diff --git a/.github/workflows/test.yml-template b/.github/workflows/test.yml-template new file mode 100644 index 0000000..bb13dfc --- /dev/null +++ b/.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 diff --git a/index.html b/index.html new file mode 100644 index 0000000..e39c001 --- /dev/null +++ b/index.html @@ -0,0 +1,56 @@ + + + + + + Compression App + + + +

Compression App

+ +
+ + + + + +
+ + diff --git a/package-lock.json b/package-lock.json index d0b3b95..3ddfa6c 100644 --- a/package-lock.json +++ b/package-lock.json @@ -12,7 +12,7 @@ "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", @@ -63,6 +63,7 @@ "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.24.9.tgz", "integrity": "sha512-5e3FI4Q3M3Pbr21+5xJwCv6ZT6KmGkI0vw3Tozy5ODAQFTIWe37iT8Cr7Ice2Ntb+M3iSKCEWMB1MBgKrW3whg==", "dev": true, + "peer": true, "dependencies": { "@ampproject/remapping": "^2.2.0", "@babel/code-frame": "^7.24.7", @@ -1487,10 +1488,11 @@ } }, "node_modules/@mate-academy/scripts": { - "version": "1.8.6", - "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-1.8.6.tgz", - "integrity": "sha512-b4om/whj4G9emyi84ORE3FRZzCRwRIesr8tJHXa8EvJdOaAPDpzcJ8A0sFfMsWH9NUOVmOwkBtOXDu5eZZ00Ig==", + "version": "2.1.3", + "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-2.1.3.tgz", + "integrity": "sha512-a07wHTj/1QUK2Aac5zHad+sGw4rIvcNl5lJmJpAD7OxeSbnCdyI6RXUHwXhjF5MaVo9YHrJ0xVahyERS2IIyBQ==", "dev": true, + "license": "MIT", "dependencies": { "@octokit/rest": "^17.11.2", "@types/get-port": "^4.2.0", @@ -1556,7 +1558,6 @@ "resolved": "https://registry.npmjs.org/@octokit/auth-token/-/auth-token-5.1.1.tgz", "integrity": "sha512-rh3G3wDO8J9wSjfI436JUKzHIxq8NaiL0tVeB2aXmG6p/9859aUOAjA9pmSPNGGZxfwmaJ9ozOJImuNVJdpvbA==", "dev": true, - "peer": true, "engines": { "node": ">= 18" } @@ -1585,7 +1586,6 @@ "resolved": "https://registry.npmjs.org/@octokit/endpoint/-/endpoint-10.1.1.tgz", "integrity": "sha512-JYjh5rMOwXMJyUpj028cu0Gbp7qe/ihxfJMLc8VZBMMqSwLgOxDI1911gV4Enl1QSavAQNJcwmwBF9M0VvLh6Q==", "dev": true, - "peer": true, "dependencies": { "@octokit/types": "^13.0.0", "universal-user-agent": "^7.0.2" @@ -1599,7 +1599,6 @@ "resolved": "https://registry.npmjs.org/@octokit/graphql/-/graphql-8.1.1.tgz", "integrity": "sha512-ukiRmuHTi6ebQx/HFRCXKbDlOh/7xEV6QUXaE7MJEKGNAncGI/STSbOkl12qVXZrfZdpXctx5O9X1AIaebiDBg==", "dev": true, - "peer": true, "dependencies": { "@octokit/request": "^9.0.0", "@octokit/types": "^13.0.0", @@ -1613,8 +1612,7 @@ "version": "22.2.0", "resolved": "https://registry.npmjs.org/@octokit/openapi-types/-/openapi-types-22.2.0.tgz", "integrity": "sha512-QBhVjcUa9W7Wwhm6DBFu6ZZ+1/t/oYxqc2tp81Pi41YNuJinbFRx8B133qVOrAaBbF7D/m0Et6f9/pZt9Rc+tg==", - "dev": true, - "peer": true + "dev": true }, "node_modules/@octokit/plugin-paginate-rest": { "version": "2.21.3", @@ -1676,7 +1674,6 @@ "resolved": "https://registry.npmjs.org/@octokit/request/-/request-9.1.3.tgz", "integrity": "sha512-V+TFhu5fdF3K58rs1pGUJIDH5RZLbZm5BI+MNF+6o/ssFNT4vWlCh/tVpF3NxGtP15HUxTTMUbsG5llAuU2CZA==", "dev": true, - "peer": true, "dependencies": { "@octokit/endpoint": "^10.0.0", "@octokit/request-error": "^6.0.1", @@ -1692,7 +1689,6 @@ "resolved": "https://registry.npmjs.org/@octokit/request-error/-/request-error-6.1.4.tgz", "integrity": "sha512-VpAhIUxwhWZQImo/dWAN/NpPqqojR6PSLgLYAituLM6U+ddx9hCioFGwBr5Mi+oi5CLeJkcAs3gJ0PYYzU6wUg==", "dev": true, - "peer": true, "dependencies": { "@octokit/types": "^13.0.0" }, @@ -1880,7 +1876,6 @@ "resolved": "https://registry.npmjs.org/@octokit/types/-/types-13.5.0.tgz", "integrity": "sha512-HdqWTf5Z3qwDVlzCrP8UJquMwunpDiMPt5er+QjGzL4hqr/vBVY/MauQgS1xWxCDT1oMx1EULyqxncdCY/NVSQ==", "dev": true, - "peer": true, "dependencies": { "@octokit/openapi-types": "^22.2.0" } @@ -2223,6 +2218,7 @@ "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.12.1.tgz", "integrity": "sha512-tcpGyI9zbizT9JbV6oYE477V6mTlXvvi0T0G3SNIYE2apm/G5huBa1+K89VGeovbg+jycCrfhl3ADxErOuO6Jg==", "dev": true, + "peer": true, "bin": { "acorn": "bin/acorn" }, @@ -2667,8 +2663,7 @@ "version": "3.0.2", "resolved": "https://registry.npmjs.org/before-after-hook/-/before-after-hook-3.0.2.tgz", "integrity": "sha512-Nik3Sc0ncrMK4UUdXQmAnRtzmNQTAAXmXIopizwZ1W1t8QmfJj+zL4OA2I7XPTPW5z5TDqv4hRo/JzouDJnX3A==", - "dev": true, - "peer": true + "dev": true }, "node_modules/brace-expansion": { "version": "1.1.11", @@ -2711,6 +2706,7 @@ "url": "https://github.com/sponsors/ai" } ], + "peer": true, "dependencies": { "caniuse-lite": "^1.0.30001640", "electron-to-chromium": "^1.4.820", @@ -3455,6 +3451,7 @@ "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.57.0.tgz", "integrity": "sha512-dZ6+mexnaTIbSBZWgou51U6OmzIhYM2VcNdtiTtI7qPNZm35Akpr0f6vtw3w1Kmn5PYo+tZVfh13WrhpS6oLqQ==", "dev": true, + "peer": true, "dependencies": { "@eslint-community/eslint-utils": "^4.2.0", "@eslint-community/regexpp": "^4.6.1", @@ -3510,6 +3507,7 @@ "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-9.1.0.tgz", "integrity": "sha512-NSWl5BFQWEPi1j4TjVNItzYV7dZXZ+wP6I6ZhrBGpChQhZRUaElihE9uRRkcbRnNb76UMKDF3r+WTmNcGPKsqw==", "dev": true, + "peer": true, "bin": { "eslint-config-prettier": "bin/cli.js" }, @@ -3600,6 +3598,7 @@ "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.29.1.tgz", "integrity": "sha512-BbPC0cuExzhiMo4Ff1BTVwHpjjv28C5R+btTOGaCRC7UEz801up0JadwkeSk5Ued6TG34uaczuVuH6qyy5YUxw==", "dev": true, + "peer": true, "dependencies": { "array-includes": "^3.1.7", "array.prototype.findlastindex": "^1.2.3", @@ -3677,6 +3676,7 @@ "resolved": "https://registry.npmjs.org/eslint-plugin-node/-/eslint-plugin-node-11.1.0.tgz", "integrity": "sha512-oUwtPJ1W0SKD0Tr+wqu92c5xuCeQqB3hSCHasn/ZgjFdA9iDGNkNf2Zi9ztY7X+hNuMib23LNGRm6+uN+KLE3g==", "dev": true, + "peer": true, "dependencies": { "eslint-plugin-es": "^3.0.0", "eslint-utils": "^2.0.0", @@ -3727,6 +3727,7 @@ "resolved": "https://registry.npmjs.org/eslint-plugin-promise/-/eslint-plugin-promise-4.3.1.tgz", "integrity": "sha512-bY2sGqyptzFBDLh/GMbAxfdJC+b0f23ME63FOE4+Jao0oZ3E1LEwFtWJX/1pGMJLiTtrSSern2CRM/g+dfc0eQ==", "dev": true, + "peer": true, "engines": { "node": ">=6" } @@ -3750,6 +3751,7 @@ "url": "https://feross.org/support" } ], + "peer": true, "peerDependencies": { "eslint": ">=5.0.0" } @@ -5175,6 +5177,7 @@ "resolved": "https://registry.npmjs.org/jest/-/jest-29.7.0.tgz", "integrity": "sha512-NIy3oAFp9shda19hy4HK0HRTWKtPJmGdnvywu01nOqNC2vZg+Z+fvJDxpMQA88eb2I9EcafcdjYgsDthnYTvGw==", "dev": true, + "peer": true, "dependencies": { "@jest/core": "^29.7.0", "@jest/types": "^29.6.3", @@ -7528,6 +7531,7 @@ "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.3.3.tgz", "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==", "dev": true, + "peer": true, "bin": { "prettier": "bin/prettier.cjs" }, @@ -8465,8 +8469,7 @@ "version": "7.0.2", "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-7.0.2.tgz", "integrity": "sha512-0JCqzSKnStlRRQfCdowvqy3cy0Dvtlb8xecj/H8JFZuCze4rwjPZQOgvFvn0Ws/usCHQFGpyr+pB9adaGwXn4Q==", - "dev": true, - "peer": true + "dev": true }, "node_modules/universalify": { "version": "2.0.1", diff --git a/package.json b/package.json index 1d03d64..8e6392d 100644 --- a/package.json +++ b/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", diff --git a/src/createServer.js b/src/createServer.js index 1cf1dda..a008965 100644 --- a/src/createServer.js +++ b/src/createServer.js @@ -1,8 +1,173 @@ 'use strict'; +const zlib = require('node:zlib'); +const http = require('node:http'); +const { Transform } = require('node:stream'); + +class MultipartStream extends Transform { + constructor(boundaryString) { + super(); + this.buffer = Buffer.alloc(0); + this.isHeaderParsed = false; + this.boundaryEnd = Buffer.from(`\r\n--${boundaryString}`); + } + + _transform(chunk, encoding, callback) { + this.buffer = Buffer.concat([this.buffer, chunk]); + + if (!this.isHeaderParsed) { + const fileIdx = this.buffer.indexOf('filename="'); + + if (fileIdx !