| /* |
| * 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.DeploymentFactory; |
| 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 CompositeAuthzDeploymentContributor extends ProviderDeploymentContributorBase { |
| @Override |
| public String getRole() { |
| return "authorization"; |
| } |
| |
| @Override |
| public String getName() { |
| return "CompositeAuthz"; |
| } |
| |
| @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<>(); |
| } |
| |
| Map<String, String> providerParams = provider.getParams(); |
| String providerNames = providerParams.get("composite.provider.names"); |
| String[] names = parseProviderNames(providerNames); |
| for (String name : names) { |
| getProviderSpecificParams(resource, params, providerParams, name); |
| DeploymentFactory.getProviderContributor("authorization", name) |
| .contributeFilter(context, provider, service, resource, params); |
| params.clear(); |
| } |
| } |
| |
| String[] parseProviderNames(String providerNames) { |
| return providerNames.split(",\\s*"); |
| } |
| |
| void getProviderSpecificParams(ResourceDescriptor resource, List<FilterParamDescriptor> params, |
| Map<String, String> providerParams, String name) { |
| String entryName; |
| for(Entry<String, String> entry : providerParams.entrySet()) { |
| if (entry.getKey().startsWith(name + ".")) { |
| entryName = entry.getKey().substring(entry.getKey().indexOf('.') + 1); |
| FilterParamDescriptor fpd = resource.createFilterParam(); |
| params.add(fpd.name(entryName.toLowerCase(Locale.ROOT)).value(entry.getValue())); |
| } |
| } |
| } |
| } |