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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.ComponentModel.DataAnnotations;
using System.Text;
using System.Text.Encodings.Web;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.WebUtilities;
namespace Microsoft.AspNetCore.Identity.UI.V4.Pages.Account.Manage.Internal;
/// <summary>
/// This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
[IdentityDefaultUI(typeof(EmailModel<>))]
public abstract class EmailModel : PageModel
{
/// <summary>
/// This API supports the ASP.NET Core Identity default UI 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? Email { get; set; }
/// <summary>
/// This API supports the ASP.NET Core Identity default UI 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 IsEmailConfirmed { get; set; }
/// <summary>
/// This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
[TempData]
public string? StatusMessage { get; set; }
/// <summary>
/// This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
[BindProperty]
public InputModel Input { get; set; } = default!;
/// <summary>
/// This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public class InputModel
{
/// <summary>
/// This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
[Required]
[EmailAddress]
[Display(Name = "New email")]
public string NewEmail { get; set; } = default!;
}
/// <summary>
/// This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual Task<IActionResult> OnGetAsync() => throw new NotImplementedException();
/// <summary>
/// This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual Task<IActionResult> OnPostChangeEmailAsync() => throw new NotImplementedException();
/// <summary>
/// This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual Task<IActionResult> OnPostSendVerificationEmailAsync() => throw new NotImplementedException();
}
internal sealed class EmailModel<TUser> : EmailModel where TUser : class
{
private readonly UserManager<TUser> _userManager;
private readonly SignInManager<TUser> _signInManager;
private readonly IEmailSender<TUser> _emailSender;
public EmailModel(
UserManager<TUser> userManager,
SignInManager<TUser> signInManager,
IEmailSender<TUser> emailSender)
{
_userManager = userManager;
_signInManager = signInManager;
_emailSender = emailSender;
}
private async Task LoadAsync(TUser user)
{
var email = await _userManager.GetEmailAsync(user);
Email = email;
Input = new InputModel
{
NewEmail = email!,
};
IsEmailConfirmed = await _userManager.IsEmailConfirmedAsync(user);
}
public override async Task<IActionResult> OnGetAsync()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
}
await LoadAsync(user);
return Page();
}
public override async Task<IActionResult> OnPostChangeEmailAsync()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
}
if (!ModelState.IsValid)
{
await LoadAsync(user);
return Page();
}
var email = await _userManager.GetEmailAsync(user);
if (Input.NewEmail != email)
{
var userId = await _userManager.GetUserIdAsync(user);
var code = await _userManager.GenerateChangeEmailTokenAsync(user, Input.NewEmail);
code = WebEncoders.Base64UrlEncode(Encoding.UTF8.GetBytes(code));
var callbackUrl = Url.Page(
"/Account/ConfirmEmailChange",
pageHandler: null,
values: new { area = "Identity", userId = userId, email = Input.NewEmail, code = code },
protocol: Request.Scheme)!;
await _emailSender.SendConfirmationLinkAsync(user, Input.NewEmail, HtmlEncoder.Default.Encode(callbackUrl));
StatusMessage = "Confirmation link to change email sent. Please check your email.";
return RedirectToPage();
}
StatusMessage = "Your email is unchanged.";
return RedirectToPage();
}
public override async Task<IActionResult> OnPostSendVerificationEmailAsync()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
}
if (!ModelState.IsValid)
{
await LoadAsync(user);
return Page();
}
var userId = await _userManager.GetUserIdAsync(user);
var email = await _userManager.GetEmailAsync(user);
var code = await _userManager.GenerateEmailConfirmationTokenAsync(user);
code = WebEncoders.Base64UrlEncode(Encoding.UTF8.GetBytes(code));
var callbackUrl = Url.Page(
"/Account/ConfirmEmail",
pageHandler: null,
values: new { area = "Identity", userId = userId, code = code },
protocol: Request.Scheme);
await _emailSender.SendConfirmationLinkAsync(user, email!, HtmlEncoder.Default.Encode(callbackUrl!));
StatusMessage = "Verification email sent. Please check your email.";
return RedirectToPage();
}
}
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