/*
* 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.tuscany.sca.policy.security.http;
import java.util.ArrayList;
import java.util.List;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.assembly.ConfiguredOperation;
import org.apache.tuscany.sca.assembly.OperationsConfigurator;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Phase;
import org.apache.tuscany.sca.policy.PolicySet;
import org.apache.tuscany.sca.policy.authorization.AuthorizationPolicy;
import org.apache.tuscany.sca.policy.security.http.extensibility.LDAPSecurityHandler;
import org.apache.tuscany.sca.provider.PolicyProvider;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
/**
*
* @version $Rev: 830026 $ $Date: 2009-10-26 23:44:59 +0000 (Mon, 26 Oct 2009) $
*/
public class LDAPRealmAuthenticationServicePolicyProvider implements PolicyProvider {
private RuntimeComponent component;
private RuntimeComponentService service;
private Binding binding;
LDAPSecurityHandler securityHandler;
private List<Operation> operations = new ArrayList<Operation>();
public LDAPRealmAuthenticationServicePolicyProvider(RuntimeComponent component, RuntimeComponentService service, Binding binding, LDAPSecurityHandler securityHandler) {
super();
this.component = component;
this.service = service;
this.binding = binding;
this.securityHandler = securityHandler;
this.operations.addAll(service.getInterfaceContract().getInterface().getOperations());
}
public String getPhase() {
return Phase.SERVICE_BINDING_POLICY;
}
public Interceptor createInterceptor(Operation operation) {
List<LDAPRealmAuthenticationPolicy> authenticationPolicies = null;
List<AuthorizationPolicy> authorizationPolicies = null;
if (operation != null) {
authenticationPolicies = findAuthenticationPolicies(operation);
authorizationPolicies = findAuthorizationPolicies(operation);
}
if (authenticationPolicies == null || authenticationPolicies.isEmpty()) {
return null;
} else {
return new LDAPRealmAuthenticationInterceptor(securityHandler, authenticationPolicies, authorizationPolicies);
}
}
/**
* Private utility methods
*/
/**
* Find applicable authorization policySets
* It first check if any explicitly policySet was identified
* Otherwise it look into the list of applicablePolicySets
* @param op
* @return
*/
private List<LDAPRealmAuthenticationPolicy> findAuthenticationPolicies(Operation op) {
List<LDAPRealmAuthenticationPolicy> polices = new ArrayList<LDAPRealmAuthenticationPolicy>();
// check explicity added policies first
ConfiguredOperation configuredOperation = findOperation(op);
if (configuredOperation!= null && configuredOperation.getPolicySets().size() > 0) {
for ( PolicySet ps : configuredOperation.getPolicySets()) {
for (Object p : ps.getPolicies()) {
if (p instanceof LDAPRealmAuthenticationPolicy) {
polices.add((LDAPRealmAuthenticationPolicy)p);
}
}
}
}
// otherwise find applicable policySets
if ( polices.size() == 0) {
// FIXME: How do we get a list of effective policySets for a given operation?
for(Operation operation : operations) {
if (operation!= null && operation.getName() != null && operation.getName().equals(op.getName())) {
for (PolicySet ps : operation.getPolicySets()) {
for (Object p : ps.getPolicies()) {
if (p instanceof LDAPRealmAuthenticationPolicy) {
polices.add((LDAPRealmAuthenticationPolicy)p);
}
}
}
}
}
if (service instanceof OperationsConfigurator) {
OperationsConfigurator operationsConfigurator = (OperationsConfigurator)service;
for (ConfiguredOperation cop : operationsConfigurator.getConfiguredOperations()) {
if (cop!= null && cop.getName() != null && cop.getName().equals(op.getName())) {
for (PolicySet ps : cop.getApplicablePolicySets()) {
for (Object p : ps.getPolicies()) {
if (p instanceof LDAPRealmAuthenticationPolicy) {
polices.add((LDAPRealmAuthenticationPolicy)p);
}
}
}
}
}
}
List<PolicySet> policySets = service.getPolicySets();
for (PolicySet ps : policySets) {
for (Object p : ps.getPolicies()) {
if (p instanceof LDAPRealmAuthenticationPolicy) {
polices.add((LDAPRealmAuthenticationPolicy)p);
}
}
}
}
return polices;
}
/**
* Find applicable authorization policySets
* It first check if any explicitly policySet was identified
* Otherwise it look into the list of applicablePolicySets
* @param op
* @return
*/
private List<AuthorizationPolicy> findAuthorizationPolicies(Operation op) {
List<AuthorizationPolicy> polices = new ArrayList<AuthorizationPolicy>();
// check explicity added policies first
ConfiguredOperation configuredOperation = findOperation(op);
if (configuredOperation!= null && configuredOperation.getPolicySets().size() > 0) {
for ( PolicySet ps : configuredOperation.getPolicySets()) {
for (Object p : ps.getPolicies()) {
if (p instanceof AuthorizationPolicy) {
polices.add((AuthorizationPolicy)p);
}
}
}
}
// otherwise find applicable policySets
if ( polices.size() == 0) {
// FIXME: How do we get a list of effective policySets for a given operation?
for(Operation operation : operations) {
if (operation!= null && operation.getName() != null && operation.getName().equals(op.getName())) {
for (PolicySet ps : operation.getPolicySets()) {
for (Object p : ps.getPolicies()) {
if (p instanceof AuthorizationPolicy) {
polices.add((AuthorizationPolicy)p);
}
}
}
}
}
if (service instanceof OperationsConfigurator) {
OperationsConfigurator operationsConfigurator = (OperationsConfigurator)service;
for (ConfiguredOperation cop : operationsConfigurator.getConfiguredOperations()) {
if (cop != null && cop.getName() != null && cop.getName().equals(op.getName())) {
for (PolicySet ps : cop.getApplicablePolicySets()) {
for (Object p : ps.getPolicies()) {
if (p instanceof AuthorizationPolicy) {
polices.add((AuthorizationPolicy)p);
}
}
}
}
}
}
List<PolicySet> policySets = service.getPolicySets();
for (PolicySet ps : policySets) {
for (Object p : ps.getPolicies()) {
if (p instanceof AuthorizationPolicy) {
polices.add((AuthorizationPolicy)p);
}
}
}
}
return polices;
}
/**
* Find a given configured operation
* @param operation
* @return
*/
private ConfiguredOperation findOperation(Operation operation) {
ConfiguredOperation configuredOperation = null;
for (ConfiguredOperation cOperation : ((OperationsConfigurator)component).getConfiguredOperations()) {
if(cOperation.getName().equals(operation.getName())) {
configuredOperation = cOperation;
break;
}
}
return configuredOperation;
}
}