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/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.security.impl.policyconv;
import com.sun.xml.wss.impl.PolicyTypeUtil;
import com.sun.xml.wss.impl.policy.MLSPolicy;
import com.sun.xml.wss.impl.policy.SecurityPolicy;
import com.sun.xml.ws.security.policy.MessageLayout;
import com.sun.xml.wss.impl.policy.PolicyGenerationException;
import com.sun.xml.wss.impl.policy.mls.AuthenticationTokenPolicy;
import com.sun.xml.wss.impl.policy.mls.EncryptionPolicy;
import com.sun.xml.wss.impl.policy.mls.MessagePolicy;
import com.sun.xml.wss.impl.policy.mls.SignaturePolicy;
import com.sun.xml.wss.impl.policy.mls.Target;
import java.util.ArrayList;
import java.util.List;
import javax.xml.namespace.QName;
/**
*
* @author [email protected]
*/
public class XWSSPolicyContainer {
private boolean isServer;
private boolean isIncoming;
private boolean encPoliciesContain(QName qName, List encPolicies) {
if (qName.equals(Target.BODY_QNAME)) {
return false;
}
for (SecurityPolicy sp : encPolicies) {
if (PolicyTypeUtil.encryptionPolicy(sp)) {
EncryptionPolicy.FeatureBinding fb = (EncryptionPolicy.FeatureBinding) ((EncryptionPolicy) sp).getFeatureBinding();
ArrayList targets = fb.getTargetBindings();
for (int i = 0; i < targets.size(); i++) {
Target t = (Target) targets.get(i);
if (t.getType() == Target.TARGET_TYPE_VALUE_QNAME) {
if (qName.equals(t.getQName())) {
return true;
}
}
}
}
}
return false;
}
private void fixEncryptedTargetsInSignature(MessagePolicy msgPolicy,boolean isWSS11) {
boolean encryptBeforeSign = false;
boolean seenEncryptPolicy = false;
boolean seenSignPolicy = false;
List encPolicies = new ArrayList();
for (Object policy : msgPolicy.getPrimaryPolicies()) {
if (policy instanceof SecurityPolicy) {
SecurityPolicy secPolicy = (SecurityPolicy) policy;
if (PolicyTypeUtil.signaturePolicy(secPolicy)) {
seenSignPolicy = true;
if (!seenEncryptPolicy && isIncoming) {
encryptBeforeSign = true;
}
} else if (PolicyTypeUtil.encryptionPolicy(secPolicy)) {
seenEncryptPolicy = true;
if (!seenSignPolicy && !isIncoming) {
encryptBeforeSign = true;
}
encPolicies.add(secPolicy);
}
}
}
if (encryptBeforeSign) {
for (Object policy : msgPolicy.getPrimaryPolicies()) {
boolean containsEncryptedHeader =false;
if (policy instanceof SecurityPolicy) {
SecurityPolicy secPolicy = (SecurityPolicy) policy;
if (PolicyTypeUtil.signaturePolicy(secPolicy)) {
SignaturePolicy.FeatureBinding sfb = (SignaturePolicy.FeatureBinding) ((SignaturePolicy) secPolicy).getFeatureBinding();
ArrayList targets = sfb.getTargetBindings();
for (int i = 0; i < targets.size(); i++) {
Target t = (Target) targets.get(i);
if (t.getType() == Target.TARGET_TYPE_VALUE_QNAME) {
if (encPoliciesContain(t.getQName(), encPolicies)) {
if(isWSS11){
if (!containsEncryptedHeader) {
QName encHeaderQName = new QName("http://docs.oasis-open.org/wss/oasis-wss-wssecurity-secext-1.1.xsd", "EncryptedHeader");
t.setQName(encHeaderQName);
containsEncryptedHeader = true;
} else {
targets.remove(i);
}
}else {
if (!containsEncryptedHeader) {
QName encDataQName = new QName("http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd", "EncryptedData");
t.setQName(encDataQName);
containsEncryptedHeader = true;
} else {
targets.remove(i);
}
}
}
}
}
}
}
}
}
}
private enum Section {
ClientIncomingPolicy,
ClientOutgoingPolicy,
ServerIncomingPolicy,
ServerOutgoingPolicy
};
