| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.felix.example.jaas.app.internal; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.NoSuchProviderException; |
| |
| import javax.security.auth.Subject; |
| import javax.security.auth.callback.CallbackHandler; |
| import javax.security.auth.login.Configuration; |
| import javax.security.auth.login.LoginContext; |
| import javax.security.auth.login.LoginException; |
| import javax.servlet.Servlet; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.Service; |
| |
| @Component |
| @Service(value = Servlet.class) |
| @Property(name = "alias",value = "/jaas/tccl") |
| public class TCCLDemoServlet extends HttpServlet |
| { |
| |
| @Override |
| protected void doPost(HttpServletRequest req, HttpServletResponse resp) |
| throws ServletException, IOException |
| { |
| |
| //Demonstrates the JAAS authentication |
| //In following case the client code would have to |
| // 1. Manage the thread's context classloader |
| // 2. Add a DynamicImport for org.apache.felix.jaas.boot |
| // 3. Fetch the config using the Configuration.getInstance API and pass that on |
| |
| PrintWriter pw = resp.getWriter(); |
| CallbackHandler handler = new ServletRequestCallbackHandler(req); |
| |
| Subject subject = new Subject(); |
| final ClassLoader cl = Thread.currentThread().getContextClassLoader(); |
| try |
| { |
| Configuration config = Configuration.getInstance("JavaLoginConfig", null, |
| "FelixJaasProvider"); |
| Thread.currentThread().setContextClassLoader(getClass().getClassLoader()); |
| LoginContext lc = new LoginContext("sample", subject, handler, config); |
| lc.login(); |
| |
| pw.println("Principal authentication successful"); |
| pw.println(subject); |
| } |
| catch (NoSuchAlgorithmException e) |
| { |
| throw new RuntimeException(e); |
| } |
| catch (NoSuchProviderException e) |
| { |
| throw new RuntimeException(e); |
| } |
| catch (LoginException e) |
| { |
| handleAuthenticationFailure(e,pw); |
| } |
| finally |
| { |
| Thread.currentThread().setContextClassLoader(cl); |
| } |
| |
| } |
| |
| private void handleAuthenticationFailure(LoginException e, PrintWriter pw) |
| { |
| pw.println("Authentication Failed"); |
| pw.println(e); |
| } |
| |
| } |