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// Copyright (c) 2016 The Rouille developers
// Licensed under the Apache License, Version 2.0
// <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT
// license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
// at your option. All files in the project carrying such
// notice may not be copied, modified, or distributed except
// according to those terms.
use std::fs;
use std::path::Path;
use filetime;
use time;
use Request;
use Response;
/// Searches inside `path` for a file that matches the given request. If a file is found,
/// returns a `Response` that would serve this file if returned. If no file is found, a 404
/// response is returned instead.
///
/// The value of the `Content-Type` header of the response is guessed based on the file's
/// extension. If you wish so, you can modify that `Content-Type` by modifying the `Response`
/// object returned by this function.
///
/// # Example
///
/// In this example, a request made for example to `/test.txt` will return the file
/// `public/test.txt` (relative to the current working directory, which is usually the location
/// of the `Cargo.toml`) if it exists.
///
/// ```no_run
/// rouille::start_server("localhost:8000", move |request| {
/// let response = rouille::match_assets(&request, "public");
/// if response.is_success() {
/// return response;
/// }
///
/// // ...
/// # panic!()
/// });
/// ```
///
/// # Security
///
/// Everything inside the directory that you pass as `path` is potentially accessible by any
/// client. **Do not use assume that client won't be able to guess the URL of a sensitive file**.
/// All sensitive files should require a login/password to be accessed.
///
/// If you want to serve sensitive files, you are encouraged to put them in a different directory
/// than public files, and call `match_assets` once for public files and once for private files
/// after you checked the user's credentials.
/// Only call `match_assets` **after** you know that the user can have access to all the files
/// that can be served.
///
/// If you manage the user's accesses per-file, use a white list of authorized files instead of a
/// black list of forbidden files. Files can potentially be accessed from multiple different URLs
/// and a black list may not cover everything.
///
/// # Example with prefix
///
/// Sometimes you want to add a prefix to the URL of your static files. To do that, you can use
/// the `remove_prefix` method on `Request`.
///
/// ```no_run
/// rouille::start_server("localhost:8000", move |request| {
/// if let Some(request) = request.remove_prefix("/static") {
/// return rouille::match_assets(&request, "public");
/// }
///
/// // ...
/// # panic!()
/// });
/// ```
///
/// In this example, a request made to `/static/test.txt` will return the file
/// `public/test.txt` if it exists.
///
pub fn match_assets<P: ?Sized>(request: &Request, path: &P) -> Response
where P: AsRef<Path>
{
let path = path.as_ref();
let path = match path.canonicalize() {
Ok(p) => p,
Err(_) => return Response::empty_404(),
};
// The potential location of the file on the disk.
let potential_file = {
let mut path = path.to_path_buf();
for component in request.url().split('/') {
path.push(component);
}
path
};
// We try to canonicalize the file. If this fails, then the file doesn't exist.
let potential_file = match potential_file.canonicalize() {
Ok(f) => f,
Err(_) => return Response::empty_404(),
};
// Check that we're still within `path`. This should eliminate security issues with
// requests like `GET /../private_file`.
if !potential_file.starts_with(path) {
return Response::empty_404();
}
// Check that it's a file and not a directory.
match fs::metadata(&potential_file) {
Ok(ref m) if m.is_file() => (),
_ => return Response::empty_404(),
};
let extension = potential_file.extension().and_then(|s| s.to_str());
let file = match fs::File::open(&potential_file) {
Ok(f) => f,
Err(_) => return Response::empty_404(),
};
let etag: String = (fs::metadata(&potential_file)
.map(|meta| filetime::FileTime::from_last_modification_time(&meta).unix_seconds() as u64)
.unwrap_or(time::now().tm_nsec as u64)
^ 0xd3f4_0305_c9f8_e911_u64).to_string();
Response::from_file(extension_to_mime_impl(extension), file)
.with_etag(request, etag)
.with_public_cache(3600) // TODO: is this a good idea? what if the file is private?
}
/// Returns the mime type of a file based on its extension, or `application/octet-stream` if the
/// extension is unknown.
