Solution

.github/workflows/test.yml-template

@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test

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 +1,71 @@
+/* eslint-disable no-console */
 'use strict';
 
+const http = require('http');
+const url = require('url');
+const fs = require('fs');
+const path = require('path');
+
 function createServer() {
   /* Write your code here */
   // Return instance of http.Server class
+  const server = http.createServer((req, res) => {
+    const normalizedURL = new url.URL(req.url, `http://${req.headers.host}`);
+    const fileName = normalizedURL.pathname;
+
+    if (!fileName.startsWith('/file/')) {
+      if (fileName === '/file') {
+        res.statusCode = 200;
+      } else {
+        res.statusCode = 400;
+      }
+      res.setHeader('Content-Type', 'text/plain');
+      res.end('You need to set path starting with "/file/"');
+
+      return;
+    }
+
+    if (fileName.includes('//')) {
+      res.statusCode = 404;
+      res.setHeader('Content-Type', 'text/plain');
+
+      res.end('You can`t type double slash(/)');
+
+      return;
+    }
+
+    const relativePath = fileName.replace('/file/', '');
+
+    const publicDir = path.resolve('./public');
+    const resolvedPath = path.resolve(`./public/${relativePath}`);
+
+    if (
+      !resolvedPath.startsWith(publicDir + path.sep) &&
+      resolvedPath !== publicDir
+    ) {
+      res.statusCode = 400;
+      res.setHeader('Content-Type', 'text/plain');
+      res.end("You can't go outside /file folder");
+
+      return;
+    }
+
+    fs.readFile(`./public/${relativePath}`, (err, data) => {
+      if (err) {
+        res.statusCode = 404;
+        res.setHeader('Content-Type', 'text/plain');
+        res.end(`Not Found`);
+
+        return;
+      }
+
+      res.statusCode = 200;
+      res.setHeader('Content-Type', 'text/plain');
+      res.end(data);
+    });
+  });
+
+  return server;
 }
 
 module.exports = {