Initial commit
This commit is contained in:
commit
c0fa6a6a74
2 changed files with 368 additions and 0 deletions
364
index.js
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364
index.js
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var https = require("https");
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var os = require("os");
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var http = require("http");
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var url = require("url");
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var fs = require("fs");
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var path = require("path");
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var stream = require("stream");
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var version = "UNKNOWN";
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try {
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version = JSON.parse(fs.readFileSync(__dirname + "/mod.info")).version;
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} catch (ex) {
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// Can't determine version
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}
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var configJSONS = JSON.parse(fs.readFileSync("config.json")); // Read configuration JSON
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class RequestBodyStream extends stream.Readable {
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constructor(sourceStream) {
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super();
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this.sourceStream = sourceStream;
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// When the source stream emits data, push it to the wrapper stream
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this.sourceStream.on('data', (chunk) => {
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this.push(chunk);
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});
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// When the source stream ends, push null to indicate the end of the wrapper stream
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this.sourceStream.on('end', () => {
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this.push(null);
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});
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}
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// Implement the _read method to handle the read operation
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_read() {}
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}
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class ErrorStream extends stream.Writable {
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constructor() {
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super();
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this.buffer = Buffer.alloc(0);
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}
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_write(chunk, encoding, callback) {
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// Concatenate the incoming chunk to the buffer
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this.buffer = Buffer.concat([this.buffer, chunk]);
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// Call the callback to indicate that the write operation is complete
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callback();
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}
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}
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function Mod() {}
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Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, ext, uobject, search, defaultpage, users, page404, head, foot, fd, elseCallback, configJSON, callServerError, getCustomHeaders, origHref, redirect, parsePostData) {
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return function () {
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if (!configJSON) {
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configJSON = configJSONS;
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}
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if (!getCustomHeaders) {
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var bheaders = JSON.parse(JSON.stringify(configJSON.customHeaders));
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} else {
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var bheaders = getCustomHeaders();
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}
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bheaders["Content-Type"] = "text/html"; // HTML output
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if (!getCustomHeaders) {
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bheaders["Server"] =
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"SVR.JS/" +
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configJSON.version +
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" (" +
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os.platform()[0].toUpperCase() +
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os.platform().slice(1) +
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")"; // Add Server header
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}
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var abheaders = JSON.parse(JSON.stringify(bheaders));
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function executeJSGI(fname, req, res, dh, jsgiRequestObject) {
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// Function to execute JSGI scripts
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if (!fname.match(/\.jsgi(?:\.js)?$/)) {
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elseCallback();
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return;
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}
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try {
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var JSGIApp = require(process.cwd() + "/" + fname);
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var jsgiResponseObject = {};
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if (typeof JSGIApp === "object" && JSGIApp.app) {
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jsgiResponseObject = JSGIApp.app(jsgiRequestObject);
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} else {
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throw new Error("JSGI app must have app key in exports objects!!!");
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}
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if (jsgiRequestObject.jsgi.errors.readable) jsgiRequestObject.jsgi.errors.end();
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var errors = jsgiRequestObject.jsgi.errors.buffer.toString();
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if (errors.trim().length > 0) {
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serverconsole.errmessage("There were JSGI application errors:");
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serverconsole.errmessage(errors);
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}
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if (!jsgiResponseObject.status) jsgiResponseObject.status = 200;
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if (!getCustomHeaders) {
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var aheaders = JSON.parse(JSON.stringify(configJSON.customHeaders));
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} else {
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var aheaders = getCustomHeaders();
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}
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if (jsgiResponseObject.headers) {
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var hKeys = Object.keys(jsgiResponseObject.headers);
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for (var i = 0; i < hKeys.length; i++) {
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aheaders[hKeys[i]] = jsgiResponseObject.headers[hKeys[i]];
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}
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}
