privacybrowser/helpers/ImportExportDatabaseHelper.java

   1 /*
   2  * Copyright © 2018-2021 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     // Declare the public constants.
  40     public static final String EXPORT_SUCCESSFUL = "Export Successful";
  41     public static final String IMPORT_SUCCESSFUL = "Import Successful";
  42
  43     // Declare the class constants.
  44     private static final int SCHEMA_VERSION = 14;
  45     private static final String PREFERENCES_TABLE = "preferences";
  46
  47     // Declare the preferences constants.
  48     private static final String _ID = "_id";
  49     private static final String JAVASCRIPT = "javascript";
  50     private static final String FIRST_PARTY_COOKIES = "first_party_cookies";
  51     private static final String THIRD_PARTY_COOKIES = "third_party_cookies";
  52     private static final String DOM_STORAGE = "dom_storage";
  53     private static final String SAVE_FORM_DATA = "save_form_data";
  54     private static final String USER_AGENT = "user_agent";
  55     private static final String CUSTOM_USER_AGENT = "custom_user_agent";
  56     private static final String INCOGNITO_MODE = "incognito_mode";
  57     private static final String ALLOW_SCREENSHOTS = "allow_screenshots";
  58     private static final String EASYLIST = "easylist";
  59     private static final String EASYPRIVACY = "easyprivacy";
  60     private static final String FANBOYS_ANNOYANCE_LIST = "fanboys_annoyance_list";
  61     private static final String FANBOYS_SOCIAL_BLOCKING_LIST = "fanboys_social_blocking_list";
  62     private static final String ULTRALIST = "ultralist";
  63     private static final String ULTRAPRIVACY = "ultraprivacy";
  64     private static final String BLOCK_ALL_THIRD_PARTY_REQUESTS = "block_all_third_party_requests";
  65     private static final String GOOGLE_ANALYTICS = "google_analytics";
  66     private static final String FACEBOOK_CLICK_IDS = "facebook_click_ids";
  67     private static final String TWITTER_AMP_REDIRECTS = "twitter_amp_redirects";
  68     private static final String SEARCH = "search";
  69     private static final String SEARCH_CUSTOM_URL = "search_custom_url";
  70     private static final String PROXY = "proxy";
  71     private static final String PROXY_CUSTOM_URL = "proxy_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_LOGCAT = "clear_logcat";
  79     private static final String CLEAR_CACHE = "clear_cache";
  80     private static final String HOMEPAGE = "homepage";
  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 WEBVIEW_THEME = "webview_theme";
  88     private static final String WIDE_VIEWPORT = "wide_viewport";
  89     private static final String DISPLAY_WEBPAGE_IMAGES = "display_webpage_images";
  90
  91     public String importUnencrypted(InputStream importFileInputStream, Context context){
  92         try {
  93             // Create a temporary import file.
  94             File temporaryImportFile = File.createTempFile("temporary_import_file", null, context.getCacheDir());
  95
  96             // Create a temporary file output stream.
  97             FileOutputStream temporaryImportFileOutputStream = new FileOutputStream(temporaryImportFile);
  98
  99             // Create a transfer byte array.
 100             byte[] transferByteArray = new byte[1024];
 101
 102             // Create an integer to track the number of bytes read.
 103             int bytesRead;
 104
 105             // Copy the import file to the temporary import file.
 106             while ((bytesRead = importFileInputStream.read(transferByteArray)) > 0) {
 107                 temporaryImportFileOutputStream.write(transferByteArray, 0, bytesRead);
 108             }
 109
 110             // Flush the temporary import file output stream.
 111             temporaryImportFileOutputStream.flush();
 112
 113             // Close the file streams.
 114             importFileInputStream.close();
 115             temporaryImportFileOutputStream.close();
 116
 117
 118             // Get a handle for the shared preference.
 119             SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 120
 121             // Open the import database.  Once the minimum API >= 27 the file can be opened directly without using the string.
 122             SQLiteDatabase importDatabase = SQLiteDatabase.openDatabase(temporaryImportFile.toString(), null, SQLiteDatabase.OPEN_READWRITE);
 123
 124             // Get the database version.
 125             int importDatabaseVersion = importDatabase.getVersion();
 126
 127             // Upgrade the database if needed.
 128             if (importDatabaseVersion < SCHEMA_VERSION) {
 129                 switch (importDatabaseVersion) {
 130                     // Upgrade from schema version 1, Privacy Browser 2.13.
 131                     case 1:
 132                         // Previously this upgrade added `download_with_external_app` to the Preferences table.  But that is now removed in schema version 10.
 133
 134                     // Upgrade from schema version 2, Privacy Browser 2.14.
 135                     case 2:
 136                         // 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
 137                         // https://developer.android.com/reference/android/database/sqlite/package-summary
 138                         // 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.
 139
 140                         // Get a cursor with the current `default_font_size` value.
 141                         Cursor importDatabasePreferenceCursor = importDatabase.rawQuery("SELECT default_font_size FROM " + PREFERENCES_TABLE, null);
 142
 143                         // Move to the beginning fo the cursor.
