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package pt.estgp.estgweb.filters.filters;

import pt.estgp.estgweb.filters.chains.OwnerControlFilter;
import pt.estgp.estgweb.filters.chains.LoadControlFilter;
import pt.estgp.estgweb.filters.exceptions.NeedAuthenticationException;
import pt.estgp.estgweb.filters.exceptions.AccessDeniedOperationException;
import pt.estgp.estgweb.filters.filters.utils.LoadObjectFromParameters;
import pt.estgp.estgweb.domain.UserSession;
import pt.estgp.estgweb.domain.IOwned;
import pt.estgp.estgweb.Globals;
import pt.utl.ist.berserk.ServiceRequest;
import pt.utl.ist.berserk.ServiceResponse;
import pt.utl.ist.berserk.logic.filterManager.FilterParameters;
import pt.utl.ist.berserk.logic.filterManager.exceptions.FilterException;
import org.apache.log4j.Logger;

public class OwnerUsersClass extends LoadControlFilter {
    private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(OwnerUsersClass.class);

    public void execute(ServiceRequest request, ServiceResponse response, FilterParameters filterParameters) throws FilterException, 1.5.0/docs/api/java/lang/Exception.html">Exception
    {

        UserSession userSession = (UserSession) request.getServiceParameters().getParameter(Globals.USER_SESSION_KEY);

        if(userSession.getUser() == null)
        {
            logger.info("try access restricted area:" + request.getRequester());
            throw new NeedAuthenticationException();
        }

        if(userSession.getUser().isSuperuser())
            return;

        IOwned iOwned = (IOwned) LoadObjectFromParameters.loadObjectFromClassName((1.5.0/docs/api/java/lang/String.html">String) filterParameters.getParameter(1),filterParameters,request.getServiceParameters());

        if(!iOwned.isOwnedBy(userSession.getUser(),true))
        {
            logger.warn(userSession.getUser().getUsername() + ": try access restricted area");
            throw new AccessDeniedOperationException("fail.owner");
        }
    }
}