src/com/owncloud/android/ui/dialog/SslUntrustedCertDialogForEmptySslError.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2014 ownCloud Inc.
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17 package com.owncloud.android.ui.dialog;
  18
  19 import java.text.DateFormat;
  20 import java.util.Date;
  21
  22 import com.owncloud.android.R;
  23 import com.owncloud.android.authentication.AuthenticatorActivity;
  24
  25 import android.app.Activity;
  26 import android.app.Dialog;
  27 import android.net.http.SslCertificate;
  28 import android.net.http.SslError;
  29 import android.os.Bundle;
  30 import android.view.LayoutInflater;
  31 import android.view.View;
  32 import android.view.View.OnClickListener;
  33 import android.view.ViewGroup;
  34 import android.view.Window;
  35 import android.webkit.SslErrorHandler;
  36 import android.webkit.WebView;
  37 import android.widget.Button;
  38 import android.widget.TextView;
  39
  40 /**
  41  * Dialog to show an Untrusted Certificate
  42  *
  43  * @author masensio
  44  * @author David A. Velasco
  45  */
  46 public class SslUntrustedCertDialogForEmptySslError extends SslUntrustedCertDialogABSTRACT {
  47
  48     //private final static String TAG = SslUntrustedCertDialogForEmptySslError.class.getSimpleName();
  49
  50     private SslError mError;
  51     private SslErrorHandler mHandler;
  52     private View mView;
  53
  54
  55     /**
  56      * Factory method.
  57      *
  58      * @param error     Error occurred; details about it will be shown in the dialog.
  59      * @param handler   Handler to indicate to the {@link WebView} where the error was found what to do next.
  60      * @return          New dialog.
  61      */
  62     public static SslUntrustedCertDialogForEmptySslError newInstance(SslError error, SslErrorHandler handler) {
  63         return new SslUntrustedCertDialogForEmptySslError(error, handler);
  64     }
  65
  66
  67     /**
  68      * Empty constructor.
  69      *
  70      * Required by Android framework. Never used, since the state is retained; see {@link #onCreate(Bundle)}
  71      */
  72     public SslUntrustedCertDialogForEmptySslError() {}
  73
  74
  75     /**
  76      * Private constructor.
  77      *
  78      * Used by the factory method {@link #newInstance(SslError, SslErrorHandler)}.
  79      *
  80      * @param error     Error occurred; details about it will be shown in the dialog.
  81      * @param handler   Handler to indicate to the {@link WebView} where the error was found what to do next.
  82      */
  83     private SslUntrustedCertDialogForEmptySslError(SslError error, SslErrorHandler handler) {
  84         mError = error;
  85         mHandler = handler;
  86     }
  87
  88
  89     @Override
  90     public void onAttach(Activity activity) {
  91         super.onAttach(activity);
  92         /*if (!(activity instanceof OnSslUntrustedCertListener)) {
  93             throw new IllegalArgumentException("Trying to attach to an Activity not implementing " + OnSslUntrustedCertListener.class.getCanonicalName());
  94         }*/
  95     }
  96
  97
  98     // TODO try to move to the parent class ?
  99     @Override
 100     public void onCreate(Bundle savedInstanceState) {
 101         super.onCreate(savedInstanceState);
 102         setRetainInstance(true);    // force to keep the state of the fragment on configuration changes (such as device rotations)
 103         setCancelable(false);
 104         mView = null;
 105     }
 106
 107     // try to move to the parent class ?
 108     @Override
 109     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 110         // Create a view by inflating desired layout
 111         if (mView == null) {
 112             mView = inflater.inflate(R.layout.ssl_untrusted_cert_layout, container,  false);
 113         } else {
 114             ((ViewGroup)mView.getParent()).removeView(mView);
 115         }
 116
 117         Button ok = (Button) mView.findViewById(R.id.untrusted_ok);
 118         ok.setOnClickListener(new OnClickListener() {
 119
 120             @Override
 121             public void onClick(View v) {
 122                 //AuthenticatorActivity act = ((AuthenticatorActivity)getSherlockActivity());
 123                 mHandler.proceed();
 124                 dismiss();
 125             }
 126         });
 127
 128         Button cancel = (Button) mView.findViewById(R.id.untrusted_cancel);
 129         cancel.setOnClickListener(new OnClickListener() {
 130
 131             @Override
 132             public void onClick(View v) {
 133                 AuthenticatorActivity act = ((AuthenticatorActivity)getSherlockActivity());
 134                 getDialog().cancel();
 135                 mHandler.cancel();
 136                 act.cancelWebView();
 137             }
 138         });
 139
 140         Button details = (Button) mView.findViewById(R.id.untrusted_details_btn);
 141         details.setOnClickListener(new OnClickListener() {
 142             @Override
 143             public void onClick(View v) {
 144                 View detailsScroll = mView.findViewById(R.id.untrusted_details_scroll);
 145                 if (detailsScroll.getVisibility() == View.VISIBLE) {