 144                         importDatabasePreferenceCursor.moveToFirst();
 145
 146                         // Get the current value in `default_font_size`.
 147                         String fontSize = importDatabasePreferenceCursor.getString(importDatabasePreferenceCursor.getColumnIndex("default_font_size"));
 148
 149                         // SQL escape the font size.
 150                         fontSize = DatabaseUtils.sqlEscapeString(fontSize);
 151
 152                         // Close the cursor.
 153                         importDatabasePreferenceCursor.close();
 154
 155                         // Create the new font size column.
 156                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + FONT_SIZE + " TEXT");
 157
 158                         // Populate the preferences table with the current font size value.
 159                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FONT_SIZE + " = '" + fontSize + "'");
 160
 161                     // Upgrade from schema version 3, Privacy Browser 2.15.
 162                     case 3:
 163                         // Add the Pinned IP Addresses columns to the domains table.
 164                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.PINNED_IP_ADDRESSES + " BOOLEAN");
 165                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.IP_ADDRESSES + " TEXT");
 166
 167                     // Upgrade from schema version 4, Privacy Browser 2.16.
 168                     case 4:
 169                         // Add the hide and scroll app bar columns to the preferences table.
 170                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + HIDE_APP_BAR + " BOOLEAN");
 171                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + SCROLL_APP_BAR + " BOOLEAN");
 172
 173                         // Get the current hide and scroll app bar settings.
 174                         boolean hideAppBar = sharedPreferences.getBoolean(HIDE_APP_BAR, true);
 175                         boolean scrollAppBar = sharedPreferences.getBoolean(SCROLL_APP_BAR, true);
 176
 177                         // Populate the preferences table with the current app bar values.
 178                         if (hideAppBar) {
 179                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + HIDE_APP_BAR + " = " + 1);
 180                         } else {
 181                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + HIDE_APP_BAR + " = " + 0);
 182                         }
 183
 184                         if (scrollAppBar) {
 185                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + SCROLL_APP_BAR + " = " + 1);
 186                         } else {
 187                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + SCROLL_APP_BAR + " = " + 0);
 188                         }
 189
 190                     // Upgrade from schema version 5, Privacy Browser 2.17.
 191                     case 5:
 192                         // Add the open intents in new tab column to the preferences table.
 193                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + OPEN_INTENTS_IN_NEW_TAB + " BOOLEAN");
 194
 195                         // Get the current open intents in new tab preference.
 196                         boolean openIntentsInNewTab = sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true);
 197
 198                         // Populate the preferences table with the current open intents value.
 199                         if (openIntentsInNewTab) {
 200                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + OPEN_INTENTS_IN_NEW_TAB + " = " + 1);
 201                         } else {
 202                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + OPEN_INTENTS_IN_NEW_TAB + " = " + 0);
 203                         }
 204
 205                     // Upgrade from schema version 6, Privacy Browser 3.0.
 206                     case 6:
 207                         // Add the wide viewport column to the domains table.
 208                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.WIDE_VIEWPORT + " INTEGER");
 209
 210                         // Add the Google Analytics, Facebook Click IDs, Twitter AMP redirects, and wide viewport columns to the preferences table.
 211                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + GOOGLE_ANALYTICS + " BOOLEAN");
 212                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + FACEBOOK_CLICK_IDS + " BOOLEAN");
 213                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + TWITTER_AMP_REDIRECTS + " BOOLEAN");
 214                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + WIDE_VIEWPORT + " BOOLEAN");
 215
 216                         // Get the current preference values.
 217                         boolean googleAnalytics = sharedPreferences.getBoolean(GOOGLE_ANALYTICS, true);
 218                         boolean facebookClickIds = sharedPreferences.getBoolean(FACEBOOK_CLICK_IDS, true);
 219                         boolean twitterAmpRedirects = sharedPreferences.getBoolean(TWITTER_AMP_REDIRECTS, true);
 220                         boolean wideViewport = sharedPreferences.getBoolean(WIDE_VIEWPORT, true);
 221
 222                         // Populate the preferences with the current Google Analytics value.
 223                         if (googleAnalytics) {
 224                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + GOOGLE_ANALYTICS + " = " + 1);
 225                         } else {
 226                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + GOOGLE_ANALYTICS + " = " + 0);
 227                         }
 228
 229                         // Populate the preferences with the current Facebook Click IDs value.
 230                         if (facebookClickIds) {
 231                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FACEBOOK_CLICK_IDS + " = " + 1);
 232                         } else {
 233                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FACEBOOK_CLICK_IDS + " = " + 0);
 234                         }
 235
 236                         // Populate the preferences table with the current Twitter AMP redirects value.
 237                         if (twitterAmpRedirects) {
 238                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + TWITTER_AMP_REDIRECTS + " = " + 1);
 239                         } else {
 240                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + TWITTER_AMP_REDIRECTS + " = " + 0);
 241                         }
 242
 243                         // Populate the preferences table with the current wide viewport value.
