server/manager/src/main/java/org/apache/accumulo/master/tableOps/tableImport/ImportSetupPermissions.java

/*
 * 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
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package org.apache.accumulo.master.tableOps.tableImport;

import org.apache.accumulo.core.clientImpl.thrift.ThriftSecurityException;
import org.apache.accumulo.core.security.TablePermission;
import org.apache.accumulo.fate.Repo;
import org.apache.accumulo.master.Master;
import org.apache.accumulo.master.tableOps.MasterRepo;
import org.apache.accumulo.server.security.AuditedSecurityOperation;
import org.apache.accumulo.server.security.SecurityOperation;
import org.slf4j.LoggerFactory;

class ImportSetupPermissions extends MasterRepo {

  private static final long serialVersionUID = 1L;

  private ImportedTableInfo tableInfo;

  public ImportSetupPermissions(ImportedTableInfo ti) {
    this.tableInfo = ti;
  }

  @Override
  public long isReady(long tid, Master environment) {
    return 0;
  }

  @Override
  public Repo<Master> call(long tid, Master env) throws Exception {
    // give all table permissions to the creator
    SecurityOperation security = AuditedSecurityOperation.getInstance(env.getContext());
    for (TablePermission permission : TablePermission.values()) {
      try {
        security.grantTablePermission(env.getContext().rpcCreds(), tableInfo.user,
            tableInfo.tableId, permission, tableInfo.namespaceId);
      } catch (ThriftSecurityException e) {
        LoggerFactory.getLogger(ImportSetupPermissions.class).error("{}", e.getMessage(), e);
        throw e;
      }
    }

    // setup permissions in zookeeper before table info in zookeeper
    // this way concurrent users will not get a spurious permission denied
    // error
    return new ImportPopulateZookeeper(tableInfo);
  }

  @Override
  public void undo(long tid, Master env) throws Exception {
    AuditedSecurityOperation.getInstance(env.getContext()).deleteTable(env.getContext().rpcCreds(),
        tableInfo.tableId, tableInfo.namespaceId);
  }
}