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 = 8;
  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 ULTRALIST = "ultralist";
  61     private static final String ULTRAPRIVACY = "ultraprivacy";
  62     private static final String BLOCK_ALL_THIRD_PARTY_REQUESTS = "block_all_third_party_requests";
  63     private static final String GOOGLE_ANALYTICS = "google_analytics";
  64     private static final String FACEBOOK_CLICK_IDS = "facebook_click_ids";
  65     private static final String TWITTER_AMP_REDIRECTS = "twitter_amp_redirects";
  66     private static final String PROXY_THROUGH_ORBOT = "proxy_through_orbot";
  67     private static final String TOR_HOMEPAGE = "tor_homepage";
  68     private static final String TOR_SEARCH = "tor_search";
  69     private static final String TOR_SEARCH_CUSTOM_URL = "tor_search_custom_url";
  70     private static final String SEARCH = "search";
  71     private static final String SEARCH_CUSTOM_URL = "search_custom_url";
  72     private static final String FULL_SCREEN_BROWSING_MODE = "full_screen_browsing_mode";
  73     private static final String HIDE_APP_BAR = "hide_app_bar";
  74     private static final String CLEAR_EVERYTHING = "clear_everything";
  75     private static final String CLEAR_COOKIES = "clear_cookies";
  76     private static final String CLEAR_DOM_STORAGE = "clear_dom_storage";
  77     private static final String CLEAR_FORM_DATA = "clear_form_data";
  78     private static final String CLEAR_CACHE = "clear_cache";
  79     private static final String HOMEPAGE = "homepage";
  80     private static final String FONT_SIZE = "font_size";
  81     private static final String OPEN_INTENTS_IN_NEW_TAB = "open_intents_in_new_tab";
  82     private static final String SWIPE_TO_REFRESH = "swipe_to_refresh";
  83     private static final String SCROLL_APP_BAR = "scroll_app_bar";
  84     private static final String DISPLAY_ADDITIONAL_APP_BAR_ICONS = "display_additional_app_bar_icons";
  85     private static final String DOWNLOAD_WITH_EXTERNAL_APP = "download_with_external_app";
  86     private static final String DARK_THEME = "dark_theme";
  87     private static final String NIGHT_MODE = "night_mode";
  88     private static final String WIDE_VIEWPORT = "wide_viewport";
  89     private static final String DISPLAY_WEBPAGE_IMAGES = "display_webpage_images";
  90
  91     public String exportUnencrypted(File exportFile, Context context) {
  92         try {
  93             // Delete the current file if it exists.
  94             if (exportFile.exists()) {
  95                 //noinspection ResultOfMethodCallIgnored
  96                 exportFile.delete();
  97             }
  98
  99             // Create the export database.
 100             SQLiteDatabase exportDatabase = SQLiteDatabase.openOrCreateDatabase(exportFile, null);
 101
 102             // Set the export database version number.
 103             exportDatabase.setVersion(SCHEMA_VERSION);
 104
 105             // Create the export database domains table.
 106             exportDatabase.execSQL(DomainsDatabaseHelper.CREATE_DOMAINS_TABLE);
 107
 108             // Open the domains database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
 109             DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0);
 110
 111             // Get a full domains database cursor.
 112             Cursor domainsCursor = domainsDatabaseHelper.getCompleteCursorOrderedByDomain();
 113
 114             // Move to the first domain.
 115             domainsCursor.moveToFirst();
 116
 117             // Copy the data from the domains cursor into the export database.
 118             for (int i = 0; i < domainsCursor.getCount(); i++) {
 119                 // Extract the record from the cursor and store the data in a ContentValues.
 120                 ContentValues domainsContentValues = new ContentValues();
 121                 domainsContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)));
 122                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)));
 123                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)));
 124                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)));
 125                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)));
 126                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)));
 127                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)));
 128                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)));
 129                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)));
 130                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)));
 131                 domainsContentValues.put(DomainsDatabaseHelper.ULTRALIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ULTRALIST)));
 132                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)));
 133                 domainsContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)));
 134                 domainsContentValues.put(DomainsDatabaseHelper.USER_AGENT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
 135                 domainsContentValues.put(DomainsDatabaseHelper.FONT_SIZE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
 136                 domainsContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SWIPE_TO_REFRESH)));
 137                 domainsContentValues.put(DomainsDatabaseHelper.NIGHT_MODE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.NIGHT_MODE)));
 138                 domainsContentValues.put(DomainsDatabaseHelper.WIDE_VIEWPORT, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.WIDE_VIEWPORT)));
 139                 domainsContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES)));
 140                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)));
 141                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)));
 142                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)));
 143                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)));
 144                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)));
 145                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)));
 146                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)));
 147                 domainsContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, domainsCursor.getLong(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
 148                 domainsContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, domainsCursor.getLong(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
 149                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)));
 150                 domainsContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.IP_ADDRESSES)));
 151
 152                 // Insert the record into the export database.
