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// Portions Copyright [2018-2021] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.security.jauth.jaspic.provider;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import jakarta.xml.soap.MimeHeaders;
import jakarta.xml.soap.Name;
import jakarta.xml.soap.SOAPBody;
import jakarta.xml.soap.SOAPElement;
import jakarta.xml.soap.SOAPEnvelope;
import jakarta.xml.soap.SOAPException;
import jakarta.xml.soap.SOAPMessage;
import jakarta.xml.soap.SOAPPart;
import jakarta.xml.ws.handler.MessageContext;
import jakarta.xml.ws.handler.soap.SOAPMessageContext;
import com.sun.enterprise.deployment.MethodDescriptor;
import com.sun.enterprise.deployment.runtime.common.MessageDescriptor;
import com.sun.enterprise.deployment.runtime.common.MessageSecurityDescriptor;
import com.sun.enterprise.deployment.runtime.common.ProtectionDescriptor;
import com.sun.enterprise.security.jauth.AuthPolicy;
import com.sun.enterprise.security.webservices.LogUtils;
/**
* This class is the container's base interface to the AuthConfig subsystem to get AuthContext
* objects on which to invoke message layer authentication providers. It is not intended to be layer
* or web services specific (see getMechanisms method at end). The ServerAuthConfig and
* ClientAuthConfig classes extend this class.
*/
public class BaseAuthConfig {
private static final Logger logger = LogUtils.getLogger();
private Object defaultContext_;
// holds protected msd that applies to all methods (if there is one)
private MessageSecurityDescriptor superMSD_;
private int superIndex_;
private ArrayList contexts_;
private List messageSecurityDescriptors_;
private ArrayList contextsForOpcodes_;
private HashMap contextsForOpNames_;
private boolean onePolicy_;
private final Object contextLock = new Object();
private ExplicitNull explicitNull = new ExplicitNull();
protected BaseAuthConfig(Object context) {
defaultContext_ = context;
superMSD_ = null;
superIndex_ = -1;
messageSecurityDescriptors_ = null;
contexts_ = null;
contextsForOpcodes_ = null;
contextsForOpNames_ = null;
onePolicy_ = true;
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "WSS: New BAC defaultContext: {0}", defaultContext_);
}
}
protected BaseAuthConfig(List descriptors, ArrayList authContexts) {
defaultContext_ = null;
superMSD_ = null;
superIndex_ = -1;
messageSecurityDescriptors_ = descriptors;
contexts_ = authContexts;
contextsForOpcodes_ = null;
contextsForOpNames_ = null;
onePolicy_ = true;
for (int i = 0; i < descriptors.size(); i++) {
MessageSecurityDescriptor msd = (MessageSecurityDescriptor) descriptors.get(i);
// determine if all the different messageSecurityDesriptors have the
// same policy which will help us interpret the effective policy if
// we cannot determine the opcode of a request at runtime.
for (int j = 0; j < descriptors.size(); j++) {
if (j != i && !policiesAreEqual(msd, ((MessageSecurityDescriptor) descriptors.get(j)))) {
onePolicy_ = false;
}
}
}
for (int i = 0; defaultContext_ == null && i < descriptors.size(); i++) {
MessageSecurityDescriptor msd = (MessageSecurityDescriptor) descriptors.get(i);
AuthPolicy requestPolicy = getAuthPolicy(msd.getRequestProtectionDescriptor());
AuthPolicy responsePolicy = getAuthPolicy(msd.getResponseProtectionDescriptor());
boolean noProtection = (!requestPolicy.authRequired() && !responsePolicy.authRequired());
// if there is one policy, and it is null set the associated context as the
// defaultContext used for all messages.
if (i == 0 && onePolicy_ && noProtection) {
defaultContext_ = explicitNull;
break;
}
List mDs = msd.getMessageDescriptors();
for (int j = 0; mDs != null && j < mDs.size(); j++) {
MessageDescriptor mD = (MessageDescriptor) mDs.get(j);
MethodDescriptor methD = mD.getMethodDescriptor();
// if any msd covers all methods and operations.
