app/src/main/java/com/stoutner/privacybrowser/helpers/ImportExportDatabaseHelper.java

   1 /*
   2  * Copyright © 2018-2019 Soren Stoutner <soren@stoutner.com>.
   3  *
   4  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
   5  *
   6  * Privacy Browser is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Privacy Browser is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 package com.stoutner.privacybrowser.helpers;
  21
  22 import android.content.ContentValues;
  23 import android.content.Context;
  24 import android.content.SharedPreferences;
  25 import android.database.Cursor;
  26 import android.database.sqlite.SQLiteDatabase;
  27 import android.preference.PreferenceManager;
  28
  29 import com.stoutner.privacybrowser.R;
  30
  31 import java.io.File;
  32 import java.io.FileInputStream;
  33 import java.io.FileOutputStream;
  34 import java.io.InputStream;
  35 import java.io.OutputStream;
  36
  37 public class ImportExportDatabaseHelper {
  38     public static final String EXPORT_SUCCESSFUL = "Export Successful";
  39     public static final String IMPORT_SUCCESSFUL = "Import Successful";
  40
  41     private static final int SCHEMA_VERSION = 6;
  42     private static final String PREFERENCES_TABLE = "preferences";
  43
  44     // The preferences constants.
  45     private static final String _ID = "_id";
  46     private static final String JAVASCRIPT = "javascript";
  47     private static final String FIRST_PARTY_COOKIES = "first_party_cookies";
  48     private static final String THIRD_PARTY_COOKIES = "third_party_cookies";
  49     private static final String DOM_STORAGE = "dom_storage";
  50     private static final String SAVE_FORM_DATA = "save_form_data";
  51     private static final String USER_AGENT = "user_agent";
  52     private static final String CUSTOM_USER_AGENT = "custom_user_agent";
  53     private static final String INCOGNITO_MODE = "incognito_mode";
  54     private static final String DO_NOT_TRACK = "do_not_track";
  55     private static final String ALLOW_SCREENSHOTS = "allow_screenshots";
  56     private static final String EASYLIST = "easylist";
  57     private static final String EASYPRIVACY = "easyprivacy";
  58     private static final String FANBOYS_ANNOYANCE_LIST = "fanboys_annoyance_list";
  59     private static final String FANBOYS_SOCIAL_BLOCKING_LIST = "fanboys_social_blocking_list";
  60     private static final String ULTRAPRIVACY = "ultraprivacy";
  61     private static final String BLOCK_ALL_THIRD_PARTY_REQUESTS = "block_all_third_party_requests";
  62     private static final String PROXY_THROUGH_ORBOT = "proxy_through_orbot";
  63     private static final String TOR_HOMEPAGE = "tor_homepage";
  64     private static final String TOR_SEARCH = "tor_search";
  65     private static final String TOR_SEARCH_CUSTOM_URL = "tor_search_custom_url";
  66     private static final String SEARCH = "search";
  67     private static final String SEARCH_CUSTOM_URL = "search_custom_url";
  68     private static final String FULL_SCREEN_BROWSING_MODE = "full_screen_browsing_mode";
  69     private static final String HIDE_APP_BAR = "hide_app_bar";
  70     private static final String CLEAR_EVERYTHING = "clear_everything";
  71     private static final String CLEAR_COOKIES = "clear_cookies";
  72     private static final String CLEAR_DOM_STORAGE = "clear_dom_storage";
  73     private static final String CLEAR_FORM_DATA = "clear_form_data";
  74     private static final String CLEAR_CACHE = "clear_cache";
  75     private static final String HOMEPAGE = "homepage";
  76     private static final String FONT_SIZE = "font_size";
  77     private static final String OPEN_INTENTS_IN_NEW_TAB = "open_intents_in_new_tab";
  78     private static final String SWIPE_TO_REFRESH = "swipe_to_refresh";
  79     private static final String SCROLL_APP_BAR = "scroll_app_bar";
  80     private static final String DISPLAY_ADDITIONAL_APP_BAR_ICONS = "display_additional_app_bar_icons";
  81     private static final String DOWNLOAD_WITH_EXTERNAL_APP = "download_with_external_app";
  82     private static final String DARK_THEME = "dark_theme";
  83     private static final String NIGHT_MODE = "night_mode";
  84     private static final String DISPLAY_WEBPAGE_IMAGES = "display_webpage_images";
  85
  86     public String exportUnencrypted(File exportFile, Context context) {
  87         try {
  88             // Delete the current file if it exists.
