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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2014 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * 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 io.undertow.predicate;

import io.undertow.server.HttpServerExchange;
import io.undertow.server.SSLSessionInfo;

import java.util.Collections;
import java.util.Map;
import java.util.Set;

import javax.net.ssl.SSLSession;

/**
 * @author Stuart Douglas
 */
public class SecurePredicate implements Predicate {

    public static final SecurePredicate INSTANCE = new SecurePredicate();

    @Override
    public boolean resolve(HttpServerExchange value) {
        final SSLSession session = value.getConnection().getSslSession();
        final SSLSessionInfo info = value.getConnection().getSslSessionInfo();
        return (session != null && session.isValid())
                || (info != null && info.getSSLSession() != null && info.getSSLSession().isValid());
    }

    public String toString() {
        return "secure()";
    }

    public static class Builder implements PredicateBuilder {

        @Override
        public String name() {
            return "secure";
        }

        @Override
        public Map> parameters() {
            return Collections.emptyMap();
        }

        @Override
        public Set requiredParameters() {
            return Collections.emptySet();
        }

        @Override
        public String defaultParameter() {
            return null;
        }

        @Override
        public Predicate build(Map config) {
            return INSTANCE;
        }
    }

}