initial commit

main.js

@@ -0,0 +1,52 @@
+import fs, { read } from 'fs';
+import express from 'express';
+import cors from 'cors';
+import { encrypt, decrypt } from './enc.js';
+import bodyParser from 'body-parser';
+import multer from 'multer';
+import stream from 'stream';
+
+
+const PORT = process.env.PORT || 3000;
+
+const app = express();
+app.use(cors());
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({ extended: true }));
+const upload = multer({ storage: multer.memoryStorage() });
+
+
+app.get('/', (_, res) => res.sendFile('index.html', { root: '.' }));
+
+app.post('/encrypt', upload.single('file'), (req, res) => {
+    const password = req.body.password,
+        toEnc = req.file?.buffer || req.body.text;
+
+    if (!password || !toEnc) return res.sendStatus(400);
+
+    const encrypted = encrypt(toEnc, password);
+    if (!encrypted) return res.sendStatus(500);
+
+    res.set('Content-disposition', 'attachment; filename=' + req.file.originalname || "file.txt");
+    res.set('Content-Type', req.file.mimetype);
+
+    res.send(Buffer.from(encrypted, 'base64'));
+});
+
+
+app.post('/decrypt', upload.single('file'), (req, res) => {
+    const password = req.body.password,
+        toDec = req.file?.buffer?.toString('base64');
+
+    if (!password || !toDec) return res.sendStatus(400);
+
+    const decrypted = decrypt(toDec, password);
+    if (!decrypted) return res.sendStatus(401);
+
+    res.set('Content-disposition', 'attachment; filename=' + req.file.originalname || "file.txt");
+    res.set('Content-Type', req.file.mimetype);
+    res.send(decrypted);
+});
+
+
+app.listen(PORT, () => console.log(`app listening on port ${PORT}`));