Home | History | Annotate | Download | only in permissiondeclareapp 
      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.cts.permissiondeclareapp;
     18 
     19 import android.content.BroadcastReceiver;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.content.UriPermission;
     23 import android.net.Uri;
     24 import android.util.Log;
     25 
     26 import java.util.List;
     27 
     28 public class GrantUriPermission extends BroadcastReceiver {
     29     public static final String ACTION_GRANT_URI = "grantUri";
     30     public static final String ACTION_REVOKE_URI = "revokeUri";
     31     public static final String ACTION_START_ACTIVITY = "startActivity";
     32     public static final String ACTION_START_SERVICE = "startService";
     33     public static final String ACTION_VERIFY_OUTGOING_PERSISTED = "verifyOutgoingPersisted";
     34 
     35     public static final String EXTRA_PACKAGE_NAME = "packageName";
     36     public static final String EXTRA_INTENT = Intent.EXTRA_INTENT;
     37     public static final String EXTRA_URI = "uri";
     38     public static final String EXTRA_MODE = "mode";
     39 
     40     public static final int SUCCESS = 101;
     41     public static final int FAILURE = 100;
     42 
     43     @Override
     44     public void onReceive(Context context, Intent intent) {
     45         try {
     46             final String action = intent.getAction();
     47             if (ACTION_GRANT_URI.equals(action)) {
     48                 final Uri uri = intent.getParcelableExtra(EXTRA_URI);
     49                 context.grantUriPermission(intent.getStringExtra(EXTRA_PACKAGE_NAME), uri,
     50                         intent.getIntExtra(EXTRA_MODE, 0));
     51 
     52             } else if (ACTION_REVOKE_URI.equals(action)) {
     53                 final Uri uri = intent.getParcelableExtra(EXTRA_URI);
     54                 context.revokeUriPermission(uri, intent.getIntExtra(EXTRA_MODE, 0));
     55 
     56             } else if (ACTION_START_ACTIVITY.equals(action)) {
     57                 final Intent newIntent = intent.getParcelableExtra(EXTRA_INTENT);
     58                 newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     59                 context.startActivity(newIntent);
     60 
     61             } else if (ACTION_START_SERVICE.equals(action)) {
     62                 final Intent newIntent = intent.getParcelableExtra(EXTRA_INTENT);
     63                 context.startService(newIntent);
     64 
     65             } else if (ACTION_VERIFY_OUTGOING_PERSISTED.equals(action)) {
     66                 verifyOutgoingPersisted(context, intent);
     67             }
     68 
     69             if (isOrderedBroadcast()) {
     70                 setResultCode(SUCCESS);
     71             }
     72         } catch (SecurityException e) {
     73             Log.i("GrantUriPermission", "Security exception", e);
     74             if (isOrderedBroadcast()) {
     75                 setResultCode(FAILURE);
     76             }
     77         }
     78     }
     79 
     80     private void verifyOutgoingPersisted(Context context, Intent intent) {
     81         final Uri uri = intent.getParcelableExtra(EXTRA_URI);
     82         final List<UriPermission> perms = context.getContentResolver()
     83                 .getOutgoingPersistedUriPermissions();
     84         if (uri != null) {
     85             // Should have a single persisted perm
     86             if (perms.size() != 1) {
     87                 throw new SecurityException("Missing grant");
     88             }
     89             final UriPermission perm = perms.get(0);
     90             if (!perm.getUri().equals(uri)) {
     91                 throw new SecurityException(
     92                         "Expected " + uri + " but found " + perm.getUri());
     93             }
     94         } else {
     95             // Should have zero persisted perms
     96             if (perms.size() != 0) {
     97                 throw new SecurityException("Unexpected grant");
     98             }
     99         }
    100     }
    101 }
    102