redbrick/index.js

751 lines
32 KiB
JavaScript

var https = require("https");
var os = require("os");
var http = require("http");
var url = require("url");
var fs = require("fs");
var path = require("path");
var childProcess = require("child_process");
var readline = require("readline");
var version = "UNKNOWN";
try {
version = JSON.parse(fs.readFileSync(__dirname + "/mod.info")).version;
} catch (ex) {
// Can't determine version
}
var configJSONS = {};
try {
configJSONS = JSON.parse(fs.readFileSync(__dirname + "/../../../config.json")); // Read configuration JSON
} catch(ex) {
//RedBrick will not care about configJSONS in SVR.JS 3.x and newer
//SVR.JS 2.x and older will fail to start with broken configuration file anyway...
}
var exttointerpreteruser = {};
var scriptExts = [];
try {
exttointerpreteruser = JSON.parse(fs.readFileSync(__dirname + "/../../../redbrick-interpreters.json"));
} catch (ex) {
}
try {
scriptExts = JSON.parse(fs.readFileSync(__dirname + "/../../../redbrick-scriptexts.json"));
} catch (ex) {
}
var disableModExposeSupported = process.versions.svrjs && process.versions.svrjs.match(/^(?:Nightly-|(?:[4-9]|[123][0-9])[0-9]*\.|3\.(?:[1-9][0-9]+\.|9\.(?:[1-9])|4\.(?:(?:[3-9]|[12][0-9])[0-9]+|29)))/i);
function Mod() {}
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, authUser) {
return function () {
if (!configJSON) {
configJSON = configJSONS;
}
function checkIfThereIsA401Rule() {
var actually401 = false;
function createRegex(regex) {
var regexObj = regex.split("/");
if (regexObj.length == 0) throw new Error("Invalid regex!");
var modifiers = regexObj.pop();
regexObj.shift();
var searchString = regexObj.join("/");
return new RegExp(searchString, modifiers);
}
if(configJSON.nonStandardCodes) {
configJSON.nonStandardCodes.every(function (nonscode) {
if (nonscode.scode == 401) {
if (nonscode.regex && (req.url.match(createRegex(nonscode.regex)) || href.match(createRegex(nonscode.regex)))) {
actually401 = true;
return true;
} else if (nonscode.url && (nonStandardCodes[i].url == href || (os.platform() == "win32" && nonStandardCodes[i].url.toLowerCase() == href.toLowerCase()))) {
actually401 = true;
return true;
}
}
return false;
});
}
return actually401;
}
if (!getCustomHeaders) {
var bheaders = JSON.parse(JSON.stringify(configJSON.customHeaders));
} else {
var bheaders = getCustomHeaders();
}
bheaders["Content-Type"] = "text/html"; // HTML output
if (!getCustomHeaders) {
bheaders["Server"] =
"SVR.JS/" +
configJSON.version +
" (" +
os.platform()[0].toUpperCase() +
os.platform().slice(1) +
")"; // Add Server header
}
var abheaders = JSON.parse(JSON.stringify(bheaders));
function executeCGI(fname, req, res, dh, nEnv) {
// Function to execute CGI scripts
var env = JSON.parse(JSON.stringify(process.env));
var nEnvKeys = Object.keys(nEnv);
for (var i = 0; i < nEnvKeys.length; i++) {
env[nEnvKeys[i]] = nEnv[nEnvKeys[i]];
}
var exttointerpreter = {
".pl": ["perl"],
".py": ["python"],
".sh": ["bash"],
".ksh": ["ksh"],
".csh": ["csh"],
".rb": ["ruby"],
".php": ["php-cgi"]
};
if (os.platform() == "win32") {
exttointerpreter[".exe"] = [];
exttointerpreter[".bat"] = ["cmd", "/c"];
exttointerpreter[".vbs"] = ["cscript"];
}
fs.stat(fname, function (err, stats) {
if (err) {
if (!callServerError) {
