Book Image

Security with Go

By : John Daniel Leon, Karthik Gaekwad
Book Image

Security with Go

By: John Daniel Leon, Karthik Gaekwad

Overview of this book

Go is becoming more and more popular as a language for security experts. Its wide use in server and cloud environments, its speed and ease of use, and its evident capabilities for data analysis, have made it a prime choice for developers who need to think about security. Security with Go is the first Golang security book, and it is useful for both blue team and red team applications. With this book, you will learn how to write secure software, monitor your systems, secure your data, attack systems, and extract information. Defensive topics include cryptography, forensics, packet capturing, and building secure web applications. Offensive topics include brute force, port scanning, packet injection, web scraping, social engineering, and post exploitation techniques.
Table of Contents (15 chapters)

HTTP client

Making HTTP requests is a core part of many applications these days. Go, being a web-friendly language, contains several tools for making HTTP requests in the net/http package.

The basic HTTP request

This example uses the http.Get() function from the net/http standard library package. It will read the entire response body to a variable named body and then print it to standard output:

package main

import (
"fmt"
"io/ioutil"
"log"
"net/http"
)

func main() {
// Make basic HTTP GET request
response, err := http.Get("http://www.example.com")
if err != nil {
log.Fatal("Error fetching URL. ", err)
}

// Read body from response
body, err ...