be.objectify.deadbolt.java.JavaAnalyzer Maven / Gradle / Ivy

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/*
 * Copyright 2012 Steve Chaloner
 *
 * 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 be.objectify.deadbolt.java;

import be.objectify.deadbolt.core.DeadboltAnalyzer;
import play.libs.F;
import play.mvc.Http;

import javax.inject.Singleton;

/**
 * @author Steve Chaloner ([email protected])
 */
@Singleton
public class JavaAnalyzer extends DeadboltAnalyzer
{
    /**
     * Checks a custom pattern using the {@link be.objectify.deadbolt.java.DynamicResourceHandler} obtained via the handler.
     *
     * @param handler the handler
     * @param context the context
     * @param value the pattern value
     * @return true iff the custom check succeeds
     */
    public F.Promise checkCustomPattern(final DeadboltHandler handler,
                                                 final Http.Context context,
                                                 final String value)
    {
        return handler.getDynamicResourceHandler(context)
                      .map(option -> option.orElseThrow(() -> new RuntimeException("A custom permission type is specified but no dynamic resource handler is provided")))
                      .flatMap(drh -> drh.checkPermission(value,
                                                          handler,
                                                          context));
    }
}