/*
* Copyright 2014 Red Hat Inc. and/or its affiliates and other contributors.
*
* Licensed 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.switchyard.security.credential.extractor;
import java.security.Principal;
import java.util.HashSet;
import java.util.Set;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import org.switchyard.security.credential.ConfidentialityCredential;
import org.switchyard.security.credential.Credential;
import org.switchyard.security.credential.PrincipalCredential;
import org.switchyard.security.principal.UserPrincipal;
/**
* DefaultServletRequestCredentialExtractor.
*
* @author David Ward <<a href="mailto:dward@jboss.org">dward@jboss.org</a>> © 2014 Red Hat Inc.
*/
public class DefaultServletRequestCredentialExtractor implements ServletRequestCredentialExtractor {
/**
* Constructs a new DefaultServletRequestCredentialExtractor.
*/
public DefaultServletRequestCredentialExtractor() {}
/**
* {@inheritDoc}
*/
@Override
public Set<Credential> extract(ServletRequest source) {
Set<Credential> credentials = new HashSet<Credential>();
if (source != null) {
if (source.isSecure()) {
credentials.add(new ConfidentialityCredential(true));
}
if (source instanceof HttpServletRequest) {
HttpServletRequest request = (HttpServletRequest)source;
Principal userPrincipal = request.getUserPrincipal();
if (userPrincipal != null) {
credentials.add(new PrincipalCredential(userPrincipal, true));
}
String remoteUser = request.getRemoteUser();
if (remoteUser != null) {
credentials.add(new PrincipalCredential(new UserPrincipal(remoteUser), true));
}
String charsetName = source.getCharacterEncoding();
AuthorizationHeaderCredentialExtractor ahce;
if (charsetName != null) {
ahce = new AuthorizationHeaderCredentialExtractor(charsetName);
} else {
ahce = new AuthorizationHeaderCredentialExtractor();
}
credentials.addAll(ahce.extract(request.getHeader("Authorization")));
}
}
return credentials;
}
}