  89             if (exportFile.exists()) {
  90                 //noinspection ResultOfMethodCallIgnored
  91                 exportFile.delete();
  92             }
  93
  94             // Create the export database.
  95             SQLiteDatabase exportDatabase = SQLiteDatabase.openOrCreateDatabase(exportFile, null);
  96
  97             // Set the export database version number.
  98             exportDatabase.setVersion(SCHEMA_VERSION);
  99
 100             // Create the export database domains table.
 101             exportDatabase.execSQL(DomainsDatabaseHelper.CREATE_DOMAINS_TABLE);
 102
 103             // Open the domains database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
 104             DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0);
 105
 106             // Get a full domains database cursor.
 107             Cursor domainsCursor = domainsDatabaseHelper.getCompleteCursorOrderedByDomain();
 108
 109             // Move to the first domain.
 110             domainsCursor.moveToFirst();
 111
 112             // Copy the data from the domains cursor into the export database.
 113             for (int i = 0; i < domainsCursor.getCount(); i++) {
 114                 // Extract the record from the cursor and store the data in a ContentValues.
 115                 ContentValues domainsContentValues = new ContentValues();
 116                 domainsContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)));
 117                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)));
 118                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)));
 119                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)));
 120                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)));
 121                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)));
 122                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)));
 123                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)));
 124                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)));
 125                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)));
 126                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)));
 127                 domainsContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)));
 128                 domainsContentValues.put(DomainsDatabaseHelper.USER_AGENT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
 129                 domainsContentValues.put(DomainsDatabaseHelper.FONT_SIZE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
 130                 domainsContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SWIPE_TO_REFRESH)));
 131                 domainsContentValues.put(DomainsDatabaseHelper.NIGHT_MODE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.NIGHT_MODE)));
 132                 domainsContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES)));
 133                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)));
 134                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)));
 135                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)));
 136                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)));
 137                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)));
 138                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)));
 139                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)));
 140                 domainsContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, domainsCursor.getLong(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
 141                 domainsContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, domainsCursor.getLong(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
 142                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)));
 143                 domainsContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.IP_ADDRESSES)));
 144
 145                 // Insert the record into the export database.
 146                 exportDatabase.insert(DomainsDatabaseHelper.DOMAINS_TABLE, null, domainsContentValues);
 147
 148                 // Advance to the next record.
 149                 domainsCursor.moveToNext();
 150             }
 151
 152             // Close the domains database.
 153             domainsCursor.close();
 154             domainsDatabaseHelper.close();
 155
 156
 157             // Create the export database bookmarks table.
 158             exportDatabase.execSQL(BookmarksDatabaseHelper.CREATE_BOOKMARKS_TABLE);
 159
 160             // Open the bookmarks database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
 161             BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(context, null, null, 0);
 162
 163             // Get a full bookmarks cursor.
 164             Cursor bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarks();
 165
 166             // Move to the first bookmark.
 167             bookmarksCursor.moveToFirst();
 168
 169             // Copy the data from the bookmarks cursor into the export database.
 170             for (int i = 0; i < bookmarksCursor.getCount(); i++) {
 171                 // Extract the record from the cursor and store the data in a ContentValues.
 172                 ContentValues bookmarksContentValues = new ContentValues();
 173                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
 174                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
 175                 bookmarksContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
 176                 bookmarksContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)));
 177                 bookmarksContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)));
 178                 bookmarksContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, bookmarksCursor.getBlob(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON)));
 179
 180                 // Insert the record into the export database.
 181                 exportDatabase.insert(BookmarksDatabaseHelper.BOOKMARKS_TABLE, null, bookmarksContentValues);
 182
 183                 // Advance to the next record.
 184                 bookmarksCursor.moveToNext();
 185             }
 186
 187             // Close the bookmarks database.
 188             bookmarksCursor.close();
 189             bookmarksDatabaseHelper.close();
 190
 191
 192             // Prepare the preferences table SQL creation string.
