Subversion Repositories bacoAlunos

package pt.estgp.estgweb.web.filters;

import org.apache.log4j.Logger;

import pt.estgp.estgweb.domain.UserSessionImpl;

import pt.estgp.estgweb.utils.Globals;

import pt.estgp.estgweb.web.UserSessionProxy;

import javax.servlet.*;

import javax.servlet.http.HttpServletRequest;

import java.io.IOException;

/**

 *

 * @author  Jorge Machado

 */

public class AuthenticationAllFilter extends UserFilter {

    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(AuthenticationAllFilter.class);

    public AuthenticationAllFilter()

    {

    }

    static 1.5.0/docs/api/java/lang/String.html">String[] allowedPatternsContains;

    static 1.5.0/docs/api/java/lang/String.html">String[] allowedPatternsStartsWith;

    static 1.5.0/docs/api/java/lang/String.html">String[] allowedPatternsEqual;

    public void init(FilterConfig config)

    {

        allowedPatternsContains = config.getInitParameter("allowedPatternsContains").replaceAll(" ","").replaceAll("\t","").replaceAll("\r","").replaceAll("\n","").trim().split(",");

        allowedPatternsStartsWith = config.getInitParameter("allowedPatternsStartsWith").replaceAll(" ","").replaceAll("\t","").replaceAll("\r","").replaceAll("\n","").trim().split(",");

        allowedPatternsEqual = config.getInitParameter("allowedPatternsEqual").replaceAll(" ","").replaceAll("\t","").replaceAll("\r","").replaceAll("\n","").trim().split(",");;

    }

    static 1.5.0/docs/api/java/lang/String.html">String linkSubmitLogin = Globals.SYSTEM_REDIRECTIONS_POLICY_AUTHENTICATION_ACTION;

    /**

     *

     * @param request The servlet request we are processing

     * @param chain The filter chain we are processing

     *

     * @exception java.io.IOException if an input/output error occurs

     * @exception javax.servlet.ServletException if a servlet error occurs

     */

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)

            throws 1.5.0/docs/api/java/io/IOException.html">IOException, ServletException

    {

        //String linkLogin = Globals.SYSTEM_REDIRECTIONS_POLICY_INDEX_WELCOME;

        HttpServletRequest hrequest = (HttpServletRequest) request;

        UserSessionImpl userSession = (UserSessionImpl) UserSessionProxy.loadUserSessionFromRequest(hrequest);

        if(userSession != null && userSession.isAuthenticated())

        {

            chain.doFilter(request,response);

            return;

        }

        if(hrequest.getServletPath().equals("")

                || hrequest.getServletPath().equals("/")

                || hrequest.getServletPath().startsWith(linkSubmitLogin))

        {

            chain.doFilter(request,response);

            return;

        }

        if(FilterUtils.checkIfIsIgnoredExtension(request, hrequest))

        {

            chain.doFilter(request, response);

            return;

        }

        for(1.5.0/docs/api/java/lang/String.html">String patternEqual : allowedPatternsEqual)

        {

            if(hrequest.getServletPath().equals(patternEqual))

            {

                chain.doFilter(request,response);

                return;

            }

        }

        for(1.5.0/docs/api/java/lang/String.html">String patternEqual : allowedPatternsContains)

        {

            if(hrequest.getServletPath().contains(patternEqual))

            {

                chain.doFilter(request,response);

                return;

            }

        }

        for(1.5.0/docs/api/java/lang/String.html">String patternEqual : allowedPatternsStartsWith)

        {

            if(hrequest.getServletPath().startsWith(patternEqual))

            {

                chain.doFilter(request,response);

                return;

            }

        }

        logger.warn("URL nao permitido, enviando filtragem para a Super Classe UserFilter");

        super.doFilter(request,response,chain);

    }

    public void destroy()

    {

        // Nothing

    }

}