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@azure/msal-node

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@azure/msal-node

Microsoft Authentication Library for Node


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Maintainers
3
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What is @azure/msal-node?

The @azure/msal-node package is a Microsoft library that enables Node.js applications to authenticate users and access secured resources in the Microsoft identity platform, such as Microsoft 365, Azure, and other resources that rely on Microsoft accounts. It supports various OAuth 2.0 and OpenID Connect flows.

What are @azure/msal-node's main functionalities?

Authentication

This code sample demonstrates how to configure the MSAL client and get an authorization code URL, which is the first step in the OAuth 2.0 authorization code flow.

const msal = require('@azure/msal-node');

const config = {
  auth: {
    clientId: 'your_client_id',
    authority: 'https://login.microsoftonline.com/common',
    clientSecret: 'your_client_secret',
  }
};

const cca = new msal.ConfidentialClientApplication(config);

const authCodeUrlParameters = {
  scopes: ['user.read'],
  redirectUri: 'http://localhost:3000/redirect',
};

cca.getAuthCodeUrl(authCodeUrlParameters).then((response) => {
  console.log(response);
});

Acquiring Tokens

This code sample shows how to exchange an authorization code for an access token, which can be used to access secured resources.

const tokenRequest = {
  code: 'authorization_code_received_from_auth_code_url',
  scopes: ['user.read'],
  redirectUri: 'http://localhost:3000/redirect',
};

cca.acquireTokenByCode(tokenRequest).then((response) => {
  console.log(response);
}).catch((error) => {
  console.error(error);
});

Silent Token Acquisition

This code sample illustrates how to silently acquire an access token using a cached account, which is useful for renewing tokens without user interaction.

const silentTokenRequest = {
  account: cca.getAccountByHomeId('user_home_id'),
  scopes: ['user.read'],
};

cca.acquireTokenSilent(silentTokenRequest).then((response) => {
  console.log(response);
}).catch((error) => {
  if (error instanceof msal.InteractionRequiredAuthError) {
    // Fallback to interactive method if silent acquisition fails
  }
});

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Package last updated on 03 Oct 2024

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