 153                 exportDatabase.insert(DomainsDatabaseHelper.DOMAINS_TABLE, null, domainsContentValues);
 154
 155                 // Advance to the next record.
 156                 domainsCursor.moveToNext();
 157             }
 158
 159             // Close the domains database.
 160             domainsCursor.close();
 161             domainsDatabaseHelper.close();
 162
 163
 164             // Create the export database bookmarks table.
 165             exportDatabase.execSQL(BookmarksDatabaseHelper.CREATE_BOOKMARKS_TABLE);
 166
 167             // Open the bookmarks database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
 168             BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(context, null, null, 0);
 169
 170             // Get a full bookmarks cursor.
 171             Cursor bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarks();
 172
 173             // Move to the first bookmark.
 174             bookmarksCursor.moveToFirst();
 175
 176             // Copy the data from the bookmarks cursor into the export database.
 177             for (int i = 0; i < bookmarksCursor.getCount(); i++) {
 178                 // Extract the record from the cursor and store the data in a ContentValues.
 179                 ContentValues bookmarksContentValues = new ContentValues();
 180                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
 181                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
 182                 bookmarksContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
 183                 bookmarksContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)));
 184                 bookmarksContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)));
 185                 bookmarksContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, bookmarksCursor.getBlob(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON)));
 186
 187                 // Insert the record into the export database.
 188                 exportDatabase.insert(BookmarksDatabaseHelper.BOOKMARKS_TABLE, null, bookmarksContentValues);
 189
 190                 // Advance to the next record.
 191                 bookmarksCursor.moveToNext();
 192             }
 193
 194             // Close the bookmarks database.
 195             bookmarksCursor.close();
 196             bookmarksDatabaseHelper.close();
 197
 198
 199             // Prepare the preferences table SQL creation string.
 200             String CREATE_PREFERENCES_TABLE = "CREATE TABLE " + PREFERENCES_TABLE + " (" +
 201                     _ID + " INTEGER PRIMARY KEY, " +
 202                     JAVASCRIPT + " BOOLEAN, " +
 203                     FIRST_PARTY_COOKIES + " BOOLEAN, " +
 204                     THIRD_PARTY_COOKIES + " BOOLEAN, " +
 205                     DOM_STORAGE + " BOOLEAN, " +
 206                     SAVE_FORM_DATA + " BOOLEAN, " +
 207                     USER_AGENT + " TEXT, " +
 208                     CUSTOM_USER_AGENT + " TEXT, " +
 209                     INCOGNITO_MODE + " BOOLEAN, " +
 210                     DO_NOT_TRACK + " BOOLEAN, " +
 211                     ALLOW_SCREENSHOTS + " BOOLEAN, " +
 212                     EASYLIST + " BOOLEAN, " +
 213                     EASYPRIVACY + " BOOLEAN, " +
 214                     FANBOYS_ANNOYANCE_LIST + " BOOLEAN, " +
 215                     FANBOYS_SOCIAL_BLOCKING_LIST + " BOOLEAN, " +
 216                     ULTRALIST + " BOOLEAN, " +
 217                     ULTRAPRIVACY + " BOOLEAN, " +
 218                     BLOCK_ALL_THIRD_PARTY_REQUESTS + " BOOLEAN, " +
 219                     GOOGLE_ANALYTICS + " BOOLEAN, " +
 220                     FACEBOOK_CLICK_IDS + " BOOLEAN, " +
 221                     TWITTER_AMP_REDIRECTS + " BOOLEAN, " +
 222                     PROXY_THROUGH_ORBOT + " BOOLEAN, " +
 223                     TOR_HOMEPAGE + " TEXT, " +
 224                     TOR_SEARCH + " TEXT, " +
 225                     TOR_SEARCH_CUSTOM_URL + " TEXT, " +
 226                     SEARCH + " TEXT, " +
 227                     SEARCH_CUSTOM_URL + " TEXT, " +
 228                     FULL_SCREEN_BROWSING_MODE + " BOOLEAN, " +
 229                     HIDE_APP_BAR + " BOOLEAN, " +
 230                     CLEAR_EVERYTHING + " BOOLEAN, " +
 231                     CLEAR_COOKIES + " BOOLEAN, " +
 232                     CLEAR_DOM_STORAGE + " BOOLEAN, " +
 233                     CLEAR_FORM_DATA + " BOOLEAN, " +
 234                     CLEAR_CACHE + " BOOLEAN, " +
 235                     HOMEPAGE + " TEXT, " +
 236                     FONT_SIZE + " TEXT, " +
 237                     OPEN_INTENTS_IN_NEW_TAB + " BOOLEAN, " +
 238                     SWIPE_TO_REFRESH + " BOOLEAN, " +
 239                     SCROLL_APP_BAR + " BOOLEAN, " +
 240                     DISPLAY_ADDITIONAL_APP_BAR_ICONS + " BOOLEAN, " +
 241                     DOWNLOAD_WITH_EXTERNAL_APP + " BOOLEAN, " +
 242                     DARK_THEME + " BOOLEAN, " +
 243                     NIGHT_MODE + " BOOLEAN, " +
 244                     WIDE_VIEWPORT + " BOOLEAN, " +
 245                     DISPLAY_WEBPAGE_IMAGES + " BOOLEAN)";
 246
 247             // Create the export database preferences table.
