Add the option to move the app bar to the bottom of the screen. https://redmine.stout...
[PrivacyBrowser.git] / app / src / main / java / com / stoutner / 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 COOKIES = "cookies";
51     private static final String DOM_STORAGE = "dom_storage";
52     private static final String SAVE_FORM_DATA = "save_form_data";
53     private static final String USER_AGENT = "user_agent";
54     private static final String CUSTOM_USER_AGENT = "custom_user_agent";
55     private static final String INCOGNITO_MODE = "incognito_mode";
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_LOGCAT = "clear_logcat";
78     private static final String CLEAR_CACHE = "clear_cache";
79     private static final String HOMEPAGE = "homepage";
80     private static final String FONT_SIZE = "font_size";
81     private static final String OPEN_INTENTS_IN_NEW_TAB = "open_intents_in_new_tab";
82     private static final String SWIPE_TO_REFRESH = "swipe_to_refresh";
83     private static final String DOWNLOAD_WITH_EXTERNAL_APP = "download_with_external_app";
84     private static final String SCROLL_APP_BAR = "scroll_app_bar";
85     private static final String BOTTOM_APP_BAR = "bottom_app_bar";
86     private static final String DISPLAY_ADDITIONAL_APP_BAR_ICONS = "display_additional_app_bar_icons";
87     private static final String APP_THEME = "app_theme";
88     private static final String WEBVIEW_THEME = "webview_theme";
89     private static final String WIDE_VIEWPORT = "wide_viewport";
90     private static final String DISPLAY_WEBPAGE_IMAGES = "display_webpage_images";
91
92     public String importUnencrypted(InputStream importFileInputStream, Context context){
93         try {
94             // Create a temporary import file.
95             File temporaryImportFile = File.createTempFile("temporary_import_file", null, context.getCacheDir());
96
97             // Create a temporary file output stream.
98             FileOutputStream temporaryImportFileOutputStream = new FileOutputStream(temporaryImportFile);
99
100             // Create a transfer byte array.
101             byte[] transferByteArray = new byte[1024];
102
103             // Create an integer to track the number of bytes read.
104             int bytesRead;
105
106             // Copy the import file to the temporary import file.
107             while ((bytesRead = importFileInputStream.read(transferByteArray)) > 0) {
108                 temporaryImportFileOutputStream.write(transferByteArray, 0, bytesRead);
109             }
110
111             // Flush the temporary import file output stream.
112             temporaryImportFileOutputStream.flush();
113
114             // Close the file streams.
115             importFileInputStream.close();
116             temporaryImportFileOutputStream.close();
117
118
119             // Get a handle for the shared preference.
120             SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
121
122             // Open the import database.  Once the minimum API >= 27 the file can be opened directly without using the string.
123             SQLiteDatabase importDatabase = SQLiteDatabase.openDatabase(temporaryImportFile.toString(), null, SQLiteDatabase.OPEN_READWRITE);
124
125             // Get the database version.
126             int importDatabaseVersion = importDatabase.getVersion();
127
128             // Upgrade the database if needed.
129             if (importDatabaseVersion < SCHEMA_VERSION) {
130                 switch (importDatabaseVersion) {
131                     // Upgrade from schema version 1, Privacy Browser 2.13.
132                     case 1:
133                         // Previously this upgrade added `download_with_external_app` to the Preferences table.  But that is now removed in schema version 10.
134
135                     // Upgrade from schema version 2, Privacy Browser 2.14.
136                     case 2:
137                         // 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>
138                         // <https://developer.android.com/reference/android/database/sqlite/package-summary>
139                         // 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.
140
141                         // Create the new font size column.
142                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + FONT_SIZE + " TEXT");
143
144                         // Populate the preferences table with the current font size value.
145                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FONT_SIZE + " = default_font_size");
146
147                     // Upgrade from schema version 3, Privacy Browser 2.15.
148                     case 3:
149                         // Add the Pinned IP Addresses columns to the domains table.
150                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.PINNED_IP_ADDRESSES + " BOOLEAN");
151                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.IP_ADDRESSES + " TEXT");
152
153                     // Upgrade from schema version 4, Privacy Browser 2.16.
154                     case 4:
155                         // Add the hide and scroll app bar columns to the preferences table.
156                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + HIDE_APP_BAR + " BOOLEAN");
157                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + SCROLL_APP_BAR + " BOOLEAN");
158
159                         // Get the current hide and scroll app bar settings.
160                         boolean hideAppBar = sharedPreferences.getBoolean(HIDE_APP_BAR, true);
161                         boolean scrollAppBar = sharedPreferences.getBoolean(SCROLL_APP_BAR, true);
162
163                         // Populate the preferences table with the current app bar values.
