{
  "mid":           "audio/midi",
  "midi":          "audio/midi",
  "kar":           "audio/midi",
  "aac":           "audio/mp4",
  "f4a":           "audio/mp4",
  "f4b":           "audio/mp4",
  "m4a":           "audio/mp4",
  "mp3":           "audio/mpeg",
  "oga":           "audio/ogg",
  "ogg":           "audio/ogg",
  "ra":            "audio/x-realaudio",
  "wav":           "audio/x-wav",
  "bmp":           "image/bmp",
  "gif":           "image/gif",
  "jpeg":          "image/jpeg",
  "jpg":           "image/jpeg",
  "png":           "image/png",
  "tif":           "image/tiff",
  "tiff":          "image/tiff",
  "wbmp":          "image/vnd.wap.wbmp",
  "webp":          "image/webp",
  "ico":           "image/x-icon",
  "cur":           "image/x-icon",
  "jng":           "image/x-jng",
  "js":            "application/javascript",
  "json":          "application/javascript",
  "webapp":        "application/x-web-app-manifest+json",
  "manifest":      "text/cache-manifest",
  "appcache":      "text/cache-manifest",
  "doc":           "application/msword",
  "xls":           "application/vnd.ms-excel",
  "ppt":           "application/vnd.ms-powerpoint",
  "docx":          "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
  "xlsx":          "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
  "pptx":          "application/vnd.openxmlformats-officedocument.presentationml.presentation",
  "3gpp":          "video/3gpp",
  "3gp":           "video/3gpp",
  "mp4":           "video/mp4",
  "m4v":           "video/mp4",
  "f4v":           "video/mp4",
  "f4p":           "video/mp4",
  "mpeg":          "video/mpeg",
  "mpg":           "video/mpeg",
  "ogv":           "video/ogg",
  "mov":           "video/quicktime",
  "webm":          "video/webm",
  "flv":           "video/x-flv",
  "mng":           "video/x-mng",
  "asx":           "video/x-ms-asf",
  "asf":           "video/x-ms-asf",
  "wmv":           "video/x-ms-wmv",
  "avi":           "video/x-msvideo",
  "atom":          "application/xml",
  "rdf":           "application/xml",
  "rss":           "application/xml",
  "xml":           "application/xml",
  "woff":          "application/font-woff",
  "woff2":         "application/font-woff2",
  "eot":           "application/vnd.ms-fontobject",
  "ttc":           "application/x-font-ttf",
  "ttf":           "application/x-font-ttf",
  "otf":           "font/opentype",
  "svg":           "image/svg+xml",
  "svgz":          "image/svg+xml",
  "jar":           "application/java-archive",
  "war":           "application/java-archive",
  "ear":           "application/java-archive",
  "hqx":           "application/mac-binhex40",
  "pdf":           "application/pdf",
  "ps":            "application/postscript",
  "eps":           "application/postscript",
  "ai":            "application/postscript",
  "rtf":           "application/rtf",
  "wmlc":          "application/vnd.wap.wmlc",
  "xhtml":         "application/xhtml+xml",
  "kml":           "application/vnd.google-earth.kml+xml",
  "kmz":           "application/vnd.google-earth.kmz",
  "7z":            "application/x-7z-compressed",
  "crx":           "application/x-chrome-extension",
  "oex":           "application/x-opera-extension",
  "xpi":           "application/x-xpinstall",
  "cco":           "application/x-cocoa",
  "jardiff":       "application/x-java-archive-diff",
  "jnlp":          "application/x-java-jnlp-file",
  "run":           "application/x-makeself",
  "pl":            "application/x-perl",
  "pm":            "application/x-perl",
  "prc":           "application/x-pilot",
  "pdb":           "application/x-pilot",
  "rar":           "application/x-rar-compressed",
  "rpm":           "application/x-redhat-package-manager",
  "sea":           "application/x-sea",
  "swf":           "application/x-shockwave-flash",
  "sit":           "application/x-stuffit",
  "tcl":           "application/x-tcl",
  "tk":            "application/x-tcl",
  "der":           "application/x-x509-ca-cert",
  "pem":           "application/x-x509-ca-cert",
  "crt":           "application/x-x509-ca-cert",
  "torrent":       "application/x-bittorrent",
  "zip":           "application/zip",
  "bin":           "application/octet-stream",
  "exe":           "application/octet-stream",
  "dll":           "application/octet-stream",
  "deb":           "application/octet-stream",
  "dmg":           "application/octet-stream",
  "iso":           "application/octet-stream",
  "img":           "application/octet-stream",
  "msi":           "application/octet-stream",
  "msp":           "application/octet-stream",
  "msm":           "application/octet-stream",
  "safariextz":    "application/octet-stream",
  "css":           "text/css",
  "scss":          "text/css",
  "less":          "text/css",
  "html":          "text/html",
  "htm":           "text/html",
  "shtml":         "text/html",
  "mml":           "text/mathml",
  "txt":           "text/plain",
  "map":           "text/plain",
  "jad":           "text/vnd.sun.j2me.app-descriptor",
  "wml":           "text/vnd.wap.wml",
  "vtt":           "text/vtt",
  "htc":           "text/x-component",
  "vcf":           "text/x-vcard"
}