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

   1 /*
   2  * Copyright © 2018-2020 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.DatabaseUtils;
  27 import android.database.sqlite.SQLiteDatabase;
  28 import android.preference.PreferenceManager;
  29
  30 import com.stoutner.privacybrowser.R;
  31
  32 import java.io.File;
  33 import java.io.FileInputStream;
  34 import java.io.FileOutputStream;
  35 import java.io.InputStream;
  36 import java.io.OutputStream;
  37
  38 public class ImportExportDatabaseHelper {
  39     public static final String EXPORT_SUCCESSFUL = "Export Successful";
  40     public static final String IMPORT_SUCCESSFUL = "Import Successful";
  41
  42     private static final int SCHEMA_VERSION = 11;
  43     private static final String PREFERENCES_TABLE = "preferences";
  44
  45     // The preferences constants.
  46     private static final String _ID = "_id";
  47     private static final String JAVASCRIPT = "javascript";
  48     private static final String FIRST_PARTY_COOKIES = "first_party_cookies";
  49     private static final String THIRD_PARTY_COOKIES = "third_party_cookies";
  50     private static final String DOM_STORAGE = "dom_storage";
  51     private static final String SAVE_FORM_DATA = "save_form_data";
  52     private static final String USER_AGENT = "user_agent";
  53     private static final String CUSTOM_USER_AGENT = "custom_user_agent";
  54     private static final String INCOGNITO_MODE = "incognito_mode";
  55     private static final String DO_NOT_TRACK = "do_not_track";
  56     private static final String ALLOW_SCREENSHOTS = "allow_screenshots";
  57     private static final String EASYLIST = "easylist";
  58     private static final String EASYPRIVACY = "easyprivacy";
  59     private static final String FANBOYS_ANNOYANCE_LIST = "fanboys_annoyance_list";
  60     private static final String FANBOYS_SOCIAL_BLOCKING_LIST = "fanboys_social_blocking_list";
  61     private static final String ULTRALIST = "ultralist";
  62     private static final String ULTRAPRIVACY = "ultraprivacy";
  63     private static final String BLOCK_ALL_THIRD_PARTY_REQUESTS = "block_all_third_party_requests";
  64     private static final String GOOGLE_ANALYTICS = "google_analytics";
  65     private static final String FACEBOOK_CLICK_IDS = "facebook_click_ids";
  66     private static final String TWITTER_AMP_REDIRECTS = "twitter_amp_redirects";
  67     private static final String SEARCH = "search";
  68     private static final String SEARCH_CUSTOM_URL = "search_custom_url";
  69     private static final String PROXY = "proxy";
  70     private static final String PROXY_CUSTOM_URL = "proxy_custom_url";
  71     private static final String FULL_SCREEN_BROWSING_MODE = "full_screen_browsing_mode";
  72     private static final String HIDE_APP_BAR = "hide_app_bar";
  73     private static final String CLEAR_EVERYTHING = "clear_everything";
  74     private static final String CLEAR_COOKIES = "clear_cookies";
  75     private static final String CLEAR_DOM_STORAGE = "clear_dom_storage";
  76     private static final String CLEAR_FORM_DATA = "clear_form_data";
  77     private static final String CLEAR_CACHE = "clear_cache";
  78     private static final String HOMEPAGE = "homepage";
  79     private static final String DOWNLOAD_LOCATION = "download_location";
  80     private static final String DOWNLOAD_CUSTOM_LOCATION = "download_custom_location";
  81     private static final String FONT_SIZE = "font_size";
  82     private static final String OPEN_INTENTS_IN_NEW_TAB = "open_intents_in_new_tab";
  83     private static final String SWIPE_TO_REFRESH = "swipe_to_refresh";
  84     private static final String SCROLL_APP_BAR = "scroll_app_bar";
  85     private static final String DISPLAY_ADDITIONAL_APP_BAR_ICONS = "display_additional_app_bar_icons";
  86     private static final String APP_THEME = "app_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                     SEARCH + " TEXT, " +
 223                     SEARCH_CUSTOM_URL + " TEXT, " +
 224                     PROXY + " TEXT, " +
 225                     PROXY_CUSTOM_URL + " TEXT, " +
 226                     FULL_SCREEN_BROWSING_MODE + " BOOLEAN, " +
 227                     HIDE_APP_BAR + " BOOLEAN, " +
 228                     CLEAR_EVERYTHING + " BOOLEAN, " +
 229                     CLEAR_COOKIES + " BOOLEAN, " +
 230                     CLEAR_DOM_STORAGE + " BOOLEAN, " +
 231                     CLEAR_FORM_DATA + " BOOLEAN, " +
 232                     CLEAR_CACHE + " BOOLEAN, " +
 233                     HOMEPAGE + " TEXT, " +
 234                     DOWNLOAD_LOCATION + " TEXT, " +
 235                     DOWNLOAD_CUSTOM_LOCATION + " 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                     APP_THEME + " TEXT, " +
 242                     NIGHT_MODE + " BOOLEAN, " +
 243                     WIDE_VIEWPORT + " BOOLEAN, " +
 244                     DISPLAY_WEBPAGE_IMAGES + " BOOLEAN)";
 245
 246             // Create the export database preferences table.