res.writeHead(500, {
"Content-Type": "text/html",
"Server": "RedBrick/" + version
});
res.end("<html><head></head><body><h1>RedBrick Error!</h1><p>Reason: " + err.message + "</p></body></html>");
} else {
callServerError(500, "RedBrick/" + version, err);
}
return;
}
if (stats.size == 0) {
afterShebangCallback(false);
return;
}
var s = fs.createReadStream(fname);
s.on("error", function (err) {
if (!callServerError) {
res.writeHead(500, {
"Content-Type": "text/html",
"Server": "RedBrick/" + version
});
res.end("<html><head></head><body><h1>RedBrick Error!</h1><p>Reason: " + err.message + "</p></body></html>");
} else {
callServerError(500, "RedBrick/" + version, err);
}
return;
}).on("open", function () {
var rl = readline.createInterface({
input: s,
});
rl.once("line", function (line) {
rl.close();
if (line.substr(0, 2) == "#!") {
var args = line.substr(2).match(/(?:[^" ]|\\(?:.|$)|"[^"]*(?:"|$))+/g);
if (!args) args = [];
args = args.map(function (arg) {
return arg.replace(/"/g, "");
});
afterShebangCallback(args);
} else if (os.platform() != "win32" && line.substr(0, 4) == "\x7fELF") {
afterShebangCallback("binary");
} else {
afterShebangCallback(false);
}
});
});
});
function afterShebangCallback(passedArgs) {
var ext = path.extname(fname);
var args = [];
var buffer = "";
var stderr = "";
var headerendline = -1;
var cned = false;
args.push(fname);
if (passedArgs == "binary") {
filename = (process.cwd() + (os.platform() == "win32" ? "\\" + fname.replace(/\//g, "\\") : "/" + fname)).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/");
args = [];
} else if (passedArgs) {
if (os.platform() == "win32") {
args = passedArgs;
args.push((process.cwd() + ("\\" + fname.replace(/\//g, "\\"))).replace(/\\+/, "\\"));
filename = args.shift();
} else {
filename = (process.cwd() + (os.platform() == "win32" ? "\\" + fname.replace(/\//g, "\\") : "/" + fname)).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/");
args = [];
}
} else {
args = exttointerpreteruser[ext];
if (args === null) {
elseCallback();
return;
} else if (!args) {
args = exttointerpreter[ext];
if (!args) {
elseCallback();
return;
}
}
args.push((process.cwd() + (os.platform() == "win32" ? "\\" + fname.replace(/\//g, "\\") : "/" + fname)).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/"));
filename = args.shift();
}
var wd = fname.split("/");
wd[0] = "";
wd[wd.length - 1] = "";
wd = wd.join(os.platform() == "win32" ? "\\" : "/");
var interpreter = childProcess.spawn(filename, args, {
cwd: (process.cwd() + wd).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/"),
env: env
});
interpreter.on("error", (error) => {
if (!callServerError) {
res.writeHead(500, {
"Content-Type": "text/html",
"Server": "RedBrick/" + version
});
res.end("<html><head></head><body><h1>RedBrick Error!</h1><p>Reason: " + error.message + "</p></body></html>");
} else {
callServerError(500, "RedBrick/" + version, error);
}
});
var dataHandler = function (data) {
if (!cned) buffer += data.toString("latin1");
var m = null;
if (!cned) m = buffer.match(/(?:\r\n\r\n|\n\r\n\r|\n\n|\r\r)/);
if (!cned && m) {
cned = true;
eol = m[0];
headerendline = m.index;
var bheaders = buffer.substr(0, headerendline).split(/(?:\r\n|\n\r|\n|\r)/);
var bheaderso = {};
if (dh) bheaderso = dh;