private Section section;
private List policyList;
private List effectivePolicyList;
private MessageLayout mode;
private int foundTimestamp = -1;
private boolean modified = false;
/** Creates a new instance of PolicyConverter */
public XWSSPolicyContainer(MessageLayout mode, boolean isServer, boolean isIncoming) {
this.mode = mode;
this.isServer = isServer;
this.isIncoming = isIncoming;
setMessageMode(isServer, isIncoming);
effectivePolicyList = new ArrayList();
}
public XWSSPolicyContainer(boolean isServer,boolean isIncoming) {
setMessageMode(isServer, isIncoming);
this.isServer = isServer;
this.isIncoming = isIncoming;
effectivePolicyList = new ArrayList();
}
public void setMessageMode(boolean isServer, boolean isIncoming) {
if ( isServer && isIncoming) {
section = Section.ServerIncomingPolicy;
} else if ( isServer && !isIncoming) {
section = Section.ServerOutgoingPolicy;
} else if ( !isServer && isIncoming) {
section = Section.ClientIncomingPolicy;
} else if ( !isServer && !isIncoming) {
section = Section.ClientOutgoingPolicy;
}
}
public void setPolicyContainerMode(MessageLayout mode){
this.mode = mode;
}
/**
* Insert into policyList
*
*
*/
public void insert(SecurityPolicy secPolicy ) {
if(secPolicy == null){
return;
}
if ( policyList == null ) {
policyList = new ArrayList();
}
if ( isSupportingToken(secPolicy)) {
switch (section) {
case ServerOutgoingPolicy:
case ClientIncomingPolicy:
return;
}
}
modified = true;
policyList.add(secPolicy);
}
public MessagePolicy getMessagePolicy(boolean isWSS11)throws PolicyGenerationException {
if ( modified ) {
convert();
modified = false;
}
MessagePolicy msgPolicy = new MessagePolicy();
msgPolicy.appendAll(effectivePolicyList);
removeEmptyPrimaryPolicies(msgPolicy);
fixEncryptedTargetsInSignature(msgPolicy,isWSS11);
return msgPolicy;
}
private void removeEmptyPrimaryPolicies(MessagePolicy msgPolicy) {
for ( Object policy : msgPolicy.getPrimaryPolicies() ) {
if ( policy instanceof SecurityPolicy) {
SecurityPolicy secPolicy = (SecurityPolicy)policy;
if ( PolicyTypeUtil.signaturePolicy(secPolicy)) {
if (((SignaturePolicy.FeatureBinding)((SignaturePolicy)secPolicy).getFeatureBinding()).getTargetBindings().size() == 0 ) {
msgPolicy.remove(secPolicy);
}
} else if ( PolicyTypeUtil.encryptionPolicy(secPolicy)) {
if (((EncryptionPolicy.FeatureBinding)((EncryptionPolicy)secPolicy).getFeatureBinding()).getTargetBindings().size() == 0 ) {
msgPolicy.remove(secPolicy);
}
}
}
}
}
/**
* Insert SecurityPolicy after supporting tokens.
*
*/
//private void appendAfterToken(SecurityPolicy xwssPolicy , Section section) {
private void appendAfterToken(SecurityPolicy xwssPolicy) {
int pos = -1;
for ( SecurityPolicy secPolicy : effectivePolicyList) {
if ( isSupportingToken(secPolicy) || isTimestamp(secPolicy)) {
continue;
} else {
pos = effectivePolicyList.indexOf(secPolicy);
break;
}
}
if ( pos != -1 ) {
effectivePolicyList.add(pos, xwssPolicy);
} else {
effectivePolicyList.add(xwssPolicy);
}
}
/**
* Insert SecurityPolicy before supporting Tokens.
*
*/
private void prependBeforeToken(SecurityPolicy xwssPolicy ) {
int pos = -1;
for ( SecurityPolicy secPolicy : effectivePolicyList) {
if ( !isSupportingToken(secPolicy)) {
continue;
} else {
pos = effectivePolicyList.indexOf(secPolicy);
}
}
if ( pos != -1 ) {
effectivePolicyList.add(pos, xwssPolicy);
} else {
effectivePolicyList.add(xwssPolicy);
}
}
/**
*
* Add Security policy.
