| /* |
| * 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.rya.api.client.accumulo; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import java.util.List; |
| |
| import org.apache.accumulo.core.client.AccumuloException; |
| import org.apache.accumulo.core.client.AccumuloSecurityException; |
| import org.apache.accumulo.core.client.Connector; |
| import org.apache.rya.accumulo.instance.AccumuloRyaInstanceDetailsRepository; |
| import org.apache.rya.accumulo.utils.RyaTableNames; |
| import org.apache.rya.accumulo.utils.TablePermissions; |
| import org.apache.rya.api.client.AddUser; |
| import org.apache.rya.api.client.InstanceDoesNotExistException; |
| import org.apache.rya.api.client.RyaClientException; |
| import org.apache.rya.api.instance.RyaDetails; |
| import org.apache.rya.api.instance.RyaDetailsRepository.RyaDetailsRepositoryException; |
| import org.apache.rya.api.instance.RyaDetailsUpdater; |
| import org.apache.rya.api.instance.RyaDetailsUpdater.RyaDetailsMutator.CouldNotApplyMutationException; |
| import org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage.PCJStorageException; |
| |
| import edu.umd.cs.findbugs.annotations.DefaultAnnotation; |
| import edu.umd.cs.findbugs.annotations.NonNull; |
| |
| /** |
| * An Accumulo implementation of the {@link AddUser} command. |
| */ |
| @DefaultAnnotation(NonNull.class) |
| public class AccumuloAddUser extends AccumuloCommand implements AddUser { |
| |
| private static final TablePermissions TABLE_PERMISSIONS = new TablePermissions(); |
| |
| /** |
| * Constructs an instance of {@link AccumuloAddUser}. |
| * |
| * @param connectionDetails - Details about the values that were used to create |
| * the connector to the cluster. (not null) |
| * @param connector - Provides programmatic access to the instance of Accumulo |
| * that hosts Rya instance. (not null) |
| */ |
| public AccumuloAddUser( |
| final AccumuloConnectionDetails connectionDetails, |
| final Connector connector) { |
| super(connectionDetails, connector); |
| } |
| |
| @Override |
| public void addUser(final String instanceName, final String username) throws InstanceDoesNotExistException, RyaClientException { |
| requireNonNull(instanceName); |
| requireNonNull(username); |
| |
| // If the user has already been added, then return immediately. |
| try { |
| final RyaDetails details = new AccumuloRyaInstanceDetailsRepository(getConnector(), instanceName).getRyaInstanceDetails(); |
| final List<String> users = details.getUsers(); |
| if(users.contains(username)) { |
| return; |
| } |
| } catch (final RyaDetailsRepositoryException e) { |
| throw new RyaClientException("Could not fetch the RyaDetails for Rya instance named '" + instanceName + ".", e); |
| } |
| |
| // Update the instance details |
| final RyaDetailsUpdater updater = new RyaDetailsUpdater( new AccumuloRyaInstanceDetailsRepository(getConnector(), instanceName) ); |
| try { |
| updater.update(originalDetails -> RyaDetails.builder( originalDetails ).addUser(username).build()); |
| } catch (RyaDetailsRepositoryException | CouldNotApplyMutationException e) { |
| throw new RyaClientException("Could not add the user '" + username + "' to the Rya instance's details.", e); |
| } |
| |
| // Grant all access to all the instance's tables. |
| try { |
| // Build the list of tables that are present within the Rya instance. |
| final List<String> tables = new RyaTableNames().getTableNames(instanceName, getConnector()); |
| |
| // Update the user permissions for those tables. |
| for(final String table : tables) { |
| try { |
| TABLE_PERMISSIONS.grantAllPermissions(username, table, getConnector()); |
| } catch (AccumuloException | AccumuloSecurityException e) { |
| throw new RyaClientException("Could not grant access to table '" + table + "' for user '" + username + "'.", e); |
| } |
| } |
| } catch (PCJStorageException | RyaDetailsRepositoryException e) { |
| throw new RyaClientException("Could not determine which tables exist for the '" + instanceName + "' instance of Rya.", e); |
| } |
| } |
| } |