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| const fs = require('fs')
const express = require('express')
const bodyParser = require('body-parser')
const lodash = require('lodash')
const session = require('express-session')
const randomize = require('randomatic')
const mysql = require('mysql')
const mysqlConfig = require("./config/mysql")
const ejs = require('ejs')
const pool = mysql.createPool(mysqlConfig)
const app = express()
app.use(bodyParser.urlencoded({extended: true})).use(bodyParser.json())
app.use('/static', express.static('static'))
app.use(session({
name: 'session',
secret: randomize('aA0', 16),
resave: false,
saveUninitialized: false
}))
function setHeader(req,res,next){
res.set({
"X-DNS-Prefetch-Control":"off",
"X-Frame-Options": "SAMEORIGIN",
"X-Download-Options": "noopen",
"X-Content-Type-Options": "nosniff"
});
next();
}
app.use(setHeader);
app.set('json escape',true)
app.set('views', './views')
app.set('view engine', 'ejs')
function auth(req,res,next){
if(!req.session.login || !req.session.userid ){
res.redirect(302,"/login");
} else{
next();
}
}
let query = function( sql, values ) {
return new Promise(( resolve, reject ) => {
pool.getConnection(function(err, connection) {
if (err) {
reject( err )
} else {
connection.query(sql, values, ( err, rows) => {
if ( err ) {
reject( err )
} else {
resolve( rows )
}
connection.release()
})
}
})
})
}
app.get("/",auth,function(req,res,next){
res.render('index');
})
app.get("/sandbox",auth,function(req,res,next){
res.render("sandbox");
})
app.all('/login',async function(req,res,next){
if( req.method == 'POST' ){
if(req.body.username && req.body.password){
var username = req.body.username;
var password = req.body.password;
var sql = "select id from `user` where username=? and password=?";
let dataList = await query( sql,[username,password])
if(dataList.length == 0){
res.send("<script> alert('用户名或密码错误.'); location.replace('/login'); </script>");
return ;
}
console.log(dataList);
req.session.userid = dataList[0].id ;
req.session.login = true ;
res.redirect(302,"/");
return ;
}
}
res.render('login_register',{
title:" storeHtml | logins ",
buttonHintF:"登 录",
buttonHintS:"没有账号?",
hint:"登录",
next:"/register"
});
});
app.all('/register',async function(req,res,next){
console.log(req.body);
if( req.method == 'POST' ){
if(req.body.username && req.body.password){
var username = req.body.username;
var password = req.body.password;
var sql = "select id from `user` where username=?";
let dataList = await query( sql,[username])
if(dataList.length>0){
res.send("<script>alert('用户名重复'); location.replace('/register');</script>");
return ;
}
var sql = "insert into `user` (`username`,`password`) values (?,?) ";
let result = await query( sql,[username,password]);
console.log(result);
if(result.affectedRows>0){
res.send("<script>alert('注册成功');location.replace('/login');</script>")
return;
}else{
res.send("<script>alert('注册失败');</script>");
return;
}
}
}
res.render('login_register',{
title:" storeHtml | register ",
buttonHintF:"注 册",
buttonHintS:"已有账号?",
hint:"注册",
next:"/login"
});
});
app.get("/get",auth,async function(req,res,next){
var userid = req.session.userid ;
var sql = "select count(*) count from `html` where userid= ?"
var dataList = await query(sql,[userid]);
if(dataList[0].count == 0 ){
res.json({})
}else if(dataList[0].count > 5) {
console.log("Merge the recorder in the database.");
var sql = "select `id`,`dom` from `html` where userid=? ";
var raws = await query(sql,[userid]);
var doms = {}
var ret = new Array();
for(var i=0;i<raws.length ;i++){
lodash.defaultsDeep(doms,JSON.parse( raws[i].dom ));
var sql = "delete from `html` where id = ?";
var result = await query(sql,raws[i].id);
}
var sql = "insert into `html` (`userid`,`dom`) values (?,?) ";
var result = await query(sql,[userid, JSON.stringify(doms) ]);
if(result.affectedRows > 0){
ret.push(doms);
res.json(ret);
}else{
res.json([{}]);
}
}else {
console.log("Return recorder is less than 5,so return it without merge.");
var sql = "select `dom` from `html` where userid=? ";
var raws = await query(sql,[userid]);
var ret = new Array();
for( var i =0 ;i< raws.length ; i++){
ret.push(JSON.parse( raws[i].dom ));
}
console.log(ret);
res.json(ret);
}
});
app.post("/add",auth,async function(req,res,next){
if(req.body.type && req.body.content){
var newContent = {}
var userid = req.session.userid;
newContent[req.body.type] = [ req.body.content ]
console.log("newContent:",newContent);
var sql = "insert into `html` (`userid`,`dom`) values (?,?) ";
var result = await query(sql,[userid, JSON.stringify(newContent) ]);
if(result.affectedRows > 0){
res.json(newContent);
}else{
res.json({});
}
}
});
var server = app.listen(80, function() {
console.log('Listening on port %d', server.address().port);
});
|