 247             exportDatabase.execSQL(CREATE_PREFERENCES_TABLE);
 248
 249             // Get a handle for the shared preference.
 250             SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 251
 252             // Create a ContentValues with the preferences information.
 253             ContentValues preferencesContentValues = new ContentValues();
 254             preferencesContentValues.put(JAVASCRIPT, sharedPreferences.getBoolean(JAVASCRIPT, false));
 255             preferencesContentValues.put(FIRST_PARTY_COOKIES, sharedPreferences.getBoolean(FIRST_PARTY_COOKIES, false));
 256             preferencesContentValues.put(THIRD_PARTY_COOKIES, sharedPreferences.getBoolean(THIRD_PARTY_COOKIES, false));
 257             preferencesContentValues.put(DOM_STORAGE, sharedPreferences.getBoolean(DOM_STORAGE, false));
 258             preferencesContentValues.put(SAVE_FORM_DATA, sharedPreferences.getBoolean(SAVE_FORM_DATA, false));  // Save form data can be removed once the minimum API >= 26.
 259             preferencesContentValues.put(USER_AGENT, sharedPreferences.getString(USER_AGENT, context.getString(R.string.user_agent_default_value)));
 260             preferencesContentValues.put(CUSTOM_USER_AGENT, sharedPreferences.getString(CUSTOM_USER_AGENT, context.getString(R.string.custom_user_agent_default_value)));
 261             preferencesContentValues.put(INCOGNITO_MODE, sharedPreferences.getBoolean(INCOGNITO_MODE, false));
 262             preferencesContentValues.put(DO_NOT_TRACK, sharedPreferences.getBoolean(DO_NOT_TRACK, false));
 263             preferencesContentValues.put(ALLOW_SCREENSHOTS, sharedPreferences.getBoolean(ALLOW_SCREENSHOTS, false));
 264             preferencesContentValues.put(EASYLIST, sharedPreferences.getBoolean(EASYLIST, true));
 265             preferencesContentValues.put(EASYPRIVACY, sharedPreferences.getBoolean(EASYPRIVACY, true));
 266             preferencesContentValues.put(FANBOYS_ANNOYANCE_LIST, sharedPreferences.getBoolean(FANBOYS_ANNOYANCE_LIST, true));
 267             preferencesContentValues.put(FANBOYS_SOCIAL_BLOCKING_LIST, sharedPreferences.getBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, true));
 268             preferencesContentValues.put(ULTRALIST, sharedPreferences.getBoolean(ULTRALIST, true));
 269             preferencesContentValues.put(ULTRAPRIVACY, sharedPreferences.getBoolean(ULTRAPRIVACY, true));
 270             preferencesContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, sharedPreferences.getBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, false));
 271             preferencesContentValues.put(GOOGLE_ANALYTICS, sharedPreferences.getBoolean(GOOGLE_ANALYTICS, true));
 272             preferencesContentValues.put(FACEBOOK_CLICK_IDS, sharedPreferences.getBoolean(FACEBOOK_CLICK_IDS, true));
 273             preferencesContentValues.put(TWITTER_AMP_REDIRECTS, sharedPreferences.getBoolean(TWITTER_AMP_REDIRECTS, true));
 274             preferencesContentValues.put(SEARCH, sharedPreferences.getString(SEARCH, context.getString(R.string.search_default_value)));
 275             preferencesContentValues.put(SEARCH_CUSTOM_URL, sharedPreferences.getString(SEARCH_CUSTOM_URL, context.getString(R.string.search_custom_url_default_value)));
 276             preferencesContentValues.put(PROXY, sharedPreferences.getString(PROXY, context.getString(R.string.proxy_default_value)));
 277             preferencesContentValues.put(PROXY_CUSTOM_URL, sharedPreferences.getString(PROXY_CUSTOM_URL, context.getString(R.string.proxy_custom_url_default_value)));
 278             preferencesContentValues.put(FULL_SCREEN_BROWSING_MODE, sharedPreferences.getBoolean(FULL_SCREEN_BROWSING_MODE, false));
 279             preferencesContentValues.put(HIDE_APP_BAR, sharedPreferences.getBoolean(HIDE_APP_BAR, true));
 280             preferencesContentValues.put(CLEAR_EVERYTHING, sharedPreferences.getBoolean(CLEAR_EVERYTHING, true));
 281             preferencesContentValues.put(CLEAR_COOKIES, sharedPreferences.getBoolean(CLEAR_COOKIES, true));
 282             preferencesContentValues.put(CLEAR_DOM_STORAGE, sharedPreferences.getBoolean(CLEAR_DOM_STORAGE, true));
 283             preferencesContentValues.put(CLEAR_FORM_DATA, sharedPreferences.getBoolean(CLEAR_FORM_DATA, true));  // Clear form data can be removed once the minimum API >= 26.
