Esqueleto de proyecto inicial.

1.sources/MyHealth/src/common/AuthorizationFilter.java

@@ -0,0 +1,52 @@
+
+package common;
+
+import java.io.IOException;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.annotation.WebFilter;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+@WebFilter(filterName = "AuthFilter", urlPatterns = { "*.xhtml" })
+public class AuthorizationFilter implements Filter {
+
+	public AuthorizationFilter() {
+	}
+
+	@Override
+	public void init(FilterConfig filterConfig) throws ServletException {
+
+	}
+
+	@Override
+	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
+			throws IOException, ServletException {
+		try {
+
+			HttpServletRequest reqt = (HttpServletRequest) request;
+			HttpServletResponse resp = (HttpServletResponse) response;
+			HttpSession ses = reqt.getSession(false);
+
+			String reqURI = reqt.getRequestURI();
+			if (reqURI.indexOf("/login.xhtml") >= 0 || (ses != null && ses.getAttribute("username") != null)
+					|| reqURI.indexOf("/public/") >= 0 || reqURI.contains("javax.faces.resource"))
+				chain.doFilter(request, response);
+			else
+				resp.sendRedirect(reqt.getContextPath() + "/faces/login.xhtml");
+		} catch (Exception e) {
+			System.out.println(e.getMessage());
+		}
+	}
+
+	@Override
+	public void destroy() {
+
+	}
+}

1.sources/MyHealth/src/common/SessionUtils.java

@@ -0,0 +1,30 @@
+
+package common;
+
+import javax.faces.context.FacesContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpSession;
+
+public class SessionUtils {
+
+	public static HttpSession getSession() {
+		return (HttpSession) FacesContext.getCurrentInstance().getExternalContext().getSession(false);
+	}
+
+	public static HttpServletRequest getRequest() {
+		return (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest();
+	}
+
+	public static String getUserName() {
+		HttpSession session = (HttpSession) FacesContext.getCurrentInstance().getExternalContext().getSession(false);
+		return session.getAttribute("username").toString();
+	}
+
+	public static String getUserId() {
+		HttpSession session = getSession();
+		if (session != null)
+			return (String) session.getAttribute("userid");
+		else
+			return null;
+	}
+}