hardlounge/src/server.js
Jérémie Astori bc8b699437 Add a basic check for bundled application when starting the server
Note that this will not detect if the client application was built with an old version of the repo.
2017-01-23 01:15:50 -05:00

366 lines
9.0 KiB
JavaScript

"use strict";
var _ = require("lodash");
var pkg = require("../package.json");
var Client = require("./client");
var ClientManager = require("./clientManager");
var express = require("express");
var fs = require("fs");
var io = require("socket.io");
var dns = require("dns");
var Helper = require("./helper");
var ldap = require("ldapjs");
var colors = require("colors/safe");
var manager = null;
var authFunction = localAuth;
module.exports = function() {
manager = new ClientManager();
if (!fs.existsSync("client/js/bundle.js")) {
log.error(`The client application was not built. Run ${colors.bold("NODE_ENV=production npm run build")} to resolve this.`);
process.exit();
}
var app = express()
.use(allRequests)
.use(index)
.use(express.static("client"));
var config = Helper.config;
var server = null;
if (config.public && (config.ldap || {}).enable) {
log.warn("Server is public and set to use LDAP. Set to private mode if trying to use LDAP authentication.");
}
if (!config.https.enable) {
server = require("http");
server = server.createServer(app).listen(config.port, config.host);
} else {
server = require("spdy");
const keyPath = Helper.expandHome(config.https.key);
const certPath = Helper.expandHome(config.https.certificate);
if (!config.https.key.length || !fs.existsSync(keyPath)) {
log.error("Path to SSL key is invalid. Stopping server...");
process.exit();
}
if (!config.https.certificate.length || !fs.existsSync(certPath)) {
log.error("Path to SSL certificate is invalid. Stopping server...");
process.exit();
}
server = server.createServer({
key: fs.readFileSync(keyPath),
cert: fs.readFileSync(certPath)
}, app).listen(config.port, config.host);
}
if (config.identd.enable) {
if (manager.identHandler) {
log.warn("Using both identd and oidentd at the same time!");
}
require("./identd").start(config.identd.port);
}
if (!config.public && (config.ldap || {}).enable) {
authFunction = ldapAuth;
}
var sockets = io(server, {
serveClient: false,
transports: config.transports
});
sockets.on("connect", function(socket) {
if (config.public) {
auth.call(socket);
} else {
init(socket);
}
});
manager.sockets = sockets;
const protocol = config.https.enable ? "https" : "http";
const host = config.host || "*";
log.info(`The Lounge ${colors.green(Helper.getVersion())} is now running \
using node ${colors.green(process.versions.node)} on ${colors.green(process.platform)} (${process.arch})`);
log.info(`Configuration file: ${colors.green(Helper.CONFIG_PATH)}`);
log.info(`Available on ${colors.green(protocol + "://" + host + ":" + config.port + "/")} \
in ${config.public ? "public" : "private"} mode`);
log.info("Press Ctrl-C to stop\n");
if (!config.public) {
if ("autoload" in config) {
log.warn(`Autoloading users is now always enabled. Please remove the ${colors.yellow("autoload")} option from your configuration file.`);
}
manager.autoloadUsers();
}
};
function getClientIp(req) {
var ip;
if (!Helper.config.reverseProxy) {
ip = req.connection.remoteAddress;
} else {
ip = req.headers["x-forwarded-for"] || req.connection.remoteAddress;
}
return ip.replace(/^::ffff:/, "");
}
function allRequests(req, res, next) {
res.setHeader("X-Content-Type-Options", "nosniff");
return next();
}
function index(req, res, next) {
if (req.url.split("?")[0] !== "/") {
return next();
}
return fs.readFile("client/index.html", "utf-8", function(err, file) {
if (err) {
throw err;
}
var data = _.merge(
pkg,
Helper.config
);
data.gitCommit = Helper.getGitCommit();
data.themes = fs.readdirSync("client/themes/").filter(function(themeFile) {
return themeFile.endsWith(".css");
}).map(function(css) {
return css.slice(0, -4);
});
var template = _.template(file);
res.setHeader("Content-Security-Policy", "default-src *; connect-src 'self' ws: wss:; style-src * 'unsafe-inline'; script-src 'self'; child-src 'self'; object-src 'none'; form-action 'none'; referrer no-referrer;");
res.setHeader("Content-Type", "text/html");
res.writeHead(200);
res.end(template(data));
});
}
function init(socket, client) {
if (!client) {
socket.emit("auth", {success: true});