 248             exportDatabase.execSQL(CREATE_PREFERENCES_TABLE);
 249
 250             // Get a handle for the shared preference.
 251             SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 252
 253             // Create a ContentValues with the preferences information.
 254             ContentValues preferencesContentValues = new ContentValues();
 255             preferencesContentValues.put(JAVASCRIPT, sharedPreferences.getBoolean(JAVASCRIPT, false));
 256             preferencesContentValues.put(FIRST_PARTY_COOKIES, sharedPreferences.getBoolean(FIRST_PARTY_COOKIES, false));
 257             preferencesContentValues.put(THIRD_PARTY_COOKIES, sharedPreferences.getBoolean(THIRD_PARTY_COOKIES, false));
 258             preferencesContentValues.put(DOM_STORAGE, sharedPreferences.getBoolean(DOM_STORAGE, false));
 259             preferencesContentValues.put(SAVE_FORM_DATA, sharedPreferences.getBoolean(SAVE_FORM_DATA, false));  // Save form data can be removed once the minimum API >= 26.
 260             preferencesContentValues.put(USER_AGENT, sharedPreferences.getString(USER_AGENT, context.getString(R.string.user_agent_default_value)));
 261             preferencesContentValues.put(CUSTOM_USER_AGENT, sharedPreferences.getString(CUSTOM_USER_AGENT, context.getString(R.string.custom_user_agent_default_value)));
 262             preferencesContentValues.put(INCOGNITO_MODE, sharedPreferences.getBoolean(INCOGNITO_MODE, false));
 263             preferencesContentValues.put(DO_NOT_TRACK, sharedPreferences.getBoolean(DO_NOT_TRACK, false));
 264             preferencesContentValues.put(ALLOW_SCREENSHOTS, sharedPreferences.getBoolean(ALLOW_SCREENSHOTS, false));
 265             preferencesContentValues.put(EASYLIST, sharedPreferences.getBoolean(EASYLIST, true));
 266             preferencesContentValues.put(EASYPRIVACY, sharedPreferences.getBoolean(EASYPRIVACY, true));
 267             preferencesContentValues.put(FANBOYS_ANNOYANCE_LIST, sharedPreferences.getBoolean(FANBOYS_ANNOYANCE_LIST, true));
 268             preferencesContentValues.put(FANBOYS_SOCIAL_BLOCKING_LIST, sharedPreferences.getBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, true));
 269             preferencesContentValues.put(ULTRALIST, sharedPreferences.getBoolean(ULTRALIST, true));
 270             preferencesContentValues.put(ULTRAPRIVACY, sharedPreferences.getBoolean(ULTRAPRIVACY, true));
 271             preferencesContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, sharedPreferences.getBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, false));
 272             preferencesContentValues.put(GOOGLE_ANALYTICS, sharedPreferences.getBoolean(GOOGLE_ANALYTICS, true));
 273             preferencesContentValues.put(FACEBOOK_CLICK_IDS, sharedPreferences.getBoolean(FACEBOOK_CLICK_IDS, true));
 274             preferencesContentValues.put(TWITTER_AMP_REDIRECTS, sharedPreferences.getBoolean(TWITTER_AMP_REDIRECTS, true));
 275             preferencesContentValues.put(PROXY_THROUGH_ORBOT, sharedPreferences.getBoolean(PROXY_THROUGH_ORBOT, false));
 276             preferencesContentValues.put(TOR_HOMEPAGE, sharedPreferences.getString(TOR_HOMEPAGE, context.getString(R.string.tor_homepage_default_value)));
 277             preferencesContentValues.put(TOR_SEARCH, sharedPreferences.getString(TOR_SEARCH, context.getString(R.string.tor_search_default_value)));
 278             preferencesContentValues.put(TOR_SEARCH_CUSTOM_URL, sharedPreferences.getString(TOR_SEARCH_CUSTOM_URL, context.getString(R.string.tor_search_custom_url_default_value)));
 279             preferencesContentValues.put(SEARCH, sharedPreferences.getString(SEARCH, context.getString(R.string.search_default_value)));
 280             preferencesContentValues.put(SEARCH_CUSTOM_URL, sharedPreferences.getString(SEARCH_CUSTOM_URL, context.getString(R.string.search_custom_url_default_value)));
 281             preferencesContentValues.put(FULL_SCREEN_BROWSING_MODE, sharedPreferences.getBoolean(FULL_SCREEN_BROWSING_MODE, false));
 282             preferencesContentValues.put(HIDE_APP_BAR, sharedPreferences.getBoolean(HIDE_APP_BAR, true));
 283             preferencesContentValues.put(CLEAR_EVERYTHING, sharedPreferences.getBoolean(CLEAR_EVERYTHING, true));
 284             preferencesContentValues.put(CLEAR_COOKIES, sharedPreferences.getBoolean(CLEAR_COOKIES, true));
 285             preferencesContentValues.put(CLEAR_DOM_STORAGE, sharedPreferences.getBoolean(CLEAR_DOM_STORAGE, true));
 286             preferencesContentValues.put(CLEAR_FORM_DATA, sharedPreferences.getBoolean(CLEAR_FORM_DATA, true));  // Clear form data can be removed once the minimum API >= 26.
