/*
- * Copyright 2016-2017 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2016-2019 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.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
+import android.net.Uri;
import android.net.http.SslCertificate;
import android.net.http.SslError;
+import android.os.AsyncTask;
import android.os.Bundle;
import android.support.annotation.NonNull;
-// We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <= 22.
+// `AppCompatDialogFragment` is used instead of `DialogFragment` to avoid an error on API <=22.
import android.support.v7.app.AppCompatDialogFragment;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.style.ForegroundColorSpan;
import android.view.LayoutInflater;
+import android.view.WindowManager;
import android.widget.TextView;
import com.stoutner.privacybrowser.R;
+import com.stoutner.privacybrowser.activities.MainWebViewActivity;
+import java.lang.ref.WeakReference;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
import java.text.DateFormat;
import java.util.Date;
public class SslCertificateErrorDialog extends AppCompatDialogFragment {
+ // `sslCertificateErrorListener` is used in `onAttach` and `onCreateDialog`.
+ private SslCertificateErrorListener sslCertificateErrorListener;
+
+ // The public interface is used to send information back to the parent activity.
+ public interface SslCertificateErrorListener {
+ void onSslErrorCancel();
- private int primaryErrorInt;
- private String urlWithError;
- private String issuedToCName;
- private String issuedToOName;
- private String issuedToUName;
- private String issuedByCName;
- private String issuedByOName;
- private String issuedByUName;
- private String startDate;
- private String endDate;
+ void onSslErrorProceed();
+ }
+
+ public void onAttach(Context context) {
+ // Run the default commands.
+ super.onAttach(context);
+
+ // Get a handle for `SslCertificateErrorListener` from the launching context.
+ sslCertificateErrorListener = (SslCertificateErrorListener) context;
+ }
public static SslCertificateErrorDialog displayDialog(SslError error) {
// Get the various components of the SSL error message.
return thisSslCertificateErrorDialog;
}
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
-
- // Save the components of the SSL error message in class variables.
- primaryErrorInt = getArguments().getInt("PrimaryErrorInt");
- urlWithError = getArguments().getString("UrlWithError");
- issuedToCName = getArguments().getString("IssuedToCName");
- issuedToOName = getArguments().getString("IssuedToOName");
- issuedToUName = getArguments().getString("IssuedToUName");
- issuedByCName = getArguments().getString("IssuedByCName");
- issuedByOName = getArguments().getString("IssuedByOName");
- issuedByUName = getArguments().getString("IssuedByUName");
- startDate = getArguments().getString("StartDate");
- endDate = getArguments().getString("EndDate");
- }
-
- // The public interface is used to send information back to the parent activity.
- public interface SslCertificateErrorListener {
- void onSslErrorCancel();
-
- void onSslErrorProceed();
- }
-
- // `sslCertificateErrorListener` is used in `onAttach` and `onCreateDialog`.
- private SslCertificateErrorListener sslCertificateErrorListener;
-
- // Check to make sure that the parent activity implements the listener.
- public void onAttach(Context context) {
- super.onAttach(context);
-
- try {
- sslCertificateErrorListener = (SslCertificateErrorListener) context;
- } catch(ClassCastException exception) {
- throw new ClassCastException(context.toString() + " must implement SslCertificateErrorListener");
- }
- }
-
// `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
@SuppressLint("InflateParams")
@SuppressWarnings("deprecation")
@Override
@NonNull
public Dialog onCreateDialog(Bundle savedInstanceState) {
+ // Remove the incorrect lint warning that `getArguments()` might be null.
+ assert getArguments() != null;
+
+ // Get the components of the SSL error message from the bundle.
