/**
* 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.oauth2.client;
import java.util.concurrent.ConcurrentHashMap;
import javax.ws.rs.core.MultivaluedMap;
import org.apache.cxf.jaxrs.ext.MessageContext;
import org.apache.cxf.jaxrs.impl.MetadataMap;
import org.apache.cxf.rs.security.oauth2.provider.OAuthServiceException;
import org.apache.cxf.rs.security.oauth2.utils.OAuthConstants;
import org.apache.cxf.rs.security.oauth2.utils.OAuthUtils;
import org.apache.cxf.rt.security.crypto.CryptoUtils;
import org.apache.cxf.rt.security.crypto.MessageDigestUtils;
public class MemoryClientCodeStateManager implements ClientCodeStateManager {
private ConcurrentHashMap<String, MultivaluedMap<String, String>> map =
new ConcurrentHashMap<String, MultivaluedMap<String, String>>();
private boolean generateNonce;
@Override
public MultivaluedMap<String, String> toRedirectState(MessageContext mc,
MultivaluedMap<String, String> requestState) {
String stateParam = OAuthUtils.generateRandomTokenKey();
MultivaluedMap<String, String> redirectMap = new MetadataMap<String, String>();
if (generateNonce) {
String nonceParam = MessageDigestUtils.generate(CryptoUtils.generateSecureRandomBytes(16));
requestState.putSingle(OAuthConstants.NONCE, nonceParam);
redirectMap.putSingle(OAuthConstants.NONCE, nonceParam);
}
map.put(stateParam, requestState);
OAuthUtils.setSessionToken(mc, stateParam, "state", 0);
redirectMap.putSingle(OAuthConstants.STATE, stateParam);
return redirectMap;
}
@Override
public MultivaluedMap<String, String> fromRedirectState(MessageContext mc,
MultivaluedMap<String, String> redirectState) {
String stateParam = redirectState.getFirst(OAuthConstants.STATE);
String sessionToken = OAuthUtils.getSessionToken(mc, "state");
if (sessionToken == null || !sessionToken.equals(stateParam)) {
throw new OAuthServiceException("Invalid session token");
}
return map.remove(stateParam);
}
public void setGenerateNonce(boolean generateNonce) {
this.generateNonce = generateNonce;
}
}