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const express = require('express');
const bodyParser = require('body-parser');
const cookieParser = require('cookie-parser');
const request = require('request');
const crypto = require('crypto');
const uuidv4 = require('uuid/v4');
const path = require('path');
const Op = require('sequelize').Op;
const multer = require('multer');
var storage = multer.diskStorage({
destination: function (req, file, cb) {
cb(null, __dirname+'/uploads/')
},
filename: function (req, file, cb) {
var ext = "";
if (file.originalname.includes(".")) {
ext = "." + file.originalname.split(".")[1];
}
return cb(null, 'img-' + Date.now() + ext)
}
})
var upload = multer({ storage: storage })
const server = express();
server.use(cookieParser())
server.use(bodyParser.urlencoded({ extended: true }));
async function addImagesAndTagsToPosts(models, posts) {
for (const post of posts) {
const images = await models.pictures.findAll({ attributes: ["source"], where: { postId: post.id } }).map(x => x.source);
post.images = images;
const tags = await models.tags.findAll({ attributes: ["text"], where: { postId: post.id } }).map(x => x.text);
post.tags = tags;
}
}
function listen(port) {
server.listen(port, () => console.info(`Listening on port ${port}!`));
}
function hashWithSalt(password, salt){
var hash = crypto.createHmac('sha512', salt);
hash.update(password);
return hash.digest("base64");
};
function setUpRoutes(models, jwtFunctions, database) {
// Authentication routine
server.use(function (req, res, next) {
if (req.path.toLowerCase().startsWith("/admin")) {
let cookie = req.cookies.authorization
if (!cookie) {
console.debug("Redirecting to login - no cookie")
res.redirect('/login');
return;
}
try {
const decryptedUserId = jwtFunctions.verify(cookie);
models.users.findOne({ where: { username: decryptedUserId } }).then((user, error) => {
if (user) {
res.locals.user = user.get({ plain: true });
} else {
console.debug("Redirecting to login - invalid cookie")
res.redirect('/login');
return;
}
});
} catch (e) {
res.status(400).send(e.message);
}
}
next();
})
// Route logging
server.use(function (req, res, next) {
let cookie = req.cookies.session;
if (!cookie) {
cookie = uuidv4();
res.cookie('session', cookie, { expires: new Date(Date.now() + (1000 * 60 * 60)) });
}
models.requests.create({
createdAt: new Date(), session: cookie, method: req.method, url: req.originalUrl
});
next()
})
server.get('/', (req, res) => res.sendFile(__dirname + "/html/index.html"))
server.get('/index', (req, res) => res.sendFile(__dirname + "/html/index.html"))
server.get('/admin', (req, res) => res.sendFile(__dirname + "/html/admin.html"));
server.get('/login', (req, res) => res.sendFile(__dirname + "/html/login.html"))
server.get('/email', (req, res) => res.sendFile(__dirname + "/html/email.html"))
server.get('/bread', (req, res) => res.sendFile(__dirname + "/html/bread.html"));
server.get('/blog', (req, res) => res.sendFile(__dirname + "/html/blog.html"));
server.get('/tags', (req, res) => res.sendFile(__dirname + "/html/tags.html"));
server.get('/feed', (req, res) => res.sendFile(__dirname + "/html/feed.html"));
server.get('/essay', (req, res) => res.sendFile(__dirname + "/html/essay.html"));
server.get('/snake', (req, res) => res.sendFile(__dirname + "/html/snake.html"));
server.get('/word-square', (req, res) => res.sendFile(__dirname + "/html/word-square.html"));
server.get('/wordsquares/best', async (req, res, next) => {
var best = await database.query("select words, name from wordsquares where best = 1", { type: database.QueryTypes.SELECT })
res.status(200).send({ best: best });
})
server.get('/setScore', (req, res) => {
request(`http://localhost:8000?${req.url.split("?")[1]}`, function (error, response, body) {
});
})
server.get('/admin/stats', async (req, res, next) => {
try {
var sessionResult = await database.query("SELECT session, count(id) as c FROM requests GROUP BY session HAVING c > 1", { type: database.QueryTypes.SELECT })
