Develop

.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",
@@ -30,5 +30,8 @@
   },
   "mateAcademy": {
     "projectType": "javascript"
+  },
+  "dependencies": {
+    "busboy": "^1.6.0"
   }
 }

src/createServer.js

@@ -1,10 +1,113 @@
 'use strict';
 
+const http = require('http');
+const zlib = require('zlib');
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  return http.createServer((req, res) => {
+    if (req.method === 'GET' && req.url === '/') {
+      res.statusCode = 200;
+      res.end('OK');
+
+      return;
+    }
+
+    if (req.url !== '/compress') {
+      res.statusCode = 404;
+      res.end();
+
+      return;
+    }
+
+    if (req.method !== 'POST') {
+      res.statusCode = 400;
+      res.end();
+
+      return;
+    }
+
+    const contentType = req.headers['content-type'] || '';
+
+    if (!contentType.includes('multipart/form-data')) {
+      res.statusCode = 400;
+      res.end();
+
+      return;
+    }
+
+    const boundary = '--' + contentType.split('boundary=')[1];
+
+    const chunks = [];
+
+    req.on('data', (chunk) => chunks.push(chunk));
+
+    req.on('end', () => {
+      const body = Buffer.concat(chunks).toString('binary');
+
+      const parts = body.split(boundary).filter((p) => p.trim());
+
+      let fileBuffer = null;
+      let filename = null;
+      let compressionType = null;
+
+      for (const part of parts) {
+        if (part.includes('name="file"')) {
+          const headerEnd = part.indexOf('\r\n\r\n');
+
+          const headers = part.slice(0, headerEnd);
+          const content = part.slice(headerEnd + 4, part.lastIndexOf('\r\n'));
+
+          const match = headers.match(/filename="(.+?)"/);
+
+          if (match) {
+            filename = match[1];
+          }
+
+          fileBuffer = Buffer.from(content, 'binary');
+        }
+
+        if (part.includes('name="compressionType"')) {
+          const headerEnd = part.indexOf('\r\n\r\n');
+
+          const value = part
+            .slice(headerEnd + 4)
+            .replace(/\r\n$/, '')
+            .trim();
+
+          compressionType = value;
+        }
+      }
+
+      const compressors = {
+        gzip: zlib.gzipSync,
+        deflate: zlib.deflateSync,
+        br: zlib.brotliCompressSync,
+      };
+
+      if (!fileBuffer || !compressionType || !compressors[compressionType]) {
+        res.statusCode = 400;
+        res.end();
+
+        return;
+      }
+
+      const compressed = compressors[compressionType](fileBuffer);
+
+      res.statusCode = 200;
+
+      res.setHeader(
+        'Content-Disposition',
+        `attachment; filename=${filename}.${compressionType}`,
+      );
+
+      res.end(compressed);
+    });
+
+    req.on('error', () => {
+      res.statusCode = 500;
+      res.end();
+    });
+  });
 }
 
-module.exports = {
-  createServer,
-};
+module.exports = { createServer };