 284             preferencesContentValues.put(CLEAR_CACHE, sharedPreferences.getBoolean(CLEAR_CACHE, true));
 285             preferencesContentValues.put(HOMEPAGE, sharedPreferences.getString(HOMEPAGE, context.getString(R.string.homepage_default_value)));
 286             preferencesContentValues.put(DOWNLOAD_LOCATION, sharedPreferences.getString(DOWNLOAD_LOCATION, context.getString(R.string.download_location_default_value)));
 287             preferencesContentValues.put(DOWNLOAD_CUSTOM_LOCATION, sharedPreferences.getString(DOWNLOAD_CUSTOM_LOCATION, context.getString(R.string.download_custom_location_default_value)));
 288             preferencesContentValues.put(FONT_SIZE, sharedPreferences.getString(FONT_SIZE, context.getString(R.string.font_size_default_value)));
 289             preferencesContentValues.put(OPEN_INTENTS_IN_NEW_TAB, sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true));
 290             preferencesContentValues.put(SWIPE_TO_REFRESH, sharedPreferences.getBoolean(SWIPE_TO_REFRESH, true));
 291             preferencesContentValues.put(SCROLL_APP_BAR, sharedPreferences.getBoolean(SCROLL_APP_BAR, true));
 292             preferencesContentValues.put(DISPLAY_ADDITIONAL_APP_BAR_ICONS, sharedPreferences.getBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, false));
 293             preferencesContentValues.put(APP_THEME, sharedPreferences.getString(APP_THEME, context.getString(R.string.app_theme_default_value)));
 294             preferencesContentValues.put(NIGHT_MODE, sharedPreferences.getBoolean(NIGHT_MODE, false));
 295             preferencesContentValues.put(WIDE_VIEWPORT, sharedPreferences.getBoolean(WIDE_VIEWPORT, true));
 296             preferencesContentValues.put(DISPLAY_WEBPAGE_IMAGES, sharedPreferences.getBoolean(DISPLAY_WEBPAGE_IMAGES, true));
 297
 298             // Insert the preferences into the export database.
 299             exportDatabase.insert(PREFERENCES_TABLE, null, preferencesContentValues);
 300
 301             // Close the export database.
 302             exportDatabase.close();
 303
 304             // Convert the database file to a string.
 305             String exportFileString = exportFile.toString();
 306
 307             // Create strings for the temporary database files.
 308             String journalFileString = exportFileString + "-journal";
 309
 310             // Get `Files` for the temporary database files.
 311             File journalFile = new File(journalFileString);
 312
 313             // Delete the Journal file if it exists.
 314             if (journalFile.exists()) {
 315                 //noinspection ResultOfMethodCallIgnored
 316                 journalFile.delete();
 317             }
 318
 319             // Export successful.
 320             return EXPORT_SUCCESSFUL;
 321         } catch (Exception exception) {
 322             // Return the export error.
 323             return exception.toString();
 324         }
 325     }
 326
 327     public String importUnencrypted(File importFile, Context context){
 328         try {
 329             // Create a temporary import file string.
