/**
* 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.wss4j.dom.action;
import java.security.cert.X509Certificate;
import javax.security.auth.callback.CallbackHandler;
import org.apache.wss4j.dom.WSConstants;
import org.apache.wss4j.common.EncryptionActionToken;
import org.apache.wss4j.common.SecurityActionToken;
import org.apache.wss4j.common.crypto.Crypto;
import org.apache.wss4j.common.crypto.CryptoType;
import org.apache.wss4j.common.ext.WSPasswordCallback;
import org.apache.wss4j.common.ext.WSSecurityException;
import org.apache.wss4j.dom.handler.RequestData;
import org.apache.wss4j.dom.handler.WSHandler;
import org.apache.wss4j.dom.handler.WSHandlerConstants;
import org.apache.wss4j.dom.message.WSSecEncrypt;
import org.w3c.dom.Document;
public class EncryptionAction implements Action {
public void execute(WSHandler handler, SecurityActionToken actionToken,
Document doc, RequestData reqData)
throws WSSecurityException {
WSSecEncrypt wsEncrypt = new WSSecEncrypt(reqData.getWssConfig());
EncryptionActionToken encryptionToken = null;
if (actionToken instanceof EncryptionActionToken) {
encryptionToken = (EncryptionActionToken)actionToken;
}
if (encryptionToken == null) {
encryptionToken = reqData.getEncryptionToken();
}
if (encryptionToken.getKeyIdentifierId() != 0) {
wsEncrypt.setKeyIdentifierType(encryptionToken.getKeyIdentifierId());
}
if (encryptionToken.getSymmetricAlgorithm() != null) {
wsEncrypt.setSymmetricEncAlgorithm(encryptionToken.getSymmetricAlgorithm());
}
if (encryptionToken.getKeyTransportAlgorithm() != null) {
wsEncrypt.setKeyEnc(encryptionToken.getKeyTransportAlgorithm());
}
if (encryptionToken.getDigestAlgorithm() != null) {
wsEncrypt.setDigestAlgorithm(encryptionToken.getDigestAlgorithm());
}
if (encryptionToken.getMgfAlgorithm() != null) {
wsEncrypt.setMGFAlgorithm(encryptionToken.getMgfAlgorithm());
}
wsEncrypt.setIncludeEncryptionToken(encryptionToken.isIncludeToken());
wsEncrypt.setUserInfo(encryptionToken.getUser());
wsEncrypt.setUseThisCert(encryptionToken.getCertificate());
Crypto crypto = encryptionToken.getCrypto();
boolean enableRevocation = Boolean.valueOf(handler.getStringOption(WSHandlerConstants.ENABLE_REVOCATION));
if (enableRevocation && crypto != null) {
CryptoType cryptoType = new CryptoType(CryptoType.TYPE.ALIAS);
cryptoType.setAlias(encryptionToken.getUser());
X509Certificate[] certs = crypto.getX509Certificates(cryptoType);
if (certs != null && certs.length > 0) {
crypto.verifyTrust(certs, enableRevocation, null);
}
}
if (encryptionToken.getParts().size() > 0) {
wsEncrypt.setParts(encryptionToken.getParts());
}
wsEncrypt.setEncryptSymmKey(encryptionToken.isEncSymmetricEncryptionKey());
byte[] ephemeralKey = encryptionToken.getKey();
if (!encryptionToken.isEncSymmetricEncryptionKey() && ephemeralKey == null) {
CallbackHandler callbackHandler =
handler.getPasswordCallbackHandler(reqData);
if (ephemeralKey == null) {
WSPasswordCallback passwordCallback =
handler.getPasswordCB(encryptionToken.getUser(), WSConstants.ENCR, callbackHandler, reqData);
ephemeralKey = passwordCallback.getKey();
}
}
wsEncrypt.setEphemeralKey(ephemeralKey);
if (encryptionToken.getTokenId() != null) {
wsEncrypt.setEncKeyId(encryptionToken.getTokenId());
}
if (encryptionToken.getTokenType() != null) {
wsEncrypt.setCustomReferenceValue(encryptionToken.getTokenType());
}
wsEncrypt.setAttachmentCallbackHandler(reqData.getAttachmentCallbackHandler());
try {
wsEncrypt.build(doc, encryptionToken.getCrypto(), reqData.getSecHeader());
} catch (WSSecurityException e) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "empty", e, "Error during encryption: ");
}
}
}