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package com.sun.enterprise.security.ssl;
import java.net.Socket;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.security.Principal;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import javax.net.ssl.X509KeyManager;
import javax.security.auth.Subject;
import com.sun.enterprise.Switch;
import com.sun.enterprise.InvocationManager;
import com.sun.enterprise.ComponentInvocation;
import com.sun.enterprise.appclient.AppContainer;
import com.sun.enterprise.security.ClientSecurityContext;
import com.sun.enterprise.security.auth.login.X509CertificateCredential;
import com.sun.enterprise.security.auth.LoginContextDriver;
import com.sun.enterprise.InvocationException;
import java.util.logging.*;
import com.sun.logging.*;
/**
* This a J2EE specific Key Manager class that is used to select
* user certificates for SSL client authentication. It delegates most
* of the functionality to the provider specific KeyManager class.
* @author Vivek Nagar
* @author Harpreet Singh
*/
public final class J2EEKeyManager implements X509KeyManager {
private static Logger _logger=null;
static {
_logger=LogDomains.getLogger(LogDomains.SECURITY_LOGGER);
}
private X509KeyManager mgr = null; // delegate
private String alias = null;
private Map tokenName2MgrMap = null;
private boolean supportTokenAlias = false;
public J2EEKeyManager(X509KeyManager mgr, String alias) {
this.mgr = mgr;
this.alias = alias;
if (mgr instanceof UnifiedX509KeyManager) {
UnifiedX509KeyManager umgr = (UnifiedX509KeyManager)mgr;
X509KeyManager[] mgrs = umgr.getX509KeyManagers();
String[] tokenNames = umgr.getTokenNames();
tokenName2MgrMap = new HashMap();
for (int i = 0; i < mgrs.length; i++) {
if (tokenNames[i] != null) {
tokenName2MgrMap.put(tokenNames[i], mgrs[i]);
}
}
supportTokenAlias = (tokenName2MgrMap.size() > 0);
}
}
/**
* Choose the client alias that will be used to select the client
* certificate for SSL client auth.
* @param the keytype
* @param the certificate issuers.
* @param the socket used for this connection. This parameter can be null,
* in which case the method will return the most generic alias to use.
* @return the alias.
*/
public String chooseClientAlias(String[] keyType, Principal[] issuers,
Socket socket) {
String alias = null;
if(this.alias == null){
InvocationManager im = Switch.getSwitch().getInvocationManager();
if(im == null) {
// standalone client
alias = mgr.chooseClientAlias(keyType, issuers, socket);
} else {
ComponentInvocation ci = im.getCurrentInvocation();
if (ci == null) { // 4646060
throw new InvocationException();
}
Object containerContext = ci.getContainerContext();
if(containerContext != null &&
(containerContext instanceof AppContainer)) {
ClientSecurityContext ctx = ClientSecurityContext.getCurrent();
Subject s = ctx.getSubject();
if(s == null) {
// pass the handler and do the login
LoginContextDriver.doClientLogin(AppContainer.CERTIFICATE,
AppContainer.getCallbackHandler());
s = ctx.getSubject();
}
Iterator itr = s.getPrivateCredentials().iterator();
while(itr.hasNext()) {
Object o = itr.next();
if(o instanceof X509CertificateCredential) {
X509CertificateCredential crt =
(X509CertificateCredential) o;
alias = crt.getAlias();
break;
}
}
}
}
}else{
alias = this.alias;
}
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE,
"Choose client Alias :" + alias);
}
return alias;
}
/**
* Choose the server alias that will be used to select the server
* certificate for SSL server auth.
* @param the keytype
* @param the certificate issuers.
* @param the socket used for this connection. This parameter can be null,
* in which case the method will return the most generic alias to use.
* @return the alias
*/
public String chooseServerAlias(String keyType, Principal[] issuers,
Socket socket) {
String alias = null;
if(this.alias != null){
alias = this.alias;
}else{
alias = mgr.chooseServerAlias(keyType, issuers, socket);
}
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE,"Choosing server alias :"+ alias);
}
return alias;
}
/**
* Return the certificate chain for the specified alias.
* @param the alias.
* @return the chain of X509 Certificates.
*/
public X509Certificate[] getCertificateChain(String alias) {
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE,"Getting certificate chain");
}
X509KeyManager keyMgr = getManagerFromToken(alias);
if (keyMgr != null) {
String aliasName = alias.substring(alias.indexOf(':') + 1);
return keyMgr.getCertificateChain(aliasName);
} else {
return mgr.getCertificateChain(alias);
}
}
/**
* Return all the available client aliases for the specified key type.
* @param the keytype
* @param the certificate issuers.
* @return the array of aliases.
*/
public String[] getClientAliases(String keyType, Principal[] issuers) {
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE,"Getting client aliases");
}
return mgr.getClientAliases(keyType, issuers);
}
/**
* Return all the available server aliases for the specified key type.
* @param the keytype
* @param the certificate issuers.
* @return the array of aliases.
*/
public String[] getServerAliases(String keyType, Principal[] issuers) {
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE,"Getting server aliases");
}
return mgr.getServerAliases(keyType, issuers);
}
/**
* Return the private key for the specified alias.
* @param the alias.
* @return the private key.
*/
public PrivateKey getPrivateKey(String alias) {
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE,"Getting private key for alias:" + alias);
}
X509KeyManager keyMgr = getManagerFromToken(alias);
if (keyMgr != null) {
String aliasName = alias.substring(alias.indexOf(':') + 1);
return keyMgr.getPrivateKey(aliasName);
} else {
return mgr.getPrivateKey(alias);
}
}
/**
* Find the corresponding X509KeyManager associated to token in alias.
* It returns null if there is n
* @param tokenAlias of the form <tokenName>:<aliasName>
*/
private X509KeyManager getManagerFromToken(String tokenAlias) {
X509KeyManager keyMgr = null;
int ind = -1;
if (supportTokenAlias && tokenAlias != null && (ind = tokenAlias.indexOf(':')) != -1) {
String tokenName = alias.substring(0, ind);
keyMgr = (X509KeyManager)tokenName2MgrMap.get(tokenName);
}
return keyMgr;
}
}