public async Task <SignInStatus> SignInWithUserExternalLoginAsync(UserExternalLogin userExternalLogin, bool isPersistentCookie)
{
SignInStatus signInStatus;
using (this.DbContextScopeFactory.CreateReadOnly())
{
User user = await this.userRepository.FindByLoginAsync(userExternalLogin.LinkedLogin);
if (user == null)
{
signInStatus = SignInStatus.Failure;
}
else
{
bool userIsLockedOut = user.LockoutEnabled && user.LockoutEndDateUtc >= DateTimeOffset.UtcNow;
if (userIsLockedOut)
{
signInStatus = SignInStatus.LockedOut;
}
else
{
if (user.TwoFactorEnabled)
{
signInStatus = await this.SignInWithTwoFactorCookieAsync(user);
}
else
{
signInStatus = await this.SignInAsync(user, isPersistentCookie, false);
}
}
}
}
return(signInStatus);
}
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))
{
_User = new UserExternalLogin
{
Email = info.Principal.FindFirstValue(ClaimTypes.Email)
};
}
return(Page());
}
}
private UserExternalLogin GetUserExternalLogin(AuthenticateResult result)
{
UserExternalLogin userExternalLogin = null;
Claim firstClaim = result?.Identity?.FindFirst(IdentityClaimsNameIdentifier);
if (firstClaim != null)
{
string identityName = result.Identity.Name;
identityName = identityName?.Replace(" ", string.Empty);
string emailAddress = result.Identity.FindFirst(IdentityClaimsEmailAddressIdentifier)?.Value;
userExternalLogin = new UserExternalLogin
{
ExternalIdentity = result.Identity,
LinkedLogin = new UserLinkedLogin(firstClaim.Issuer, firstClaim.Value),
DefaultUserName = identityName,
Email = emailAddress
};
}
return(userExternalLogin);
}
public static UserLoginInfo ToUserLoginInfoCore([NotNull] this UserExternalLogin uel) => new UserLoginInfo(uel.Provider, uel.Key, uel.Key);