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if (!jsgiResponseObject.body) jsgiResponseObject.body = [""];
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if (typeof jsgiResponseObject.body === "string") {
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res.writeHead(jsgiResponseObject.status, http.STATUS_CODES[jsgiResponseObject.status], aheaders);
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res.write(jsgiResponseObject.body);
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res.end();
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} else if (typeof jsgiResponseObject.body.forEach !== "function") {
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throw new Error("JSGI app must return body, which has forEach function.");
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} else {
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res.writeHead(jsgiResponseObject.status, http.STATUS_CODES[jsgiResponseObject.status], aheaders);
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jsgiResponseObject.body.forEach(function (chunk) {
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res.write(chunk);
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});
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res.end();
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}
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} catch (error) {
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if (!callServerError) {
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res.writeHead(500, {
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"Content-Type": "text/html",
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"Server": "YellowSquare/" + version
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});
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res.end("<html><head></head><body><h1>YellowSquare Error!</h1><p>Reason: " + error.message + "</p></body></html>");
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} else {
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callServerError(500, "YellowSquare/" + version, error);
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}
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}
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}
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function executeJSGIWithReqObj(a, b, req, res, pubip, port, software, dh) {
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// Function to set up request object and execute JSGI scripts
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var inputStream = new RequestBodyStream(req);
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var errorStream = new ErrorStream();
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var jsgiRequestObject = {
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version: req.httpVersion.split("."),
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method: req.method,
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headers: req.headers,
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input: inputStream,
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scriptName: a,
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pathInfo: decodeURI(b),
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pathTranslated: b ? decodeURI((process.cwd() + (require("os").platform == "win32" ? b.replace(/\//g, "\\") : b)).replace((require("os").platform == "win32" ? /\\\\/g : /\/\//g), (require("os").platform == "win32" ? "\\" : "/"))) : "",
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scheme: req.socket.encrypted ? "https" : "http",
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env: {},
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jsgi: {
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version: [0, 3],
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errors: errorStream,
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multithread: false,
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multiprocess: true,
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runOnce: false,
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async: false,
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cgi: false,
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ext: {}
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},
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serverSoftware: software,
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remoteAddr: (req.socket.realRemoteAddress ? req.socket.realRemoteAddress : ((req.headers["x-forwarded-for"] && configJSON.enableIPSpoofing) ? req.headers["x-forwarded-for"].split(",")[0].replace(/ /g, "") : req.socket.remoteAddress)).replace(/^::ffff:/i, ""),
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remotePost: (req.socket.realRemotePort ? req.socket.realRemotePort : req.socket.remotePort)
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};
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if (req.headers.authorization) {
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jsgiRequestObject.authType = req.headers.authorization.split(" ")[0];
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if (jsgiRequestObject.authType == "Basic") {
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var remoteCred = req.headers.authorization.split(" ")[1];
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if (!remoteCred) {
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jsgiRequestObject.remoteUser = "yellowsquare_jsgi_invalid_user";
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} else {
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var remoteCredDecoded = Buffer.from(remoteCred, "base64").toString("utf8");
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jsgiRequestObject.remoteUser = remoteCredDecoded.split(":")[0];
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}
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} else {
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jsgiRequestObject.remoteUser = "svrjs_this_property_is_not_yet_supported_by_yellowsquare_jsgi";
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}
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}
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jsgiRequestObject.queryString = req.url.split("?")[1];
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if (jsgiRequestObject.queryString == undefined || jsgiRequestObject.queryString == "undefined") jsgiRequestObject.queryString = "";
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if (pubip && (port !== null && port !== undefined)) {
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jsgiRequestObject.port = port;
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jsgiRequestObject.host = pubip.replace(/^::ffff:/i, "");
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if (jsgiRequestObject.host.indexOf(":") != -1) jsgiRequestObject.host = "[" + jsgiRequestObject.host + "]";
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}
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executeJSGI("." + a, req, res, dh, jsgiRequestObject);
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}
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if (href.indexOf("/jsgi-bin") == 0) {
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fs.stat("." + href, function (err, stats) {
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if (!err) {
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if (!stats.isFile()) {
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elseCallback();
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} else {
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try {
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executeJSGIWithReqObj(
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href,
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"",
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req,
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res,
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req.socket.localAddress,
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req.socket.localPort,
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getCustomHeaders ?