164                         if (hideAppBar) {
165                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + HIDE_APP_BAR + " = " + 1);
166                         } else {
167                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + HIDE_APP_BAR + " = " + 0);
168                         }
169
170                         if (scrollAppBar) {
171                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + SCROLL_APP_BAR + " = " + 1);
172                         } else {
173                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + SCROLL_APP_BAR + " = " + 0);
174                         }
175
176                     // Upgrade from schema version 5, Privacy Browser 2.17.
177                     case 5:
178                         // Add the open intents in new tab column to the preferences table.
179                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + OPEN_INTENTS_IN_NEW_TAB + " BOOLEAN");
180
181                         // Get the current open intents in new tab preference.
182                         boolean openIntentsInNewTab = sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true);
183
184                         // Populate the preferences table with the current open intents value.
185                         if (openIntentsInNewTab) {
186                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + OPEN_INTENTS_IN_NEW_TAB + " = " + 1);
187                         } else {
188                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + OPEN_INTENTS_IN_NEW_TAB + " = " + 0);
189                         }
190
191                     // Upgrade from schema version 6, Privacy Browser 3.0.
192                     case 6:
193                         // Add the wide viewport column to the domains table.
194                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.WIDE_VIEWPORT + " INTEGER");
195
196                         // Add the Google Analytics, Facebook Click IDs, Twitter AMP redirects, and wide viewport columns to the preferences table.
197                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + GOOGLE_ANALYTICS + " BOOLEAN");
198                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + FACEBOOK_CLICK_IDS + " BOOLEAN");
199                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + TWITTER_AMP_REDIRECTS + " BOOLEAN");
200                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + WIDE_VIEWPORT + " BOOLEAN");
201
202                         // Get the current preference values.
203                         boolean googleAnalytics = sharedPreferences.getBoolean(GOOGLE_ANALYTICS, true);
204                         boolean facebookClickIds = sharedPreferences.getBoolean(FACEBOOK_CLICK_IDS, true);
205                         boolean twitterAmpRedirects = sharedPreferences.getBoolean(TWITTER_AMP_REDIRECTS, true);
206                         boolean wideViewport = sharedPreferences.getBoolean(WIDE_VIEWPORT, true);
207
208                         // Populate the preferences with the current Google Analytics value.
209                         if (googleAnalytics) {
210                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + GOOGLE_ANALYTICS + " = " + 1);
211                         } else {
212                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + GOOGLE_ANALYTICS + " = " + 0);
213                         }
214
215                         // Populate the preferences with the current Facebook Click IDs value.
216                         if (facebookClickIds) {
217                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FACEBOOK_CLICK_IDS + " = " + 1);
218                         } else {
219                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + FACEBOOK_CLICK_IDS + " = " + 0);
220                         }
221
222                         // Populate the preferences table with the current Twitter AMP redirects value.
223                         if (twitterAmpRedirects) {
224                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + TWITTER_AMP_REDIRECTS + " = " + 1);
225                         } else {
226                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + TWITTER_AMP_REDIRECTS + " = " + 0);
227                         }
228
229                         // Populate the preferences table with the current wide viewport value.
230                         if (wideViewport) {
231                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + WIDE_VIEWPORT + " = " + 1);
232                         } else {
233                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + WIDE_VIEWPORT + " = " + 0);
234                         }
235
236                     // Upgrade from schema version 7, Privacy Browser 3.1.
237                     case 7:
238                         // Add the UltraList column to the domains table.
239                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.ULTRALIST + " BOOLEAN");
240
241                         // Add the UltraList column to the preferences table.
242                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + ULTRALIST + " BOOLEAN");
243
244                         // Get the current preference values.
245                         boolean ultraList = sharedPreferences.getBoolean(ULTRALIST, true);
246
247                         // Populate the preferences tables with the current UltraList value.
248                         if (ultraList) {
249                             importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.ULTRALIST + " = " + 1);
250                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + ULTRALIST + " = " + 1);
251                         } else {
252                             importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.ULTRALIST + " = " + 0);
253                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + ULTRALIST + " = " + 0);
254                         }
255
256                     // Upgrade from schema version 8, Privacy Browser 3.2.
257                     case 8:
258                         // Add the new proxy columns to the preferences table.
259                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + PROXY + " TEXT");
260                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + PROXY_CUSTOM_URL + " TEXT");
261
262                         // Get the current proxy values.
263                         String proxy = sharedPreferences.getString(PROXY, context.getString(R.string.proxy_default_value));
264                         String proxyCustomUrl = sharedPreferences.getString(PROXY_CUSTOM_URL, context.getString(R.string.proxy_custom_url_default_value));
265
266                         // SQL escape the proxy custom URL string.
267                         proxyCustomUrl = DatabaseUtils.sqlEscapeString(proxyCustomUrl);
268
269                         // 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.
270                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + PROXY + " = '" + proxy + "'");
271                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + PROXY_CUSTOM_URL + " = " + proxyCustomUrl);
272
273                     // Upgrade from schema version 9, Privacy Browser 3.3.
