+++ /dev/null
-/*
- * Copyright © 2018 Soren Stoutner <soren@stoutner.com>.
- *
- * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
- *
- * Privacy Browser is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Privacy Browser is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.stoutner.privacybrowser.activities;
-
-import android.Manifest;
-import android.app.Activity;
-import android.app.DialogFragment;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.net.Uri;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.Environment;
-import android.provider.DocumentsContract;
-import android.support.annotation.NonNull;
-import android.support.design.widget.Snackbar;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
-import android.text.Editable;
-import android.text.TextWatcher;
-import android.view.View;
-import android.view.WindowManager;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.TextView;
-
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.dialogs.ImportExportStoragePermissionDialog;
-import com.stoutner.privacybrowser.helpers.ImportExportDatabaseHelper;
-
-import java.io.File;
-
-public class ImportExportActivity extends AppCompatActivity implements ImportExportStoragePermissionDialog.ImportExportStoragePermissionDialogListener {
- private final static int EXPORT_FILE_PICKER_REQUEST_CODE = 1;
- private final static int IMPORT_FILE_PICKER_REQUEST_CODE = 2;
- private final static int EXPORT_REQUEST_CODE = 3;
- private final static int IMPORT_REQUEST_CODE = 4;
-
- @Override
- public void onCreate(Bundle savedInstanceState) {
- // Disable screenshots if not allowed.
- if (!MainWebViewActivity.allowScreenshots) {
- getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
- }
-
- // Set the activity theme.
- if (MainWebViewActivity.darkTheme) {
- setTheme(R.style.PrivacyBrowserDark_SecondaryActivity);
- } else {
- setTheme(R.style.PrivacyBrowserLight_SecondaryActivity);
- }
-
- // 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.
- Toolbar importExportAppBar = findViewById(R.id.import_export_toolbar);
- setSupportActionBar(importExportAppBar);
-
- // Display the home arrow on the support action bar.
- ActionBar appBar = getSupportActionBar();
- assert appBar != null;// This assert removes the incorrect warning in Android Studio on the following line that `appBar` might be null.
- appBar.setDisplayHomeAsUpEnabled(true);
-
- // Get handles for the views that need to be modified.
- EditText exportFileEditText = findViewById(R.id.export_file_edittext);
- Button exportButton = findViewById(R.id.export_button);
- EditText importFileEditText = findViewById(R.id.import_file_edittext);
- Button importButton = findViewById(R.id.import_button);
- TextView storagePermissionTextView = findViewById(R.id.import_export_storage_permission_textview);
-
- // Initially disable the buttons.
- exportButton.setEnabled(false);
- importButton.setEnabled(false);
-
- // Enable the export button when the export file EditText isn't empty.
- exportFileEditText.addTextChangedListener(new TextWatcher() {
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count, int after) {
- // Do nothing.
- }
-
- @Override
- public void onTextChanged(CharSequence s, int start, int before, int count) {
- // Do nothing.
- }
-
- @Override
- public void afterTextChanged(Editable s) {
- exportButton.setEnabled(!exportFileEditText.getText().toString().isEmpty());
- }
- });
-
- // Enable the import button when the export file EditText isn't empty.
- importFileEditText.addTextChangedListener(new TextWatcher() {
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count, int after) {
- // Do nothing.
- }
-
- @Override
- public void onTextChanged(CharSequence s, int start, int before, int count) {
- // Do nothing.
- }
-
- @Override
- public void afterTextChanged(Editable s) {
- importButton.setEnabled(!importFileEditText.getText().toString().isEmpty());
- }
- });
-
- // Set the default download file path if the storage permission has not been granted.
- if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) {
- // Create a string for the external private path.
- String EXTERNAL_PRIVATE_PATH = getApplicationContext().getExternalFilesDir(Environment.DIRECTORY_DOCUMENTS) + "/Privacy Browser Backup";
-
- // Set the default path.
- exportFileEditText.setText(EXTERNAL_PRIVATE_PATH);
- importFileEditText.setText(EXTERNAL_PRIVATE_PATH);
- }
-
- // Hide the storage permissions TextView on API < 23 as permissions on older devices are automatically granted.
- if (Build.VERSION.SDK_INT < 23) {
- storagePermissionTextView.setVisibility(View.GONE);
- }
- }
-
- public void exportBrowse(View view) {
- // Create the file picker intent.
- Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
-
- // Set the intent MIME type to include all files.
- intent.setType("*/*");
-
- // Set the initial export file name.
- intent.putExtra(Intent.EXTRA_TITLE, getString(R.string.privacy_browser_backup));
-
- // Set the initial directory if API >= 26.
- if (Build.VERSION.SDK_INT >= 26) {
- intent.putExtra(DocumentsContract.EXTRA_INITIAL_URI, Environment.getExternalStorageDirectory());
- }
-
- // Specify that a file that can be opened is requested.
- intent.addCategory(Intent.CATEGORY_OPENABLE);
-
- // Launch the file picker.
- startActivityForResult(intent, EXPORT_FILE_PICKER_REQUEST_CODE);
- }
-
- public void onClickExport(View view) {
- // Check to see if the storage permission has been granted.
- if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // Storage permission granted.
- // Export the settings.
- exportSettings();
- } else { // Storage permission not granted.
- // Get a handle for the export file EditText.
- EditText exportFileEditText = findViewById(R.id.export_file_edittext);
-
- // Get the export file string.
- String exportFileString = exportFileEditText.getText().toString();
-
- // Get the external private directory `File`.
- File externalPrivateDirectoryFile = getApplicationContext().getExternalFilesDir(null);
-
- // Remove the lint error below that the `File` might be null.
- assert externalPrivateDirectoryFile != null;
-
- // Get the external private directory string.
- String externalPrivateDirectory = externalPrivateDirectoryFile.toString();
-
- // Check to see if the export file path is in the external private directory.
- if (exportFileString.startsWith(externalPrivateDirectory)) { // The export path is in the external private directory.
- // Export the settings.
- exportSettings();
- } else { // The export path is in a public directory.
- // 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 and set the type to EXPORT_SETTINGS.
- DialogFragment importExportStoragePermissionDialogFragment = ImportExportStoragePermissionDialog.type(ImportExportStoragePermissionDialog.EXPORT_SETTINGS);
-
- // Show the storage permission alert dialog. The permission will be requested when the dialog is closed.
- importExportStoragePermissionDialogFragment.show(getFragmentManager(), getString(R.string.storage_permission));
- } else { // Show the permission request directly.
- // Request the storage permission. The export will be run when it finishes.
- ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, EXPORT_REQUEST_CODE);
- }
- }
- }
- }
-
- public void importBrowse(View view) {
- // Create the file picker intent.
- Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
-
- // Set the intent MIME type to include all files.
- intent.setType("*/*");
-
- // Set the initial directory if API >= 26.
- if (Build.VERSION.SDK_INT >= 26) {
- intent.putExtra(DocumentsContract.EXTRA_INITIAL_URI, Environment.getExternalStorageDirectory());
- }
-
- // Specify that a file that can be opened is requested.
- intent.addCategory(Intent.CATEGORY_OPENABLE);
-
- // Launch the file picker.
- startActivityForResult(intent, IMPORT_FILE_PICKER_REQUEST_CODE);
- }
-
- public void onClickImport(View view) {
- // Check to see if the storage permission has been granted.
- if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // Storage permission granted.
- // Import the settings.
- importSettings();
- } else { // Storage permission not granted.
- // Get a handle for the import file EditText.
- EditText importFileEditText = findViewById(R.id.import_file_edittext);
-
- // Get the import file string.
- String importFileString = importFileEditText.getText().toString();
-
- // Get the external private directory `File`.
- File externalPrivateDirectoryFile = getApplicationContext().getExternalFilesDir(null);
-
- // Remove the lint error below that `File` might be null.
- assert externalPrivateDirectoryFile != null;
-
- // Get the external private directory string.
- String externalPrivateDirectory = externalPrivateDirectoryFile.toString();
-
- // Check to see if the import file path is in the external private directory.
- if (importFileString.startsWith(externalPrivateDirectory)) { // The import path is in the external private directory.
- // Import the settings.
- importSettings();
- } else { // The import path is in a public directory.
- // Check if the user has previously denied the storage permission.
- if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.READ_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first.
- // Instantiate the storage permission alert dialog and set the type to IMPORT_SETTINGS.
- DialogFragment importExportStoragePermissionDialogFragment = ImportExportStoragePermissionDialog.type(ImportExportStoragePermissionDialog.IMPORT_SETTINGS);
-
- // Show the storage permission alert dialog. The permission will be requested when the dialog is closed.
