/*
- * Copyright © 2016-2017 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2016-2020 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
package com.stoutner.privacybrowser.dialogs;
import android.annotation.SuppressLint;
-import android.app.AlertDialog;
+import android.app.Activity;
import android.app.Dialog;
-import android.app.DialogFragment;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.Configuration;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
+import android.net.Uri;
import android.net.http.SslCertificate;
import android.os.Bundle;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.style.ForegroundColorSpan;
import android.view.LayoutInflater;
+import android.view.View;
+import android.view.WindowManager;
import android.widget.TextView;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.fragment.app.DialogFragment;
+import androidx.preference.PreferenceManager;
+
import com.stoutner.privacybrowser.activities.MainWebViewActivity;
import com.stoutner.privacybrowser.R;
+import com.stoutner.privacybrowser.fragments.WebViewTabFragment;
+import com.stoutner.privacybrowser.views.NestedScrollWebView;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;
-// `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
-@SuppressLint("InflateParams")
public class ViewSslCertificateDialog extends DialogFragment {
+ public static ViewSslCertificateDialog displayDialog(long webViewFragmentId) {
+ // Create an arguments bundle.
+ Bundle argumentsBundle = new Bundle();
+
+ // Store the WebView fragment ID in the bundle.
+ argumentsBundle.putLong("webview_fragment_id", webViewFragmentId);
+
+ // Create a new instance of the dialog.
+ ViewSslCertificateDialog viewSslCertificateDialog = new ViewSslCertificateDialog();
+
+ // Add the bundle to the dialog.
+ viewSslCertificateDialog.setArguments(argumentsBundle);
+
+ // Return the new dialog.
+ return viewSslCertificateDialog;
+ }
+
+ // `@SuppressLint("InflateParams")` removes the warning about using `null` as the parent view group when inflating the alert dialog.
+ @SuppressLint("InflateParams")
+ @Override
+ @NonNull
public Dialog onCreateDialog(Bundle savedInstanceState) {
+ // Get a handle for the activity and the context.
+ Activity activity = requireActivity();
+ Context context = requireContext();
+
// Get the activity's layout inflater.
- LayoutInflater layoutInflater = getActivity().getLayoutInflater();
+ LayoutInflater layoutInflater = activity.getLayoutInflater();
+
+ // Get the arguments.
+ Bundle arguments = getArguments();
+
+ // Remove the incorrect lint warning below that the arguments might be null.
+ assert arguments != null;
+
+ // Get the current position of this WebView fragment.
+ int webViewPosition = MainWebViewActivity.webViewPagerAdapter.getPositionForId(arguments.getLong("webview_fragment_id"));
+
+ // Get the WebView tab fragment.
+ WebViewTabFragment webViewTabFragment = MainWebViewActivity.webViewPagerAdapter.getPageFragment(webViewPosition);
+
+ // Get the fragment view.
+ View fragmentView = webViewTabFragment.getView();
+
+ // Remove the incorrect lint warning below that the fragment view might be null.
+ assert fragmentView != null;
+
+ // Get a handle for the current WebView.
+ NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview);
+
+
+ // Use a builder to create the alert dialog.
+ AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialog);
// Create a drawable version of the favorite icon.
- Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), MainWebViewActivity.favoriteIconBitmap);
+ Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), nestedScrollWebView.getFavoriteOrDefaultIcon());
- // Use `AlertDialog.Builder` to create the `AlertDialog`. `R.style.LightAlertDialog` formats the color of the button text.
- AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
+ // Set the icon.
dialogBuilder.setIcon(favoriteIconDrawable);
- // Set an `onClick` listener on the negative button. Using `null` closes the dialog without doing anything else.
+ // Set the close button listener. Using `null` as the listener closes the dialog without doing anything else.
dialogBuilder.setNegativeButton(R.string.close, null);
+ // Get the SSL certificate.
+ SslCertificate sslCertificate = nestedScrollWebView.getCertificate();
+
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+
+ // Get the screenshot preference.
+ boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
+
// Check to see if the website is encrypted.
- if (MainWebViewActivity.sslCertificate == null) { // The website is not encrypted.
+ if (sslCertificate == null) { // The website is not encrypted.
