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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.*;
import javax.security.auth.login.AppConfigurationEntry;
import javax.security.auth.login.AppConfigurationEntry.LoginModuleControlFlag;
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.ClientLoginModule;
import org.jboss.security.PicketBoxMessages;
import org.jboss.security.auth.spi.BaseCertLoginModule;
import org.jboss.security.auth.spi.CertRolesLoginModule;
import org.jboss.security.auth.spi.DatabaseCertLoginModule;
import org.jboss.security.auth.spi.DatabaseServerLoginModule;
import org.jboss.security.auth.spi.IdentityLoginModule;
import org.jboss.security.auth.spi.LdapExtLoginModule;
import org.jboss.security.auth.spi.LdapLoginModule;
import org.jboss.security.auth.spi.RoleMappingLoginModule;
import org.jboss.security.auth.spi.RunAsLoginModule;
import org.jboss.security.auth.spi.SimpleServerLoginModule;
import org.jboss.security.auth.spi.UsersRolesLoginModule;
import org.jboss.security.config.Element;
import org.picketbox.datasource.security.CallerIdentityLoginModule;
import org.picketbox.datasource.security.ConfiguredIdentityLoginModule;
import org.picketbox.datasource.security.JaasSecurityDomainIdentityLoginModule;
import org.picketbox.datasource.security.PBEIdentityLoginModule;
import org.picketbox.datasource.security.SecureIdentityLoginModule;
/**
* Stax based JAAS authentication configuration Parser
*
* @author [email protected]
* @author Marcus Moyses
* @since Jan 22, 2010
*/
public class AuthenticationConfigParser implements XMLStreamConstants
{
public static final Map loginModulesMap;
static
{
final Map loginModules = new HashMap();
loginModules.put("Client", ClientLoginModule.class.getName());
loginModules.put("Certificate", BaseCertLoginModule.class.getName());
loginModules.put("CertificateRoles", CertRolesLoginModule.class.getName());
loginModules.put("DatabaseCertificate", DatabaseCertLoginModule.class.getName());
loginModules.put("Database", DatabaseServerLoginModule.class.getName());
loginModules.put("Identity", IdentityLoginModule.class.getName());
loginModules.put("Ldap", LdapLoginModule.class.getName());
loginModules.put("LdapExtended", LdapExtLoginModule.class.getName());
loginModules.put("RoleMapping", RoleMappingLoginModule.class.getName());
loginModules.put("RunAs", RunAsLoginModule.class.getName());
loginModules.put("Simple", SimpleServerLoginModule.class.getName());
loginModules.put("UsersRoles", UsersRolesLoginModule.class.getName());
loginModules.put("CallerIdentity", CallerIdentityLoginModule.class.getName());
loginModules.put("ConfiguredIdentity", ConfiguredIdentityLoginModule.class.getName());
loginModules.put("JaasSecurityDomainIdentity", JaasSecurityDomainIdentityLoginModule.class.getName());
loginModules.put("PBEIdentity", PBEIdentityLoginModule.class.getName());
loginModules.put("SecureIdentity", SecureIdentityLoginModule.class.getName());
loginModulesMap = Collections.unmodifiableMap(loginModules);
}
/**
* Parse the element
* @param xmlEventReader
* @return
* @throws XMLStreamException
*/
public Set parse(XMLEventReader xmlEventReader) throws XMLStreamException
{
Set entries = new LinkedHashSet();
while(xmlEventReader.hasNext())
{
XMLEvent xmlEvent = xmlEventReader.peek();
StartElement peekedStartElement = (StartElement) xmlEvent;
AppConfigurationEntry entry = null;
if("login-module".equals(StaxParserUtil.getStartElementName(peekedStartElement)))
{
entry = this.getEntry(xmlEventReader);
}
else
break;
entries.add(entry);
}
return entries;
}
@SuppressWarnings("unchecked")
private AppConfigurationEntry getEntry(XMLEventReader xmlEventReader) throws XMLStreamException
{
XMLEvent xmlEvent = xmlEventReader.nextEvent();
Map options = new HashMap();
String codeName = null;
LoginModuleControlFlag controlFlag = LoginModuleControlFlag.REQUIRED;
//We got the login-module element
StartElement loginModuleElement = (StartElement) xmlEvent;
//We got the login-module element
Iterator attrs = loginModuleElement.getAttributes();
while(attrs.hasNext())
{
Attribute attribute = attrs.next();
QName attQName = attribute.getName();
String attributeValue = StaxParserUtil.getAttributeValue(attribute);
if("code".equals(attQName.getLocalPart()))
{
codeName = attributeValue;
}
else if("flag".equals(attQName.getLocalPart()))
{
controlFlag = getControlFlag(attributeValue);
}
}
//See if there are options
ModuleOptionParser moParser = new ModuleOptionParser();
options.putAll(moParser.parse(xmlEventReader));
return new AppConfigurationEntry(codeName, controlFlag, options);
}
private LoginModuleControlFlag getControlFlag(String flag)
{
if("required".equalsIgnoreCase(flag))
return LoginModuleControlFlag.REQUIRED;
if("sufficient".equalsIgnoreCase(flag))
return LoginModuleControlFlag.SUFFICIENT;
if("optional".equalsIgnoreCase(flag))
return LoginModuleControlFlag.OPTIONAL;
if("requisite".equalsIgnoreCase(flag))
return LoginModuleControlFlag.REQUISITE;
throw PicketBoxMessages.MESSAGES.invalidControlFlag(flag);
}
/**
* Parse the element
* @param reader
* @return
* @throws XMLStreamException
*/
public Set parse(XMLStreamReader reader) throws XMLStreamException
{
Set entries = new LinkedHashSet();
while (reader.hasNext() && reader.nextTag() != END_ELEMENT)
{
final Element element = Element.forName(reader.getLocalName());
AppConfigurationEntry entry = null;
if (element.equals(Element.LOGIN_MODULE))
{
entry = getEntry(reader);
}
else
throw StaxParserUtil.unexpectedElement(reader);
entries.add(entry);
}
return entries;
}
private AppConfigurationEntry getEntry(XMLStreamReader reader) throws XMLStreamException
{
Map options = new HashMap();
String codeName = null;
LoginModuleControlFlag controlFlag = LoginModuleControlFlag.REQUIRED;
final int count = reader.getAttributeCount();
if (count < 2)
{
Set set = new HashSet();
set.add(org.jboss.security.config.Attribute.CODE);
set.add(org.jboss.security.config.Attribute.FLAG);
throw StaxParserUtil.missingRequired(reader, set);
}
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 CODE : {
// check if it's a known login module
if (loginModulesMap.containsKey(value))
codeName = loginModulesMap.get(value);
else
codeName = value;
break;
}
case FLAG : {
controlFlag = getControlFlag(value);
break;
}
default :
throw StaxParserUtil.unexpectedAttribute(reader, i);
}
}
//See if there are options
ModuleOptionParser moParser = new ModuleOptionParser();
options.putAll(moParser.parse(reader));
return new AppConfigurationEntry(codeName, controlFlag, options);
}
}
