static-server-beta

package.json

@@ -18,7 +18,7 @@
   "devDependencies": {
     "@faker-js/faker": "^8.4.1",
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^2.1.3",
     "axios": "^1.7.2",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",

src/createServer.js

@@ -1,8 +1,99 @@
 'use strict';
 
+const http = require('node:http');
+const path = require('node:path');
+const fsp = require('node:fs/promises');
+
+const mimeType = {
+  '.html': 'text/html',
+  '.css': 'text/css',
+  '.js': 'application/javascript',
+  '.json': 'application/json',
+  '.png': 'image/png',
+  '.jpg': 'image/jpeg',
+  '.jpeg': 'image/jpeg',
+  '.svg': 'image/svg+xml',
+  '.ico': 'image/x-icon',
+  '.txt': 'text/plain',
+};
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  return http.createServer(async (req, res) => {
+    if (req.url.includes('..')) {
+      res.statusCode = 400;
+      res.setHeader('Content-Type', 'text/plain');
+
+      return res.end('Forbidden');
+    }
+
+    const url = new URL(req.url, `http://${req.headers.host}`);
+
+    if (!url.pathname.startsWith('/file/')) {
+      res.statusCode = 200;
+      res.setHeader('Content-Type', 'text/plain');
+      res.end('Use /file/<path> to load files');
+
+      return;
+    }
+
+    const requestPath = url.pathname.replace(/^\/file\/?/, '') || 'index.html';
+
+    if (requestPath.includes('//')) {
+      res.statusCode = 404;
+      res.setHeader('Content-Type', 'text/plain');
+
+      return res.end('Not Found');
+    }
+
+    const basePath = path.resolve(__dirname, '..', 'public');
+    const pathToFile = path.resolve(basePath, requestPath);
+
+    if (!pathToFile.startsWith(basePath + path.sep)) {
+      res.statusCode = 400;
+      res.setHeader('Content-Type', 'text/plain');
+      res.statusMessage = 'Forbidden';
+      res.end('Forbidden');
+
+      return;
+    }
+
+    try {
+      const checkFile = await fsp.stat(pathToFile);
+
+      if (!checkFile.isFile()) {
+        res.statusCode = 404;
+        res.setHeader('Content-Type', 'text/plain');
+        res.statusMessage = 'Not Found';
+        res.end('Not a file');
+
+        return;
+      }
+    } catch {
+      res.statusCode = 404;
+      res.setHeader('Content-Type', 'text/plain');
+      res.statusMessage = 'Not Found';
+      res.end('File not found');
+
+      return;
+    }
+
+    const ext = path.extname(pathToFile).toLowerCase();
+    const contentType = mimeType[ext] || 'text/plain';
+
+    try {
+      const file = await fsp.readFile(pathToFile);
+
+      res.statusCode = 200;
+      res.setHeader('Content-Type', contentType);
+      res.statusMessage = 'OK';
+      res.end(file);
+    } catch {
+      res.statusCode = 500;
+      res.setHeader('Content-Type', 'text/plain');
+      res.statusMessage = 'Server Problem';
+      res.end();
+    }
+  });
 }
 
 module.exports = {