 287             preferencesContentValues.put(CLEAR_CACHE, sharedPreferences.getBoolean(CLEAR_CACHE, true));
 288             preferencesContentValues.put(HOMEPAGE, sharedPreferences.getString(HOMEPAGE, context.getString(R.string.homepage_default_value)));
 289             preferencesContentValues.put(FONT_SIZE, sharedPreferences.getString(FONT_SIZE, context.getString(R.string.font_size_default_value)));
 290             preferencesContentValues.put(OPEN_INTENTS_IN_NEW_TAB, sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true));
 291             preferencesContentValues.put(SWIPE_TO_REFRESH, sharedPreferences.getBoolean(SWIPE_TO_REFRESH, true));
 292             preferencesContentValues.put(SCROLL_APP_BAR, sharedPreferences.getBoolean(SCROLL_APP_BAR, true));
 293             preferencesContentValues.put(DISPLAY_ADDITIONAL_APP_BAR_ICONS, sharedPreferences.getBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, false));
 294             preferencesContentValues.put(DOWNLOAD_WITH_EXTERNAL_APP, sharedPreferences.getBoolean(DOWNLOAD_WITH_EXTERNAL_APP, false));
 295             preferencesContentValues.put(DARK_THEME, sharedPreferences.getBoolean(DARK_THEME, false));
 296             preferencesContentValues.put(NIGHT_MODE, sharedPreferences.getBoolean(NIGHT_MODE, false));
 297             preferencesContentValues.put(WIDE_VIEWPORT, sharedPreferences.getBoolean(WIDE_VIEWPORT, true));
 298             preferencesContentValues.put(DISPLAY_WEBPAGE_IMAGES, sharedPreferences.getBoolean(DISPLAY_WEBPAGE_IMAGES, true));
 299
 300             // Insert the preferences into the export database.
 301             exportDatabase.insert(PREFERENCES_TABLE, null, preferencesContentValues);
 302
 303             // Close the export database.
 304             exportDatabase.close();
 305
 306             // Convert the database file to a string.
 307             String exportFileString = exportFile.toString();
 308
 309             // Create strings for the temporary database files.
 310             String journalFileString = exportFileString + "-journal";
 311
 312             // Get `Files` for the temporary database files.
 313             File journalFile = new File(journalFileString);
 314
 315             // Delete the Journal file if it exists.
 316             if (journalFile.exists()) {
 317                 //noinspection ResultOfMethodCallIgnored
 318                 journalFile.delete();
 319             }
 320
 321             // Export successful.
 322             return EXPORT_SUCCESSFUL;
 323         } catch (Exception exception) {
 324             // Return the export error.
 325             return exception.toString();
 326         }
 327     }
 328
 329     public String importUnencrypted(File importFile, Context context){
 330         try {
 331             // Create a temporary import file string.
 332             String temporaryImportFileString = context.getCacheDir() + "/" + "temporary_import_file";
 333
 334             // Get a handle for a temporary import file.
 335             File temporaryImportFile = new File(temporaryImportFileString);
 336
 337             // Delete the temporary import file if it already exists.
 338             if (temporaryImportFile.exists()) {
 339                 //noinspection ResultOfMethodCallIgnored
 340                 temporaryImportFile.delete();
 341             }
 342
 343             // Create input and output streams.