274                     case 9:
275                         // Previously this upgrade added `download_location` and `download_custom_location` to the Preferences table.  But they are now removed in schema version 13.
276
277                     // Upgrade from schema version 10, Privacy Browser 3.4.
278                     case 10:
279                         // Add the app theme column to the preferences table.
280                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + APP_THEME + " TEXT");
281
282                         // Get a cursor for the dark theme preference.
283                         Cursor darkThemePreferencesCursor = importDatabase.rawQuery("SELECT dark_theme FROM " + PREFERENCES_TABLE, null);
284
285                         // Move to the first preference.
286                         darkThemePreferencesCursor.moveToFirst();
287
288                         // Get the old dark theme value, which is in column 0.
289                         int darkTheme = darkThemePreferencesCursor.getInt(0);
290
291                         // Close the dark theme preference cursor.
292                         darkThemePreferencesCursor.close();
293
294                         // Populate the app theme according to the old dark theme preference.
295                         if (darkTheme == 0) {  // A light theme was selected.
296                             // Set the app theme to be the system default.
297                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + APP_THEME + " = 'System default'");
298                         } else {  // A dark theme was selected.
299                             // Set the app theme to be dark.
300                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + APP_THEME + " = 'Dark'");
301                         }
302
303                         // 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.
304                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.WEBVIEW_THEME + " INTEGER");
305
306                         // Add the WebView theme to the preferences table.
307                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + WEBVIEW_THEME + " TEXT");
308
309                         // Get the WebView theme default value string.
310                         String webViewThemeDefaultValue = context.getString(R.string.webview_theme_default_value);
311
312                         // Set the WebView theme in the preferences table to be the default.
313                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + WEBVIEW_THEME + " = " + "'" + webViewThemeDefaultValue + "'");
314
315                     // Upgrade from schema version 11, Privacy Browser 3.5.
316                     case 11:
317                         // Add the clear logcat column to the preferences table.
318                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + CLEAR_LOGCAT + " BOOLEAN");
319
320                         // Get the current clear logcat value.
321                         boolean clearLogcat = sharedPreferences.getBoolean(CLEAR_LOGCAT, true);
322
323                         // Populate the preferences table with the current clear logcat value.
324                         if (clearLogcat) {
325                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + CLEAR_LOGCAT + " = " + 1);
326                         } else {
327                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + CLEAR_LOGCAT + " = " + 0);
328                         }
329
330                     // Upgrade from schema version 12, Privacy Browser 3.6.
331                     case 12:
332                         // Do nothing.  `download_location` and `download_custom_location` were removed from the preferences table.
333
334                     // Upgrade from schema version 13, Privacy Browser 3.7
335                     case 13:
336                         // `enabledthirdpartycookies` was removed from the domains table.  `do_not_track` and `third_party_cookies` were removed from the preferences table.
337
338                         // 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>
339                         // <https://developer.android.com/reference/android/database/sqlite/package-summary>
340                         // 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.
341
342                         // Create the new cookies columns.
343                         importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.COOKIES + " BOOLEAN");
344                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + COOKIES + " BOOLEAN");
345
346                         // Copy the data from the old cookies columns to the new ones.
347                         importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.COOKIES + " = enablefirstpartycookies");
348                         importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + COOKIES + " = first_party_cookies");
349
350                         // Create the new columns.
351                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + DOWNLOAD_WITH_EXTERNAL_APP + " BOOLEAN");
352                         importDatabase.execSQL("ALTER TABLE " + PREFERENCES_TABLE + " ADD COLUMN " + BOTTOM_APP_BAR + " BOOLEAN");
353
354                         // Get the current values for the new columns.
355                         boolean downloadWithExternalApp = sharedPreferences.getBoolean(DOWNLOAD_WITH_EXTERNAL_APP, false);
356                         boolean bottomAppBar = sharedPreferences.getBoolean(BOTTOM_APP_BAR, false);
357
358                         // Populate the preferences table with the current download with external app value.
359                         if (downloadWithExternalApp) {
360                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + DOWNLOAD_WITH_EXTERNAL_APP + " = " + 1);
361                         } else {
362                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + DOWNLOAD_WITH_EXTERNAL_APP + " = " + 0);
363                         }
364
365                         // Populate the preferences table with the current bottom app bar value.
366                         if (bottomAppBar) {
367                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + BOTTOM_APP_BAR + " = " + 1);
368                         } else {
369                             importDatabase.execSQL("UPDATE " + PREFERENCES_TABLE + " SET " + BOTTOM_APP_BAR + " = " + 0);
370                         }
371                 }
372             }
373
374             // Get a cursor for the bookmarks table.
375             Cursor importBookmarksCursor = importDatabase.rawQuery("SELECT * FROM " + BookmarksDatabaseHelper.BOOKMARKS_TABLE, null);
376
377             // Delete the current bookmarks database.
