| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.browser; |
| |
| import android.app.AlertDialog; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.res.Configuration; |
| import android.net.http.SslCertificate; |
| import android.net.http.SslError; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.webkit.HttpAuthHandler; |
| import android.webkit.SslErrorHandler; |
| import android.webkit.WebView; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| |
| /** |
| * Displays page info |
| * |
| */ |
| public class PageDialogsHandler { |
| |
| private Context mContext; |
| private Controller mController; |
| private boolean mPageInfoFromShowSSLCertificateOnError; |
| private String mUrlCertificateOnError; |
| private Tab mPageInfoView; |
| private AlertDialog mPageInfoDialog; |
| |
| // as SSLCertificateOnError has different style for landscape / portrait, |
| // we have to re-open it when configuration changed |
| private AlertDialog mSSLCertificateOnErrorDialog; |
| private WebView mSSLCertificateOnErrorView; |
| private SslErrorHandler mSSLCertificateOnErrorHandler; |
| private SslError mSSLCertificateOnErrorError; |
| |
| // as SSLCertificate has different style for landscape / portrait, we |
| // have to re-open it when configuration changed |
| private AlertDialog mSSLCertificateDialog; |
| private Tab mSSLCertificateView; |
| private HttpAuthenticationDialog mHttpAuthenticationDialog; |
| |
| public PageDialogsHandler(Context context, Controller controller) { |
| mContext = context; |
| mController = controller; |
| } |
| |
| public void onConfigurationChanged(Configuration config) { |
| if (mPageInfoDialog != null) { |
| mPageInfoDialog.dismiss(); |
| showPageInfo(mPageInfoView, |
| mPageInfoFromShowSSLCertificateOnError, |
| mUrlCertificateOnError); |
| } |
| if (mSSLCertificateDialog != null) { |
| mSSLCertificateDialog.dismiss(); |
| showSSLCertificate(mSSLCertificateView); |
| } |
| if (mSSLCertificateOnErrorDialog != null) { |
| mSSLCertificateOnErrorDialog.dismiss(); |
| showSSLCertificateOnError(mSSLCertificateOnErrorView, |
| mSSLCertificateOnErrorHandler, |
| mSSLCertificateOnErrorError); |
| } |
| if (mHttpAuthenticationDialog != null) { |
| mHttpAuthenticationDialog.reshow(); |
| } |
| } |
| |
| /** |
| * Displays an http-authentication dialog. |
| */ |
| void showHttpAuthentication(final Tab tab, final HttpAuthHandler handler, String host, String realm) { |
| mHttpAuthenticationDialog = new HttpAuthenticationDialog(mContext, host, realm); |
| mHttpAuthenticationDialog.setOkListener(new HttpAuthenticationDialog.OkListener() { |
| public void onOk(String host, String realm, String username, String password) { |
| setHttpAuthUsernamePassword(host, realm, username, password); |
| handler.proceed(username, password); |
| mHttpAuthenticationDialog = null; |
| } |
| }); |
| mHttpAuthenticationDialog.setCancelListener(new HttpAuthenticationDialog.CancelListener() { |
| public void onCancel() { |
| handler.cancel(); |
| mController.onUpdatedSecurityState(tab); |
| mHttpAuthenticationDialog = null; |
| } |
| }); |
| mHttpAuthenticationDialog.show(); |
| } |
| |
| /** |
| * Set HTTP authentication password. |
| * |
| * @param host The host for the password |
| * @param realm The realm for the password |
| * @param username The username for the password. If it is null, it means |
| * password can't be saved. |
| * @param password The password |
| */ |
| public void setHttpAuthUsernamePassword(String host, String realm, |
| String username, |
| String password) { |
| WebView w = mController.getCurrentTopWebView(); |
| if (w != null) { |
| w.setHttpAuthUsernamePassword(host, realm, username, password); |
| } |
| } |
| |
| /** |
| * Displays a page-info dialog. |
| * @param tab The tab to show info about |
| * @param fromShowSSLCertificateOnError The flag that indicates whether |
| * this dialog was opened from the SSL-certificate-on-error dialog or |
| * not. This is important, since we need to know whether to return to |
| * the parent dialog or simply dismiss. |
| * @param urlCertificateOnError The URL that invokes SSLCertificateError. |
| * Null when fromShowSSLCertificateOnError is false. |
| */ |
| void showPageInfo(final Tab tab, |
| final boolean fromShowSSLCertificateOnError, |
| final String urlCertificateOnError) { |
