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app.js
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106 lines (89 loc) · 3.71 KB
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var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser'); //bodyParser中间件用来解析http请求体
var routes = require('./routes/index');
var settings = require('./settings.js');
// var users = require('./routes/users');
var flash = require("connect-flash");
var session = require('express-session'); //express session中间件
var MongoStore = require('connect-mongo')(session); //mongo session中间件
var mongoose = require('mongoose');
// 日志记录
var fs = require('fs');
var accessLog = fs.createWriteStream('access.log', { flags: 'a' });
var errorLog = fs.createWriteStream('error.log', { flags: 'a' });
//github登录
var passport = require('passport'),
GithubStrategy = require('passport-github').Strategy;
var app = express(); // 生成一个express实例app
app.set('port', process.env.PORT || 3000);
app.set('views', path.join(__dirname, 'views')); //设置views文件夹为存放视图的文件夹。
app.set('view engine', 'ejs'); //设置视图模版引擎为ejs
app.use(flash());
app.use(favicon(path.join(__dirname, 'public/images', 'favicon.ico')));
app.use(logger('dev')); //加载日志中间件
app.use(logger({ stream: accessLog }));
app.use(bodyParser.json()); //加载json的中间件
app.use(bodyParser.urlencoded({ extended: false })); //加载解析urlencoded请求体的中间件
app.use(cookieParser()); //加载解析cookie的中间件
app.use(session({
resave: false, //添加这行
saveUninitialized: true, //添加这行
secret: settings.cookieSecret,
key: settings.db, //cookie name
cookie: { maxAge: 1000 * 60 * 60 * 24 * 30 }, //30 days
store: new MongoStore({
url: 'mongodb://localhost/blog',
db: settings.db,
host: settings.host,
port: settings.port
})
}));
app.use(express.static(path.join(__dirname, 'public'))); //设置public文件夹为存放静态文件的文件夹
app.use(function(err, req, res, next) {
var meta = '[' + new Date() + '] ' + req.url + '\n';
errorLog.write(meta + err.stack + '\n');
next();
});
app.use(passport.initialize()); //初始化 Passport
routes(app);
app.listen(app.get('port'), function() {
console.log('服务器已启动,端口号:' + app.get('port'));
});
// app.use('/users', users);//路由控制器
// // 捕获404错误,并转发到错误处理器
// app.use(function(req, res, next) {
// var err = new Error('Not Found');
// err.status = 404;
// next(err);
// });
//定义了一个 Passport 策略,并尝试从 GitHub 获得授权,从 GitHub 登陆并授权成功后以跳转到 callbackURL 并以 JSON 形式返回用户的一些相关信息,并将这些信息存储在 req.user 中。
passport.use(new GithubStrategy({
clientID: "db38d1309d744ba0c5a8",
clientSecret: "60bfb1caf1b0e32311c29b056ffb270f4b73256d",
callbackURL: "http://localhost:3000/login/github/callback"
}, function(accessToken, refreshToken, profile, done) {
done(null, profile);
}));
//开发环境下的错误信息,将错误信息渲染error模版并显示到浏览器中
if (app.get('env') === 'development') {
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}
// //生产环境下的错误信息,将错误信息渲染error模版并显示到浏览器中
// app.use(function(err, req, res, next) {
// res.status(err.status || 500);
// res.render('error', {
// message: err.message,
// error: {}
// });
// });
// module.exports = app;//导出app实例供其他模块使用