/*
- * Copyright © 2018-2019 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2018-2020 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.media.MediaScannerConnection;
+import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import com.stoutner.privacybrowser.R;
import com.stoutner.privacybrowser.dialogs.StoragePermissionDialog;
+import com.stoutner.privacybrowser.helpers.DownloadLocationHelper;
import com.stoutner.privacybrowser.helpers.FileNameHelper;
import com.stoutner.privacybrowser.helpers.ImportExportDatabaseHelper;
// Get a handle for the shared preferences.
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
- // Get the theme and screenshot preferences.
- boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
+ // Get the screenshot preference.
boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
// Disable screenshots if not allowed.
getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
}
- // Set the activity theme.
- if (darkTheme) {
- setTheme(R.style.PrivacyBrowserDark_SecondaryActivity);
- } else {
- setTheme(R.style.PrivacyBrowserLight_SecondaryActivity);
- }
+ // Set the theme.
+ setTheme(R.style.PrivacyBrowser);
// Run the default commands.
super.onCreate(savedInstanceState);
// Set the content view.
setContentView(R.layout.import_export_coordinatorlayout);
- // Use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
+ // Set the support action bar.
Toolbar toolbar = findViewById(R.id.import_export_toolbar);
setSupportActionBar(toolbar);
// Display the home arrow on the support action bar.
actionBar.setDisplayHomeAsUpEnabled(true);
- // Find out if we are running KitKat
+ // Find out if the system is running KitKat
boolean runningKitKat = (Build.VERSION.SDK_INT == 19);
// Find out if OpenKeychain is installed.
RadioButton exportRadioButton = findViewById(R.id.export_radiobutton);
LinearLayout fileNameLinearLayout = findViewById(R.id.file_name_linearlayout);
EditText fileNameEditText = findViewById(R.id.file_name_edittext);
+ TextView fileDoesNotExistTextView = findViewById(R.id.file_does_not_exist_textview);
+ TextView fileExistsWarningTextView = findViewById(R.id.file_exists_warning_textview);
TextView openKeychainImportInstructionsTextView = findViewById(R.id.openkeychain_import_instructions_textview);
Button importExportButton = findViewById(R.id.import_export_button);
TextView storagePermissionTextView = findViewById(R.id.import_export_storage_permission_textview);
kitKatPasswordEncryptionTextView.setVisibility(View.GONE);
openKeychainRequiredTextView.setVisibility(View.GONE);
fileNameLinearLayout.setVisibility(View.GONE);
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+ fileExistsWarningTextView.setVisibility(View.GONE);
openKeychainImportInstructionsTextView.setVisibility(View.GONE);
importExportButton.setVisibility(View.GONE);
- // Create strings for the default file paths.
- String defaultFilePath;
- String defaultPasswordEncryptionFilePath;
+ // Instantiate the download location helper.
+ DownloadLocationHelper downloadLocationHelper = new DownloadLocationHelper();
- // Set the default file paths according to the storage permission status.
- if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // The storage permission has been granted.
- // Set the default file paths to use the external public directory.
- defaultFilePath = Environment.getExternalStorageDirectory() + "/" + getString(R.string.settings_pbs);
- defaultPasswordEncryptionFilePath = defaultFilePath + ".aes";
- } else { // The storage permission has not been granted.
- // Set the default file paths to use the external private directory.
- defaultFilePath = getApplicationContext().getExternalFilesDir(null) + "/" + getString(R.string.settings_pbs);
- defaultPasswordEncryptionFilePath = defaultFilePath + ".aes";
- }
+ // Get the default file path.
+ String defaultFilePath = downloadLocationHelper.getDownloadLocation(this) + "/" + getString(R.string.settings_pbs);
+
+ // Set the other default file paths.
+ String defaultPasswordEncryptionFilePath = defaultFilePath + ".aes";
+ String defaultPgpFilePath = defaultFilePath + ".pgp";
// Set the default file path.
fileNameEditText.setText(defaultFilePath);
- // Display the encryption information when the spinner changes.
+ // Hide the storage permission text view if the permission has already been granted.
+ if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
+ storagePermissionTextView.setVisibility(View.GONE);
+ }
+
+ // Update the UI when the spinner changes.
encryptionSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
// Reset the default file path.
fileNameEditText.setText(defaultFilePath);
-
- // Enable the import/export button if a file name exists.
- importExportButton.setEnabled(!fileNameEditText.getText().toString().isEmpty());
break;
case PASSWORD_ENCRYPTION:
// Update the default file path.
fileNameEditText.setText(defaultPasswordEncryptionFilePath);
-
- // Enable the import/export button if a password exists.