 193             String CREATE_PREFERENCES_TABLE = "CREATE TABLE " + PREFERENCES_TABLE + " (" +
 194                     _ID + " INTEGER PRIMARY KEY, " +
 195                     JAVASCRIPT + " BOOLEAN, " +
 196                     FIRST_PARTY_COOKIES + " BOOLEAN, " +
 197                     THIRD_PARTY_COOKIES + " BOOLEAN, " +
 198                     DOM_STORAGE + " BOOLEAN, " +
 199                     SAVE_FORM_DATA + " BOOLEAN, " +
 200                     USER_AGENT + " TEXT, " +
 201                     CUSTOM_USER_AGENT + " TEXT, " +
 202                     INCOGNITO_MODE + " BOOLEAN, " +
 203                     DO_NOT_TRACK + " BOOLEAN, " +
 204                     ALLOW_SCREENSHOTS + " BOOLEAN, " +
 205                     EASYLIST + " BOOLEAN, " +
 206                     EASYPRIVACY + " BOOLEAN, " +
 207                     FANBOYS_ANNOYANCE_LIST + " BOOLEAN, " +
 208                     FANBOYS_SOCIAL_BLOCKING_LIST + " BOOLEAN, " +
 209                     ULTRAPRIVACY + " BOOLEAN, " +
 210                     BLOCK_ALL_THIRD_PARTY_REQUESTS + " BOOLEAN, " +
 211                     PROXY_THROUGH_ORBOT + " BOOLEAN, " +
 212                     TOR_HOMEPAGE + " TEXT, " +
 213                     TOR_SEARCH + " TEXT, " +
 214                     TOR_SEARCH_CUSTOM_URL + " TEXT, " +
 215                     SEARCH + " TEXT, " +
 216                     SEARCH_CUSTOM_URL + " TEXT, " +
 217                     FULL_SCREEN_BROWSING_MODE + " BOOLEAN, " +
 218                     HIDE_APP_BAR + " BOOLEAN, " +
 219                     CLEAR_EVERYTHING + " BOOLEAN, " +
 220                     CLEAR_COOKIES + " BOOLEAN, " +
 221                     CLEAR_DOM_STORAGE + " BOOLEAN, " +
 222                     CLEAR_FORM_DATA + " BOOLEAN, " +
 223                     CLEAR_CACHE + " BOOLEAN, " +
 224                     HOMEPAGE + " TEXT, " +
 225                     FONT_SIZE + " TEXT, " +
 226                     OPEN_INTENTS_IN_NEW_TAB + " BOOLEAN, " +
 227                     SWIPE_TO_REFRESH + " BOOLEAN, " +
 228                     SCROLL_APP_BAR + " BOOLEAN, " +
 229                     DISPLAY_ADDITIONAL_APP_BAR_ICONS + " BOOLEAN, " +
 230                     DOWNLOAD_WITH_EXTERNAL_APP + " BOOLEAN, " +
 231                     DARK_THEME + " BOOLEAN, " +
 232                     NIGHT_MODE + " BOOLEAN, " +
 233                     DISPLAY_WEBPAGE_IMAGES + " BOOLEAN)";
 234
 235             // Create the export database preferences table.
 236             exportDatabase.execSQL(CREATE_PREFERENCES_TABLE);
 237
 238             // Get a handle for the shared preference.
 239             SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 240
 241             // Create a ContentValues with the preferences information.
 242             ContentValues preferencesContentValues = new ContentValues();
 243             preferencesContentValues.put(JAVASCRIPT, sharedPreferences.getBoolean(JAVASCRIPT, false));
 244             preferencesContentValues.put(FIRST_PARTY_COOKIES, sharedPreferences.getBoolean(FIRST_PARTY_COOKIES, false));
 245             preferencesContentValues.put(THIRD_PARTY_COOKIES, sharedPreferences.getBoolean(THIRD_PARTY_COOKIES, false));
 246             preferencesContentValues.put(DOM_STORAGE, sharedPreferences.getBoolean(DOM_STORAGE, false));
 247             preferencesContentValues.put(SAVE_FORM_DATA, sharedPreferences.getBoolean(SAVE_FORM_DATA, false));  // Save form data can be removed once the minimum API >= 26.
