/
http_server.js
374 lines (344 loc) · 11.5 KB
/
http_server.js
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var NOT_FOUND = "Not Found\n";
function notFound(req, res, message) {
res.sendHeader(404, [ ["Content-Type", "text/plain"],
["Content-Length", NOT_FOUND.length]
]);
res.sendBody(message || NOT_FOUND);
res.finish();
}
var routes = [];
function addRoute(method, pattern, handler) {
routes.push({
method: method,
pattern: pattern,
handler: handler
});
}
exports.get = function (pattern, handler) {
return addRoute("GET", pattern, handler);
};
exports.post = function (pattern, handler) {
return addRoute("POST", pattern, handler);
};
exports.put = function (pattern, handler) {
return addRoute("PUT", pattern, handler);
};
exports['delete'] = function (pattern, handler) {
return addRoute("DELETE", pattern, handler);
};
exports.resource = function (name, controller) {
exports.get(new RegExp('^/' + name + '$'), controller.index);
exports.get(new RegExp('^/' + name + '/([^/]+)$'), controller.show);
exports.post(new RegExp('^/' + name + '$'), controller.create);
exports.put(new RegExp('^/' + name + '/([^/]+)$'), controller.update);
exports['delete'](new RegExp('^/' + name + '/([^/]+)$'), controller.destroy);
};
exports.resourceController = function (name, data, on_change) {
data = data || [];
on_change = on_change || function () {};
return {
index: function (req, res) {
res.simpleJson(200, {content: data, self: '/' + name});
},
show: function (req, res, id) {
var item = data[id];
if (item) {
res.simpleJson(200, {content: item, self: '/' + name + '/' + id});
} else {
res.notFound();
}
},
create: function (req, res) {
req.jsonBody(function (json) {
var item, id, url;
item = json && json.content;
if (!item) {
res.notFound();
} else {
data.push(item);
id = data.length - 1;
on_change(id);
url = "/" + name + "/" + id;
res.simpleJson(201, {content: item, self: url}, [["Location", url]]);
}
});
},
update: function (req, res, id) {
req.jsonBody(function (json) {
var item = json && json.content;
if (!item) {
res.notFound();
} else {
data[id] = item;
on_change(id);
res.simpleJson(200, {content: item, self: "/" + name + "/" + id});
}
});
},
destroy: function (req, res, id) {
delete(data[id]);
on_change(id);
res.simpleJson(200, "200 Destroyed");
}
};
};
var server = node.http.createServer(function (req, res) {
var path = req.uri.path;
puts(req.method + " " + path);
// Load the request body and call callback when done
req.jsonBody = function (callback) {
var body = "";
req.setBodyEncoding('utf8');
req.addListener('body', function (chunk) {
body += chunk;
});
req.addListener('complete', function () {
callback(JSON.parse(body));
});
};
res.simpleHtml = function (code, body, extra_headers) {
res.sendHeader(code, (extra_headers || []).concat(
[ ["Content-Type", "text/html"],
["Content-Length", body.length]
]));
res.sendBody(body);
res.finish();
};
res.simpleJson = function (code, json, extra_headers) {
var body = JSON.stringify(json);
res.sendHeader(code, (extra_headers || []).concat(
[ ["Content-Type", "application/json"],
["Content-Length", body.length]
]));
res.sendBody(body);
res.finish();
};
res.notFound = function (message) {
notFound(req, res, message);
};
for (var i = 0, l = routes.length; i < l; i += 1) {
var route = routes[i];
if (req.method === route.method) {
var match = path.match(route.pattern);
if (match && match[0].length > 0) {
match.shift();
match.unshift(res);
match.unshift(req);
route.handler.apply(this, match);
return;
}
}
}
notFound(req, res);
});
exports.listen = function (port, host) {
server.listen(port, host);
puts("Server at http://" + (host || "127.0.0.1") + ":" + port.toString() + "/");
};
exports.close = function () { server.close(); };
function extname (path) {
var index = path.lastIndexOf(".");
return index < 0 ? "" : path.substring(index);
}
exports.staticHandler = function (req, res, filename) {
var body, headers;
var content_type = exports.mime.lookupExtension(extname(filename));
var encoding = (content_type.slice(0,4) === "text" ? "utf8" : "raw");
function loadResponseData(callback) {
if (body && headers) {
callback();
return;
}
var promise = node.fs.cat(filename, encoding);
promise.addCallback(function (data) {
body = data;
headers = [ [ "Content-Type" , content_type ],
[ "Content-Length" , body.length ]
];
headers.push(["Cache-Control", "public"]);
callback();
});
promise.addErrback(function () {
notFound(req, res);
});
}
loadResponseData(function () {
res.sendHeader(200, headers);
res.sendBody(body);
res.finish();
});
};
// stolen from jack- thanks
exports.mime = {
// returns MIME type for extension, or fallback, or octet-steam
lookupExtension : function(ext, fallback) {
return exports.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"
}
};