 330             String temporaryImportFileString = context.getCacheDir() + "/" + "temporary_import_file";
 331
 332             // Get a handle for a temporary import file.
 333             File temporaryImportFile = new File(temporaryImportFileString);
 334
 335             // Delete the temporary import file if it already exists.
 336             if (temporaryImportFile.exists()) {
 337                 //noinspection ResultOfMethodCallIgnored
 338                 temporaryImportFile.delete();
 339             }
 340
 341             // Create input and output streams.
 342             InputStream importFileInputStream = new FileInputStream(importFile);
 343             OutputStream temporaryImportFileOutputStream = new FileOutputStream(temporaryImportFile);
 344
 345             // Create a byte array.
 346             byte[] transferByteArray = new byte[1024];
 347
 348             // Create an integer to track the number of bytes read.
 349             int bytesRead;
 350
 351             // Copy the import file to the temporary import file.  Once the minimum API >= 26 `Files.copy` can be used instead.
 352             while ((bytesRead = importFileInputStream.read(transferByteArray)) > 0) {
 353                 temporaryImportFileOutputStream.write(transferByteArray, 0, bytesRead);
 354             }
 355
 356             // Close the file streams.
 357             importFileInputStream.close();
 358             temporaryImportFileOutputStream.close();
 359
 360
 361             // Get a handle for the shared preference.
 362             SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 363
 364             // Open the import database.  Once the minimum API >= 27 the file can be opened directly without using the string.
 365             SQLiteDatabase importDatabase = SQLiteDatabase.openDatabase(temporaryImportFileString, null, SQLiteDatabase.OPEN_READWRITE);
 366
 367             // Get the database version.
 368             int importDatabaseVersion = importDatabase.getVersion();
 369
 370             // Upgrade the database if needed.
 371             if (importDatabaseVersion < SCHEMA_VERSION) {
 372                 switch (importDatabaseVersion){
 373                     // Upgrade from schema version 1.
 374                     case 1:
 375                         // Previously this upgrade added `download_with_external_app` to the Preferences table.  But that is now removed in schema version 10.
 376
 377                     // Upgrade from schema version 2.
 378                     case 2:
 379                         // 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
 380                         // https://developer.android.com/reference/android/database/sqlite/package-summary
 381                         // 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.
 382
 383                         // Get a cursor with the current `default_font_size` value.
 384                         Cursor importDatabasePreferenceCursor = importDatabase.rawQuery("SELECT default_font_size FROM " + PREFERENCES_TABLE, null);
 385
 386                         // Move to the beginning fo the cursor.
 387                         importDatabasePreferenceCursor.moveToFirst();
 388
 389                         // Get the current value in `default_font_size`.
 390                         String fontSize = importDatabasePreferenceCursor.getString(importDatabasePreferenceCursor.getColumnIndex("default_font_size"));
 391
 392                         // SQL escape the font size.
 393                         fontSize = DatabaseUtils.sqlEscapeString(fontSize);
 394
 395                         // Close the cursor.
 396                         importDatabasePreferenceCursor.close();
 397
 398                         // Create the new font size column.
 399                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + FONT_SIZE + " TEXT");
 400
 401                         // Populate the preferences table with the current font size value.
 402                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FONT_SIZE + " = '" + fontSize + "'");
 403
 404                     // Upgrade from schema version 3.
 405                     case 3:
 406                         // Add the Pinned IP Addresses columns to the domains table.
 407                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.PINNED_IP_ADDRESSES + " BOOLEAN");
 408                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.IP_ADDRESSES + " TEXT");
 409
 410                     // Upgrade from schema version 4.
 411                     case 4:
 412                         // Add the hide and scroll app bar columns to the preferences table.
 413                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + HIDE_APP_BAR + " BOOLEAN");
 414                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + SCROLL_APP_BAR + " BOOLEAN");
 415
 416                         // Get the current hide and scroll app bar settings.
 417                         boolean hideAppBar = sharedPreferences.getBoolean(HIDE_APP_BAR, true);
 418                         boolean scrollAppBar = sharedPreferences.getBoolean(SCROLL_APP_BAR, true);
 419
 420                         // Populate the preferences table with the current app bar values.
