Я пытаюсь выполнить следующий код:
using System;
using Microsoft.Graph;
using Microsoft.Graph.Auth;
using Microsoft.Graph.Core;
using Microsoft.Identity.Client;
using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Linq;
namespace AzureActiveDirectory
{
class Program
{
//3. Copy the following code as is to your application.
// Register your app on the Azure AD application registration portal
// Remember to :
// 1. Check the redirect uri starting with "msal"
// 2. Set "Treat application as public client" to "Yes"
const string clientId = "XXXXXX";
const string tenant = "XXXXX";
const string redirectUri = "http://localhost";
// Change the following between each call to create/update user if not deleting the user
private static string givenName = "test99";
private static string surname = "user99";
private static void Main(string[] args)
{
// Initialize and prepare MSAL
//What we want to do
// string[] scopes = new string[] { "user.read", "user.readwrite.all" };
string[] scopes = new string[] { "user.read" };
IPublicClientApplication app = PublicClientApplicationBuilder.Create(clientId)
.WithAuthority(new Uri($"https://login.microsoftonline.com/{tenant}"))
.WithRedirectUri(redirectUri)
.Build();
// Initialize the Graph SDK authentication provider
InteractiveAuthenticationProvider authenticationProvider = new InteractiveAuthenticationProvider(app, scopes);
GraphServiceClient graphServiceClient = new GraphServiceClient(authenticationProvider);
// Get information from Graph about the currently signed-In user
Console.WriteLine("--Fetching details of the currently signed-in user--");
GetMeAsync(graphServiceClient).GetAwaiter().GetResult();
Console.WriteLine("---------");
// Create a new user
Console.WriteLine($"--Creating a new user in the tenant '{tenant}'--");
User newUser = CreateUserAsync(graphServiceClient).Result;
PrintUserDetails(newUser);
Console.WriteLine("---------");
// Update an existing user
if (newUser != null)
{
Console.WriteLine("--Updating the detail of an existing user--");
User updatedUser = UpdateUserAsync(graphServiceClient, userId: newUser.Id, jobTitle: "Program Manager").Result;
PrintUserDetails(updatedUser);
Console.WriteLine("---------");
}
// List existing users
Console.WriteLine("--Listing all users in the tenant--");
List<User> users = GetUsersAsync(graphServiceClient).Result;
users.ForEach(u => PrintUserDetails(u));
Console.WriteLine("---------");
// Delete this user
Console.WriteLine("--Deleting a user in the tenant--");
if (newUser != null)
{
DeleteUserAsync(graphServiceClient, newUser?.Id).GetAwaiter().GetResult(); ;
}
Console.WriteLine("---------");
// List existing users after deletion
Console.WriteLine("--Listing all users in the tenant after deleting a user.--");
users = GetUsersAsync(graphServiceClient).Result;
users.ForEach(u => PrintUserDetails(u));
Console.WriteLine("---------");
Console.WriteLine("Press any key to exit");
Console.ReadKey();
}
private static async Task GetMeAsync(GraphServiceClient graphServiceClient)
{
// Call /me Api
var me = await graphServiceClient.Me.Request().GetAsync();
Console.WriteLine($"Display Name from /me->{me.DisplayName}");
var directreports = await graphServiceClient.Me.DirectReports.Request().GetAsync();
foreach (User user in directreports.CurrentPage)
{
Console.WriteLine($"Report's Display Name ->{user.DisplayName}");
}
}
private static async Task<User> CreateUserAsync(GraphServiceClient graphServiceClient)
{
User newUserObject = null;
string displayname = $"{givenName} {surname}";
string mailNickName = $"{givenName}{surname}";
string upn = $"{mailNickName}{tenant}";
string password = "p@$$w0rd!";
try
{
newUserObject = await graphServiceClient.Users.Request().AddAsync(new User
{
AccountEnabled = true,
DisplayName = displayname,
MailNickname = mailNickName,
GivenName = givenName,
Surname = surname,
PasswordProfile = new PasswordProfile
{
Password = password
},
UserPrincipalName = upn
});
}
catch (ServiceException e)
{
Console.WriteLine("We could not add a new user: " + e.Error.Message);
return null;
}
return newUserObject;
}
private static void PrintUserDetails(User user)
{
if (user != null)
{
Console.WriteLine($"DisplayName-{user.DisplayName}, MailNickname- {user.MailNickname}, GivenName-{user.GivenName}, Surname-{user.Surname}, Upn-{user.UserPrincipalName}, JobTitle-{user.JobTitle}, Id-{user.Id}");
}
else
{
Console.WriteLine("The provided User is null!");
}
}
private static async Task<User> UpdateUserAsync(GraphServiceClient graphServiceClient, string userId, string jobTitle)
{
User updatedUser = null;
try
{
// Update the user.
