vendor/github.com/aliyun/aliyun-oss-go-sdk/oss/mime.go

   1 package oss
   2
   3 import (
   4         "mime"
   5         "path"
   6         "strings"
   7 )
   8
   9 var extToMimeType = map[string]string{
  10         ".xlsx":          "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
  11         ".xltx":          "application/vnd.openxmlformats-officedocument.spreadsheetml.template",
  12         ".potx":          "application/vnd.openxmlformats-officedocument.presentationml.template",
  13         ".ppsx":          "application/vnd.openxmlformats-officedocument.presentationml.slideshow",
  14         ".pptx":          "application/vnd.openxmlformats-officedocument.presentationml.presentation",
  15         ".sldx":          "application/vnd.openxmlformats-officedocument.presentationml.slide",
  16         ".docx":          "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
  17         ".dotx":          "application/vnd.openxmlformats-officedocument.wordprocessingml.template",
  18         ".xlam":          "application/vnd.ms-excel.addin.macroEnabled.12",
  19         ".xlsb":          "application/vnd.ms-excel.sheet.binary.macroEnabled.12",
  20         ".apk":           "application/vnd.android.package-archive",
  21         ".hqx":           "application/mac-binhex40",
  22         ".cpt":           "application/mac-compactpro",
  23         ".doc":           "application/msword",
  24         ".ogg":           "application/ogg",
  25         ".pdf":           "application/pdf",
  26         ".rtf":           "text/rtf",
  27         ".mif":           "application/vnd.mif",
  28         ".xls":           "application/vnd.ms-excel",
  29         ".ppt":           "application/vnd.ms-powerpoint",
  30         ".odc":           "application/vnd.oasis.opendocument.chart",
  31         ".odb":           "application/vnd.oasis.opendocument.database",
  32         ".odf":           "application/vnd.oasis.opendocument.formula",
  33         ".odg":           "application/vnd.oasis.opendocument.graphics",
  34         ".otg":           "application/vnd.oasis.opendocument.graphics-template",
  35         ".odi":           "application/vnd.oasis.opendocument.image",
  36         ".odp":           "application/vnd.oasis.opendocument.presentation",
  37         ".otp":           "application/vnd.oasis.opendocument.presentation-template",
  38         ".ods":           "application/vnd.oasis.opendocument.spreadsheet",
  39         ".ots":           "application/vnd.oasis.opendocument.spreadsheet-template",
  40         ".odt":           "application/vnd.oasis.opendocument.text",
  41         ".odm":           "application/vnd.oasis.opendocument.text-master",
  42         ".ott":           "application/vnd.oasis.opendocument.text-template",
  43         ".oth":           "application/vnd.oasis.opendocument.text-web",
  44         ".sxw":           "application/vnd.sun.xml.writer",
  45         ".stw":           "application/vnd.sun.xml.writer.template",
  46         ".sxc":           "application/vnd.sun.xml.calc",
  47         ".stc":           "application/vnd.sun.xml.calc.template",
  48         ".sxd":           "application/vnd.sun.xml.draw",
  49         ".std":           "application/vnd.sun.xml.draw.template",
  50         ".sxi":           "application/vnd.sun.xml.impress",
  51         ".sti":           "application/vnd.sun.xml.impress.template",
  52         ".sxg":           "application/vnd.sun.xml.writer.global",
  53         ".sxm":           "application/vnd.sun.xml.math",
  54         ".sis":           "application/vnd.symbian.install",
  55         ".wbxml":         "application/vnd.wap.wbxml",
  56         ".wmlc":          "application/vnd.wap.wmlc",
  57         ".wmlsc":         "application/vnd.wap.wmlscriptc",
  58         ".bcpio":         "application/x-bcpio",
  59         ".torrent":       "application/x-bittorrent",
  60         ".bz2":           "application/x-bzip2",
  61         ".vcd":           "application/x-cdlink",
  62         ".pgn":           "application/x-chess-pgn",
  63         ".cpio":          "application/x-cpio",
  64         ".csh":           "application/x-csh",
  65         ".dvi":           "application/x-dvi",
  66         ".spl":           "application/x-futuresplash",
  67         ".gtar":          "application/x-gtar",
  68         ".hdf":           "application/x-hdf",