- importExportStoragePermissionDialogFragment.show(getFragmentManager(), getString(R.string.storage_permission));
- } else { // Show the permission request directly.
- // Request the storage permission. The export will be run when it finishes.
- ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.READ_EXTERNAL_STORAGE}, IMPORT_REQUEST_CODE);
- }
- }
- }
- }
-
- @Override
- public void onActivityResult(int requestCode, int resultCode, Intent data) {
- // Don't do anything if the user pressed back from the file picker.
- if (resultCode == Activity.RESULT_OK) {
- // Run the commands for the specific request code.
- switch (requestCode) {
- case EXPORT_FILE_PICKER_REQUEST_CODE:
- // Get a handle for the export file EditText.
- EditText exportFileEditText = findViewById(R.id.export_file_edittext);
-
- // Get the selected export file.
- Uri exportUri = data.getData();
-
- // Remove the lint warning that the export URI might be null.
- assert exportUri != null;
-
- // Get the raw export path.
- String rawExportPath = exportUri.getPath();
-
- // Remove the warning that the raw export path might be null.
- assert rawExportPath != null;
-
- // Check to see if the rawExportPath includes a valid storage location.
- if (rawExportPath.contains(":")) { // The path is valid.
- // Split the path into the initial content uri and the path information.
- String exportContentPath = rawExportPath.substring(0, rawExportPath.indexOf(":"));
- String exportFilePath = rawExportPath.substring(rawExportPath.indexOf(":") + 1);
-
- // Create the export path string.
- String exportPath;
-
- // Construct the export path.
- switch (exportContentPath) {
- // The documents home has a special content path.
- case "/document/home":
- exportPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS) + "/" + exportFilePath;
- break;
-
- // Everything else for the primary user should be in `/document/primary`.
- case "/document/primary":
- exportPath = Environment.getExternalStorageDirectory() + "/" + exportFilePath;
- break;
-
- // Just in case, catch everything else and place it in the external storage directory.
- default:
- exportPath = Environment.getExternalStorageDirectory() + "/" + exportFilePath;
- break;
- }
-
- // Set the export file URI as the text for the export file EditText.
- exportFileEditText.setText(exportPath);
- } else { // The path is invalid.
- Snackbar.make(exportFileEditText, rawExportPath + " + " + getString(R.string.invalid_location), Snackbar.LENGTH_INDEFINITE).show();
- }
- break;
-
- case IMPORT_FILE_PICKER_REQUEST_CODE:
- // Get a handle for the import file EditText.
- EditText importFileEditText = findViewById(R.id.import_file_edittext);
-
- // Get the selected import file.
- Uri importUri = data.getData();
-
- // Remove the lint warning that the import URI might be null.
- assert importUri != null;
-
- // Get the raw import path.
- String rawImportPath = importUri.getPath();
-
- // Remove the warning that the raw import path might be null.
- assert rawImportPath != null;
-
- // Check to see if the rawExportPath includes a valid storage location.
- if (rawImportPath.contains(":")) { // The path is valid.
- // Split the path into the initial content uri and the path information.
- String importContentPath = rawImportPath.substring(0, rawImportPath.indexOf(":"));
- String importFilePath = rawImportPath.substring(rawImportPath.indexOf(":") + 1);
-
- // Create the export path string.
- String importPath;
-
- // Construct the export path.
- switch (importContentPath) {
- // The documents folder has a special content path.
- case "/document/home":
- importPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS) + "/" + importFilePath;
- break;
-
- // Everything else for the primary user should be in `/document/primary`.
- case "/document/primary":
- importPath = Environment.getExternalStorageDirectory() + "/" + importFilePath;
- break;
-
- // Just in case, catch everything else and place it in the external storage directory.
- default:
- importPath = Environment.getExternalStorageDirectory() + "/" + importFilePath;
- break;
- }
-
- // Set the export file URI as the text for the export file EditText.
- importFileEditText.setText(importPath);
- } else { // The path is invalid.
- Snackbar.make(importFileEditText, rawImportPath + " + " + getString(R.string.invalid_location), Snackbar.LENGTH_INDEFINITE).show();
- }
- break;
- }
- }
- }
-
- @Override
- public void onCloseImportExportStoragePermissionDialog(int type) {
- // Request the storage permission based on the button that was pressed.
