+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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.argeo.cms.internal.auth;
+
+import java.io.IOException;
+
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.UnsupportedCallbackException;
+import javax.security.auth.login.LoginException;
+
+import org.argeo.security.OsAuthenticationToken;
+import org.springframework.security.core.Authentication;
+
+/** Login module which caches one subject per thread. */
+public class SingleUserLoginModule extends AbstractLoginModule {
+ @Override
+ protected Authentication processLogin(CallbackHandler callbackHandler)
+ throws LoginException, UnsupportedCallbackException, IOException,
+ InterruptedException {
+ OsAuthenticationToken token = new OsAuthenticationToken();
+ return getAuthenticationManager().authenticate(token);
+ }
+}