No require any ENV_VAR

package.json

@@ -7,7 +7,7 @@
     "lint-fix": "eslint . --ext .ts --fix",
     "update-client-hash": "node -e \"require('fs').writeFileSync('public/misc/hash.txt', require('randomstring').generate())\"",
     "debug-client": "tsc-watch --project ./public/js-source",
-    "debug-server": "tsc-watch --project ./src --onSuccess \"node --enable-source-maps --use-openssl-ca --unhandled-rejections=strict ./out/index\"",
+    "debug-server": "tsc-watch --project . --onSuccess \"node --enable-source-maps --use-openssl-ca --unhandled-rejections=strict ./out/index\"",
     "debug": "concurrently npm:debug-*",
     "build": "tsc",
     "production": "node --use-openssl-ca --unhandled-rejections=strict ./out/index",

src/app.ts

@@ -5,7 +5,7 @@ import * as path from 'path';
 import * as sassMiddleware from 'node-sass-middleware';
 import * as compression from 'compression';
 import indexRouter from './routes';
-import {HttpLogger, Config, AuthProxy, AutoReloader, Polyfill, Session} from './utils';
+import {AuthProxy, AutoReloader, DefaultConfig, HttpLogger, Polyfill} from './utils';
 
 export const app = express();
 
@@ -13,7 +13,7 @@ export const app = express();
 app.set('views', path.join(__dirname, '../views'));
 app.set('view engine', 'pug');
 app.use((req, res, next) => {
-  res.locals.Config = Config;
+  res.locals.Config = DefaultConfig;
   next();
 });
 
@@ -33,7 +33,7 @@ router.use(AuthProxy.router);
 router.use(AutoReloader.router);
 
 // session
-router.use(Session.getRouter());
+//router.use(Session.getRouter());
 
 // static config
 router.use("/js/polyfill.js", Polyfill.router);
@@ -46,7 +46,7 @@ router.use(sassMiddleware({
 router.use(express.static(path.join(__dirname, '../public')));
 
 router.use(indexRouter);
-app.use(Config.BASE_PATH, router);
+app.use(DefaultConfig.BASE_PATH, router);
 
 // catch 404 and forward to error handler
 app.use((req, res, next) => {
@@ -60,7 +60,7 @@ app.use((err: Error&{status?: number}, req: Request, res: Response, next: NextFu
   }
   // set locals, only providing error in development
   res.locals.message = err.message;
-  res.locals.error = !Config.isProduction ? err : {};
+  res.locals.error = !DefaultConfig.isProduction ? err : {};
 
   // render the error page
   res.status(err.status || 500);

src/healthcheck.ts

@@ -1,12 +1,12 @@
 /* eslint-disable no-process-exit,no-console */
 import * as http from "http";
 import urlJoin from 'proper-url-join';
-import {Config} from './utils';
+import {DefaultConfig} from './utils';
 
 const options = {
-  host: Config.HOSTNAME,
-  port: Config.PORT,
-  path: urlJoin(Config.BASE_PATH, '/health'),
+  host: DefaultConfig.HOSTNAME,
+  port: DefaultConfig.PORT,
+  path: urlJoin(DefaultConfig.BASE_PATH, '/health'),
   timeout: 2000,
 };
 

src/index.ts

@@ -4,12 +4,12 @@
 import * as http from 'http';
 import {app} from './app';
 import {HttpError} from 'http-errors';
-import {Config, Logger} from './utils';
+import {DefaultConfig, Logger} from './utils';
 
-app.set('port', Config.PORT);
+app.set('port', DefaultConfig.PORT);
 const server = http.createServer(app);
 
-app.listen(Config.PORT);
+app.listen(DefaultConfig.PORT);
 server.on('error', onError);
 server.on('listening', onListening);
 
@@ -20,11 +20,11 @@ function onError(error: HttpError): void {
 
 	switch (error.code) {
 		case 'EACCES':
-			Logger.error(Config.PORT + ' requires elevated privileges');
+			Logger.error(DefaultConfig.PORT + ' requires elevated privileges');
 			process.exit(1);
 			break;
 		case 'EADDRINUSE':
-			Logger.error(Config.PORT + ' is already in use');
+			Logger.error(DefaultConfig.PORT + ' is already in use');
 			process.exit(2);
 			break;
 		default:

src/routes/index.ts

@@ -1,7 +1,6 @@
 import * as express from 'express';
 import userRouter from './api/user';
 import healthRouter from './healthcheck';
-import {Config} from '../utils';
 
 const router = express.Router();
 export default router;

src/utils/auth-proxy.ts

@@ -1,21 +1,22 @@
 import {Request, RequestHandler} from 'express';
-import {Config, Logger} from '.';
+import {DefaultConfig, Logger} from '.';
 import {Resolvable} from './helpers/resolvable';
 import fetch from 'node-fetch';
 import {urlJoin} from './helpers/urlJoin';
 