 248             preferencesContentValues.put(USER_AGENT, sharedPreferences.getString(USER_AGENT, context.getString(R.string.user_agent_default_value)));
 249             preferencesContentValues.put(CUSTOM_USER_AGENT, sharedPreferences.getString(CUSTOM_USER_AGENT, context.getString(R.string.custom_user_agent_default_value)));
 250             preferencesContentValues.put(INCOGNITO_MODE, sharedPreferences.getBoolean(INCOGNITO_MODE, false));
 251             preferencesContentValues.put(DO_NOT_TRACK, sharedPreferences.getBoolean(DO_NOT_TRACK, false));
 252             preferencesContentValues.put(ALLOW_SCREENSHOTS, sharedPreferences.getBoolean(ALLOW_SCREENSHOTS, false));
 253             preferencesContentValues.put(EASYLIST, sharedPreferences.getBoolean(EASYLIST, true));
 254             preferencesContentValues.put(EASYPRIVACY, sharedPreferences.getBoolean(EASYPRIVACY, true));
 255             preferencesContentValues.put(FANBOYS_ANNOYANCE_LIST, sharedPreferences.getBoolean(FANBOYS_ANNOYANCE_LIST, true));
 256             preferencesContentValues.put(FANBOYS_SOCIAL_BLOCKING_LIST, sharedPreferences.getBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, true));
 257             preferencesContentValues.put(ULTRAPRIVACY, sharedPreferences.getBoolean(ULTRAPRIVACY, true));
 258             preferencesContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, sharedPreferences.getBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, false));
 259             preferencesContentValues.put(PROXY_THROUGH_ORBOT, sharedPreferences.getBoolean(PROXY_THROUGH_ORBOT, false));
 260             preferencesContentValues.put(TOR_HOMEPAGE, sharedPreferences.getString(TOR_HOMEPAGE, context.getString(R.string.tor_homepage_default_value)));
 261             preferencesContentValues.put(TOR_SEARCH, sharedPreferences.getString(TOR_SEARCH, context.getString(R.string.tor_search_default_value)));
 262             preferencesContentValues.put(TOR_SEARCH_CUSTOM_URL, sharedPreferences.getString(TOR_SEARCH_CUSTOM_URL, context.getString(R.string.tor_search_custom_url_default_value)));
 263             preferencesContentValues.put(SEARCH, sharedPreferences.getString(SEARCH, context.getString(R.string.search_default_value)));
 264             preferencesContentValues.put(SEARCH_CUSTOM_URL, sharedPreferences.getString(SEARCH_CUSTOM_URL, context.getString(R.string.search_custom_url_default_value)));
 265             preferencesContentValues.put(FULL_SCREEN_BROWSING_MODE, sharedPreferences.getBoolean(FULL_SCREEN_BROWSING_MODE, false));
 266             preferencesContentValues.put(HIDE_APP_BAR, sharedPreferences.getBoolean(HIDE_APP_BAR, true));
 267             preferencesContentValues.put(CLEAR_EVERYTHING, sharedPreferences.getBoolean(CLEAR_EVERYTHING, true));
 268             preferencesContentValues.put(CLEAR_COOKIES, sharedPreferences.getBoolean(CLEAR_COOKIES, true));
 269             preferencesContentValues.put(CLEAR_DOM_STORAGE, sharedPreferences.getBoolean(CLEAR_DOM_STORAGE, true));
 270             preferencesContentValues.put(CLEAR_FORM_DATA, sharedPreferences.getBoolean(CLEAR_FORM_DATA, true));  // Clear form data can be removed once the minimum API >= 26.
 271             preferencesContentValues.put(CLEAR_CACHE, sharedPreferences.getBoolean(CLEAR_CACHE, true));
 272             preferencesContentValues.put(HOMEPAGE, sharedPreferences.getString(HOMEPAGE, context.getString(R.string.homepage_default_value)));
 273             preferencesContentValues.put(FONT_SIZE, sharedPreferences.getString(FONT_SIZE, context.getString(R.string.font_size_default_value)));
 274             preferencesContentValues.put(OPEN_INTENTS_IN_NEW_TAB, sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true));
 275             preferencesContentValues.put(SWIPE_TO_REFRESH, sharedPreferences.getBoolean(SWIPE_TO_REFRESH, true));
 276             preferencesContentValues.put(SCROLL_APP_BAR, sharedPreferences.getBoolean(SCROLL_APP_BAR, true));
 277             preferencesContentValues.put(DISPLAY_ADDITIONAL_APP_BAR_ICONS, sharedPreferences.getBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, false));
 278             preferencesContentValues.put(DOWNLOAD_WITH_EXTERNAL_APP, sharedPreferences.getBoolean(DOWNLOAD_WITH_EXTERNAL_APP, false));
 279             preferencesContentValues.put(DARK_THEME, sharedPreferences.getBoolean(DARK_THEME, false));
 280             preferencesContentValues.put(NIGHT_MODE, sharedPreferences.getBoolean(NIGHT_MODE, false));
 281             preferencesContentValues.put(DISPLAY_WEBPAGE_IMAGES, sharedPreferences.getBoolean(DISPLAY_WEBPAGE_IMAGES, true));
 282
 283             // Insert the preferences into the export database.
