpio': 'application/x-sv4cpio', '.sv4crc' : 'application/x-sv4crc', '.swf' : 'application/x-shockwave-flash', '.t' : 'application/x-troff', '.tar' : 'application/x-tar', '.tcl' : 'application/x-tcl', '.tex' : 'application/x-tex', '.texi' : 'application/x-texinfo', '.texinfo': 'application/x-texinfo', '.tif' : 'image/tiff', '.tiff' : 'image