#[inline]
pub fn extension_to_mime(extension: &str) -> &'static str {
extension_to_mime_impl(Some(extension))
}
/// Returns the mime type of a file based on its extension.
fn extension_to_mime_impl(extension: Option<&str>) -> &'static str {
// List taken from https://github.com/cybergeek94/mime_guess/blob/master/src/mime_types.rs,
// itself taken from a dead link.
match extension {
Some("323") => "text/h323; charset=utf8",
Some("3g2") => "video/3gpp2",
Some("3gp") => "video/3gpp",
Some("3gp2") => "video/3gpp2",
Some("3gpp") => "video/3gpp",
Some("7z") => "application/x-7z-compressed",
Some("aa") => "audio/audible",
Some("aac") => "audio/aac",
Some("aaf") => "application/octet-stream",
Some("aax") => "audio/vnd.audible.aax",
Some("ac3") => "audio/ac3",
Some("aca") => "application/octet-stream",
Some("accda") => "application/msaccess.addin",
Some("accdb") => "application/msaccess",
Some("accdc") => "application/msaccess.cab",
Some("accde") => "application/msaccess",
Some("accdr") => "application/msaccess.runtime",
Some("accdt") => "application/msaccess",
Some("accdw") => "application/msaccess.webapplication",
Some("accft") => "application/msaccess.ftemplate",
Some("acx") => "application/internet-property-stream",
Some("addin") => "application/xml",
Some("ade") => "application/msaccess",
Some("adobebridge") => "application/x-bridge-url",
Some("adp") => "application/msaccess",
Some("adt") => "audio/vnd.dlna.adts",
Some("adts") => "audio/aac",
Some("afm") => "application/octet-stream",
Some("ai") => "application/postscript",
Some("aif") => "audio/x-aiff",
Some("aifc") => "audio/aiff",
Some("aiff") => "audio/aiff",
Some("air") => "application/vnd.adobe.air-application-installer-package+zip",
Some("amc") => "application/x-mpeg",
Some("application") => "application/x-ms-application",
Some("art") => "image/x-jg",
Some("asa") => "application/xml",
Some("asax") => "application/xml",
Some("ascx") => "application/xml",
Some("asd") => "application/octet-stream",
Some("asf") => "video/x-ms-asf",
Some("ashx") => "application/xml",
Some("asi") => "application/octet-stream",
Some("asm") => "text/plain; charset=utf8",
Some("asmx") => "application/xml",
Some("aspx") => "application/xml",
Some("asr") => "video/x-ms-asf",
Some("asx") => "video/x-ms-asf",
Some("atom") => "application/atom+xml",
Some("au") => "audio/basic",
Some("avi") => "video/x-msvideo",
Some("axs") => "application/olescript",
Some("bas") => "text/plain; charset=utf8",
Some("bcpio") => "application/x-bcpio",
Some("bin") => "application/octet-stream",
Some("bmp") => "image/bmp",
Some("c") => "text/plain; charset=utf8",
Some("cab") => "application/octet-stream",
Some("caf") => "audio/x-caf",
Some("calx") => "application/vnd.ms-office.calx",
Some("cat") => "application/vnd.ms-pki.seccat",
Some("cc") => "text/plain; charset=utf8",
Some("cd") => "text/plain; charset=utf8",
Some("cdda") => "audio/aiff",
Some("cdf") => "application/x-cdf",
Some("cer") => "application/x-x509-ca-cert",
Some("chm") => "application/octet-stream",
Some("class") => "application/x-java-applet",
Some("clp") => "application/x-msclip",
Some("cmx") => "image/x-cmx",
Some("cnf") => "text/plain; charset=utf8",
Some("cod") => "image/cis-cod",
Some("config") => "application/xml",
Some("contact") => "text/x-ms-contact; charset=utf8",
Some("coverage") => "application/xml",
Some("cpio") => "application/x-cpio",
Some("cpp") => "text/plain; charset=utf8",
