abp/modules/openiddict/app/OpenIddict.Demo.Client.BlazorWASM/Pages/Index.razor

@page "/"

@using System.Security.Claims
@inject AuthenticationStateProvider AuthenticationStateProvider

<PageTitle>Index</PageTitle>

<h1>Hello, world!</h1>

<div class="alert alert-warning" role="alert">
    Before authentication will function correctly, you must configure your provider details in <code>Program.cs</code>
</div>

Welcome to your new app.

<SurveyPrompt Title="How is Blazor working for you?"/>

@if (_claims.Count() > 0)
{
    <ul>
        @foreach (var claim in _claims)
        {
            <li>@claim.Type: @claim.Value</li>
        }
    </ul>
}


@code {

        protected override async Task OnInitializedAsync()
        {
            await GetClaimsPrincipalData();
            await base.OnInitializedAsync();
        }

        private IEnumerable<Claim> _claims = Enumerable.Empty<Claim>();

        private async Task GetClaimsPrincipalData()
        {
            var authState = await AuthenticationStateProvider.GetAuthenticationStateAsync();
            var user = authState.User;

            if (user.Identity.IsAuthenticated)
            {

                _claims = user.Claims;
            }
        }
}