/
SecuredServlet.java
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/
SecuredServlet.java
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2017 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wildfly.security.examples;
import java.io.IOException;
import java.io.PrintWriter;
import java.security.Principal;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.HttpMethodConstraint;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
/**
* A simple secured HTTP servlet.
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
@WebServlet("/secured")
public class SecuredServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
try (PrintWriter writer = resp.getWriter()) {
writer.println("<html>");
writer.println(" <head><title>Secured Servlet</title></head>");
writer.println(" <body>");
writer.println(" <h1>Secured Servlet</h1>");
writer.println(" <p>");
writer.print(" Current Principal '");
Principal user = req.getUserPrincipal();
writer.print(user != null ? user.getName() : "NO AUTHENTICATED USER");
writer.print("'");
writer.println(" </p>");
writer.println(" </body>");
writer.println("</html>");
}
}
}