@ -20,204 +20,204 @@ using Microsoft.Extensions.Logging;
namespace Gremlin_BlazorServer.Areas.Identity.Pages.Account
{
[AllowAnonymous]
public class ExternalLoginModel : PageModel
{
private readonly SignInManager < IdentityUser > _signInManager ;
private readonly UserManager < IdentityUser > _userManager ;
private readonly IUserStore < IdentityUser > _userStore ;
private readonly IUserEmailStore < IdentityUser > _emailStore ;
private readonly IEmailSender _emailSender ;
private readonly ILogger < ExternalLoginModel > _logger ;
public ExternalLoginModel (
SignInManager < IdentityUser > signInManager ,
UserManager < IdentityUser > userManager ,
IUserStore < IdentityUser > userStore ,
ILogger < ExternalLoginModel > logger ,
IEmailSender emailSender )
{
_signInManager = signInManager ;
_userManager = userManager ;
_userStore = userStore ;
_emailStore = GetEmailStore ( ) ;
_logger = logger ;
_emailSender = emailSender ;
}
/// <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 ; }
/// <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 ProviderDisplayName { 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 string ReturnUrl { 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 ErrorMessage { 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 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]
public string Email { get ; set ; }
}
public IActionResult OnGet ( ) = > 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 = CreateUser ( ) ;
await _userStore . SetUserNameAsync ( user , Input . Email , CancellationToken . None ) ;
await _emailStore . SetEmailAsync ( user , Input . Email , CancellationToken . None ) ;
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 ( ) ;
}
private IdentityUser CreateUser ( )
{
try
{
return Activator . CreateInstance < IdentityUser > ( ) ;
}
catch
{
throw new InvalidOperationException ( $"Can't create an instance of '{nameof(IdentityUser)}'. " +
$"Ensure that '{nameof(IdentityUser)}' is not an abstract class and has a parameterless constructor, or alternatively " +
$"override the external login page in /Areas/Identity/Pages/Account/ExternalLogin.cshtml" ) ;
}
}
private IUserEmailStore < IdentityUser > GetEmailStore ( )
{
if ( ! _userManager . SupportsUserEmail )
{
throw new NotSupportedException ( "The default UI requires a user store with email support." ) ;
}
return ( IUserEmailStore < IdentityUser > ) _userStore ;
}
}
[AllowAnonymous]
public class ExternalLoginModel : PageModel
{
private readonly SignInManager < IdentityUser > _signInManager ;
private readonly UserManager < IdentityUser > _userManager ;
private readonly IUserStore < IdentityUser > _userStore ;
private readonly IUserEmailStore < IdentityUser > _emailStore ;
private readonly IEmailSender _emailSender ;
private readonly ILogger < ExternalLoginModel > _logger ;
public ExternalLoginModel (
SignInManager < IdentityUser > signInManager ,
UserManager < IdentityUser > userManager ,
IUserStore < IdentityUser > userStore ,
ILogger < ExternalLoginModel > logger ,
IEmailSender emailSender )
{
_signInManager = signInManager ;
_userManager = userManager ;
_userStore = userStore ;
_emailStore = GetEmailStore ( ) ;
_logger = logger ;
_emailSender = emailSender ;
}
/// <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 ; }
/// <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 ProviderDisplayName { 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 string ReturnUrl { 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 ErrorMessage { 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 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]
public string Email { get ; set ; }
}
public IActionResult OnGet ( ) = > 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 = CreateUser ( ) ;
await _userStore . SetUserNameAsync ( user , Input . Email , CancellationToken . None ) ;
await _emailStore . SetEmailAsync ( user , Input . Email , CancellationToken . None ) ;
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 ( ) ;
}
private IdentityUser CreateUser ( )
{
try
{
return Activator . CreateInstance < IdentityUser > ( ) ;
}
catch
{
throw new InvalidOperationException ( $"Can't create an instance of '{nameof(IdentityUser)}'. " +
$"Ensure that '{nameof(IdentityUser)}' is not an abstract class and has a parameterless constructor, or alternatively " +
$"override the external login page in /Areas/Identity/Pages/Account/ExternalLogin.cshtml" ) ;
}
}
private IUserEmailStore < IdentityUser > GetEmailStore ( )
{
if ( ! _userManager . SupportsUserEmail )
{
throw new NotSupportedException ( "The default UI requires a user store with email support." ) ;
}
return ( IUserEmailStore < IdentityUser > ) _userStore ;
}
}
}
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