import android.webkit.SslErrorHandler;
import android.webkit.WebBackForwardList;
import android.webkit.WebChromeClient;
+import android.webkit.WebResourceResponse;
import android.webkit.WebStorage;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import com.stoutner.privacybrowser.dialogs.UrlHistory;
import com.stoutner.privacybrowser.dialogs.ViewSslCertificate;
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
+import java.util.HashSet;
import java.util.Map;
+import java.util.Set;
// We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21.
public class MainWebView extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener,
// `javaScriptEnabledSearchURL` is used in `loadURLFromTextBox()` and `applySettings()`.
private String javaScriptEnabledSearchURL;
+ // `adBlockerEnabled` is used in `onCreate()` and `applySettings()`.
+ private boolean adBlockerEnabled;
+
// `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applySettings()`.
private boolean fullScreenBrowsingModeEnabled;
// `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
private InputMethodManager inputMethodManager;
+ // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
+ private RelativeLayout mainWebViewRelativeLayout;
+
@Override
// Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. The whole premise of Privacy Browser is built around an understanding of these dangers.
@SuppressLint("SetJavaScriptEnabled")
// Get handles for views that need to be accessed.
drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout);
+ mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout);
mainWebView = (WebView) findViewById(R.id.mainWebView);
findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
// Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
- /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
- * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
- * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
- */
+ /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
+ * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
+ * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
+ */
rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
// Set `rootCoordinatorLayout` to fill the whole screen.
// drawerToggle creates the hamburger icon at the start of the AppBar.
drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
+ // Initialize `adServerSet`.
+ final Set<String> adServersSet = new HashSet<>();
+
+ // Load the list of ad servers into memory.
+ try {
+ // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
+ BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
+
+ // Create a string for storing each ad server.
+ String adServer;
+
+ // Populate `adServersSet`.
+ while ((adServer = bufferedReader.readLine()) != null) {
+ adServersSet.add(adServer);
+ }
+
+ // Close `bufferedReader`.
+ bufferedReader.close();
+ } catch (IOException ioException) {
+ // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
+ }
+
mainWebView.setWebViewClient(new WebViewClient() {
// `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
// We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
}
}
+ // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
+ @SuppressWarnings("deprecation")
+ @Override
+ public WebResourceResponse shouldInterceptRequest(WebView view, String url){
+ if (adBlockerEnabled) { // Block ads.
+ // Extract the host from `url`.
+ Uri requestUri = Uri.parse(url);
+ String requestHost = requestUri.getHost();
+
+ // Create a variable to track if this is an ad server.
+ boolean requestHostIsAdServer = false;
+
+ // Check all the subdomains of `requestHost`.
+ while (requestHost.contains(".")) {
+ if (adServersSet.contains(requestHost)) {
+ requestHostIsAdServer = true;
+ }
+
+ // Strip out the lowest subdomain of `requestHost`.
+ requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
+ }
+
+ if (requestHostIsAdServer) { // It is an ad server.
+ // Return an empty `WebResourceResponse`.
+ return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
+ } else { // It is not an ad server.
+ // `return null` loads the requested resource.
+ return null;
+ }
+ } else { // Ad blocking is disabled.
+ // `return null` loads the requested resource.
+ return null;
+ }
+ }
+
// Update the URL in urlTextBox when the page starts to load.
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
customHeaders.clear();
// Detach all views from `mainWebViewRelativeLayout`.
- RelativeLayout mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.mainWebViewRelativeLayout);
mainWebViewRelativeLayout.removeAllViews();
// Destroy the internal state of `mainWebView`.
String homepageString = sharedPreferences.getString("homepage", "https://www.duckduckgo.com");
String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh_enabled", false);
+ adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", true);
boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("enable_full_screen_browsing_mode", false);
projects / PrivacyBrowserAndroid.git / blobdiff