socket.on("auth", auth);
} else {
socket.emit("authorized");
client.ip = getClientIp(socket.request);
socket.on("disconnect", function() {
client.clientDetach(socket.id);
});
client.clientAttach(socket.id);
socket.on(
"input",
function(data) {
client.input(data);
}
);
socket.on(
"more",
function(data) {
client.more(data);
}
);
socket.on(
"conn",
function(data) {
// prevent people from overriding webirc settings
data.ip = null;
data.hostname = null;
client.connect(data);
}
);
if (!Helper.config.public && !Helper.config.ldap.enable) {
socket.on(
"change-password",
function(data) {
var old = data.old_password;
var p1 = data.new_password;
var p2 = data.verify_password;
if (typeof p1 === "undefined" || p1 === "") {
socket.emit("change-password", {
error: "Please enter a new password"
});
return;
}
if (p1 !== p2) {
socket.emit("change-password", {
error: "Both new password fields must match"
});
return;
}
if (!Helper.password.compare(old || "", client.config.password)) {
socket.emit("change-password", {
error: "The current password field does not match your account password"
});
return;
}
var hash = Helper.password.hash(p1);
client.setPassword(hash, function(success) {
var obj = {};
if (success) {
obj.success = "Successfully updated your password, all your other sessions were logged out";
obj.token = client.config.token;
} else {
obj.error = "Failed to update your password";
}
socket.emit("change-password", obj);
});
}
);
}
socket.on(
"open",
function(data) {
client.open(socket.id, data);
}
);
socket.on(
"sort",
function(data) {
client.sort(data);
}
);
socket.on(
"names",
function(data) {
client.names(data);
}
);
socket.join(client.id);
socket.emit("init", {
active: client.lastActiveChannel,
networks: client.networks,
token: client.config.token || null
});
}
}
function reverseDnsLookup(socket, client) {
client.ip = getClientIp(socket.request);
dns.reverse(client.ip, function(err, host) {
if (!err && host.length) {
client.hostname = host[0];
} else {
client.hostname = client.ip;
}
init(socket, client);
});
}
function localAuth(client, user, password, callback) {
if (!client || !password) {
return callback(false);
}
if (!client.config.password) {
log.error(`User ${colors.bold(user)} with no local password set tried to sign in. (Probably a LDAP user)`);
return callback(false);
}
var result = Helper.password.compare(password, client.config.password);
if (result && Helper.password.requiresUpdate(client.config.password)) {
var hash = Helper.password.hash(password);
client.setPassword(hash, function(success) {
if (success) {
log.info(`User ${colors.bold(client.name)} logged in and their hashed password has been updated to match new security requirements`);
}
});
}
return callback(result);
}
function ldapAuth(client, user, password, callback) {
var userDN = user.replace(/([,\\/#+<>;"= ])/g, "\\$1");
var bindDN = Helper.config.ldap.primaryKey + "=" + userDN + "," + Helper.config.ldap.baseDN;
var ldapclient = ldap.createClient({
url: Helper.config.ldap.url
});
ldapclient.on("error", function(err) {
log.error("Unable to connect to LDAP server", err);
callback(!err);
});
ldapclient.bind(bindDN, password, function(err) {
if (!err && !client) {
if (!manager.addUser(user, null)) {
log.error("Unable to create new user", user);
}
}
ldapclient.unbind();
callback(!err);
});
}
function auth(data) {
var socket = this;
var client;
if (Helper.config.public) {
client = new Client(manager);
manager.clients.push(client);
socket.on("disconnect", function() {
manager.clients = _.without(manager.clients, client);
client.quit();
});
if (Helper.config.webirc) {
reverseDnsLookup(socket, client);
} else {
init(socket, client);
}
} else {
client = manager.findClient(data.user, data.token);
var signedIn = data.token && client && data.token === client.config.token;
var token;
if (client && (data.remember || data.token)) {
token = client.config.token;
}
var authCallback = function(success) {
if (success) {
if (!client) {
// LDAP just created a user
manager.loadUser(data.user);
client = manager.findClient(data.user);
}
if (Helper.config.webirc !== null && !client.config.ip) {
reverseDnsLookup(socket, client);
} else {
init(socket, client, token);
}
} else {
socket.emit("auth", {success: success});
}
};
if (signedIn) {
authCallback(true);
} else {
authFunction(client, data.user, data.password, authCallback);
}
}
}