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import * as express from 'express';
import * as expressValidator from 'express-validator';
import * as session from 'express-session';
import * as passport from 'passport';
import * as bodyParser from 'body-parser';
import * as cookieParser from 'cookie-parser';
import expressFlash = require('express-flash');
import flash = require('connect-flash');
import { Database } from './database';
import { getForgot, getLogin, getLogout, getReset, getSignup, postForgot, postLogin, postReset, postSignup } from './authentication/controllers/user_controller';
const MongoStore = require('connect-mongo')(session);
import RouteManager from './RouteManager';
import * as webpack from 'webpack';
const config = require('../../webpack.config');
const compiler = webpack(config);
import * as wdm from 'webpack-dev-middleware';
import * as whm from 'webpack-hot-middleware';
import * as fs from 'fs';
import * as request from 'request';
import RouteSubscriber from './RouteSubscriber';
import { publicDirectory } from '.';
import { logPort, } from './ActionUtilities';
import { timeMap } from './ApiManagers/UserManager';
import { blue, yellow } from 'colors';
import * as cors from "cors";
/* RouteSetter is a wrapper around the server that prevents the server
from being exposed. */
export type RouteSetter = (server: RouteManager) => void;
export let disconnect: Function;
export default async function InitializeServer(routeSetter: RouteSetter) {
const app = buildWithMiddleware(express());
app.use(express.static(publicDirectory, {
setHeaders: res => res.setHeader("Access-Control-Allow-Origin", "*")
}));
app.use("/images", express.static(publicDirectory));
const corsOptions = {
origin: function (_origin: any, callback: any) {
callback(null, true);
}
};
app.use(cors(corsOptions));
app.use("*", ({ user, originalUrl }, res, next) => {
if (user && !originalUrl.includes("Heartbeat")) {
const userEmail = (user as any).email;
if (userEmail) {
timeMap[userEmail] = Date.now();
}
}
if (!user && originalUrl === "/") {
return res.redirect("/login");
}
next();
});
app.use(wdm(compiler, { publicPath: config.output.publicPath }));
app.use(whm(compiler));
registerAuthenticationRoutes(app);
registerCorsProxy(app);
const isRelease = determineEnvironment();
routeSetter(new RouteManager(app, isRelease));
const serverPort = isRelease ? Number(process.env.serverPort) : 1050;
const server = app.listen(serverPort, () => {
logPort("server", Number(serverPort));
console.log();
});
disconnect = async () => new Promise<Error>(resolve => server.close(resolve));
return isRelease;
}
const week = 7 * 24 * 60 * 60 * 1000;
const secret = "64d6866242d3b5a5503c675b32c9605e4e90478e9b77bcf2bc";
function buildWithMiddleware(server: express.Express) {
[
cookieParser(),
session({
secret,
resave: true,
cookie: { maxAge: week },
saveUninitialized: true,
store: process.env.DB === "MEM" ? new session.MemoryStore() : new MongoStore({ url: Database.url })
}),
flash(),
expressFlash(),
bodyParser.json({ limit: "10mb" }),
bodyParser.urlencoded({ extended: true }),
expressValidator(),
passport.initialize(),
passport.session(),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
res.locals.user = req.user;
next();
}
].forEach(next => server.use(next));
return server;
}
/* Determine if the enviroment is dev mode or release mode. */
function determineEnvironment() {
const isRelease = process.env.RELEASE === "true";
const color = isRelease ? blue : yellow;
const label = isRelease ? "release" : "development";
console.log(`\nrunning server in ${color(label)} mode`);
let clientUtils = fs.readFileSync("./src/client/util/ClientUtils.ts.temp", "utf8");
clientUtils = `//AUTO-GENERATED FILE: DO NOT EDIT\n${clientUtils.replace('"mode"', String(isRelease))}`;
fs.writeFileSync("./src/client/util/ClientUtils.ts", clientUtils, "utf8");
return isRelease;
}
function registerAuthenticationRoutes(server: express.Express) {
server.get("/signup", getSignup);
server.post("/signup", postSignup);
server.get("/login", getLogin);
server.post("/login", postLogin);
server.get("/logout", getLogout);
server.get("/forgotPassword", getForgot);
server.post("/forgotPassword", postForgot);
const reset = new RouteSubscriber("resetPassword").add("token").build;
server.get(reset, getReset);
server.post(reset, postReset);
}
function registerCorsProxy(server: express.Express) {
const headerCharRegex = /[^\t\x20-\x7e\x80-\xff]/;
server.use("/corsProxy", (req, res) => {
req.pipe(request(decodeURIComponent(req.url.substring(1)))).on("response", res => {
const headers = Object.keys(res.headers);
headers.forEach(headerName => {
const header = res.headers[headerName];
if (Array.isArray(header)) {
res.headers[headerName] = header.filter(h => !headerCharRegex.test(h));
} else if (header) {
if (headerCharRegex.test(header as any)) {
delete res.headers[headerName];
}
}
});
}).pipe(res);
});
}
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