 421                         if (hideAppBar) {
 422                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + HIDE_APP_BAR + " = " + 1);
 423                         } else {
 424                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + HIDE_APP_BAR + " = " + 0);
 425                         }
 426
 427                         if (scrollAppBar) {
 428                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + SCROLL_APP_BAR + " = " + 1);
 429                         } else {
 430                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + SCROLL_APP_BAR + " = " + 0);
 431                         }
 432
 433                     // Upgrade from schema version 5.
 434                     case 5:
 435                         // Add the open intents in new tab column to the preferences table.
 436                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + OPEN_INTENTS_IN_NEW_TAB + " BOOLEAN");
 437
 438                         // Get the current open intents in new tab preference.
 439                         boolean openIntentsInNewTab = sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true);
 440
 441                         // Populate the preferences table with the current open intents value.
 442                         if (openIntentsInNewTab) {
 443                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + OPEN_INTENTS_IN_NEW_TAB + " = " + 1);
 444                         } else {
 445                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + OPEN_INTENTS_IN_NEW_TAB + " = " + 0);
 446                         }
 447
 448                     // Upgrade from schema version 6.
 449                     case 6:
 450                         // Add the wide viewport column to the domains table.
 451                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.WIDE_VIEWPORT + " INTEGER");
 452
 453                         // Add the Google Analytics, Facebook Click IDs, Twitter AMP redirects, and wide viewport columns to the preferences table.
 454                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + GOOGLE_ANALYTICS + " BOOLEAN");
 455                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + FACEBOOK_CLICK_IDS + " BOOLEAN");
 456                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + TWITTER_AMP_REDIRECTS + " BOOLEAN");
 457                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + WIDE_VIEWPORT + " BOOLEAN");
 458
 459                         // Get the current preference values.
 460                         boolean googleAnalytics = sharedPreferences.getBoolean(GOOGLE_ANALYTICS, true);
 461                         boolean facebookClickIds = sharedPreferences.getBoolean(FACEBOOK_CLICK_IDS, true);
 462                         boolean twitterAmpRedirects = sharedPreferences.getBoolean(TWITTER_AMP_REDIRECTS, true);
 463                         boolean wideViewport = sharedPreferences.getBoolean(WIDE_VIEWPORT, true);
 464
 465                         // Populate the preferences with the current Google Analytics value.
 466                         if (googleAnalytics) {
 467                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + GOOGLE_ANALYTICS + " = " + 1);
 468                         } else {
 469                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + GOOGLE_ANALYTICS + " = " + 0);
 470                         }
 471
 472                         // Populate the preferences with the current Facebook Click IDs value.
 473                         if (facebookClickIds) {
 474                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FACEBOOK_CLICK_IDS + " = " + 1);
 475                         } else {
 476                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FACEBOOK_CLICK_IDS + " = " + 0);
 477                         }
 478
 479                         // Populate the preferences table with the current Twitter AMP redirects value.
 480                         if (twitterAmpRedirects) {
 481                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + TWITTER_AMP_REDIRECTS + " = " + 1);
 482                         } else {
 483                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + TWITTER_AMP_REDIRECTS + " = " + 0);
 484                         }
 485
 486                         // Populate the preferences table with the current wide viewport value.
 487                         if (wideViewport) {
 488                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + WIDE_VIEWPORT + " = " + 1);
 489                         } else {
 490                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + WIDE_VIEWPORT + " = " + 0);
 491                         }
 492
 493                     // Upgrade from schema version 7.
 494                     case 7:
 495                         // Add the UltraList column to the domains table.
 496                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.ULTRALIST + " BOOLEAN");
 497
 498                         // Add the UltraList column to the preferences table.
 499                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + ULTRALIST + " BOOLEAN");
 500
 501                         // Get the current preference values.
 502                         boolean ultraList = sharedPreferences.getBoolean(ULTRALIST, true);
 503
 504                         // Populate the preferences tables with the current UltraList value.
 505                         if (ultraList) {
 506                             importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.ULTRALIST + " = " + 1);
 507                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + ULTRALIST + " = " + 1);
 508                         } else {
 509                             importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.ULTRALIST + " = " + 0);
 510                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + ULTRALIST + " = " + 0);
 511                         }
 512
 513                     // Upgrade from schema version 8.
 514                     case 8:
 515                         // Add the new proxy columns to the preferences table.
 516                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + PROXY + " TEXT");
 517                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + PROXY_CUSTOM_URL + " TEXT");
 518
 519                         // Get the current proxy values.
