frankhu-2021

using Microsoft.Graph;
static async Task getUsersUsingGraphServiceClient()
        {
            var graphServiceClient = new GraphServiceClient(new DelegateAuthenticationProvider((requestMessage) =>
            {
                requestMessage
                    .Headers
                    .Authorization = new AuthenticationHeaderValue("Bearer", result.AccessToken);

                return Task.FromResult(0);

frankhu-2021

using Microsoft.IdentityModel.Clients.ActiveDirectory;
        static async Task getAccessToken()
        {
            int retryCount = 0;
            bool retry = false;
            authContext = new AuthenticationContext(authority + tenantID);

            do
            {
                retry = false;

frankhu-2021

        static void Main(string[] args)
        {
            getAccessToken().Wait();
            // GetMembers utilizes HTTP Client, will print JSON Prettified in method
            getMembers().Wait();
            Console.WriteLine("\n Press Enter to exit the program \n");
            Console.ReadLine();
        }

frankhu-2021

using System.IdentityModel.Tokens.Jwt;

  static async Task prettyJWTPrint(String myToken)
        {
            //Assume the input is in a control called txtJwtIn,
            //and the output will be placed in a control called txtJwtOut
            var jwtHandler = new JwtSecurityTokenHandler();
            var jwtInput = myToken;
            String prettyPrint = "";

frankhu-2021

using Microsoft.IdentityModel.Clients.ActiveDirectory;
using System.Net.Http;
using System.Net.Http.Headers;

        static async Task getMembers()
        {
            httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", result.AccessToken);
            Console.WriteLine("\n \n Retrieving users {0}", DateTime.Now.ToString());
            HttpResponseMessage response = await httpClient.GetAsync(resourceUri + "/v1.0/users?$top=5");

frankhu-2021

using Newtonsoft.Json;

        public static string JsonPrettify(string json)
        {
            using (var stringReader = new StringReader(json))
            using (var stringWriter = new StringWriter())
            {
                var jsonReader = new JsonTextReader(stringReader);
                var jsonWriter = new JsonTextWriter(stringWriter) { Formatting = Formatting.Indented };
                jsonWriter.WriteToken(jsonReader);

frankhu-2021

  private static string resourceUri = "https://graph.microsoft.com"; //Insert your resource here, I will keep this as the MSFT Graph resource
  private static string clientId = "<your-client-id>"; // Insert your Client ID here 
  private static string redirectUri = "<your-redirect-uri>"; // Insert your redirect URI here (Reply URL of AAD Application Registration)
  private static string authority = "https://login.microsoftonline.com/";
  private static string tenantID = "<your-tenant-id>"; // Insert Your Tenant ID here 
  private static AuthenticationContext authContext = null;
  private static AuthenticationResult result = null;
  private static HttpClient httpClient = new HttpClient();