var code = 200;
var msg = "OK";
var httpMatch = bheaders[0].match(/^HTTP\/[^ ]+ ([0-9]{3})(?: (.*))?$/);
if (httpMatch) {
bheaders.shift();
code = parseInt(httpMatch[1]);
if (httpMatch[2]) msg = httpMatch[2];
else msg = http.STATUS_CODES[code];
} else if (bheaders[0].indexOf(":") == -1) {
var heada = bheaders.shift();
var hso = heada.match(/^([0-9]{3})(?: (.*))?$/);
if (hso) {
code = parseInt(hso[1]);
if (hso[2]) msg = hso[2];
else msg = http.STATUS_CODES[code];
}
}
var hasLocation = false;
for (var i = 0; i < bheaders.length; i++) {
var headerp = bheaders[i].match(/^([^:]*)(?:: (.*))?/);
if (!headerp) headerp = [];
var headern = headerp[1];
var headerv = headerp[2];
if (headern.toLowerCase() == "status") {
var httpMatch = headerv.match(/^([0-9]{3})(?: (.*))?$/);
if (httpMatch) {
code = parseInt(httpMatch[1]);
if (httpMatch[2]) msg = httpMatch[2];
else msg = http.STATUS_CODES[code];
}
} else if (headern.toLowerCase() == "set-cookie") {
if (!bheaderso["Set-Cookie"]) bheaderso["Set-Cookie"] = [];
bheaderso["Set-Cookie"].push(headerv);
} else {
if (headern.toLowerCase() == "location") hasLocation = true;
bheaderso[headern] = headerv;
}
}
if ((code < 300 || code > 399) && hasLocation) {
code = 302;
msg = "Found";
}
try {
res.writeHead(code, msg, bheaderso);
res.write(Buffer.from(buffer.substr(headerendline + eol.length), "latin1"));
} catch (ex) {
interpreter.removeAllListeners("exit");
interpreter.stdout.removeAllListeners("data");
if (!callServerError) {
res.writeHead(500);
res.end(ex.stack);
} else {
callServerError(500, "RedBrick/" + version, ex);
}
return;
}
} else {
if (cned && !res.finished) {
res.write(data);
interpreter.stdout.removeListener("data", dataHandler);
interpreter.stdout.pipe(res, {end: false});
dataHandler = function () {}; //Prevent event listener memory leaks
}
}
};
res.prependListener("close", function() {
if(interpreter.stdout) interpreter.stdout.unpipe(res); //Prevent server crashes with write after the end
});
res.on("error", function() {}); //Suppress response stream errors
if (interpreter.stdout) {
interpreter.stdout.on("data", dataHandler);
interpreter.stderr.on("data", function (data) {
stderr += data.toString();
});
req.pipe(interpreter.stdin);
interpreter.on("exit", (code, signal) => {
if (!cned && (signal || code !== 0)) {
var ex = new Error("Process execution failed!" + (stderr ? " Reason: " + stderr.trim() : ""));
if (!callServerError) {
res.writeHead(500);
res.end(ex.stack);
} else {
callServerError(500, "RedBrick/" + version, ex);
}
} else {
var preparedStderr = stderr.trim()
if(preparedStderr) {
serverconsole.errmessage("There were CGI application errors:");
serverconsole.errmessage(preparedStderr);
}
interpreter.stdout.removeListener("data", dataHandler);
interpreter.stdout.unpipe(res); //Prevent server crashes with write after the end
if(!res.finished) res.end();
}
});
}
}
}
function executeCGIWithEnv(a, b, req, res, pubip, port, software, dh, user) {
// Function to set up environment variables and execute CGI scripts
var nEnv = {};
if (typeof user != "undefined") {
if (user !== null) {
if (req.headers.authorization) nEnv["AUTH_TYPE"] = req.headers.authorization.split(" ")[0];
nEnv["REMOTE_USER"] = user;
}
} else if (req.headers.authorization && (typeof checkIfThereIsA401Rule == "undefined" || checkIfThereIsA401Rule())) {
