/**
 * 
 */

package net.sourceforge.fenixedu.presentationTier.Action.externalServices;

import java.io.IOException;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sourceforge.fenixedu._development.PropertiesManager;
import net.sourceforge.fenixedu.applicationTier.Servico.commons.SetUserUID;
import net.sourceforge.fenixedu.domain.Person;
import net.sourceforge.fenixedu.framework.factory.ServiceManagerServiceFactory;
import net.sourceforge.fenixedu.presentationTier.Action.BaseAuthenticationAction;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixAction;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.FenixActionException;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * @author <a href="mailto:goncalo@ist.utl.pt">Goncalo Luiz</a> <br/>
 * <br/>
 * <br/>
 *         Created on 12:08:43,13/Out/2005
 * @version $Id: Authentication.java 39213 2008-10-22 14:59:02Z
 *          ist148357@IST.UTL.PT $
 */
public class Authentication extends FenixAction {
    final static String allowedProtocol = "https";

    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
	    throws FenixActionException {
	final String username = request.getParameter("username");
	final String password = request.getParameter("password");
	final String requestURL = request.getRequestURL().toString();
	boolean result = false;
	final String remoteHostName = BaseAuthenticationAction.getRemoteHostName(request);
	Object argsAutenticacao[] = { username, password, requestURL, remoteHostName };
	try {
	    String scheme = request.getScheme();

	    if (allowedProtocol.equalsIgnoreCase(scheme)) {

		Person person = Person.readPersonByUsername(username);
		if (person == null) {
		    person = Person.readPersonByIstUsername(username);
		}
		if (person != null) {
		    SetUserUID.run(person);
		}

		ServiceManagerServiceFactory.executeService(PropertiesManager.getProperty("authenticationService"),
			argsAutenticacao);
		result = true;
	    }

	} catch (Exception e) {
	    result = false;
	}

	try {
	    sendAnswer(response, result);
	} catch (IOException ex) {
	    throw new FenixActionException(ex);
	}

	return null;
    }

    private void sendAnswer(HttpServletResponse response, boolean result) throws IOException {
	ServletOutputStream writer = response.getOutputStream();
	response.setContentType("text/plain");
	writer.print(result);
	writer.flush();
	response.flushBuffer();
    }

}