Some("crd") => "application/x-mscardfile",
Some("crl") => "application/pkix-crl",
Some("crt") => "application/x-x509-ca-cert",
Some("cs") => "text/plain; charset=utf8",
Some("csdproj") => "text/plain; charset=utf8",
Some("csh") => "application/x-csh",
Some("csproj") => "text/plain; charset=utf8",
Some("css") => "text/css; charset=utf8",
Some("csv") => "text/csv; charset=utf8",
Some("cur") => "application/octet-stream",
Some("cxx") => "text/plain; charset=utf8",
Some("dat") => "application/octet-stream",
Some("datasource") => "application/xml",
Some("dbproj") => "text/plain; charset=utf8",
Some("dcr") => "application/x-director",
Some("def") => "text/plain; charset=utf8",
Some("deploy") => "application/octet-stream",
Some("der") => "application/x-x509-ca-cert",
Some("dgml") => "application/xml",
Some("dib") => "image/bmp",
Some("dif") => "video/x-dv",
Some("dir") => "application/x-director",
Some("disco") => "application/xml",
Some("dll") => "application/x-msdownload",
Some("dll.config") => "application/xml",
Some("dlm") => "text/dlm; charset=utf8",
Some("doc") => "application/msword",
Some("docm") => "application/vnd.ms-word.document.macroEnabled.12",
Some("docx") => "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
Some("dot") => "application/msword",
Some("dotm") => "application/vnd.ms-word.template.macroEnabled.12",
Some("dotx") => "application/vnd.openxmlformats-officedocument.wordprocessingml.template",
Some("dsp") => "application/octet-stream",
Some("dsw") => "text/plain; charset=utf8",
Some("dtd") => "application/xml",
Some("dtsConfig") => "application/xml",
Some("dv") => "video/x-dv",
Some("dvi") => "application/x-dvi",
Some("dwf") => "drawing/x-dwf",
Some("dwp") => "application/octet-stream",
Some("dxr") => "application/x-director",
Some("eml") => "message/rfc822",
Some("emz") => "application/octet-stream",
Some("eot") => "application/vnd.ms-fontobject",
Some("eps") => "application/postscript",
Some("etl") => "application/etl",
Some("etx") => "text/x-setext; charset=utf8",
Some("evy") => "application/envoy",
Some("exe") => "application/octet-stream",
Some("exe.config") => "application/xml",
Some("fdf") => "application/vnd.fdf",
Some("fif") => "application/fractals",
Some("filters") => "Application/xml",
Some("fla") => "application/octet-stream",
Some("flr") => "x-world/x-vrml",
Some("flv") => "video/x-flv",
Some("fsscript") => "application/fsharp-script",
Some("fsx") => "application/fsharp-script",
Some("generictest") => "application/xml",
Some("gif") => "image/gif",
Some("group") => "text/x-ms-group; charset=utf8",
Some("gsm") => "audio/x-gsm",
Some("gtar") => "application/x-gtar",
Some("gz") => "application/x-gzip",
Some("h") => "text/plain; charset=utf8",
Some("hdf") => "application/x-hdf",
Some("hdml") => "text/x-hdml; charset=utf8",
Some("hhc") => "application/x-oleobject",
Some("hhk") => "application/octet-stream",
Some("hhp") => "application/octet-stream",
Some("hlp") => "application/winhlp",
Some("hpp") => "text/plain; charset=utf8",
Some("hqx") => "application/mac-binhex40",
Some("hta") => "application/hta",
Some("htc") => "text/x-component; charset=utf8",
Some("htm") => "text/html; charset=utf8",
Some("html") => "text/html; charset=utf8",
Some("htt") => "text/webviewhtml; charset=utf8",
Some("hxa") => "application/xml",
Some("hxc") => "application/xml",
Some("hxd") => "application/octet-stream",