 244                         if (wideViewport) {
 245                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + WIDE_VIEWPORT + " = " + 1);
 246                         } else {
 247                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + WIDE_VIEWPORT + " = " + 0);
 248                         }
 249
 250                     // Upgrade from schema version 7, Privacy Browser 3.1.
 251                     case 7:
 252                         // Add the UltraList column to the domains table.
 253                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.ULTRALIST + " BOOLEAN");
 254
 255                         // Add the UltraList column to the preferences table.
 256                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + ULTRALIST + " BOOLEAN");
 257
 258                         // Get the current preference values.
 259                         boolean ultraList = sharedPreferences.getBoolean(ULTRALIST, true);
 260
 261                         // Populate the preferences tables with the current UltraList value.
 262                         if (ultraList) {
 263                             importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.ULTRALIST + " = " + 1);
 264                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + ULTRALIST + " = " + 1);
 265                         } else {
 266                             importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.ULTRALIST + " = " + 0);
 267                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + ULTRALIST + " = " + 0);
 268                         }
 269
 270                     // Upgrade from schema version 8, Privacy Browser 3.2.
 271                     case 8:
 272                         // Add the new proxy columns to the preferences table.
 273                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + PROXY + " TEXT");
 274                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + PROXY_CUSTOM_URL + " TEXT");
 275
 276                         // Get the current proxy values.
 277                         String proxy = sharedPreferences.getString(PROXY, context.getString(R.string.proxy_default_value));
 278                         String proxyCustomUrl = sharedPreferences.getString(PROXY_CUSTOM_URL, context.getString(R.string.proxy_custom_url_default_value));
 279
 280                         // SQL escape the proxy custom URL string.
 281                         proxyCustomUrl = DatabaseUtils.sqlEscapeString(proxyCustomUrl);
 282
 283                         // Populate the preferences table with the current proxy values. The proxy custom URL does not need to be surrounded by `'` because it was SLQ escaped above.
 284                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + PROXY + " = '" + proxy + "'");
 285                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + PROXY_CUSTOM_URL + " = " + proxyCustomUrl);
 286
 287                     // Upgrade from schema version 9, Privacy Browser 3.3.
 288                     case 9:
 289                         // Previously this upgrade added `download_location` and `download_custom_location` to the Preferences table.  But they are now removed in schema version 13.
 290
 291                     // Upgrade from schema version 10, Privacy Browser 3.4.
 292                     case 10:
 293                         // Add the app theme column to the preferences table.
 294                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + APP_THEME + " TEXT");
 295
 296                         // Get a cursor for the dark theme preference.
 297                         Cursor darkThemePreferencesCursor = importDatabase.rawQuery("SELECT dark_theme FROM " + PREFERENCES_TABLE, null);
 298
 299                         // Move to the first preference.
 300                         darkThemePreferencesCursor.moveToFirst();
 301
 302                         // Get the old dark theme value, which is in column 0.
 303                         int darkTheme = darkThemePreferencesCursor.getInt(0);
 304
 305                         // Close the dark theme preference cursor.
 306                         darkThemePreferencesCursor.close();
 307
 308                         // Populate the app theme according to the old dark theme preference.
 309                         if (darkTheme == 0) {  // A light theme was selected.
 310                             // Set the app theme to be the system default.
 311                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + APP_THEME + " = 'System default'");
 312                         } else {  // A dark theme was selected.
 313                             // Set the app theme to be dark.
 314                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + APP_THEME + " = 'Dark'");
 315                         }
 316
 317                         // Add the WebView theme to the domains table.  This defaults to 0, which is `System default`, so a separate step isn't needed to populate the database.
 318                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.WEBVIEW_THEME + " INTEGER");
 319
 320                         // Add the WebView theme to the preferences table.
 321                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + WEBVIEW_THEME + " TEXT");
 322
 323                         // Get the WebView theme default value string.
 324                         String webViewThemeDefaultValue = context.getString(R.string.webview_theme_default_value);
 325
 326                         // Set the WebView theme in the preferences table to be the default.
 327                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + WEBVIEW_THEME + " = " + "'" + webViewThemeDefaultValue + "'");
 328
 329                     // Upgrade from schema version 11, Privacy Browser 3.5.
 330                     case 11:
 331                         // Add the clear logcat column to the preferences table.
 332                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + CLEAR_LOGCAT + " BOOLEAN");
 333
 334                         // Get the current clear logcat value.
 335                         boolean clearLogcat = sharedPreferences.getBoolean(CLEAR_LOGCAT, true);
 336
 337                         // Populate the preference table with the current clear logcat value.
 338                         if (clearLogcat) {
 339                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + CLEAR_LOGCAT + " = " + 1);
 340                         } else {
 341                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + CLEAR_LOGCAT + " = " + 0);
 342                         }
 343
 344                     // Upgrade from schema version 12, Privacy Browser 3.6.
