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/*
 * Copyright (c) 2008-2016 the original author or authors.
 *
 * 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.cometd.server;

import org.cometd.bayeux.ChannelId;
import org.cometd.bayeux.server.BayeuxServer;
import org.cometd.bayeux.server.SecurityPolicy;
import org.cometd.bayeux.server.ServerChannel;
import org.cometd.bayeux.server.ServerMessage;
import org.cometd.bayeux.server.ServerSession;

public class DefaultSecurityPolicy implements SecurityPolicy
{
    public boolean canCreate(BayeuxServer server, ServerSession session, String channelId, ServerMessage message)
    {
        return session!=null && session.isLocalSession() || !ChannelId.isMeta(channelId);
    }

    public boolean canHandshake(BayeuxServer server, ServerSession session, ServerMessage message)
    {
        return true;
    }

    public boolean canPublish(BayeuxServer server, ServerSession session, ServerChannel channel, ServerMessage message)
    {
        return session!=null && session.isHandshook() && !channel.isMeta();
    }

    public boolean canSubscribe(BayeuxServer server, ServerSession session, ServerChannel channel, ServerMessage message)
    {
        return session!=null && session.isLocalSession() || !channel.isMeta();
    }
}