 520                         String proxy = sharedPreferences.getString(PROXY, context.getString(R.string.proxy_default_value));
 521                         String proxyCustomUrl = sharedPreferences.getString(PROXY_CUSTOM_URL, context.getString(R.string.proxy_custom_url_default_value));
 522
 523                         // SQL escape the proxy custom URL string.
 524                         proxyCustomUrl = DatabaseUtils.sqlEscapeString(proxyCustomUrl);
 525
 526                         // Populate the preferences table with the current proxy values.
 527                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + PROXY + " = '" + proxy + "'");
 528                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + PROXY_CUSTOM_URL + " = '" + proxyCustomUrl + "'");
 529
 530                     // Upgrade from schema version 9.
 531                     case 9:
 532                         // Add the download location columns to the preferences table.
 533                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + DOWNLOAD_LOCATION + " TEXT");
 534                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + DOWNLOAD_CUSTOM_LOCATION + " TEXT");
 535
 536                         // Get the current download location values.
 537                         String downloadLocation = sharedPreferences.getString(DOWNLOAD_LOCATION, context.getString(R.string.download_location_default_value));
 538                         String downloadCustomLocation = sharedPreferences.getString(DOWNLOAD_CUSTOM_LOCATION, context.getString(R.string.download_custom_location_default_value));
 539
 540                         // Populate the preferences table with the current download location values.
 541                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + DOWNLOAD_LOCATION + " = '" + downloadLocation + "'");
 542                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + DOWNLOAD_CUSTOM_LOCATION + " = '" + downloadCustomLocation + "'");
 543
 544                     // Upgrade from schema version 10.
 545                     case 10:
 546                         // Add the app theme column to the preferences table.
 547                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + APP_THEME + " TEXT");
 548
 549                         // Get a cursor for the dark theme preference.
 550                         Cursor darkThemePreferencesCursor = importDatabase.rawQuery("SELECT dark_theme FROM " + PREFERENCES_TABLE, null);
 551
 552                         // Move to the first preference.
 553                         darkThemePreferencesCursor.moveToFirst();
 554
 555                         // Get the old dark theme value, which is in column 0.
 556                         int darkTheme = darkThemePreferencesCursor.getInt(0);
 557
 558                         // Close the dark theme preference cursor.
 559                         darkThemePreferencesCursor.close();
 560
 561                         // Populate the app theme according to the old dark theme preference.
 562                         if (darkTheme == 0) {  // A light theme was selected.
 563                             // Set the app theme to be the system default.
 564                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + APP_THEME + " = 'System default'");
 565                         } else {  // A dark theme was selected.
 566                             // Set the app theme to be dark.
 567                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + APP_THEME + " = 'Dark'");
 568                         }
 569                 }
 570             }
 571
 572             // Get a cursor for the domains table.
 573             Cursor importDomainsCursor = importDatabase.rawQuery("SELECT * FROM " + DomainsDatabaseHelper.DOMAINS_TABLE + " ORDER BY " + DomainsDatabaseHelper.DOMAIN_NAME + " ASC", null);
 574
 575             // Delete the current domains database.
 576             context.deleteDatabase(DomainsDatabaseHelper.DOMAINS_DATABASE);
 577
 578             // Create a new domains database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
 579             DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0);
 580
 581             // Move to the first domain.
 582             importDomainsCursor.moveToFirst();
 583
 584             // Copy the data from the import domains cursor into the domains database.
 585             for (int i = 0; i < importDomainsCursor.getCount(); i++) {
 586                 // Extract the record from the cursor and store the data in a ContentValues.
 587                 ContentValues domainsContentValues = new ContentValues();
 588                 domainsContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)));
 589                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)));
 590                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)));
 591                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)));
 592                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)));
 593                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)));
 594                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)));
 595                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)));
 596                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST,
 597                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)));
 598                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST,
 599                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)));
 600                 domainsContentValues.put(DomainsDatabaseHelper.ULTRALIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ULTRALIST)));
 601                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)));
 602                 domainsContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS,
 603                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)));
 604                 domainsContentValues.put(DomainsDatabaseHelper.USER_AGENT, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
 605                 domainsContentValues.put(DomainsDatabaseHelper.FONT_SIZE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
 606                 domainsContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SWIPE_TO_REFRESH)));
 607                 domainsContentValues.put(DomainsDatabaseHelper.NIGHT_MODE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.NIGHT_MODE)));
 608                 domainsContentValues.put(DomainsDatabaseHelper.WIDE_VIEWPORT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.WIDE_VIEWPORT)));
 609                 domainsContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES)));
 610                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)));
 611                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)));
 612                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)));
 613                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT,
 614                         importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)));
 615                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)));
 616                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)));
 617                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT,
 618                         importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)));
 619                 domainsContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
 620                 domainsContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
 621                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)));
 622                 domainsContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.IP_ADDRESSES)));
 623
 624                 // Insert the record into the export database.