 345                     case 12:
 346                         // Do nothing.  `download_location` and `download_custom_location` were removed from the preferences table.
 347
 348                     // Upgrade from schema version 13, Privacy Browser 3.7
 349                     case 13:
 350                         // Do nothing.  `do_not_track` was removed from the preferences table.
 351                 }
 352             }
 353
 354
 355             // Get a cursor for the bookmarks table.
 356             Cursor importBookmarksCursor = importDatabase.rawQuery("SELECT * FROM " + BookmarksDatabaseHelper.BOOKMARKS_TABLE, null);
 357
 358             // Delete the current bookmarks database.
 359             context.deleteDatabase(BookmarksDatabaseHelper.BOOKMARKS_DATABASE);
 360
 361             // Create a new bookmarks database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
 362             BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(context, null, null, 0);
 363
 364             // Move to the first bookmark.
 365             importBookmarksCursor.moveToFirst();
 366
 367             // Copy the data from the import bookmarks cursor into the bookmarks database.
 368             for (int i = 0; i < importBookmarksCursor.getCount(); i++) {
 369                 // Extract the record from the cursor and store the data in a ContentValues.
 370                 ContentValues bookmarksContentValues = new ContentValues();
 371                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
 372                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
 373                 bookmarksContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
 374                 bookmarksContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)));
 375                 bookmarksContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)));
 376                 bookmarksContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, importBookmarksCursor.getBlob(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON)));
 377
 378                 // Insert the record into the export database.
 379                 bookmarksDatabaseHelper.createBookmark(bookmarksContentValues);
 380
 381                 // Advance to the next record.
 382                 importBookmarksCursor.moveToNext();
 383             }
 384
 385             // Close the bookmarks cursor.
 386             importBookmarksCursor.close();
 387
 388             // Close the bookmarks database.
 389             bookmarksDatabaseHelper.close();
 390
 391
 392             // Get a cursor for the domains table.
 393             Cursor importDomainsCursor = importDatabase.rawQuery("SELECT * FROM " + DomainsDatabaseHelper.DOMAINS_TABLE + " ORDER BY " + DomainsDatabaseHelper.DOMAIN_NAME + " ASC", null);
 394
 395             // Delete the current domains database.
 396             context.deleteDatabase(DomainsDatabaseHelper.DOMAINS_DATABASE);
 397
 398             // Create a new domains database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
 399             DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0);
 400
 401             // Move to the first domain.
 402             importDomainsCursor.moveToFirst();
 403
 404             // Copy the data from the import domains cursor into the domains database.
 405             for (int i = 0; i < importDomainsCursor.getCount(); i++) {
 406                 // Extract the record from the cursor and store the data in a ContentValues.
 407                 ContentValues domainsContentValues = new ContentValues();
 408                 domainsContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)));
 409                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)));
 410                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)));
 411                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)));
 412                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)));
 413                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)));
 414                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)));
 415                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)));
 416                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST,
 417                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)));
 418                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST,
 419                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)));
 420                 domainsContentValues.put(DomainsDatabaseHelper.ULTRALIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ULTRALIST)));
 421                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)));
 422                 domainsContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS,
 423                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)));
 424                 domainsContentValues.put(DomainsDatabaseHelper.USER_AGENT, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
 425                 domainsContentValues.put(DomainsDatabaseHelper.FONT_SIZE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
 426                 domainsContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SWIPE_TO_REFRESH)));
 427                 domainsContentValues.put(DomainsDatabaseHelper.WEBVIEW_THEME, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.WEBVIEW_THEME)));
 428                 domainsContentValues.put(DomainsDatabaseHelper.WIDE_VIEWPORT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.WIDE_VIEWPORT)));
 429                 domainsContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES)));
 430                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)));
 431                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)));
 432                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)));
 433                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT,
 434                         importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)));
 435                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)));
 436                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)));
 437                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT,
 438                         importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)));
 439                 domainsContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
 440                 domainsContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
 441                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)));
 442                 domainsContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.IP_ADDRESSES)));
 443
 444                 // Insert the record into the export database.
 445                 domainsDatabaseHelper.addDomain(domainsContentValues);
 446
 447                 // Advance to the next record.
 448                 importDomainsCursor.moveToNext();
 449             }
 450
 451             // Close the domains cursor.
 452             importDomainsCursor.close();
 453
 454             // Close the domains database.
 455             domainsDatabaseHelper.close();
 456
 457
 458             // Get a cursor for the preferences table.
 459             Cursor importPreferencesCursor = importDatabase.rawQuery("SELECT * FROM " + PREFERENCES_TABLE, null);
 460
 461             // Move to the first preference.
 462             importPreferencesCursor.moveToFirst();
 463
 464             // Import the preference data.
 465             sharedPreferences.edit()
 466                     .putBoolean(JAVASCRIPT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(JAVASCRIPT)) == 1)
 467                     .putBoolean(FIRST_PARTY_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FIRST_PARTY_COOKIES)) == 1)
 468                     .putBoolean(THIRD_PARTY_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(THIRD_PARTY_COOKIES)) == 1)
 469                     .putBoolean(DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DOM_STORAGE)) == 1)
 470                     // Save form data can be removed once the minimum API >= 26.
