protected async void GeneratePasswordCommandHandler(object p)
{
// Get data context
var field = p as FieldModel;
// Prompt only if there is something in the field
var prompt = !string.IsNullOrWhiteSpace(field.Value);
// If we don't need to prompt, then show the dialog
var result = !prompt;
// Prompt only if we need to
if (prompt)
{
await DialogHelper.Confirm(
"This will replace your existing password with a new one. Are you sure?",
(c) => { result = true; });
}
// If the result is true, then show the dialog
if (result)
{
// Show the add field dialog
var d = new PasswordGeneratorDialog();
// Show the dialog
var action = await d.ShowAsync();
if (action == ContentDialogResult.Primary)
{
// Set the password field to the new value
field.Value = (d.DataContext as PasswordGeneratorDialogViewModel)?.Password;
}
}
}
protected async void DeleteFieldCommandHandler(object p)
{
// Get data context
var field = p as FieldModel;
// Prompt user to delete the field
var promptResp = await DialogHelper.Confirm(
"This action cannot be undone. Are you sure you want to delete this field?",
async (c) =>
{
try
{
// Call api to delete the field from the item
await KryptPadApi.DeleteFieldAsync(Category.Id, Item.Id, field.Id);
// Remove the field
Fields.Remove(field);
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception ex)
{
// Failed
await DialogHelper.ShowGenericErrorDialogAsync(ex);
}
});
}
private async void DeleteAccountCommandHandlerAsync(object obj)
{
IsBusy = true;
try
{
await DialogHelper.Confirm(
"Are you sure you want to delete your account? ALL OF YOUR DATA WILL BE DELETED! THIS ACTION CANNOT BE UNDONE.",
async (p) =>
{
// Log in and get access token
await KryptPadApi.DeleteAccountAsync();
// Create instance to credential locker
var locker = new PasswordVault();
try
{
// Clear out the saved credential for the resource
var creds = locker.FindAllByResource(Constants.LOCKER_RESOURCE);
foreach (var cred in creds)
{
// Remove only the credentials for the given resource
locker.Remove(cred);
}
}
catch { /* Nothing to see here */ }
// Navigate to the login page
NavigationHelper.Navigate(typeof(LoginPage), null, NavigationHelper.NavigationType.Root);
}
);
}
catch (WebException ex)
{
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception ex)
{
// Failed
await DialogHelper.ShowGenericErrorDialogAsync(ex);
}
IsBusy = false;
}
private void ExecuteDelete(object obj)
{
try
{
if (DialogHelper.Confirm("Are you sure you want to delete selected task?", "Confirm Delete Task"))
{
var dataRequest = new DataRequest(Id);
ServiceManager.Invoke(sc => sc.DeleteTask(RequestResponseUtils.SendData(dataRequest)));
var taskListViewModel = PageNavigatorHelper.GetMainContentViewModel <TaskListViewModel>();
if (taskListViewModel != null)
{
taskListViewModel.RemoveTask(this);
}
}
}
catch (Exception ex)
{
Logger.Error("Delete Task Error: " + ex.Message, ex);
}
}
private async void DeleteCategoryCommandHandler(object p)
{
// Confirm delete
var res = await DialogHelper.Confirm("All items under this category will be deleted. Are you sure you want to delete this category?",
async (ap) =>
{
var category = p as ApiCategory;
// Get the selected items and delete them
if (category != null)
{
try
{
// Delete the item
var success = await KryptPadApi.DeleteCategoryAsync(category.Id);
// If sucessful, remove item from the list
if (success)
{
// Refresh the view
await RefreshCategoriesAsync();
}
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception ex)
{
// Failed
await DialogHelper.ShowGenericErrorDialogAsync(ex);
}
}
}
);
}
/// <summary>
/// Clears any saved passphrases
/// </summary>
private async void ClearAllSavedPassphrases()
{
var command = await DialogHelper.Confirm(
ResourceHelper.GetString("ConfirmClearAllPassphrases"),
ResourceHelper.GetString("Confirm"),
(c) =>
{
try
{
// Create instance to credential locker
var locker = new PasswordVault();
// Clear out the saved credential for the resource
var logins = locker.FindAllByResource(KryptPadApi.Username);
foreach (var login in logins)
{
if (login.Resource != Constants.LOCKER_RESOURCE)
{
locker.Remove(login);
}
}
// Reset flag on all profiles
foreach (var profile in Profiles)
{
profile.WindowsHelloEnabled = false;
}
}
catch { }
});
if ((int)command.Id == 2)
{
// User chose to cancel, so re-enable
SavePassphraseEnabled = true;
}
}
/// <summary>
/// Registers commands for UI elements
/// </summary>
private void RegisterCommands()
{
// Handle add category
AddCategoryCommand = new Command(async(p) =>
{
// Prompt for name
await DialogHelper.ShowClosableDialog <NamePromptDialog>(async(d) =>
{
try
{
//create new category
var category = new ApiCategory()
{
Name = d.Value,
Items = new ApiItem[] { }
};
// Send the category to the api
var resp = await KryptPadApi.SaveCategoryAsync(category);
// Set the id of the newly created category
category.Id = resp.Id;
// Add the category to the list
Categories.Add(category);
// Add view to the ItemsView object
ItemsView.Source = Categories;
// Refresh
OnPropertyChanged(nameof(ItemsView));
// Hide empty message
EmptyMessageVisibility = Visibility.Collapsed;
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception ex)
{
// Failed
await DialogHelper.ShowGenericErrorDialogAsync(ex);
}
}, "Add Category");
