/**
* 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.cxf.rs.security.saml;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.logging.Logger;
import javax.ws.rs.core.Form;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import org.w3c.dom.Element;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageContentsList;
import org.apache.wss4j.common.saml.SamlAssertionWrapper;
public class SamlFormOutInterceptor extends AbstractSamlOutInterceptor {
private static final Logger LOG =
LogUtils.getL7dLogger(SamlFormOutInterceptor.class);
private static final String SAML_ELEMENT = "SAMLToken";
public void handleMessage(Message message) throws Fault {
Form form = getRequestForm(message);
if (form == null) {
return;
}
try {
Element samlToken =
(Element)message.getContextualProperty(SAMLConstants.SAML_TOKEN_ELEMENT);
SamlAssertionWrapper assertionWrapper;
if (samlToken != null) {
assertionWrapper = new SamlAssertionWrapper(samlToken);
} else {
assertionWrapper = createAssertion(message);
}
String encodedToken = encodeToken(assertionWrapper.assertionToString());
updateForm(form, encodedToken);
} catch (Exception ex) {
StringWriter sw = new StringWriter();
ex.printStackTrace(new PrintWriter(sw));
LOG.warning(sw.toString());
throw new Fault(new RuntimeException(ex.getMessage() + ", stacktrace: " + sw.toString()));
}
}
protected void updateForm(Form form, String encodedToken) {
form.param(SAML_ELEMENT, encodedToken);
}
@SuppressWarnings("unchecked")
protected Form getRequestForm(Message message) {
Object ct = message.get(Message.CONTENT_TYPE);
if (ct == null || !MediaType.APPLICATION_FORM_URLENCODED.equalsIgnoreCase(ct.toString())) {
return null;
}
MessageContentsList objs = MessageContentsList.getContentsList(message);
if (objs != null && objs.size() == 1) {
Object obj = objs.get(0);
if (obj instanceof Form) {
return (Form)obj;
} else if (obj instanceof MultivaluedMap) {
return new Form((MultivaluedMap<String, String>)obj);
}
}
return null;
}
}