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Introducing Dashboard Analytics
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@azure/msal-browser
Advanced tools
The @azure/msal-browser package is a library that enables browser-based applications to authenticate users using Azure Active Directory and to obtain tokens to access protected APIs. It implements the OAuth 2.0 and OpenID Connect protocols in a client-side JavaScript application.
Authentication
This feature allows users to sign in and obtain an ID token through a popup window.
const msalConfig = {
auth: {
clientId: 'your-client-id',
authority: 'https://login.microsoftonline.com/common',
redirectUri: 'your-redirect-uri'
}
};
const myMSALObj = new msal.PublicClientApplication(msalConfig);
function signIn() {
myMSALObj.loginPopup()
.then(loginResponse => {
console.log('id_token acquired at: ' + new Date().toString());
if (myMSALObj.getAccount()) {
console.log('Logged in');
}
}).catch(error => {
console.error(error);
});
}
Acquiring Tokens
This feature is used to acquire tokens silently or through a popup if required by the application.
const tokenRequest = {
scopes: ['user.read'],
forceRefresh: false
};
function getTokenPopup(request) {
return myMSALObj.acquireTokenSilent(request)
.catch(error => {
console.warn('silent token acquisition fails. acquiring token using popup');
if (error instanceof msal.InteractionRequiredAuthError) {
return myMSALObj.acquireTokenPopup(request)
.then(tokenResponse => {
return tokenResponse;
}).catch(error => {
console.error(error);
});
} else {
console.warn(error);
}
});
}
Single Sign-Out
This feature allows users to sign out of the application and clear the user's session.
function signOut() {
const logoutRequest = {
account: myMSALObj.getAccount()
};
myMSALObj.logout(logoutRequest);
}
The oidc-client package is a low-level JavaScript library for implementing OpenID Connect (OIDC) clients in the browser. It provides more granular control over the authentication process compared to @azure/msal-browser but requires more setup and understanding of the OIDC protocol.
The react-adal package is a React library that provides Azure Active Directory Authentication in ReactJS applications. It is specifically tailored for React applications and uses the ADAL.js library under the hood. It is less modern and feature-rich compared to @azure/msal-browser, which uses the newer MSAL.js library.
The angular-auth-oidc-client package is an Angular library for implementing OpenID Connect and OAuth2 in Angular applications. It is designed specifically for Angular and provides a similar feature set to @azure/msal-browser but is tailored to the Angular framework.
Getting Started | AAD Docs | Library Reference |
---|
The MSAL library for JavaScript enables client-side JavaScript applications to authenticate users using Azure AD work and school accounts (AAD), Microsoft personal accounts (MSA) and social identity providers like Facebook, Google, LinkedIn, Microsoft accounts, etc. through Azure AD B2C service. It also enables your app to get tokens to access Microsoft Cloud services such as Microsoft Graph.
The @azure/msal-browser
package described by the code in this folder uses the @azure/msal-common
package as a dependency to enable authentication in JavaScript Single-Page Applications without backend servers. This version of the library uses the OAuth 2.0 Authorization Code Flow with PKCE. To read more about this protocol, as well as the differences between implicit flow and authorization code flow, see the section below.
This is an improvement upon the previous @azure/msal
library which will utilize the authorization code flow in the browser. Most features available in the old library will be available in this one, but there are nuances to the authentication flow in both. The @azure/msal-browser
package does NOT support the implicit flow.
See here.
See here.
@azure/msal-browser
is meant to be used in Single-Page Application scenarios.
Before using @azure/msal-browser
you will need to register a Single Page Application in Azure AD to get a valid clientId
for configuration, and to register the routes that your app will accept redirect traffic on.
npm install @azure/msal-browser
The msal-browser-samples
folder contains sample applications for our libraries.
More instructions to run the samples can be found in the README.md
file of the VanillaJSTestApp2.0 folder.
More advanced samples backed with a tutorial can be found in the Azure Samples space on GitHub:
We also provide samples for addin/plugin scenarios:
See the contributing.md
file for more information.
To build the @azure/msal-browser
library, you can do the following:
// Change to the msal-browser package directory
cd lib/msal-browser/
// To run build only for browser package
npm run build
To build both the @azure/msal-browser
library and @azure/msal-common
libraries, you can do the following:
// Change to the msal-browser package directory
cd lib/msal-browser/
// To run build only for browser package
npm run build:all
@azure/msal-browser
uses jest to run unit tests.
// To run tests
npm test
// To run tests with code coverage
npm run test:coverage
If you are using a framework such as Angular or React you may be interested in using one of our wrapper libraries:
If you find a security issue with our libraries or services please report it to secure@microsoft.com with as much detail as possible. Your submission may be eligible for a bounty through the Microsoft Bounty program. Please do not post security issues to GitHub Issues or any other public site. We will contact you shortly upon receiving the information. We encourage you to get notifications of when security incidents occur by visiting this page and subscribing to Security Advisory Alerts.
Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT License.
This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.
FAQs
Microsoft Authentication Library for js
The npm package @azure/msal-browser receives a total of 645,374 weekly downloads. As such, @azure/msal-browser popularity was classified as popular.
We found that @azure/msal-browser demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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