- importExportButton.setEnabled(!encryptionPasswordEditText.getText().toString().isEmpty());
}
break;
// Updated items based on the installation status of OpenKeychain.
if (openKeychainInstalled) { // OpenKeychain is installed.
- // Remove the default file path.
- fileNameEditText.setText("");
+ // Update the default file path.
+ fileNameEditText.setText(defaultPgpFilePath);
// Show the file location card.
fileLocationCardView.setVisibility(View.VISIBLE);
// Set the text of the import button to be `Decrypt`.
importExportButton.setText(R.string.decrypt);
-
- // Disable the import/export button. The user needs to select a file to import first.
- importExportButton.setEnabled(false);
} else if (exportRadioButton.isChecked()) {
// Hide the file name linear layout and the OpenKeychain import instructions.
fileNameLinearLayout.setVisibility(View.GONE);
openKeychainImportInstructionsTextView.setVisibility(View.GONE);
-
- // Enable the import/export button.
- importExportButton.setEnabled(true);
}
} else { // OpenKeychain is not installed.
// Show the OpenPGP required layout item.
@Override
public void afterTextChanged(Editable s) {
- // Enable the import/export button if a file name and password exists.
- importExportButton.setEnabled(!fileNameEditText.getText().toString().isEmpty() && !encryptionPasswordEditText.getText().toString().isEmpty());
+ // Get the current file name.
+ String fileNameString = fileNameEditText.getText().toString();
+
+ // Convert the file name string to a file.
+ File file = new File(fileNameString);
+
+ // Update the import/export button.
+ if (importRadioButton.isChecked()) { // The import radio button is checked.
+ // Enable the import button if the file and the password exists.
+ importExportButton.setEnabled(file.exists() && !encryptionPasswordEditText.getText().toString().isEmpty());
+ } else if (exportRadioButton.isChecked()) { // The export radio button is checked.
+ // Enable the export button if the file string and the password exists.
+ importExportButton.setEnabled(!fileNameString.isEmpty() && !encryptionPasswordEditText.getText().toString().isEmpty());
+ }
}
});
- // Update the status of the import/export button when the file name EditText changes.
+ // Update the UI when the file name EditText changes.
fileNameEditText.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
@Override
public void afterTextChanged(Editable s) {
- // Adjust the export button according to the encryption spinner position.
+ // Get the current file name.
+ String fileNameString = fileNameEditText.getText().toString();
+
+ // Convert the file name string to a file.
+ File file = new File(fileNameString);
+
+ // Adjust the UI according to the encryption spinner position.
switch (encryptionSpinner.getSelectedItemPosition()) {
case NO_ENCRYPTION:
- // Enable the import/export button if a file name exists.
- importExportButton.setEnabled(!fileNameEditText.getText().toString().isEmpty());
+ // Determine if import or export is checked.
+ if (exportRadioButton.isChecked()) { // The export radio button is checked.
+ // Hide the file does not exist text view.
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+
+ // Display a warning if the file already exists.
+ if (file.exists()) {
+ fileExistsWarningTextView.setVisibility(View.VISIBLE);
+ } else {
+ fileExistsWarningTextView.setVisibility(View.GONE);
+ }
+
+ // Enable the export button if the file name is populated.
+ importExportButton.setEnabled(!fileNameString.isEmpty());
+ } else if (importRadioButton.isChecked()) { // The import radio button is checked.
+ // Hide the file exists warning text view.
+ fileExistsWarningTextView.setVisibility(View.GONE);
+
+ // Check if the file exists.
+ if (file.exists()) { // The file exists.
+ // Hide the notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+
+ // Enable the import button.
+ importExportButton.setEnabled(true);
+ } else { // The file does not exist.
+ // Show a notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.VISIBLE);
+
+ // Disable the import button.
+ importExportButton.setEnabled(false);
+ }
+ } else { // Neither radio button is checked.
+ // Hide the file notification text views.
+ fileExistsWarningTextView.setVisibility(View.GONE);
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+ }
break;
case PASSWORD_ENCRYPTION:
- // Enable the import/export button if a file name and password exists.
- importExportButton.setEnabled(!fileNameEditText.getText().toString().isEmpty() && !encryptionPasswordEditText.getText().toString().isEmpty());
+ // Determine if import or export is checked.
+ if (exportRadioButton.isChecked()) { // The export radio button is checked.
+ // Hide the notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+
+ // Display a warning if the file already exists.
+ if (file.exists()) {
+ fileExistsWarningTextView.setVisibility(View.VISIBLE);
+ } else {
+ fileExistsWarningTextView.setVisibility(View.GONE);
+ }
+
+ // Enable the export button if the file name and the password are populated.
+ importExportButton.setEnabled(!fileNameString.isEmpty() && !encryptionPasswordEditText.getText().toString().isEmpty());
+ } else if (importRadioButton.isChecked()) { // The import radio button is checked.