378             context.deleteDatabase(BookmarksDatabaseHelper.BOOKMARKS_DATABASE);
379
380             // Create a new bookmarks database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
381             BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(context, null, null, 0);
382
383             // Move to the first bookmark.
384             importBookmarksCursor.moveToFirst();
385
386             // Copy the data from the import bookmarks cursor into the bookmarks database.
387             for (int i = 0; i < importBookmarksCursor.getCount(); i++) {
388                 // Extract the record from the cursor and store the data in a ContentValues.
389                 ContentValues bookmarksContentValues = new ContentValues();
390                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
391                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
392                 bookmarksContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
393                 bookmarksContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)));
394                 bookmarksContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)));
395                 bookmarksContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, importBookmarksCursor.getBlob(importBookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON)));
396
397                 // Insert the record into the export database.
398                 bookmarksDatabaseHelper.createBookmark(bookmarksContentValues);
399
400                 // Advance to the next record.
401                 importBookmarksCursor.moveToNext();
402             }
403
404             // Close the bookmarks cursor.
405             importBookmarksCursor.close();
406
407             // Close the bookmarks database.
408             bookmarksDatabaseHelper.close();
409
410
411             // Get a cursor for the domains table.
412             Cursor importDomainsCursor = importDatabase.rawQuery("SELECT * FROM " + DomainsDatabaseHelper.DOMAINS_TABLE + " ORDER BY " + DomainsDatabaseHelper.DOMAIN_NAME + " ASC", null);
413
414             // Delete the current domains database.
415             context.deleteDatabase(DomainsDatabaseHelper.DOMAINS_DATABASE);
416
417             // Create a new domains database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
418             DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0);
419
420             // Move to the first domain.
421             importDomainsCursor.moveToFirst();
422
423             // Copy the data from the import domains cursor into the domains database.
424             for (int i = 0; i < importDomainsCursor.getCount(); i++) {
425                 // Extract the record from the cursor and store the data in a ContentValues.
426                 ContentValues domainsContentValues = new ContentValues();
427                 domainsContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)));
428                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)));
429                 domainsContentValues.put(DomainsDatabaseHelper.COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.COOKIES)));
430                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)));
431                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)));
432                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)));
433                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)));
434                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST,
435                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)));
436                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST,
437                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)));
438                 domainsContentValues.put(DomainsDatabaseHelper.ULTRALIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ULTRALIST)));
439                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)));
440                 domainsContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS,
441                         importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)));
442                 domainsContentValues.put(DomainsDatabaseHelper.USER_AGENT, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
443                 domainsContentValues.put(DomainsDatabaseHelper.FONT_SIZE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
444                 domainsContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SWIPE_TO_REFRESH)));
445                 domainsContentValues.put(DomainsDatabaseHelper.WEBVIEW_THEME, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.WEBVIEW_THEME)));
446                 domainsContentValues.put(DomainsDatabaseHelper.WIDE_VIEWPORT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.WIDE_VIEWPORT)));
447                 domainsContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES)));
448                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)));
449                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)));
450                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)));
451                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT,
452                         importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)));
453                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)));
454                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)));
455                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT,
456                         importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)));
457                 domainsContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
458                 domainsContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
459                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)));
460                 domainsContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, importDomainsCursor.getString(importDomainsCursor.getColumnIndex(DomainsDatabaseHelper.IP_ADDRESSES)));
461
462                 // Insert the record into the export database.
463                 domainsDatabaseHelper.addDomain(domainsContentValues);
464
465                 // Advance to the next record.
466                 importDomainsCursor.moveToNext();
467             }
468
469             // Close the domains cursor.
470             importDomainsCursor.close();
471
472             // Close the domains database.
473             domainsDatabaseHelper.close();
474
475
476             // Get a cursor for the preferences table.
477             Cursor importPreferencesCursor = importDatabase.rawQuery("SELECT * FROM " + PREFERENCES_TABLE, null);
478
479             // Move to the first preference.
480             importPreferencesCursor.moveToFirst();
481
482             // Import the preference data.
483             sharedPreferences.edit()
484                     .putBoolean(JAVASCRIPT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(JAVASCRIPT)) == 1)
485                     .putBoolean(COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(COOKIES)) == 1)
486                     .putBoolean(DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DOM_STORAGE)) == 1)
487                     // Save form data can be removed once the minimum API >= 26.