+ int primaryErrorInt = getArguments().getInt("PrimaryErrorInt");
+ String urlWithErrors = getArguments().getString("UrlWithError");
+ String issuedToCName = getArguments().getString("IssuedToCName");
+ String issuedToOName = getArguments().getString("IssuedToOName");
+ String issuedToUName = getArguments().getString("IssuedToUName");
+ String issuedByCName = getArguments().getString("IssuedByCName");
+ String issuedByOName = getArguments().getString("IssuedByOName");
+ String issuedByUName = getArguments().getString("IssuedByUName");
+ String startDate = getArguments().getString("StartDate");
+ String endDate = getArguments().getString("EndDate");
+
+ // Remove the incorrect lint warning that `getActivity()` might be null.
+ assert getActivity() != null;
+
// Get the activity's layout inflater.
LayoutInflater layoutInflater = getActivity().getLayoutInflater();
- // 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);
+ // Use an alert dialog builder to create the alert dialog.
+ AlertDialog.Builder dialogBuilder;
+
+ // Set the style and icon according to the theme.
+ if (MainWebViewActivity.darkTheme) {
+ // Set the style.
+ dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
+
+ // Set the icon.
+ dialogBuilder.setIcon(R.drawable.ssl_certificate_enabled_dark);
+ } else {
+ // Set the style.
+ dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
+
+ // Set the icon.
+ dialogBuilder.setIcon(R.drawable.ssl_certificate_enabled_light);
+ }
+
+ // Set the title.
dialogBuilder.setTitle(R.string.ssl_certificate_error);
- // The parent view is `null` because it will be assigned by `AlertDialog`.
+
+ // Set the view. The parent view is `null` because it will be assigned by `AlertDialog`.
dialogBuilder.setView(layoutInflater.inflate(R.layout.ssl_certificate_error, null));
- // Set an `onClick` listener on the negative button. `null` doesn't do anything extra when the button is pressed. The `Dialog` will automatically close.
- dialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- sslCertificateErrorListener.onSslErrorCancel();
- }
- });
+ // Set a listener on the negative button.
+ dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> sslCertificateErrorListener.onSslErrorCancel());
- // Set an `onClick` listener on the positive button.
- dialogBuilder.setPositiveButton(R.string.proceed, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- sslCertificateErrorListener.onSslErrorProceed();
- }
- });
+ // Set a listener on the positive button.
+ dialogBuilder.setPositiveButton(R.string.proceed, (DialogInterface dialog, int which) -> sslCertificateErrorListener.onSslErrorProceed());
- // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ // Create an alert dialog from the alert dialog builder.
AlertDialog alertDialog = dialogBuilder.create();
- // We have to show the `AlertDialog` before we can modify the content.
+ // Disable screenshots if not allowed.
+ if (!MainWebViewActivity.allowScreenshots) {
+ // Remove the warning below that `getWindow()` might be null.
+ assert alertDialog.getWindow() != null;
+
+ // Disable screenshots.
+ alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
+
+ // Get a URI for the URL with errors.
+ Uri uriWithErrors = Uri.parse(urlWithErrors);
+
+ // Get the IP addresses for the URI.
+ new GetIpAddresses(getActivity(), alertDialog).execute(uriWithErrors.getHost());
+
+ // The alert dialog must be shown before the contents can be modified.
alertDialog.show();
// Get handles for the `TextViews`
- TextView primaryErrorTextView = (TextView) alertDialog.findViewById(R.id.primary_error);
- TextView urlTextView = (TextView) alertDialog.findViewById(R.id.url_error_dialog);
- TextView issuedToCNameTextView = (TextView) alertDialog.findViewById(R.id.issued_to_cname_error_dialog);
- TextView issuedToONameTextView = (TextView) alertDialog.findViewById(R.id.issued_to_oname_error_dialog);
- TextView issuedToUNameTextView = (TextView) alertDialog.findViewById(R.id.issued_to_uname_error_dialog);
- TextView issuedByTextView = (TextView) alertDialog.findViewById(R.id.issued_by_textview);
- TextView issuedByCNameTextView = (TextView) alertDialog.findViewById(R.id.issued_by_cname_error_dialog);
- TextView issuedByONameTextView = (TextView) alertDialog.findViewById(R.id.issued_by_oname_error_dialog);
- TextView issuedByUNameTextView = (TextView) alertDialog.findViewById(R.id.issued_by_uname_error_dialog);
- TextView validDatesTextView = (TextView) alertDialog.findViewById(R.id.valid_dates_textview);
- TextView startDateTextView = (TextView) alertDialog.findViewById(R.id.start_date_error_dialog);
- TextView endDateTextView = (TextView) alertDialog.findViewById(R.id.end_date_error_dialog);
+ TextView primaryErrorTextView = alertDialog.findViewById(R.id.primary_error);
+ TextView urlTextView = alertDialog.findViewById(R.id.url);
+ 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 issuedByTextView = alertDialog.findViewById(R.id.issued_by_textview);
+ 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 validDatesTextView = alertDialog.findViewById(R.id.valid_dates_textview);
+ TextView startDateTextView = alertDialog.findViewById(R.id.start_date);
+ TextView endDateTextView = alertDialog.findViewById(R.id.end_date);
// Setup the common strings.