 471                     .putBoolean(SAVE_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SAVE_FORM_DATA)) == 1)
 472                     .putString(USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(USER_AGENT)))
 473                     .putString(CUSTOM_USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(CUSTOM_USER_AGENT)))
 474                     .putBoolean(INCOGNITO_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(INCOGNITO_MODE)) == 1)
 475                     .putBoolean(ALLOW_SCREENSHOTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ALLOW_SCREENSHOTS)) == 1)
 476                     .putBoolean(EASYLIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(EASYLIST)) == 1)
 477                     .putBoolean(EASYPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(EASYPRIVACY)) == 1)
 478                     .putBoolean(FANBOYS_ANNOYANCE_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FANBOYS_ANNOYANCE_LIST)) == 1)
 479                     .putBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FANBOYS_SOCIAL_BLOCKING_LIST)) == 1)
 480                     .putBoolean(ULTRALIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ULTRALIST)) == 1)
 481                     .putBoolean(ULTRAPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ULTRAPRIVACY)) == 1)
 482                     .putBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(BLOCK_ALL_THIRD_PARTY_REQUESTS)) == 1)
 483                     .putBoolean(GOOGLE_ANALYTICS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(GOOGLE_ANALYTICS)) == 1)
 484                     .putBoolean(FACEBOOK_CLICK_IDS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FACEBOOK_CLICK_IDS)) == 1)
 485                     .putBoolean(TWITTER_AMP_REDIRECTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(TWITTER_AMP_REDIRECTS)) == 1)
 486                     .putString(SEARCH, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(SEARCH)))
 487                     .putString(SEARCH_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(SEARCH_CUSTOM_URL)))
 488                     .putString(PROXY, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(PROXY)))
 489                     .putString(PROXY_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(PROXY_CUSTOM_URL)))
 490                     .putBoolean(FULL_SCREEN_BROWSING_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FULL_SCREEN_BROWSING_MODE)) == 1)
 491                     .putBoolean(HIDE_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(HIDE_APP_BAR)) == 1)
 492                     .putBoolean(CLEAR_EVERYTHING, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_EVERYTHING)) == 1)
 493                     .putBoolean(CLEAR_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_COOKIES)) == 1)
 494                     .putBoolean(CLEAR_DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_DOM_STORAGE)) == 1)
 495                     // Clear form data can be removed once the minimum API >= 26.
 496                     .putBoolean(CLEAR_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_FORM_DATA)) == 1)
 497                     .putBoolean(CLEAR_LOGCAT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_LOGCAT)) == 1)
 498                     .putBoolean(CLEAR_CACHE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_CACHE)) == 1)
 499                     .putString(HOMEPAGE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(HOMEPAGE)))
 500                     .putString(FONT_SIZE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(FONT_SIZE)))
 501                     .putBoolean(OPEN_INTENTS_IN_NEW_TAB, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(OPEN_INTENTS_IN_NEW_TAB)) == 1)
 502                     .putBoolean(SWIPE_TO_REFRESH, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SWIPE_TO_REFRESH)) == 1)
 503                     .putBoolean(SCROLL_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SCROLL_APP_BAR)) == 1)
 504                     .putBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DISPLAY_ADDITIONAL_APP_BAR_ICONS)) == 1)
 505                     .putString(APP_THEME, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(APP_THEME)))
 506                     .putString(WEBVIEW_THEME, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(WEBVIEW_THEME)))
 507                     .putBoolean(WIDE_VIEWPORT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(WIDE_VIEWPORT)) == 1)
 508                     .putBoolean(DISPLAY_WEBPAGE_IMAGES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DISPLAY_WEBPAGE_IMAGES)) == 1)
 509                     .apply();
 510
 511             // Close the preferences cursor.
 512             importPreferencesCursor.close();
 513
 514             // Close the import database.
 515             importDatabase.close();
 516
 517             // Delete the temporary import file database, journal, and other related auxiliary files.
 518             SQLiteDatabase.deleteDatabase(temporaryImportFile);
 519
 520             // Import successful.
 521             return IMPORT_SUCCESSFUL;
 522         } catch (Exception exception) {
 523             // Return the import error.
 524             return exception.toString();
 525         }
 526     }
 527
 528     public String exportUnencrypted(OutputStream exportFileOutputStream, Context context) {
 529         try {
 530             // Create a temporary export file.
 531             File temporaryExportFile = File.createTempFile("temporary_export_file", null, context.getCacheDir());
 532
 533             // Create the temporary export database.
 534             SQLiteDatabase temporaryExportDatabase = SQLiteDatabase.openOrCreateDatabase(temporaryExportFile, null);
 535
 536             // Set the temporary export database version number.
 537             temporaryExportDatabase.setVersion(SCHEMA_VERSION);
 538
 539
 540             // Create the temporary export database bookmarks table.