Some("hxe") => "application/xml",
Some("hxf") => "application/xml",
Some("hxh") => "application/octet-stream",
Some("hxi") => "application/octet-stream",
Some("hxk") => "application/xml",
Some("hxq") => "application/octet-stream",
Some("hxr") => "application/octet-stream",
Some("hxs") => "application/octet-stream",
Some("hxt") => "text/html; charset=utf8",
Some("hxv") => "application/xml",
Some("hxw") => "application/octet-stream",
Some("hxx") => "text/plain; charset=utf8",
Some("i") => "text/plain; charset=utf8",
Some("ico") => "image/x-icon",
Some("ics") => "application/octet-stream",
Some("idl") => "text/plain; charset=utf8",
Some("ief") => "image/ief",
Some("iii") => "application/x-iphone",
Some("inc") => "text/plain; charset=utf8",
Some("inf") => "application/octet-stream",
Some("inl") => "text/plain; charset=utf8",
Some("ins") => "application/x-internet-signup",
Some("ipa") => "application/x-itunes-ipa",
Some("ipg") => "application/x-itunes-ipg",
Some("ipproj") => "text/plain; charset=utf8",
Some("ipsw") => "application/x-itunes-ipsw",
Some("iqy") => "text/x-ms-iqy; charset=utf8",
Some("isp") => "application/x-internet-signup",
Some("ite") => "application/x-itunes-ite",
Some("itlp") => "application/x-itunes-itlp",
Some("itms") => "application/x-itunes-itms",
Some("itpc") => "application/x-itunes-itpc",
Some("ivf") => "video/x-ivf",
Some("jar") => "application/java-archive",
Some("java") => "application/octet-stream",
Some("jck") => "application/liquidmotion",
Some("jcz") => "application/liquidmotion",
Some("jfif") => "image/pjpeg",
Some("jnlp") => "application/x-java-jnlp-file",
Some("jpb") => "application/octet-stream",
Some("jpe") => "image/jpeg",
Some("jpeg") => "image/jpeg",
Some("jpg") => "image/jpeg",
Some("js") => "application/javascript",
Some("json") => "application/json",
Some("jsx") => "text/jscript; charset=utf8",
Some("jsxbin") => "text/plain; charset=utf8",
Some("latex") => "application/x-latex",
Some("library-ms") => "application/windows-library+xml",
Some("lit") => "application/x-ms-reader",
Some("loadtest") => "application/xml",
Some("lpk") => "application/octet-stream",
Some("lsf") => "video/x-la-asf",
Some("lst") => "text/plain; charset=utf8",
Some("lsx") => "video/x-la-asf",
Some("lzh") => "application/octet-stream",
Some("m13") => "application/x-msmediaview",
Some("m14") => "application/x-msmediaview",
Some("m1v") => "video/mpeg",
Some("m2t") => "video/vnd.dlna.mpeg-tts",
Some("m2ts") => "video/vnd.dlna.mpeg-tts",
Some("m2v") => "video/mpeg",
Some("m3u") => "audio/x-mpegurl",
Some("m3u8") => "audio/x-mpegurl",
Some("m4a") => "audio/m4a",
Some("m4b") => "audio/m4b",
Some("m4p") => "audio/m4p",
Some("m4r") => "audio/x-m4r",
Some("m4v") => "video/x-m4v",
Some("mac") => "image/x-macpaint",
Some("mak") => "text/plain; charset=utf8",
Some("man") => "application/x-troff-man",
Some("manifest") => "application/x-ms-manifest",
Some("map") => "text/plain; charset=utf8",
Some("master") => "application/xml",
Some("mda") => "application/msaccess",
Some("mdb") => "application/x-msaccess",
Some("mde") => "application/msaccess",
Some("mdp") => "application/octet-stream",
Some("me") => "application/x-troff-me",
Some("mfp") => "application/x-shockwave-flash",
Some("mht") => "message/rfc822",
Some("mhtml") => "message/rfc822",
Some("mid") => "audio/mid",
Some("midi") => "audio/mid",
Some("mix") => "application/octet-stream",
Some("mk") => "text/plain; charset=utf8",