 625                 domainsDatabaseHelper.addDomain(domainsContentValues);
 626
 627                 // Advance to the next record.
 628                 importDomainsCursor.moveToNext();
 629             }
 630
 631             // Close the domains cursor.
 632             importDomainsCursor.close();
 633
 634             // Close the domains database.
 635             domainsDatabaseHelper.close();
 636
 637
 638             // Get a cursor for the bookmarks table.
 639             Cursor importBookmarksCursor = importDatabase.rawQuery("SELECT * FROM " + BookmarksDatabaseHelper.BOOKMARKS_TABLE, null);
 640
 641             // Delete the current bookmarks database.
 642             context.deleteDatabase(BookmarksDatabaseHelper.BOOKMARKS_DATABASE);
 643
 644             // Create a new bookmarks database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
 645             BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(context, null, null, 0);
 646
 647             // Move to the first bookmark.
 648             importBookmarksCursor.moveToFirst();
 649
 650             // Copy the data from the import bookmarks cursor into the bookmarks database.
 651             for (int i = 0; i < importBookmarksCursor.getCount(); i++) {
 652                 // Extract the record from the cursor and store the data in a ContentValues.
 653                 ContentValues bookmarksContentValues = new ContentValues();
 654                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
 655                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
 656                 bookmarksContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
 657                 bookmarksContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)));
 658                 bookmarksContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)));
 659                 bookmarksContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, importBookmarksCursor.getBlob(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON)));
 660
 661                 // Insert the record into the export database.
 662                 bookmarksDatabaseHelper.createBookmark(bookmarksContentValues);
 663
 664                 // Advance to the next record.
 665                 importBookmarksCursor.moveToNext();
 666             }
 667
 668             // Close the bookmarks cursor.
 669             importBookmarksCursor.close();
 670
 671             // Close the bookmarks database.
 672             bookmarksDatabaseHelper.close();
 673
 674
 675             // Get a cursor for the preferences table.
 676             Cursor importPreferencesCursor = importDatabase.rawQuery("SELECT * FROM " + PREFERENCES_TABLE, null);
 677
 678             // Move to the first preference.
 679             importPreferencesCursor.moveToFirst();
 680
 681             // Import the preference data.
 682             sharedPreferences.edit()
 683                     .putBoolean(JAVASCRIPT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(JAVASCRIPT)) == 1)
 684                     .putBoolean(FIRST_PARTY_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FIRST_PARTY_COOKIES)) == 1)
 685                     .putBoolean(THIRD_PARTY_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(THIRD_PARTY_COOKIES)) == 1)
 686                     .putBoolean(DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DOM_STORAGE)) == 1)
 687                     // Save form data can be removed once the minimum API >= 26.
