github oauth2 use http client, made with go.

github_oauth2_client.go

package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io/ioutil"
	"log"
	"os/exec"

	"golang.org/x/oauth2"
)

func main() {
	conf := &oauth2.Config{
		ClientID:     "YOUR_CLIENT_ID",
		ClientSecret: "YOUR_CLIENT_SECRET",
		Scopes:       []string{"gist"},
		Endpoint: oauth2.Endpoint{
			AuthURL:  "https://github.com/login/oauth/authorize",
			TokenURL: "https://github.com/login/oauth/access_token",
		},
	}

	url := conf.AuthCodeURL("state")
	fmt.Printf("Visit the URL for the auth dialog: %v\n", url)
	exec.Command("open", url).Start()

	fmt.Print("code: ")
	var code string
	if _, err := fmt.Scan(&code); err != nil {
		log.Fatal(err)
	}
	tok, err := conf.Exchange(oauth2.NoContext, code)
	if err != nil {
		log.Fatal(err)
	}

	fmt.Println("--------------------")
	fmt.Println("AccessToken:", tok.AccessToken)
	fmt.Println("TokenType:", tok.TokenType)
	fmt.Println("RefreshToken:", tok.RefreshToken)
	fmt.Println("Expiry:", tok.Expiry)
	fmt.Println("error:", err)

	client := conf.Client(oauth2.NoContext, tok)
	resp, err := client.Get("https://api.github.com/gists")
	if err != nil {
		fmt.Println(err)
	}
	defer resp.Body.Close()

	// header
	for k, v := range resp.Header {
		fmt.Println("header key: ", k)
		for _, value := range v {
			fmt.Println("\theader value: ", value)
		}
	}

	// body
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		fmt.Println(err)
	}

	var out bytes.Buffer
	if err := json.Indent(&out, body, "", "\t"); err != nil {
		fmt.Println(err)
	}

	fmt.Println(out.String())
}