DefaultAccessManager.java

/**
 * Copyright (c) 2008-2011 Sonatype, Inc.
 * All rights reserved. Includes the third-party code listed at http://www.sonatype.com/products/nexus/attributions.
 *
 * This program is free software: you can redistribute it and/or modify it only under the terms of the GNU Affero General
 * Public License Version 3 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License Version 3
 * for more details.
 *
 * You should have received a copy of the GNU Affero General Public License Version 3 along with this program.  If not, see
 * http://www.gnu.org/licenses.
 *
 * Sonatype Nexus (TM) Open Source Version is available from Sonatype, Inc. Sonatype and Sonatype Nexus are trademarks of
 * Sonatype, Inc. Apache Maven is a trademark of the Apache Foundation. M2Eclipse is a trademark of the Eclipse Foundation.
 * All other trademarks are the property of their respective owners.
 */
package org.sonatype.nexus.proxy.access;

import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
import org.sonatype.nexus.proxy.AccessDeniedException;
import org.sonatype.nexus.proxy.ResourceStoreRequest;
import org.sonatype.nexus.proxy.repository.Repository;

/**
 * A default access manager relying onto default NexusAuthorizer.
 * 
 * @author cstamas
 */
@Component( role = AccessManager.class )
public class DefaultAccessManager
    implements AccessManager
{
    @Requirement
    private NexusItemAuthorizer nexusItemAuthorizer;

    public void decide( Repository repository, ResourceStoreRequest request, Action action )
        throws AccessDeniedException
    {
        //only bother checking item authorizer if there is no flag in request stating authorization
        //has been taken care of
        if ( !request.getRequestContext().containsKey( AccessManager.REQUEST_AUTHORIZED )
            && !nexusItemAuthorizer.authorizePath( repository, request, action ) )
        {
            // deny the access
            throw new AccessDeniedException( "Access denied on repository ID='" + repository.getId() + "', path='"
                + request.getRequestPath() + "', action='" + action + "'!" );
        }
    }
}