// Set the title.
dialogBuilder.setTitle(R.string.unencrypted_website);
- // Set the Layout. The parent view is `null` because it will be assigned by `AlertDialog`.
- dialogBuilder.setView(layoutInflater.inflate(R.layout.unencrypted_website, null));
+ // Set the Layout. The parent view is `null` because it will be assigned by the alert dialog.
+ dialogBuilder.setView(layoutInflater.inflate(R.layout.unencrypted_website_dialog, null));
- // Create an `AlertDialog` from the `AlertDialog.Builder`
+ // Create an alert dialog from the alert dialog builder.
final AlertDialog alertDialog = dialogBuilder.create();
- // Show `alertDialog`.
- alertDialog.show();
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ // Remove the warning below that `getWindow()` might be null.
+ assert alertDialog.getWindow() != null;
+
+ // Disable screenshots.
+ alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
// `onCreateDialog` requires the return of an `AlertDialog`.
return alertDialog;
-
} else { // Display the SSL certificate information
// Set the title.
dialogBuilder.setTitle(R.string.ssl_certificate);
- // Set the layout. The parent view is `null` because it will be assigned by `AlertDialog`.
- dialogBuilder.setView(layoutInflater.inflate(R.layout.view_ssl_certificate, null));
+ // Set the layout. The parent view is `null` because it will be assigned by the alert dialog.
+ dialogBuilder.setView(layoutInflater.inflate(R.layout.view_ssl_certificate_dialog, null));
- // Create an `AlertDialog` from the `AlertDialog.Builder`
+ // Create an alert dialog from the builder.
final AlertDialog alertDialog = dialogBuilder.create();
- // We need to show the `AlertDialog` before we can modify items in the layout.
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ // Remove the warning below that `getWindow()` might be null.
+ assert alertDialog.getWindow() != null;
+
+ // Disable screenshots.
+ alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
+
+ // The alert dialog must be shown before items in the layout can be modified.
alertDialog.show();
- // Get handles for the `TextViews`.
- TextView issuedToCNameTextView = (TextView) alertDialog.findViewById(R.id.issued_to_cname);
- TextView issuedToONameTextView = (TextView) alertDialog.findViewById(R.id.issued_to_oname);
- TextView issuedToUNameTextView = (TextView) alertDialog.findViewById(R.id.issued_to_uname);
- TextView issuedByCNameTextView = (TextView) alertDialog.findViewById(R.id.issued_by_cname);
- TextView issuedByONameTextView = (TextView) alertDialog.findViewById(R.id.issued_by_oname);
- TextView issuedByUNameTextView = (TextView) alertDialog.findViewById(R.id.issued_by_uname);
- TextView startDateTextView = (TextView) alertDialog.findViewById(R.id.start_date);
- TextView endDateTextView = (TextView) alertDialog.findViewById(R.id.end_date);
+ // Get handles for the text views.
+ TextView domainTextView = alertDialog.findViewById(R.id.domain);
+ TextView ipAddressesTextView = alertDialog.findViewById(R.id.ip_addresses);
+ TextView issuedToCNameTextView = alertDialog.findViewById(R.id.issued_to_cname);
+ TextView issuedToONameTextView = alertDialog.findViewById(R.id.issued_to_oname);
+ TextView issuedToUNameTextView = alertDialog.findViewById(R.id.issued_to_uname);
+ TextView issuedByCNameTextView = alertDialog.findViewById(R.id.issued_by_cname);
+ TextView issuedByONameTextView = alertDialog.findViewById(R.id.issued_by_oname);
+ TextView issuedByUNameTextView = alertDialog.findViewById(R.id.issued_by_uname);
+ TextView startDateTextView = alertDialog.findViewById(R.id.start_date);
+ TextView endDateTextView = alertDialog.findViewById(R.id.end_date);
+
+ // Remove the incorrect warning that the views might be null.
+ assert domainTextView != null;
+ assert ipAddressesTextView != null;
+ assert issuedToCNameTextView != null;
+ assert issuedToONameTextView != null;
+ assert issuedToUNameTextView != null;
+ assert issuedByCNameTextView != null;
+ assert issuedByONameTextView != null;
+ assert issuedByUNameTextView != null;
+ assert startDateTextView != null;
+ assert endDateTextView != null;
// Setup the labels.