 344             InputStream importFileInputStream = new FileInputStream(importFile);
 345             OutputStream temporaryImportFileOutputStream = new FileOutputStream(temporaryImportFile);
 346
 347             // Create a byte array.
 348             byte[] transferByteArray = new byte[1024];
 349
 350             // Create an integer to track the number of bytes read.
 351             int bytesRead;
 352
 353             // Copy the import file to the temporary import file.  Once the minimum API >= 26 `Files.copy` can be used instead.
 354             while ((bytesRead = importFileInputStream.read(transferByteArray)) > 0) {
 355                 temporaryImportFileOutputStream.write(transferByteArray, 0, bytesRead);
 356             }
 357
 358             // Close the file streams.
 359             importFileInputStream.close();
 360             temporaryImportFileOutputStream.close();
 361
 362
 363             // Get a handle for the shared preference.
 364             SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 365
 366             // Open the import database.  Once the minimum API >= 27 the file can be opened directly without using the string.
 367             SQLiteDatabase importDatabase = SQLiteDatabase.openDatabase(temporaryImportFileString, null, SQLiteDatabase.OPEN_READWRITE);
 368
 369             // Get the database version.
 370             int importDatabaseVersion = importDatabase.getVersion();
 371
 372             // Upgrade the database if needed.
 373             if (importDatabaseVersion < SCHEMA_VERSION) {
 374                 switch (importDatabaseVersion){
 375                     // Upgrade from schema version 1.
 376                     case 1:
 377                         // Add the download with external app column to the preferences table.
 378                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + DOWNLOAD_WITH_EXTERNAL_APP + " BOOLEAN");
 379
 380                         // Get the current setting for downloading with an external app.
 381                         boolean downloadWithExternalApp = sharedPreferences.getBoolean(DOWNLOAD_WITH_EXTERNAL_APP, false);
 382
 383                         // Set the download with external app preference to the current value.
 384                         if (downloadWithExternalApp) {
 385                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + DOWNLOAD_WITH_EXTERNAL_APP + " = " + 1);
 386                         } else {
 387                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + DOWNLOAD_WITH_EXTERNAL_APP + " = " + 0);
 388                         }
 389
 390                     // Upgrade from schema version 2.
 391                     case 2:
 392                         // 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
 393                         // https://developer.android.com/reference/android/database/sqlite/package-summary
 394                         // 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.
 395
 396                         // Get a cursor with the current `default_font_size` value.
 397                         Cursor importDatabasePreferenceCursor = importDatabase.rawQuery("SELECT default_font_size FROM " + PREFERENCES_TABLE, null);
 398
 399                         // Move to the beginning fo the cursor.
 400                         importDatabasePreferenceCursor.moveToFirst();
 401
 402                         // Get the current value in `default_font_size`.
 403                         String fontSize = importDatabasePreferenceCursor.getString(importDatabasePreferenceCursor.getColumnIndex("default_font_size"));
 404
 405                         // Close the cursor.
 406                         importDatabasePreferenceCursor.close();
 407
 408                         // Create a new column named `font_size`.
 409                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + FONT_SIZE + " TEXT");
 410
 411                         // Place the font size string in the new column.
 412                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FONT_SIZE + " = " + fontSize);
 413
 414                     // Upgrade from schema version 3.
 415                     case 3:
 416                         // Add the Pinned IP Addresses columns to the domains table.
 417                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.PINNED_IP_ADDRESSES + " BOOLEAN");
 418                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.IP_ADDRESSES + " TEXT");
 419
 420                     // Upgrade from schema version 4.
 421                     case 4:
 422                         // Add the hide and scroll app bar columns to the preferences table.
 423                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + HIDE_APP_BAR + " BOOLEAN");
 424                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + SCROLL_APP_BAR + " BOOLEAN");
 425
 426                         // Get the current hide and scroll app bar settings.
 427                         boolean hideAppBar = sharedPreferences.getBoolean(HIDE_APP_BAR, true);
 428                         boolean scrollAppBar = sharedPreferences.getBoolean(SCROLL_APP_BAR, true);
 429
 430                         // Populate the database with the current values.
 431                         if (hideAppBar) {
 432                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + HIDE_APP_BAR + " = " + 1);
 433                         } else {
 434                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + HIDE_APP_BAR + " = " + 0);
 435                         }
 436
 437                         if (scrollAppBar) {
 438                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + SCROLL_APP_BAR + " = " + 1);
 439                         } else {
 440                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + SCROLL_APP_BAR + " = " + 0);
 441                         }
 442
 443                     // Upgrade from schema version 5.
 444                     case 5:
 445                         // Add the open intents in new tab column to the preferences table.
 446                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + OPEN_INTENTS_IN_NEW_TAB + " BOOLEAN");
 447
 448                         // Get the current open intents in new tab preference.
