be.objectify.deadbolt.java.actions.BeforeAccessAction 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.actions;

import be.objectify.deadbolt.java.ConfigKeys;
import be.objectify.deadbolt.java.DeadboltHandler;
import be.objectify.deadbolt.java.ExecutionContextProvider;
import be.objectify.deadbolt.java.JavaAnalyzer;
import be.objectify.deadbolt.java.cache.HandlerCache;
import be.objectify.deadbolt.java.cache.SubjectCache;
import play.Configuration;
import play.libs.F;
import play.mvc.Http;
import play.mvc.Result;

import java.util.concurrent.TimeUnit;

import javax.inject.Inject;

/**
 * Invokes beforeAuthCheck on the global or a specific {@link be.objectify.deadbolt.java.DeadboltHandler}.
 *
 * @author Steve Chaloner ([email protected])
 */
public class BeforeAccessAction extends AbstractDeadboltAction
{
    @Inject
    public BeforeAccessAction(final JavaAnalyzer analyzer,
                              final SubjectCache subjectCache,
                              final HandlerCache handlerCache,
                              final Configuration config,
                              final ExecutionContextProvider ecProvider)
    {
        super(analyzer,
              subjectCache,
              handlerCache,
              config,
              ecProvider);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public F.Promise execute(final Http.Context ctx) throws Throwable
    {
        F.Promise result;
        if (isActionAuthorised(ctx) && !configuration.alwaysExecute())
        {
            result = delegate.call(ctx);
        }
        else
        {
            final DeadboltHandler deadboltHandler = getDeadboltHandler(configuration.handlerKey());
            result = preAuth(true,
                             ctx,
                             deadboltHandler)
                    .flatMap(preAuthResult -> preAuthResult.map(F.Promise::pure)
                                                           .orElseGet(() -> sneakyCall(delegate, ctx)));
            if (blocking) {
                result = F.Promise.pure(result.get(blockingTimeout,
                                                   TimeUnit.MILLISECONDS));
            }
        }
        return result;
    }
}