 const router: RequestHandler = (req: Request, res, next) => {
 	const resolvable = new Resolvable(async () => {
-		if (!Config.USERINFO_HEADER) {
+		if (!DefaultConfig.USERINFO_HEADER) {
 			return undefined;
 		}
-		const token = req.header(Config.USERINFO_HEADER);
-		const url = Config.AUTH_PROXY_USERINFO_URL || Config.AUTH_PROXY_URL && urlJoin(Config.AUTH_PROXY_URL, "userinfo");
+		const token = req.header(DefaultConfig.USERINFO_HEADER);
+		const url = DefaultConfig.AUTH_PROXY_USERINFO_URL ||
+			DefaultConfig.AUTH_PROXY_URL && urlJoin(DefaultConfig.AUTH_PROXY_URL, "userinfo");
 		if (token === undefined || url === undefined) {
 			return undefined;
 		}
 		try {
-			const res = await fetch(url, {headers: [[Config.USERINFO_HEADER, token]]});
+			const res = await fetch(url, {headers: [[DefaultConfig.USERINFO_HEADER, token]]});
 			return await res.json() as UserInfo;
 		} catch (e) {
 			Logger.warn(e);
@@ -25,7 +26,8 @@ const router: RequestHandler = (req: Request, res, next) => {
 
 	req.getUserInfo = () => resolvable.resolve();
 	res.initLogout = function() {
-		const url = Config.AUTH_PROXY_INIT_LOGOUT_URL || Config.AUTH_PROXY_URL && urlJoin(Config.AUTH_PROXY_URL, "init-logout");
+		const url = DefaultConfig.AUTH_PROXY_INIT_LOGOUT_URL ||
+			DefaultConfig.AUTH_PROXY_URL && urlJoin(DefaultConfig.AUTH_PROXY_URL, "init-logout");
 		if (url === undefined) {
 			return false;
 		}

src/utils/auto-reload.ts

@@ -1,11 +1,11 @@
 import {Router} from 'express';
-import {Config, Logger} from '.';
+import {DefaultConfig, Logger} from '.';
 import {urlJoin} from './helpers/urlJoin';
 import {v4} from 'uuid';
 import Timeout = NodeJS.Timeout;
 
 const router = Router();
-if (!Config.isProduction) {
+if (!DefaultConfig.isProduction) {
 	let uuid = v4();
 	let updateTimeout: Timeout|undefined = undefined;
 	import("node-watch").then((watch) => {

src/utils/config.ts

@@ -32,10 +32,10 @@ const envs = {
 };
 
 function requireEnv(name: string, onlyInProduction = false): void {
-	env.get(name).required(!onlyInProduction || isProduction);
+	env.get(name).required(!onlyInProduction || isProduction).asString();
 }
 
-export const Config = {
+export const DefaultConfig = {
 	...envs,
 		EXTERNAL_BASE_URL:
 			envs.EXTERNAL_BASE_URL ||

src/utils/index.ts

@@ -1,4 +1,4 @@
-export {Config} from './config';
+export {DefaultConfig} from './config';
 export {Redis} from './redis';
 export {Logger, HttpLogger} from './logging';
 export {AuthProxy} from './auth-proxy';

src/utils/logging.ts

@@ -3,11 +3,11 @@ import {LeveledLogMethod} from 'winston';
 import prune = require('json-prune');
 import {RequestHandler} from 'express';
 import * as colors from 'colors';
-import {Config} from '.';
+import {DefaultConfig} from '.';
 
 
 const logger = winston.createLogger({
-	level: Config.isProduction ? "info" : "silly",
+	level: DefaultConfig.isProduction ? "info" : "silly",
 	format: winston.format.json(),
 	transports: [
 		new winston.transports.Console({

src/utils/permissions.ts

@@ -1,4 +1,5 @@
-import {AccessControl, AccessControlError, IQueryInfo, Permission, Query} from 'role-acl';
+import {AccessControl, AccessControlError, IQueryInfo, Permission} from 'role-acl';
+import {Query} from 'role-acl/lib/src/core/Query';
 import {Request, RequestHandler} from 'express';
 
 // see https://www.npmjs.com/package/role-acl

src/utils/polyfill.ts

@@ -1,6 +1,6 @@
 import {RequestHandler} from 'express';
 import * as polyfillLibrary from 'polyfill-library';
-import {Config, Logger} from '.';
+import {DefaultConfig, Logger} from '.';
 import {PolyfillFeatureList} from 'polyfill-library';
 import {WaitForSync} from './helpers/resolvable';
 import {spawn, Thread, Worker} from 'threads';
@@ -26,7 +26,7 @@ const router: RequestHandler = async (req, res) => {
 	const polyfillBundle = await polyfillLibrary.getPolyfillString({
 		uaString: req.header("user-agent"),
 		features: await features.resolve(),
-		minify: Config.isProduction,
+		minify: DefaultConfig.isProduction,
 		unknown: "polyfill",
 		stream: false,
 	});

src/utils/redis.ts

@@ -1,38 +1,70 @@
 import * as redis from 'redis';
-import {Config} from '.';
+import {DefaultConfig} from '.';
 import {promisify} from 'util';
 
