io.gravitee.am.gateway.handler.common.utils.RoutingContextHelper Maven / Gradle / Ivy

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/**
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * 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.gravitee.am.gateway.handler.common.utils;

import io.vertx.reactivex.ext.web.RoutingContext;

import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author Eric LELEU (eric.leleu at graviteesource.com)
 * @author GraviteeSource Team
 */
public class RoutingContextHelper {
    private static final List BLACKLIST_CONTEXT_ATTRIBUTES = Arrays.asList("X-XSRF-TOKEN", "_csrf", "__body-handled");

    /**
     * Return the {@link RoutingContext#data()} entries without technical attributes defined in {@link #BLACKLIST_CONTEXT_ATTRIBUTES}
     * @param routingContext
     * @return
     */
    public static Map getEvaluableAttributes(RoutingContext routingContext) {
        Map contextData = new HashMap<>(routingContext.data());
        // remove technical attributes
        BLACKLIST_CONTEXT_ATTRIBUTES.forEach(attribute -> contextData.remove(attribute));
        return contextData;
    }
}