| /* |
| * 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.knox.gateway.deploy.impl; |
| |
| import org.apache.knox.gateway.deploy.DeploymentContext; |
| import org.apache.knox.gateway.deploy.ProviderDeploymentContributorBase; |
| import org.apache.knox.gateway.descriptor.FilterParamDescriptor; |
| import org.apache.knox.gateway.descriptor.ResourceDescriptor; |
| import org.apache.knox.gateway.topology.Provider; |
| import org.apache.knox.gateway.topology.Service; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| public class AclsAuthzDeploymentContributor extends ProviderDeploymentContributorBase { |
| |
| private static final String FILTER_CLASSNAME = "org.apache.knox.gateway.filter.AclsAuthorizationFilter"; |
| |
| @Override |
| public String getRole() { |
| return "authorization"; |
| } |
| |
| @Override |
| public String getName() { |
| return "AclsAuthz"; |
| } |
| |
| @Override |
| public void initializeContribution(DeploymentContext context) { |
| super.initializeContribution(context); |
| } |
| |
| @Override |
| public void contributeProvider( DeploymentContext context, Provider provider ) { |
| } |
| |
| @Override |
| public void contributeFilter( DeploymentContext context, Provider provider, Service service, |
| ResourceDescriptor resource, List<FilterParamDescriptor> params ) { |
| if (params == null) { |
| params = new ArrayList<>(); |
| } |
| // add resource role to params so that we can determine the acls to enforce at runtime |
| params.add( resource.createFilterParam().name( "resource.role" ).value(resource.role() ) ); |
| |
| // the following are used within the AclsAuthz provider to replace |
| // placeholders within the acls KNOX_ADMIN_GROUPS and KNOX_ADMIN_USERS |
| String adminGroups = context.getGatewayConfig().getKnoxAdminGroups(); |
| params.add(resource.createFilterParam().name("knox.admin.groups").value(adminGroups)); |
| |
| String adminUsers = context.getGatewayConfig().getKnoxAdminUsers(); |
| params.add(resource.createFilterParam().name("knox.admin.users").value(adminUsers)); |
| |
| // blindly add all the provider params as filter init params |
| // this will include any {resource.role}-ACLS parameters to be enforced - such as NAMENODE-ACLS |
| Map<String, String> providerParams = provider.getParams(); |
| for(Entry<String, String> entry : providerParams.entrySet()) { |
| params.add( resource.createFilterParam().name( entry.getKey().toLowerCase(Locale.ROOT) ).value( entry.getValue() ) ); |
| } |
| |
| resource.addFilter().name( getName() ).role( getRole() ).impl( FILTER_CLASSNAME ).params( params ); |
| } |
| } |