488                     .putBoolean(SAVE_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SAVE_FORM_DATA)) == 1)
489                     .putString(USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(USER_AGENT)))
490                     .putString(CUSTOM_USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(CUSTOM_USER_AGENT)))
491                     .putBoolean(INCOGNITO_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(INCOGNITO_MODE)) == 1)
492                     .putBoolean(ALLOW_SCREENSHOTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ALLOW_SCREENSHOTS)) == 1)
493                     .putBoolean(EASYLIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(EASYLIST)) == 1)
494                     .putBoolean(EASYPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(EASYPRIVACY)) == 1)
495                     .putBoolean(FANBOYS_ANNOYANCE_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FANBOYS_ANNOYANCE_LIST)) == 1)
496                     .putBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FANBOYS_SOCIAL_BLOCKING_LIST)) == 1)
497                     .putBoolean(ULTRALIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ULTRALIST)) == 1)
498                     .putBoolean(ULTRAPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(ULTRAPRIVACY)) == 1)
499                     .putBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(BLOCK_ALL_THIRD_PARTY_REQUESTS)) == 1)
500                     .putBoolean(GOOGLE_ANALYTICS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(GOOGLE_ANALYTICS)) == 1)
501                     .putBoolean(FACEBOOK_CLICK_IDS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FACEBOOK_CLICK_IDS)) == 1)
502                     .putBoolean(TWITTER_AMP_REDIRECTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(TWITTER_AMP_REDIRECTS)) == 1)
503                     .putString(SEARCH, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(SEARCH)))
504                     .putString(SEARCH_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(SEARCH_CUSTOM_URL)))
505                     .putString(PROXY, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(PROXY)))
506                     .putString(PROXY_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(PROXY_CUSTOM_URL)))
507                     .putBoolean(FULL_SCREEN_BROWSING_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(FULL_SCREEN_BROWSING_MODE)) == 1)
508                     .putBoolean(HIDE_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(HIDE_APP_BAR)) == 1)
509                     .putBoolean(CLEAR_EVERYTHING, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_EVERYTHING)) == 1)
510                     .putBoolean(CLEAR_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_COOKIES)) == 1)
511                     .putBoolean(CLEAR_DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_DOM_STORAGE)) == 1)
512                     // Clear form data can be removed once the minimum API >= 26.
513                     .putBoolean(CLEAR_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_FORM_DATA)) == 1)
514                     .putBoolean(CLEAR_LOGCAT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_LOGCAT)) == 1)
515                     .putBoolean(CLEAR_CACHE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(CLEAR_CACHE)) == 1)
516                     .putString(HOMEPAGE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(HOMEPAGE)))
517                     .putString(FONT_SIZE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(FONT_SIZE)))
518                     .putBoolean(OPEN_INTENTS_IN_NEW_TAB, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(OPEN_INTENTS_IN_NEW_TAB)) == 1)
519                     .putBoolean(SWIPE_TO_REFRESH, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SWIPE_TO_REFRESH)) == 1)
520                     .putBoolean(DOWNLOAD_WITH_EXTERNAL_APP, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DOWNLOAD_WITH_EXTERNAL_APP)) == 1)
521                     .putBoolean(SCROLL_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(SCROLL_APP_BAR)) == 1)
522                     .putBoolean(BOTTOM_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(BOTTOM_APP_BAR)) == 1)
523                     .putBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DISPLAY_ADDITIONAL_APP_BAR_ICONS)) == 1)
524                     .putString(APP_THEME, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(APP_THEME)))
525                     .putString(WEBVIEW_THEME, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndex(WEBVIEW_THEME)))
526                     .putBoolean(WIDE_VIEWPORT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(WIDE_VIEWPORT)) == 1)
527                     .putBoolean(DISPLAY_WEBPAGE_IMAGES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndex(DISPLAY_WEBPAGE_IMAGES)) == 1)
528                     .apply();
529
530             // Close the preferences cursor.
531             importPreferencesCursor.close();
532
533             // Close the import database.
534             importDatabase.close();
535
536             // Delete the temporary import file database, journal, and other related auxiliary files.
537             SQLiteDatabase.deleteDatabase(temporaryImportFile);
538
539             // Import successful.
540             return IMPORT_SUCCESSFUL;
541         } catch (Exception exception) {
542             // Return the import error.
543             return exception.toString();
544         }
545     }
546
547     public String exportUnencrypted(OutputStream exportFileOutputStream, Context context) {
548         try {
549             // Create a temporary export file.
550             File temporaryExportFile = File.createTempFile("temporary_export_file", null, context.getCacheDir());
551
552             // Create the temporary export database.
553             SQLiteDatabase temporaryExportDatabase = SQLiteDatabase.openOrCreateDatabase(temporaryExportFile, null);
554
555             // Set the temporary export database version number.
556             temporaryExportDatabase.setVersion(SCHEMA_VERSION);
557
558
559             // Create the temporary export database bookmarks table.
560             temporaryExportDatabase.execSQL(BookmarksDatabaseHelper.CREATE_BOOKMARKS_TABLE);
561
562             // Open the bookmarks database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
563             BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(context, null, null, 0);
564
565             // Get a full bookmarks cursor.
566             Cursor bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarks();
567
568             // Move to the first bookmark.
