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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 Op = require('sequelize').Op;
const multer = require('multer');
var storage = multer.diskStorage({
destination: function (req, file, cb) {
cb(null, 'src/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 ${port}!`));
}
function setUpRoutes(models, jwtFunctions, database) {
// Authentication routine
server.use(function (req, res, next) {
if (req.path.startsWith("/admin")) {
let cookie = req.cookies.authorization
if (!cookie) {
console.debug("Redirecting to login - no cookie")
res.redirect('/login');
return;
}
try {
const decryptedUserId = jwtFunctions.verify(cookie);
models.users.findOne({ where: { username: decryptedUserId } }).then((user, error) => {
if (user) {
res.locals.user = user.get({ plain: true });
} else {
console.debug("Redirecting to login - invalid cookie")
res.redirect('/login');
return;
}
});
} catch (e) {
res.status(400).send(e.message);
}
}
next();
})
// Route logging
server.use(function (req, res, next) {
var request = models.requests.create({ createdAt: new Date(), ip: req.ip, method: req.method, url: req.originalUrl });
next()
})
server.get('/', (req, res) => res.sendFile(__dirname + "/html/index.html"))
server.get('/index', (req, res) => res.sendFile(__dirname + "/html/index.html"))
server.get('/admin', (req, res) => res.sendFile(__dirname + "/html/admin.html"));
server.get('/login', (req, res) => res.sendFile(__dirname + "/html/login.html"))
server.get('/bread', (req, res) => res.sendFile(__dirname + "/html/bread.html"));
server.get('/blog', (req, res) => res.sendFile(__dirname + "/html/blog.html"));
server.get('/tags', (req, res) => res.sendFile(__dirname + "/html/tags.html"));
server.get('/feed', (req, res) => res.sendFile(__dirname + "/html/feed.html"));
server.get('/essay', (req, res) => res.sendFile(__dirname + "/html/essay.html"));
server.get('/snake', (req, res) => res.sendFile(__dirname + "/html/snake.html"));
server.get('/setScore', (req, res) => {
request(`http://localhost:8000?${req.url.split("?")[1]}`, function (error, response, body) {
});
})
server.get('/admin/stats', async (req, res, next) => {
try {
var ipResult = await database.query("SELECT ip, count(id) as c FROM requests GROUP BY ip", { 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 })
res.status(200).send({ ip: ipResult, url: urlResult });
next();
} catch (e) {
res.status(400).send(e.message);
}
})
server.get('/blog/:id', async (req, res, next) => {
// TODO add single page blog posts
})
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 hash = crypto.createHash("sha512").update(req.body.password, "binary").digest("base64");
const user = await models.users.findOne({ where: { username: req.body.username, password: hash } })
if (user) {
const token = jwtFunctions.sign(user.username);
res.cookie('authorization', token);
console.debug("Redirecting to admin - logged in")
res.redirect('/admin');
} else {
console.debug("Redirecting to login - invalid login")
res.redirect('/login');
}
})
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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