 688                     .putBoolean(SAVE_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SAVE_FORM_DATA)) == 1)
 689                     .putString(USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(USER_AGENT)))
 690                     .putString(CUSTOM_USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(CUSTOM_USER_AGENT)))
 691                     .putBoolean(INCOGNITO_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(INCOGNITO_MODE)) == 1)
 692                     .putBoolean(DO_NOT_TRACK, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DO_NOT_TRACK)) == 1)
 693                     .putBoolean(ALLOW_SCREENSHOTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ALLOW_SCREENSHOTS)) == 1)
 694                     .putBoolean(EASYLIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(EASYLIST)) == 1)
 695                     .putBoolean(EASYPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(EASYPRIVACY)) == 1)
 696                     .putBoolean(FANBOYS_ANNOYANCE_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FANBOYS_ANNOYANCE_LIST)) == 1)
 697                     .putBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FANBOYS_SOCIAL_BLOCKING_LIST)) == 1)
 698                     .putBoolean(ULTRALIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ULTRALIST)) == 1)
 699                     .putBoolean(ULTRAPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ULTRAPRIVACY)) == 1)
 700                     .putBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(BLOCK_ALL_THIRD_PARTY_REQUESTS)) == 1)
 701                     .putBoolean(GOOGLE_ANALYTICS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(GOOGLE_ANALYTICS)) == 1)
 702                     .putBoolean(FACEBOOK_CLICK_IDS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FACEBOOK_CLICK_IDS)) == 1)
 703                     .putBoolean(TWITTER_AMP_REDIRECTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(TWITTER_AMP_REDIRECTS)) == 1)
 704                     .putString(SEARCH, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(SEARCH)))
 705                     .putString(SEARCH_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(SEARCH_CUSTOM_URL)))
 706                     .putString(PROXY, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(PROXY)))
 707                     .putString(PROXY_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(PROXY_CUSTOM_URL)))
 708                     .putBoolean(FULL_SCREEN_BROWSING_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FULL_SCREEN_BROWSING_MODE)) == 1)
 709                     .putBoolean(HIDE_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(HIDE_APP_BAR)) == 1)
 710                     .putBoolean(CLEAR_EVERYTHING, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_EVERYTHING)) == 1)
 711                     .putBoolean(CLEAR_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_COOKIES)) == 1)
 712                     .putBoolean(CLEAR_DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_DOM_STORAGE)) == 1)
 713                     // Clear form data can be removed once the minimum API >= 26.
 714                     .putBoolean(CLEAR_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_FORM_DATA)) == 1)
 715                     .putBoolean(CLEAR_CACHE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_CACHE)) == 1)
 716                     .putString(HOMEPAGE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(HOMEPAGE)))
 717                     .putString(DOWNLOAD_LOCATION, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(DOWNLOAD_LOCATION)))
 718                     .putString(DOWNLOAD_CUSTOM_LOCATION, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(DOWNLOAD_CUSTOM_LOCATION)))
 719                     .putString(FONT_SIZE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(FONT_SIZE)))
 720                     .putBoolean(OPEN_INTENTS_IN_NEW_TAB, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(OPEN_INTENTS_IN_NEW_TAB)) == 1)
 721                     .putBoolean(SWIPE_TO_REFRESH, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SWIPE_TO_REFRESH)) == 1)
 722                     .putBoolean(SCROLL_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SCROLL_APP_BAR)) == 1)
 723                     .putBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DISPLAY_ADDITIONAL_APP_BAR_ICONS)) == 1)
 724                     .putString(APP_THEME, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(APP_THEME)))
 725                     .putBoolean(NIGHT_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(NIGHT_MODE)) == 1)
 726                     .putBoolean(WIDE_VIEWPORT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(WIDE_VIEWPORT)) == 1)
 727                     .putBoolean(DISPLAY_WEBPAGE_IMAGES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DISPLAY_WEBPAGE_IMAGES)) == 1)
 728                     .apply();
 729
 730             // Close the preferences cursor.
 731             importPreferencesCursor.close();
 732
 733
 734             // Close the import database.
 735             importDatabase.close();
 736
 737             // Create strings for the temporary database files.
 738             String shmFileString = temporaryImportFileString + "-shm";
 739             String walFileString = temporaryImportFileString + "-wal";
 740             String journalFileString = temporaryImportFileString + "-journal";
 741
 742             // Get `Files` for the temporary database files.
 743             File shmFile = new File(shmFileString);
 744             File walFile = new File(walFileString);
 745             File journalFile = new File(journalFileString);
 746
 747             // Delete the Shared Memory file if it exists.
 748             if (shmFile.exists()) {
 749                 //noinspection ResultOfMethodCallIgnored
 750                 shmFile.delete();
 751             }
 752
 753             // Delete the Write Ahead Log file if it exists.
 754             if (walFile.exists()) {
 755                 //noinspection ResultOfMethodCallIgnored
 756                 walFile.delete();
 757             }
 758
 759             // Delete the Journal file if it exists.
 760             if (journalFile.exists()) {
 761                 //noinspection ResultOfMethodCallIgnored
 762                 journalFile.delete();
 763             }
 764
 765             // Delete the temporary import file.
 766             //noinspection ResultOfMethodCallIgnored
 767             temporaryImportFile.delete();
 768
 769             // Import successful.
 770             return IMPORT_SUCCESSFUL;
 771         } catch (Exception exception) {
 772             // Return the import error.
 773             return exception.toString();
 774         }
 775     }
 776 }