| /** |
| * 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.util; |
| |
| import org.apache.wss4j.dom.WSConstants; |
| import org.apache.wss4j.common.ext.WSPasswordCallback; |
| import org.apache.wss4j.common.ext.WSSecurityException; |
| import org.apache.wss4j.common.util.XMLUtils; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| import javax.security.auth.callback.Callback; |
| import javax.security.auth.callback.CallbackHandler; |
| import javax.security.auth.callback.UnsupportedCallbackException; |
| import javax.xml.crypto.MarshalException; |
| import javax.xml.crypto.XMLStructure; |
| import javax.xml.crypto.dom.DOMStructure; |
| import javax.xml.crypto.dsig.XMLSignatureFactory; |
| import javax.xml.crypto.dsig.keyinfo.KeyInfo; |
| import javax.xml.crypto.dsig.keyinfo.KeyInfoFactory; |
| import javax.xml.crypto.dsig.keyinfo.KeyValue; |
| |
| import java.io.IOException; |
| import java.security.PublicKey; |
| import java.util.List; |
| |
| public final class X509Util { |
| private static final org.slf4j.Logger LOG = |
| org.slf4j.LoggerFactory.getLogger(X509Util.class); |
| |
| private X509Util() { |
| // Complete |
| } |
| |
| public static boolean isContent(Node encBodyData) { |
| if (encBodyData != null) { |
| String typeStr = ((Element)encBodyData).getAttributeNS(null, "Type"); |
| if (typeStr != null) { |
| return typeStr.equals(WSConstants.ENC_NS + "Content"); |
| } |
| } |
| return false; |
| } |
| |
| public static String getEncAlgo(Node encBodyData) throws WSSecurityException { |
| Element tmpE = |
| XMLUtils.getDirectChildElement( |
| encBodyData, "EncryptionMethod", WSConstants.ENC_NS |
| ); |
| String symEncAlgo = null; |
| if (tmpE != null) { |
| symEncAlgo = tmpE.getAttributeNS(null, "Algorithm"); |
| if (symEncAlgo == null || "".equals(symEncAlgo)) { |
| throw new WSSecurityException( |
| WSSecurityException.ErrorCode.UNSUPPORTED_ALGORITHM, "noEncAlgo" |
| ); |
| } |
| } |
| LOG.debug("Sym Enc Algo: {}", symEncAlgo); |
| return symEncAlgo; |
| } |
| |
| public static byte[] getSecretKey( |
| Element keyInfoElem, |
| String algorithm, |
| CallbackHandler cb |
| ) throws WSSecurityException { |
| String keyName = null; |
| Element keyNmElem = |
| XMLUtils.getDirectChildElement( |
| keyInfoElem, "KeyName", WSConstants.SIG_NS |
| ); |
| if (keyNmElem != null) { |
| keyName = XMLUtils.getElementText(keyNmElem); |
| } |
| if (keyName == null || keyName.length() <= 0) { |
| LOG.debug("No Key Name available"); |
| } |
| WSPasswordCallback pwCb = new WSPasswordCallback(keyName, WSPasswordCallback.SECRET_KEY); |
| pwCb.setAlgorithm(algorithm); |
| try { |
| cb.handle(new Callback[]{pwCb}); |
| } catch (IOException | UnsupportedCallbackException e) { |
| throw new WSSecurityException( |
| WSSecurityException.ErrorCode.FAILURE, e, |
| "noPassword", |
| new Object[] {keyName}); |
| } |
| byte[] decryptedData = pwCb.getKey(); |
| if (decryptedData == null) { |
| throw new WSSecurityException( |
| WSSecurityException.ErrorCode.FAILURE, |
| "noPassword", |
| new Object[] {keyName}); |
| } |
| return decryptedData; |
| } |
| |
| public static PublicKey parseKeyValue(Element keyInfoElement, |
| XMLSignatureFactory signatureFactory) throws WSSecurityException { |
| KeyValue keyValue = null; |
| try { |
| // |
| // Look for a KeyValue object |
| // |
| keyValue = getKeyValue(keyInfoElement, signatureFactory); |
| } catch (MarshalException ex) { |
| throw new WSSecurityException(WSSecurityException.ErrorCode.FAILED_CHECK, ex); |
| } |
| |
| if (keyValue != null) { |
| try { |
| // |
| // Look for a Public Key in Key Value |
| // |
| return keyValue.getPublicKey(); |
| } catch (java.security.KeyException ex) { |
| LOG.error(ex.getMessage(), ex); |
| throw new WSSecurityException(WSSecurityException.ErrorCode.FAILED_CHECK, ex); |
| } |
| } else { |
| throw new WSSecurityException( |
| WSSecurityException.ErrorCode.INVALID_SECURITY, "unsupportedKeyInfo" |
| ); |
| } |
| } |
| |
| /** |
| * Get the KeyValue object from the KeyInfo DOM element if it exists |
| */ |
| public static KeyValue getKeyValue(Element keyInfoElement, |
| XMLSignatureFactory signatureFactory) throws MarshalException { |
| XMLStructure keyInfoStructure = new DOMStructure(keyInfoElement); |
| KeyInfoFactory keyInfoFactory = signatureFactory.getKeyInfoFactory(); |
| KeyInfo keyInfo = keyInfoFactory.unmarshalKeyInfo(keyInfoStructure); |
| List<?> list = keyInfo.getContent(); |
| |
| for (int i = 0; i < list.size(); i++) { |
| XMLStructure xmlStructure = (XMLStructure) list.get(i); |
| if (xmlStructure instanceof KeyValue) { |
| return (KeyValue)xmlStructure; |
| } |
| } |
| return null; |
| } |
| |
| |
| } |