Some("mmf") => "application/x-smaf",
Some("mno") => "application/xml",
Some("mny") => "application/x-msmoney",
Some("mod") => "video/mpeg",
Some("mov") => "video/quicktime",
Some("movie") => "video/x-sgi-movie",
Some("mp2") => "video/mpeg",
Some("mp2v") => "video/mpeg",
Some("mp3") => "audio/mpeg",
Some("mp4") => "video/mp4",
Some("mp4v") => "video/mp4",
Some("mpa") => "video/mpeg",
Some("mpe") => "video/mpeg",
Some("mpeg") => "video/mpeg",
Some("mpf") => "application/vnd.ms-mediapackage",
Some("mpg") => "video/mpeg",
Some("mpp") => "application/vnd.ms-project",
Some("mpv2") => "video/mpeg",
Some("mqv") => "video/quicktime",
Some("ms") => "application/x-troff-ms",
Some("msi") => "application/octet-stream",
Some("mso") => "application/octet-stream",
Some("mts") => "video/vnd.dlna.mpeg-tts",
Some("mtx") => "application/xml",
Some("mvb") => "application/x-msmediaview",
Some("mvc") => "application/x-miva-compiled",
Some("mxp") => "application/x-mmxp",
Some("nc") => "application/x-netcdf",
Some("nsc") => "video/x-ms-asf",
Some("nws") => "message/rfc822",
Some("ocx") => "application/octet-stream",
Some("oda") => "application/oda",
Some("odc") => "text/x-ms-odc; charset=utf8",
Some("odh") => "text/plain; charset=utf8",
Some("odl") => "text/plain; charset=utf8",
Some("odp") => "application/vnd.oasis.opendocument.presentation",
Some("ods") => "application/oleobject",
Some("odt") => "application/vnd.oasis.opendocument.text",
Some("ogg") => "application/ogg",
Some("one") => "application/onenote",
Some("onea") => "application/onenote",
Some("onepkg") => "application/onenote",
Some("onetmp") => "application/onenote",
Some("onetoc") => "application/onenote",
Some("onetoc2") => "application/onenote",
Some("orderedtest") => "application/xml",
Some("osdx") => "application/opensearchdescription+xml",
Some("otf") => "application/x-font-opentype",
Some("p10") => "application/pkcs10",
Some("p12") => "application/x-pkcs12",
Some("p7b") => "application/x-pkcs7-certificates",
Some("p7c") => "application/pkcs7-mime",
Some("p7m") => "application/pkcs7-mime",
Some("p7r") => "application/x-pkcs7-certreqresp",
Some("p7s") => "application/pkcs7-signature",
Some("pbm") => "image/x-portable-bitmap",
Some("pcast") => "application/x-podcast",
Some("pct") => "image/pict",
Some("pcx") => "application/octet-stream",
Some("pcz") => "application/octet-stream",
Some("pdf") => "application/pdf",
Some("pfb") => "application/octet-stream",
Some("pfm") => "application/octet-stream",
Some("pfx") => "application/x-pkcs12",
Some("pgm") => "image/x-portable-graymap",
Some("pic") => "image/pict",
Some("pict") => "image/pict",
Some("pkgdef") => "text/plain; charset=utf8",
Some("pkgundef") => "text/plain; charset=utf8",
Some("pko") => "application/vnd.ms-pki.pko",
Some("pls") => "audio/scpls",
Some("pma") => "application/x-perfmon",
Some("pmc") => "application/x-perfmon",
Some("pml") => "application/x-perfmon",
Some("pmr") => "application/x-perfmon",
Some("pmw") => "application/x-perfmon",
Some("png") => "image/png",
Some("pnm") => "image/x-portable-anymap",
Some("pnt") => "image/x-macpaint",
Some("pntg") => "image/x-macpaint",
Some("pnz") => "image/png",
Some("pot") => "application/vnd.ms-powerpoint",
Some("potm") => "application/vnd.ms-powerpoint.template.macroEnabled.12",
Some("potx") => "application/vnd.openxmlformats-officedocument.presentationml.template",