  69         ".jar":           "application/x-java-archive",
  70         ".jnlp":          "application/x-java-jnlp-file",
  71         ".js":            "application/x-javascript",
  72         ".ksp":           "application/x-kspread",
  73         ".chrt":          "application/x-kchart",
  74         ".kil":           "application/x-killustrator",
  75         ".latex":         "application/x-latex",
  76         ".rpm":           "application/x-rpm",
  77         ".sh":            "application/x-sh",
  78         ".shar":          "application/x-shar",
  79         ".swf":           "application/x-shockwave-flash",
  80         ".sit":           "application/x-stuffit",
  81         ".sv4cpio":       "application/x-sv4cpio",
  82         ".sv4crc":        "application/x-sv4crc",
  83         ".tar":           "application/x-tar",
  84         ".tcl":           "application/x-tcl",
  85         ".tex":           "application/x-tex",
  86         ".man":           "application/x-troff-man",
  87         ".me":            "application/x-troff-me",
  88         ".ms":            "application/x-troff-ms",
  89         ".ustar":         "application/x-ustar",
  90         ".src":           "application/x-wais-source",
  91         ".zip":           "application/zip",
  92         ".m3u":           "audio/x-mpegurl",
  93         ".ra":            "audio/x-pn-realaudio",
  94         ".wav":           "audio/x-wav",
  95         ".wma":           "audio/x-ms-wma",
  96         ".wax":           "audio/x-ms-wax",
  97         ".pdb":           "chemical/x-pdb",
  98         ".xyz":           "chemical/x-xyz",
  99         ".bmp":           "image/bmp",
 100         ".gif":           "image/gif",
 101         ".ief":           "image/ief",
 102         ".png":           "image/png",
 103         ".wbmp":          "image/vnd.wap.wbmp",
 104         ".ras":           "image/x-cmu-raster",
 105         ".pnm":           "image/x-portable-anymap",
 106         ".pbm":           "image/x-portable-bitmap",
 107         ".pgm":           "image/x-portable-graymap",
 108         ".ppm":           "image/x-portable-pixmap",
 109         ".rgb":           "image/x-rgb",
 110         ".xbm":           "image/x-xbitmap",
 111         ".xpm":           "image/x-xpixmap",
 112         ".xwd":           "image/x-xwindowdump",
 113         ".css":           "text/css",
 114         ".rtx":           "text/richtext",
 115         ".tsv":           "text/tab-separated-values",
 116         ".jad":           "text/vnd.sun.j2me.app-descriptor",
 117         ".wml":           "text/vnd.wap.wml",
 118         ".wmls":          "text/vnd.wap.wmlscript",
 119         ".etx":           "text/x-setext",
 120         ".mxu":           "video/vnd.mpegurl",
 121         ".flv":           "video/x-flv",
 122         ".wm":            "video/x-ms-wm",
 123         ".wmv":           "video/x-ms-wmv",
 124         ".wmx":           "video/x-ms-wmx",
 125         ".wvx":           "video/x-ms-wvx",
 126         ".avi":           "video/x-msvideo",
 127         ".movie":         "video/x-sgi-movie",
 128         ".ice":           "x-conference/x-cooltalk",
 129         ".3gp":           "video/3gpp",
 130         ".ai":            "application/postscript",
 131         ".aif":           "audio/x-aiff",
 132         ".aifc":          "audio/x-aiff",
 133         ".aiff":          "audio/x-aiff",
 134         ".asc":           "text/plain",
 135         ".atom":          "application/atom+xml",
 136         ".au":            "audio/basic",
 137         ".bin":           "application/octet-stream",
 138         ".cdf":           "application/x-netcdf",
 139         ".cgm":           "image/cgm",
 140         ".class":         "application/octet-stream",
 141         ".dcr":           "application/x-director",
 142         ".dif":           "video/x-dv",
 143         ".dir":           "application/x-director",
 144         ".djv":           "image/vnd.djvu",
 145         ".djvu":          "image/vnd.djvu",
 146         ".dll":           "application/octet-stream",
 147         ".dmg":           "application/octet-stream",
 148         ".dms":           "application/octet-stream",
 149         ".dtd":           "application/xml-dtd",
 150         ".dv":            "video/x-dv",
 151         ".dxr":           "application/x-director",