569             bookmarksCursor.moveToFirst();
570
571             // Copy the data from the bookmarks cursor into the export database.
572             for (int i = 0; i < bookmarksCursor.getCount(); i++) {
573                 // Extract the record from the cursor and store the data in a ContentValues.
574                 ContentValues bookmarksContentValues = new ContentValues();
575                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
576                 bookmarksContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
577                 bookmarksContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
578                 bookmarksContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)));
579                 bookmarksContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)));
580                 bookmarksContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, bookmarksCursor.getBlob(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON)));
581
582                 // Insert the record into the temporary export database.
583                 temporaryExportDatabase.insert(BookmarksDatabaseHelper.BOOKMARKS_TABLE, null, bookmarksContentValues);
584
585                 // Advance to the next record.
586                 bookmarksCursor.moveToNext();
587             }
588
589             // Close the bookmarks database.
590             bookmarksCursor.close();
591             bookmarksDatabaseHelper.close();
592
593
594             // Create the temporary export database domains table.
595             temporaryExportDatabase.execSQL(DomainsDatabaseHelper.CREATE_DOMAINS_TABLE);
596
597             // Open the domains database.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
598             DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0);
599
600             // Get a full domains database cursor.
601             Cursor domainsCursor = domainsDatabaseHelper.getCompleteCursorOrderedByDomain();
602
603             // Move to the first domain.
604             domainsCursor.moveToFirst();
605
606             // Copy the data from the domains cursor into the export database.
607             for (int i = 0; i < domainsCursor.getCount(); i++) {
608                 // Extract the record from the cursor and store the data in a ContentValues.
609                 ContentValues domainsContentValues = new ContentValues();
610                 domainsContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)));
611                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)));
612                 domainsContentValues.put(DomainsDatabaseHelper.COOKIES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.COOKIES)));
613                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)));
614                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)));
615                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)));
616                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)));
617                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)));
618                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)));
619                 domainsContentValues.put(DomainsDatabaseHelper.ULTRALIST, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ULTRALIST)));
620                 domainsContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)));
621                 domainsContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)));
622                 domainsContentValues.put(DomainsDatabaseHelper.USER_AGENT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
623                 domainsContentValues.put(DomainsDatabaseHelper.FONT_SIZE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
624                 domainsContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SWIPE_TO_REFRESH)));
625                 domainsContentValues.put(DomainsDatabaseHelper.WEBVIEW_THEME, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.WEBVIEW_THEME)));
626                 domainsContentValues.put(DomainsDatabaseHelper.WIDE_VIEWPORT, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.WIDE_VIEWPORT)));
627                 domainsContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES)));
628                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)));
629                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)));
630                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)));
631                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)));
632                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)));
633                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)));
634                 domainsContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)));
635                 domainsContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, domainsCursor.getLong(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
636                 domainsContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, domainsCursor.getLong(domainsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
637                 domainsContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)));
638                 domainsContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, domainsCursor.getString(domainsCursor.getColumnIndex(DomainsDatabaseHelper.IP_ADDRESSES)));
639
640                 // Insert the record into the temporary export database.
641                 temporaryExportDatabase.insert(DomainsDatabaseHelper.DOMAINS_TABLE, null, domainsContentValues);
642
643                 // Advance to the next record.
644                 domainsCursor.moveToNext();
645             }
646
647             // Close the domains database.
648             domainsCursor.close();
649             domainsDatabaseHelper.close();
650
651
652             // Prepare the preferences table SQL creation string.
