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.R;
  43 import com.owncloud.android.authentication.SsoWebViewClient;
  44 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  45 import com.owncloud.android.lib.common.OwnCloudClient;
  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 handler
  75      * @param Url           Url to open at WebView
  76      * @param targetURL     mBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mCurrentAuthTokenType)
  77      * @return              New dialog instance, ready to show.
  78      */
  79     public static SamlWebViewDialog newInstance(String url, String targetUrl) {
  80         SamlWebViewDialog fragment = new SamlWebViewDialog();
  81         Bundle args = new Bundle();
  82         args.putString(ARG_INITIAL_URL, url);
  83         args.putString(ARG_TARGET_URL, targetUrl);
  84         fragment.setArguments(args);
  85         return fragment;
  86     }
  87
  88
  89     public SamlWebViewDialog() {
  90         super();
  91     }
  92
  93
  94     @Override
  95     public void onAttach(Activity activity) {
  96         Log_OC.v(TAG, "onAttach");
  97         super.onAttach(activity);
  98         try {
  99             mSsoWebViewClientListener = (SsoWebViewClientListener) activity;
 100             mHandler = new Handler();
 101             mWebViewClient = new SsoWebViewClient(activity, mHandler, mSsoWebViewClientListener);
 102
 103        } catch (ClassCastException e) {
 104             throw new ClassCastException(activity.toString() + " must implement " + 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, Bundle savedInstanceState) {
 134         Log_OC.v(TAG, "onCreateView, savedInsanceState is " + savedInstanceState);
 135
 136         // Inflate layout of the dialog
 137         RelativeLayout ssoRootView = (RelativeLayout) inflater.inflate(R.layout.sso_dialog, container, false);  // null parent view because it will go in the dialog layout
 138
 139         if (mSsoWebView == null) {
 140             // initialize the WebView
 141             mSsoWebView = new SsoWebView(getSherlockActivity().getApplicationContext());
 142             mSsoWebView.setFocusable(true);
 143             mSsoWebView.setFocusableInTouchMode(true);
 144             mSsoWebView.setClickable(true);
 145
 146             WebSettings webSettings = mSsoWebView.getSettings();
 147             webSettings.setJavaScriptEnabled(true);
 148             webSettings.setBuiltInZoomControls(false);
 149             webSettings.setLoadWithOverviewMode(false);
 150             webSettings.setSavePassword(false);
 151             webSettings.setUserAgentString(OwnCloudClient.USER_AGENT);
 152             webSettings.setSaveFormData(false);
 153
 154             CookieManager cookieManager = CookieManager.getInstance();
 155             cookieManager.setAcceptCookie(true);
 156             cookieManager.removeAllCookie();
 157
 158             mSsoWebView.loadUrl(mInitialUrl);
 159         }
 160
 161         mWebViewClient.setTargetUrl(mTargetUrl);
 162         mSsoWebView.setWebViewClient(mWebViewClient);
 163
 164         // add the webview into the layout
 165         RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
 166                 RelativeLayout.LayoutParams.WRAP_CONTENT,
 167                 RelativeLayout.LayoutParams.WRAP_CONTENT
 168                 );
 169         ssoRootView.addView(mSsoWebView, layoutParams);
 170         ssoRootView.requestLayout();
 171
 172         return ssoRootView;
 173     }
 174
 175     @Override
 176     public void onSaveInstanceState(Bundle outState) {
 177         Log_OC.v(TAG, "onSaveInstanceState being CALLED");
 178         super.onSaveInstanceState(outState);
 179
 180         // save URLs
 181         outState.putString(ARG_INITIAL_URL, mInitialUrl);
 182         outState.putString(ARG_TARGET_URL, mTargetUrl);
 183     }
 184
 185     @Override
 186     public void onDestroyView() {
 187         Log_OC.v(TAG, "onDestroyView");
 188
 189         if ((ViewGroup)mSsoWebView.getParent() != null) {
 190             ((ViewGroup)mSsoWebView.getParent()).removeView(mSsoWebView);
 191         }
 192
 193         mSsoWebView.setWebViewClient(null);
 194
 195         // Work around bug: http://code.google.com/p/android/issues/detail?id=17423
 196         Dialog dialog = getDialog();
 197         if ((dialog != null)) {
 198             dialog.setOnDismissListener(null);
 199         }
 200
 201         super.onDestroyView();
 202     }
 203
 204     @Override
 205     public void onDestroy() {
 206         Log_OC.v(TAG, "onDestroy");
 207         super.onDestroy();
 208     }
 209
 210     @Override
 211     public void onDetach() {
 212         Log_OC.v(TAG, "onDetach");
 213         mSsoWebViewClientListener = null;
 214         mWebViewClient = null;
 215         super.onDetach();
 216     }
 217
 218     @Override
 219     public void onCancel (DialogInterface dialog) {
 220         Log_OC.d(TAG, "onCancel");
 221         super.onCancel(dialog);
 222     }
 223
 224     @Override
 225     public void onDismiss (DialogInterface dialog) {
 226         Log_OC.d(TAG, "onDismiss");
 227         super.onDismiss(dialog);
 228     }
 229
 230     @Override
 231     public void onStart() {
 232         Log_OC.v(TAG, "onStart");
 233         super.onStart();
 234     }
 235
 236     @Override
 237     public void onStop() {
 238         Log_OC.v(TAG, "onStop");
 239         super.onStop();
 240     }
 241
 242     @Override
 243     public void onResume() {
 244         Log_OC.v(TAG, "onResume");
 245         super.onResume();
 246         mSsoWebView.onResume();
 247     }
 248
 249     @Override
 250     public void onPause() {
 251         Log_OC.v(TAG, "onPause");
 252         mSsoWebView.onPause();
 253         super.onPause();
 254     }
 255
 256     @Override
 257     public int show (FragmentTransaction transaction, String tag) {
 258         Log_OC.v(TAG, "show (transaction)");
 259         return super.show(transaction, tag);
 260     }
 261
 262     @Override
 263     public void show (FragmentManager manager, String tag) {
 264         Log_OC.v(TAG, "show (manager)");
 265         super.show(manager, tag);
 266     }
 267
 268 }