Filtro para peticiones AJAX y detección de sesión expirada.

This commit is contained in:
Marcos Garcia Nuñez
2019-12-20 00:04:17 +01:00
parent 318680d5c0
commit 66a00616e5

View File

@@ -4,7 +4,6 @@ package managedbean.common;
import java.io.IOException;
import javax.faces.application.FacesMessage;
import javax.faces.application.ViewExpiredException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
@@ -29,14 +28,25 @@ public class AuthorizationFilter implements Filter {
}
private boolean isAJAXRequest(HttpServletRequest request) {
boolean check = false;
String facesRequest = request.getHeader("Faces-Request");
if (facesRequest != null && facesRequest.equals("partial/ajax")) {
check = true;
}
return check;
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
HttpServletRequest req = null;
HttpServletResponse resp = null;
try {
HttpServletRequest req = (HttpServletRequest) request;
req = (HttpServletRequest) request;
String reqURI = req.getRequestURI();
HttpServletResponse resp = (HttpServletResponse) response;
resp = (HttpServletResponse) response;
HttpSession ses = req.getSession(false);
// Para recursos publicos permitimos el acceso exista sesión o no.
@@ -46,15 +56,15 @@ public class AuthorizationFilter implements Filter {
return;
}
// Sesión expirada
if (req.isRequestedSessionIdValid() == false && req.getRequestedSessionId() != null) {
if (this.isAJAXRequest(req) == true) {
chain.doFilter(request, response);
return;
//throw new ViewExpiredException("Session expired!", "error");
//resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
//SessionUtils.addMessage(ses, FacesMessage.SEVERITY_ERROR, "Su sesión ha caducado", "Su sesión ha caducado, por favor inicie sesión de nuevo.");
//resp.sendRedirect(req.getContextPath() + "/error.xhtml?type=expired");
//return;
}
// Sesión expirada
if (req.isRequestedSessionIdValid() == false && req.getRequestedSessionId() != null) {
resp.sendRedirect(req.getContextPath() + "/error.xhtml?type=expired");
return;
}
// Si el usuario está logeado comprobamos si está autorizado a ver la página solicitada.
@@ -144,14 +154,14 @@ public class AuthorizationFilter implements Filter {
}
resp.sendRedirect(req.getContextPath() + "/login.xhtml");
resp.sendRedirect(req.getContextPath() + "/home.xhtml");
} catch (Exception e) {
System.out.println(e.getMessage());
resp.sendRedirect(req.getContextPath() + "/error.xhtml");
}
}
@Override
public void destroy() {
System.out.println("Sessión destruida");
}
}