 152         ".eps":           "application/postscript",
 153         ".exe":           "application/octet-stream",
 154         ".ez":            "application/andrew-inset",
 155         ".gram":          "application/srgs",
 156         ".grxml":         "application/srgs+xml",
 157         ".gz":            "application/x-gzip",
 158         ".htm":           "text/html",
 159         ".html":          "text/html",
 160         ".ico":           "image/x-icon",
 161         ".ics":           "text/calendar",
 162         ".ifb":           "text/calendar",
 163         ".iges":          "model/iges",
 164         ".igs":           "model/iges",
 165         ".jp2":           "image/jp2",
 166         ".jpe":           "image/jpeg",
 167         ".jpeg":          "image/jpeg",
 168         ".jpg":           "image/jpeg",
 169         ".kar":           "audio/midi",
 170         ".lha":           "application/octet-stream",
 171         ".lzh":           "application/octet-stream",
 172         ".m4a":           "audio/mp4a-latm",
 173         ".m4p":           "audio/mp4a-latm",
 174         ".m4u":           "video/vnd.mpegurl",
 175         ".m4v":           "video/x-m4v",
 176         ".mac":           "image/x-macpaint",
 177         ".mathml":        "application/mathml+xml",
 178         ".mesh":          "model/mesh",
 179         ".mid":           "audio/midi",
 180         ".midi":          "audio/midi",
 181         ".mov":           "video/quicktime",
 182         ".mp2":           "audio/mpeg",
 183         ".mp3":           "audio/mpeg",
 184         ".mp4":           "video/mp4",
 185         ".mpe":           "video/mpeg",
 186         ".mpeg":          "video/mpeg",
 187         ".mpg":           "video/mpeg",
 188         ".mpga":          "audio/mpeg",
 189         ".msh":           "model/mesh",
 190         ".nc":            "application/x-netcdf",
 191         ".oda":           "application/oda",
 192         ".ogv":           "video/ogv",
 193         ".pct":           "image/pict",
 194         ".pic":           "image/pict",
 195         ".pict":          "image/pict",
 196         ".pnt":           "image/x-macpaint",
 197         ".pntg":          "image/x-macpaint",
 198         ".ps":            "application/postscript",
 199         ".qt":            "video/quicktime",
 200         ".qti":           "image/x-quicktime",
 201         ".qtif":          "image/x-quicktime",
 202         ".ram":           "audio/x-pn-realaudio",
 203         ".rdf":           "application/rdf+xml",
 204         ".rm":            "application/vnd.rn-realmedia",
 205         ".roff":          "application/x-troff",
 206         ".sgm":           "text/sgml",
 207         ".sgml":          "text/sgml",
 208         ".silo":          "model/mesh",
 209         ".skd":           "application/x-koan",
 210         ".skm":           "application/x-koan",
 211         ".skp":           "application/x-koan",
 212         ".skt":           "application/x-koan",
 213         ".smi":           "application/smil",
 214         ".smil":          "application/smil",
 215         ".snd":           "audio/basic",
 216         ".so":            "application/octet-stream",
 217         ".svg":           "image/svg+xml",
 218         ".t":             "application/x-troff",
 219         ".texi":          "application/x-texinfo",
 220         ".texinfo":       "application/x-texinfo",
 221         ".tif":           "image/tiff",
 222         ".tiff":          "image/tiff",
 223         ".tr":            "application/x-troff",
 224         ".txt":           "text/plain",
 225         ".vrml":          "model/vrml",
 226         ".vxml":          "application/voicexml+xml",
 227         ".webm":          "video/webm",
 228         ".wrl":           "model/vrml",
 229         ".xht":           "application/xhtml+xml",
 230         ".xhtml":         "application/xhtml+xml",
 231         ".xml":           "application/xml",
 232         ".xsl":           "application/xml",
 233         ".xslt":          "application/xslt+xml",
 234         ".xul":           "application/vnd.mozilla.xul+xml",
 235         ".webp":          "image/webp",
 236         ".323":           "text/h323",
 237         ".aab":           "application/x-authoware-bin",
 238         ".aam":           "application/x-authoware-map",
 239         ".aas":           "application/x-authoware-seg",
