Code files

Chapter05/making-an-http-post-request/buffering-a-request/index.js

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+'use strict'
+
+const http = require('http')
+const assert = require('assert')
+const url = 'http://www.davidmarkclements.com/ncb3/some.json'
+
+http.get(url, (res) => {
+  const size = parseInt(res.headers['content-length'], 10)
+  const buffer = Buffer.allocUnsafe(size)
+  var index = 0
+  res.on('data', (chunk) => {
+    chunk.copy(buffer, index)
+    index += chunk.length
+  })
+  res.on('end', () => {
+    assert.equal(size, buffer.length)
+    console.log('GUID:', JSON.parse(buffer).guid)
+  })
+})

Chapter05/making-an-http-post-request/multipart-post-uploads/index.js

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+'use strict'
+
+const http = require('http')
+const fs = require('fs')
+const path = require('path')
+const steed = require('steed')()
+const files = process.argv.slice(2)
+const boundary = Date.now()
+const opts = {
+  method: 'POST',
+  hostname: 'localhost',
+  port: 8080,
+  path: '/',
+  headers: {
+    'Content-Type': 'multipart/form-data; boundary="' + boundary + '"',
+    'Transfer-Encoding': 'chunked'
+  }
+}
+
+const req = http.request(opts, (res) => {
+  console.log('\n  Status: ' + res.statusCode)
+  process.stdout.write('  Body: ')
+  res.pipe(process.stdout)
+  res.on('end', () => console.log('\n'))
+})
+
+req.on('error', (err) => console.error('Error: ', err))
+
+const parts = files.map((file, i) => (cb) => {
+  const stream = fs.createReadStream(file)
+  stream.once('open', () => {
+    req.write(
+      `\r\n--${boundary}\r\n` +
+      'Content-Disposition: ' +
+      `form-data; name="userfile${i}";` +
+      `filename="${path.basename(file)}"\r\n` +
+      'Content-Type: application/octet-stream\r\n' +
+      'Content-Transfer-Encoding: binary\r\n' +
+      '\r\n'
+    )
+  })
+  stream.pipe(req, {end: false})
+  stream.on('data', (chunk) => req.write(chunk))
+  stream.on('end', cb)
+})
+
+steed.series(parts, () => req.end(`\r\n--${boundary}--\r\n`))

Chapter05/making-an-http-post-request/multipart-post-uploads/package.json

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+{
+  "name": "multipart-post-uploads",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "steed": "^1.1.3"
+  }
+}

Chapter05/making-an-http-post-request/post-request/index.js

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+'use strict'
+
+const http = require('http')
+const payload = `{
+  "name": "Cian Ó Maidín",
+  "company": "nearForm"
+}`
+const opts = {
+  method: 'POST',
+  hostname: 'reqres.in',
+  port: 80,
+  path: '/api/users',
+  headers: {
+    'Content-Type': 'application/json',
+    'Content-Length': Buffer.byteLength(payload)
+  }
+}
+
+const req = http.request(opts, (res) => {
+  console.log('\n  Status: ' + res.statusCode)
+  process.stdout.write('  Body: ')
+  res.pipe(process.stdout)
+  res.on('end', () => console.log('\n'))
+})
+
+req.on('error', (err) => console.error('Error: ', err))
+
+req.end(payload)

Chapter05/making-an-http-post-request/streaming-payloads/index.js

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+'use strict'
+
+const http = require('http')
+const opts = {
+  method: 'POST',
+  hostname: 'reqres.in',
+  port: 80,
+  path: '/api/users',
+  headers: {
+    'Content-Type': 'application/json',
+    'Transfer-Encoding': 'chunked'
+  }
+}
+
+const req = http.request(opts, (res) => {
+  console.log('\n  Status: ' + res.statusCode)
+  process.stdout.write('  Body: ')
+  res.pipe(process.stdout)
+  res.on('end', () => console.log('\n'))
+})
+
+req.on('error', (err) => console.error('Error: ', err))
+
+http.get('http://reqres.in/api/users', (res) => {
+  res.pipe(req)
+})