add: added emojis

back/api/emojis.js

@@ -0,0 +1,102 @@
+const express = require('express');
+const { getConnection, getEmojis, addEmoji, getEmojiByName, deleteEmoji } = require('../libs/mysql');
+const { checkAuth } = require("../libs/middlewares")
+const multer = require('multer');
+const fs = require('node:fs');
+const path = require('node:path');
+
+const router = express.Router();
+
+const upload = multer({ dest: 'data/emojis/' })
+upload.limits = {
+    fileSize: 1024 * 1024 * 1,
+    files: 1,
+};
+
+router.get('/', async (req, res) => {
+    const connection = await getConnection();
+    const emojis = await getEmojis(connection);
+    connection.end();
+    res.send(emojis);
+});
+
+router.post('/add', upload.single("emoji"), checkAuth, async (req, res) => {
+    const { name } = req.body;
+    const file = req.file;
+
+    if (!name || !file) {
+        return res.status(400).send({ error: 'Invalid name or file' });
+    }
+
+    const connection = await getConnection();
+
+    const emoji = await getEmojiByName(connection, name);
+
+    if (emoji[0]) {
+        connection.end();
+        fs.unlinkSync(`data/emojis/${file.filename}`);
+        return res.status(400).send({ error: 'Emoji already exists' });
+    }
+
+    if (!/^[a-zA-Z0-9-_]+$/.test(name)) {
+        connection.end();
+        fs.unlinkSync(`data/emojis/${file.filename}`);
+        return res.status(400).send({ error: 'Invalid name' });
+    }
+
+    await addEmoji(connection, name, file.filename);
+    connection.end();
+
+    req.sockets.emit({
+        type: 'new_emoji'
+    });
+
+    res.send({ message: "Emoji added" });
+});
+
+router.get('/:name', async (req, res) => {
+    const { name } = req.params;
+
+    const connection = await getConnection();
+    const emoji = await getEmojiByName(connection, name);
+    connection.end();
+
+    if (!emoji[0]) {
+        return res.status(404).send({ error: 'Emoji not found' });
+    }
+
+    res.sendFile(path.join(__dirname, `../data/emojis/${emoji[0].file}`), { headers: { 'Content-Type': 'image' } });
+});
+
+router.post('/:name/delete', checkAuth, async (req, res) => {
+    const { name } = req.params;
+    const user = req.user;
+
+    const connection = await getConnection();
+    const emoji = await getEmojiByName(connection, name);
+
+    if (!emoji[0]) {
+        connection.end();
+        return res.status(404).send({ error: 'Emoji not found' });
+    }
+
+    if (user.admin !== 1) {
+        connection.end();
+        return res.status(401).send({ error: 'Unauthorized' });
+    }
+
+    if (fs.existsSync(`data/emojis/${emoji[0].file}`)) {
+        fs.unlinkSync(`data/emojis/${emoji[0].file}`);
+    }
+    
+    await deleteEmoji(connection, emoji[0].id);
+    connection.end();
+
+    req.sockets.emit({
+        type: 'delete_emoji',
+    });
+
+    res.send({ message: "Emoji deleted" });
+});
+
+module.exports = router;