+ String domainLabel = getString(R.string.domain_label) + " ";
+ String ipAddressesLabel = getString(R.string.ip_addresses) + " ";
String cNameLabel = getString(R.string.common_name) + " ";
String oNameLabel = getString(R.string.organization) + " ";
String uNameLabel = getString(R.string.organizational_unit) + " ";
String startDateLabel = getString(R.string.start_date) + " ";
String endDateLabel = getString(R.string.end_date) + " ";
- // Get the SSL certificate.
- SslCertificate sslCertificate = MainWebViewActivity.sslCertificate;
+ // Convert the formatted URL string to a URI.
+ Uri uri = Uri.parse(nestedScrollWebView.getUrl());
+
+ // Extract the domain name from the URI.
+ String domainString = uri.getHost();
// Get the strings from the SSL certificate.
- String issuedToCNameString = sslCertificate.getIssuedTo().getCName();
- String issuedToONameString = sslCertificate.getIssuedTo().getOName();
- String issuedToUNameString = sslCertificate.getIssuedTo().getUName();
- String issuedByCNameString = sslCertificate.getIssuedBy().getCName();
- String issuedByONameString = sslCertificate.getIssuedBy().getOName();
- String issuedByUNameString = sslCertificate.getIssuedBy().getUName();
+ String issuedToCName = sslCertificate.getIssuedTo().getCName();
+ String issuedToOName = sslCertificate.getIssuedTo().getOName();
+ String issuedToUName = sslCertificate.getIssuedTo().getUName();
+ String issuedByCName = sslCertificate.getIssuedBy().getCName();
+ String issuedByOName = sslCertificate.getIssuedBy().getOName();
+ String issuedByUName = sslCertificate.getIssuedBy().getUName();
Date startDate = sslCertificate.getValidNotBeforeDate();
Date endDate = sslCertificate.getValidNotAfterDate();
- // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text.
- SpannableStringBuilder issuedToCNameStringBuilder = new SpannableStringBuilder(cNameLabel + issuedToCNameString);
- SpannableStringBuilder issuedToONameStringBuilder = new SpannableStringBuilder(oNameLabel + issuedToONameString);
- SpannableStringBuilder issuedToUNameStringBuilder = new SpannableStringBuilder(uNameLabel + issuedToUNameString);
- SpannableStringBuilder issuedByCNameStringBuilder = new SpannableStringBuilder(cNameLabel + issuedByCNameString);
- SpannableStringBuilder issuedByONameStringBuilder = new SpannableStringBuilder(oNameLabel + issuedByONameString);
- SpannableStringBuilder issuedByUNameStringBuilder = new SpannableStringBuilder(uNameLabel + issuedByUNameString);
+ // Create spannable string builders for each text view that needs multiple colors of text.
+ SpannableStringBuilder domainStringBuilder = new SpannableStringBuilder(domainLabel + domainString);
+ SpannableStringBuilder ipAddressesStringBuilder = new SpannableStringBuilder(ipAddressesLabel + nestedScrollWebView.getCurrentIpAddresses());
+ SpannableStringBuilder issuedToCNameStringBuilder = new SpannableStringBuilder(cNameLabel + issuedToCName);
+ SpannableStringBuilder issuedToONameStringBuilder = new SpannableStringBuilder(oNameLabel + issuedToOName);
+ SpannableStringBuilder issuedToUNameStringBuilder = new SpannableStringBuilder(uNameLabel + issuedToUName);
+ SpannableStringBuilder issuedByCNameStringBuilder = new SpannableStringBuilder(cNameLabel + issuedByCName);
+ SpannableStringBuilder issuedByONameStringBuilder = new SpannableStringBuilder(oNameLabel + issuedByOName);
+ SpannableStringBuilder issuedByUNameStringBuilder = new SpannableStringBuilder(uNameLabel + issuedByUName);
SpannableStringBuilder startDateStringBuilder = new SpannableStringBuilder(startDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(startDate));
SpannableStringBuilder endDateStringBuilder = new SpannableStringBuilder(endDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(endDate));
- // Create a blue `ForegroundColorSpan`. We have to use the deprecated `getColor` until API >= 23.
