missing email claims from info.principal.claims - asp.net-core-mvc

Question

startup.cs
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Security.Claims;
using System.Text;
using System.Text.Encodings.Web;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Identity.UI.Services;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.WebUtilities;
using Microsoft.Extensions.Logging;
namespace Rocky.Areas.Identity.Pages.Account
{
[AllowAnonymous]
public class ExternalLoginModel : PageModel
{
private readonly SignInManager<IdentityUser> _signInManager;
private readonly UserManager<IdentityUser> _userManager;
private readonly IEmailSender _emailSender;
private readonly ILogger<ExternalLoginModel> _logger;
public ExternalLoginModel(
SignInManager<IdentityUser> signInManager,
UserManager<IdentityUser> userManager,
ILogger<ExternalLoginModel> logger,
IEmailSender emailSender)
{
_signInManager = signInManager;
_userManager = userManager;
_logger = logger;
_emailSender = emailSender;
}
[BindProperty]
public InputModel Input { get; set; }
public string ProviderDisplayName { get; set; }
public string ReturnUrl { get; set; }
[TempData]
public string ErrorMessage { get; set; }
public class InputModel
{
[Required]
[EmailAddress]
public string Email { get; set; }
[Required]
public string FullName { get; set; }
[Required]
public string phoneNumber { get; set; }
}
public IActionResult OnGetAsync()
{
return RedirectToPage("./Login");
}
public IActionResult OnPost(string provider, string returnUrl = null)
{
// Request a redirect to the external login provider.
var redirectUrl = Url.Page("./ExternalLogin", pageHandler: "Callback", values: new { returnUrl });
var properties = _signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl);
return new ChallengeResult(provider, properties);
}
public async Task<IActionResult> OnGetCallbackAsync(string returnUrl = null, string remoteError = null)
{
returnUrl = returnUrl ?? Url.Content("~/");
if (remoteError != null)
{
ErrorMessage = $"Error from external provider: {remoteError}";
return RedirectToPage("./Login", new {ReturnUrl = returnUrl });
}
var info = await _signInManager.GetExternalLoginInfoAsync();
if (info == null)
{
ErrorMessage = "Error loading external login information.";
return RedirectToPage("./Login", new { ReturnUrl = returnUrl });
}
// Sign in the user with this external login provider if the user already has a login.
var result = await _signInManager.ExternalLoginSignInAsync(info.LoginProvider, info.ProviderKey, isPersistent: false, bypassTwoFactor : true);
if (result.Succeeded)
{
_logger.LogInformation("{Name} logged in with {LoginProvider} provider.", info.Principal.Identity.Name, info.LoginProvider);
return LocalRedirect(returnUrl);
}
if (result.IsLockedOut)
{
return RedirectToPage("./Lockout");
}
else
{
// If the user does not have an account, then ask the user to create an account.
ReturnUrl = returnUrl;
ProviderDisplayName = info.ProviderDisplayName;
if (info.Principal.HasClaim(c => c.Type == ClaimTypes.Email))
{
Input = new InputModel
{
Email = info.Principal.FindFirstValue(ClaimTypes.Email)
};
}
Input = new InputModel
{
Email = info.Principal.FindFirstValue(ClaimTypes.Email),
FullName= info.Principal.FindFirstValue(ClaimTypes.Name),
};
return Page();
}
}
public async Task<IActionResult> OnPostConfirmationAsync(string returnUrl = null)
{
returnUrl = returnUrl ?? Url.Content("~/");
// Get the information about the user from the external login provider
var info = await _signInManager.GetExternalLoginInfoAsync();
if (info == null)
{
ErrorMessage = "Error loading external login information during confirmation.";
return RedirectToPage("./Login", new { ReturnUrl = returnUrl });
}
if (ModelState.IsValid)
{
var user = new IdentityUser { UserName = Input.Email, Email = Input.Email };
var result = await _userManager.CreateAsync(user);
if (result.Succeeded)
{
result = await _userManager.AddLoginAsync(user, info);
if (result.Succeeded)
{
_logger.LogInformation("User created an account using {Name} provider.", info.LoginProvider);
var userId = await _userManager.GetUserIdAsync(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.SendEmailAsync(Input.Email, "Confirm your email",
$"Please confirm your account by <a href='{HtmlEncoder.Default.Encode(callbackUrl)}'>clicking here</a>.");
// If account confirmation is required, we need to show the link if we don't have a real email sender
if (_userManager.Options.SignIn.RequireConfirmedAccount)
{
return RedirectToPage("./RegisterConfirmation", new { Email = Input.Email });
}
await _signInManager.SignInAsync(user, isPersistent: false, info.LoginProvider);
return LocalRedirect(returnUrl);
}
}
foreach (var error in result.Errors)
{
ModelState.AddModelError(string.Empty, error.Description);
}
}
ProviderDisplayName = info.ProviderDisplayName;
ReturnUrl = returnUrl;
return Page();
}
}
}
externallogin.cshtml.cs
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Security.Claims;
using System.Text;
using System.Text.Encodings.Web;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Identity.UI.Services;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.WebUtilities;
using Microsoft.Extensions.Logging;
namespace Rocky.Areas.Identity.Pages.Account
{
[AllowAnonymous]
public class ExternalLoginModel : PageModel
{
private readonly SignInManager<IdentityUser> _signInManager;
private readonly UserManager<IdentityUser> _userManager;
private readonly IEmailSender _emailSender;
private readonly ILogger<ExternalLoginModel> _logger;
public ExternalLoginModel(
SignInManager<IdentityUser> signInManager,
UserManager<IdentityUser> userManager,
ILogger<ExternalLoginModel> logger,
IEmailSender emailSender)
{
_signInManager = signInManager;
_userManager = userManager;
_logger = logger;
_emailSender = emailSender;
}
[BindProperty]
public InputModel Input { get; set; }
public string ProviderDisplayName { get; set; }
public string ReturnUrl { get; set; }
[TempData]
public string ErrorMessage { get; set; }
public class InputModel
{
[Required]
[EmailAddress]
public string Email { get; set; }
[Required]
public string FullName { get; set; }
[Required]
public string phoneNumber { get; set; }
}
public IActionResult OnGetAsync()
{
return RedirectToPage("./Login");
}
public IActionResult OnPost(string provider, string returnUrl = null)
{
// Request a redirect to the external login provider.
