src/com/owncloud/android/ui/dialog/SamlWebViewDialog.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
  18 package com.owncloud.android.ui.dialog;
  19
  20 import org.apache.commons.httpclient.methods.PostMethod;
  21
  22 import android.annotation.SuppressLint;
  23 import android.app.Activity;
  24 import android.app.Dialog;
  25 import android.content.DialogInterface;
  26 import android.os.Bundle;
  27 import android.os.Handler;
  28 import android.support.v4.app.FragmentTransaction;
  29 import android.support.v4.app.FragmentManager;
  30 import android.view.LayoutInflater;
  31 import android.view.View;
  32 import android.view.ViewGroup;
  33 import android.webkit.CookieManager;
  34 import android.webkit.CookieSyncManager;
  35 import android.webkit.WebSettings;
  36 import android.webkit.WebView;
  37 import android.widget.RelativeLayout;
  38
  39 import com.actionbarsherlock.app.SherlockDialogFragment;
  40 import com.owncloud.android.R;
  41 import com.owncloud.android.authentication.SsoWebViewClient;
  42 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  43 import com.owncloud.android.lib.common.OwnCloudClient;
  44 import com.owncloud.android.lib.common.utils.Log_OC;
  45
  46
  47 /**
  48  * Dialog to show the WebView for SAML Authentication
  49  *
  50  * @author Maria Asensio
  51  * @author David A. Velasco
  52  */
  53 public class SamlWebViewDialog extends SherlockDialogFragment {
  54
  55     public final String SAML_DIALOG_TAG = "SamlWebViewDialog";
  56
  57     private final static String TAG =  SamlWebViewDialog.class.getSimpleName();
  58
  59     private static final String ARG_INITIAL_URL = "INITIAL_URL";
  60     private static final String ARG_TARGET_URL = "TARGET_URL";
  61
  62     private WebView mSsoWebView;
  63     private SsoWebViewClient mWebViewClient;
  64
  65     private String mInitialUrl;
  66     private String mTargetUrl;
  67
  68     private Handler mHandler;
  69
  70     private SsoWebViewClientListener mSsoWebViewClientListener;
  71
  72     /**
  73      * Public factory method to get dialog instances.
  74      *
  75      * @param handler
  76      * @param Url           Url to open at WebView
  77      * @param targetURL     mBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mCurrentAuthTokenType)
  78      * @return              New dialog instance, ready to show.
  79      */
  80     public static SamlWebViewDialog newInstance(String url, String targetUrl) {
  81         Log_OC.d(TAG, "New instance");
  82         SamlWebViewDialog fragment = new SamlWebViewDialog();
  83         Bundle args = new Bundle();
  84         args.putString(ARG_INITIAL_URL, url);
  85         args.putString(ARG_TARGET_URL, targetUrl);
  86         fragment.setArguments(args);
  87         return fragment;
  88     }
  89
  90
  91     public SamlWebViewDialog() {
  92         super();
  93         Log_OC.d(TAG, "constructor");
  94     }
  95
  96
  97     @Override
  98     public void onAttach(Activity activity) {
  99         Log_OC.d(TAG, "onAttach");
 100         super.onAttach(activity);
 101         try {
 102             mSsoWebViewClientListener = (SsoWebViewClientListener) activity;
 103             mHandler = new Handler();
 104             mWebViewClient = new SsoWebViewClient(activity, mHandler, mSsoWebViewClientListener);
 105
 106        } catch (ClassCastException e) {
 107             throw new ClassCastException(activity.toString() + " must implement " + SsoWebViewClientListener.class.getSimpleName());
 108         }
 109     }
 110
 111
 112     @SuppressLint("SetJavaScriptEnabled")
 113     @Override
 114     public void onCreate(Bundle savedInstanceState) {
 115         Log_OC.d(TAG, "onCreate, savedInstanceState is " + savedInstanceState);
 116         super.onCreate(savedInstanceState);
 117
 118         setRetainInstance(true);
 119
 120         CookieSyncManager.createInstance(getSherlockActivity().getApplicationContext());
 121
 122         if (savedInstanceState == null) {
 123             mInitialUrl = getArguments().getString(ARG_INITIAL_URL);
 124             mTargetUrl = getArguments().getString(ARG_TARGET_URL);
 125         } else {
 126             mInitialUrl = savedInstanceState.getString(ARG_INITIAL_URL);
 127             mTargetUrl = savedInstanceState.getString(ARG_TARGET_URL);
 128         }
 129
 130         setStyle(SherlockDialogFragment.STYLE_NO_TITLE, R.style.Theme_ownCloud_Dialog);
 131     }
 132
 133     @SuppressWarnings("deprecation")
 134     @SuppressLint("SetJavaScriptEnabled")
 135     @Override
 136     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 137         Log_OC.d(TAG, "onCreateView, savedInsanceState is " + savedInstanceState);
 138
 139         // Inflate layout of the dialog
 140         RelativeLayout ssoRootView = (RelativeLayout) inflater.inflate(R.layout.sso_dialog, 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(getSherlockActivity().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(OwnCloudClient.USER_AGENT);
 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.d(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.d(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             //dialog.dismiss();
 203             //dialog.setDismissMessage(null);
 204         }
 205
 206         super.onDestroyView();
 207     }
 208
 209     @Override
 210     public void onDestroy() {
 211         Log_OC.d(TAG, "onDestroy");
 212         super.onDestroy();
 213     }
 214
 215     @Override
 216     public void onDetach() {
 217         Log_OC.d(TAG, "onDetach");
 218         mSsoWebViewClientListener = null;
 219         mWebViewClient = null;
 220         super.onDetach();
 221     }
 222
 223     @Override
 224     public void onCancel (DialogInterface dialog) {
 225         Log_OC.d(TAG, "onCancel");
 226         super.onCancel(dialog);
 227     }
 228
 229     @Override
 230     public void onDismiss (DialogInterface dialog) {
 231         Log_OC.d(TAG, "onDismiss");
 232         super.onDismiss(dialog);
 233     }
 234
 235     @Override
 236     public void onStart() {
 237         Log_OC.d(TAG, "onStart");
 238         super.onStart();
 239     }
 240
 241     @Override
 242     public void onStop() {
 243         Log_OC.d(TAG, "onStop");
 244         super.onStop();
 245     }
 246
 247     @Override
 248     public void onResume() {
 249         Log_OC.d(TAG, "onResume");
 250         super.onResume();
 251         mSsoWebView.onResume();
 252     }
 253
 254     @Override
 255     public void onPause() {
 256         Log_OC.d(TAG, "onPause");
 257         mSsoWebView.onPause();
 258         super.onPause();
 259     }
 260
 261     @Override
 262     public int show (FragmentTransaction transaction, String tag) {
 263         Log_OC.d(TAG, "show (transaction)");
 264         return super.show(transaction, tag);
 265     }
 266
 267     @Override
 268     public void show (FragmentManager manager, String tag) {
 269         Log_OC.d(TAG, "show (manager)");
 270         super.show(manager, tag);
 271     }
 272
 273 }