 284             exportDatabase.insert(PREFERENCES_TABLE, null, preferencesContentValues);
 285
 286             // Close the export database.
 287             exportDatabase.close();
 288
 289             // Convert the database file to a string.
 290             String exportFileString = exportFile.toString();
 291
 292             // Create strings for the temporary database files.
 293             String journalFileString = exportFileString + "-journal";
 294
 295             // Get `Files` for the temporary database files.
 296             File journalFile = new File(journalFileString);
 297
 298             // Delete the Journal file if it exists.
 299             if (journalFile.exists()) {
 300                 //noinspection ResultOfMethodCallIgnored
 301                 journalFile.delete();
 302             }
 303
 304             // Export successful.
 305             return EXPORT_SUCCESSFUL;
 306         } catch (Exception exception) {
 307             // Return the export error.
 308             return exception.toString();
 309         }
 310     }
 311
 312     public String importUnencrypted(File importFile, Context context){
 313         try {
 314             // Create a temporary import file string.
 315             String temporaryImportFileString = context.getCacheDir() + "/" + "temporary_import_file";
 316
 317             // Get a handle for a temporary import file.
 318             File temporaryImportFile = new File(temporaryImportFileString);
 319
 320             // Delete the temporary import file if it already exists.
 321             if (temporaryImportFile.exists()) {
 322                 //noinspection ResultOfMethodCallIgnored
 323                 temporaryImportFile.delete();
 324             }
 325
 326             // Create input and output streams.
 327             InputStream importFileInputStream = new FileInputStream(importFile);
 328             OutputStream temporaryImportFileOutputStream = new FileOutputStream(temporaryImportFile);
 329
 330             // Create a byte array.
 331             byte[] transferByteArray = new byte[1024];
 332
 333             // Create an integer to track the number of bytes read.
 334             int bytesRead;
 335
 336             // Copy the import file to the temporary import file.  Once the minimum API >= 26 `Files.copy` can be used instead.
 337             while ((bytesRead = importFileInputStream.read(transferByteArray)) > 0) {
 338                 temporaryImportFileOutputStream.write(transferByteArray, 0, bytesRead);
 339             }
 340
 341             // Close the file streams.
 342             importFileInputStream.close();
 343             temporaryImportFileOutputStream.close();
 344
 345
 346             // Get a handle for the shared preference.
 347             SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 348
 349             // Open the import database.  Once the minimum API >= 27 the file can be opened directly without using the string.
 350             SQLiteDatabase importDatabase = SQLiteDatabase.openDatabase(temporaryImportFileString, null, SQLiteDatabase.OPEN_READWRITE);
 351
 352             // Get the database version.
 353             int importDatabaseVersion = importDatabase.getVersion();
 354
 355             // Upgrade the database if needed.
 356             if (importDatabaseVersion < SCHEMA_VERSION) {
 357                 switch (importDatabaseVersion){
 358                     // Upgrade from schema version 1.
 359                     case 1:
 360                         // Add the download with external app preference.
 361                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + DOWNLOAD_WITH_EXTERNAL_APP + " BOOLEAN");
 362
 363                         // Get the current setting for downloading with an external app.
 364                         boolean downloadWithExternalApp = sharedPreferences.getBoolean(DOWNLOAD_WITH_EXTERNAL_APP, false);
 365
 366                         // Set the download with external app preference to the current value.
 367                         if (downloadWithExternalApp) {
 368                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + DOWNLOAD_WITH_EXTERNAL_APP + " = " + 1);
 369                         } else {
 370                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + DOWNLOAD_WITH_EXTERNAL_APP + " = " + 0);
 371                         }
 372
 373                     // Upgrade from schema version 2.