Some("ppa") => "application/vnd.ms-powerpoint",
Some("ppam") => "application/vnd.ms-powerpoint.addin.macroEnabled.12",
Some("ppm") => "image/x-portable-pixmap",
Some("pps") => "application/vnd.ms-powerpoint",
Some("ppsm") => "application/vnd.ms-powerpoint.slideshow.macroEnabled.12",
Some("ppsx") => "application/vnd.openxmlformats-officedocument.presentationml.slideshow",
Some("ppt") => "application/vnd.ms-powerpoint",
Some("pptm") => "application/vnd.ms-powerpoint.presentation.macroEnabled.12",
Some("pptx") => "application/vnd.openxmlformats-officedocument.presentationml.presentation",
Some("prf") => "application/pics-rules",
Some("prm") => "application/octet-stream",
Some("prx") => "application/octet-stream",
Some("ps") => "application/postscript",
Some("psc1") => "application/PowerShell",
Some("psd") => "application/octet-stream",
Some("psess") => "application/xml",
Some("psm") => "application/octet-stream",
Some("psp") => "application/octet-stream",
Some("pub") => "application/x-mspublisher",
Some("pwz") => "application/vnd.ms-powerpoint",
Some("qht") => "text/x-html-insertion; charset=utf8",
Some("qhtm") => "text/x-html-insertion; charset=utf8",
Some("qt") => "video/quicktime",
Some("qti") => "image/x-quicktime",
Some("qtif") => "image/x-quicktime",
Some("qtl") => "application/x-quicktimeplayer",
Some("qxd") => "application/octet-stream",
Some("ra") => "audio/x-pn-realaudio",
Some("ram") => "audio/x-pn-realaudio",
Some("rar") => "application/octet-stream",
Some("ras") => "image/x-cmu-raster",
Some("rat") => "application/rat-file",
Some("rc") => "text/plain; charset=utf8",
Some("rc2") => "text/plain; charset=utf8",
Some("rct") => "text/plain; charset=utf8",
Some("rdlc") => "application/xml",
Some("resx") => "application/xml",
Some("rf") => "image/vnd.rn-realflash",
Some("rgb") => "image/x-rgb",
Some("rgs") => "text/plain; charset=utf8",
Some("rm") => "application/vnd.rn-realmedia",
Some("rmi") => "audio/mid",
Some("rmp") => "application/vnd.rn-rn_music_package",
Some("roff") => "application/x-troff",
Some("rpm") => "audio/x-pn-realaudio-plugin",
Some("rqy") => "text/x-ms-rqy; charset=utf8",
Some("rtf") => "application/rtf",
Some("rtx") => "text/richtext; charset=utf8",
Some("ruleset") => "application/xml",
Some("s") => "text/plain; charset=utf8",
Some("safariextz") => "application/x-safari-safariextz",
Some("scd") => "application/x-msschedule",
Some("sct") => "text/scriptlet; charset=utf8",
Some("sd2") => "audio/x-sd2",
Some("sdp") => "application/sdp",
Some("sea") => "application/octet-stream",
Some("searchConnector-ms") => "application/windows-search-connector+xml",
Some("setpay") => "application/set-payment-initiation",
Some("setreg") => "application/set-registration-initiation",
Some("settings") => "application/xml",
Some("sfnt") => "application/font-sfnt",
Some("sgimb") => "application/x-sgimb",
Some("sgml") => "text/sgml; charset=utf8",
Some("sh") => "application/x-sh",
Some("shar") => "application/x-shar",
Some("shtml") => "text/html; charset=utf8",
Some("sit") => "application/x-stuffit",
Some("sitemap") => "application/xml",
Some("skin") => "application/xml",
Some("sldm") => "application/vnd.ms-powerpoint.slide.macroEnabled.12",
Some("sldx") => "application/vnd.openxmlformats-officedocument.presentationml.slide",
Some("slk") => "application/vnd.ms-excel",
Some("sln") => "text/plain; charset=utf8",
Some("slupkg-ms") => "application/x-ms-license",
