--- /dev/null
+/*
+ * Copyright 2016-2017 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Privacy Browser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser.dialogs;
+
+import android.annotation.SuppressLint;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.net.http.SslCertificate;
+import android.net.http.SslError;
+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.
+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.widget.TextView;
+
+import com.stoutner.privacybrowser.R;
+
+import java.text.DateFormat;
+import java.util.Date;
+
+public class SslCertificateErrorDialog extends AppCompatDialogFragment {
+
+ private String primaryError;
+ 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;
+
+ public static SslCertificateErrorDialog displayDialog(SslError error) {
+ // Get the various components of the SSL error message.
+ int primaryErrorIntForBundle = error.getPrimaryError();
+ String urlWithErrorForBundle = error.getUrl();
+ SslCertificate sslCertificate = error.getCertificate();
+ String issuedToCNameForBundle = sslCertificate.getIssuedTo().getCName();
+ String issuedToONameForBundle = sslCertificate.getIssuedTo().getOName();
+ String issuedToUNameForBundle = sslCertificate.getIssuedTo().getUName();
+ String issuedByCNameForBundle = sslCertificate.getIssuedBy().getCName();
+ String issuedByONameForBundle = sslCertificate.getIssuedBy().getOName();
+ String issuedByUNameForBundle = sslCertificate.getIssuedBy().getUName();
+ Date startDateForBundle = sslCertificate.getValidNotBeforeDate();
+ Date endDateForBundle = sslCertificate.getValidNotAfterDate();
+
+ // Store the SSL error message components in a `Bundle`.
+ Bundle argumentsBundle = new Bundle();
+ argumentsBundle.putInt("PrimaryErrorInt", primaryErrorIntForBundle);
+ argumentsBundle.putString("UrlWithError", urlWithErrorForBundle);
+ argumentsBundle.putString("IssuedToCName", issuedToCNameForBundle);
+ argumentsBundle.putString("IssuedToOName", issuedToONameForBundle);
+ argumentsBundle.putString("IssuedToUName", issuedToUNameForBundle);
+ argumentsBundle.putString("IssuedByCName", issuedByCNameForBundle);
+ argumentsBundle.putString("IssuedByOName", issuedByONameForBundle);
+ argumentsBundle.putString("IssuedByUName", issuedByUNameForBundle);
+ argumentsBundle.putString("StartDate", DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(startDateForBundle));
+ argumentsBundle.putString("EndDate", DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(endDateForBundle));
+
+ // Add `argumentsBundle` to this instance of `SslCertificateErrorDialog`.
+ SslCertificateErrorDialog thisSslCertificateErrorDialog = new SslCertificateErrorDialog();
+ thisSslCertificateErrorDialog.setArguments(argumentsBundle);
+ return thisSslCertificateErrorDialog;
+ }
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ // Save the components of the SSL error message in class variables.
+ 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");
+
+ // Get the appropriate string for `primaryError.
+ int primaryErrorInt = getArguments().getInt("PrimaryErrorInt");
+ switch (primaryErrorInt) {
+ case SslError.SSL_NOTYETVALID:
+ primaryError = getString(R.string.future_certificate);
+ break;
+
+ case SslError.SSL_EXPIRED:
+ primaryError = getString(R.string.expired_certificate);
+ break;
+
+ case SslError.SSL_IDMISMATCH:
+ primaryError = getString(R.string.cn_mismatch);
+ break;
+
+ case SslError.SSL_UNTRUSTED:
+ primaryError = getString(R.string.untrusted);
+ break;
+
+ case SslError.SSL_DATE_INVALID:
+ primaryError = getString(R.string.invalid_date);
+ break;
+
+ case SslError.SSL_INVALID:
+ primaryError = getString(R.string.invalid_certificate);
+ break;
+ }
+ }
+
+ // 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")
+ @Override
+ @NonNull
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ // 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);
+ dialogBuilder.setTitle(R.string.ssl_certificate_error);
+ // 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 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();
+ }
+ });
+
+
+ // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ AlertDialog alertDialog = dialogBuilder.create();
+
+ // We have to show the `AlertDialog` before we can modify the content.
+ 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 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 startDateTextView = (TextView) alertDialog.findViewById(R.id.start_date_error_dialog);
+ TextView endDateTextView = (TextView) alertDialog.findViewById(R.id.end_date_error_dialog);
+
+ // Setup the common strings.
+ String urlLabel = getString(R.string.url_label) + " ";
+ 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) + " ";
+
+ // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text.
+ SpannableStringBuilder urlStringBuilder = new SpannableStringBuilder(urlLabel + urlWithError);
+ 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 + startDate);
+ SpannableStringBuilder endDateStringBuilder = new SpannableStringBuilder((endDateLabel + 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));
+
+ // 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);
+ issuedToCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), issuedToCNameStringBuilder.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);
+ startDateStringBuilder.setSpan(blueColorSpan, startDateLabel.length(), startDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ endDateStringBuilder.setSpan(blueColorSpan, endDateLabel.length(), endDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+
+
+ // Display the strings.
+ primaryErrorTextView.setText(primaryError);
+ urlTextView.setText(urlStringBuilder);
+ issuedToCNameTextView.setText(issuedToCNameStringBuilder);
+ issuedToONameTextView.setText(issuedToONameStringBuilder);
+ issuedToUNameTextView.setText(issuedToUNameStringBuilder);
+ issuedByCNameTextView.setText(issuedByCNameStringBuilder);
+ issuedByONameTextView.setText(issuedByONameStringBuilder);
+ issuedByUNameTextView.setText(issuedByUNameStringBuilder);
+ startDateTextView.setText(startDateStringBuilder);
+ endDateTextView.setText(endDateStringBuilder);
+
+ // `onCreateDialog` requires the return of an `AlertDialog`.
+ return alertDialog;
+ }
+}
projects / PrivacyBrowserAndroid.git / blobdiff