Go: Firebase Auth のトークンの作成

get_token.go

// ---------------------------------------------------------------
//
//	get_token.go
//
//				  Feb/06/2021
// ---------------------------------------------------------------
package main

import (
	"fmt"
	"os"
	"io/ioutil"
	"net/http"
	"net/url"
	"encoding/json"
	"github.com/joho/godotenv"
)

// ---------------------------------------------------------------
func main() {

	fmt.Fprintf (os.Stderr,"*** 開始 ***\n")
	email := os.Args[1]
	password := os.Args[2]
	fmt.Fprintf (os.Stderr,"email = " + email + "\n")
	fmt.Fprintf (os.Stderr,"password = " + password + "\n")

	err := godotenv.Load(".env")
	if err != nil {
		panic(err)
		}

	api_key := os.Getenv("API_KEY")

	url_target := "https://www.googleapis.com/identitytoolkit/v3/relyingparty/verifyPassword?key=" + api_key
	args := url.Values{}
	args.Add("email",email)
	args.Add("password",password)
	args.Add("returnSecureToken", "True")
	res, err := http.PostForm(url_target,args)
	if err != nil {
		fmt.Println("Request error:", err)
		return
	}
	defer res.Body.Close()

	body, err := ioutil.ReadAll(res.Body)
	if err != nil {
		fmt.Println("Request error:", err)
		return
	}

	str_json := string(body)
	var unit_aa map[string]interface{}
	json.Unmarshal ([]byte(str_json), &unit_aa )

	token := unit_aa["idToken"]
	fmt.Println(token)

	fmt.Fprintf (os.Stderr,"*** 終了 ***\n")
}

// ---------------------------------------------------------------

.env

API_KEY = "AIzaS....."

実行スクリプト

go run get_token.py [e-mail] hello888 > token01.txt
go run get_token.py [e-mail] hello999 > token02.txt

関連ページ
Python3: Firebase Auth のトークンの作成