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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 java.util.ArrayList;
import java.util.List;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.wildfly.security.http.oidc.OidcSecurityContext;
import org.wildfly.security.http.oidc.RefreshableOidcSecurityContext;
/**
* 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 {
OidcSecurityContext oidcSecurityContext = getOidcSecurityContext(req);
List<String> scopeClaims = new ArrayList<String>();
if (oidcSecurityContext != null) {
String scope = ((RefreshableOidcSecurityContext) oidcSecurityContext).getOidcClientConfiguration().getScope();
displayScopeClaims(scope, scopeClaims, oidcSecurityContext);
}
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.println("'");
writer.println(" </p>");
if(scopeClaims.isEmpty()) {
writer.println("<p>");
writer.println("No additional claims were recovered using the scope values.\n" );
writer.println(" </p>"); }
else{
writer.println("<p>");
writer.println("Claims received using additional scope values: \n" );
writer.println(" </p>");
for (String value : scopeClaims) {
writer.println("<p>");
writer.println(value);
writer.println(" </p>");
}
}
writer.println(" </body>");
writer.println("</html>");
}
}
private OidcSecurityContext getOidcSecurityContext(HttpServletRequest req) {
return (OidcSecurityContext) req.getAttribute(OidcSecurityContext.class.getName());
}
private void displayScopeClaims(String scope, List<String> message, OidcSecurityContext oidcSecurityContext) {
if (scope == null){
return;
}
if (scope.contains("profile")){
message.add("By configuring the \"profile\" scope, the \"given_name\" and \"family_name\" claims are present in the access token and have values : " + oidcSecurityContext.getToken().getClaimValueAsString("given_name") + " and "
+ oidcSecurityContext.getToken().getClaimValueAsString("family_name"));
}
if (scope.contains("email")){
message.add("By configuring the \"email\" scope, the \"email_verified\" claim is present in the access token and has value : " + oidcSecurityContext.getToken().getClaimValueAsString("email_verified") + "\n");
}
if (scope.contains("roles")){
message.add("By configuring the \"roles\" scope, the \"realm_access\" claim is present in the access token and has value : " + oidcSecurityContext.getToken().getClaimValueAsString("realm_access") + "\n");
}
if (scope.contains("acr")){ //authentication context class reference scope
message.add("By configuring the \"acr\" scope, the \"acr\" claim is present in the access token and has value : " + oidcSecurityContext.getToken().getClaimValueAsString("acr") + "\n");
}
if (scope.contains("microprofile-jwt")){
message.add("By configuring the \"microprofile-jwt\" scope, the \"groups\" claim is present in the access token and has value : " + oidcSecurityContext.getToken().getClaimValueAsString("groups") + "\n");
}
if (scope.contains("web-origins")){
message.add("By configuring the \"web-origins\" scope, the \"allowed-origins\" claim is present in the access token and has value : " + oidcSecurityContext.getToken().getClaimValueAsString("allowed-origins") + "\n");
}
}
}