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getCustomHeaders()["Server"] +
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" YellowSquare/" +
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version :
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"SVR.JS/" +
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|
configJSON.version +
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||||||
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" (" +
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os.platform()[0].toUpperCase() +
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|
os.platform().slice(1) +
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"; Node.JS/" +
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process.version +
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") YellowSquare/" +
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version,
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bheaders
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);
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} catch (ex) {
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|
if (!callServerError) {
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res.writeHead(500, "Internal Server Error", abheaders);
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res.write(
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||||||
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"<html><head><title>500 Internal Server Error</title></head><body><h1>500 Internal Server Error</h1><p>A server had unexpected exception. Below, the stack trace of the error is shown:</p><code>" +
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ex.stack.replace(/\r\n/g, "<br/>").replace(/\n/g, "<br/>").replace(/\r/g, "<br/>").replace(/ /g, " ") +
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||||||
|
"</code><p>Please contact the developer/administrator of the website.</p><p style=\"font-style: italic; font-weight: normal;\">SVR.JS " +
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||||||
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configJSON.version +
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||||||
|
" (" +
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os.platform()[0].toUpperCase() +
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||||||
|
os.platform().slice(1) +
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|
"; Node.JS/" +
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|
process.version +
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|
") YellowSquare/" +
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|
version +
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" " +
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||||||
|
(req.headers.host == undefined ? "" : " on " + req.headers.host) +
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||||||
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"</p></body></html>"
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||||||
|
);
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res.end();
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|
} else {
|
||||||
|
callServerError(500, "YellowSquare/" + version, ex);
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||||||
|
}
|
||||||
|
}
|
||||||
|
}
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||||||
|
} else if (err && err.code == "ENOTDIR") {
|
||||||
|
function checkPath(pth, cb, a) {
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||||||
|
// Function to check the path of the file and execute CGI script
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||||||
|
var cpth = pth.split("/");
|
||||||
|
if (cpth.length < 3) {
|
||||||
|
cb(false);
|
||||||
|
return;
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||||||
|
}
|
||||||
|
if (!a) b = [];
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||||||
|
else var b = a.split("/");
|
||||||
|
var isFile = false;
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||||||
|
fs.stat(pth, function (err, stats) {
|
||||||
|
if (!err && stats.isFile()) {
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|
cb({
|
||||||
|
fpth: pth,
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||||||
|
rpth: (a !== undefined ? "/" + a : "")
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||||||
|
})
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||||||
|
} else {
|
||||||
|
b.unshift(cpth.pop());
|
||||||
|
return checkPath(cpth.join("/"), cb, b.join("/"));
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
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||||||
|
checkPath("." + href, function (pathp) {
|
||||||
|
if (!pathp) {
|
||||||
|
elseCallback();
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||||||
|
} else {
|
||||||
|
try {
|
||||||
|
executeJSGIWithReqObj(
|
||||||
|
pathp.fpth.substr(1),
|
||||||
|
pathp.rpth,
|
||||||
|
req,
|
||||||
|
res,
|
||||||
|
req.socket.localAddress,
|
||||||
|
req.socket.localPort,
|
||||||
|
getCustomHeaders ?