 541             temporaryExportDatabase.execSQL(BookmarksDatabaseHelper.CREATE_BOOKMARKS_TABLE);
 542
 543             // Open the bookmarks database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
 544             BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(context, null, null, 0);
 545
 546             // Get a full bookmarks cursor.
 547             Cursor bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarks();
 548
 549             // Move to the first bookmark.
 550             bookmarksCursor.moveToFirst();
 551
 552             // Copy the data from the bookmarks cursor into the export database.
 553             for (int i = 0; i < bookmarksCursor.getCount(); i++) {
 554                 // Extract the record from the cursor and store the data in a ContentValues.
 555                 ContentValues bookmarksContentValues = new ContentValues();
 556                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
 557                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
 558                 bookmarksContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
 559                 bookmarksContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)));
 560                 bookmarksContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)));
 561                 bookmarksContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, bookmarksCursor.getBlob(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON)));
 562
 563                 // Insert the record into the temporary export database.
 564                 temporaryExportDatabase.insert(BookmarksDatabaseHelper.BOOKMARKS_TABLE, null, bookmarksContentValues);
 565
 566                 // Advance to the next record.
 567                 bookmarksCursor.moveToNext();
 568             }
 569
 570             // Close the bookmarks database.
 571             bookmarksCursor.close();
 572             bookmarksDatabaseHelper.close();
 573
 574
 575             // Create the temporary export database domains table.
 576             temporaryExportDatabase.execSQL(DomainsDatabaseHelper.CREATE_DOMAINS_TABLE);
 577
 578             // Open the 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             // Get a full domains database cursor.
 582             Cursor domainsCursor = domainsDatabaseHelper.getCompleteCursorOrderedByDomain();
 583
 584             // Move to the first domain.
 585             domainsCursor.moveToFirst();
 586
 587             // Copy the data from the domains cursor into the export database.
 588             for (int i = 0; i < domainsCursor.getCount(); i++) {
 589                 // Extract the record from the cursor and store the data in a ContentValues.
 590                 ContentValues domainsContentValues = new ContentValues();
 591                 domainsContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)));
 592                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)));
 593                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)));
 594                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)));
 595                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)));
 596                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)));
 597                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)));
 598                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)));
 599                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)));
 600                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)));
 601                 domainsContentValues.put(DomainsDatabaseHelper.ULTRALIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ULTRALIST)));
 602                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)));
 603                 domainsContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)));
 604                 domainsContentValues.put(DomainsDatabaseHelper.USER_AGENT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
 605                 domainsContentValues.put(DomainsDatabaseHelper.FONT_SIZE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
 606                 domainsContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SWIPE_TO_REFRESH)));
 607                 domainsContentValues.put(DomainsDatabaseHelper.WEBVIEW_THEME, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.WEBVIEW_THEME)));
 608                 domainsContentValues.put(DomainsDatabaseHelper.WIDE_VIEWPORT, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.WIDE_VIEWPORT)));
 609                 domainsContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES)));
 610                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)));
 611                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)));
 612                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)));
 613                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)));
 614                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)));
 615                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)));
 616                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)));
 617                 domainsContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, domainsCursor.getLong(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
 618                 domainsContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, domainsCursor.getLong(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
 619                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)));
 620                 domainsContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.IP_ADDRESSES)));
 621
 622                 // Insert the record into the temporary export database.
 623                 temporaryExportDatabase.insert(DomainsDatabaseHelper.DOMAINS_TABLE, null, domainsContentValues);
 624
 625                 // Advance to the next record.
 626                 domainsCursor.moveToNext();
 627             }
 628
 629             // Close the domains database.
 630             domainsCursor.close();
 631             domainsDatabaseHelper.close();
 632
 633
 634             // Prepare the preferences table SQL creation string.