if ((mD.getOperationName() == null && methD == null) || (methD != null && methD.getStyle() == 1)) {
if (onePolicy_) {
// if there is only one policy make it the default.
defaultContext_ = contexts_.get(i);
if (defaultContext_ == null) {
defaultContext_ = explicitNull;
}
break;
} else if (superIndex_ == -1) {
// if it has a noProtection policy make it the default.
if (noProtection) {
defaultContext_ = explicitNull;
} else {
superIndex_ = i;
}
} else if (!policiesAreEqual(msd, ((MessageSecurityDescriptor) descriptors.get(superIndex_)))) {
// if there are conflicting policies that cover all methods
// set the default policy to noProtection
defaultContext_ = explicitNull;
superIndex_ = -1;
break;
}
}
}
}
// if there is protected policy that applies to all methods remember the descriptor.
// Note that the corresponding policy is not null, and thus it is not the default.
// wherever there is a conflicting policy the effective policy will be noProtection.
if (superIndex_ >= 0) {
superMSD_ = (MessageSecurityDescriptor) descriptors.get(superIndex_);
}
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "WSS: new BAC defaultContext_: {0} superMSD index: {1} onePolicy_: {2}",
new Object[] { defaultContext_, superIndex_, onePolicy_ });
}
}
protected static AuthPolicy getAuthPolicy(ProtectionDescriptor pd) {
int sourceAuthType = AuthPolicy.SOURCE_AUTH_NONE;
boolean recipientAuth = false;
boolean beforeContent = false;
if (pd != null) {
String source = pd.getAttributeValue(ProtectionDescriptor.AUTH_SOURCE);
if (source != null) {
if (source.equals(AuthPolicy.SENDER)) {
sourceAuthType = AuthPolicy.SOURCE_AUTH_SENDER;
} else if (source.equals(AuthPolicy.CONTENT)) {
sourceAuthType = AuthPolicy.SOURCE_AUTH_CONTENT;
}
}
String recipient = pd.getAttributeValue(ProtectionDescriptor.AUTH_RECIPIENT);
if (recipient != null) {
recipientAuth = true;
if (recipient.equals(AuthPolicy.BEFORE_CONTENT)) {
beforeContent = true;
} else if (recipient.equals(AuthPolicy.AFTER_CONTENT)) {
beforeContent = false;
}
}
}
return new AuthPolicy(sourceAuthType, recipientAuth, beforeContent);
}
private static boolean isMatchingMSD(MethodDescriptor targetMD, MessageSecurityDescriptor mSD) {
List messageDescriptors = mSD.getMessageDescriptors();
if (messageDescriptors.isEmpty()) {
// If this happens the deployment descriptor is invalid.
//
// Unfortunately the deployment system does not catch such problems.
// This case will be treated the same as if there was an empty message
// element, and the deployment will be allowed to succeed.
return true;
}
for (int i = 0; i < messageDescriptors.size(); i++) {
MessageDescriptor nextMD = (MessageDescriptor) messageDescriptors.get(i);
MethodDescriptor mD = nextMD.getMethodDescriptor();
String opName = nextMD.getOperationName();
if (opName == null && (mD == null || mD.implies(targetMD))) {
return true;
}
}
return false;
}
private static boolean policiesAreEqual(MessageSecurityDescriptor reference, MessageSecurityDescriptor other) {
if (!getAuthPolicy(reference.getRequestProtectionDescriptor()).equals(getAuthPolicy(other.getRequestProtectionDescriptor())) ||
!getAuthPolicy(reference.getResponseProtectionDescriptor())
.equals(getAuthPolicy(other.getResponseProtectionDescriptor()))) {
return false;
}
return true;
}
/*
* When method argument is null, returns the default AC if there is one, or the onePolicy shared by
* all methods if there is one, or throws an error. method is called with null argument when the
* method cannot be determined (e.g. when the message is encrypted)
*/
private Object getContextForMethod(Method m) {
Object rvalue = null;
synchronized (contextLock) {
if (defaultContext_ != null) {
rvalue = defaultContext_;
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "WSS: ForMethod returning default_context: {0}", rvalue);
}
return rvalue;
}
}
if (m != null) {
int match = -1;
MethodDescriptor targetMD = new MethodDescriptor(m);
for (int i = 0; i < messageSecurityDescriptors_.size(); i++) {
if (isMatchingMSD(targetMD, (MessageSecurityDescriptor) messageSecurityDescriptors_.get(i))) {
if (match < 0) {
match = i;
} else if (!policiesAreEqual((MessageSecurityDescriptor) messageSecurityDescriptors_.get(match),
(MessageSecurityDescriptor) messageSecurityDescriptors_.get(i))) {
// set to unprotected because of conflicting policies
rvalue = explicitNull;
match = -1;
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "WSS: ForMethod detected conflicting policies: {0}.{1}", new Object[] { match, i });
}
break;
}
}
}
if (match >= 0) {
rvalue = contexts_.get(match);
if (rvalue == null) {
rvalue = explicitNull;
}
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "WSS: ForMethod returning matched context: {0}", rvalue);
}
}
} else if (onePolicy_ && contexts_.size() > 0) {
// ISSUE: since the method is undefined we will not be
// able to tell if the defined policy covers this method.
