src/com/owncloud/android/authentication/AuthenticatorAsyncTask.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author masensio on 09/02/2015.
   5  *   Copyright (C) 2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20 package com.owncloud.android.authentication;
  21
  22 import android.app.Activity;
  23 import android.content.Context;
  24 import android.net.Uri;
  25 import android.os.AsyncTask;
  26
  27 import com.owncloud.android.lib.common.OwnCloudClient;
  28 import com.owncloud.android.lib.common.OwnCloudClientFactory;
  29 import com.owncloud.android.lib.common.OwnCloudCredentials;
  30 import com.owncloud.android.lib.common.network.RedirectionPath;
  31 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  32 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  33
  34 import java.lang.ref.WeakReference;
  35
  36
  37 /**
  38  * Async Task to verify the credentials of a user
  39  */
  40 public class AuthenticatorAsyncTask  extends AsyncTask<Object, Void, RemoteOperationResult> {
  41
  42     private static String REMOTE_PATH = "/";
  43     private static boolean SUCCESS_IF_ABSENT = false;
  44
  45     private Context mContext;
  46     private final WeakReference<OnAuthenticatorTaskListener> mListener;
  47     protected Activity mActivity;
  48
  49     public AuthenticatorAsyncTask(Activity activity) {
  50         mContext = activity.getApplicationContext();
  51         mListener = new WeakReference<OnAuthenticatorTaskListener>((OnAuthenticatorTaskListener)activity);
  52     }
  53
  54     @Override
  55     protected RemoteOperationResult doInBackground(Object... params) {
  56
  57         RemoteOperationResult result;
  58         if (params!= null && params.length==2) {
  59             String url = (String)params[0];
  60             OwnCloudCredentials credentials = (OwnCloudCredentials)params[1];
  61
  62             // Client
  63             Uri uri = Uri.parse(url);
  64             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(uri, mContext, true);
  65             client.setCredentials(credentials);
  66
  67             // Operation
  68             ExistenceCheckRemoteOperation operation = new ExistenceCheckRemoteOperation(
  69                     REMOTE_PATH,
  70                     mContext,
  71                     SUCCESS_IF_ABSENT
  72             );
  73             result = operation.execute(client);
  74
  75             if (operation.wasRedirected()) {
  76                 RedirectionPath redirectionPath = operation.getRedirectionPath();
  77                 String permanentLocation = redirectionPath.getLastPermanentLocation();
  78                 result.setLastPermanentLocation(permanentLocation);
  79             }
  80
  81         } else {
  82             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.UNKNOWN_ERROR);
  83         }
  84
  85         return result;
  86     }
  87
  88     @Override
  89     protected void onPostExecute(RemoteOperationResult result) {
  90
  91         if (result!= null)
  92         {
  93             OnAuthenticatorTaskListener listener = mListener.get();
  94             if (listener!= null)
  95             {
  96                 listener.onAuthenticatorTaskCallback(result);
  97             }
  98         }
  99     }
 100     /*
 101      * Interface to retrieve data from recognition task
 102      */
 103     public interface OnAuthenticatorTaskListener{
 104
 105         void onAuthenticatorTaskCallback(RemoteOperationResult result);
 106     }
 107 }