| if (tab == null) return; |
| final LayoutInflater factory = LayoutInflater.from(mContext); |
| |
| final View pageInfoView = factory.inflate(R.layout.page_info, null); |
| |
| final WebView view = tab.getWebView(); |
| |
| String url = fromShowSSLCertificateOnError ? urlCertificateOnError : tab.getUrl(); |
| String title = tab.getTitle(); |
| |
| if (url == null) { |
| url = ""; |
| } |
| if (title == null) { |
| title = ""; |
| } |
| |
| ((TextView) pageInfoView.findViewById(R.id.address)).setText(url); |
| ((TextView) pageInfoView.findViewById(R.id.title)).setText(title); |
| |
| mPageInfoView = tab; |
| mPageInfoFromShowSSLCertificateOnError = fromShowSSLCertificateOnError; |
| mUrlCertificateOnError = urlCertificateOnError; |
| |
| AlertDialog.Builder alertDialogBuilder = |
| new AlertDialog.Builder(mContext) |
| .setTitle(R.string.page_info) |
| .setIcon(android.R.drawable.ic_dialog_info) |
| .setView(pageInfoView) |
| .setPositiveButton( |
| R.string.ok, |
| new DialogInterface.OnClickListener() { |
| public void onClick(DialogInterface dialog, |
| int whichButton) { |
| mPageInfoDialog = null; |
| mPageInfoView = null; |
| |
| // if we came here from the SSL error dialog |
| if (fromShowSSLCertificateOnError) { |
| // go back to the SSL error dialog |
| showSSLCertificateOnError( |
| mSSLCertificateOnErrorView, |
| mSSLCertificateOnErrorHandler, |
| mSSLCertificateOnErrorError); |
| } |
| } |
| }) |
| .setOnCancelListener( |
| new DialogInterface.OnCancelListener() { |
| public void onCancel(DialogInterface dialog) { |
| mPageInfoDialog = null; |
| mPageInfoView = null; |
| |
| // if we came here from the SSL error dialog |
| if (fromShowSSLCertificateOnError) { |
| // go back to the SSL error dialog |
| showSSLCertificateOnError( |
| mSSLCertificateOnErrorView, |
| mSSLCertificateOnErrorHandler, |
| mSSLCertificateOnErrorError); |
| } |
| } |
| }); |
| |
| // if we have a main top-level page SSL certificate set or a certificate |
| // error |
| if (fromShowSSLCertificateOnError || |
| (view != null && view.getCertificate() != null)) { |
| // add a 'View Certificate' button |
| alertDialogBuilder.setNeutralButton( |
| R.string.view_certificate, |
| new DialogInterface.OnClickListener() { |
| public void onClick(DialogInterface dialog, |
| int whichButton) { |
| mPageInfoDialog = null; |
| mPageInfoView = null; |
| |
| // if we came here from the SSL error dialog |
| if (fromShowSSLCertificateOnError) { |
| // go back to the SSL error dialog |
| showSSLCertificateOnError( |
| mSSLCertificateOnErrorView, |
| mSSLCertificateOnErrorHandler, |
| mSSLCertificateOnErrorError); |
| } else { |
| // otherwise, display the top-most certificate from |
| // the chain |
| showSSLCertificate(tab); |
| } |
| } |
| }); |
| } |
| |
| mPageInfoDialog = alertDialogBuilder.show(); |
| } |
| |
| /** |
| * Displays the main top-level page SSL certificate dialog |
| * (accessible from the Page-Info dialog). |
| * @param tab The tab to show certificate for. |
| */ |
| private void showSSLCertificate(final Tab tab) { |
| |
| SslCertificate cert = tab.getWebView().getCertificate(); |
| if (cert == null) { |
| return; |
| } |
| |
| mSSLCertificateView = tab; |
| mSSLCertificateDialog = createSslCertificateDialog(cert, tab.getSslCertificateError()) |
| .setPositiveButton(R.string.ok, |
| new DialogInterface.OnClickListener() { |
| public void onClick(DialogInterface dialog, |
| int whichButton) { |
| mSSLCertificateDialog = null; |
| mSSLCertificateView = null; |
| |
| showPageInfo(tab, false, null); |
| } |
| }) |
| .setOnCancelListener( |
| new DialogInterface.OnCancelListener() { |
| public void onCancel(DialogInterface dialog) { |
| mSSLCertificateDialog = null; |
| mSSLCertificateView = null; |
| |
| showPageInfo(tab, false, null); |
| } |
| }) |
| .show(); |
| } |
| |
| /** |
| * Displays the SSL error certificate dialog. |
| * @param view The target web-view. |
| * @param handler The SSL error handler responsible for cancelling the |
| * connection that resulted in an SSL error or proceeding per user request. |
| * @param error The SSL error object. |
| */ |
| void showSSLCertificateOnError( |
| final WebView view, final SslErrorHandler handler, |
| final SslError error) { |
| |
| SslCertificate cert = error.getCertificate(); |
| if (cert == null) { |
