Sai Kumar Madana saikmadana

## Authentication.md

      
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                saikmadana
                / Authentication.md
            
            
              Created
              January 7, 2022 06:46
            
              
                Authentication using Session & JWT 
              
          
    Authentication


authentication: verifying identity (401 Unauthorized)
authorization: verifying permissions (403 Forbidden)


Username/password scheme


stateful (i.e. session using a cookie)
stateless (i.e. token using JWT / OAuth / other)


## cognito-handler.ts
/**
 * Following is extracted from the content `https://github.com/aws-amplify/amplify-js/tree/master/packages/amazon-cognito-identity-js`
 */

import { CognitoUserPool, CognitoUser, CognitoUserAttribute, AuthenticationDetails } from 'amazon-cognito-identity-js'

export class CognitoService {

    // Data of admin pool of cognito-user-pools
    // TODO: need to secure these

## amp-script-usage.html
<!DOCTYPE html>
<html amp lang="en-us">
<head>
    <meta charset="UTF-8" />
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" />
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
    <link rel="canonical" href="canonical-url.com" />
    <meta name="amp-experiments-opt-in" content="development">
    <meta name="amp-experiment-token"

## Gulpfile.js
"use strict";

const gulp = require('gulp');
const sass = require('gulp-ruby-sass');
const prefix = require('gulp-autoprefixer');
const minifycss = require('gulp-minify-css');
const rename = require('gulp-rename');
const sourcemaps = require('gulp-sourcemaps');
const connect = require('gulp-connect');
const uglify = require('gulp-uglify');
	/**
	* Following is extracted from the content `https://github.com/aws-amplify/amplify-js/tree/master/packages/amazon-cognito-identity-js`
	*/

	import { CognitoUserPool, CognitoUser, CognitoUserAttribute, AuthenticationDetails } from 'amazon-cognito-identity-js'

	export class CognitoService {

	// Data of admin pool of cognito-user-pools
	// TODO: need to secure these
	<!DOCTYPE html>
	<html amp lang="en-us">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" />
	<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
	<link rel="canonical" href="canonical-url.com" />
	<meta name="amp-experiments-opt-in" content="development">
	<meta name="amp-experiment-token"
	"use strict";

	const gulp = require('gulp');
	const sass = require('gulp-ruby-sass');
	const prefix = require('gulp-autoprefixer');
	const minifycss = require('gulp-minify-css');
	const rename = require('gulp-rename');
	const sourcemaps = require('gulp-sourcemaps');
	const connect = require('gulp-connect');
	const uglify = require('gulp-uglify');