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/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.security.config.parser;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.security.auth.login.AppConfigurationEntry;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.events.Attribute;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;
import org.jboss.security.acl.config.ACLProviderEntry;
import org.jboss.security.audit.config.AuditProviderEntry;
import org.jboss.security.auth.login.AuthenticationInfo;
import org.jboss.security.auth.login.JASPIAuthenticationInfo;
import org.jboss.security.authorization.config.AuthorizationModuleEntry;
import org.jboss.security.config.ACLInfo;
import org.jboss.security.config.ApplicationPolicy;
import org.jboss.security.config.AuditInfo;
import org.jboss.security.config.AuthorizationInfo;
import org.jboss.security.config.Element;
import org.jboss.security.config.IdentityTrustInfo;
import org.jboss.security.config.MappingInfo;
import org.jboss.security.identitytrust.config.IdentityTrustModuleEntry;
import org.jboss.security.mapping.MappingType;
import org.jboss.security.mapping.config.MappingModuleEntry;
/**
* Stax based Application Policy Parser
*
* @author [email protected]
* @author Marcus Moyses
* @since Jan 22, 2010
*/
public class ApplicationPolicyParser implements XMLStreamConstants
{
@SuppressWarnings("unchecked")
public List parse(XMLEventReader xmlEventReader) throws XMLStreamException
{
List policies = new ArrayList();
while(xmlEventReader.hasNext())
{
XMLEvent xmlEvent = xmlEventReader.nextEvent();
int eventType = xmlEvent.getEventType();
switch(eventType)
{
case XMLStreamConstants.START_ELEMENT:
StartElement appPolicyElement = (StartElement) xmlEvent;
String elementName = StaxParserUtil.getStartElementName(appPolicyElement);
if("application-policy".equals(elementName) == false)
throw StaxParserUtil.unexpectedElement(elementName, xmlEvent);
//We got the application-policy element. It just has one attribute "name"
Iterator attrs = appPolicyElement.getAttributes();
String extendsName = null;
String appPolicyName = null;
while(attrs.hasNext())
{
Attribute attribute = attrs.next();
QName attributeName = attribute.getName();
String attributeValue = StaxParserUtil.getAttributeValue(attribute);
if("name".equals(attributeName.getLocalPart()))
appPolicyName = attributeValue;
else if("extends".equals(attributeName.getLocalPart()))
extendsName = attributeValue;
}
ApplicationPolicy applicationPolicy = new ApplicationPolicy(appPolicyName);
if(extendsName != null)
applicationPolicy.setBaseApplicationPolicyName(extendsName);
route(xmlEventReader, applicationPolicy);
policies.add(applicationPolicy);
}
}
return policies;
}
@SuppressWarnings({"unchecked", "rawtypes"})
private void route(XMLEventReader xmlEventReader, ApplicationPolicy appPolicy) throws XMLStreamException
{
while(true)
{
XMLEvent xmlEvent = xmlEventReader.peek();
if(xmlEvent == null)
return;
StartElement startElement = xmlEvent.asStartElement();
String elementName = StaxParserUtil.getStartElementName(startElement);
if("authentication".equals(elementName))
{
xmlEvent = xmlEventReader.nextEvent();
AuthenticationConfigParser parser = new AuthenticationConfigParser();
Set entries = parser.parse(xmlEventReader);
AuthenticationInfo authInfo = new AuthenticationInfo(appPolicy.getName());
authInfo.setAppConfigurationEntry(new ArrayList(entries));
appPolicy.setAuthenticationInfo(authInfo);
}
else if("authentication-jaspi".equals(elementName))
{
xmlEvent = xmlEventReader.nextEvent();
AuthenticationJASPIConfigParser parser = new AuthenticationJASPIConfigParser();
JASPIAuthenticationInfo authInfo = parser.parse(xmlEventReader);
appPolicy.setAuthenticationInfo(authInfo);
}
else if("authorization".equals(elementName))
{
xmlEvent = xmlEventReader.nextEvent();
AuthorizationConfigParser parser = new AuthorizationConfigParser();
Set entries = parser.parse(xmlEventReader);
AuthorizationInfo authInfo = new AuthorizationInfo(appPolicy.getName());
authInfo.add(new ArrayList(entries));
appPolicy.setAuthorizationInfo(authInfo);
}
else if("acl".equals(elementName))
{
xmlEvent = xmlEventReader.nextEvent();
AclConfigParser parser = new AclConfigParser();
Set entries = parser.parse(xmlEventReader);
ACLInfo aclInfo = new ACLInfo(appPolicy.getName());
aclInfo.add(new ArrayList(entries));
appPolicy.setAclInfo(aclInfo);
}
else if("rolemapping".equals(elementName))
{
xmlEvent = xmlEventReader.nextEvent();
MappingConfigParser parser = new MappingConfigParser();
List entries = parser.parse(xmlEventReader);
MappingInfo mappingInfo = new MappingInfo(appPolicy.getName());
mappingInfo.add(entries);
appPolicy.setMappingInfo(MappingType.ROLE.toString(), mappingInfo);
}
else if("mapping".equals(elementName))
{
xmlEvent = xmlEventReader.nextEvent();
MappingConfigParser parser = new MappingConfigParser();
List entries = parser.parse(xmlEventReader);
for(MappingModuleEntry entry: entries)
{
MappingInfo mappingInfo = new MappingInfo(appPolicy.getName());
mappingInfo.add(entry);
String moduleType = entry.getMappingModuleType();
appPolicy.setMappingInfo(moduleType, mappingInfo);
}
}
else if("audit".equals(elementName))
{
xmlEvent = xmlEventReader.nextEvent();
AuditConfigParser parser = new AuditConfigParser();
List entries = parser.parse(xmlEventReader);
AuditInfo authInfo = new AuditInfo(appPolicy.getName());
authInfo.add(entries);
appPolicy.setAuditInfo(authInfo);
}
else if("identity-trust".equals(elementName))
{
xmlEvent = xmlEventReader.nextEvent();
IdentityTrustConfigParser parser = new IdentityTrustConfigParser();
List entries = parser.parse(xmlEventReader);
IdentityTrustInfo authInfo = new IdentityTrustInfo(appPolicy.getName());
authInfo.add(entries);
appPolicy.setIdentityTrustInfo(authInfo);
}
else if("application-policy".equals(elementName)){
break;
}
else {
throw StaxParserUtil.unexpectedElement(elementName, xmlEvent);
}
}
}
public List parse(XMLStreamReader reader) throws XMLStreamException
{
List policies = null;
while (reader.hasNext() && reader.nextTag() != END_ELEMENT)
{
final Element element = Element.forName(reader.getLocalName());
if (element.equals(Element.APPLICATION_POLICY) || element.equals(Element.SECURITY_DOMAIN))
{
final int count = reader.getAttributeCount();
if (count == 0)
throw StaxParserUtil.missingRequired(reader, Collections.singleton(org.jboss.security.config.Attribute.NAME));
String name = null;
String extendsName = null;
for (int i = 0; i < count; i++)
{
final String value = reader.getAttributeValue(i);
final org.jboss.security.config.Attribute attribute = org.jboss.security.config.Attribute.forName(reader.getAttributeLocalName(i));
switch (attribute)
{
case NAME : {
name = value;
break;
}
case EXTENDS : {
extendsName = value;
break;
}
default :
throw StaxParserUtil.unexpectedAttribute(reader, i);
}
}
if (name == null)
throw StaxParserUtil.missingRequired(reader, Collections.singleton(org.jboss.security.config.Attribute.NAME));
final ApplicationPolicy applicationPolicy = new ApplicationPolicy(name);
if (extendsName != null)
applicationPolicy.setBaseApplicationPolicyName(extendsName);
route(reader, applicationPolicy);
if (policies == null)
policies = new ArrayList();
policies.add(applicationPolicy);
}
else
throw StaxParserUtil.unexpectedElement(reader);
}
return policies;
}
@SuppressWarnings({"unchecked", "rawtypes"})
private void route(XMLStreamReader reader, ApplicationPolicy appPolicy) throws XMLStreamException
{
while (reader.hasNext() && reader.nextTag() != END_ELEMENT)
{
final Element element = Element.forName(reader.getLocalName());
switch (element)
{
case ACL : {
AclConfigParser parser = new AclConfigParser();
Set entries = parser.parse(reader);
ACLInfo aclInfo = new ACLInfo(appPolicy.getName());
aclInfo.add(new ArrayList(entries));
appPolicy.setAclInfo(aclInfo);
break;
}
case AUDIT : {
AuditConfigParser parser = new AuditConfigParser();
List entries = parser.parse(reader);
AuditInfo authInfo = new AuditInfo(appPolicy.getName());
authInfo.add(entries);
appPolicy.setAuditInfo(authInfo);
break;
}
case AUTHENTICATION : {
AuthenticationConfigParser parser = new AuthenticationConfigParser();
Set entries = parser.parse(reader);
AuthenticationInfo authInfo = new AuthenticationInfo(appPolicy.getName());
authInfo.setAppConfigurationEntry(new ArrayList(entries));
appPolicy.setAuthenticationInfo(authInfo);
break;
}
case AUTHENTICATION_JASPI : {
AuthenticationJASPIConfigParser parser = new AuthenticationJASPIConfigParser();
JASPIAuthenticationInfo authInfo = parser.parse(reader);
appPolicy.setAuthenticationInfo(authInfo);
break;
}
case AUTHORIZATION : {
AuthorizationConfigParser parser = new AuthorizationConfigParser();
Set entries = parser.parse(reader);
AuthorizationInfo authInfo = new AuthorizationInfo(appPolicy.getName());
authInfo.add(new ArrayList(entries));
appPolicy.setAuthorizationInfo(authInfo);
break;
}
case IDENTITY_TRUST : {
IdentityTrustConfigParser parser = new IdentityTrustConfigParser();
List entries = parser.parse(reader);
IdentityTrustInfo authInfo = new IdentityTrustInfo(appPolicy.getName());
authInfo.add(entries);
appPolicy.setIdentityTrustInfo(authInfo);
break;
}
case MAPPING : {
MappingConfigParser parser = new MappingConfigParser();
List entries = parser.parse(reader);
for (MappingModuleEntry entry : entries)
{
MappingInfo mappingInfo = new MappingInfo(appPolicy.getName());
mappingInfo.add(entry);
String moduleType = entry.getMappingModuleType();
appPolicy.setMappingInfo(moduleType, mappingInfo);
}
break;
}
case ROLE_MAPPING : {
MappingConfigParser parser = new MappingConfigParser();
List entries = parser.parse(reader);
MappingInfo mappingInfo = new MappingInfo(appPolicy.getName());
mappingInfo.add(entries);
appPolicy.setMappingInfo(MappingType.ROLE.toString(), mappingInfo);
break;
}
default :
throw StaxParserUtil.unexpectedElement(reader);
}
}
}
}
