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package com.sun.xml.wss;
import com.sun.xml.wss.impl.XWSSecurityRuntimeException;
import com.sun.xml.wss.impl.misc.DefaultRealmAuthenticationAdapter;
import com.sun.xml.wss.impl.misc.SecurityUtil;
import java.net.URL;
import java.util.Map;
import javax.security.auth.Subject;
/**
* This abstract class defines an SPI that Metro Application developers can implement, to handle custom
* username/password and username/Password-Digest authentication.
*
* The SPI implementation class needs to
* specified as a META-INF/services entry with name "com.sun.xml.xwss.RealmAuthenticator".
* A default implementation of this SPI is returned if no entry is configured.
*
*
*/
public abstract class RealmAuthenticationAdapter {
public static final String UsernameAuthenticator = "com.sun.xml.xwss.RealmAuthenticator";
private static final String SERVLET_CONTEXT_CLASSNAME = "javax.servlet.ServletContext";
// Prefixing with META-INF/ instead of /META-INF/. /META-INF/ is working fine
// when loading from a JAR file but not when loading from a plain directory.
private static final String JAR_PREFIX = "META-INF/";
/** Creates a new instance of RealmAuthenticator */
protected RealmAuthenticationAdapter() {
}
/**
*
* @param callerSubject the callerSubject should contain the appropriate principal's of the caller after a successful authentication
* @param username the username
* @param password the password
* @return true if authentication succeeds
* @throws com.sun.xml.wss.XWSSecurityException, if there is an authentication failure
*/
public abstract boolean authenticate(Subject callerSubject, String username, String password) throws XWSSecurityException;
/**
*
* @param callerSubject the callerSubject should contain the appropriate principal's of the caller after a successful authentication
* @param username the username
* @param password the password
* @param runtimeProps Map of runtime properties that can be used in authentication decision
* @return true if authentication succeeds
* @throws com.sun.xml.wss.XWSSecurityException, if there is an authentication failure
*/
public boolean authenticate(Subject callerSubject, String username, String password, Map runtimeProps) throws XWSSecurityException {
//make a default implementation for backward compatibility
return this.authenticate(callerSubject, username, password);
}
/**
*
* @param callerSubject the callerSubject should contain the appropriate principal's of the caller after a successful authentication
* @param username the username
* @param passwordDigest the password-digest
* @param nonce a nonce sent by the caller in the UsernameToken
* @param created the creation time of the UsernameToken
* @return true if authentication succeeds
* @throws com.sun.xml.wss.XWSSecurityException if there is an authentication failure
*/
public boolean authenticate(Subject callerSubject, String username, String passwordDigest, String nonce, String created) throws XWSSecurityException {
throw new XWSSecurityException("Default Implementation : Override this authenticate method in your RealmAuthenticationAdapter");
}
/**
*
* @param callerSubject the callerSubject should contain the appropriate principal's of the caller after a successful authentication
* @param username the username
* @param passwordDigest the password-digest
* @param nonce a nonce sent by the caller in the UsernameToken
* @param created the creation time of the UsernameToken
* @param runtimeProps Map of runtime properties that can be used in authentication decision
* @return true if authentication succeeds
* @throws com.sun.xml.wss.XWSSecurityException if there is an authentication failure
*/
public boolean authenticate(Subject callerSubject, String username, String passwordDigest, String nonce, String created, Map runtimeProps) throws XWSSecurityException {
//make a default implementation for backward compatibility
return this.authenticate(callerSubject, username, passwordDigest, nonce, created);
}
/**
*
* @param context optional context that can be used to locate the META-INF/services entry "com.sun.xml.xwss.RealmAuthenticator"
* @return a new instance of the RealmAuthenticationAdapter
*/
public static RealmAuthenticationAdapter newInstance(Object context) {
RealmAuthenticationAdapter adapter = null;
URL url = null;
if (context == null) {
url = SecurityUtil.loadFromClasspath("META-INF/services/" + UsernameAuthenticator);
} else {
url = SecurityUtil.loadFromContext("/META-INF/services/" + UsernameAuthenticator, context);
}
if (url != null) {
Object obj = SecurityUtil.loadSPIClass(url, UsernameAuthenticator);
if ((obj != null) && !(obj instanceof RealmAuthenticationAdapter)) {
throw new XWSSecurityRuntimeException("Class :" + obj.getClass().getName() + " is not a valid RealmAuthenticationProvider");
}
adapter = (RealmAuthenticationAdapter) obj;
}
if (adapter != null) {
return adapter;
}
return new DefaultRealmAuthenticationAdapter();
}
}
