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      1 /*
      2  * Copyright (C) 2018 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 android.jobscheduler.cts.shareduidtests;
     18 
     19 
     20 import android.annotation.TargetApi;
     21 import android.app.job.JobInfo;
     22 import android.content.ContentProviderClient;
     23 import android.content.Intent;
     24 import android.content.pm.PackageManager;
     25 import android.os.Process;
     26 
     27 /**
     28  * Schedules jobs with the {@link android.app.job.JobScheduler} that grant permissions through
     29  * ClipData.
     30  */
     31 @TargetApi(26)
     32 public class ClipDataJobTest extends ConstraintTest {
     33     private static final String TAG = "ClipDataJobTest";
     34 
     35     /** Unique identifier for the job scheduled by this suite of tests. */
     36     public static final int CLIP_DATA_JOB_ID = ClipDataJobTest.class.hashCode();
     37 
     38     JobInfo.Builder mBuilder;
     39     private ContentProviderClient mProvider;
     40 
     41     @Override
     42     public void setUp() throws Exception {
     43         super.setUp();
     44 
     45         mBuilder = new JobInfo.Builder(CLIP_DATA_JOB_ID, kJobServiceComponent);
     46         mProvider = getContext().getContentResolver().acquireContentProviderClient(mFirstUri);
     47         assertNotNull(mProvider);
     48     }
     49 
     50     @Override
     51     public void tearDown() throws Exception {
     52         super.tearDown();
     53         mProvider.close();
     54         mJobScheduler.cancel(CLIP_DATA_JOB_ID);
     55     }
     56 
     57     /**
     58      * Test basic granting of URI permissions associated with jobs.
     59      */
     60     public void testClipDataGrant() throws Exception {
     61         // Start out with storage low, so job is enqueued but not executed yet.
     62         setStorageState(true);
     63 
     64         // We need to get a permission grant so that we can grant it to ourself.
     65         mProvider.call("grant", MY_PACKAGE, mFirstUriBundle);
     66         assertEquals(PackageManager.PERMISSION_GRANTED,
     67                 getContext().checkUriPermission(mFirstUri, Process.myPid(),
     68                         Process.myUid(), Intent.FLAG_GRANT_READ_URI_PERMISSION));
     69         assertEquals(PackageManager.PERMISSION_GRANTED,
     70                 getContext().checkUriPermission(mFirstUri, Process.myPid(),
     71                         Process.myUid(), Intent.FLAG_GRANT_WRITE_URI_PERMISSION));
     72 
     73         // Schedule the job, the system should now also be holding a URI grant for us.
     74         kTestEnvironment.setExpectedExecutions(1);
     75         mJobScheduler.schedule(mBuilder.setRequiresStorageNotLow(true)
     76                 .setClipData(mFirstClipData, Intent.FLAG_GRANT_READ_URI_PERMISSION
     77                         | Intent.FLAG_GRANT_WRITE_URI_PERMISSION).build());
     78 
     79         // Remove the explicit grant, we should still have a grant due to the job.
     80         mProvider.call("revoke", MY_PACKAGE, mFirstUriBundle);
     81         assertEquals(PackageManager.PERMISSION_GRANTED,
     82                 getContext().checkUriPermission(mFirstUri, Process.myPid(),
     83                         Process.myUid(), Intent.FLAG_GRANT_READ_URI_PERMISSION));
     84         assertEquals(PackageManager.PERMISSION_GRANTED,
     85                 getContext().checkUriPermission(mFirstUri, Process.myPid(),
     86                         Process.myUid(), Intent.FLAG_GRANT_WRITE_URI_PERMISSION));
     87 
     88         // Now allow the job to run and wait for it.
     89         setStorageState(false);
     90         assertTrue("Job with storage not low constraint did not fire when storage not low.",
     91                 kTestEnvironment.awaitExecution());
     92 
     93         // Make sure the job still had the permission granted.