== -1) { + const headerEnd = this.buffer.indexOf('\r\n\r\n', fileIdx); + + if (headerEnd !== -1) { + const startIdx = headerEnd + 4; + const str = this.buffer.toString('utf8'); + + const cMatch = str.match( + /name="compressionType"\r\n\r\n(gzip|deflate|br)/, + ); + const fMatch = str.match(/filename="([^"]+)"/); + + if (cMatch && fMatch) { + this.isHeaderParsed = true; + + this.emit('fileReady', { + compressionType: cMatch[1], + filename: fMatch[1], + }); + this.buffer = this.buffer.subarray(startIdx); + } + } + } + + if (!this.isHeaderParsed && this.buffer.length > 1024 * 1024) { + this.emit('error', new Error('Invalid form data or headers too large')); + + return callback(); + } + } + + // Шаг 2: Стримим чистый файл + if (this.isHeaderParsed) { + const endIdx = this.buffer.indexOf(this.boundaryEnd); + + if (endIdx !== -1) { + this.push(this.buffer.subarray(0, endIdx)); + this.buffer = Buffer.alloc(0); + this.push(null); + } else { + if (this.buffer.length > this.boundaryEnd.length) { + const safeLen = this.buffer.length - this.boundaryEnd.length; + + this.push(this.buffer.subarray(0, safeLen)); + this.buffer = this.buffer.subarray(safeLen); + } + } + } + + callback(); + } + + _flush(callback) { + if (!this.isHeaderParsed) { + this.emit('error', new Error('Missing file or compression type')); + } + callback(); + } +} + function createServer() { - /* Write your code here */ - // Return instance of http.Server class + const server = http.createServer(); + + server.on('request', (req, res) => { + const url = new URL(req.url, `http://${req.headers.host || 'localhost'}`); + const reqPath = url.pathname; + + if (reqPath === '/' && req.method === 'GET') { + res.statusCode = 200; + + return res.end(); + } + + if (reqPath !== '/compress') { + res.statusCode = 404; + + return res.end('Not Found'); + } + + if (req.method !== 'POST') { + res.statusCode = 400; + + return res.end('Bad Request'); + } + + // Достаем уникальную границу (boundary) из заголовков запроса + const boundaryMatch = req.headers['content-type']?.match(/boundary=(.*)/); + + if (!boundaryMatch) { + res.statusCode = 400; + + return res.end('Bad Request: Not a multipart form'); + } + + const boundaryStr = boundaryMatch[1].replace(/"/g, ''); + + const formParser = new MultipartStream(boundaryStr); + + formParser.on('fileReady', ({ compressionType, filename }) => { + let resFile = null; + + switch (compressionType) { + case 'gzip': + resFile = zlib.createGzip(); + break; + case 'deflate': + resFile = zlib.createDeflate(); + break; + case 'br': + resFile = zlib.createBrotliCompress(); + break; + } + + res.statusCode = 200; + + res.setHeader( + 'Content-Disposition', + `attachment; filename=${filename}.${compressionType}`, + ); + + resFile.on('error', () => { + if (!res.headersSent) { + res.statusCode = 500; + } + res.end('Compression Error'); + }); + + // Соединяем трубы: Парсер -> Архиватор -> Клиент + formParser.pipe(resFile).pipe(res); + }); + + formParser.on('error', (err) => { + if (!res.headersSent) { + res.statusCode = 400; + res.end(`Bad Request: ${err.message}`); + } + }); + + // Начинаем заливать данные из запроса в наш парсер + req.pipe(formParser); + + req.on('error', () => { + if (!res.headersSent) { + res.statusCode = 500; + res.end('Request Error'); + } + }); + }); + + return server; } module.exports = {