| return; |
| } |
| |
| mSSLCertificateOnErrorHandler = handler; |
| mSSLCertificateOnErrorView = view; |
| mSSLCertificateOnErrorError = error; |
| mSSLCertificateOnErrorDialog = createSslCertificateDialog(cert, error) |
| .setPositiveButton(R.string.ok, |
| new DialogInterface.OnClickListener() { |
| public void onClick(DialogInterface dialog, |
| int whichButton) { |
| mSSLCertificateOnErrorDialog = null; |
| mSSLCertificateOnErrorView = null; |
| mSSLCertificateOnErrorHandler = null; |
| mSSLCertificateOnErrorError = null; |
| |
| ((BrowserWebView) view).getWebViewClient(). |
| onReceivedSslError(view, handler, error); |
| } |
| }) |
| .setNeutralButton(R.string.page_info_view, |
| new DialogInterface.OnClickListener() { |
| public void onClick(DialogInterface dialog, |
| int whichButton) { |
| mSSLCertificateOnErrorDialog = null; |
| |
| // do not clear the dialog state: we will |
| // need to show the dialog again once the |
| // user is done exploring the page-info details |
| |
| showPageInfo(mController.getTabControl() |
| .getTabFromView(view), |
| true, |
| error.getUrl()); |
| } |
| }) |
| .setOnCancelListener( |
| new DialogInterface.OnCancelListener() { |
| public void onCancel(DialogInterface dialog) { |
| mSSLCertificateOnErrorDialog = null; |
| mSSLCertificateOnErrorView = null; |
| mSSLCertificateOnErrorHandler = null; |
| mSSLCertificateOnErrorError = null; |
| |
| ((BrowserWebView) view).getWebViewClient(). |
| onReceivedSslError(view, handler, error); |
| } |
| }) |
| .show(); |
| } |
| |
| /* |
| * Creates an AlertDialog to display the given certificate. If error is |
| * null, text is added to state that the certificae is valid and the icon |
| * is set accordingly. If error is non-null, it must relate to the supplied |
| * certificate. In this case, error is used to add text describing the |
| * problems with the certificate and a different icon is used. |
| */ |
| private AlertDialog.Builder createSslCertificateDialog(SslCertificate certificate, |
| SslError error) { |
| View certificateView = certificate.inflateCertificateView(mContext); |
| final LinearLayout placeholder = |
| (LinearLayout)certificateView.findViewById(com.android.internal.R.id.placeholder); |
| |
| LayoutInflater factory = LayoutInflater.from(mContext); |
| int iconId; |
| |
| if (error == null) { |
| iconId = R.drawable.ic_dialog_browser_certificate_secure; |
| LinearLayout table = (LinearLayout)factory.inflate(R.layout.ssl_success, placeholder); |
| TextView successString = (TextView)table.findViewById(R.id.success); |
| successString.setText(com.android.internal.R.string.ssl_certificate_is_valid); |
| } else { |
| iconId = R.drawable.ic_dialog_browser_certificate_partially_secure; |
| if (error.hasError(SslError.SSL_UNTRUSTED)) { |
| addError(factory, placeholder, R.string.ssl_untrusted); |
| } |
| if (error.hasError(SslError.SSL_IDMISMATCH)) { |
| addError(factory, placeholder, R.string.ssl_mismatch); |
| } |
| if (error.hasError(SslError.SSL_EXPIRED)) { |
| addError(factory, placeholder, R.string.ssl_expired); |
| } |
| if (error.hasError(SslError.SSL_NOTYETVALID)) { |
| addError(factory, placeholder, R.string.ssl_not_yet_valid); |
| } |
| if (error.hasError(SslError.SSL_DATE_INVALID)) { |
| addError(factory, placeholder, R.string.ssl_date_invalid); |
| } |
| if (error.hasError(SslError.SSL_INVALID)) { |
| addError(factory, placeholder, R.string.ssl_invalid); |
| } |
| // The SslError should always have at least one type of error and we |
| // should explicitly handle every type of error it supports. We |
| // therefore expect the condition below to never be hit. We use it |
| // as as safety net in case a new error type is added to SslError |
| // without the logic above being updated accordingly. |
| if (placeholder.getChildCount() == 0) { |
| addError(factory, placeholder, R.string.ssl_unknown); |
| } |
| } |
| |
| return new AlertDialog.Builder(mContext) |
| .setTitle(com.android.internal.R.string.ssl_certificate) |
| .setIcon(iconId) |
| .setView(certificateView); |
| } |
| |
| private void addError(LayoutInflater inflater, LinearLayout parent, int error) { |
| TextView textView = (TextView) inflater.inflate(R.layout.ssl_warning, |
| parent, false); |
| textView.setText(error); |
| parent.addView(textView); |
| } |
| } |
