org.argeo.security.core/src/org/argeo/security/login/SystemLoginModule.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.security.login;
  17
  18 import java.io.IOException;
  19
  20 import javax.security.auth.callback.Callback;
  21 import javax.security.auth.callback.CallbackHandler;
  22 import javax.security.auth.callback.UnsupportedCallbackException;
  23 import javax.security.auth.login.LoginException;
  24
  25 import org.argeo.security.SecurityUtils;
  26 import org.argeo.security.core.InternalAuthentication;
  27 import org.springframework.security.core.Authentication;
  28
  29 /** Login module which caches one subject per thread. */
  30 public class SystemLoginModule extends AbstractSpringLoginModule {
  31         @Override
  32         protected Authentication processLogin(CallbackHandler callbackHandler)
  33                         throws LoginException, UnsupportedCallbackException, IOException,
  34                         InterruptedException {
  35                 BundleContextCallback bundleContextCallback = new BundleContextCallback();
  36                 callbackHandler.handle(new Callback[] { bundleContextCallback });
  37                 InternalAuthentication anonymousToken = new InternalAuthentication(
  38                                 SecurityUtils.getStaticKey());
  39                 return getAuthenticationManager(bundleContextCallback).authenticate(
  40                                 anonymousToken);
  41         }
  42 }