remove hotswap (#6835)

src/hotswap.js

@@ -1,34 +0,0 @@
-'use strict';
-
-var HotSwap = {};
-var winston = require('winston');
-var stack;
-
-HotSwap.prepare = function (app) {
-	stack = app._router.stack;
-};
-
-HotSwap.find = function (id) {
-	if (stack) {
-		for (var x = 0, numEntries = stack.length; x < numEntries; x += 1) {
-			if (stack[x].handle.hotswapId === id) {
-				return x;
-			}
-		}
-	} else {
-		winston.error('[hotswap] HotSwap module has not been prepared!');
-	}
-};
-
-HotSwap.replace = function (id, router) {
-	var idx = HotSwap.find(id);
-	if (idx) {
-		delete stack[idx].handle;	// Destroy the old router
-		stack[idx].handle = router;	// Replace with the new one
-		winston.verbose('[hotswap] Router with id `' + id + '` replaced successfully');
-	} else {
-		winston.warn('[hotswap] Could not find router in stack with hotswapId `' + id + '`');
-	}
-};
-
-module.exports = HotSwap;

src/plugins.js

@@ -5,11 +5,8 @@ var path = require('path');
 var async = require('async');
 var winston = require('winston');
 var semver = require('semver');
-var express = require('express');
 var nconf = require('nconf');
 
-var hotswap = require('./hotswap');
-
 var app;
 var middleware;
 
@@ -53,7 +50,6 @@ Plugins.init = function (nbbApp, nbbMiddleware, callback) {
 	if (nbbApp) {
 		app = nbbApp;
 		middleware = nbbMiddleware;
-		hotswap.prepare(nbbApp);
 	}
 
 	if (global.env === 'development') {
@@ -116,14 +112,7 @@ Plugins.reload = function (callback) {
 	], callback);
 };
 
-Plugins.reloadRoutes = function (callback) {
+Plugins.reloadRoutes = function (router, callback) {
-	var router = express.Router();
-
-	router.hotswapId = 'plugins';
-	router.render = function () {
-		app.render.apply(app, arguments);
-	};
-
 	var controllers = require('./controllers');
 	Plugins.fireHook('static:app.load', { app: app, router: router, middleware: middleware, controllers: controllers }, function (err) {
 		if (err) {
@@ -131,7 +120,6 @@ Plugins.reloadRoutes = function (callback) {
 			return callback(err);
 		}
 
-		hotswap.replace('plugins', router);
 		winston.verbose('[plugins] All plugins reloaded and rerouted');
 		callback();
 	});

src/routes/authentication.js

@@ -5,11 +5,9 @@ var passport = require('passport');
 var passportLocal = require('passport-local').Strategy;
 var nconf = require('nconf');
 var winston = require('winston');
-var express = require('express');
 
 var controllers = require('../controllers');
 var plugins = require('../plugins');
-var hotswap = require('../hotswap');
 
 var loginStrategies = [];
 
@@ -42,10 +40,7 @@ Auth.getLoginStrategies = function () {
 	return loginStrategies;
 };
 
-Auth.reloadRoutes = function (callback) {
+Auth.reloadRoutes = function (router, callback) {
-	var router = express.Router();
-	router.hotswapId = 'auth';
-
 	loginStrategies.length = 0;
 
 	if (plugins.hasListeners('action:auth.overrideLogin')) {
@@ -87,12 +82,10 @@ Auth.reloadRoutes = function (callback) {
 
 			router.post('/register', Auth.middleware.applyCSRF, Auth.middleware.applyBlacklist, controllers.authentication.register);
 			router.post('/register/complete', Auth.middleware.applyCSRF, Auth.middleware.applyBlacklist, controllers.authentication.registerComplete);
-			// router.get('/register/abort', controllers.authentication.registerAbort);
 			router.post('/register/abort', controllers.authentication.registerAbort);
 			router.post('/login', Auth.middleware.applyCSRF, Auth.middleware.applyBlacklist, controllers.authentication.login);
 			router.post('/logout', Auth.middleware.applyCSRF, controllers.authentication.logout);
 
-			hotswap.replace('auth', router);
 			next();
 		},
 	], callback);

src/routes/index.js

@@ -86,35 +86,22 @@ function groupRoutes(app, middleware, controllers) {
 	setupPageRoute(app, '/groups/:slug/members', middleware, middlewares, controllers.groups.members);
 }
 
-module.exports = function (app, middleware, hotswapIds, callback) {
+module.exports = function (app, middleware, callback) {
 	var routers = [
 		express.Router(),	// plugin router
 		express.Router(),	// main app router
 		express.Router(),	// auth router
 	];
-	var router = routers[1];
 	var pluginRouter = routers[0];
-	var authRouter = routers[2];
-	var relativePath = nconf.get('relative_path');
-	var ensureLoggedIn = require('connect-ensure-login');
-
-	var idx;
-	var x;
-
-	if (Array.isArray(hotswapIds) && hotswapIds.length) {
-		for (x = 0; x < hotswapIds.length; x += 1) {
-			idx = routers.push(express.Router()) - 1;
-			routers[idx].hotswapId = hotswapIds[x];
-		}
-	}
-
 	pluginRouter.render = function () {
 		app.render.apply(app, arguments);
 	};
 
-	// Set-up for hotswapping (when NodeBB reloads)
+	var router = routers[1];
-	pluginRouter.hotswapId = 'plugins';
+	var authRouter = routers[2];
-	authRouter.hotswapId = 'auth';
+
+	var relativePath = nconf.get('relative_path');
+	var ensureLoggedIn = require('connect-ensure-login');
 
 	app.all(relativePath + '(/+api|/+api/*?)', middleware.prepareAPI);
 	app.all(relativePath + '(/+api/admin|/+api/admin/*?)', middleware.isAdmin);
@@ -143,9 +130,9 @@ module.exports = function (app, middleware, hotswapIds, callback) {
 	userRoutes(router, middleware, controllers);
 	groupRoutes(router, middleware, controllers);
 
-	for (x = 0; x < routers.length; x += 1) {
+	routers.forEach((router) => {
-		app.use(relativePath || '/', routers[x]);
+		app.use(relativePath || '/', router);
-	}
+	});
 
 	if (process.env.NODE_ENV === 'development') {
 		require('./debug')(app, middleware, controllers);
@@ -180,8 +167,8 @@ module.exports = function (app, middleware, hotswapIds, callback) {
 
 	// Add plugin routes
 	async.series([
-		async.apply(plugins.reloadRoutes),
+		async.apply(plugins.reloadRoutes, pluginRouter),
-		async.apply(authRoutes.reloadRoutes),
+		async.apply(authRoutes.reloadRoutes, authRouter),
 		async.apply(user.addInterstitials),
 		function (next) {
 			winston.info('Routes added');

src/webserver.js

@@ -120,10 +120,7 @@ function initializeNodeBB(callback) {
 			}, next);
 		},
 		function (next) {
-			plugins.fireHook('filter:hotswap.prepare', [], next);
+			routes(app, middleware, next);
-		},
-		function (hotswapIds, next) {
-			routes(app, middleware, hotswapIds, next);
 		},
 		meta.sounds.addUploads,
 		meta.blacklist.load,