+ // Hide the file exists warning text view.
+ fileExistsWarningTextView.setVisibility(View.GONE);
+
+ // Check if the file exists.
+ if (file.exists()) { // The file exists.
+ // Hide the notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+
+ // Enable the import button if the password is populated.
+ importExportButton.setEnabled(!encryptionPasswordEditText.getText().toString().isEmpty());
+ } else { // The file does not exist.
+ // Show a notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.VISIBLE);
+
+ // Disable the import button.
+ importExportButton.setEnabled(false);
+ }
+ } else { // Neither radio button is checked.
+ // Hide the file notification text views.
+ fileExistsWarningTextView.setVisibility(View.GONE);
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+ }
break;
case OPENPGP_ENCRYPTION:
- // Enable the import/export button if OpenKeychain is installed and a file name exists.
- importExportButton.setEnabled(openKeychainInstalled && !fileNameEditText.getText().toString().isEmpty());
+ // Hide the file exists warning text view.
+ fileExistsWarningTextView.setVisibility(View.GONE);
+
+ if (importRadioButton.isChecked()) { // The import radio button is checked.
+ if (file.exists()) { // The file exists.
+ // Hide the notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+
+ // Enable the import button if OpenKeychain is installed.
+ importExportButton.setEnabled(openKeychainInstalled);
+ } else { // The file does not exist.
+ // Show the notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.VISIBLE);
+
+ // Disable the import button.
+ importExportButton.setEnabled(false);
+ }
+ } else if (exportRadioButton.isChecked()){ // The export radio button is checked.
+ // Hide the notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+
+ // Enable the export button.
+ importExportButton.setEnabled(true);
+ } else { // Neither radio button is checked.
+ // Hide the notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+ }
break;
}
}
});
-
- // Hide the storage permissions text view on API < 23 as permissions on older devices are automatically granted.
- if (Build.VERSION.SDK_INT < 23) {
- storagePermissionTextView.setVisibility(View.GONE);
- }
}
public void onClickRadioButton(View view) {
// Get handles for the views.
Spinner encryptionSpinner = findViewById(R.id.encryption_spinner);
LinearLayout fileNameLinearLayout = findViewById(R.id.file_name_linearlayout);
+ EditText passwordEncryptionEditText = findViewById(R.id.password_encryption_edittext);
EditText fileNameEditText = findViewById(R.id.file_name_edittext);
+ TextView fileDoesNotExistTextView = findViewById(R.id.file_does_not_exist_textview);
+ TextView fileExistsWarningTextView = findViewById(R.id.file_exists_warning_textview);
TextView openKeychainImportInstructionTextView = findViewById(R.id.openkeychain_import_instructions_textview);
Button importExportButton = findViewById(R.id.import_export_button);
+ // Get the current file name.
+ String fileNameString = fileNameEditText.getText().toString();
+
+ // Convert the file name string to a file.
+ File file = new File(fileNameString);
+
// Check to see if import or export was selected.
switch (view.getId()) {
case R.id.import_radiobutton:
// Set the text on the import/export button to be `Decrypt`.
importExportButton.setText(R.string.decrypt);
-
- // Enable the decrypt button if there is a file name.
- importExportButton.setEnabled(!fileNameEditText.getText().toString().isEmpty());
} else { // OpenPGP encryption not selected.
// Hide the OpenKeychain import instructions.
openKeychainImportInstructionTextView.setVisibility(View.GONE);
importExportButton.setText(R.string.import_button);
}
+ // Hide the file exists warning text view.
+ fileExistsWarningTextView.setVisibility(View.GONE);
+
// Display the file name views.
fileNameLinearLayout.setVisibility(View.VISIBLE);
importExportButton.setVisibility(View.VISIBLE);
+
+ // Check to see if the file exists.
+ if (file.exists()) { // The file exists.
+ // Hide the notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+
+ // Check to see if password encryption is selected.
+ if (encryptionSpinner.getSelectedItemPosition() == PASSWORD_ENCRYPTION) { // Password encryption is selected.
+ // Enable the import button if the encryption password is populated.
+ importExportButton.setEnabled(!passwordEncryptionEditText.getText().toString().isEmpty());
+ } else { // Password encryption is not selected.
+ // Enable the import/decrypt button.
+ importExportButton.setEnabled(true);
+ }
+ } else { // The file does not exist.
+ // Show the notification that the file does not exist.
+ fileDoesNotExistTextView.setVisibility(View.VISIBLE);
+
+ // Disable the import/decrypt button.
+ importExportButton.setEnabled(false);
+ }
break;
case R.id.export_radiobutton:
if (encryptionSpinner.getSelectedItemPosition() == OPENPGP_ENCRYPTION) { // OpenPGP encryption is selected.