|
||||||
|
getCustomHeaders()["Server"] +
|
||||||
|
" YellowSquare/" +
|
||||||
|
version :
|
||||||
|
"SVR.JS/" +
|
||||||
|
configJSON.version +
|
||||||
|
" (" +
|
||||||
|
os.platform()[0].toUpperCase() +
|
||||||
|
os.platform().slice(1) +
|
||||||
|
"; Node.JS/" +
|
||||||
|
process.version +
|
||||||
|
") YellowSquare/" +
|
||||||
|
version,
|
||||||
|
bheaders
|
||||||
|
);
|
||||||
|
} catch (ex) {
|
||||||
|
if (!callServerError) {
|
||||||
|
res.writeHead(500, "Internal Server Error", abheaders);
|
||||||
|
res.write(
|
||||||
|
"<html><head><title>500 Internal Server Error</title></head><body><h1>500 Internal Server Error</h1><p>A server had unexpected exception. Below, the stack trace of the error is shown:</p><code>" +
|
||||||
|
ex.stack.replace(/\r\n/g, "<br/>").replace(/\n/g, "<br/>").replace(/\r/g, "<br/>").replace(/ /g, " ") +
|
||||||
|
"</code><p>Please contact the developer/administrator of the website.</p><p style=\"font-style: italic; font-weight: normal;\">SVR.JS " +
|
||||||
|
configJSON.version +
|
||||||
|
" (" +
|
||||||
|
os.platform()[0].toUpperCase() +
|
||||||
|
os.platform().slice(1) +
|
||||||
|
"; Node.JS/" +
|
||||||
|
process.version +
|
||||||
|
") YellowSquare/" +
|
||||||
|
version +
|
||||||
|
" " +
|
||||||
|
(req.headers.host == undefined ? "" : " on " + req.headers.host) +
|
||||||
|
"</p></body></html>"
|
||||||
|
);
|
||||||
|
res.end();
|
||||||
|
} else {
|
||||||
|
callServerError(500, "YellowSquare/" + version, ex);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
});
|
||||||
|
} else if (err && err.code == "ENOENT") {
|
||||||
|
elseCallback(); //Invoke default error handler
|
||||||
|
} else {
|
||||||
|
if (!callServerError) {
|
||||||
|
res.writeHead(500, "Internal Server Error", abheaders);
|
||||||
|
res.write(
|
||||||
|
"<html><head><title>500 Internal Server Error</title></head><body><h1>500 Internal Server Error</h1><p>A server had unexpected exception. Below, the stack trace of the error is shown:</p><code>" +
|
||||||
|
err.stack.replace(/\r\n/g, "<br/>").replace(/\n/g, "<br/>").replace(/\r/g, "<br/>").replace(/ /g, " ") +
|
||||||
|
"</code><p>Please contact the developer/administrator of the website.</p><p style=\"font-style: italic; font-weight: normal;\">SVR.JS " +
|
||||||
|
configJSON.version +
|
||||||
|
" (" +
|
||||||
|
os.platform()[0].toUpperCase() +
|
||||||
|
os.platform().slice(1) +
|
||||||
|
"; Node.JS/" +
|
||||||
|
process.version +
|
||||||
|
") YellowSquare/" +
|
||||||
|
version +
|
||||||
|
" " +
|
||||||
|
(req.headers.host == undefined ? "" : " on " + req.headers.host) +
|
||||||
|
"</p></body></html>"
|
||||||
|
);
|
||||||
|
res.end();
|
||||||
|
} else {
|
||||||
|
callServerError(500, "YellowSquare/" + version, err);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
});
|
||||||
|
} else if (href == "/YellowSquare-interpreters.json" && path.normalize(__dirname + "/../../..") == process.cwd()) {
|
||||||
|
if (!callServerError) {
|
||||||
|
res.writeHead(200, "OK", {
|
||||||
|
"Content-Type": "application/json",
|
||||||
|
"Server": "YellowSquare/" + version
|
||||||
|
});
|
||||||
|
res.end(JSON.stringify(exttointerpreteruser, null, 2));
|
||||||
|
} else {
|
||||||
|
callServerError(200, "YellowSquare/" + version, exttointerpreteruser);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
elseCallback();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
module.exports = Mod;
|
||||||
4
mod.info
Executable file
4
mod.info
Executable file
|
|
@ -0,0 +1,4 @@
|
||||||
|
{
|
||||||
|
"name": "DorianTech YellowSquare JSGI engine for SVR.JS",
|
||||||
|
"version": "Nightly-GitMain"
|
||||||
|
}
|
||||||
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Reference in a new issue