125 lines
4.2 KiB
JavaScript
125 lines
4.2 KiB
JavaScript
const express = require('express');
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const settings = require('../settings.json');
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const { Client } = require('pg');
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const session = require('express-session');
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const dotenv = require('dotenv');
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const MemoryStore = require('memorystore')(session);
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const fs = require('fs');
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const bcrypt = require('bcryptjs');
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const app = express();
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dotenv.config({ path: './web.env' });
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const db = new Client({
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user: process.env.DB_USER,
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host: "127.0.0.1",
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database: process.env.DB_NAME,
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password: process.env.DB_PASS,
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port: 5432
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});
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db.connect((error) => {
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if (error) console.log(error);
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else console.log("Database connected");
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db.query('SELECT to_regclass(\'admins\');', (err, res) => {
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if(res.rows[0].to_regclass != "admins") init();
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})
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})
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const init = async () => {
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let initSQL = fs.readFileSync("./database_schematic.pgsql").toString();
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console.log("No tables found, assuming first run, creating database scheme");
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db.query(initSQL, (err, res) => {
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if (err) console.log(err);
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});
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let adminPassword = Math.random().toString(36).slice(-8);
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let passwordHash = await bcrypt.hash(adminPassword, 8);
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console.log(`Creating admin account with credentials: admin:${adminPassword}`);
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db.query("INSERT INTO priveleges (privelege_name, access_level) VALUES ('admin', 100)");
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db.query("INSERT INTO admins (login, password_hash, privelege_name) VALUES ('admin', $1, 'admin')", [passwordHash])
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}
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let tokens = {};
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app.set('views','/usr/share/dach/public');
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app.use(express.static('public'));
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app.set('view engine', 'ejs');
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app.use(express.urlencoded({ extended: true }))
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app.use(express.json())
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app.use(session({
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secret: process.env.SESSION_SECRET,
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store: new MemoryStore({
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checkPeriod: 86400000
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}),
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resave: false,
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saveUninitialized: false,
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cookie: { maxAge: 1000*60*60*24 }
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}));
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app.get('/', (req, res) => {
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res.render('index');
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});
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app.get('/api/getBoards', async (req, res) => {
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let queryRes = await db.query('SELECT * FROM boards');
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res.setHeader('Content-Type', 'application/json');
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res.end(JSON.stringify(queryRes.rows));
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});
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app.post('/api/login', async (req, res) => {
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const { login, password } = req.body;
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if (!(login && password)) return res.status(401).send("Не указан логин или пароль");
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queryRes = await db.query('SELECT * FROM admins WHERE login = $1', [login])
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if (queryRes.rowCount == 0) return res.status(401).send("Такого лоигна нет");
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let hashedPassword = queryRes.rows[0].password_hash;
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bcrypt.compare(password, hashedPassword, (err, result) => {
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if (!result) return res.status(403).send("Пароли не совпадают");
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let currentSession = req.session;
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currentSession.login = login;
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if (!tokens[login]) {
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let token = Math.random().toString(26).slice(2); // ONLY IN DEV MODE
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tokens[login] = token;
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currentSession.token = token;
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console.log(token);
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}
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res.redirect("/index");
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});
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});
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app.post('/api/createBoard', async (req, res) => {
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const { boardId, boardName } = req.body;
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let login, token;
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try {
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let currentSession = req.session;
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token = currentSession.token;
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login = currentSession.login;
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} catch (err) {
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console.log(err);
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}
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if (token != tokens[login] || !token) return res.status(403).send("Невалидный токен");
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console.log(`Admin ${login} is creating new board: ${boardId}, ${boardName}`);
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let queryRes = await db.query('SELECT * FROM boards WHERE board_id = $1::text', [boardId]);
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if (boardId.length == 0 || boardId.length > 5) return res.status(401).send("Неверный размер URI борды");
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if (boardName.length == 0 || boardName.length > 32) return res.status(401).send("Неверный размер имени борды");
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if (queryRes.rowCount > 0) return res.status(401).send("Такая борда уже существует.");
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await db.query('INSERT INTO boards (board_id, board_name) VALUES ($1, $2)', [boardId, boardName]);
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return res.status(200).send("Борда успешно создана");
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});
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app.listen(settings.port, () => {
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console.log("App started");
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}); |