 635             String CREATE_PREFERENCES_TABLE = "CREATE TABLE " + PREFERENCES_TABLE + " (" +
 636                     _ID + " INTEGER PRIMARY KEY, " +
 637                     JAVASCRIPT + " BOOLEAN, " +
 638                     FIRST_PARTY_COOKIES + " BOOLEAN, " +
 639                     THIRD_PARTY_COOKIES + " BOOLEAN, " +
 640                     DOM_STORAGE + " BOOLEAN, " +
 641                     SAVE_FORM_DATA + " BOOLEAN, " +
 642                     USER_AGENT + " TEXT, " +
 643                     CUSTOM_USER_AGENT + " TEXT, " +
 644                     INCOGNITO_MODE + " BOOLEAN, " +
 645                     ALLOW_SCREENSHOTS + " BOOLEAN, " +
 646                     EASYLIST + " BOOLEAN, " +
 647                     EASYPRIVACY + " BOOLEAN, " +
 648                     FANBOYS_ANNOYANCE_LIST + " BOOLEAN, " +
 649                     FANBOYS_SOCIAL_BLOCKING_LIST + " BOOLEAN, " +
 650                     ULTRALIST + " BOOLEAN, " +
 651                     ULTRAPRIVACY + " BOOLEAN, " +
 652                     BLOCK_ALL_THIRD_PARTY_REQUESTS + " BOOLEAN, " +
 653                     GOOGLE_ANALYTICS + " BOOLEAN, " +
 654                     FACEBOOK_CLICK_IDS + " BOOLEAN, " +
 655                     TWITTER_AMP_REDIRECTS + " BOOLEAN, " +
 656                     SEARCH + " TEXT, " +
 657                     SEARCH_CUSTOM_URL + " TEXT, " +
 658                     PROXY + " TEXT, " +
 659                     PROXY_CUSTOM_URL + " TEXT, " +
 660                     FULL_SCREEN_BROWSING_MODE + " BOOLEAN, " +
 661                     HIDE_APP_BAR + " BOOLEAN, " +
 662                     CLEAR_EVERYTHING + " BOOLEAN, " +
 663                     CLEAR_COOKIES + " BOOLEAN, " +
 664                     CLEAR_DOM_STORAGE + " BOOLEAN, " +
 665                     CLEAR_FORM_DATA + " BOOLEAN, " +
 666                     CLEAR_LOGCAT + " BOOLEAN, " +
 667                     CLEAR_CACHE + " BOOLEAN, " +
 668                     HOMEPAGE + " TEXT, " +
 669                     FONT_SIZE + " TEXT, " +
 670                     OPEN_INTENTS_IN_NEW_TAB + " BOOLEAN, " +
 671                     SWIPE_TO_REFRESH + " BOOLEAN, " +
 672                     SCROLL_APP_BAR + " BOOLEAN, " +
 673                     DISPLAY_ADDITIONAL_APP_BAR_ICONS + " BOOLEAN, " +
 674                     APP_THEME + " TEXT, " +
 675                     WEBVIEW_THEME + " TEXT, " +
 676                     WIDE_VIEWPORT + " BOOLEAN, " +
 677                     DISPLAY_WEBPAGE_IMAGES + " BOOLEAN)";
 678
 679             // Create the temporary export database preferences table.
 680             temporaryExportDatabase.execSQL(CREATE_PREFERENCES_TABLE);
 681
 682             // Get a handle for the shared preference.
 683             SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 684
 685             // Create a ContentValues with the preferences information.
 686             ContentValues preferencesContentValues = new ContentValues();
 687             preferencesContentValues.put(JAVASCRIPT, sharedPreferences.getBoolean(JAVASCRIPT, false));
 688             preferencesContentValues.put(FIRST_PARTY_COOKIES, sharedPreferences.getBoolean(FIRST_PARTY_COOKIES, false));
 689             preferencesContentValues.put(THIRD_PARTY_COOKIES, sharedPreferences.getBoolean(THIRD_PARTY_COOKIES, false));
 690             preferencesContentValues.put(DOM_STORAGE, sharedPreferences.getBoolean(DOM_STORAGE, false));
 691             preferencesContentValues.put(SAVE_FORM_DATA, sharedPreferences.getBoolean(SAVE_FORM_DATA, false));  // Save form data can be removed once the minimum API >= 26.
 692             preferencesContentValues.put(USER_AGENT, sharedPreferences.getString(USER_AGENT, context.getString(R.string.user_agent_default_value)));
 693             preferencesContentValues.put(CUSTOM_USER_AGENT, sharedPreferences.getString(CUSTOM_USER_AGENT, context.getString(R.string.custom_user_agent_default_value)));
 694             preferencesContentValues.put(INCOGNITO_MODE, sharedPreferences.getBoolean(INCOGNITO_MODE, false));
 695             preferencesContentValues.put(ALLOW_SCREENSHOTS, sharedPreferences.getBoolean(ALLOW_SCREENSHOTS, false));
 696             preferencesContentValues.put(EASYLIST, sharedPreferences.getBoolean(EASYLIST, true));
 697             preferencesContentValues.put(EASYPRIVACY, sharedPreferences.getBoolean(EASYPRIVACY, true));
 698             preferencesContentValues.put(FANBOYS_ANNOYANCE_LIST, sharedPreferences.getBoolean(FANBOYS_ANNOYANCE_LIST, true));
 699             preferencesContentValues.put(FANBOYS_SOCIAL_BLOCKING_LIST, sharedPreferences.getBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, true));
 700             preferencesContentValues.put(ULTRALIST, sharedPreferences.getBoolean(ULTRALIST, true));
 701             preferencesContentValues.put(ULTRAPRIVACY, sharedPreferences.getBoolean(ULTRAPRIVACY, true));
 702             preferencesContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, sharedPreferences.getBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, false));
