Added API endpoints and dockerfile

back/api/channels.js

@@ -0,0 +1,72 @@
+const express = require('express');
+const jwt = require('jsonwebtoken');
+const { getConnection, getUser, getChannels, getChannel, addChannel, getMessages, addMessage } = require('../libs/mysql');
+
+const router = express.Router();
+
+router.get('/', async (req, res) => {
+    const connection = await getConnection();
+    const channels = await getChannels(connection);
+    connection.end();
+    res.send(channels);
+});
+
+router.get('/:id', async (req, res) => {
+    const id = req.params.id;
+    const connection = await getConnection();
+    const channel = await getChannel(connection, id);
+    connection.end();
+    if (channel[0]) {
+        res.send(channel[0]);
+    } else {
+        res.send('No channel found');
+    }
+});
+
+router.get('/:id/messages', async (req, res) => {
+    const id = req.params.id;
+    const connection = await getConnection();
+    const channel = await getChannel(connection, id);
+    if (!channel[0]) {
+        connection.end();
+        return res.send('No channel found');
+    }
+    const messages = await getMessages(connection, id);
+    connection.end();
+    res.send(messages);
+});
+
+router.post('/:id/messages/send', async (req, res) => {
+    const { token, message } = req.body;
+    const id = req.params.id;
+    const connection = await getConnection();
+
+    const decoded = jwt.verify(token, process.env.JWT_SECRET);
+    const user = await getUser(connection, decoded.id);
+    if (!user[0]) {
+        connection.end();
+        return res.status(401).send({ error: 'Invalid token' });
+    }
+
+    await addMessage(connection, id, user[0].id, message.replace("\"", "'"));
+    connection.end();
+    res.send({ message: 'Message sent' });
+});
+
+router.post('/add', async (req, res) => {
+    const { name, description, token } = req.body;
+    const connection = await getConnection();
+
+    const decoded = jwt.verify(token, process.env.JWT_SECRET);
+    const user = await getUser(connection, decoded.id);
+    if (!user[0]) {
+        connection.end();
+        return res.status(401).send({ error: 'Invalid token' });
+    }
+
+    await addChannel(connection, name, description);
+    connection.end();
+    res.send({ message: 'Channel added' });
+});
+
+module.exports = router;

back/api/connect.js

@@ -0,0 +1,24 @@
+const express = require('express');
+const sha256 = require("sha256");
+const jwt = require('jsonwebtoken');
+const { getConnection, getUserByUsername } = require('../libs/mysql');
+
+const router = express.Router();
+
+router.post('/', async (req, res) => {
+    const { username, password } = req.body;
+    const connection = await getConnection();
+    const users = await getUserByUsername(connection, username);
+    connection.end();
+    if (users[0]) {
+        if (users[0].password === sha256(password)) {
+            const token = jwt.sign({ id: users[0].id }, process.env.JWT_SECRET, {
+                expiresIn: 1000 * 60 * 60 * 24 * 7,
+            });
+            res.send({ token: token });
+        }
+    }
+    res.status(401).send({ error: 'Invalid username or password' });
+});
+
+module.exports = router;

back/api/users.js

@@ -0,0 +1,28 @@
+const express = require('express');
+const sha256 = require("sha256");
+const { getConnection, getUser, addUser } = require('../libs/mysql');
+
+const router = express.Router();
+
+router.get('/:id', async (req, res) => {
+    const id = req.params.id;
+    const connection = await getConnection();
+    const users = await getUser(connection, id);
+    connection.end();
+    if (users[0]) {
+        res.send(users[0]);
+    } else {
+        res.send('No user found');
+    }
+});
+
+router.post('/add', async (req, res) => {
+    const { username, password } = req.body;
+    const connection = await getConnection();
+    const hash = sha256(password);
+    await addUser(connection, username, hash);
+    connection.end();
+    res.send({ message: 'User added' });
+});
+
+module.exports = router;