 374                     case 2:
 375                         // Once the SQLite version is >= 3.25.0 `ALTER TABLE RENAME COLUMN` can be used.  https://www.sqlite.org/lang_altertable.html  https://www.sqlite.org/changes.html
 376                         // https://developer.android.com/reference/android/database/sqlite/package-summary
 377                         // In the meantime, a new column must be created with the new name.  There is no need to delete the old column on the temporary import database.
 378
 379                         // Get a cursor with the current `default_font_size` value.
 380                         Cursor importDatabasePreferenceCursor = importDatabase.rawQuery("SELECT default_font_size FROM " + PREFERENCES_TABLE, null);
 381
 382                         // Move to the beginning fo the cursor.
 383                         importDatabasePreferenceCursor.moveToFirst();
 384
 385                         // Get the current value in `default_font_size`.
 386                         String fontSize = importDatabasePreferenceCursor.getString(importDatabasePreferenceCursor.getColumnIndex("default_font_size"));
 387
 388                         // Close the cursor.
 389                         importDatabasePreferenceCursor.close();
 390
 391                         // Create a new column named `font_size`.
 392                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + FONT_SIZE + " TEXT");
 393
 394                         // Place the font size string in the new column.
 395                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FONT_SIZE + " = " + fontSize);
 396
 397                     // Upgrade from schema version 3.
 398                     case 3:
 399                         // Add the Pinned IP Addresses columns to the domains table.
 400                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.PINNED_IP_ADDRESSES + " BOOLEAN");
 401                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.IP_ADDRESSES + " TEXT");
 402
 403                     // Upgrade from schema version 4.
 404                     case 4:
 405                         // Add the hide and scroll app bar preferences.
 406                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + HIDE_APP_BAR + " BOOLEAN");
 407                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + SCROLL_APP_BAR + " BOOLEAN");
 408
 409                         // Get the current hide and scroll app bar settings.
 410                         boolean hideAppBar = sharedPreferences.getBoolean(HIDE_APP_BAR, true);
 411                         boolean scrollAppBar = sharedPreferences.getBoolean(SCROLL_APP_BAR, true);
 412
 413                         // Populate the database with the current values.
 414                         if (hideAppBar) {
 415                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + HIDE_APP_BAR + " = " + 1);
 416                         } else {
 417                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + HIDE_APP_BAR + " = " + 0);
 418                         }
 419
 420                         if (scrollAppBar) {
 421                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + SCROLL_APP_BAR + " = " + 1);
 422                         } else {
 423                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + SCROLL_APP_BAR + " = " + 0);
 424                         }
 425
 426                     // Upgrade from schema version 5.
 427                     case 5:
 428                         // Add the open intents in new tab preference.
 429                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + OPEN_INTENTS_IN_NEW_TAB + " BOOLEAN");
 430
 431                         // Get the current open intents in new tab setting.
 432                         boolean openIntentsInNewTab = sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true);
 433
 434                         // Populate the database with the current value.
 435                         if (openIntentsInNewTab) {
 436                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + OPEN_INTENTS_IN_NEW_TAB + " = " + 1);
 437                         } else {
 438                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + OPEN_INTENTS_IN_NEW_TAB + " = " + 0);
 439                         }
 440                 }
 441             }
 442
 443             // Get a cursor for the domains table.
 444             Cursor importDomainsCursor = importDatabase.rawQuery("SELECT * FROM " + DomainsDatabaseHelper.DOMAINS_TABLE + " ORDER BY " + DomainsDatabaseHelper.DOMAIN_NAME + " ASC", null);
 445
 446             // Delete the current domains database.
 447             context.deleteDatabase(DomainsDatabaseHelper.DOMAINS_DATABASE);
 448
 449             // Create a new domains database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
 450             DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0);
 451
 452             // Move to the first domain.
 453             importDomainsCursor.moveToFirst();
 454
 455             // Copy the data from the import domains cursor into the domains database.
 456             for (int i = 0; i < importDomainsCursor.getCount(); i++) {
 457                 // Extract the record from the cursor and store the data in a ContentValues.
