diff options
Diffstat (limited to 'src/com/android/swe/browser/PageDialogsHandler.java')
| -rw-r--r-- | src/com/android/swe/browser/PageDialogsHandler.java | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/src/com/android/swe/browser/PageDialogsHandler.java b/src/com/android/swe/browser/PageDialogsHandler.java new file mode 100644 index 00000000..dba52893 --- /dev/null +++ b/src/com/android/swe/browser/PageDialogsHandler.java @@ -0,0 +1,398 @@ +/* + * 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); + } +} |