public static async Task <bool> TryDeleteCredentialAccountAsync(string userId)
{
bool deleted = false;
try
{
await KeyCredentialManager.DeleteAsync(userId);
deleted = true;
}
catch (Exception ex)
{
switch (ex.HResult)
{
case NTE_NO_KEY:
// Key is already deleted. Ignore this error.
break;
case NTE_PERM:
// Access is denied. Ignore this error. We tried our best.
break;
default:
throw;
}
}
return(deleted);
}
static private async Task <bool> TryDeleteCredentialAccountAsync(string userName)
{
try
{
AppSettings.Current.WindowsHelloPublicKeyHint = null;
await KeyCredentialManager.DeleteAsync(userName);
return(true);
}
catch (Exception ex)
{
switch (ex.HResult)
{
case NTE_NO_KEY:
// Key is already deleted. Ignore this error.
break;
case NTE_PERM:
// Access is denied. Ignore this error. We tried our best.
break;
default:
System.Diagnostics.Debug.WriteLine(ex.Message);
break;
}
}
return(false);
}
/// <summary>
/// Requests the deletion of a Microsoft Key credential.
/// </summary>
/// <param name="credentialName">Name of the credential to be deleted.</param>
internal static async void DeleteCredential(string credentialName)
{
try
{
await KeyCredentialManager.DeleteAsync(credentialName);
}
catch (Exception ev)
{
MessageService.ShowWarning("Credential not deleted: " + ev.Message);
//Debug.Write("Expected exception: " + ev.Message);
}
}
/// <summary>
/// Function to be called when user requests deleting their account.
/// Checks the KeyCredentialManager to see if there is a Passport for the current user
/// Then deletes the local key associated with the Passport.
/// </summary>
public static async void RemovePassportAccountAsync(Account account)
{
// Open the account with Passport
KeyCredentialRetrievalResult keyOpenResult = await KeyCredentialManager.OpenAsync(account.Username);
if (keyOpenResult.Status == KeyCredentialStatus.Success)
{
// In the real world you would send key information to server to unregister
//e.g. RemovePassportAccountOnServer(account);
}
// Then delete the account from the machines list of Passport Accounts
await KeyCredentialManager.DeleteAsync(account.Username);
}
public static async void RemovePassportAccountAsync(UserAccount account)
{
//Open the account with Windows Hello
KeyCredentialRetrievalResult keyOpenResult = await KeyCredentialManager.OpenAsync(account.Username);
if (keyOpenResult.Status == KeyCredentialStatus.Success)
{
// In the real world you would send key information to server to unregister
AuthService.AuthService.Instance.PassportRemoveUser(account.UserId);
}
//Then delete the account from the machines list of Passport Accounts
await KeyCredentialManager.DeleteAsync(account.Username);
}
public async Task <IActionResult> Keys(string id)
{
_logger.LogInformation("Deleting authentication key {0} from tenant {1} by {2}", id, User.Tenant(), User.Identity?.Name);
var key = await _keyManager.FindByIdAsync(id);
if (key == null)
{
return(NotFound());
}
await _keyManager.DeleteAsync(key);
return(Ok());
}
/// <summary>
/// 删除并注销用户
/// </summary>
/// <returns></returns>
public static async Task DeleteUserAsync()
{
if (await CheckSupportAsync().ConfigureAwait(false))
{
try
{
ApplicationData.Current.LocalSettings.Values["WindowsHelloPublicKeyForUser"] = null;
await KeyCredentialManager.DeleteAsync(CredentialName);
}
catch (Exception)
{
}
}
}
/// <summary>
/// Checks the KeyCredentialManager to see if there is a Passport for the current user and
/// sends the informaton to the server to unregister it.
///
/// Then deletes the local key associated with the Passport.
/// </summary>
private async void PassportDelete()
{
KeyCredentialRetrievalResult keyOpenResult = await KeyCredentialManager.OpenAsync(activeAccount.Email);
if (keyOpenResult.Status == KeyCredentialStatus.Success)
{
var userKey = keyOpenResult.Credential;
var publicKey = userKey.RetrievePublicKey();
// Send key information to server to unregister it
DeletePassportServerSide();
}
await KeyCredentialManager.DeleteAsync(activeAccount.Email);
}
/// <summary>
/// Checks the KeyCredentialManager to see if there is a Passport for the current user and
/// sends the informaton to the server to unregister it.
///
/// Then deletes the local key associated with the Passport.
/// </summary>
private async void PassportDelete()
{
KeyCredentialRetrievalResult keyOpenResult = await KeyCredentialManager.OpenAsync(activeAccount.Email);
if (keyOpenResult.Status == KeyCredentialStatus.Success)
{
var userKey = keyOpenResult.Credential;
var publicKey = userKey.RetrievePublicKey();
// Send key information to server to unregister it
DeletePassportServerSide();
}
await KeyCredentialManager.DeleteAsync(activeAccount.Email);
rootPage.NotifyUser("User " + activeAccount.Email + " deleted.", NotifyType.StatusMessage);
button_Forget.IsEnabled = false;
button_Forget.Content = "User Forgotten.";
}
/// <summary>
/// Delete the passport account async.
/// Returns zero, if the operation was successful,
/// 3 if the key is already deleted,
/// 2 if the access was denied and 1 if an unknown
/// error occurred
/// </summary>
/// <param name="accountId">The id of the account to delete</param>
/// <returns>A Task with an integer</returns>
private static async Task <int> DeletePassportAccountAsync(string accountId)
{
try {
// Try to delete the account
await KeyCredentialManager.DeleteAsync(accountId);
return(0);
} catch (Exception e) {
switch (e.HResult)
{
case NTE_NO_KEY:
// Key is already deleted. Ignore this error.
return(3);
case NTE_PERM:
// Access is denied. Ignore this error. We tried our best.
return(2);
default:
// An unknown error occurred
return(1);
}
}
}