 703             preferencesContentValues.put(GOOGLE_ANALYTICS, sharedPreferences.getBoolean(GOOGLE_ANALYTICS, true));
 704             preferencesContentValues.put(FACEBOOK_CLICK_IDS, sharedPreferences.getBoolean(FACEBOOK_CLICK_IDS, true));
 705             preferencesContentValues.put(TWITTER_AMP_REDIRECTS, sharedPreferences.getBoolean(TWITTER_AMP_REDIRECTS, true));
 706             preferencesContentValues.put(SEARCH, sharedPreferences.getString(SEARCH, context.getString(R.string.search_default_value)));
 707             preferencesContentValues.put(SEARCH_CUSTOM_URL, sharedPreferences.getString(SEARCH_CUSTOM_URL, context.getString(R.string.search_custom_url_default_value)));
 708             preferencesContentValues.put(PROXY, sharedPreferences.getString(PROXY, context.getString(R.string.proxy_default_value)));
 709             preferencesContentValues.put(PROXY_CUSTOM_URL, sharedPreferences.getString(PROXY_CUSTOM_URL, context.getString(R.string.proxy_custom_url_default_value)));
 710             preferencesContentValues.put(FULL_SCREEN_BROWSING_MODE, sharedPreferences.getBoolean(FULL_SCREEN_BROWSING_MODE, false));
 711             preferencesContentValues.put(HIDE_APP_BAR, sharedPreferences.getBoolean(HIDE_APP_BAR, true));
 712             preferencesContentValues.put(CLEAR_EVERYTHING, sharedPreferences.getBoolean(CLEAR_EVERYTHING, true));
 713             preferencesContentValues.put(CLEAR_COOKIES, sharedPreferences.getBoolean(CLEAR_COOKIES, true));
 714             preferencesContentValues.put(CLEAR_DOM_STORAGE, sharedPreferences.getBoolean(CLEAR_DOM_STORAGE, true));
 715             preferencesContentValues.put(CLEAR_FORM_DATA, sharedPreferences.getBoolean(CLEAR_FORM_DATA, true));  // Clear form data can be removed once the minimum API >= 26.
 716             preferencesContentValues.put(CLEAR_LOGCAT, sharedPreferences.getBoolean(CLEAR_LOGCAT, true));
 717             preferencesContentValues.put(CLEAR_CACHE, sharedPreferences.getBoolean(CLEAR_CACHE, true));
 718             preferencesContentValues.put(HOMEPAGE, sharedPreferences.getString(HOMEPAGE, context.getString(R.string.homepage_default_value)));
 719             preferencesContentValues.put(FONT_SIZE, sharedPreferences.getString(FONT_SIZE, context.getString(R.string.font_size_default_value)));
 720             preferencesContentValues.put(OPEN_INTENTS_IN_NEW_TAB, sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true));
 721             preferencesContentValues.put(SWIPE_TO_REFRESH, sharedPreferences.getBoolean(SWIPE_TO_REFRESH, true));
 722             preferencesContentValues.put(SCROLL_APP_BAR, sharedPreferences.getBoolean(SCROLL_APP_BAR, true));
 723             preferencesContentValues.put(DISPLAY_ADDITIONAL_APP_BAR_ICONS, sharedPreferences.getBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, false));
 724             preferencesContentValues.put(APP_THEME, sharedPreferences.getString(APP_THEME, context.getString(R.string.app_theme_default_value)));
 725             preferencesContentValues.put(WEBVIEW_THEME, sharedPreferences.getString(WEBVIEW_THEME, context.getString(R.string.webview_theme_default_value)));
 726             preferencesContentValues.put(WIDE_VIEWPORT, sharedPreferences.getBoolean(WIDE_VIEWPORT, true));
 727             preferencesContentValues.put(DISPLAY_WEBPAGE_IMAGES, sharedPreferences.getBoolean(DISPLAY_WEBPAGE_IMAGES, true));
 728
 729             // Insert the preferences into the temporary export database.
 730             temporaryExportDatabase.insert(PREFERENCES_TABLE, null, preferencesContentValues);
 731
 732             // Close the temporary export database.
 733             temporaryExportDatabase.close();
 734
 735
 736             // Create the temporary export file input stream.
 737             FileInputStream temporaryExportFileInputStream = new FileInputStream(temporaryExportFile);
 738
 739             // Create a byte array.
 740             byte[] transferByteArray = new byte[1024];
 741
 742             // Create an integer to track the number of bytes read.
 743             int bytesRead;
 744
 745             // Copy the temporary export file to the export file output stream.
 746             while ((bytesRead = temporaryExportFileInputStream.read(transferByteArray)) > 0) {
 747                 exportFileOutputStream.write(transferByteArray, 0, bytesRead);
 748             }
 749
 750             // Flush the export file output stream.
 751             exportFileOutputStream.flush();
 752
 753             // Close the file streams.
 754             temporaryExportFileInputStream.close();
 755             exportFileOutputStream.close();
 756
 757             // Delete the temporary export file database, journal, and other related auxiliary files.
 758             SQLiteDatabase.deleteDatabase(temporaryExportFile);
 759
 760             // Export successful.
 761             return EXPORT_SUCCESSFUL;
 762         } catch (Exception exception) {
 763             // Return the export error.
 764             return exception.toString();
 765         }
 766     }
 767 }