initial dddd

zad1.js

@@ -0,0 +1,11 @@
+var http = require('http')
+var path = require('path')
+var fs = require('fs')
+
+http.createServer((req, res) => {
+    res.writeHead(200, {"Content-Type": "text/html"});
+    fs.createReadStream(path.resolve(__dirname, 'index.html')).pipe(res);
+}).listen(49376);
+
+console.log('running...');
+console.log('http://localhost:49376/');

zad2.js

@@ -0,0 +1,50 @@
+const express = require('express');
+const multer = require('multer');
+const fs = require('fs');
+const app = express();
+
+const PORT = 49376;
+const UPLOAD_DIRECTORY = './uploads';
+
+const upload = multer({
+    storage: multer.diskStorage({
+        destination: (req, file, cb) => { cb(null, UPLOAD_DIRECTORY);  },
+        filename:    (req, file, cb) => { cb(null, file.originalname); }
+    })
+}).single('file');
+
+app.get('/', (req, res) => {
+    res.type('html');
+    fs.readdir(UPLOAD_DIRECTORY, (err, items) => {
+        var up = '';
+        for (var i = 0; i < items.length; i++) {
+            up += `<li><a href="/${items[i]}">${items[i]}</a></li>`;
+        }
+        up = up || 'There are no uploaded files...';
+
+        res.end(`
+            <h3>Upload form</h3>
+            <form action="/" method="post" enctype="multipart/form-data">
+                <input type="file" name="file">
+                <input type="submit" value="send" name="submit">
+            </form>
+            <h3>Files to download</h3>
+            <ul>${up}</ul>
+        `);
+    });
+});
+
+app.post('/', (req, res) => {
+    upload(req, res, (err) => {
+        if (err) { res.end('Error!'); }
+        else     { res.redirect('/'); }
+    });
+});
+
+app.get('/:file(*)', (req, res) => {
+    res.download(UPLOAD_DIRECTORY + '/' + req.params.file, req.params.file);
+});
+
+app.listen(PORT, () => {
+    console.log(`Listening at http://localhost:${PORT}/`);
+});