break;
case R.id.clearAndExit:
- // Clear cookies. The commands changed slightly in API 21.
- if (Build.VERSION.SDK_INT >= 21) {
- cookieManager.removeAllCookies(null);
- } else {
- cookieManager.removeAllCookie();
+ // Get a handle for `sharedPreferences`. `this` references the current context.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ boolean clearEverything = sharedPreferences.getBoolean("clear_everything", true);
+
+ // Clear cookies.
+ if (clearEverything || sharedPreferences.getBoolean("clear_cookies", true)) {
+ // The command to remove cookies changed slightly in API 21.
+ if (Build.VERSION.SDK_INT >= 21) {
+ cookieManager.removeAllCookies(null);
+ } else {
+ cookieManager.removeAllCookie();
+ }
+
+ // Manually delete the cookies database, as `CookieManager` sometimes will not flush its changes to disk before `System.exit(0)` is run.
+ try {
+ // We have to use two commands because `Runtime.exec()` does not like `*`.
+ privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies");
+ privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies-journal");
+ } catch (IOException e) {
+ // Do nothing if an error is thrown.
+ }
}
// Clear DOM storage.
- WebStorage domStorage = WebStorage.getInstance();
- domStorage.deleteAllData();
+ if (clearEverything || sharedPreferences.getBoolean("clear_dom_storage", true)) {
+ // Ask `WebStorage` to clear the DOM storage.
+ WebStorage webStorage = WebStorage.getInstance();
+ webStorage.deleteAllData();
+
+ // Manually delete the DOM storage directory, as `WebStorage` sometimes will not flush its changes to disk before `System.exit(0)` is run.
+ try {
+ // We have to use a `String[]` because the directory contains a space and `Runtime.exec` will not escape the string correctly otherwise.
+ privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"});
+ } catch (IOException e) {
+ // Do nothing if an error is thrown.
+ }
+ }
// Clear form data.
- WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
- webViewDatabase.clearFormData();
+ if (clearEverything || sharedPreferences.getBoolean("clear_form_data", true)) {
+ WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
+ webViewDatabase.clearFormData();
- // Clear the cache. `true` includes disk files.
- mainWebView.clearCache(true);
+ // Manually delete the form data database, as `WebViewDatabase` sometimes will not flush its changes to disk before `System.exit(0)` is run.
+ try {
+ // We have to use a `String[]` because the database contains a space and `Runtime.exec` will not escape the string correctly otherwise.
+ privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data"});
+ privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data-journal"});
+ } catch (IOException e) {
+ // Do nothing if an error is thrown.
+ }
+ }
- // Clear the back/forward history.
- mainWebView.clearHistory();
+ // Clear the cache.
+ if (clearEverything || sharedPreferences.getBoolean("clear_cache", true)) {
+ // `true` includes disk files.
+ mainWebView.clearCache(true);
+
+ // Manually delete the cache directories.
+ try {
+ // Delete the main cache directory.
+ privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
+
+ // Delete the secondary `Service Worker` cache directory. We have to use a `String[]` because the directory contains a space and `Runtime.exec` will not escape the string correctly otherwise.
+ privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Service Worker/"});
+ } catch (IOException e) {
+ // Do nothing if an error is thrown.
+ }
+ }
- // Clear any SSL certificate preferences.
+ // Clear SSL certificate preferences.
mainWebView.clearSslPreferences();
+ // Clear the back/forward history.
+ mainWebView.clearHistory();
+
// Clear `formattedUrlString`.
formattedUrlString = null;
// Destroy the internal state of `mainWebView`.
mainWebView.destroy();
- // Manually delete cache folders.
- try {
- // Delete the main `cache` folder.
- privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
-
- // Delete the `app_webview` folder, which contains an additional `WebView` cache. See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
- privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
- } catch (IOException e) {
- // Do nothing if an error is thrown.
+ // Manually delete the `app_webview` folder, which contains the cookies, DOM storage, form data, and `Service Worker` cache.
+ // See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
+ if (clearEverything) {
+ try {
+ privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
+ } catch (IOException e) {
+ // Do nothing if an error is thrown.
+ }
}
// Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
// Remove the terminated program from RAM. The status code is `0`.
System.exit(0);
break;
-
- default:
- break;
}
// Close the navigation drawer.
}
private void applyAppSettings() {
- // Get the shared preference values. `this` references the current context.
+ // Get a handle for `sharedPreferences`. `this` references the current context.
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
// Store the values from `sharedPreferences` in variables.
projects / PrivacyBrowserAndroid.git / blobdiff