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fu.js
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fu.js
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var createServer = require("http").createServer;
var process = require("posix");
var sys = require("sys");
var url = require("url");
DEBUG = false;
var fu = exports;
var NOT_FOUND = "Not Found\n";
function notFound(req, res) {
res.sendHeader(404, [ ["Content-Type", "text/plain"]
, ["Content-Length", NOT_FOUND.length]
]);
res.sendBody(NOT_FOUND);
res.finish();
}
var getMap = {};
fu.get = function (path, handler) {
getMap[path] = handler;
};
var server = createServer(function (req, res) {
if (req.method === "GET" || req.method === "HEAD") {
var handler = getMap[url.parse(req.url).pathname] || notFound;
res.simpleText = function (code, body) {
res.sendHeader(code, [ ["Content-Type", "text/plain"]
, ["Content-Length", body.length]
]);
res.sendBody(body);
res.finish();
};
res.simpleJSON = function (code, obj) {
var body = JSON.stringify(obj);
res.sendHeader(code, [ ["Content-Type", "text/json"]
, ["Content-Length", body.length]
]);
res.sendBody(body);
res.finish();
};
handler(req, res);
}
});
fu.listen = function (port, host) {
server.listen(port, host);
sys.puts("Server at http://" + (host || "127.0.0.1") + ":" + port.toString() + "/");
};
fu.close = function () { server.close(); };
function extname (path) {
var index = path.lastIndexOf(".");
return index < 0 ? "" : path.substring(index);
}
fu.staticHandler = function (filename) {
var body, headers;
var content_type = fu.mime.lookupExtension(extname(filename));
var encoding = (content_type.slice(0,4) === "text" ? "utf8" : "binary");
function loadResponseData(callback) {
if (body && headers && !DEBUG) {
callback();
return;
}
sys.puts("loading " + filename + "...");
var promise = process.cat(filename, encoding);
promise.addCallback(function (data) {
body = data;
headers = [ [ "Content-Type" , content_type ]
, [ "Content-Length" , body.length ]
];
if (!DEBUG)
headers.push(["Cache-Control", "public"]);
sys.puts("static file " + filename + " loaded");
callback();
});
promise.addErrback(function () {
sys.puts("Error loading " + filename);
});
}
return function (req, res) {
loadResponseData(function () {
res.sendHeader(200, headers);
res.sendBody(body, encoding);
res.finish();
});
}
};
// stolen from jack- thanks
fu.mime = {
// returns MIME type for extension, or fallback, or octet-steam
lookupExtension : function(ext, fallback) {
return fu.mime.TYPES[ext.toLowerCase()] || fallback || 'application/octet-stream';
},
// List of most common mime-types, stolen from Rack.
TYPES : { ".3gp" : "video/3gpp"
, ".a" : "application/octet-stream"
, ".ai" : "application/postscript"
, ".aif" : "audio/x-aiff"
, ".aiff" : "audio/x-aiff"
, ".asc" : "application/pgp-signature"
, ".asf" : "video/x-ms-asf"
, ".asm" : "text/x-asm"
, ".asx" : "video/x-ms-asf"
, ".atom" : "application/atom+xml"
, ".au" : "audio/basic"
, ".avi" : "video/x-msvideo"
, ".bat" : "application/x-msdownload"
, ".bin" : "application/octet-stream"
, ".bmp" : "image/bmp"
, ".bz2" : "application/x-bzip2"
, ".c" : "text/x-c"
, ".cab" : "application/vnd.ms-cab-compressed"
, ".cc" : "text/x-c"
, ".chm" : "application/vnd.ms-htmlhelp"
, ".class" : "application/octet-stream"
, ".com" : "application/x-msdownload"
, ".conf" : "text/plain"
, ".cpp" : "text/x-c"
, ".crt" : "application/x-x509-ca-cert"
, ".css" : "text/css"
, ".csv" : "text/csv"
, ".cxx" : "text/x-c"
, ".deb" : "application/x-debian-package"
, ".der" : "application/x-x509-ca-cert"
, ".diff" : "text/x-diff"
, ".djv" : "image/vnd.djvu"
, ".djvu" : "image/vnd.djvu"
, ".dll" : "application/x-msdownload"
, ".dmg" : "application/octet-stream"
, ".doc" : "application/msword"
, ".dot" : "application/msword"
, ".dtd" : "application/xml-dtd"
, ".dvi" : "application/x-dvi"
, ".ear" : "application/java-archive"