var total = await database.query("select count(distinct session) as t FROM requests", { type: database.QueryTypes.SELECT })
var urlResult = await database.query("SELECT method, url, count(id) as c FROM requests GROUP BY method, url", { type: database.QueryTypes.SELECT })
var logResult = await database.query("SELECT createdAt, session, method, url FROM requests order by createdAt desc limit 15", { type: database.QueryTypes.SELECT })
res.status(200).send({ total: total[0].t, session: sessionResult, url: urlResult, log: logResult });
next();
} catch (e) {
res.status(400).send(e.message);
}
})
server.get('/blog/:id', async (req, res, next) => {
res.sendFile(__dirname + "/html/blog-single.html");
})
server.get('/tags/:name', async (req, res, next) => {
console.log("TAGS/NAME");
try {
const { name } = req.params;
const postsWithTag = await models.tags.findAll({ attributes: ["postId"], where: { text: name } })
.map(function (x) {
return { id: x.postId }
});
var posts = await models.posts.findAll({
where: { [Op.or]: postsWithTag }, order: [['createdAt', 'DESC']]
});
posts = posts.map(x => x.get({ plain: true }));
await addImagesAndTagsToPosts(models, posts)
console.log(posts);
res.status(200).send(posts);
next();
} catch (e) {
console.error(e);
res.status(400).send(e.message);
}
})
server.get('/posts/:type', async (req, res, next) => {
try {
const { type } = req.params;
var posts = await models.posts.findAll({
where: { type: type }, order: [['createdAt', 'DESC']]
});
posts = posts.map(x => x.get({ plain: true }));
await addImagesAndTagsToPosts(models, posts)
res.status(200).send(posts);
next();
} catch (e) {
res.status(400).send(e.message);
}
})
server.post('/posts', upload.array('images'), async (req, res, next) => {
try {
const type = req.body.type
const newPost = await models.posts.create(req.body);
req.files.forEach(async (file) => {
await models.pictures.create({ "source": "uploads/" + file.filename, "postId": newPost.id });
console.log("uploaded ", file.path);
})
req.body.tags.split(" ").forEach(async (tag) => {
await models.tags.create({ "text": tag, "postId": newPost.id });
})
console.log(newPost);
res.redirect(`/${type}`);
next();
} catch (e) {
res.status(400).send(e.message);
}
})
server.post('/login', async (req, res, next) => {
const user = await models.users.findOne({ where: { username: req.body.username} })
const hash = hashWithSalt(req.body.password, user.salt)
if (user.password == hash) {
const token = jwtFunctions.sign(user.username);
res.cookie('authorization', token, { expires: new Date(Date.now() + (1000 * 60 * 60)) });
console.debug("Redirecting to admin - logged in")
res.redirect('/admin');
} else {
console.debug("Redirecting to login - invalid login")
res.redirect('/login');
}
})
server.post('/email', async (req, res, next) => {
const name = req.body.name;
const email = req.body.email;
if (name && email) {
models.emails.create({"name": name, "address": email})
res.redirect('/email#success');
} else {
console.debug("Error with email submission")
}
})
server.post('/wordsquares', async (req, res, next) => {
const words = req.body.words;
const name = req.body.name;
if (name && words) {
models.wordsquares.create({"name": name, "words": words, "best": false})
res.redirect('/wordsquare#success');
} else {
console.debug("Error with wordsquare submission")
}
})
server.get('/favicon.ico', (req, res) => res.sendFile(__dirname + "/icon/favicon.ico"))
server.get('/css/:id', (req, res) => {
res.sendFile(__dirname + "/css/" + req.params.id);
});
server.get('/uploads/:id', (req, res) => {
res.sendFile(__dirname + "/uploads/" + req.params.id);
});
server.get('/essay/:id', (req, res) => {
res.sendFile(__dirname + "/html/essay/" + req.params.id);
});
server.get('/js/:id', (req, res) => {
res.sendFile(__dirname + "/js/" + req.params.id);
});
}
module.exports = {
listen,
setUpRoutes
};
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