Code files

Chapter08/anticipating-malicious-input/app/index-fixed.js

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+'use strict'
+
+const express = require('express')
+const app = express()
+
+app.get('/', (req, res) => {
+  pretendDbQuery(() => {
+    var msg = req.query.msg
+
+    if (Array.isArray(msg)) msg = msg.pop()
+
+    const yelling = (msg || '').toUpperCase()
+    res.send(yelling)
+  })
+})
+
+app.listen(3000)
+
+function pretendDbQuery (cb) {
+  setTimeout(cb, 0)
+}

Chapter08/anticipating-malicious-input/app/index.js

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+'use strict'
+
+const express = require('express')
+const app = express()
+
+app.get('/', (req, res) => {
+  pretendDbQuery(() => {
+    const yelling = (req.query.msg || '').toUpperCase()
+    res.send(yelling)
+  })
+})
+
+app.listen(3000)
+
+function pretendDbQuery (cb) {
+  setTimeout(cb, 0)
+}

Chapter08/anticipating-malicious-input/app/package.json

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+{
+  "name": "app",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}