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using Azure.Core;
using DWSIM.Simulate365.Enums;
using DWSIM.Simulate365.Models;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IdentityModel;
using System.Linq;
using System.Net.Http.Headers;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
namespace DWSIM.Simulate365
{
public class MsGraphUserProvider : IUserProvider
{
const string TENANT_ID = "eb2542b8-5a5d-4f61-a9b5-6ce7dbc4ebfd";
const string CLIENT_ID = "d18e5f18-7709-4ef0-913e-3c8eeecd7d60";
const string SCOPE = "profile openid offline_access";
const string RETURN_URL = "https://dwsim-login-return.simulate365.com";
public async Task<UserDetailsModel> GetUserDetailsAsync(string accessToken)
{
var graphClient = GraphClientFactory.CreateClient(accessToken);
var user = await graphClient.Me.Request().Select("displayName,givenName,surname,id,userPrincipalName,otherMails").GetAsync();
var currentUser = new UserDetailsModel
{
DisplayName = $"{user.GivenName} {user.Surname}",
FirstName = user.GivenName,
LastName = user.Surname,
Id = user.Id,
UserPrincipalName = user.UserPrincipalName,
Email = user.OtherMails?.First()
};
return currentUser;
}
public async Task<OAuthTokenResponse> RefreshTokenAsync(string refreshToken)
{
try
{
using (HttpClient client = new HttpClient())
{
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
string refreshUrl = $"https://login.microsoftonline.com/{TENANT_ID}/oauth2/v2.0/token";
var formData = new Dictionary<string, string>()
{
["client_id"] = CLIENT_ID,
["refresh_token"] = refreshToken,
["scope"] = SCOPE,
["redirect_uri"] = RETURN_URL,
["grant_type"] = "refresh_token",
};
HttpResponseMessage response = await client.PostAsync(refreshUrl, new FormUrlEncodedContent(formData));
var responseStr = await response.Content.ReadAsStringAsync();
// Check for error
var errorResponse = JsonConvert.DeserializeObject<OAuthErrorResponse>(responseStr);
if (errorResponse != null && !String.IsNullOrWhiteSpace(errorResponse.Error))
{
var errorMessage = "An error occured while refreshing authorizaton token.";
if (!String.IsNullOrWhiteSpace(errorResponse.ErrorDescription))
errorMessage = errorResponse.ErrorDescription;
throw new Exception(errorMessage);
}
// Deserialize
var token = JsonConvert.DeserializeObject<OAuthTokenResponse>(responseStr);
token.AccessTokenType = AccessTokenType.MsGraph;
return token;
}
}
catch (Exception ex)
{
// UserLoggedOut?.Invoke(this, new EventArgs());
return null;
}
}
}
}
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