 458                 ContentValues domainsContentValues = new ContentValues();
 459                 domainsContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)));
 460                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)));
 461                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)));
 462                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)));
 463                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)));
 464                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)));
 465                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)));
 466                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)));
 467                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST,
 468                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)));
 469                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST,
 470                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)));
 471                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)));
 472                 domainsContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS,
 473                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)));
 474                 domainsContentValues.put(DomainsDatabaseHelper.USER_AGENT, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
 475                 domainsContentValues.put(DomainsDatabaseHelper.FONT_SIZE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
 476                 domainsContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SWIPE_TO_REFRESH)));
 477                 domainsContentValues.put(DomainsDatabaseHelper.NIGHT_MODE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.NIGHT_MODE)));
 478                 domainsContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES)));
 479                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)));
 480                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)));
 481                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)));
 482                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT,
 483                         importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)));
 484                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)));
 485                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)));
 486                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT,
 487                         importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)));
 488                 domainsContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
 489                 domainsContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
 490                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)));
 491                 domainsContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.IP_ADDRESSES)));
 492
 493                 // Insert the record into the export database.
 494                 domainsDatabaseHelper.addDomain(domainsContentValues);
 495
 496                 // Advance to the next record.
 497                 importDomainsCursor.moveToNext();
 498             }
 499
 500             // Close the domains cursor.
 501             importDomainsCursor.close();
 502
 503             // Close the domains database.
 504             domainsDatabaseHelper.close();
 505
 506
 507             // Get a cursor for the bookmarks table.
 508             Cursor importBookmarksCursor = importDatabase.rawQuery("SELECT * FROM " + BookmarksDatabaseHelper.BOOKMARKS_TABLE, null);
 509
 510             // Delete the current bookmarks database.
 511             context.deleteDatabase(BookmarksDatabaseHelper.BOOKMARKS_DATABASE);
 512
 513             // Create a new bookmarks database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
 514             BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(context, null, null, 0);
 515
 516             // Move to the first bookmark.
 517             importBookmarksCursor.moveToFirst();
 518
 519             // Copy the data from the import bookmarks cursor into the bookmarks database.
 520             for (int i = 0; i < importBookmarksCursor.getCount(); i++) {
 521                 // Extract the record from the cursor and store the data in a ContentValues.
 522                 ContentValues bookmarksContentValues = new ContentValues();
 523                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
 524                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
 525                 bookmarksContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
 526                 bookmarksContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)));
 527                 bookmarksContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)));
 528                 bookmarksContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, importBookmarksCursor.getBlob(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON)));
 529
 530                 // Insert the record into the export database.
 531                 bookmarksDatabaseHelper.createBookmark(bookmarksContentValues);
 532
 533                 // Advance to the next record.
 534                 importBookmarksCursor.moveToNext();
 535             }
 536
 537             // Close the bookmarks cursor.
 538             importBookmarksCursor.close();
 539
 540             // Close the bookmarks database.
 541             bookmarksDatabaseHelper.close();
 542
 543
 544             // Get a cursor for the bookmarks table.
 545             Cursor importPreferencesCursor = importDatabase.rawQuery("SELECT * FROM " + PREFERENCES_TABLE, null);
 546
 547             // Move to the first preference.
 548             importPreferencesCursor.moveToFirst();
 549
 550             // Import the preference data.
 551             sharedPreferences.edit()
 552                     .putBoolean(JAVASCRIPT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(JAVASCRIPT)) == 1)
 553                     .putBoolean(FIRST_PARTY_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FIRST_PARTY_COOKIES)) == 1)
 554                     .putBoolean(THIRD_PARTY_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(THIRD_PARTY_COOKIES)) == 1)
 555                     .putBoolean(DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DOM_STORAGE)) == 1)
 556                     // Save form data can be removed once the minimum API >= 26.
