Add 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 +1,88 @@
 'use strict';
 
+const http = require('http');
+const fs = require('fs');
+const path = require('path');
+
+const PUBLIC_DIR = path.resolve(__dirname, '../public');
+const FILE_PREFIX = '/file';
+
+function sendText(response, statusCode, message) {
+  response.writeHead(statusCode, {
+    'Content-Type': 'text/plain',
+  });
+
+  response.end(message);
+}
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  return http.createServer((request, response) => {
+    const [pathname] = request.url.split('?');
+
+    if (pathname === `${FILE_PREFIX}/`) {
+      const indexPath = path.join(PUBLIC_DIR, 'index.html');
+
+      fs.readFile(indexPath, (error, fileContent) => {
+        if (error) {
+          sendText(response, 404, 'File was not found');
+
+          return;
+        }
+
+        response.end(fileContent);
+      });
+
+      return;
+    }
+
+    if (pathname === FILE_PREFIX) {
+      sendText(
+        response,
+        200,
+        'Use /file/<path> to load files from the public folder',
+      );
+
+      return;
+    }
+
+    if (!pathname.startsWith(`${FILE_PREFIX}/`)) {
+      sendText(response, 400, 'Access outside public folder is forbidden');
+
+      return;
+    }
+
+    const relativePath =
+      pathname.slice(`${FILE_PREFIX}/`.length) || 'index.html';
+    const pathParts = relativePath.split('/');
+
+    if (
+      pathParts.some((part) => part === '..') ||
+      relativePath.includes('\\')
+    ) {
+      sendText(response, 400, 'Access outside public folder is forbidden');
+
+      return;
+    }
+
+    if (relativePath.includes('//')) {
+      sendText(response, 404, 'File was not found');
+
+      return;
+    }
+
+    const normalizedPath = path.normalize(relativePath);
+    const filePath = path.join(PUBLIC_DIR, normalizedPath);
+
+    fs.readFile(filePath, (error, fileContent) => {
+      if (error) {
+        sendText(response, 404, 'File was not found');
+
+        return;
+      }
+
+      response.end(fileContent);
+    });
+  });
 }
 
 module.exports = {