working login

package.json

@@ -24,6 +24,7 @@
     "babel-preset-es2015": "^6.9.0",
     "babel-preset-react": "^6.11.1",
     "css-loader": "^0.23.1",
+    "dotenv": "^2.0.0",
     "file-loader": "^0.9.0",
     "html-webpack-plugin": "^2.22.0",
     "postcss": "^5.0.21",
@@ -36,6 +37,8 @@
     "webpack-dev-server": "^1.14.1"
   },
   "dependencies": {
+    "auth0-lock": "^10.0.0",
+    "jwt-decode": "^2.1.0",
     "postcss": "^5.1.0",
     "react": "^15.2.1",
     "react-dom": "^15.2.1"

src/components/App/App.jsx

@@ -1,12 +1,54 @@
 import React, { Component } from 'react';
+import AuthService from '../../utils/AuthService'
 import './App.scss';
+import MainMenu from '../MainMenu/MainMenu';
+import Login from '../Login/Login';
+
+const options = {
+    auth: {
+        params: {
+            redirectUrl: 'http://localhost:8080',
+            responseType: 'token'
+        }
+    }
+};
+const auth = new AuthService(__AUTH0_CLIENT_ID__, __AUTH0_DOMAIN__, options);
 
 class App extends Component {
+    constructor(props) {
+        super(props);
+        this.state = {
+            profile: auth.getProfile()
+        }
+        auth.on('profile_updated', (newProfile) => {
+            this.setState({profile: newProfile})
+        })
+        this.loginButton = this.loginButton.bind(this);
+    }
+
+    logout() {
+        auth.logout()
+        this.setState({
+            profile: auth.getProfile()
+        })
+    }
+
+    loginButton() {
+        if(this.state.profile.hasOwnProperty('user_id'))
+            return <button className="btn-primary" onClick={this.logout.bind(this)}>Log out</button>;
+        else
+            return <button className="btn-primary" onClick={auth.login.bind(this)}>Login</button>;
+    }
+
     render() {
         return (
-            <div>hello world</div>
+            <div>
+                <MainMenu profile={this.state.profile} />
+                {this.loginButton()}
+            </div>
         )
     }
 }
+//                 <Login profile={this.state.profile} />
 
 export default App;

src/components/Login/Login.jsx

@@ -0,0 +1,36 @@
+import React, { Component, PropTypes as T } from 'react';
+import AuthService from '../../utils/AuthService'
+import './Login.scss';
+
+class Login extends Component {
+    constructor(props) {
+        super(props);
+        this.loginButton = this.loginButton.bind(this);
+    }
+
+    logout() {
+/*        this.props.auth.logout()
+        this.setState({
+            profile: this.props.auth.getProfile()
+        }) */
+    }
+
+    loginButton() {
+        if(this.props.profile.hasOwnProperty('user_id'))
+            return <button className="btn-primary" onClick={this.logout.bind(this)}>Log out</button>;
+        else
+            return <button className="btn-primary" onClick={this.props.auth.login.bind(this)}>Login</button>;
+    }
+
+    render() {
+        return (
+            <div>{this.loginButton()}</div>
+        )
+    }
+}
+
+Login.propTypes = {
+    auth: T.instanceOf(AuthService)
+};
+
+export default Login;

src/components/MainMenu/MainMenu.jsx

@@ -0,0 +1,12 @@
+import React, { Component } from 'react';
+import './MainMenu.scss';
+
+class MainMenu extends Component {
+    render() {
+        return (
+            <div>{this.props.profile.hasOwnProperty('user_id')?this.props.profile.name+' is logged in':'not logged in'}</div>
+        )
+    }
+}
+
+export default MainMenu;

src/utils/AuthService.js

@@ -0,0 +1,75 @@
+import { EventEmitter } from 'events'
+import { isTokenExpired } from './jwtHelper'
+import Auth0Lock from 'auth0-lock'
+
+export default class AuthService extends EventEmitter {
+  constructor(clientId, domain, options) {
+    super()
+    // Configure Auth0
+    this.lock = new Auth0Lock(clientId, domain, options)
+    // Add callback for lock `authenticated` event
+    this.lock.on('authenticated', this._doAuthentication.bind(this))
+    // Add callback for lock `authorization_error` event
+    this.lock.on('authorization_error', this._authorizationError.bind(this))
+    // binds login functions to keep this context
+    this.login = this.login.bind(this)
+  }
+
+  _doAuthentication(authResult){
+    // Saves the user token
+    this.setToken(authResult.idToken)
+    // Async loads the user profile data
+    this.lock.getProfile(authResult.idToken, (error, profile) => {
+      if (error) {
+        console.log('Error loading the Profile', error)
+      } else {
+        this.setProfile(profile)
+      }
+    })
+  }
+
+  _authorizationError(error){
+    // Unexpected authentication error
+    console.log('Authentication Error', error)
+  }
+
+  login() {
+    // Call the show method to display the widget.
+    this.lock.show()
+  }
+
+  loggedIn(){
+    // Checks if there is a saved token and it's still valid
+    const token = this.getToken()
+    return !!token && !isTokenExpired(token)
+  }
+
+  setProfile(profile){
+    // Saves profile data to localStorage
+    localStorage.setItem('profile', JSON.stringify(profile))
+    // Triggers profile_updated event to update the UI
+    this.emit('profile_updated', profile)
+  }
+
+  getProfile(){
+    // Retrieves the profile data from localStorage
+    const profile = localStorage.getItem('profile')
+    return profile ? JSON.parse(localStorage.profile) : {}
+  }
+
+  setToken(idToken){
+    // Saves user token to localStorage
+    localStorage.setItem('id_token', idToken)
+  }
+
+  getToken(){
+    // Retrieves the user token from localStorage
+    return localStorage.getItem('id_token')
+  }
+
+  logout(){
+    // Clear user token and profile data from localStorage
+    localStorage.removeItem('id_token');
+    localStorage.removeItem('profile');
+  }
+}

src/utils/jwtHelper.js

@@ -0,0 +1,21 @@
+import decode from 'jwt-decode';
+
+export function getTokenExpirationDate(token){
+  const decoded = decode(token)
+  if(!decoded.exp) {
+    return null
+  }
+
+  const date = new Date(0) // The 0 here is the key, which sets the date to the epoch
+  date.setUTCSeconds(decoded.exp)
+  return date
+}
+
+export function isTokenExpired(token){
+  const date = getTokenExpirationDate(token)
+  const offsetSeconds = 0
+  if (date === null) {
+    return false
+  }
+  return !(date.valueOf() > (new Date().valueOf() + (offsetSeconds * 1000)))
+}

webpack.config.js

@@ -1,8 +1,25 @@
-var path = require('path');
+const NODE_ENV = 'development';
-var webpack = require('webpack');
+const dotenv = require('dotenv');
-var autoprefixer = require('autoprefixer');
+
-var precss = require('precss');
+const webpack = require('webpack');
-var HtmlWebPackPlugin = require('html-webpack-plugin');
+const fs = require('fs');
+const path = require('path');
+const autoprefixer = require('autoprefixer');
+const precss = require('precss');
+const HtmlWebPackPlugin = require('html-webpack-plugin');
+
+const dotEnvVars = dotenv.config();
+const envVariables =
+    Object.assign({}, dotEnvVars);
+const defines =
+  Object.keys(envVariables)
+  .reduce((memo, key) => {
+    const val = JSON.stringify(envVariables[key]);
+    memo[`__${key.toUpperCase()}__`] = val;
+    return memo;
+  }, {
+    __NODE_ENV__: JSON.stringify(NODE_ENV)
+  });
 
 module.exports = {
     entry: [
@@ -24,7 +41,8 @@ module.exports = {
             filename: '../index.html'
         }),
         new webpack.HotModuleReplacementPlugin(),
-        new webpack.NoErrorsPlugin()
+        new webpack.NoErrorsPlugin(),
+        new webpack.DefinePlugin(defines)
     ],
     module: {
         loaders: [

webpack.config.prod.js

@@ -1,8 +1,25 @@
-var path = require('path');
+const NODE_ENV = 'production';
-var webpack = require('webpack');
+const dotenv = require('dotenv');
-var autoprefixer = require('autoprefixer');
+
-var precss = require('precss');
+const webpack = require('webpack');
-var HtmlWebPackPlugin = require('html-webpack-plugin');
+const fs = require('fs');
+const path = require('path');
+const autoprefixer = require('autoprefixer');
+const precss = require('precss');
+const HtmlWebPackPlugin = require('html-webpack-plugin');
+
+const dotEnvVars = dotenv.config();
+const envVariables =
+    Object.assign({}, dotEnvVars);
+const defines =
+  Object.keys(envVariables)
+  .reduce((memo, key) => {
+    const val = JSON.stringify(envVariables[key]);
+    memo[`__${key.toUpperCase()}__`] = val;
+    return memo;
+  }, {
+    __NODE_ENV__: JSON.stringify(NODE_ENV)
+  });
 
 module.exports = {
     devtool: 'cheap-module-source-map',
@@ -35,7 +52,8 @@ module.exports = {
                 warnings: false
             },
         }),
-        new webpack.NoErrorsPlugin()
+        new webpack.NoErrorsPlugin(),
+        new webpack.DefinePlugin(defines)        
     ],
     module: {
         loaders: [