653             String CREATE_PREFERENCES_TABLE = "CREATE TABLE " + PREFERENCES_TABLE + " (" +
654                     _ID + " INTEGER PRIMARY KEY, " +
655                     JAVASCRIPT + " BOOLEAN, " +
656                     COOKIES + " BOOLEAN, " +
657                     DOM_STORAGE + " BOOLEAN, " +
658                     SAVE_FORM_DATA + " BOOLEAN, " +
659                     USER_AGENT + " TEXT, " +
660                     CUSTOM_USER_AGENT + " TEXT, " +
661                     INCOGNITO_MODE + " BOOLEAN, " +
662                     ALLOW_SCREENSHOTS + " BOOLEAN, " +
663                     EASYLIST + " BOOLEAN, " +
664                     EASYPRIVACY + " BOOLEAN, " +
665                     FANBOYS_ANNOYANCE_LIST + " BOOLEAN, " +
666                     FANBOYS_SOCIAL_BLOCKING_LIST + " BOOLEAN, " +
667                     ULTRALIST + " BOOLEAN, " +
668                     ULTRAPRIVACY + " BOOLEAN, " +
669                     BLOCK_ALL_THIRD_PARTY_REQUESTS + " BOOLEAN, " +
670                     GOOGLE_ANALYTICS + " BOOLEAN, " +
671                     FACEBOOK_CLICK_IDS + " BOOLEAN, " +
672                     TWITTER_AMP_REDIRECTS + " BOOLEAN, " +
673                     SEARCH + " TEXT, " +
674                     SEARCH_CUSTOM_URL + " TEXT, " +
675                     PROXY + " TEXT, " +
676                     PROXY_CUSTOM_URL + " TEXT, " +
677                     FULL_SCREEN_BROWSING_MODE + " BOOLEAN, " +
678                     HIDE_APP_BAR + " BOOLEAN, " +
679                     CLEAR_EVERYTHING + " BOOLEAN, " +
680                     CLEAR_COOKIES + " BOOLEAN, " +
681                     CLEAR_DOM_STORAGE + " BOOLEAN, " +
682                     CLEAR_FORM_DATA + " BOOLEAN, " +
683                     CLEAR_LOGCAT + " BOOLEAN, " +
684                     CLEAR_CACHE + " BOOLEAN, " +
685                     HOMEPAGE + " TEXT, " +
686                     FONT_SIZE + " TEXT, " +
687                     OPEN_INTENTS_IN_NEW_TAB + " BOOLEAN, " +
688                     SWIPE_TO_REFRESH + " BOOLEAN, " +
689                     DOWNLOAD_WITH_EXTERNAL_APP + " BOOLEAN, " +
690                     SCROLL_APP_BAR + " BOOLEAN, " +
691                     BOTTOM_APP_BAR + " BOOLEAN, " +
692                     DISPLAY_ADDITIONAL_APP_BAR_ICONS + " BOOLEAN, " +
693                     APP_THEME + " TEXT, " +
694                     WEBVIEW_THEME + " TEXT, " +
695                     WIDE_VIEWPORT + " BOOLEAN, " +
696                     DISPLAY_WEBPAGE_IMAGES + " BOOLEAN)";
697
698             // Create the temporary export database preferences table.
699             temporaryExportDatabase.execSQL(CREATE_PREFERENCES_TABLE);
700
701             // Get a handle for the shared preference.
702             SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
703
704             // Create a ContentValues with the preferences information.
705             ContentValues preferencesContentValues = new ContentValues();
706             preferencesContentValues.put(JAVASCRIPT, sharedPreferences.getBoolean(JAVASCRIPT, false));
707             preferencesContentValues.put(COOKIES, sharedPreferences.getBoolean(COOKIES, false));
708             preferencesContentValues.put(DOM_STORAGE, sharedPreferences.getBoolean(DOM_STORAGE, false));
709             preferencesContentValues.put(SAVE_FORM_DATA, sharedPreferences.getBoolean(SAVE_FORM_DATA, false));  // Save form data can be removed once the minimum API >= 26.
710             preferencesContentValues.put(USER_AGENT, sharedPreferences.getString(USER_AGENT, context.getString(R.string.user_agent_default_value)));
711             preferencesContentValues.put(CUSTOM_USER_AGENT, sharedPreferences.getString(CUSTOM_USER_AGENT, context.getString(R.string.custom_user_agent_default_value)));
712             preferencesContentValues.put(INCOGNITO_MODE, sharedPreferences.getBoolean(INCOGNITO_MODE, false));
713             preferencesContentValues.put(ALLOW_SCREENSHOTS, sharedPreferences.getBoolean(ALLOW_SCREENSHOTS, false));
714             preferencesContentValues.put(EASYLIST, sharedPreferences.getBoolean(EASYLIST, true));
715             preferencesContentValues.put(EASYPRIVACY, sharedPreferences.getBoolean(EASYPRIVACY, true));
716             preferencesContentValues.put(FANBOYS_ANNOYANCE_LIST, sharedPreferences.getBoolean(FANBOYS_ANNOYANCE_LIST, true));
717             preferencesContentValues.put(FANBOYS_SOCIAL_BLOCKING_LIST, sharedPreferences.getBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, true));
718             preferencesContentValues.put(ULTRALIST, sharedPreferences.getBoolean(ULTRALIST, true));
719             preferencesContentValues.put(ULTRAPRIVACY, sharedPreferences.getBoolean(ULTRAPRIVACY, true));
720             preferencesContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, sharedPreferences.getBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, false));
721             preferencesContentValues.put(GOOGLE_ANALYTICS, sharedPreferences.getBoolean(GOOGLE_ANALYTICS, true));
722             preferencesContentValues.put(FACEBOOK_CLICK_IDS, sharedPreferences.getBoolean(FACEBOOK_CLICK_IDS, true));
723             preferencesContentValues.put(TWITTER_AMP_REDIRECTS, sharedPreferences.getBoolean(TWITTER_AMP_REDIRECTS, true));
724             preferencesContentValues.put(SEARCH, sharedPreferences.getString(SEARCH, context.getString(R.string.search_default_value)));
725             preferencesContentValues.put(SEARCH_CUSTOM_URL, sharedPreferences.getString(SEARCH_CUSTOM_URL, context.getString(R.string.search_custom_url_default_value)));
726             preferencesContentValues.put(PROXY, sharedPreferences.getString(PROXY, context.getString(R.string.proxy_default_value)));
727             preferencesContentValues.put(PROXY_CUSTOM_URL, sharedPreferences.getString(PROXY_CUSTOM_URL, context.getString(R.string.proxy_custom_url_default_value)));
728             preferencesContentValues.put(FULL_SCREEN_BROWSING_MODE, sharedPreferences.getBoolean(FULL_SCREEN_BROWSING_MODE, false));
729             preferencesContentValues.put(HIDE_APP_BAR, sharedPreferences.getBoolean(HIDE_APP_BAR, true));
730             preferencesContentValues.put(CLEAR_EVERYTHING, sharedPreferences.getBoolean(CLEAR_EVERYTHING, true));
731             preferencesContentValues.put(CLEAR_COOKIES, sharedPreferences.getBoolean(CLEAR_COOKIES, true));
732             preferencesContentValues.put(CLEAR_DOM_STORAGE, sharedPreferences.getBoolean(CLEAR_DOM_STORAGE, true));
733             preferencesContentValues.put(CLEAR_FORM_DATA, sharedPreferences.getBoolean(CLEAR_FORM_DATA, true));  // Clear form data can be removed once the minimum API >= 26.