var redirectUrl = Url.Page("./ExternalLogin", pageHandler: "Callback", values: new { returnUrl });
var properties = _signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl);
return new ChallengeResult(provider, properties);
}
public async Task<IActionResult> OnGetCallbackAsync(string returnUrl = null, string remoteError = null)
{
returnUrl = returnUrl ?? Url.Content("~/");
if (remoteError != null)
{
ErrorMessage = $"Error from external provider: {remoteError}";
return RedirectToPage("./Login", new {ReturnUrl = returnUrl });
}
var info = await _signInManager.GetExternalLoginInfoAsync();
if (info == null)
{
ErrorMessage = "Error loading external login information.";
return RedirectToPage("./Login", new { ReturnUrl = returnUrl });
}
// Sign in the user with this external login provider if the user already has a login.
var result = await _signInManager.ExternalLoginSignInAsync(info.LoginProvider, info.ProviderKey, isPersistent: false, bypassTwoFactor : true);
if (result.Succeeded)
{
_logger.LogInformation("{Name} logged in with {LoginProvider} provider.", info.Principal.Identity.Name, info.LoginProvider);
return LocalRedirect(returnUrl);
}
if (result.IsLockedOut)
{
return RedirectToPage("./Lockout");
}
else
{
// If the user does not have an account, then ask the user to create an account.
ReturnUrl = returnUrl;
ProviderDisplayName = info.ProviderDisplayName;
if (info.Principal.HasClaim(c => c.Type == ClaimTypes.Email))
{
Input = new InputModel
{
Email = info.Principal.FindFirstValue(ClaimTypes.Email)
};
}
return Page();
}
}
public async Task<IActionResult> OnPostConfirmationAsync(string returnUrl = null)
{
returnUrl = returnUrl ?? Url.Content("~/");
// Get the information about the user from the external login provider
var info = await _signInManager.GetExternalLoginInfoAsync();
if (info == null)
{
ErrorMessage = "Error loading external login information during confirmation.";
return RedirectToPage("./Login", new { ReturnUrl = returnUrl });
}
if (ModelState.IsValid)
{
var user = new IdentityUser { UserName = Input.Email, Email = Input.Email };
var result = await _userManager.CreateAsync(user);
if (result.Succeeded)
{
result = await _userManager.AddLoginAsync(user, info);
if (result.Succeeded)
{
_logger.LogInformation("User created an account using {Name} provider.", info.LoginProvider);
var userId = await _userManager.GetUserIdAsync(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.SendEmailAsync(Input.Email, "Confirm your email",
$"Please confirm your account by <a href='{HtmlEncoder.Default.Encode(callbackUrl)}'>clicking here</a>.");
// If account confirmation is required, we need to show the link if we don't have a real email sender
if (_userManager.Options.SignIn.RequireConfirmedAccount)
{
return RedirectToPage("./RegisterConfirmation", new { Email = Input.Email });
}
await _signInManager.SignInAsync(user, isPersistent: false, info.LoginProvider);
return LocalRedirect(returnUrl);
}
}
foreach (var error in result.Errors)
{
ModelState.AddModelError(string.Empty, error.Description);
}
}
ProviderDisplayName = info.ProviderDisplayName;
ReturnUrl = returnUrl;
return Page();
}
}
}
i want to populate email of fb user while registration but email claim is missing from info.principal.claims in externallogin.cs
i m getting null i tried so many approches but failed if anyone know how to solve this i m using .net 5 and included package for Facebook 5.0.17
image of getting null as email