// Hide the file name views.
fileNameLinearLayout.setVisibility(View.GONE);
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+ fileExistsWarningTextView.setVisibility(View.GONE);
// Enable the export button.
importExportButton.setEnabled(true);
} else { // OpenPGP encryption is not selected.
- // Show the file name views.
+ // Show the file name view.
fileNameLinearLayout.setVisibility(View.VISIBLE);
+
+ // Hide the notification that the file name does not exist.
+ fileDoesNotExistTextView.setVisibility(View.GONE);
+
+ // Display a warning if the file already exists.
+ if (file.exists()) {
+ fileExistsWarningTextView.setVisibility(View.VISIBLE);
+ } else {
+ fileExistsWarningTextView.setVisibility(View.GONE);
+ }
+
+ // Check the encryption type.
+ if (encryptionSpinner.getSelectedItemPosition() == NO_ENCRYPTION) { // No encryption is selected.
+ // Enable the export button if the file name is populated.
+ importExportButton.setEnabled(!fileNameString.isEmpty());
+ } else { // Password encryption is selected.
+ // Enable the export button if the file name and the password are populated.
+ importExportButton.setEnabled(!fileNameString.isEmpty() && !passwordEncryptionEditText.getText().toString().isEmpty());
+ }
}
break;
}
}
public void browse(View view) {
- // Get a handle for the import radiobutton.
+ // Get a handle for the views.
+ Spinner encryptionSpinner = findViewById(R.id.encryption_spinner);
RadioButton importRadioButton = findViewById(R.id.import_radiobutton);
// Check to see if import or export is selected.
// Set the intent MIME type to include all files so that everything is visible.
exportBrowseIntent.setType("*/*");
- // Set the initial export file name.
- exportBrowseIntent.putExtra(Intent.EXTRA_TITLE, getString(R.string.settings_pbs));
+ // Set the initial export file name according to the encryption type.
+ if (encryptionSpinner.getSelectedItemPosition() == NO_ENCRYPTION) { // No encryption is selected.
+ exportBrowseIntent.putExtra(Intent.EXTRA_TITLE, getString(R.string.settings_pbs));
+ } else { // Password encryption is selected.
+ exportBrowseIntent.putExtra(Intent.EXTRA_TITLE, getString(R.string.settings_pbs) + ".aes");
+ }
// Set the initial directory if the minimum API >= 26.
if (Build.VERSION.SDK_INT >= 26) {
// Check if the user has previously denied the storage permission.
if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first.
// Instantiate the storage permission alert dialog.
- DialogFragment storagePermissionDialogFragment = new StoragePermissionDialog();
+ DialogFragment storagePermissionDialogFragment = StoragePermissionDialog.displayDialog(0);
// Show the storage permission alert dialog. The permission will be requested when the dialog is closed.
storagePermissionDialogFragment.show(getSupportFragmentManager(), getString(R.string.storage_permission));
}
@Override
- public void onCloseStoragePermissionDialog() {
+ public void onCloseStoragePermissionDialog(int type) {
// Request the write external storage permission. The import/export will be run when it finishes.
ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, 0);
}
}
@Override
- public void onActivityResult(int requestCode, int resultCode, Intent data) {
+ public void onActivityResult(int requestCode, int resultCode, Intent intent) {
+ // Run the default commands.
+ super.onActivityResult(requestCode, resultCode, intent);
+
switch (requestCode) {
case (BROWSE_RESULT_CODE):
// Don't do anything if the user pressed back from the file picker.
if (resultCode == Activity.RESULT_OK) {
- // Get a handle for the file name edit text.
+ // Get a handle for the views.
EditText fileNameEditText = findViewById(R.id.file_name_edittext);
+ TextView fileExistsWarningTextView = findViewById(R.id.file_exists_warning_textview);
// Instantiate the file name helper.
FileNameHelper fileNameHelper = new FileNameHelper();
- // Convert the file name URI to a file name path.
- String fileNamePath = fileNameHelper.convertUriToFileNamePath(data.getData());
+ // Get the file path URI from the intent.
+ Uri filePathUri = intent.getData();
+
+ // Use the file path from the intent if it exists.
+ if (filePathUri != null) {
+ // Convert the file name URI to a file name path.
+ String fileNamePath = fileNameHelper.convertUriToFileNamePath(filePathUri);
- // Set the file name path as the text of the file name edit text.
- fileNameEditText.setText(fileNamePath);
+ // Set the file name path as the text of the file name edit text.
+ fileNameEditText.setText(fileNamePath);
+
+ // Hide the file exists warning text view, because the file picker will have just created a file if export was selected.
+ fileExistsWarningTextView.setVisibility(View.GONE);
+ }
}
break;