 449                         boolean openIntentsInNewTab = sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true);
 450
 451                         // Populate the database with the current value.
 452                         if (openIntentsInNewTab) {
 453                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + OPEN_INTENTS_IN_NEW_TAB + " = " + 1);
 454                         } else {
 455                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + OPEN_INTENTS_IN_NEW_TAB + " = " + 0);
 456                         }
 457
 458                     // Upgrade from schema version 6.
 459                     case 6:
 460                         // Add the wide viewport column to the domains table.
 461                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.WIDE_VIEWPORT + " INTEGER");
 462
 463                         // Add the Google Analytics, Facebook Click IDs, Twitter AMP redirects, and wide viewport columns to the preferences table.
 464                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + GOOGLE_ANALYTICS + " BOOLEAN");
 465                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + FACEBOOK_CLICK_IDS + " BOOLEAN");
 466                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + TWITTER_AMP_REDIRECTS + " BOOLEAN");
 467                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + WIDE_VIEWPORT + " BOOLEAN");
 468
 469                         // Get the current preference values.
 470                         boolean googleAnalytics = sharedPreferences.getBoolean(GOOGLE_ANALYTICS, true);
 471                         boolean facebookClickIds = sharedPreferences.getBoolean(FACEBOOK_CLICK_IDS, true);
 472                         boolean twitterAmpRedirects = sharedPreferences.getBoolean(TWITTER_AMP_REDIRECTS, true);
 473                         boolean wideViewport = sharedPreferences.getBoolean(WIDE_VIEWPORT, true);
 474
 475                         // Populate the database with the current Google Analytics value.
 476                         if (googleAnalytics) {
 477                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + GOOGLE_ANALYTICS + " = " + 1);
 478                         } else {
 479                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + GOOGLE_ANALYTICS + " = " + 0);
 480                         }
 481
 482                         // Populate the database with the current Facebook Click IDs value.
 483                         if (facebookClickIds) {
 484                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FACEBOOK_CLICK_IDS + " = " + 1);
 485                         } else {
 486                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FACEBOOK_CLICK_IDS + " = " + 0);
 487                         }
 488
 489                         // Populate the database with the current Twitter AMP redirects value.
 490                         if (twitterAmpRedirects) {
 491                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + TWITTER_AMP_REDIRECTS + " = " + 1);
 492                         } else {
 493                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + TWITTER_AMP_REDIRECTS + " = " + 0);
 494                         }
 495
 496                         // Populate the database with the current wide viewport value.
 497                         if (wideViewport) {
 498                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + WIDE_VIEWPORT + " = " + 1);
 499                         } else {
 500                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + WIDE_VIEWPORT + " = " + 0);
 501                         }
 502
 503                     // Upgrade from schema version 7.
 504                     case 7:
 505                         // Add the UltraList column to the domains table.
 506                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.ULTRALIST + " BOOLEAN");
 507
 508                         // Add the UltraList column to the preferences table.
 509                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + ULTRALIST + " BOOLEAN");
 510
 511                         // Get the current preference values.
 512                         boolean ultraList = sharedPreferences.getBoolean(ULTRALIST, true);
 513
 514                         // Populate the tables with the current UltraList value.
 515                         if (ultraList) {
 516                             importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.ULTRALIST + " = " + 1);
 517                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + ULTRALIST + " = " + 1);
 518                         } else {
 519                             importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.ULTRALIST + " = " + 0);
 520                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + ULTRALIST + " = " + 0);
 521                         }
 522                 }
 523             }
 524
 525             // Get a cursor for the domains table.
 526             Cursor importDomainsCursor = importDatabase.rawQuery("SELECT * FROM " + DomainsDatabaseHelper.DOMAINS_TABLE + " ORDER BY " + DomainsDatabaseHelper.DOMAIN_NAME + " ASC", null);
 527
 528             // Delete the current domains database.
 529             context.deleteDatabase(DomainsDatabaseHelper.DOMAINS_DATABASE);
 530
 531             // Create a new domains database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
 532             DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0);
 533
 534             // Move to the first domain.
 535             importDomainsCursor.moveToFirst();
 536
 537             // Copy the data from the import domains cursor into the domains database.
 538             for (int i = 0; i < importDomainsCursor.getCount(); i++) {
 539                 // Extract the record from the cursor and store the data in a ContentValues.
