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.DialogFragment;
  31 import android.support.v4.app.FragmentTransaction;
  32 import android.support.v4.app.FragmentManager;
  33 import android.view.LayoutInflater;
  34 import android.view.View;
  35 import android.view.ViewGroup;
  36 import android.webkit.CookieManager;
  37 import android.webkit.CookieSyncManager;
  38 import android.webkit.WebSettings;
  39 import android.webkit.WebView;
  40 import android.widget.RelativeLayout;
  41
  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 DialogFragment {
  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, m
  76      *                      CurrentAuthTokenType)
  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 " +
 105                     SsoWebViewClientListener.class.getSimpleName());
 106         }
 107     }
 108
 109
 110     @SuppressLint("SetJavaScriptEnabled")
 111     @Override
 112     public void onCreate(Bundle savedInstanceState) {
 113         Log_OC.v(TAG, "onCreate, savedInstanceState is " + savedInstanceState);
 114         super.onCreate(savedInstanceState);
 115
 116         setRetainInstance(true);
 117
 118         CookieSyncManager.createInstance(getActivity().getApplicationContext());
 119
 120         if (savedInstanceState == null) {
 121             mInitialUrl = getArguments().getString(ARG_INITIAL_URL);
 122             mTargetUrl = getArguments().getString(ARG_TARGET_URL);
 123         } else {
 124             mInitialUrl = savedInstanceState.getString(ARG_INITIAL_URL);
 125             mTargetUrl = savedInstanceState.getString(ARG_TARGET_URL);
 126         }
 127
 128         setStyle(DialogFragment.STYLE_NO_TITLE, R.style.Theme_ownCloud_Dialog);
 129     }
 130
 131     @SuppressWarnings("deprecation")
 132     @SuppressLint("SetJavaScriptEnabled")
 133     @Override
 134     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 135                              Bundle savedInstanceState) {
 136         Log_OC.v(TAG, "onCreateView, savedInsanceState is " + savedInstanceState);
 137
 138         // Inflate layout of the dialog
 139         RelativeLayout ssoRootView = (RelativeLayout) inflater.inflate(R.layout.sso_dialog,
 140                 container, false);  // null parent view because it will go in the dialog layout
 141
 142         if (mSsoWebView == null) {
 143             // initialize the WebView
 144             mSsoWebView = new SsoWebView(getActivity().getApplicationContext());
 145             mSsoWebView.setFocusable(true);
 146             mSsoWebView.setFocusableInTouchMode(true);
 147             mSsoWebView.setClickable(true);
 148
 149             WebSettings webSettings = mSsoWebView.getSettings();
 150             webSettings.setJavaScriptEnabled(true);
 151             webSettings.setBuiltInZoomControls(false);
 152             webSettings.setLoadWithOverviewMode(false);
 153             webSettings.setSavePassword(false);
 154             webSettings.setUserAgentString(MainApp.getUserAgent());
 155             webSettings.setSaveFormData(false);
 156
 157             CookieManager cookieManager = CookieManager.getInstance();
 158             cookieManager.setAcceptCookie(true);
 159             cookieManager.removeAllCookie();
 160
 161             mSsoWebView.loadUrl(mInitialUrl);
 162         }
 163
 164         mWebViewClient.setTargetUrl(mTargetUrl);
 165         mSsoWebView.setWebViewClient(mWebViewClient);
 166
 167         // add the webview into the layout
 168         RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
 169                 RelativeLayout.LayoutParams.WRAP_CONTENT,
 170                 RelativeLayout.LayoutParams.WRAP_CONTENT
 171                 );
 172         ssoRootView.addView(mSsoWebView, layoutParams);
 173         ssoRootView.requestLayout();
 174
 175         return ssoRootView;
 176     }
 177
 178     @Override
 179     public void onSaveInstanceState(Bundle outState) {
 180         Log_OC.v(TAG, "onSaveInstanceState being CALLED");
 181         super.onSaveInstanceState(outState);
 182
 183         // save URLs
 184         outState.putString(ARG_INITIAL_URL, mInitialUrl);
 185         outState.putString(ARG_TARGET_URL, mTargetUrl);
 186     }
 187
 188     @Override
 189     public void onDestroyView() {
 190         Log_OC.v(TAG, "onDestroyView");
 191
 192         if ((ViewGroup)mSsoWebView.getParent() != null) {
 193             ((ViewGroup)mSsoWebView.getParent()).removeView(mSsoWebView);
 194         }
 195
 196         mSsoWebView.setWebViewClient(null);
 197
 198         // Work around bug: http://code.google.com/p/android/issues/detail?id=17423
 199         Dialog dialog = getDialog();
 200         if ((dialog != null)) {
 201             dialog.setOnDismissListener(null);
 202         }
 203
 204         super.onDestroyView();
 205     }
 206
 207     @Override
 208     public void onDestroy() {
 209         Log_OC.v(TAG, "onDestroy");
 210         super.onDestroy();
 211     }
 212
 213     @Override
 214     public void onDetach() {
 215         Log_OC.v(TAG, "onDetach");
 216         mSsoWebViewClientListener = null;
 217         mWebViewClient = null;
 218         super.onDetach();
 219     }
 220
 221     @Override
 222     public void onCancel (DialogInterface dialog) {
 223         Log_OC.d(TAG, "onCancel");
 224         super.onCancel(dialog);
 225     }
 226
 227     @Override
 228     public void onDismiss (DialogInterface dialog) {
 229         Log_OC.d(TAG, "onDismiss");
 230         super.onDismiss(dialog);
 231     }
 232
 233     @Override
 234     public void onStart() {
 235         Log_OC.v(TAG, "onStart");
 236         super.onStart();
 237     }
 238
 239     @Override
 240     public void onStop() {
 241         Log_OC.v(TAG, "onStop");
 242         super.onStop();
 243     }
 244
 245     @Override
 246     public void onResume() {
 247         Log_OC.v(TAG, "onResume");
 248         super.onResume();
 249         mSsoWebView.onResume();
 250     }
 251
 252     @Override
 253     public void onPause() {
 254         Log_OC.v(TAG, "onPause");
 255         mSsoWebView.onPause();
 256         super.onPause();
 257     }
 258
 259     @Override
 260     public int show (FragmentTransaction transaction, String tag) {
 261         Log_OC.v(TAG, "show (transaction)");
 262         return super.show(transaction, tag);
 263     }
 264
 265     @Override
 266     public void show (FragmentManager manager, String tag) {
 267         Log_OC.v(TAG, "show (manager)");
 268         super.show(manager, tag);
 269     }
 270
 271 }