734             preferencesContentValues.put(CLEAR_LOGCAT, sharedPreferences.getBoolean(CLEAR_LOGCAT, true));
735             preferencesContentValues.put(CLEAR_CACHE, sharedPreferences.getBoolean(CLEAR_CACHE, true));
736             preferencesContentValues.put(HOMEPAGE, sharedPreferences.getString(HOMEPAGE, context.getString(R.string.homepage_default_value)));
737             preferencesContentValues.put(FONT_SIZE, sharedPreferences.getString(FONT_SIZE, context.getString(R.string.font_size_default_value)));
738             preferencesContentValues.put(OPEN_INTENTS_IN_NEW_TAB, sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true));
739             preferencesContentValues.put(SWIPE_TO_REFRESH, sharedPreferences.getBoolean(SWIPE_TO_REFRESH, true));
740             preferencesContentValues.put(DOWNLOAD_WITH_EXTERNAL_APP, sharedPreferences.getBoolean(DOWNLOAD_WITH_EXTERNAL_APP, false));
741             preferencesContentValues.put(SCROLL_APP_BAR, sharedPreferences.getBoolean(SCROLL_APP_BAR, true));
742             preferencesContentValues.put(BOTTOM_APP_BAR, sharedPreferences.getBoolean(BOTTOM_APP_BAR, false));
743             preferencesContentValues.put(DISPLAY_ADDITIONAL_APP_BAR_ICONS, sharedPreferences.getBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, false));
744             preferencesContentValues.put(APP_THEME, sharedPreferences.getString(APP_THEME, context.getString(R.string.app_theme_default_value)));
745             preferencesContentValues.put(WEBVIEW_THEME, sharedPreferences.getString(WEBVIEW_THEME, context.getString(R.string.webview_theme_default_value)));
746             preferencesContentValues.put(WIDE_VIEWPORT, sharedPreferences.getBoolean(WIDE_VIEWPORT, true));
747             preferencesContentValues.put(DISPLAY_WEBPAGE_IMAGES, sharedPreferences.getBoolean(DISPLAY_WEBPAGE_IMAGES, true));
748
749             // Insert the preferences into the temporary export database.
750             temporaryExportDatabase.insert(PREFERENCES_TABLE, null, preferencesContentValues);
751
752             // Close the temporary export database.
753             temporaryExportDatabase.close();
754
755
756             // Create the temporary export file input stream.
757             FileInputStream temporaryExportFileInputStream = new FileInputStream(temporaryExportFile);
758
759             // Create a byte array.
760             byte[] transferByteArray = new byte[1024];
761
762             // Create an integer to track the number of bytes read.
763             int bytesRead;
764
765             // Copy the temporary export file to the export file output stream.
766             while ((bytesRead = temporaryExportFileInputStream.read(transferByteArray)) > 0) {
767                 exportFileOutputStream.write(transferByteArray, 0, bytesRead);
768             }
769
770             // Flush the export file output stream.
771             exportFileOutputStream.flush();
772
773             // Close the file streams.
774             temporaryExportFileInputStream.close();
775             exportFileOutputStream.close();
776
777             // Delete the temporary export file database, journal, and other related auxiliary files.
778             SQLiteDatabase.deleteDatabase(temporaryExportFile);
779
780             // Export successful.
781             return EXPORT_SUCCESSFUL;
782         } catch (Exception exception) {
783             // Return the export error.
784             return exception.toString();
785         }
786     }
787 }