updatedUser = await graphServiceClient.Users[userId].Request().UpdateAsync(new User
{
JobTitle = jobTitle
});
}
catch (ServiceException e)
{
Console.WriteLine($"We could not update details of the user with Id {userId}: " + $"{e}");
}
return updatedUser;
}
private static async Task<List<User>> GetUsersAsync(GraphServiceClient graphServiceClient)
{
List<User> allUsers = new List<User>();
try
{
IGraphServiceUsersCollectionPage users = await graphServiceClient.Users.Request().Top(5).GetAsync();
// When paginating
//while(users.NextPageRequest != null)
//{
// users = await users.NextPageRequest.GetAsync();
//}
if (users?.CurrentPage.Count > 0)
{
foreach (User user in users)
{
allUsers.Add(user);
}
}
}
catch (ServiceException e)
{
Console.WriteLine("We could not retrieve the user's list: " + $"{e}");
return null;
}
return allUsers;
}
private static async Task DeleteUserAsync(GraphServiceClient graphServiceClient, string userId)
{
try
{
await graphServiceClient.Users[userId].Request().DeleteAsync();
}
catch (ServiceException e)
{
Console.WriteLine($"We could not delete the user with Id-{userId}: " + $"{e}");
}
}
}
}
После предоставления доступа к приложению во время выполнения, я получил следующее исключение:
Microsoft.Graph.ServiceException: 'Code: generalException Message : Произошла ошибка при отправке запроса. '
NullReferenceException: ссылка на объект не установлена для экземпляра объекта.
в GetMeAsyn c (graphServiceClient) .GetAwaiter (). GetResult ();
Пожалуйста Справка.
Кратчайший код для воспроизведения проблемы.
using System;
using Microsoft.Graph;
using Microsoft.Graph.Auth;
using Microsoft.Graph.Core;
using Microsoft.Identity.Client;
using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Linq;
namespace AzureActiveDirectory
{
class Program
{
//3. Copy the following code as is to your application.
// Register your app on the Azure AD application registration portal
// Remember to :
// 1. Check the redirect uri starting with "msal"
// 2. Set "Treat application as public client" to "Yes"
const string clientId = "XXXXXX";
const string tenant = "XXXXX";
const string redirectUri = "http://localhost";
// Change the following between each call to create/update user if not deleting the user
private static string givenName = "test99";
private static string surname = "user99";
private static void Main(string[] args)
{
// Initialize and prepare MSAL
//What we want to do
// string[] scopes = new string[] { "user.read", "user.readwrite.all" };
string[] scopes = new string[] { "user.read" };
IPublicClientApplication app = PublicClientApplicationBuilder.Create(clientId)
.WithAuthority(new Uri($"https://login.microsoftonline.com/{tenant}"))
.WithRedirectUri(redirectUri)
.Build();
// Initialize the Graph SDK authentication provider
InteractiveAuthenticationProvider authenticationProvider = new InteractiveAuthenticationProvider(app, scopes);
GraphServiceClient graphServiceClient = new GraphServiceClient(authenticationProvider);
// Get information from Graph about the currently signed-In user
Console.WriteLine("--Fetching details of the currently signed-in user--");
GetMeAsync(graphServiceClient).GetAwaiter().GetResult();
Console.WriteLine("---------");
// Create a new user
Console.WriteLine("---------");
Console.WriteLine("Press any key to exit");
Console.ReadKey();
}
private static async Task GetMeAsync(GraphServiceClient graphServiceClient)
{
// Call /me Api
var me = await graphServiceClient.Me.Request().GetAsync();
Console.WriteLine($"Display Name from /me->{me.DisplayName}");
var directreports = await graphServiceClient.Me.DirectReports.Request().GetAsync();
foreach (User user in directreports.CurrentPage)
{
Console.WriteLine($"Report's Display Name ->{user.DisplayName}");
}
}
}
}