-Config.requireEnv('REDIS_URL', true);
-
-const redisClient = Config.REDIS_URL && redis.createClient({url: Config.REDIS_URL});
-const inMemory: {[key: string]: string} = {};
-
-type RedisType = {
-	client: redis.RedisClient | undefined,
-	get: (key: string) => Promise<string | undefined>,
-	set: (key: string, value: string) => Promise<void>,
-	del: (...keys: string[]) => Promise<void>
+interface RedisType {
+	client: redis.RedisClient | undefined;
+	get(key: string): Promise<string | undefined>;
+	set(key: string, value: string): Promise<void>;
+	del(...keys: string[]): Promise<number>;
 }
 
-export const Redis: RedisType = redisClient ? {
-	client: redisClient,
-	get: (async (key: string) => {
-		const value = await promisify(redisClient.get)(key);
+class RealRedis implements RedisType {
+	private _client: redis.RedisClient|undefined;
+	private _promGet: ((key: string) => Promise<string|null>)|undefined;
+	private _promSet: RedisType["set"]|undefined;
+	private _promDel: RedisType["del"]|undefined;
+
+	get client(): redis.RedisClient {
+		if (this._client !== undefined) return this._client;
+		DefaultConfig.requireEnv('REDIS_URL');
+		this._client = redis.createClient({url: DefaultConfig.REDIS_URL});
+		return this._client;
+	}
+
+	async get(key: string): Promise<string | undefined> {
+		if (!this._promGet) this._promGet = promisify(this.client.get);
+		const value = await this._promGet(key);
 		// eslint-disable-next-line no-null/no-null
 		return value === null ? undefined : value;
-	}),
-	set: promisify(redisClient.set),
-	del: promisify(redisClient.del) as unknown as (...keys: string[]) => Promise<void>,
-} : {
-	client: undefined,
-	get: (async (key: string) => inMemory[key] || undefined),
-	set: (async (key: string, value: string) => {
-		inMemory[key] = value;
-	}),
-	del: (async (...keys: string[]) => {
-		for (const key of keys) {
-			delete inMemory[key];
-		}
-	}),
-};
+	}
+
+	async set(key: string, value: string): Promise<void> {
+		if (!this._promSet) this._promSet = promisify(this.client.set);
+		await this._promSet(key, value);
+	}
+
+	async del(...keys: string[]): Promise<number> {
+		if (!this._promDel) this._promDel = promisify(this.client.del);
+		return await this._promDel(...keys);
+	}
+}
+
+class MockRedis implements RedisType {
+	private inMemory: {[key: string]: string} = {};
+
+	get client(): undefined {
+		return undefined;
+	}
+
+	async get(key: string): Promise<string | undefined> {
+		return this.inMemory[key] || undefined;
+	}
+
+	async set(key: string, value: string): Promise<void> {
+		this.inMemory[key] = value;
+	}
+
+	async del(...keys: string[]): Promise<number> {
+		for (const key of keys) {
+			delete this.inMemory[key];
+		}
+		return keys.length;
+	}
+}
+
+export const Redis: RedisType =
+	DefaultConfig.REDIS_URL || DefaultConfig.isProduction
+	? new RealRedis()
+	: new MockRedis();
 

src/utils/session.ts

@@ -1,21 +1,22 @@
 import {Store} from 'express-session';
-import {Redis, Config} from '.';
+import {Redis, DefaultConfig} from '.';
 import * as redisStore from "connect-redis";
 import * as session from 'express-session';
 import {RequestHandler} from 'express';
 
-Config.requireEnv('SESSION_SECRET', true);
+
 
 let sessionStore: Store|undefined = undefined;
 
 function getRouter(options?: Partial<session.SessionOptions>): RequestHandler {
+	DefaultConfig.requireEnv('SESSION_SECRET', true);
 	if (Redis.client && sessionStore !== undefined) {
 		const RedisStore = redisStore(session);
 		sessionStore = new RedisStore({client: Redis.client});
 	}
 	return session({
 		store: sessionStore,
-		secret: Config.SESSION_SECRET || 'keyboard cat',
+		secret: DefaultConfig.SESSION_SECRET || 'keyboard cat',
 		resave: false,
 		saveUninitialized: true,
 		cookie: {secure: false},

views/layout.pug

@@ -1,4 +1,4 @@
-- const baseUrl = Config.EXTERNAL_BASE_URL;
+- const baseUrl = DefaultConfig.EXTERNAL_BASE_URL;
 doctype html
 html
   head
@@ -13,5 +13,5 @@ html
       require(['src/index'], function (index) {
         index.setConfig({EXTERNAL_BASE_URL: '#{baseUrl}'});
       });
-    if !Config.isProduction
+    if !DefaultConfig.isProduction
       script(type='text/javascript', src=baseUrl+'/auto-reload/client.js')