Some("smd") => "audio/x-smd",
Some("smi") => "application/octet-stream",
Some("smx") => "audio/x-smd",
Some("smz") => "audio/x-smd",
Some("snd") => "audio/basic",
Some("snippet") => "application/xml",
Some("snp") => "application/octet-stream",
Some("sol") => "text/plain; charset=utf8",
Some("sor") => "text/plain; charset=utf8",
Some("spc") => "application/x-pkcs7-certificates",
Some("spl") => "application/futuresplash",
Some("src") => "application/x-wais-source",
Some("srf") => "text/plain; charset=utf8",
Some("ssisdeploymentmanifest") => "application/xml",
Some("ssm") => "application/streamingmedia",
Some("sst") => "application/vnd.ms-pki.certstore",
Some("stl") => "application/vnd.ms-pki.stl",
Some("sv4cpio") => "application/x-sv4cpio",
Some("sv4crc") => "application/x-sv4crc",
Some("svc") => "application/xml",
Some("svg") => "image/svg+xml",
Some("swf") => "application/x-shockwave-flash",
Some("t") => "application/x-troff",
Some("tar") => "application/x-tar",
Some("tcl") => "application/x-tcl",
Some("testrunconfig") => "application/xml",
Some("testsettings") => "application/xml",
Some("tex") => "application/x-tex",
Some("texi") => "application/x-texinfo",
Some("texinfo") => "application/x-texinfo",
Some("tgz") => "application/x-compressed",
Some("thmx") => "application/vnd.ms-officetheme",
Some("thn") => "application/octet-stream",
Some("tif") => "image/tiff",
Some("tiff") => "image/tiff",
Some("tlh") => "text/plain; charset=utf8",
Some("tli") => "text/plain; charset=utf8",
Some("toc") => "application/octet-stream",
Some("tr") => "application/x-troff",
Some("trm") => "application/x-msterminal",
Some("trx") => "application/xml",
Some("ts") => "video/vnd.dlna.mpeg-tts",
Some("tsv") => "text/tab-separated-values; charset=utf8",
Some("ttf") => "application/x-font-ttf",
Some("tts") => "video/vnd.dlna.mpeg-tts",
Some("txt") => "text/plain; charset=utf8",
Some("u32") => "application/octet-stream",
Some("uls") => "text/iuls; charset=utf8",
Some("user") => "text/plain; charset=utf8",
Some("ustar") => "application/x-ustar",
Some("vb") => "text/plain; charset=utf8",
Some("vbdproj") => "text/plain; charset=utf8",
Some("vbk") => "video/mpeg",
Some("vbproj") => "text/plain; charset=utf8",
Some("vbs") => "text/vbscript; charset=utf8",
Some("vcf") => "text/x-vcard; charset=utf8",
Some("vcproj") => "Application/xml",
Some("vcs") => "text/plain; charset=utf8",
Some("vcxproj") => "Application/xml",
Some("vddproj") => "text/plain; charset=utf8",
Some("vdp") => "text/plain; charset=utf8",
Some("vdproj") => "text/plain; charset=utf8",
Some("vdx") => "application/vnd.ms-visio.viewer",
Some("vml") => "application/xml",
Some("vscontent") => "application/xml",
Some("vsct") => "application/xml",
Some("vsd") => "application/vnd.visio",
Some("vsi") => "application/ms-vsi",
Some("vsix") => "application/vsix",
Some("vsixlangpack") => "application/xml",
Some("vsixmanifest") => "application/xml",
Some("vsmdi") => "application/xml",
Some("vspscc") => "text/plain; charset=utf8",
Some("vss") => "application/vnd.visio",
Some("vsscc") => "text/plain; charset=utf8",
Some("vssettings") => "application/xml",
Some("vssscc") => "text/plain; charset=utf8",
Some("vst") => "application/vnd.visio",
Some("vstemplate") => "application/xml",
Some("vsto") => "application/x-ms-vsto",
Some("vsw") => "application/vnd.visio",
Some("vsx") => "application/vnd.visio",
Some("vtx") => "application/vnd.visio",