});
// Handle add new item
AddItemCommand = new Command(AddItemCommandHandler);
// Handle item click
ItemClickCommand = new Command((p) =>
{
var item = p as ApiItem;
var category = (from c in Categories
where c.Items.Contains(item)
select c).FirstOrDefault();
// Navigate to edit
NavigationHelper.Navigate(typeof(NewItemPage),
new EditItemPageParams()
{
Category = category,
Item = item
});
});
// Handle change passphrase command
ChangePassphraseCommand = new Command(async(p) =>
{
var dialog = new ChangePassphraseDialog();
await dialog.ShowAsync();
});
// Handle rename command
RenameProfileCommand = new Command(async(p) =>
{
// Prompt for name
await DialogHelper.GetValueAsync(async(d) =>
{
try
{
// Set new name
var profile = KryptPadApi.CurrentProfile;
profile.Name = d.Value;
// Send the category to the api
var resp = await KryptPadApi.SaveProfileAsync(profile);
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception ex)
{
// Failed
await DialogHelper.ShowGenericErrorDialogAsync(ex);
}
}, "RENAME PROFILE", KryptPadApi.CurrentProfile.Name);
});
// Handle delete command
DeleteProfileCommand = new Command(async(p) =>
{
var res = await DialogHelper.Confirm(
"All of your data in this profile will be deleted permanently. THIS ACTION CANNOT BE UNDONE. Are you sure you want to delete this entire profile?",
"WARNING - CONFIRM DELETE",
async(ap) =>
{
try
{
// Delete the selected profile
await KryptPadApi.DeleteProfileAsync(KryptPadApi.CurrentProfile);
// Navigate back to the profiles list
NavigationHelper.Navigate(typeof(SelectProfilePage), null);
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception ex)
{
// Failed
await DialogHelper.ShowGenericErrorDialogAsync(ex);
}
}
);
});
// Download profile handler
DownloadProfileCommand = new Command(async(prop) =>
{
try
{
// Prompt for a place to save the file
var sfd = new FileSavePicker()
{
SuggestedFileName = KryptPadApi.CurrentProfile.Name,
};
//sfd.FileTypeChoices.Add("KryptPad Document Format", new List<string>(new[] { ".kdf" }));
sfd.FileTypeChoices.Add("KryptPad Document Format", new[] { ".kdf" });
// Show the picker
var file = await sfd.PickSaveFileAsync();
if (file != null)
{
// Get profile
var profileData = await KryptPadApi.DownloadCurrentProfileAsync();
// Save profile to file
using (var fs = await file.OpenAsync(Windows.Storage.FileAccessMode.ReadWrite))
using (var sw = new StreamWriter(fs.AsStreamForWrite()))
{
// Write the data
sw.Write(profileData);
}
await DialogHelper.ShowMessageDialogAsync("Profile downloaded successfully");
}
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception ex)
{
// Failed
await DialogHelper.ShowGenericErrorDialogAsync(ex);
}
});
// Handle category rename
RenameCategoryCommand = new Command(RenameCategoryCommandHandler);
// Handle category delete
DeleteCategoryCommand = new Command(DeleteCategoryCommandHandler);
// Handle selection mode
SelectModeCommand = new Command(SelectModeCommandHandler);
// Handle the move command
MoveItemsCommand = new Command(MoveItemsCommandHandler, CanMoveItems);
// Handle setting favorites
SetFavoriteCommand = new Command(SetFavoriteCommandHandler);
}
/// <summary>
/// Registers commands for UI elements
/// </summary>
private void RegisterCommands()
{
// Handle add new field
AddFieldCommand = new Command(async(p) =>
{
// Show the add field dialog
var res = await DialogHelper.ShowClosableDialog <AddFieldDialog>(async(d) =>
{
try
{
var m = (d.DataContext as AddFieldDialogViewModel);
var field = new FieldModel(new ApiField()
{
Name = m.FieldName,
FieldType = m.SelectedFieldType.Id
});
// Send the field to the API to be stored under the item
var resp = await KryptPadApi.SaveFieldAsync(Category.Id, Item.Id, field.Field);
field.Id = resp.Id;
// Add field to the list
AddFieldToCollection(field);
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception ex)
{
// Failed
await DialogHelper.ShowGenericErrorDialogAsync(ex);
}
});
});
// Handle item delete
DeleteItemCommand = new Command(async(p) =>
{
// Prompt user to delete the item
var promptResp = await DialogHelper.Confirm(
"This action cannot be undone. All data associated with this item will be deleted. Are you sure you want to delete this item?",
async(c) =>
{
try
{
// Delete the item
await KryptPadApi.DeleteItemAsync(Category.Id, Item.Id);
// Navigate back to items page
NavigationHelper.Navigate(typeof(ItemsPage), null);
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception ex)
{
// Failed
await DialogHelper.ShowGenericErrorDialogAsync(ex);
}
});
});
// Handle copy field value
CopyFieldValueCommand = new Command(async(p) =>
{
try
{
var field = p as FieldModel;
// Check if field value is null
if (!string.IsNullOrWhiteSpace(field.Value))
{
// Create a data package
var package = new DataPackage();
package.SetText(field.Value);
// Set the value of the field to the clipboard
Clipboard.SetContent(package);
}
}
catch (Exception)
{
// Failed
await DialogHelper.ShowMessageDialogAsync("Failed to copy text to clipboard.");
}
});
// Delete field
DeleteFieldCommand = new Command(DeleteFieldCommandHandler);
// Rename field
RenameFieldCommand = new Command(RenameFieldCommandHandler);
// Generate password
GeneratePasswordCommand = new Command(GeneratePasswordCommandHandler);
}