Error.cshtml.cs

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

using System.Diagnostics;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;

namespace Microsoft.Identity.Web.UI.Areas.MicrosoftIdentity.Pages.Account
{
    /// <summary>
    /// Model for the Error page.
    /// </summary>
    [AllowAnonymous]
    [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
    public class ErrorModel : PageModel
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="ErrorModel"/> class.
        /// </summary>
        /// <param name="errorAccessor">Error accessor.</param>
        public ErrorModel(ILoginErrorAccessor errorAccessor)
        {
            Error = errorAccessor;
        }

        /// <summary>
        /// This API supports infrastructure and is not intended to be used
        /// directly from your code. This API may change or be removed in future releases.
        /// </summary>
        public string? RequestId { get; set; }

        /// <summary>
        /// This API supports infrastructure and is not intended to be used
        /// directly from your code. This API may change or be removed in future releases.
        /// </summary>
        public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);

        /// <summary>
        /// This API supports infrastructure and is not intended to be used
        /// directly from your code. This API may change or be removed in future releases.
        /// </summary>
        public ILoginErrorAccessor Error { get; }

        /// <summary>
        /// This API supports infrastructure and is not intended to be used
        /// directly from your code. This API may change or be removed in future releases.
        /// </summary>
        public void OnGet()
        {
            RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier;
        }
    }
}