- switch (type) {
- case ImportExportStoragePermissionDialog.EXPORT_SETTINGS:
- // Request the storage permission. The export will be run when it finishes.
- ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, EXPORT_REQUEST_CODE);
- break;
-
- case ImportExportStoragePermissionDialog.IMPORT_SETTINGS:
- // Request the storage permission. The import will be run when it finishes.
- ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.READ_EXTERNAL_STORAGE}, IMPORT_REQUEST_CODE);
- break;
- }
- }
-
- @Override
- public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
- switch (requestCode) {
- case EXPORT_REQUEST_CODE:
- // Check to see if the storage permission was granted. If the dialog was canceled the grant results will be empty.
- if ((grantResults.length > 0) && (grantResults[0] == PackageManager.PERMISSION_GRANTED)) { // The storage permission was granted.
- // Export the settings.
- exportSettings();
- } else { // The storage permission was not granted.
- // Get a handle for the export file EditText.
- EditText exportFileEditText = findViewById(R.id.export_file_edittext);
-
- // Display an error snackbar.
- Snackbar.make(exportFileEditText, getString(R.string.cannot_export), Snackbar.LENGTH_LONG).show();
- }
- break;
-
- case IMPORT_REQUEST_CODE:
- // Check to see if the storage permission was granted. If the dialog was canceled the grant results will be empty.
- if ((grantResults.length > 0) && (grantResults[0] == PackageManager.PERMISSION_GRANTED)) { // The storage permission was granted.
- // Import the settings.
- importSettings();
- } else { // The storage permission was not granted.
- // Get a handle for the import file EditText.
- EditText importFileEditText = findViewById(R.id.import_file_edittext);
-
- // Display an error snackbar.
- Snackbar.make(importFileEditText, getString(R.string.cannot_import), Snackbar.LENGTH_LONG).show();
- }
- break;
- }
- }
-
- private void exportSettings() {
- // Get a handle for the export file EditText.
- EditText exportFileEditText = findViewById(R.id.export_file_edittext);
-
- // Get the export file string.
- String exportFileString = exportFileEditText.getText().toString();
-
- // Set the export file.
- File exportFile = new File(exportFileString);
-
- // Instantiate the import export database helper.
- ImportExportDatabaseHelper importExportDatabaseHelper = new ImportExportDatabaseHelper();
-
- // Export the unencrypted file.
- String exportStatus = importExportDatabaseHelper.exportUnencrypted(exportFile, getApplicationContext());
-
- // Show a disposition snackbar.
- if (exportStatus.equals(ImportExportDatabaseHelper.EXPORT_SUCCESSFUL)) {
- Snackbar.make(exportFileEditText, getString(R.string.export_successful), Snackbar.LENGTH_SHORT).show();
- } else {
- Snackbar.make(exportFileEditText, getString(R.string.export_failed) + " " + exportStatus, Snackbar.LENGTH_INDEFINITE).show();
- }
- }
-
- private void importSettings() {
- // Get a handle for the import file EditText.
- EditText importFileEditText = findViewById(R.id.import_file_edittext);
-
- // Get the import file string.
- String importFileString = importFileEditText.getText().toString();
-
- // Set the import file.
- File importFile = new File(importFileString);
-
- // Instantiate the import export database helper.
- ImportExportDatabaseHelper importExportDatabaseHelper = new ImportExportDatabaseHelper();
-
- // Import the unencrypted file.
- String importStatus = importExportDatabaseHelper.importUnencrypted(importFile, getApplicationContext());
-
- // Respond to the import disposition.
- if (importStatus.equals(ImportExportDatabaseHelper.IMPORT_SUCCESSFUL)) { // The import was successful.
- // Create an intent to restart Privacy Browser.
- Intent restartIntent = getParentActivityIntent();
-
- // Assert that the intent is not null to remove the lint error below.
- assert restartIntent != null;
-
- // `Intent.FLAG_ACTIVITY_CLEAR_TASK` removes all activities from the stack. It requires `Intent.FLAG_ACTIVITY_NEW_TASK`.
- restartIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
-
- // Make it so.
- startActivity(restartIntent);
- } else { // The import was not successful.
- // Display a snack bar with the import error.
- Snackbar.make(importFileEditText, getString(R.string.import_failed) + " " + importStatus, Snackbar.LENGTH_INDEFINITE).show();
- }
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff