auth.js

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

// <authInitSnippet>
// Create the main MSAL instance
// configuration parameters are located in config.js
const msalClient = new msal.PublicClientApplication(msalConfig);
// </authInitSnippet>

// <checkAuthSnippet>
// Check for an already logged-in user
const account = msalClient.getActiveAccount();
if (account) {
 initializeGraphClient(msalClient, account, msalRequest.scopes);
}
// </checkAuthSnippet>

// <signInSnippet>
async function signIn() {
 // Login
 try {
 // Use MSAL to login
 const authResult = await msalClient.loginPopup(msalRequest);
 console.log('id_token acquired at: ' + new Date().toString());
 
 msalClient.setActiveAccount(authResult.account);
 
 // Initialize the Graph client
 initializeGraphClient(msalClient, authResult.account, msalRequest.scopes);
 
 // Get the user's profile from Graph
 const user = await getUser();
 // Save the profile in session
 sessionStorage.setItem('graphUser', JSON.stringify(user));
 updatePage(Views.home);
 } catch (error) {
 console.log(error);
 updatePage(Views.error, {
 message: 'Error logging in',
 debug: error
 });
 }
 }
 // </signInSnippet>
 
 // <signOutSnippet>
function signOut() {
 sessionStorage.removeItem('graphUser');
 msalClient.logout();
 }
 // </signOutSnippet>