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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Maria Asensio
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2015 ownCloud Inc.
   7  *
   8  *   This program is free software: you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License version 2,
  10  *   as published by the Free Software Foundation.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 package com.owncloud.android.ui.dialog;
  23
  24 import android.annotation.SuppressLint;
  25 import android.app.Activity;
  26 import android.app.Dialog;
  27 import android.content.DialogInterface;
  28 import android.os.Bundle;
  29 import android.os.Handler;
  30 import android.support.v4.app.FragmentTransaction;
  31 import android.support.v4.app.FragmentManager;
  32 import android.view.LayoutInflater;
  33 import android.view.View;
  34 import android.view.ViewGroup;
  35 import android.webkit.CookieManager;
  36 import android.webkit.CookieSyncManager;
  37 import android.webkit.WebSettings;
  38 import android.webkit.WebView;
  39 import android.widget.RelativeLayout;
  40
  41 import com.actionbarsherlock.app.SherlockDialogFragment;
  42 import com.owncloud.android.MainApp;
  43 import com.owncloud.android.R;
  44 import com.owncloud.android.authentication.SsoWebViewClient;
  45 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  46 import com.owncloud.android.lib.common.utils.Log_OC;
  47
  48
  49 /**
  50  * Dialog to show the WebView for SAML Authentication
  51  */
  52 public class SamlWebViewDialog extends SherlockDialogFragment {
  53
  54     public final String SAML_DIALOG_TAG = "SamlWebViewDialog";
  55
  56     private final static String TAG =  SamlWebViewDialog.class.getSimpleName();
  57
  58     private static final String ARG_INITIAL_URL = "INITIAL_URL";
  59     private static final String ARG_TARGET_URL = "TARGET_URL";
  60
  61     private WebView mSsoWebView;
  62     private SsoWebViewClient mWebViewClient;
  63
  64     private String mInitialUrl;
  65     private String mTargetUrl;
  66
  67     private Handler mHandler;
  68
  69     private SsoWebViewClientListener mSsoWebViewClientListener;
  70
  71     /**
  72      * Public factory method to get dialog instances.
  73      *
  74      * @param url           Url to open at WebView
  75      * @param targetUrl     mBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mCurrentAuthTokenType)
  76      * @return              New dialog instance, ready to show.
  77      */
  78     public static SamlWebViewDialog newInstance(String url, String targetUrl) {
  79         SamlWebViewDialog fragment = new SamlWebViewDialog();
  80         Bundle args = new Bundle();
  81         args.putString(ARG_INITIAL_URL, url);
  82         args.putString(ARG_TARGET_URL, targetUrl);
  83         fragment.setArguments(args);
  84         return fragment;
  85     }
  86
  87
  88     public SamlWebViewDialog() {
  89         super();
  90     }
  91
  92
  93     @Override
  94     public void onAttach(Activity activity) {
  95         Log_OC.v(TAG, "onAttach");
  96         super.onAttach(activity);
  97         try {
  98             mSsoWebViewClientListener = (SsoWebViewClientListener) activity;
  99             mHandler = new Handler();
 100             mWebViewClient = new SsoWebViewClient(activity, mHandler, mSsoWebViewClientListener);
 101
 102        } catch (ClassCastException e) {
 103             throw new ClassCastException(activity.toString() + " must implement " +
 104                     SsoWebViewClientListener.class.getSimpleName());
 105         }
 106     }
 107
 108
 109     @SuppressLint("SetJavaScriptEnabled")
 110     @Override
 111     public void onCreate(Bundle savedInstanceState) {
 112         Log_OC.v(TAG, "onCreate, savedInstanceState is " + savedInstanceState);
 113         super.onCreate(savedInstanceState);
 114
 115         setRetainInstance(true);
 116
 117         CookieSyncManager.createInstance(getSherlockActivity().getApplicationContext());
 118
 119         if (savedInstanceState == null) {
 120             mInitialUrl = getArguments().getString(ARG_INITIAL_URL);
 121             mTargetUrl = getArguments().getString(ARG_TARGET_URL);
 122         } else {
 123             mInitialUrl = savedInstanceState.getString(ARG_INITIAL_URL);
 124             mTargetUrl = savedInstanceState.getString(ARG_TARGET_URL);
 125         }
 126
 127         setStyle(SherlockDialogFragment.STYLE_NO_TITLE, R.style.Theme_ownCloud_Dialog);
 128     }
 129
 130     @SuppressWarnings("deprecation")
 131     @SuppressLint("SetJavaScriptEnabled")
 132     @Override
