Examples of java.security.PrivilegedExceptionAction

java.security.PrivilegedExceptionAction
A computation to be performed with privileges enabled, that throws one or more checked exceptions. The computation is performed by invoking AccessController.doPrivileged on the PrivilegedExceptionAction object. This interface is used only for computations that throw checked exceptions; computations that do not throw checked exceptions should use PrivilegedAction instead. @see AccessController @see AccessController#doPrivileged(PrivilegedExceptionAction) @see AccessController#doPrivileged(PrivilegedExceptionAction,AccessControlContext) @see PrivilegedAction

  }


  @Test
  public void testReadWrite() throws Exception {
    // action for checkAndDelete
    PrivilegedExceptionAction checkAndDeleteAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Delete d = new Delete(Bytes.toBytes("random_row"));
        d.deleteFamily(TEST_FAMILY);
        HTable t = new HTable(conf, TEST_TABLE);
        try {
          t.checkAndDelete(Bytes.toBytes("random_row"), TEST_FAMILY, Bytes.toBytes("q"),
            Bytes.toBytes("test_value"), d);
        } finally {
          t.close();
        }
        return null;
      }
    };
    verifyReadWrite(checkAndDeleteAction);


    // action for checkAndPut()
    PrivilegedExceptionAction checkAndPut = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Put p = new Put(Bytes.toBytes("random_row"));
        p.add(TEST_FAMILY, Bytes.toBytes("Qualifier"), Bytes.toBytes(1));
        HTable t = new HTable(conf, TEST_TABLE);
        try {

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    fs.mkdirs(dir);
    //need to make it globally writable
    //so users creating HFiles have write permissions
    fs.setPermission(dir, FsPermission.valueOf("-rwxrwxrwx"));


    PrivilegedExceptionAction bulkLoadAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        int numRows = 3;


        //Making the assumption that the test table won't split between the range
        byte[][][] hfileRanges = {{{(byte)0}, {(byte)9}}};

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  }


  @Test
  public void testAppend() throws Exception {


    PrivilegedExceptionAction appendAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        byte[] row = Bytes.toBytes("random_row");
        byte[] qualifier = Bytes.toBytes("q");
        Put put = new Put(row);
        put.add(TEST_FAMILY, qualifier, Bytes.toBytes(1));

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  }


  @Test
  public void testGrantRevoke() throws Exception {


    PrivilegedExceptionAction grantAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        HTable acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
        try {
          AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
            TEST_TABLE);
          protocol.grant(new UserPermission(Bytes.toBytes(USER_RO.getShortName()), TEST_TABLE,
            TEST_FAMILY, (byte[]) null, Action.READ));
        } finally {
          acl.close();
        }
        return null;
      }
    };


    PrivilegedExceptionAction revokeAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        HTable acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
        try {
          AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
            TEST_TABLE);
          protocol.revoke(new UserPermission(Bytes.toBytes(USER_RO.getShortName()), TEST_TABLE,
            TEST_FAMILY, (byte[]) null, Action.READ));
        } finally {
          acl.close();
        }
        return null;
      }
    };


    PrivilegedExceptionAction getPermissionsAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        HTable acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
        try {
          AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
            TEST_TABLE);

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        .createUserForTesting(TEST_UTIL.getConfiguration(), "tbluser", new String[0]);
    User gblUser = User
        .createUserForTesting(TEST_UTIL.getConfiguration(), "gbluser", new String[0]);