- @SuppressWarnings("deprecation") ForegroundColorSpan blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
- @SuppressWarnings("deprecation") ForegroundColorSpan redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
+ // Define the color spans.
+ ForegroundColorSpan blueColorSpan;
+ ForegroundColorSpan redColorSpan;
+
+ // Get the current theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Set the color spans according to the theme. The deprecated `getResources()` must be used until the minimum API >= 23.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) {
+ blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.violet_500));
+ redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_900));
+ } else {
+ blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
+ redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
+ }
+
+ // Remove the incorrect lint error that `.equals` might produce a NullPointerException.
+ assert domainString != null;
+
+ // Formet the domain string and issued to CName colors.
+ if (domainString.equals(issuedToCName)) { // `domainString` and `issuedToCName` match.
+ // Set the strings to be blue.
+ domainStringBuilder.setSpan(blueColorSpan, domainLabel.length(), domainStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ issuedToCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), issuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ } else if(issuedToCName.startsWith("*.")){ // `issuedToCName` begins with a wildcard.
+ // Remove the initial `*.`.
+ String baseCertificateDomain = issuedToCName.substring(2);
+
+ // Setup a copy of `domainString` to test subdomains.
+ String domainStringSubdomain = domainString;
+
+ // Initialize `domainNamesMatch`.
+ boolean domainNamesMatch = false;
- // Setup the spans to display the certificate information in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
- issuedToCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), issuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ // Check all the subdomains in `domainStringSubdomain` against `baseCertificateDomain`.
+ while (!domainNamesMatch && domainStringSubdomain.contains(".")) { // Stop checking if we know that `domainNamesMatch` is `true` or if we run out of `.`.
+ // Test the `domainStringSubdomain` against `baseCertificateDomain`.
+ if (domainStringSubdomain.equals(baseCertificateDomain)) {
+ domainNamesMatch = true;
+ }
+
+ // Strip out the lowest subdomain of `certificateCommonNameSubdomain`.
+ domainStringSubdomain = domainStringSubdomain.substring(domainStringSubdomain.indexOf(".") + 1);
+ }
+
+ // Format the domain and issued to Common Name according to `domainNamesMatch`.
+ if (domainNamesMatch) { // `domainString` is a subdomain of the wildcard `issuedToCNameString`.
+ // Set the strings to be blue.
+ domainStringBuilder.setSpan(blueColorSpan, domainLabel.length(), domainStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ issuedToCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), issuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ } else { // `domainString` is not a subdomain of the wildcard `issuedToCNameString`.
+ // Set the string to be red.
+ domainStringBuilder.setSpan(redColorSpan, domainLabel.length(), domainStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ issuedToCNameStringBuilder.setSpan(redColorSpan, cNameLabel.length(), issuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ }
+ } else { // The strings do not match and `issuedToCNameString` does not begin with a wildcard.
+ // Set the strings to be red.
+ domainStringBuilder.setSpan(redColorSpan, domainLabel.length(), domainStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ issuedToCNameStringBuilder.setSpan(redColorSpan, cNameLabel.length(), issuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ }
+
+ // Set the IP addresses, issued to, and issued by spans to display the certificate information in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
+ ipAddressesStringBuilder.setSpan(blueColorSpan, ipAddressesLabel.length(), ipAddressesStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
issuedToONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), issuedToONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
issuedToUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), issuedToUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
issuedByCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), issuedByCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
issuedByONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), issuedByONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
issuedByUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), issuedByUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ // Get the current date.
Date currentDate = Calendar.getInstance().getTime();
// Format the start date color. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
}
// Display the strings.
+ domainTextView.setText(domainStringBuilder);
+ ipAddressesTextView.setText(ipAddressesStringBuilder);
issuedToCNameTextView.setText(issuedToCNameStringBuilder);
issuedToONameTextView.setText(issuedToONameStringBuilder);
issuedToUNameTextView.setText(issuedToUNameStringBuilder);
startDateTextView.setText(startDateStringBuilder);
endDateTextView.setText(endDateStringBuilder);
- // `onCreateDialog` requires the return of an `AlertDialog`.
+ // `onCreateDialog` requires the return of an alert dialog.
return alertDialog;
}
}
-}
+}
\ No newline at end of file