 133     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 134                              Bundle savedInstanceState) {
 135         Log_OC.v(TAG, "onCreateView, savedInsanceState is " + savedInstanceState);
 136
 137         // Inflate layout of the dialog
 138         RelativeLayout ssoRootView = (RelativeLayout) inflater.inflate(R.layout.sso_dialog,
 139                 container, false);  // null parent view because it will go in the dialog layout
 140
 141         if (mSsoWebView == null) {
 142             // initialize the WebView
 143             mSsoWebView = new SsoWebView(getSherlockActivity().getApplicationContext());
 144             mSsoWebView.setFocusable(true);
 145             mSsoWebView.setFocusableInTouchMode(true);
 146             mSsoWebView.setClickable(true);
 147
 148             WebSettings webSettings = mSsoWebView.getSettings();
 149             webSettings.setJavaScriptEnabled(true);
 150             webSettings.setBuiltInZoomControls(false);
 151             webSettings.setLoadWithOverviewMode(false);
 152             webSettings.setSavePassword(false);
 153             webSettings.setUserAgentString(MainApp.getUserAgent());
 154             webSettings.setSaveFormData(false);
 155
 156             CookieManager cookieManager = CookieManager.getInstance();
 157             cookieManager.setAcceptCookie(true);
 158             cookieManager.removeAllCookie();
 159
 160             mSsoWebView.loadUrl(mInitialUrl);
 161         }
 162
 163         mWebViewClient.setTargetUrl(mTargetUrl);
 164         mSsoWebView.setWebViewClient(mWebViewClient);
 165
 166         // add the webview into the layout
 167         RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
 168                 RelativeLayout.LayoutParams.WRAP_CONTENT,
 169                 RelativeLayout.LayoutParams.WRAP_CONTENT
 170                 );
 171         ssoRootView.addView(mSsoWebView, layoutParams);
 172         ssoRootView.requestLayout();
 173
 174         return ssoRootView;
 175     }
 176
 177     @Override
 178     public void onSaveInstanceState(Bundle outState) {
 179         Log_OC.v(TAG, "onSaveInstanceState being CALLED");
 180         super.onSaveInstanceState(outState);
 181
 182         // save URLs
 183         outState.putString(ARG_INITIAL_URL, mInitialUrl);
 184         outState.putString(ARG_TARGET_URL, mTargetUrl);
 185     }
 186
 187     @Override
 188     public void onDestroyView() {
 189         Log_OC.v(TAG, "onDestroyView");
 190
 191         if ((ViewGroup)mSsoWebView.getParent() != null) {
 192             ((ViewGroup)mSsoWebView.getParent()).removeView(mSsoWebView);
 193         }
 194
 195         mSsoWebView.setWebViewClient(null);
 196
 197         // Work around bug: http://code.google.com/p/android/issues/detail?id=17423
 198         Dialog dialog = getDialog();
 199         if ((dialog != null)) {
 200             dialog.setOnDismissListener(null);
 201         }
 202
 203         super.onDestroyView();
 204     }
 205
 206     @Override
 207     public void onDestroy() {
 208         Log_OC.v(TAG, "onDestroy");
 209         super.onDestroy();
 210     }
 211
 212     @Override
 213     public void onDetach() {
 214         Log_OC.v(TAG, "onDetach");
 215         mSsoWebViewClientListener = null;
 216         mWebViewClient = null;
 217         super.onDetach();
 218     }
 219
 220     @Override
 221     public void onCancel (DialogInterface dialog) {
 222         Log_OC.d(TAG, "onCancel");
 223         super.onCancel(dialog);
 224     }
 225
 226     @Override
 227     public void onDismiss (DialogInterface dialog) {
 228         Log_OC.d(TAG, "onDismiss");
 229         super.onDismiss(dialog);
 230     }
 231
 232     @Override
 233     public void onStart() {
 234         Log_OC.v(TAG, "onStart");
 235         super.onStart();
 236     }
 237
 238     @Override
 239     public void onStop() {
 240         Log_OC.v(TAG, "onStop");
 241         super.onStop();
 242     }
 243
 244     @Override
 245     public void onResume() {
 246         Log_OC.v(TAG, "onResume");
 247         super.onResume();
 248         mSsoWebView.onResume();
 249     }
 250
 251     @Override
 252     public void onPause() {
 253         Log_OC.v(TAG, "onPause");
 254         mSsoWebView.onPause();
 255         super.onPause();
 256     }
 257
 258     @Override
 259     public int show (FragmentTransaction transaction, String tag) {
 260         Log_OC.v(TAG, "show (transaction)");
 261         return super.show(transaction, tag);
 262     }
 263
 264     @Override
 265     public void show (FragmentManager manager, String tag) {
 266         Log_OC.v(TAG, "show (manager)");
 267         super.show(manager, tag);
 268     }
 269
 270 }