    // prepare actions:
    PrivilegedExceptionAction putActionAll = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Put p = new Put(Bytes.toBytes("a"));
        p.add(family1, qualifier, Bytes.toBytes("v1"));
        p.add(family2, qualifier, Bytes.toBytes("v2"));
        HTable t = new HTable(conf, tableName);
        try {
          t.put(p);
        } finally {
          t.close();
        }
        return null;
      }
    };
    PrivilegedExceptionAction putAction1 = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Put p = new Put(Bytes.toBytes("a"));
        p.add(family1, qualifier, Bytes.toBytes("v1"));
        HTable t = new HTable(conf, tableName);
        try {
          t.put(p);
        } finally {
          t.close();
        }
        return null;
      }
    };
    PrivilegedExceptionAction putAction2 = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Put p = new Put(Bytes.toBytes("a"));
        p.add(family2, qualifier, Bytes.toBytes("v2"));
        HTable t = new HTable(conf, tableName);
        try {
          t.put(p);
        } finally {
          t.close();
        }
        return null;
      }
    };
    PrivilegedExceptionAction getActionAll = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Get g = new Get(Bytes.toBytes("random_row"));
        g.addFamily(family1);
        g.addFamily(family2);
        HTable t = new HTable(conf, tableName);
        try {
          t.get(g);
        } finally {
          t.close();
        }
        return null;
      }
    };
    PrivilegedExceptionAction getAction1 = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Get g = new Get(Bytes.toBytes("random_row"));
        g.addFamily(family1);
        HTable t = new HTable(conf, tableName);
        try {
          t.get(g);
        } finally {
          t.close();
        }
        return null;
      }
    };
    PrivilegedExceptionAction getAction2 = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Get g = new Get(Bytes.toBytes("random_row"));
        g.addFamily(family2);
        HTable t = new HTable(conf, tableName);
        try {
          t.get(g);
        } finally {
          t.close();
        }
        return null;
      }
    };
    PrivilegedExceptionAction deleteActionAll = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Delete d = new Delete(Bytes.toBytes("random_row"));
        d.deleteFamily(family1);
        d.deleteFamily(family2);
        HTable t = new HTable(conf, tableName);
        try {
          t.delete(d);
        } finally {
          t.close();
        }
        return null;
      }
    };
    PrivilegedExceptionAction deleteAction1 = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Delete d = new Delete(Bytes.toBytes("random_row"));
        d.deleteFamily(family1);
        HTable t = new HTable(conf, tableName);
        try {
          t.delete(d);
        } finally {
          t.close();
        }
        return null;
      }
    };
    PrivilegedExceptionAction deleteAction2 = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Delete d = new Delete(Bytes.toBytes("random_row"));
        d.deleteFamily(family2);
        HTable t = new HTable(conf, tableName);
        try {

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    admin.createTable(htd);


    // create temp users
    User user = User.createUserForTesting(TEST_UTIL.getConfiguration(), "user", new String[0]);


    PrivilegedExceptionAction getQualifierAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Get g = new Get(Bytes.toBytes("random_row"));
        g.addColumn(family1, qualifier);
        HTable t = new HTable(conf, tableName);
        try {
          t.get(g);
        } finally {
          t.close();
        }
        return null;
      }
    };
    PrivilegedExceptionAction putQualifierAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Put p = new Put(Bytes.toBytes("random_row"));
        p.add(family1, qualifier, Bytes.toBytes("v1"));
        HTable t = new HTable(conf, tableName);
        try {
          t.put(p);
        } finally {
          t.close();
        }
        return null;
      }
    };
    PrivilegedExceptionAction deleteQualifierAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        Delete d = new Delete(Bytes.toBytes("random_row"));
        d.deleteColumn(family1, qualifier);
        // d.deleteFamily(family1);
        HTable t = new HTable(conf, tableName);

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    }
  }


  @Test
  public void testLockAction() throws Exception {
    PrivilegedExceptionAction lockAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        ACCESS_CONTROLLER.preLockRow(ObserverContext.createAndPrepare(RCP_ENV, null), null,
          Bytes.toBytes("random_row"));
        return null;
      }

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    verifyDenied(lockAction, USER_RO, USER_RW, USER_NONE);
  }


  @Test
  public void testUnLockAction() throws Exception {
    PrivilegedExceptionAction unLockAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        ACCESS_CONTROLLER.preUnlockRow(ObserverContext.createAndPrepare(RCP_ENV, null), null,
          123456);
        return null;
      }

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    verifyDenied(unLockAction, USER_NONE, USER_RO, USER_RW);
  }


  @Test
  public void testStopRegionServer() throws Exception {
    PrivilegedExceptionAction action = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        ACCESS_CONTROLLER.preStopRegionServer(ObserverContext.createAndPrepare(RSCP_ENV, null));
        return null;
      }
    };

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    verifyDenied(action, USER_CREATE, USER_OWNER, USER_RW, USER_RO, USER_NONE);
  }


  @Test
  public void testOpenRegion() throws Exception {
    PrivilegedExceptionAction action = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        ACCESS_CONTROLLER.preOpen(ObserverContext.createAndPrepare(RCP_ENV, null));
        return null;
      }
    };

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