// We will be optimistic and try the policy, because
// the server will reject the call if the method is not
// covered by the policy.
// If the policy is not null, there remains a problem at the
// client on the response side, as it is possible that the
// client will enforce the wrong policy on the response.
// For this reason, messages in sun-application-client.xml
// should be keyed by operation-name.
rvalue = contexts_.get(0);
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "WSS: ForMethod resorting to first context: {0}", rvalue);
}
} else {
if (logger.isLoggable(Level.FINE)) {
logger.fine("WSS: Unable to select policy for SOAP Message");
}
throw new RuntimeException("Unable to select policy for Message");
}
return rvalue;
}
private static String getOpName(SOAPMessage message) {
String rvalue = null;
// first look for a SOAPAction header.
// this is what .net uses to identify the operation
MimeHeaders headers = message.getMimeHeaders();
if (headers != null) {
String[] actions = headers.getHeader("SOAPAction");
if (actions != null && actions.length > 0) {
rvalue = actions[0];
if (rvalue != null && rvalue.equals("\"\"")) {
rvalue = null;
}
}
}
// if that doesn't work then we default to trying the name
// of the first child element of the SOAP envelope.
if (rvalue == null) {
Name name = getName(message);
if (name != null) {
rvalue = name.getLocalName();
}
}
return rvalue;
}
private static String getOpName(SOAPMessageContext soapMC) {
String rvalue;
// first look for a the property value in the context
QName qName = (QName) soapMC.get(MessageContext.WSDL_OPERATION);
if (qName != null) {
rvalue = qName.getLocalPart();
} else {
rvalue = getOpName(soapMC.getMessage());
}
return rvalue;
}
private Object getContextForOpName(String operation) {
synchronized (contextLock) {
if (contextsForOpNames_ == null) {
// one time initialization of the opName to authContext array.
contextsForOpNames_ = new HashMap();
for (int i = 0; messageSecurityDescriptors_ != null && i < messageSecurityDescriptors_.size(); i++) {
MessageSecurityDescriptor mSD = (MessageSecurityDescriptor) messageSecurityDescriptors_.get(i);
List mDs = mSD.getMessageDescriptors();
for (int j = 0; mDs != null && j < mDs.size(); j++) {
MessageDescriptor mD = (MessageDescriptor) mDs.get(j);
String opName = mD.getOperationName();
if (opName != null) {
if (contextsForOpNames_.containsKey(opName)) {
Integer k = (Integer) contextsForOpNames_.get(opName);
if (k != null) {
MessageSecurityDescriptor other = (MessageSecurityDescriptor) messageSecurityDescriptors_
.get(k.intValue());
// set to null if different policies on operation
if (!policiesAreEqual(mSD, other)) {
contextsForOpNames_.put(opName, null);
}
}
} else if (superMSD_ != null && !policiesAreEqual(mSD, superMSD_)) {
// set to null if operation policy differs from superPolicy
contextsForOpNames_.put(opName, null);
} else {
contextsForOpNames_.put(opName, Integer.valueOf(i));
}
}
}
}
}
}
Object rvalue = null;
if (operation != null) {
if (contextsForOpNames_.containsKey(operation)) {
Integer k = (Integer) contextsForOpNames_.get(operation);
if (k != null) {
rvalue = contexts_.get(k.intValue());
}
} else if (superIndex_ >= 0) {
// if there is a msb that matches all methods, use the
// associatedContext
rvalue = contexts_.get(superIndex_);
}
if (rvalue == null) {
// else return explicitNull under the assumption
// that methodName was known, and no match was found
rvalue = explicitNull;
}
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "WSS: ForOpName={0} context: {1}", new Object[] { operation, rvalue });
}
}
return rvalue;
}
// DO NOT CALL THIS ON THE SERVER SIDE, as it will return a null
// context if there is no default context and there isn't a message
// element defined with the corresponding operation name (even though the
// corresponding method may be protected).