String urlLabel = getString(R.string.url_label) + " ";
String startDateLabel = getString(R.string.start_date) + " ";
String endDateLabel = getString(R.string.end_date) + " ";
- // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text.
- SpannableStringBuilder urlStringBuilder = new SpannableStringBuilder(urlLabel + urlWithError);
+ // Create a spannable string builder for each text view that needs multiple colors of text.
+ SpannableStringBuilder urlStringBuilder = new SpannableStringBuilder(urlLabel + urlWithErrors);
SpannableStringBuilder issuedToCNameStringBuilder = new SpannableStringBuilder(cNameLabel + issuedToCName);
SpannableStringBuilder issuedToONameStringBuilder = new SpannableStringBuilder(oNameLabel + issuedToOName);
SpannableStringBuilder issuedToUNameStringBuilder = new SpannableStringBuilder(uNameLabel + issuedToUName);
SpannableStringBuilder startDateStringBuilder = new SpannableStringBuilder(startDateLabel + startDate);
SpannableStringBuilder endDateStringBuilder = new SpannableStringBuilder((endDateLabel + endDate));
- // Create the `ForegroundColorSpan`. We have to use the deprecated `getColor` until API >= 23.
- ForegroundColorSpan blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
- ForegroundColorSpan redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
+ // Create a red foreground color span. The deprecated `getResources().getColor` must be used until the minimum API >= 23.
+ @SuppressWarnings("deprecation") ForegroundColorSpan redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
+
+ // Create a blue `ForegroundColorSpan`.
+ ForegroundColorSpan blueColorSpan;
+
+ // Set a blue color span according to the theme. The deprecated `getResources().getColor` must be used until the minimum API >= 23.
+ if (MainWebViewActivity.darkTheme) {
+ //noinspection deprecation
+ blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_400));
+ } else {
+ //noinspection deprecation
+ blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
+ }
// Setup the spans to display the certificate information in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
urlStringBuilder.setSpan(blueColorSpan, urlLabel.length(), urlStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
break;
case SslError.SSL_UNTRUSTED:
- // Change the `issuesByTextView` text to red. We have to use the deprecated `getColor()` until API >= 23.
+ // Change the issued by text view text to red. The deprecated `getResources().getColor` must be used until the minimum API >= 23.
issuedByTextView.setTextColor(getResources().getColor(R.color.red_a700));
// Change the issued by span color to red.
break;
case SslError.SSL_DATE_INVALID:
- // Change the `validDatesTextView` text to red. We have to use the deprecated `getColor()` until API >= 23.
+ // Change the valid dates text view text to red. The deprecated `getResources().getColor` must be used until the minimum API >= 23.
validDatesTextView.setTextColor(getResources().getColor(R.color.red_a700));
// Change the date span colors to red.
startDateTextView.setText(startDateStringBuilder);
endDateTextView.setText(endDateStringBuilder);
- // `onCreateDialog` requires the return of an `AlertDialog`.
