Console App Example

dotnet new console -n EntraAuthConsole
cd EntraAuthConsole
dotnet add package Microsoft.Identity.Client

using Microsoft.Identity.Client;
using System;
using System.Linq;
using System.Threading.Tasks;

namespace EntraAuthConsole
{
    class Program
    {
        // Configuration - replace with your values
        private const string ClientId = "YOUR_APPLICATION_CLIENT_ID";
        private const string TenantId = "YOUR_TENANT_ID";
        private static readonly string[] Scopes = new[] { "User.Read" };

        static async Task Main(string[] args)
        {
            try
            {
                // Build the MSAL client
                var app = PublicClientApplicationBuilder
                    .Create(ClientId)
                    .WithAuthority(AzureCloudInstance.AzurePublic, TenantId)
                    .WithRedirectUri("http://localhost")
                    .Build();

                // Try to get token silently from cache first
                var accounts = await app.GetAccountsAsync();
                AuthenticationResult result;

                try
                {
                    result = await app.AcquireTokenSilent(Scopes, accounts.FirstOrDefault())
                        .ExecuteAsync();
                    Console.WriteLine("Token acquired from cache");
                }
                catch (MsalUiRequiredException)
                {
                    // Interactive authentication required
                    result = await app.AcquireTokenInteractive(Scopes)
                        .WithPrompt(Prompt.SelectAccount)
                        .ExecuteAsync();
                    Console.WriteLine("Token acquired interactively");
                }

                // Display user information
                Console.WriteLine($"\nWelcome, {result.Account.Username}!");
                Console.WriteLine($"Token expires: {result.ExpiresOn}");

                // Call Microsoft Graph API
                await CallGraphApiAsync(result.AccessToken);
            }
            catch (MsalException ex)
            {
                Console.WriteLine($"Error acquiring token: {ex.Message}");
            }
        }

        private static async Task CallGraphApiAsync(string accessToken)
        {
            using var httpClient = new System.Net.Http.HttpClient();
            httpClient.DefaultRequestHeaders.Authorization = 
                new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", accessToken);

            var response = await httpClient.GetAsync("https://graph.microsoft.com/v1.0/me");
            
            if (response.IsSuccessStatusCode)
            {
                var content = await response.Content.ReadAsStringAsync();
                Console.WriteLine("\nUser profile from Microsoft Graph:");
                Console.WriteLine(content);
            }
            else
            {
                Console.WriteLine($"API call failed: {response.StatusCode}");
            }
        }
    }
}

dotnet run

// Use this for servers or devices without a browser
result = await app.AcquireTokenWithDeviceCode(Scopes, deviceCodeResult =>
{
    Console.WriteLine(deviceCodeResult.Message);
    return Task.CompletedTask;
}).ExecuteAsync();

pip install msal requests

import msal
import requests
import json

# Configuration - replace with your values
CLIENT_ID = "YOUR_APPLICATION_CLIENT_ID"
TENANT_ID = "YOUR_TENANT_ID"
AUTHORITY = f"https://login.microsoftonline.com/{TENANT_ID}"
SCOPES = ["User.Read"]

def acquire_token_interactive():
    """Acquire token using interactive flow (opens browser)"""
    app = msal.PublicClientApplication(
        CLIENT_ID

python console_app.py

npm init -y
npm install @azure/msal-node axios

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

// Configuration - replace with your values
const config = {
    auth: {
        clientId: "YOUR_APPLICATION_CLIENT_ID",
        authority: "https://login.microsoftonline.com/YOUR_TENANT_ID",
    }
};

const scopes = ["User.Read"];

// Interactive authentication (opens browser)

node console_app.js