/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.hive.ql.security;

import java.net.URI;

import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse;
import org.apache.hadoop.hive.ql.security.authorization.StorageBasedAuthorizationProvider;

/**
 * TestStorageBasedClientSideAuthorizationProvider : Overrides
 * TestClientSideAuthorizationProvider to test StorageBasedAuthorizationProvider
 * on the client side.
 */

public class TestStorageBasedClientSideAuthorizationProvider extends
    TestClientSideAuthorizationProvider {

  @Override
  protected String getAuthorizationProvider(){
    return StorageBasedAuthorizationProvider.class.getName();
  }

  @Override
  protected void allowCreateInDb(String dbName, String userName, String location)
      throws Exception {
    setPermissions(location,"-rwxr--r--");
  }

  @Override
  protected void disallowCreateInDb(String dbName, String userName, String location)
      throws Exception {
    setPermissions(location,"-r--r--r--");
  }

  @Override
  protected void allowCreateInTbl(String tableName, String userName, String location)
      throws Exception{
    setPermissions(location,"-rwxr--r--");
  }


  @Override
  protected void disallowCreateInTbl(String tableName, String userName, String location)
      throws Exception {
    setPermissions(location,"-r--r--r--");
  }

  @Override
  protected void allowDropOnTable(String tblName, String userName, String location)
      throws Exception {
    setPermissions(location,"-rwxr--r--");
  }

  @Override
  protected void allowDropOnDb(String dbName, String userName, String location)
      throws Exception {
    setPermissions(location,"-rwxr--r--");
  }

  @Override
  protected void allowSelectOnTable(String tblName, String userName, String location)
      throws Exception {
    setPermissions(location,"-r--r--r--");
  }

  private void setPermissions(String locn, String permissions) throws Exception {
    FileSystem fs = FileSystem.get(new URI(locn), clientHiveConf);
    fs.setPermission(new Path(locn), FsPermission.valueOf(permissions));
  }

  @Override
  protected void assertNoPrivileges(CommandProcessorResponse ret){
    assertNotNull(ret);
    assertFalse(0 == ret.getResponseCode());
    assertTrue(ret.getErrorMessage().indexOf("AccessControlException") != -1);
  }


  @Override
  protected String getTestDbName(){
    return super.getTestDbName() + "_SBAP";
  }

  @Override
  protected String getTestTableName(){
    return super.getTestTableName() + "_SBAP";
  }

}