public async Task OnGetAsync(string returnUrl = null)
{
if (!string.IsNullOrEmpty(ErrorMessage))
{
ModelState.AddModelError(string.Empty, ErrorMessage);
}
returnUrl ??= Url.Content("~/");
// Clear the existing external cookie to ensure a clean login process
await HttpContext.SignOutAsync(IdentityConstants.ExternalScheme);
ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList();
ReturnUrl = returnUrl;
}
public async Task <ExternalLoginsViewModel> GetExternalLogins(ClaimsPrincipal identityUser)
{
var user = await GetApplicationUser(identityUser);
var vm = new ExternalLoginsViewModel {
CurrentLogins = await _userManager.GetLoginsAsync(user)
};
vm.OtherLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync())
.Where(auth => vm.CurrentLogins.All(ul => auth.Name != ul.LoginProvider))
.ToList();
vm.ShowRemoveButton = await _userManager.HasPasswordAsync(user) || vm.CurrentLogins.Count > 1;
return(vm);
}
public async Task <IActionResult> OnGetAsync()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return(NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'."));
}
CurrentLogins = await _userManager.GetLoginsAsync(user);
OtherLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync())
.Where(auth => CurrentLogins.All(ul => auth.Name != ul.LoginProvider))
.ToList();
ShowRemoveButton = user.PasswordHash != null || CurrentLogins.Count > 1;
return(Page());
}
public async Task <IActionResult> ExternalLogins()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
}
var model = new ExternalLoginsViewModel {
CurrentLogins = await _userManager.GetLoginsAsync(user)
};
model.OtherLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync())
.Where(auth => model.CurrentLogins.All(ul => auth.Name != ul.LoginProvider))
.ToList();
model.ShowRemoveButton = await _userManager.HasPasswordAsync(user) || model.CurrentLogins.Count > 1;
model.StatusMessage = StatusMessage;
return(View(model));
}
public async Task OnGetAsync(string returnUrl = null)
{
ReturnUrl = returnUrl;
ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList();
}