, ".eml" : "message/rfc822"
, ".eps" : "application/postscript"
, ".exe" : "application/x-msdownload"
, ".f" : "text/x-fortran"
, ".f77" : "text/x-fortran"
, ".f90" : "text/x-fortran"
, ".flv" : "video/x-flv"
, ".for" : "text/x-fortran"
, ".gem" : "application/octet-stream"
, ".gemspec" : "text/x-script.ruby"
, ".gif" : "image/gif"
, ".gz" : "application/x-gzip"
, ".h" : "text/x-c"
, ".hh" : "text/x-c"
, ".htm" : "text/html"
, ".html" : "text/html"
, ".ico" : "image/vnd.microsoft.icon"
, ".ics" : "text/calendar"
, ".ifb" : "text/calendar"
, ".iso" : "application/octet-stream"
, ".jar" : "application/java-archive"
, ".java" : "text/x-java-source"
, ".jnlp" : "application/x-java-jnlp-file"
, ".jpeg" : "image/jpeg"
, ".jpg" : "image/jpeg"
, ".js" : "application/javascript"
, ".json" : "application/json"
, ".log" : "text/plain"
, ".m3u" : "audio/x-mpegurl"
, ".m4v" : "video/mp4"
, ".man" : "text/troff"
, ".mathml" : "application/mathml+xml"
, ".mbox" : "application/mbox"
, ".mdoc" : "text/troff"
, ".me" : "text/troff"
, ".mid" : "audio/midi"
, ".midi" : "audio/midi"
, ".mime" : "message/rfc822"
, ".mml" : "application/mathml+xml"
, ".mng" : "video/x-mng"
, ".mov" : "video/quicktime"
, ".mp3" : "audio/mpeg"
, ".mp4" : "video/mp4"
, ".mp4v" : "video/mp4"
, ".mpeg" : "video/mpeg"
, ".mpg" : "video/mpeg"
, ".ms" : "text/troff"
, ".msi" : "application/x-msdownload"
, ".odp" : "application/vnd.oasis.opendocument.presentation"
, ".ods" : "application/vnd.oasis.opendocument.spreadsheet"
, ".odt" : "application/vnd.oasis.opendocument.text"
, ".ogg" : "application/ogg"
, ".p" : "text/x-pascal"
, ".pas" : "text/x-pascal"
, ".pbm" : "image/x-portable-bitmap"
, ".pdf" : "application/pdf"
, ".pem" : "application/x-x509-ca-cert"
, ".pgm" : "image/x-portable-graymap"
, ".pgp" : "application/pgp-encrypted"
, ".pkg" : "application/octet-stream"
, ".pl" : "text/x-script.perl"
, ".pm" : "text/x-script.perl-module"
, ".png" : "image/png"
, ".pnm" : "image/x-portable-anymap"
, ".ppm" : "image/x-portable-pixmap"
, ".pps" : "application/vnd.ms-powerpoint"
, ".ppt" : "application/vnd.ms-powerpoint"
, ".ps" : "application/postscript"
, ".psd" : "image/vnd.adobe.photoshop"
, ".py" : "text/x-script.python"
, ".qt" : "video/quicktime"
, ".ra" : "audio/x-pn-realaudio"
, ".rake" : "text/x-script.ruby"
, ".ram" : "audio/x-pn-realaudio"
, ".rar" : "application/x-rar-compressed"
, ".rb" : "text/x-script.ruby"
, ".rdf" : "application/rdf+xml"
, ".roff" : "text/troff"
, ".rpm" : "application/x-redhat-package-manager"
, ".rss" : "application/rss+xml"
, ".rtf" : "application/rtf"
, ".ru" : "text/x-script.ruby"
, ".s" : "text/x-asm"
, ".sgm" : "text/sgml"
, ".sgml" : "text/sgml"
, ".sh" : "application/x-sh"
, ".sig" : "application/pgp-signature"
, ".snd" : "audio/basic"
, ".so" : "application/octet-stream"
, ".svg" : "image/svg+xml"
, ".svgz" : "image/svg+xml"
, ".swf" : "application/x-shockwave-flash"
, ".t" : "text/troff"
, ".tar" : "application/x-tar"
, ".tbz" : "application/x-bzip-compressed-tar"
, ".tcl" : "application/x-tcl"
, ".tex" : "application/x-tex"
, ".texi" : "application/x-texinfo"
, ".texinfo" : "application/x-texinfo"
, ".text" : "text/plain"
, ".tif" : "image/tiff"
, ".tiff" : "image/tiff"
, ".torrent" : "application/x-bittorrent"
, ".tr" : "text/troff"
, ".txt" : "text/plain"
, ".vcf" : "text/x-vcard"
, ".vcs" : "text/x-vcalendar"
, ".vrml" : "model/vrml"
, ".war" : "application/java-archive"
, ".wav" : "audio/x-wav"
, ".wma" : "audio/x-ms-wma"
, ".wmv" : "video/x-ms-wmv"
, ".wmx" : "video/x-ms-wmx"
, ".wrl" : "model/vrml"
, ".wsdl" : "application/wsdl+xml"
, ".xbm" : "image/x-xbitmap"
, ".xhtml" : "application/xhtml+xml"
, ".xls" : "application/vnd.ms-excel"
, ".xml" : "application/xml"
, ".xpm" : "image/x-xpixmap"
, ".xsl" : "application/xml"
, ".xslt" : "application/xslt+xml"
, ".yaml" : "text/yaml"
, ".yml" : "text/yaml"
, ".zip" : "application/zip"
}
};