 540                 ContentValues domainsContentValues = new ContentValues();
 541                 domainsContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)));
 542                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)));
 543                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)));
 544                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)));
 545                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)));
 546                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)));
 547                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)));
 548                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)));
 549                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST,
 550                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)));
 551                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST,
 552                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)));
 553                 domainsContentValues.put(DomainsDatabaseHelper.ULTRALIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ULTRALIST)));
 554                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)));
 555                 domainsContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS,
 556                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)));
 557                 domainsContentValues.put(DomainsDatabaseHelper.USER_AGENT, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
 558                 domainsContentValues.put(DomainsDatabaseHelper.FONT_SIZE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
 559                 domainsContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SWIPE_TO_REFRESH)));
 560                 domainsContentValues.put(DomainsDatabaseHelper.NIGHT_MODE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.NIGHT_MODE)));
 561                 domainsContentValues.put(DomainsDatabaseHelper.WIDE_VIEWPORT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.WIDE_VIEWPORT)));
 562                 domainsContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES)));
 563                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)));
 564                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)));
 565                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)));
 566                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT,
 567                         importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)));
 568                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)));
 569                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)));
 570                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT,
 571                         importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)));
 572                 domainsContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
 573                 domainsContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
 574                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)));
 575                 domainsContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.IP_ADDRESSES)));
 576
 577                 // Insert the record into the export database.
 578                 domainsDatabaseHelper.addDomain(domainsContentValues);
 579
 580                 // Advance to the next record.
 581                 importDomainsCursor.moveToNext();
 582             }
 583
 584             // Close the domains cursor.
 585             importDomainsCursor.close();
 586
 587             // Close the domains database.
 588             domainsDatabaseHelper.close();
 589
 590
 591             // Get a cursor for the bookmarks table.
 592             Cursor importBookmarksCursor = importDatabase.rawQuery("SELECT * FROM " + BookmarksDatabaseHelper.BOOKMARKS_TABLE, null);
 593
 594             // Delete the current bookmarks database.
 595             context.deleteDatabase(BookmarksDatabaseHelper.BOOKMARKS_DATABASE);
 596
 597             // Create a new bookmarks database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
 598             BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(context, null, null, 0);
 599
 600             // Move to the first bookmark.
 601             importBookmarksCursor.moveToFirst();
 602
 603             // Copy the data from the import bookmarks cursor into the bookmarks database.
 604             for (int i = 0; i < importBookmarksCursor.getCount(); i++) {
 605                 // Extract the record from the cursor and store the data in a ContentValues.
 606                 ContentValues bookmarksContentValues = new ContentValues();
 607                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
 608                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
 609                 bookmarksContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
 610                 bookmarksContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)));
 611                 bookmarksContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)));
 612                 bookmarksContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, importBookmarksCursor.getBlob(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON)));
 613
 614                 // Insert the record into the export database.
 615                 bookmarksDatabaseHelper.createBookmark(bookmarksContentValues);
 616
 617                 // Advance to the next record.
 618                 importBookmarksCursor.moveToNext();
 619             }
 620
 621             // Close the bookmarks cursor.
 622             importBookmarksCursor.close();
 623
 624             // Close the bookmarks database.
 625             bookmarksDatabaseHelper.close();
 626
 627
 628             // Get a cursor for the bookmarks table.
 629             Cursor importPreferencesCursor = importDatabase.rawQuery("SELECT * FROM " + PREFERENCES_TABLE, null);
 630
 631             // Move to the first preference.
 632             importPreferencesCursor.moveToFirst();
 633
 634             // Import the preference data.
 635             sharedPreferences.edit()
 636                     .putBoolean(JAVASCRIPT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(JAVASCRIPT)) == 1)
 637                     .putBoolean(FIRST_PARTY_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FIRST_PARTY_COOKIES)) == 1)
 638                     .putBoolean(THIRD_PARTY_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(THIRD_PARTY_COOKIES)) == 1)
 639                     .putBoolean(DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DOM_STORAGE)) == 1)
 640                     // Save form data can be removed once the minimum API >= 26.