 557                     .putBoolean(SAVE_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SAVE_FORM_DATA)) == 1)
 558                     .putString(USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(USER_AGENT)))
 559                     .putString(CUSTOM_USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(CUSTOM_USER_AGENT)))
 560                     .putBoolean(INCOGNITO_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(INCOGNITO_MODE)) == 1)
 561                     .putBoolean(DO_NOT_TRACK, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DO_NOT_TRACK)) == 1)
 562                     .putBoolean(ALLOW_SCREENSHOTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ALLOW_SCREENSHOTS)) == 1)
 563                     .putBoolean(EASYLIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(EASYLIST)) == 1)
 564                     .putBoolean(EASYPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(EASYPRIVACY)) == 1)
 565                     .putBoolean(FANBOYS_ANNOYANCE_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FANBOYS_ANNOYANCE_LIST)) == 1)
 566                     .putBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FANBOYS_SOCIAL_BLOCKING_LIST)) == 1)
 567                     .putBoolean(ULTRAPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ULTRAPRIVACY)) == 1)
 568                     .putBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(BLOCK_ALL_THIRD_PARTY_REQUESTS)) == 1)
 569                     .putBoolean(PROXY_THROUGH_ORBOT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(PROXY_THROUGH_ORBOT)) == 1)
 570                     .putString(TOR_HOMEPAGE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(TOR_HOMEPAGE)))
 571                     .putString(TOR_SEARCH, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(TOR_SEARCH)))
 572                     .putString(TOR_SEARCH_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(TOR_SEARCH_CUSTOM_URL)))
 573                     .putString(SEARCH, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(SEARCH)))
 574                     .putString(SEARCH_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(SEARCH_CUSTOM_URL)))
 575                     .putBoolean(FULL_SCREEN_BROWSING_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FULL_SCREEN_BROWSING_MODE)) == 1)
 576                     .putBoolean(HIDE_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(HIDE_APP_BAR)) == 1)
 577                     .putBoolean(CLEAR_EVERYTHING, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_EVERYTHING)) == 1)
 578                     .putBoolean(CLEAR_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_COOKIES)) == 1)
 579                     .putBoolean(CLEAR_DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_DOM_STORAGE)) == 1)
 580                     // Clear form data can be removed once the minimum API >= 26.
 581                     .putBoolean(CLEAR_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_FORM_DATA)) == 1)
 582                     .putBoolean(CLEAR_CACHE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_CACHE)) == 1)
 583                     .putString(HOMEPAGE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(HOMEPAGE)))
 584                     .putString(FONT_SIZE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(FONT_SIZE)))
 585                     .putBoolean(OPEN_INTENTS_IN_NEW_TAB, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(OPEN_INTENTS_IN_NEW_TAB)) == 1)
 586                     .putBoolean(SWIPE_TO_REFRESH, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SWIPE_TO_REFRESH)) == 1)
 587                     .putBoolean(SCROLL_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SCROLL_APP_BAR)) == 1)
 588                     .putBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DISPLAY_ADDITIONAL_APP_BAR_ICONS)) == 1)
 589                     .putBoolean(DOWNLOAD_WITH_EXTERNAL_APP, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DOWNLOAD_WITH_EXTERNAL_APP)) == 1)
 590                     .putBoolean(DARK_THEME, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DARK_THEME)) == 1)
 591                     .putBoolean(NIGHT_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(NIGHT_MODE)) == 1)
 592                     .putBoolean(DISPLAY_WEBPAGE_IMAGES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DISPLAY_WEBPAGE_IMAGES)) == 1)
 593                     .apply();
 594
 595             // Close the preferences cursor.
 596             importPreferencesCursor.close();
 597
 598
 599             // Close the import database.
 600             importDatabase.close();
 601
 602             // Create strings for the temporary database files.
 603             String shmFileString = temporaryImportFileString + "-shm";
 604             String walFileString = temporaryImportFileString + "-wal";
 605             String journalFileString = temporaryImportFileString + "-journal";
 606
 607             // Get `Files` for the temporary database files.
 608             File shmFile = new File(shmFileString);
 609             File walFile = new File(walFileString);
 610             File journalFile = new File(journalFileString);
 611
 612             // Delete the Shared Memory file if it exists.
 613             if (shmFile.exists()) {
 614                 //noinspection ResultOfMethodCallIgnored
 615                 shmFile.delete();
 616             }
 617
 618             // Delete the Write Ahead Log file if it exists.
 619             if (walFile.exists()) {
 620                 //noinspection ResultOfMethodCallIgnored
 621                 walFile.delete();
 622             }
 623
 624             // Delete the Journal file if it exists.
 625             if (journalFile.exists()) {
 626                 //noinspection ResultOfMethodCallIgnored
 627                 journalFile.delete();
 628             }
 629
 630             // Delete the temporary import file.
 631             //noinspection ResultOfMethodCallIgnored
 632             temporaryImportFile.delete();
 633
 634             // Import successful.
 635             return IMPORT_SUCCESSFUL;
 636         } catch (Exception exception) {
 637             // Return the import error.
 638             return exception.toString();
 639         }
 640     }
 641 }