 240         ".acx":           "application/internet-property-stream",
 241         ".als":           "audio/X-Alpha5",
 242         ".amc":           "application/x-mpeg",
 243         ".ani":           "application/octet-stream",
 244         ".asd":           "application/astound",
 245         ".asf":           "video/x-ms-asf",
 246         ".asn":           "application/astound",
 247         ".asp":           "application/x-asap",
 248         ".asr":           "video/x-ms-asf",
 249         ".asx":           "video/x-ms-asf",
 250         ".avb":           "application/octet-stream",
 251         ".awb":           "audio/amr-wb",
 252         ".axs":           "application/olescript",
 253         ".bas":           "text/plain",
 254         ".bin ":          "application/octet-stream",
 255         ".bld":           "application/bld",
 256         ".bld2":          "application/bld2",
 257         ".bpk":           "application/octet-stream",
 258         ".c":             "text/plain",
 259         ".cal":           "image/x-cals",
 260         ".cat":           "application/vnd.ms-pkiseccat",
 261         ".ccn":           "application/x-cnc",
 262         ".cco":           "application/x-cocoa",
 263         ".cer":           "application/x-x509-ca-cert",
 264         ".cgi":           "magnus-internal/cgi",
 265         ".chat":          "application/x-chat",
 266         ".clp":           "application/x-msclip",
 267         ".cmx":           "image/x-cmx",
 268         ".co":            "application/x-cult3d-object",
 269         ".cod":           "image/cis-cod",
 270         ".conf":          "text/plain",
 271         ".cpp":           "text/plain",
 272         ".crd":           "application/x-mscardfile",
 273         ".crl":           "application/pkix-crl",
 274         ".crt":           "application/x-x509-ca-cert",
 275         ".csm":           "chemical/x-csml",
 276         ".csml":          "chemical/x-csml",
 277         ".cur":           "application/octet-stream",
 278         ".dcm":           "x-lml/x-evm",
 279         ".dcx":           "image/x-dcx",
 280         ".der":           "application/x-x509-ca-cert",
 281         ".dhtml":         "text/html",
 282         ".dot":           "application/msword",
 283         ".dwf":           "drawing/x-dwf",
 284         ".dwg":           "application/x-autocad",
 285         ".dxf":           "application/x-autocad",
 286         ".ebk":           "application/x-expandedbook",
 287         ".emb":           "chemical/x-embl-dl-nucleotide",
 288         ".embl":          "chemical/x-embl-dl-nucleotide",
 289         ".epub":          "application/epub+zip",
 290         ".eri":           "image/x-eri",
 291         ".es":            "audio/echospeech",
 292         ".esl":           "audio/echospeech",
 293         ".etc":           "application/x-earthtime",
 294         ".evm":           "x-lml/x-evm",
 295         ".evy":           "application/envoy",
 296         ".fh4":           "image/x-freehand",
 297         ".fh5":           "image/x-freehand",
 298         ".fhc":           "image/x-freehand",
 299         ".fif":           "application/fractals",
 300         ".flr":           "x-world/x-vrml",
 301         ".fm":            "application/x-maker",
 302         ".fpx":           "image/x-fpx",
 303         ".fvi":           "video/isivideo",
 304         ".gau":           "chemical/x-gaussian-input",
 305         ".gca":           "application/x-gca-compressed",
 306         ".gdb":           "x-lml/x-gdb",
 307         ".gps":           "application/x-gps",
 308         ".h":             "text/plain",
 309         ".hdm":           "text/x-hdml",
 310         ".hdml":          "text/x-hdml",
 311         ".hlp":           "application/winhlp",
 312         ".hta":           "application/hta",
 313         ".htc":           "text/x-component",
 314         ".hts":           "text/html",
 315         ".htt":           "text/webviewhtml",
 316         ".ifm":           "image/gif",
 317         ".ifs":           "image/ifs",
 318         ".iii":           "application/x-iphone",
 319         ".imy":           "audio/melody",
 320         ".ins":           "application/x-internet-signup",
 321         ".ips":           "application/x-ipscript",
 322         ".ipx":           "application/x-ipix",
 323         ".isp":           "application/x-internet-signup",
 324         ".it":            "audio/x-mod",
 325         ".itz":           "audio/x-mod",
 326         ".ivr":           "i-world/i-vrml",
 327         ".j2k":           "image/j2k",
 328         ".jam":           "application/x-jam",
 329         ".java":          "text/plain",
 330         ".jfif":          "image/pipeg",
 331         ".jpz":           "image/jpeg",
 332         ".jwc":           "application/jwc",
 333         ".kjx":           "application/x-kjx",
 334         ".lak":           "x-lml/x-lak",
 335         ".lcc":           "application/fastman",
 336         ".lcl":           "application/x-digitalloca",
 337         ".lcr":           "application/x-digitalloca",
 338         ".lgh":           "application/lgh",
 339         ".lml":           "x-lml/x-lml",
 340         ".lmlpack":       "x-lml/x-lmlpack",
 341         ".log":           "text/plain",
 342         ".lsf":           "video/x-la-asf",
 343         ".lsx":           "video/x-la-asf",
 344         ".m13":           "application/x-msmediaview",
 345         ".m14":           "application/x-msmediaview",
 346         ".m15":           "audio/x-mod",
 347         ".m3url":         "audio/x-mpegurl",
 348         ".m4b":           "audio/mp4a-latm",
 349         ".ma1":           "audio/ma1",
 350         ".ma2":           "audio/ma2",
 351         ".ma3":           "audio/ma3",
 352         ".ma5":           "audio/ma5",
 353         ".map":           "magnus-internal/imagemap",
 354         ".mbd":           "application/mbedlet",
 355         ".mct":           "application/x-mascot",
 356         ".mdb":           "application/x-msaccess",
 357         ".mdz":           "audio/x-mod",
 358         ".mel":           "text/x-vmel",
 359         ".mht":           "message/rfc822",
 360         ".mhtml":         "message/rfc822",
 361         ".mi":            "application/x-mif",
 362         ".mil":           "image/x-cals",
 363         ".mio":           "audio/x-mio",
 364         ".mmf":           "application/x-skt-lbs",
 365         ".mng":           "video/x-mng",
 366         ".mny":           "application/x-msmoney",
 367         ".moc":           "application/x-mocha",
 368         ".mocha":         "application/x-mocha",
 369         ".mod":           "audio/x-mod",
 370         ".mof":           "application/x-yumekara",
 371         ".mol":           "chemical/x-mdl-molfile",
 372         ".mop":           "chemical/x-mopac-input",
 373         ".mpa":           "video/mpeg",
 374         ".mpc":           "application/vnd.mpohun.certificate",
 375         ".mpg4":          "video/mp4",
 376         ".mpn":           "application/vnd.mophun.application",
 377         ".mpp":           "application/vnd.ms-project",
 378         ".mps":           "application/x-mapserver",
 379         ".mpv2":          "video/mpeg",
 380         ".mrl":           "text/x-mrml",
 381         ".mrm":           "application/x-mrm",
 382         ".msg":           "application/vnd.ms-outlook",
 383         ".mts":           "application/metastream",
 384         ".mtx":           "application/metastream",
 385         ".mtz":           "application/metastream",
 386         ".mvb":           "application/x-msmediaview",
 387         ".mzv":           "application/metastream",
 388         ".nar":           "application/zip",
 389         ".nbmp":          "image/nbmp",
 390         ".ndb":           "x-lml/x-ndb",
 391         ".ndwn":          "application/ndwn",
 392         ".nif":           "application/x-nif",
 393         ".nmz":           "application/x-scream",
 394         ".nokia-op-logo": "image/vnd.nok-oplogo-color",
 395         ".npx":           "application/x-netfpx",
 396         ".nsnd":          "audio/nsnd",
 397         ".nva":           "application/x-neva1",
 398         ".nws":           "message/rfc822",
 399         ".oom":           "application/x-AtlasMate-Plugin",
 400         ".p10":           "application/pkcs10",
 401         ".p12":           "application/x-pkcs12",
 402         ".p7b":           "application/x-pkcs7-certificates",
 403         ".p7c":           "application/x-pkcs7-mime",
 404         ".p7m":           "application/x-pkcs7-mime",
 405         ".p7r":           "application/x-pkcs7-certreqresp",
 406         ".p7s":           "application/x-pkcs7-signature",
 407         ".pac":           "audio/x-pac",
 408         ".pae":           "audio/x-epac",
 409         ".pan":           "application/x-pan",
 410         ".pcx":           "image/x-pcx",
 411         ".pda":           "image/x-pda",
 412         ".pfr":           "application/font-tdpfr",
 413         ".pfx":           "application/x-pkcs12",
 414         ".pko":           "application/ynd.ms-pkipko",
 415         ".pm":            "application/x-perl",
 416         ".pma":           "application/x-perfmon",
 417         ".pmc":           "application/x-perfmon",
 418         ".pmd":           "application/x-pmd",
 419         ".pml":           "application/x-perfmon",
 420         ".pmr":           "application/x-perfmon",
 421         ".pmw":           "application/x-perfmon",
 422         ".pnz":           "image/png",
 423         ".pot,":          "application/vnd.ms-powerpoint",
 424         ".pps":           "application/vnd.ms-powerpoint",
 425         ".pqf":           "application/x-cprplayer",
 426         ".pqi":           "application/cprplayer",
 427         ".prc":           "application/x-prc",
 428         ".prf":           "application/pics-rules",
 429         ".prop":          "text/plain",
 430         ".proxy":         "application/x-ns-proxy-autoconfig",
 431         ".ptlk":          "application/listenup",
 432         ".pub":           "application/x-mspublisher",
 433         ".pvx":           "video/x-pv-pvx",
 434         ".qcp":           "audio/vnd.qcelp",
 435         ".r3t":           "text/vnd.rn-realtext3d",
 436         ".rar":           "application/octet-stream",
 437         ".rc":            "text/plain",
 438         ".rf":            "image/vnd.rn-realflash",
 439         ".rlf":           "application/x-richlink",
 440         ".rmf":           "audio/x-rmf",
 441         ".rmi":           "audio/mid",
 442         ".rmm":           "audio/x-pn-realaudio",
 443         ".rmvb":          "audio/x-pn-realaudio",
 444         ".rnx":           "application/vnd.rn-realplayer",
 445         ".rp":            "image/vnd.rn-realpix",
 446         ".rt":            "text/vnd.rn-realtext",
 447         ".rte":           "x-lml/x-gps",
 448         ".rtg":           "application/metastream",
 449         ".rv":            "video/vnd.rn-realvideo",
 450         ".rwc":           "application/x-rogerwilco",
 451         ".s3m":           "audio/x-mod",
 452         ".s3z":           "audio/x-mod",
 453         ".sca":           "application/x-supercard",
 454         ".scd":           "application/x-msschedule",
 455         ".sct":           "text/scriptlet",
 456         ".sdf":           "application/e-score",
 457         ".sea":           "application/x-stuffit",
 458         ".setpay":        "application/set-payment-initiation",
 459         ".setreg":        "application/set-registration-initiation",
 460         ".shtml":         "text/html",
 461         ".shtm":          "text/html",
 462         ".shw":           "application/presentations",
 463         ".si6":           "image/si6",
 464         ".si7":           "image/vnd.stiwap.sis",
 465         ".si9":           "image/vnd.lgtwap.sis",
 466         ".slc":           "application/x-salsa",
 467         ".smd":           "audio/x-smd",
 468         ".smp":           "application/studiom",
 469         ".smz":           "audio/x-smd",
 470         ".spc":           "application/x-pkcs7-certificates",
 471         ".spr":           "application/x-sprite",
 472         ".sprite":        "application/x-sprite",
 473         ".sdp":           "application/sdp",
 474         ".spt":           "application/x-spt",
 475         ".sst":           "application/vnd.ms-pkicertstore",
 476         ".stk":           "application/hyperstudio",
 477         ".stl":           "application/vnd.ms-pkistl",
 478         ".stm":           "text/html",
 479         ".svf":           "image/vnd",
 480         ".svh":           "image/svh",
 481         ".svr":           "x-world/x-svr",
 482         ".swfl":          "application/x-shockwave-flash",
 483         ".tad":           "application/octet-stream",
 484         ".talk":          "text/x-speech",
 485         ".taz":           "application/x-tar",
 486         ".tbp":           "application/x-timbuktu",
 487         ".tbt":           "application/x-timbuktu",
 488         ".tgz":           "application/x-compressed",
 489         ".thm":           "application/vnd.eri.thm",
 490         ".tki":           "application/x-tkined",
 491         ".tkined":        "application/x-tkined",
 492         ".toc":           "application/toc",
 493         ".toy":           "image/toy",
 494         ".trk":           "x-lml/x-gps",
 495         ".trm":           "application/x-msterminal",
 496         ".tsi":           "audio/tsplayer",
 497         ".tsp":           "application/dsptype",
 498         ".ttf":           "application/octet-stream",
 499         ".ttz":           "application/t-time",
 500         ".uls":           "text/iuls",
 501         ".ult":           "audio/x-mod",
 502         ".uu":            "application/x-uuencode",
 503         ".uue":           "application/x-uuencode",
 504         ".vcf":           "text/x-vcard",
 505         ".vdo":           "video/vdo",
 506         ".vib":           "audio/vib",
 507         ".viv":           "video/vivo",
 508         ".vivo":          "video/vivo",
 509         ".vmd":           "application/vocaltec-media-desc",
 510         ".vmf":           "application/vocaltec-media-file",
 511         ".vmi":           "application/x-dreamcast-vms-info",
 512         ".vms":           "application/x-dreamcast-vms",
 513         ".vox":           "audio/voxware",
 514         ".vqe":           "audio/x-twinvq-plugin",
 515         ".vqf":           "audio/x-twinvq",
 516         ".vql":           "audio/x-twinvq",
 517         ".vre":           "x-world/x-vream",
 518         ".vrt":           "x-world/x-vrt",
 519         ".vrw":           "x-world/x-vream",
 520         ".vts":           "workbook/formulaone",
 521         ".wcm":           "application/vnd.ms-works",
 522         ".wdb":           "application/vnd.ms-works",
 523         ".web":           "application/vnd.xara",
 524         ".wi":            "image/wavelet",
 525         ".wis":           "application/x-InstallShield",
 526         ".wks":           "application/vnd.ms-works",
 527         ".wmd":           "application/x-ms-wmd",
 528         ".wmf":           "application/x-msmetafile",
 529         ".wmlscript":     "text/vnd.wap.wmlscript",
 530         ".wmz":           "application/x-ms-wmz",
 531         ".wpng":          "image/x-up-wpng",
 532         ".wps":           "application/vnd.ms-works",
 533         ".wpt":           "x-lml/x-gps",
 534         ".wri":           "application/x-mswrite",
 535         ".wrz":           "x-world/x-vrml",
 536         ".ws":            "text/vnd.wap.wmlscript",
 537         ".wsc":           "application/vnd.wap.wmlscriptc",
 538         ".wv":            "video/wavelet",
 539         ".wxl":           "application/x-wxl",
 540         ".x-gzip":        "application/x-gzip",
 541         ".xaf":           "x-world/x-vrml",
 542         ".xar":           "application/vnd.xara",
 543         ".xdm":           "application/x-xdma",
 544         ".xdma":          "application/x-xdma",
 545         ".xdw":           "application/vnd.fujixerox.docuworks",
 546         ".xhtm":          "application/xhtml+xml",
 547         ".xla":           "application/vnd.ms-excel",
 548         ".xlc":           "application/vnd.ms-excel",
 549         ".xll":           "application/x-excel",
 550         ".xlm":           "application/vnd.ms-excel",
 551         ".xlt":           "application/vnd.ms-excel",
 552         ".xlw":           "application/vnd.ms-excel",
 553         ".xm":            "audio/x-mod",
 554         ".xmz":           "audio/x-mod",
 555         ".xof":           "x-world/x-vrml",
 556         ".xpi":           "application/x-xpinstall",
 557         ".xsit":          "text/xml",
 558         ".yz1":           "application/x-yz1",
 559         ".z":             "application/x-compress",
 560         ".zac":           "application/x-zaurus-zac",
 561         ".json":          "application/json",
 562 }
 563
 564 // TypeByExtension returns the MIME type associated with the file extension ext.
 565 // gets the file's MIME type for HTTP header Content-Type
 566 func TypeByExtension(filePath string) string {
 567         typ := mime.TypeByExtension(path.Ext(filePath))
 568         if typ == "" {
 569                 typ = extToMimeType[strings.ToLower(path.Ext(filePath))]
 570         }
 571         return typ
 572 }