/**
* 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.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.Phase;
import org.apache.wss4j.common.saml.SamlAssertionWrapper;
import org.apache.wss4j.common.util.DOM2Writer;
public class SamlHeaderOutInterceptor extends AbstractSamlOutInterceptor {
private static final Logger LOG =
LogUtils.getL7dLogger(SamlHeaderOutInterceptor.class);
public SamlHeaderOutInterceptor() {
this(Phase.WRITE);
}
public SamlHeaderOutInterceptor(String phase) {
super(phase);
}
public void handleMessage(Message message) throws Fault {
try {
SamlAssertionWrapper assertionWrapper = createAssertion(message);
Document doc = DOMUtils.newDocument();
Element assertionElement = assertionWrapper.toDOM(doc);
String encodedToken = encodeToken(DOM2Writer.nodeToString(assertionElement));
Map<String, List<String>> headers = getHeaders(message);
StringBuilder builder = new StringBuilder();
builder.append("SAML").append(" ").append(encodedToken);
headers.put("Authorization",
CastUtils.cast(Collections.singletonList(builder.toString()), String.class));
} 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()));
}
}
private Map<String, List<String>> getHeaders(Message message) {
Map<String, List<String>> headers =
CastUtils.cast((Map<?, ?>)message.get(Message.PROTOCOL_HEADERS));
if (headers == null) {
headers = new HashMap<>();
message.put(Message.PROTOCOL_HEADERS, headers);
}
return headers;
}
}