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app.js
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app.js
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/*
* app.js
*/
var config = require('./config')
require('colors'); //给控制台输出加上颜色。
var path = require("path");
var Loader = require("loader");
var express = require("express");
var errorhandler = require('errorhandler');
var session = require('express-session');
var passport = require("passport");
require('./models');
var router = require("./router")
var auth = require('./middlewares/auth');
var errorPageMiddleware = require("./middlewares/error_page");
var MongoStore = require('connect-mongo')(session);
var _ = require('lodash');
var csurf = require('csurf');
var compress = require('compression');
var bodyParser = require('body-parser');
var requestLog = require('./middlewares/request_log');
var errorhandler = require('errorhandler');
var renderMiddleware = require('./middlewares/render');
var logger = require("./common/logger");
var busboy = require('connect-busboy');
// 静态文件目录
var staticDir = path.join(__dirname, 'public');
var exphbs = require('express-handlebars');
var mongoose = require('mongoose');
var urlinfo = require('url').parse(config.host);
config.hostname = urlinfo.hostname || config.host;
var app = express();
// configuration in all env
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'html');
app.engine('html', require('ejs-mate'));
app.locals._layoutFile = 'layout.html';
app.enable('trust proxy');
// Request logger 请求时间
app.use(requestLog);
if (config.debug) {
// log页面渲染时间
app.use(renderMiddleware.render);
}
// 静态资源
app.use(Loader.less(__dirname)); //拦截less请求,把less解析成css
app.use('/public', express.static(staticDir));
// 每日访问限制
app.use(require('response-time')()); //记录响应时间
app.use(bodyParser.json({limit: '1mb'})); //限制post请求的req.body大小为1M以下
app.use(bodyParser.urlencoded({ extended: true, limit: '1mb' })); //限制get请求的req.body大小为1M以下
app.use(require('method-override')()); //重写http请求的方法(post、get、put、delete)
var cookieParser = require('cookie-parser')(config.session_secret);
app.use(cookieParser);
app.use(compress());
var session = session({
secret: config.session_secret,
store: new MongoStore({
url: config.db
}),
resave: true,
saveUninitialized: true,
})
app.use(session);
// custom middleware
app.use(auth.authUser); //验证用户是否登录
// app.use(auth.blockUser());
if (!config.debug) {
app.use(function (req, res, next) {
if (req.path.indexOf('/api') === -1) { //如果不是对外提供接口,就进行CSRF防御
csurf()(req, res, next);
return;
}
next();
});
app.set('view cache', true);
}
// set static, dynamic helpers
_.extend(app.locals, {
config: config
});
app.use(errorPageMiddleware.errorPage);
// _.extend(app.locals, require('./common/render_helper'));
app.use(function (req, res, next) {
res.locals.csrf = req.csrfToken ? req.csrfToken() : '';
next();
});
app.use(busboy({
limits: {
fileSize: 10 * 1024 * 1024 // 10MB
}
}));
app.use('/', router);
// error handler
if (config.debug) {
app.use(errorhandler());
} else {
app.use(function (err, req, res, next) {
console.error('server 500 error:', err);
return res.status(500).send('500 status');
});
}
// 配置socket.io
var server = require('http').Server(app);
var io = require('socket.io')(server);
server.listen(config.port, function () {
logger.log("NodeClub listening on port %d", config.port);
logger.log("God bless love....");
logger.log("You can debug your app with http://" + config.host + ':' + config.port);
logger.log("");
});
io.use(function(socket, next) {
session(socket.handshake, {}, next);
});
require('./controllers/socket_server.js').chat(io);
module.exports = app;