org.apache.ws.security.processor.SecurityContextTokenProcessor Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.ws.security.processor;
import org.apache.ws.security.WSConstants;
import org.apache.ws.security.WSDocInfo;
import org.apache.ws.security.WSPasswordCallback;
import org.apache.ws.security.WSSConfig;
import org.apache.ws.security.WSSecurityEngineResult;
import org.apache.ws.security.WSSecurityException;
import org.apache.ws.security.components.crypto.Crypto;
import org.apache.ws.security.message.token.SecurityContextToken;
import org.w3c.dom.Element;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;
import java.io.IOException;
import java.util.Vector;
/**
* The processor to process wsc:SecurityContextToken
.
*
* @author Ruchith Fernando ([email protected])
*/
public class SecurityContextTokenProcessor implements Processor {
/**
* The wsi:ID
of the wsc:SecurityContextToken
* element.
*/
private String sctId;
/**
* The secret associated with the wsc:SecurityContextToken
.
*/
private byte[] secret;
/**
* The wsc:Identifier
of the
* wsc:SecurityContextToken
element.
*/
private String identifier;
public void handleToken(
Element elem,
Crypto crypto,
Crypto decCrypto,
CallbackHandler cb,
WSDocInfo wsDocInfo,
Vector returnResults,
WSSConfig config
) throws WSSecurityException {
SecurityContextToken sct = new SecurityContextToken(elem);
this.identifier = sct.getIdentifier();
this.secret = this.getSecret(cb, sct);
this.sctId = sct.getID();
returnResults.add(
0,
new WSSecurityEngineResult(WSConstants.SCT, sct)
);
}
/**
* Get the secret from the provided callback handler and return it.
*
* @param cb
* @param sct
* @return The key collected using the callback handler
*/
private byte[] getSecret(CallbackHandler cb, SecurityContextToken sct)
throws WSSecurityException {
if (cb == null) {
throw new WSSecurityException(WSSecurityException.FAILURE, "noCallback");
}
WSPasswordCallback callback =
new WSPasswordCallback(
sct.getIdentifier(), WSPasswordCallback.SECURITY_CONTEXT_TOKEN
);
try {
Callback[] callbacks = new Callback[]{callback};
cb.handle(callbacks);
} catch (IOException e) {
throw new WSSecurityException(
WSSecurityException.FAILURE,
"noKey",
new Object[] {sct.getIdentifier()},
e
);
} catch (UnsupportedCallbackException e) {
throw new WSSecurityException(
WSSecurityException.FAILURE,
"noKey",
new Object[] {sct.getIdentifier()},
e
);
}
return callback.getKey();
}
/**
* Return the id of the
*/
public String getId() {
return this.sctId;
}
/**
* @return Returns the identifier.
*/
public String getIdentifier() {
return identifier;
}
/**
* @return Returns the secret.
*/
public byte[] getSecret() {
return secret;
}
}