diff --git a/src/createServer.js b/src/createServer.js index 1cf1dda..79307f0 100644 --- a/src/createServer.js +++ b/src/createServer.js @@ -1,8 +1,116 @@ 'use strict'; +const http = require('http'); +const fs = require('fs'); +const path = require('path'); +const zlib = require('zlib'); +const formidable = require('formidable'); + function createServer() { /* Write your code here */ // Return instance of http.Server class + const server = new http.Server(); + + server.on('request', (req, res) => { + if (req.method === 'POST' && req.url === '/compress') { + const form = new formidable.IncomingForm({ multiples: false }); + + form.parse(req, (err, fields, files) => { + if (err) { + res.statusCode = 400; + + return res.end('Invalid form data'); + } + + const compressionType = Array.isArray(fields.compressionType) + ? fields.compressionType[0] + : fields.compressionType; + + const uploadedFile = Array.isArray(files.file) + ? files.file[0] + : files.file; + + if (!uploadedFile || !uploadedFile.filepath) { + res.statusCode = 400; + + return res.end('File is required'); + } + + if (!compressionType) { + res.statusCode = 400; + + return res.end('Compression type is required'); + } + + let compressor; + + switch (compressionType) { + case 'gzip': + compressor = zlib.createGzip(); + break; + case 'deflate': + compressor = zlib.createDeflate(); + break; + case 'br': + compressor = zlib.createBrotliCompress(); + break; + default: + res.statusCode = 400; + + return res.end('Unsupported compression type'); + } + + const fileStream = fs.createReadStream(uploadedFile.filepath); + const originalFileName = path.basename( + uploadedFile.originalFilename || 'file', + ); + + res.statusCode = 200; + res.setHeader('Content-Type', 'application/octet-stream'); + + res.setHeader( + 'Content-Disposition', + `attachment; filename=${originalFileName}.${compressionType}`, + ); + + fileStream.pipe(compressor).pipe(res); + + res.on('close', () => { + fileStream.destroy(); + compressor.destroy(); + }); + }); + + return; + } + + if (req.method === 'GET' && req.url === '/compress') { + res.statusCode = 400; + + return res.end('Bad Request'); + } + + if (req.method === 'GET' && req.url === '/') { + res.statusCode = 200; + res.setHeader('Content-type', 'text/html'); + + res.end(`
`); + + return; + } + res.statusCode = 404; + res.end('Not Found'); + }); + + return server; } module.exports = {