     94         assertEquals(PackageManager.PERMISSION_GRANTED, kTestEnvironment.getLastPermCheckRead());
     95         assertEquals(PackageManager.PERMISSION_GRANTED, kTestEnvironment.getLastPermCheckWrite());
     96 
     97         // And wait for everything to be cleaned up.
     98         waitPermissionRevoke(mFirstUri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION, 5000);
     99     }
    100 
    101     /**
    102      * Test that we correctly fail when trying to grant permissions to things we don't
    103      * have access to.
    104      */
    105     public void testClipDataGrant_Failed() throws Exception {
    106         try {
    107             mJobScheduler.schedule(mBuilder.setRequiresStorageNotLow(true)
    108                     .setClipData(mFirstClipData, Intent.FLAG_GRANT_READ_URI_PERMISSION
    109                             | Intent.FLAG_GRANT_WRITE_URI_PERMISSION).build());
    110         } catch (SecurityException e) {
    111             return;
    112         }
    113 
    114         fail("Security exception not thrown");
    115     }
    116 
    117     /**
    118      * Test basic granting of URI permissions associated with jobs and are correctly
    119      * retained when rescheduling the job.
    120      */
    121     public void testClipDataGrantReschedule() throws Exception {
    122         // We need to get a permission grant so that we can grant it to ourself.
    123         mProvider.call("grant", MY_PACKAGE, mFirstUriBundle);
    124         assertEquals(PackageManager.PERMISSION_GRANTED,
    125                 getContext().checkUriPermission(mFirstUri, Process.myPid(),
    126                         Process.myUid(), Intent.FLAG_GRANT_READ_URI_PERMISSION));
    127         assertEquals(PackageManager.PERMISSION_GRANTED,
    128                 getContext().checkUriPermission(mFirstUri, Process.myPid(),
    129                         Process.myUid(), Intent.FLAG_GRANT_WRITE_URI_PERMISSION));
    130 
    131         // Schedule the job, the system should now also be holding a URI grant for us.
    132         kTestEnvironment.setExpectedExecutions(1);
    133         mJobScheduler.schedule(mBuilder.setMinimumLatency(60*60*1000)
    134                 .setClipData(mFirstClipData, Intent.FLAG_GRANT_READ_URI_PERMISSION
    135                         | Intent.FLAG_GRANT_WRITE_URI_PERMISSION).build());
    136 
    137         // Remove the explicit grant, we should still have a grant due to the job.
    138         mProvider.call("revoke", MY_PACKAGE, mFirstUriBundle);
    139         assertEquals(PackageManager.PERMISSION_GRANTED,
    140                 getContext().checkUriPermission(mFirstUri, Process.myPid(),
    141                         Process.myUid(), Intent.FLAG_GRANT_READ_URI_PERMISSION));
    142         assertEquals(PackageManager.PERMISSION_GRANTED,
    143                 getContext().checkUriPermission(mFirstUri, Process.myPid(),
    144                         Process.myUid(), Intent.FLAG_GRANT_WRITE_URI_PERMISSION));
    145 
    146         // Now reschedule the job to have it happen right now.
    147         mJobScheduler.schedule(mBuilder.setMinimumLatency(0)
    148                 .setClipData(mFirstClipData, Intent.FLAG_GRANT_READ_URI_PERMISSION
    149                         | Intent.FLAG_GRANT_WRITE_URI_PERMISSION).build());
    150         assertTrue("Job with storage not low constraint did not fire when storage not low.",
    151                 kTestEnvironment.awaitExecution());
    152 
    153         // Make sure the job still had the permission granted.
    154         assertEquals(PackageManager.PERMISSION_GRANTED, kTestEnvironment.getLastPermCheckRead());
    155         assertEquals(PackageManager.PERMISSION_GRANTED, kTestEnvironment.getLastPermCheckWrite());
    156 
    157         // And wait for everything to be cleaned up.
    158         waitPermissionRevoke(mFirstUri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION, 5000);
    159     }
    160 }
    161