nEnv["AUTH_TYPE"] = req.headers.authorization.split(" ")[0];
if (nEnv["AUTH_TYPE"] == "Basic") {
var remoteCred = req.headers.authorization.split(" ")[1];
if (!remoteCred) {
nEnv["REMOTE_USER"] = "redbrick_cgi_invalid_user";
} else {
var remoteCredDecoded = Buffer.from(remoteCred, "base64").toString("utf8");
nEnv["REMOTE_USER"] = remoteCredDecoded.split(":")[0];
}
} else {
nEnv["REMOTE_USER"] = "svrjs_this_property_is_not_yet_supported_by_redbrick_cgi";
}
}
nEnv["QUERY_STRING"] = req.url.split("?")[1];
if (nEnv["QUERY_STRING"] == undefined || nEnv["QUERY_STRING"] == "undefined") nEnv["QUERY_STRING"] = "";
nEnv["SERVER_SOFTWARE"] = software;
nEnv["SERVER_PROTOCOL"] = "HTTP/" + req.httpVersion;
if (pubip && (port !== null && port !== undefined)) {
nEnv["SERVER_PORT"] = port;
nEnv["SERVER_ADDR"] = pubip.replace(/^::ffff:/i, "");
if (nEnv["SERVER_ADDR"].indexOf(":") != -1) nEnv["SERVER_ADDR"] = "[" + nEnv["SERVER_ADDR"] + "]";
}
if (configJSON.serverAdministratorEmail && configJSON.serverAdministratorEmail != "[no contact information]") {
nEnv["SERVER_ADMIN"] = configJSON.serverAdministratorEmail;
}
nEnv["SERVER_NAME"] = req.headers.host;
nEnv["DOCUMENT_ROOT"] = process.cwd();
nEnv["PATH_INFO"] = decodeURIComponent(b);
nEnv["PATH_TRANSLATED"] = b ? ((process.cwd() + decodeURIComponent(require("os").platform == "win32" ? b.replace(/\//g, "\\") : b)).replace((require("os").platform == "win32" ? /\\\\/g : /\/\//g), (require("os").platform == "win32" ? "\\" : "/"))) : "";
nEnv["REQUEST_METHOD"] = req.method;
nEnv["GATEWAY_INTERFACE"] = "CGI/1.1";
nEnv["REQUEST_URI"] = (!origHref || origHref == href) ? req.url : (origHref + (uobject.search ? ((uobject.search[0] == "?" ? "" : "?") + uobject.search) : ""));
nEnv["REMOTE_ADDR"] = (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, "");
if (req.socket.realRemoteAddress && req.socket.realRemotePort) {
nEnv["REMOTE_PORT"] = req.socket.realRemotePort;
} else if (!(req.socket.realRemoteAddress && !req.socket.realRemotePort)) {
nEnv["REMOTE_PORT"] = req.socket.remotePort;
}
nEnv["SCRIPT_NAME"] = a;
nEnv["SCRIPT_FILENAME"] = (process.cwd() + (require("os").platform == "win32" ? a.replace(/\//g, "\\") : a)).replace((require("os").platform == "win32" ? /\\\\/g : /\/\//g), (require("os").platform == "win32" ? "\\" : "/"));
if (req.socket.encrypted) nEnv["HTTPS"] = "ON";
if (req.headers["content-type"]) nEnv["CONTENT_TYPE"] = req.headers["content-type"];
if (req.headers["content-length"]) nEnv["CONTENT_LENGTH"] = req.headers["content-length"];
var nh = JSON.parse(JSON.stringify(req.headers));
delete nh["content-type"];
delete nh["content-length"];
var nhKeys = Object.keys(nh);
for (var i = 0; i < nhKeys.length; i++) {
nEnv["HTTP_" + nhKeys[i].replace(/[^0-9A-Za-z]+/g, "_").toUpperCase()] = req.headers[nhKeys[i]];
}
executeCGI("." + a, req, res, dh, nEnv);
}
var isCgiBin = href.match(new RegExp("^/cgi-bin(?:$|[?#/])", os.platform() == "win32" ? "i" : ""));
var isScriptExt = scriptExts.indexOf("." + ext) != -1;
if ((href == "/redbrick-interpreters.json" || href == "/redbrick-scriptexts.json" || (os.platform() == "win32" && (href.toLowerCase() == "/redbrick-interpreters.json" || href.toLowerCase() == "/redbrick-scriptexts.json"))) && path.normalize(__dirname + "/../../..") == process.cwd()) {