*/
private void append(SecurityPolicy xwssPolicy ) {
effectivePolicyList.add(xwssPolicy);
}
/**
* Add SecurityPolicy.
*
*/
private void prepend(SecurityPolicy xwssPolicy) {
effectivePolicyList.add(0, xwssPolicy);
}
/**
*
* @return - true if xwssPolicy is SupportingToken policy else false.
*/
private boolean isSupportingToken( SecurityPolicy xwssPolicy ) {
if ( xwssPolicy == null ) {
return false;
}
//UsernameToken, SAML Token Policy, X509Certificate, issued token
if ( PolicyTypeUtil.authenticationTokenPolicy(xwssPolicy)) {
MLSPolicy binding = ((AuthenticationTokenPolicy)xwssPolicy).getFeatureBinding();
if ( PolicyTypeUtil.usernameTokenPolicy(binding) ||
PolicyTypeUtil.samlTokenPolicy(binding) ||
PolicyTypeUtil.x509CertificateBinding(binding) ||
PolicyTypeUtil.issuedTokenKeyBinding(binding)) {
return true;
}
}
return false;
}
/**
*
* @return - true if xwssPolicy is TimestampPolicy else false.
*/
private boolean isTimestamp( SecurityPolicy xwssPolicy ) {
if ( xwssPolicy != null && PolicyTypeUtil.timestampPolicy(xwssPolicy) ) {
return true;
}
return false;
}
/**
*
* Lax mode
*/
private void convertLax() {
for ( SecurityPolicy xwssPolicy : policyList ) {
if ( isTimestamp(xwssPolicy )) {
foundTimestamp = policyList.indexOf(xwssPolicy);
prepend(xwssPolicy);
continue;
}
if ( !isSupportingToken(xwssPolicy)) {
switch(section) {
case ClientIncomingPolicy:
prepend(xwssPolicy);
break;
case ClientOutgoingPolicy:
append(xwssPolicy);
break;
case ServerIncomingPolicy:
appendAfterToken(xwssPolicy);
break;
case ServerOutgoingPolicy:
append(xwssPolicy);
break;
}
} else if ( isSupportingToken(xwssPolicy) || isTimestamp(xwssPolicy)) {
prepend(xwssPolicy);
}
}
}
/**
*
* Strict mode.
*/
private void convertStrict() {
for ( SecurityPolicy xwssPolicy : policyList ) {
if ( isSupportingToken(xwssPolicy)) {
prepend(xwssPolicy);
} else if ( isTimestamp(xwssPolicy)) {
prepend(xwssPolicy);
} else {
switch (section ) {
case ClientIncomingPolicy:
appendAfterToken(xwssPolicy);
break;
case ClientOutgoingPolicy:
append(xwssPolicy);
break;
case ServerIncomingPolicy:
appendAfterToken(xwssPolicy);
break;
case ServerOutgoingPolicy:
append(xwssPolicy);
break;
}
}
}
}
/**
* LaxTsFirst mode.
*
*/
private void convertLaxTsFirst() {
convertLax();
if ( foundTimestamp != -1 ) {
switch (section ) {
case ClientOutgoingPolicy:
effectivePolicyList.add(0, effectivePolicyList.remove(foundTimestamp));
break;
case ServerOutgoingPolicy:
effectivePolicyList.add(0, effectivePolicyList.remove(foundTimestamp));
break;
}
}
}
/**
* LaxTsLast mode.
*
*/
private void convertLaxTsLast() {
convertLax();
if ( foundTimestamp != -1 ) {
switch (section) {
case ClientOutgoingPolicy:
effectivePolicyList.add(effectivePolicyList.size() -1, effectivePolicyList.remove(foundTimestamp));
break;
case ServerOutgoingPolicy:
effectivePolicyList.add(effectivePolicyList.size() -1, effectivePolicyList.remove(foundTimestamp));
break;
}
}
}
/**
*
* Convert WS-Security Policy to XWSS policy.
*/
public void convert() {
if ( MessageLayout.Lax == mode ) {
convertLax();
} else if ( MessageLayout.Strict == mode ) {
convertStrict();
} else if ( MessageLayout.LaxTsFirst == mode ) {
convertLaxTsFirst();
} else if ( MessageLayout.LaxTsLast == mode ) {
convertLaxTsLast();
}
}
}