org.apache.myfaces.push.cdi.WebsocketChannelTokenBuilder Maven / Gradle / Ivy
/*
* 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.myfaces.push.cdi;
import jakarta.annotation.PostConstruct;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.faces.context.FacesContext;
import org.apache.myfaces.config.webparameters.MyfacesConfig;
import org.apache.myfaces.util.token.CsrfSessionTokenFactory;
import org.apache.myfaces.util.token.CsrfSessionTokenFactoryRandom;
import org.apache.myfaces.util.token.CsrfSessionTokenFactorySecureRandom;
@ApplicationScoped
public class WebsocketChannelTokenBuilder
{
private CsrfSessionTokenFactory csrfSessionTokenFactory;
private boolean initialized;
public WebsocketChannelTokenBuilder()
{
}
@PostConstruct
public void init()
{
FacesContext facesContext = FacesContext.getCurrentInstance();
if (facesContext != null)
{
internalInit(facesContext);
}
}
private synchronized void internalInit(FacesContext facesContext)
{
String csrfRandomMode = MyfacesConfig.getCurrentInstance(facesContext).getRandomKeyInViewStateSessionToken();
if (MyfacesConfig.RANDOM_KEY_IN_WEBSOCKET_SESSION_TOKEN_RANDOM.equals(csrfRandomMode))
{
csrfSessionTokenFactory = new CsrfSessionTokenFactoryRandom(facesContext);
}
else
{
csrfSessionTokenFactory = new CsrfSessionTokenFactorySecureRandom(facesContext);
}
initialized = true;
}
public String createChannelToken(FacesContext facesContext, String channel)
{
if (!initialized)
{
internalInit(facesContext);
}
return csrfSessionTokenFactory.createToken(facesContext);
}
}