if (!callServerError) {
res.writeHead(403, "Forbidden", {
"Content-Type": "text/html",
"Server": "RedBrick/" + version
});
res.write(
"<html><head><title>403 Forbidden</title></head><body><h1>403 Forbidden</h1><p>You don't have access to specific page.</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 +
") RedBrick/" +
version +
" " +
(req.headers.host == undefined ? "" : " on " + req.headers.host) +
"</p></body></html>"
);
res.end(JSON.stringify(exttointerpreteruser, null, 2));
} else {
callServerError(403, "RedBrick/" + version);
}
} else {
fs.stat("." + decodeURIComponent(href), function (err, stats) {
if (!err) {
if (!stats.isFile()) {
if (isCgiBin || scriptExts.indexOf(".php") != -1) {
fs.stat("." + decodeURIComponent(href) + "/index.php", function (e2, s2) {
if (!e2 && s2.isFile()) {
try {
executeCGIWithEnv(
(decodeURIComponent(href) + "/index.php").replace(/\/+/g, "/"),
"",
req,
res,
req.socket.localAddress,
req.socket.localPort,
getCustomHeaders ?
getCustomHeaders()["Server"] +
(disableModExposeSupported && (configJSON.exposeModsInErrorPages || configJSON.exposeModsInErrorPages === undefined) ?
" RedBrick/" +
version : "") :
"SVR.JS/" +
configJSON.version +
" (" +
os.platform()[0].toUpperCase() +
os.platform().slice(1) +
"; Node.JS/" +
process.version +
") RedBrick/" +
version,
bheaders,
authUser
);
} 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, "&nbsp;") +
"</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 +
") RedBrick/" +
version +
" " +
(req.headers.host == undefined ? "" : " on " + req.headers.host) +
"</p></body></html>"
);
res.end();
} else {
callServerError(500, "RedBrick/" + version, ex);
}
}
} else if (isCgiBin || scriptExts.indexOf(".cgi") != -1) {
fs.stat("." + decodeURIComponent(href) + "/index.cgi", function (e3, s3) {
if (!e3 && s3.isFile()) {
try {
executeCGIWithEnv(
(decodeURIComponent(href) + "/index.cgi").replace(/\/+/g, "/"),
"",
req,
res,
req.socket.localAddress,
req.socket.localPort,
getCustomHeaders ?
getCustomHeaders()["Server"] +
(disableModExposeSupported && (configJSON.exposeModsInErrorPages || configJSON.exposeModsInErrorPages === undefined) ?
" RedBrick/" +
version : "") :
"SVR.JS/" +
configJSON.version +
" (" +
os.platform()[0].toUpperCase() +
os.platform().slice(1) +
"; Node.JS/" +
process.version +
") RedBrick/" +
version,
bheaders,
authUser
);
} 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, "&nbsp;") +
"</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 +
") RedBrick/" +
version +
" " +
(req.headers.host == undefined ? "" : " on " + req.headers.host) +
"</p></body></html>"
);
res.end();
} else {
callServerError(500, "RedBrick/" + version, ex);
}
}
} else {
elseCallback();
}
});
} else {
elseCallback();
}
});
} else if (scriptExts.indexOf(".cgi") != -1) {
fs.stat("." + decodeURIComponent(href) + "/index.cgi", function (e3, s3) {
if (!e3 && s3.isFile()) {
try {
executeCGIWithEnv(
(decodeURIComponent(href) + "/index.cgi").replace(/\/+/g, "/"),
"",
req,
res,
req.socket.localAddress,
req.socket.localPort,
getCustomHeaders ?
getCustomHeaders()["Server"] +
(disableModExposeSupported && (configJSON.exposeModsInErrorPages || configJSON.exposeModsInErrorPages === undefined) ?