+ // `onCreateDialog` requires the return of an alert dialog.
return alertDialog;
}
+
+
+ // This must run asynchronously because it involves a network request. `String` declares the parameters. `Void` does not declare progress units. `SpannableStringBuilder` contains the results.
+ private static class GetIpAddresses extends AsyncTask<String, Void, SpannableStringBuilder> {
+ // The weak references are used to determine if the activity or the alert dialog have disappeared while the AsyncTask is running.
+ private WeakReference<Activity> activityWeakReference;
+ private WeakReference<AlertDialog> alertDialogWeakReference;
+
+ GetIpAddresses(Activity activity, AlertDialog alertDialog) {
+ // Populate the weak references.
+ activityWeakReference = new WeakReference<>(activity);
+ alertDialogWeakReference = new WeakReference<>(alertDialog);
+ }
+
+ @Override
+ protected SpannableStringBuilder doInBackground(String... domainName) {
+ // Get handles for the activity and the alert dialog.
+ Activity activity = activityWeakReference.get();
+ AlertDialog alertDialog = alertDialogWeakReference.get();
+
+ // Abort if the activity or the dialog is gone.
+ if ((activity == null) || (activity.isFinishing()) || (alertDialog == null)) {
+ return new SpannableStringBuilder();
+ }
+
+ // Initialize an IP address string builder.
+ StringBuilder ipAddresses = new StringBuilder();
+
+ // Get an array with the IP addresses for the host.
+ try {
+ // Get an array with all the IP addresses for the domain.
+ InetAddress[] inetAddressesArray = InetAddress.getAllByName(domainName[0]);
+
+ // Add each IP address to the string builder.
+ for (InetAddress inetAddress : inetAddressesArray) {
+ if (ipAddresses.length() == 0) { // This is the first IP address.
+ // Add the IP Address to the string builder.
+ ipAddresses.append(inetAddress.getHostAddress());
+ } else { // This is not the first IP address.
+ // Add a line break to the string builder first.
+ ipAddresses.append("\n");
+
+ // Add the IP address to the string builder.
+ ipAddresses.append(inetAddress.getHostAddress());
+ }
+ }
+ } catch (UnknownHostException exception) {
+ // Do nothing.
+ }
+
+ // Set the label.
+ String ipAddressesLabel = activity.getString(R.string.ip_addresses) + " ";
+
+ // Create a spannable string builder.
+ SpannableStringBuilder ipAddressesStringBuilder = new SpannableStringBuilder(ipAddressesLabel + ipAddresses);
+
+ // Create a blue foreground color span.
+ ForegroundColorSpan blueColorSpan;
+
+ // Set the blue color span according to the theme. The deprecated `getColor()` must be used until the minimum API >= 23.
+ if (MainWebViewActivity.darkTheme) {
+ //noinspection deprecation
+ blueColorSpan = new ForegroundColorSpan(activity.getResources().getColor(R.color.blue_400));
+ } else {
+ //noinspection deprecation
+ blueColorSpan = new ForegroundColorSpan(activity.getResources().getColor(R.color.blue_700));
+ }
+
+ // Set the string builder 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);
+
+ // Return the formatted string.
+ return ipAddressesStringBuilder;
+ }
+
+ // `onPostExecute()` operates on the UI thread.
+ @Override
+ protected void onPostExecute(SpannableStringBuilder ipAddresses) {
+ // Get handles for the activity and the alert dialog.
+ Activity activity = activityWeakReference.get();
+ AlertDialog alertDialog = alertDialogWeakReference.get();
+
+ // Abort if the activity or the alert dialog is gone.
+ if ((activity == null) || (activity.isFinishing()) || (alertDialog == null)) {
+ return;
+ }
+
+ // Get a handle for the IP addresses text view.
+ TextView ipAddressesTextView = alertDialog.findViewById(R.id.ip_addresses);
+
+ // Populate the IP addresses text view.
+ ipAddressesTextView.setText(ipAddresses);
+ }
+ }
}
projects / PrivacyBrowserAndroid.git / blobdiff