//
// This method is intended to be used by clients where it serves as a
// work-around for not being able to map the message to the method (due
// to lack of access to a streaming handler equivalent).
//
// This method will not be called when the handler argument passed in
// a call to getContext or getContextForOpCode is not null.
// Thus, server-side calls to these methods must pass a non-null
// handler argument.
private Object getContextForMessage(SOAPMessage message) {
String opName = getOpName(message);
Object rvalue = getContextForOpName(opName);
if (rvalue == null) {
// opName is not mapped or msg body is encrypted, and the best
// we can do is try to return a policy that applies to all
// operations, if there is one.
rvalue = getContextForMethod(null);
}
return rvalue;
}
// used by jaxws system handler delegates and handlers
protected Object getContext(SOAPMessageContext soapMC) {
Object rvalue = null;
synchronized (contextLock) {
if (defaultContext_ != null) {
rvalue = defaultContext_;
}
}
if (rvalue == null) {
Method m = getMethod(soapMC);
String opName = null;
if (m != null) {
rvalue = getContextForMethod(m);
}
if (rvalue == null) {
opName = getOpName(soapMC);
if (opName != null) {
rvalue = getContextForOpName(opName);
}
}
if (rvalue == null && (m == null || opName == null)) {
// we were unable to determine either method or
// opName, so lets see if one policy applies to all
rvalue = getContextForMethod(null);
}
}
if (rvalue != null && rvalue instanceof ExplicitNull) {
rvalue = null;
}
return rvalue;
}
private static Name getName(SOAPMessage message) {
Name rvalue = null;
SOAPPart soap = message.getSOAPPart();
if (soap != null) {
try {
SOAPEnvelope envelope = soap.getEnvelope();
if (envelope != null) {
SOAPBody body = envelope.getBody();
if (body != null) {
Iterator it = body.getChildElements();
while (it.hasNext()) {
Object o = it.next();
if (o instanceof SOAPElement) {
rvalue = ((SOAPElement) o).getElementName();
break;
}
}
}
}
} catch (SOAPException se) {
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "WSS: Unable to get SOAP envelope", se);
}
}
}
return rvalue;
}
public static Method getMethod(SOAPMessageContext soapMC) {
// It should never come here
return null;
}
// each instance of AuthConfig maps to one provider
// configuration, either via a message-security-binding, or a default
// provider-config.
// mechanisms are temporarily encapsulated here, until a method that
// returns the list of supported mechanisms is added to
// jauth.ServerAuthContext and jauth.ClientAuthContext.
public QName[] getMechanisms() {
return mechanisms;
}
// WSS security header QName
private static QName mechanisms[] = new QName[] {
new QName("http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd", "Security", "wsse") };
// internal class used to differentiate not protected from policy undefined or
// not determined.
static class ExplicitNull {
ExplicitNull() {
}
@Override
public boolean equals(Object other) {
return (other != null && other instanceof ExplicitNull ? true : false);
}
@Override
public int hashCode() {
return super.hashCode();
}
@Override
public String toString() {
return "ExplicitNull";
}
}
}