" RedBrick/" +
version : "") :
"SVR.JS/" +
configJSON.version +
" (" +
os.platform()[0].toUpperCase() +
os.platform().slice(1) +
"; Node.JS/" +
process.version +
") RedBrick/" +
version,
bheaders,
authUser
);
} 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, "&nbsp;") +
"</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 +
") RedBrick/" +
version +
" " +
(req.headers.host == undefined ? "" : " on " + req.headers.host) +
"</p></body></html>"
);
res.end();
} else {
callServerError(500, "RedBrick/" + version, ex);
}
}
} else {
elseCallback();
}
});
} else {
elseCallback();
}
} else {
if (isCgiBin || isScriptExt) {
try {
executeCGIWithEnv(
decodeURIComponent(href),
"",
req,
res,
req.socket.localAddress,
req.socket.localPort,
getCustomHeaders ?
getCustomHeaders()["Server"] +
(disableModExposeSupported && (configJSON.exposeModsInErrorPages || configJSON.exposeModsInErrorPages === undefined) ?
" RedBrick/" +
version : "") :
"SVR.JS/" +
configJSON.version +
" (" +
os.platform()[0].toUpperCase() +
os.platform().slice(1) +
"; Node.JS/" +
process.version +
") RedBrick/" +
version,
bheaders,
authUser
);
} 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, "&nbsp;") +
"</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 +
") RedBrick/" +
version +
" " +
(req.headers.host == undefined ? "" : " on " + req.headers.host) +
"</p></body></html>"
);
res.end();
} else {
callServerError(500, "RedBrick/" + version, ex);
}
}
} else {
elseCallback();
}
}
} else if (err && err.code == "ENOTDIR") {
function checkPath(pth, cb, a) {
// Function to check the path of the file and execute CGI script
var cpth = pth.split("/");
if (cpth.length < (isCgiBin ? 3 : 2)) {
cb(false);
return;
}
if (!a) b = [];
else var b = a.split("/");
var isFile = false;
fs.stat(pth, function (err, stats) {
if (!err && stats.isFile()) {
cb({
fpth: pth,
rpth: (a !== undefined ? "/" + a : "")
})
} else {
b.unshift(cpth.pop());
return checkPath(cpth.join("/"), cb, b.join("/"));
}
});
}
checkPath("." + decodeURIComponent(href), function (pathp) {
if (!pathp) {
elseCallback();
} else {
var newext = path.extname(pathp.fpth);
if (isCgiBin || scriptExts.indexOf(newext) != -1) {
try {
executeCGIWithEnv(
pathp.fpth.substr(1),
pathp.rpth,
req,
res,
req.socket.localAddress,
req.socket.localPort,
getCustomHeaders ?
getCustomHeaders()["Server"] +
(disableModExposeSupported && (configJSON.exposeModsInErrorPages || configJSON.exposeModsInErrorPages === undefined) ?
" RedBrick/" +
version : "") :
"SVR.JS/" +
configJSON.version +
" (" +
os.platform()[0].toUpperCase() +
os.platform().slice(1) +
"; Node.JS/" +
process.version +
") RedBrick/" +
version,
bheaders,
authUser
);
} 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, "&nbsp;") +
"</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 +
") RedBrick/" +
version +
" " +
(req.headers.host == undefined ? "" : " on " + req.headers.host) +
"</p></body></html>"
);
res.end();
} else {
callServerError(500, "RedBrick/" + version, ex);
}
}
} else {
elseCallback();
}
}
});
} else {
elseCallback(); //Invoke default error handler
}
});
}
}
}
module.exports = Mod;