fulviodenza

func main() {

	// Setup The AWS Region and AWS session
	conf := &aws.Config{Region: aws.String("eu-west-1")}
	mySession := session.Must(session.NewSession(conf))

	// Fill App structure with environment keys and session generated
	a := App{
		CognitoClient:   cognito.New(mySession),
		UserPoolID:      os.Getenv("COGNITO_USER_POOL_ID"),

fulviodenza

func (cv *CustomValidator) Validate(i interface{}) error {
	if err := cv.validator.Struct(i); err != nil {
		// Optionally, you could return the error to give each route more control over the status code
		return echo.NewHTTPError(http.StatusBadRequest, err.Error())
	}
	return nil
}

func validateUser(sl validator.StructLevel) {
	if len(sl.Current().Interface().(User).Username) == 0 || len(sl.Current().Interface().(User).Password) == 0 {

fulviodenza

func (a *App) ForgotPassword(c echo.Context) (err error) {
	u := new(UserForgot)

	if err = c.Bind(u); err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, err.Error())
	}

	if err = c.Validate(u); err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, err.Error())
	}

fulviodenza

func (a *App) OTP(c echo.Context) (err error) {

	r := new(Response)
	o := new(OTP)
	if err = c.Bind(o); err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, err.Error())
	}

	if err = c.Validate(o); err != nil {
		return err

fulviodenza

func (a *App) Login(c echo.Context) (err error) {

  u := new(User)
	if err = c.Bind(u); err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, err.Error())
	}
	if err = c.Validate(u); err != nil {
		return err
	}

fulviodenza

func (a *App) Register(c echo.Context, v validator.Validate) (err error) {

	r := new(Response)
	u := new(UserRegister)

	// Bind the user input saved in context to the u(User) variable and validate it
	if err = c.Bind(u); err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, err.Error())
	}
	if err = c.Validate(u); err != nil {

fulviodenza

// Register receiver method is the handler for
// /register endpoint, this method takes echo.Context
// in which is located the user input as json request
// as input with the following format:
// {
//     "email":"example@email.com",
//     "user":{
//         "username":"exampleusername",
//         "password":"Hello4world!"
//     }

fulviodenza

type (
	// App struct provides basic information to connect to the
	// Cognito UserPool on AWS.
	App struct {
		CognitoClient   *cognito.CognitoIdentityProvider
		UserPoolID      string
		AppClientID     string
		AppClientSecret string
		Token           string
	}

fulviodenza

package main

import (
	"crypto/hmac"
	"crypto/sha256"
	"encoding/base64"
	"fmt"
	"net/http"
	"os"