Some("wav") => "audio/wav",
Some("wave") => "audio/wav",
Some("wax") => "audio/x-ms-wax",
Some("wbk") => "application/msword",
Some("wbmp") => "image/vnd.wap.wbmp",
Some("wcm") => "application/vnd.ms-works",
Some("wdb") => "application/vnd.ms-works",
Some("wdp") => "image/vnd.ms-photo",
Some("webarchive") => "application/x-safari-webarchive",
Some("webtest") => "application/xml",
Some("wiq") => "application/xml",
Some("wiz") => "application/msword",
Some("wks") => "application/vnd.ms-works",
Some("wlmp") => "application/wlmoviemaker",
Some("wlpginstall") => "application/x-wlpg-detect",
Some("wlpginstall3") => "application/x-wlpg3-detect",
Some("wm") => "video/x-ms-wm",
Some("wma") => "audio/x-ms-wma",
Some("wmd") => "application/x-ms-wmd",
Some("wmf") => "application/x-msmetafile",
Some("wml") => "text/vnd.wap.wml; charset=utf8",
Some("wmlc") => "application/vnd.wap.wmlc",
Some("wmls") => "text/vnd.wap.wmlscript; charset=utf8",
Some("wmlsc") => "application/vnd.wap.wmlscriptc",
Some("wmp") => "video/x-ms-wmp",
Some("wmv") => "video/x-ms-wmv",
Some("wmx") => "video/x-ms-wmx",
Some("wmz") => "application/x-ms-wmz",
Some("woff") => "application/font-woff",
Some("woff2") => "application/font-woff2",
Some("wpl") => "application/vnd.ms-wpl",
Some("wps") => "application/vnd.ms-works",
Some("wri") => "application/x-mswrite",
Some("wrl") => "x-world/x-vrml",
Some("wrz") => "x-world/x-vrml",
Some("wsc") => "text/scriptlet; charset=utf8",
Some("wsdl") => "application/xml",
Some("wvx") => "video/x-ms-wvx",
Some("x") => "application/directx",
Some("xaf") => "x-world/x-vrml",
Some("xaml") => "application/xaml+xml",
Some("xap") => "application/x-silverlight-app",
Some("xbap") => "application/x-ms-xbap",
Some("xbm") => "image/x-xbitmap",
Some("xdr") => "text/plain; charset=utf8",
Some("xht") => "application/xhtml+xml",
Some("xhtml") => "application/xhtml+xml",
Some("xla") => "application/vnd.ms-excel",
Some("xlam") => "application/vnd.ms-excel.addin.macroEnabled.12",
Some("xlc") => "application/vnd.ms-excel",
Some("xld") => "application/vnd.ms-excel",
Some("xlk") => "application/vnd.ms-excel",
Some("xll") => "application/vnd.ms-excel",
Some("xlm") => "application/vnd.ms-excel",
Some("xls") => "application/vnd.ms-excel",
Some("xlsb") => "application/vnd.ms-excel.sheet.binary.macroEnabled.12",
Some("xlsm") => "application/vnd.ms-excel.sheet.macroEnabled.12",
Some("xlsx") => "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
Some("xlt") => "application/vnd.ms-excel",
Some("xltm") => "application/vnd.ms-excel.template.macroEnabled.12",
Some("xltx") => "application/vnd.openxmlformats-officedocument.spreadsheetml.template",
Some("xlw") => "application/vnd.ms-excel",
Some("xml") => "application/xml",
Some("xmta") => "application/xml",
Some("xof") => "x-world/x-vrml",
Some("xoml") => "text/plain; charset=utf8",
Some("xpm") => "image/x-xpixmap",
Some("xps") => "application/vnd.ms-xpsdocument",
Some("xrm-ms") => "application/xml",
Some("xsc") => "application/xml",
Some("xsd") => "application/xml",
Some("xsf") => "application/xml",
Some("xsl") => "application/xml",
Some("xslt") => "application/xslt+xml",
Some("xsn") => "application/octet-stream",
Some("xss") => "application/xml",
Some("xtp") => "application/octet-stream",
Some("xwd") => "image/x-xwindowdump",
Some("z") => "application/x-compress",
Some("zip") => "application/zip",
_ => "application/octet-stream"
}
}