 146                     detailsScroll.setVisibility(View.GONE);
 147                     ((Button) v).setText(R.string.ssl_validator_btn_details_see);
 148
 149                 } else {
 150                     detailsScroll.setVisibility(View.VISIBLE);
 151                     ((Button) v).setText(R.string.ssl_validator_btn_details_hide);
 152                     showCertificateData();
 153                 }
 154             }
 155         });
 156
 157         return mView;
 158     }
 159
 160     @Override
 161     public Dialog onCreateDialog(Bundle savedInstanceState) {
 162         final Dialog dialog = super.onCreateDialog(savedInstanceState);
 163         dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
 164         return dialog;
 165     }
 166
 167     @Override
 168     public void onDestroyView() {
 169         if (getDialog() != null && getRetainInstance())
 170             getDialog().setDismissMessage(null);
 171         super.onDestroyView();
 172     }
 173
 174     private void showCertificateData() {
 175         TextView nullCerView = (TextView) mView.findViewById(R.id.untrusted_null_cert);
 176         SslCertificate cert = mError.getCertificate();
 177         if (cert != null) {
 178             nullCerView.setVisibility(View.GONE);
 179             showSubject(cert.getIssuedTo());
 180             showIssuer(cert.getIssuedBy());
 181             showValidity(cert.getValidNotBeforeDate(), cert.getValidNotAfterDate());
 182             hideSignature();
 183
 184         } else {
 185             nullCerView.setVisibility(View.VISIBLE);
 186         }
 187     }
 188
 189     private void showValidity(Date notBefore, Date notAfter) {
 190         TextView fromView = ((TextView)mView.findViewById(R.id.untrusted_value_validity_from));
 191         TextView toView = ((TextView)mView.findViewById(R.id.untrusted_value_validity_to));
 192         DateFormat dateFormat = DateFormat.getDateInstance();
 193         fromView.setText(dateFormat.format(notBefore));
 194         toView.setText(dateFormat.format(notAfter));
 195     }
 196
 197
 198     private void showSubject(SslCertificate.DName subject) {
 199         TextView cnView = ((TextView)mView.findViewById(R.id.untrusted_value_subject_CN));
 200         cnView.setText(subject.getCName());
 201         cnView.setVisibility(View.VISIBLE);
 202
 203         TextView oView = ((TextView)mView.findViewById(R.id.untrusted_value_subject_O));
 204         oView.setText(subject.getOName());
 205         oView.setVisibility(View.VISIBLE);
 206
 207         TextView ouView = ((TextView)mView.findViewById(R.id.untrusted_value_subject_OU));
 208         ouView.setText(subject.getUName());
 209         ouView.setVisibility(View.VISIBLE);
 210
 211         // SslCertificates don't offer this information
 212         ((TextView)mView.findViewById(R.id.untrusted_value_subject_C)).setVisibility(View.GONE);
 213         ((TextView)mView.findViewById(R.id.untrusted_value_subject_ST)).setVisibility(View.GONE);
 214         ((TextView)mView.findViewById(R.id.untrusted_value_subject_L)).setVisibility(View.GONE);
 215         ((TextView)mView.findViewById(R.id.untrusted_label_subject_C)).setVisibility(View.GONE);
 216         ((TextView)mView.findViewById(R.id.untrusted_label_subject_ST)).setVisibility(View.GONE);
 217         ((TextView)mView.findViewById(R.id.untrusted_label_subject_L)).setVisibility(View.GONE);
 218     }
 219
 220
 221     private void showIssuer(SslCertificate.DName issuer) {
 222         TextView cnView = ((TextView)mView.findViewById(R.id.untrusted_value_issuer_CN));
 223         cnView.setText(issuer.getCName());
 224         cnView.setVisibility(View.VISIBLE);
 225
 226         TextView oView = ((TextView)mView.findViewById(R.id.untrusted_value_issuer_O));
 227         oView.setText(issuer.getOName());
 228         oView.setVisibility(View.VISIBLE);
 229
 230         TextView ouView = ((TextView)mView.findViewById(R.id.untrusted_value_issuer_OU));
 231         ouView.setText(issuer.getUName());
 232         ouView.setVisibility(View.VISIBLE);
 233
 234         // SslCertificates don't offer this information
 235         ((TextView)mView.findViewById(R.id.untrusted_value_issuer_C)).setVisibility(View.GONE);
 236         ((TextView)mView.findViewById(R.id.untrusted_value_issuer_ST)).setVisibility(View.GONE);
 237         ((TextView)mView.findViewById(R.id.untrusted_value_issuer_L)).setVisibility(View.GONE);
 238         ((TextView)mView.findViewById(R.id.untrusted_label_issuer_C)).setVisibility(View.GONE);
 239         ((TextView)mView.findViewById(R.id.untrusted_label_issuer_ST)).setVisibility(View.GONE);
 240         ((TextView)mView.findViewById(R.id.untrusted_label_issuer_L)).setVisibility(View.GONE);
 241     }
 242
 243     private void hideSignature() {
 244         ((TextView)mView.findViewById(R.id.untrusted_label_signature)).setVisibility(View.GONE);
 245         ((TextView)mView.findViewById(R.id.untrusted_label_signature_algorithm)).setVisibility(View.GONE);
 246         ((TextView)mView.findViewById(R.id.untrusted_value_signature_algorithm)).setVisibility(View.GONE);
 247         ((TextView)mView.findViewById(R.id.untrusted_value_signature)).setVisibility(View.GONE);
 248     }
 249
 250 }