 641                     .putBoolean(SAVE_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SAVE_FORM_DATA)) == 1)
 642                     .putString(USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(USER_AGENT)))
 643                     .putString(CUSTOM_USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(CUSTOM_USER_AGENT)))
 644                     .putBoolean(INCOGNITO_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(INCOGNITO_MODE)) == 1)
 645                     .putBoolean(DO_NOT_TRACK, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DO_NOT_TRACK)) == 1)
 646                     .putBoolean(ALLOW_SCREENSHOTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ALLOW_SCREENSHOTS)) == 1)
 647                     .putBoolean(EASYLIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(EASYLIST)) == 1)
 648                     .putBoolean(EASYPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(EASYPRIVACY)) == 1)
 649                     .putBoolean(FANBOYS_ANNOYANCE_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FANBOYS_ANNOYANCE_LIST)) == 1)
 650                     .putBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FANBOYS_SOCIAL_BLOCKING_LIST)) == 1)
 651                     .putBoolean(ULTRALIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ULTRALIST)) == 1)
 652                     .putBoolean(ULTRAPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ULTRAPRIVACY)) == 1)
 653                     .putBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(BLOCK_ALL_THIRD_PARTY_REQUESTS)) == 1)
 654                     .putBoolean(GOOGLE_ANALYTICS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(GOOGLE_ANALYTICS)) == 1)
 655                     .putBoolean(FACEBOOK_CLICK_IDS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FACEBOOK_CLICK_IDS)) == 1)
 656                     .putBoolean(TWITTER_AMP_REDIRECTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(TWITTER_AMP_REDIRECTS)) == 1)
 657                     .putBoolean(PROXY_THROUGH_ORBOT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(PROXY_THROUGH_ORBOT)) == 1)
 658                     .putString(TOR_HOMEPAGE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(TOR_HOMEPAGE)))
 659                     .putString(TOR_SEARCH, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(TOR_SEARCH)))
 660                     .putString(TOR_SEARCH_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(TOR_SEARCH_CUSTOM_URL)))
 661                     .putString(SEARCH, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(SEARCH)))
 662                     .putString(SEARCH_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(SEARCH_CUSTOM_URL)))
 663                     .putBoolean(FULL_SCREEN_BROWSING_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FULL_SCREEN_BROWSING_MODE)) == 1)
 664                     .putBoolean(HIDE_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(HIDE_APP_BAR)) == 1)
 665                     .putBoolean(CLEAR_EVERYTHING, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_EVERYTHING)) == 1)
 666                     .putBoolean(CLEAR_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_COOKIES)) == 1)
 667                     .putBoolean(CLEAR_DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_DOM_STORAGE)) == 1)
 668                     // Clear form data can be removed once the minimum API >= 26.
 669                     .putBoolean(CLEAR_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_FORM_DATA)) == 1)
 670                     .putBoolean(CLEAR_CACHE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_CACHE)) == 1)
 671                     .putString(HOMEPAGE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(HOMEPAGE)))
 672                     .putString(FONT_SIZE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(FONT_SIZE)))
 673                     .putBoolean(OPEN_INTENTS_IN_NEW_TAB, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(OPEN_INTENTS_IN_NEW_TAB)) == 1)
 674                     .putBoolean(SWIPE_TO_REFRESH, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SWIPE_TO_REFRESH)) == 1)
 675                     .putBoolean(SCROLL_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SCROLL_APP_BAR)) == 1)
 676                     .putBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DISPLAY_ADDITIONAL_APP_BAR_ICONS)) == 1)
 677                     .putBoolean(DOWNLOAD_WITH_EXTERNAL_APP, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DOWNLOAD_WITH_EXTERNAL_APP)) == 1)
 678                     .putBoolean(DARK_THEME, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DARK_THEME)) == 1)
 679                     .putBoolean(NIGHT_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(NIGHT_MODE)) == 1)
 680                     .putBoolean(WIDE_VIEWPORT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(WIDE_VIEWPORT)) == 1)
 681                     .putBoolean(DISPLAY_WEBPAGE_IMAGES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DISPLAY_WEBPAGE_IMAGES)) == 1)
 682                     .apply();
 683
 684             // Close the preferences cursor.
 685             importPreferencesCursor.close();
 686
 687
 688             // Close the import database.
 689             importDatabase.close();
 690
 691             // Create strings for the temporary database files.
 692             String shmFileString = temporaryImportFileString + "-shm";
 693             String walFileString = temporaryImportFileString + "-wal";
 694             String journalFileString = temporaryImportFileString + "-journal";
 695
 696             // Get `Files` for the temporary database files.
 697             File shmFile = new File(shmFileString);
 698             File walFile = new File(walFileString);
 699             File journalFile = new File(journalFileString);
 700
 701             // Delete the Shared Memory file if it exists.
 702             if (shmFile.exists()) {
 703                 //noinspection ResultOfMethodCallIgnored
 704                 shmFile.delete();
 705             }
 706
 707             // Delete the Write Ahead Log file if it exists.
 708             if (walFile.exists()) {
 709                 //noinspection ResultOfMethodCallIgnored
 710                 walFile.delete();
 711             }
 712
 713             // Delete the Journal file if it exists.
 714             if (journalFile.exists()) {
 715                 //noinspection ResultOfMethodCallIgnored
 716                 journalFile.delete();
 717             }
 718
 719             // Delete the temporary import file.
 720             //noinspection ResultOfMethodCallIgnored
 721             temporaryImportFile.delete();
 722
 723             // Import successful.
 724             return IMPORT_SUCCESSFUL;
 725         } catch (Exception exception) {
 726             // Return the import error.
 727             return exception.toString();
 728         }
 729     }
 730 }