--- /dev/null
+/*
+ * 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.security.jcr;
+
+import javax.jcr.Session;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.jcr.spring.ThreadBoundSession;
+import org.springframework.security.Authentication;
+import org.springframework.security.context.SecurityContextHolder;
+
+/**
+ * Thread bounded JCR session factory which checks authentication and is
+ * autoconfigured in Spring.
+ */
+public class SecureThreadBoundSession extends ThreadBoundSession {
+ private final static Log log = LogFactory
+ .getLog(SecureThreadBoundSession.class);
+
+ @Override
+ protected Session preCall(Session session) {
+ Authentication authentication = SecurityContextHolder.getContext()
+ .getAuthentication();
+ if (authentication != null) {
+ String userID = session.getUserID();
+ String currentUserName = authentication.getName();
+ if (currentUserName != null) {
+ if (!userID.equals(currentUserName)) {
+ log.warn("Current session has user ID " + userID
+ + " while logged is user is " + currentUserName
+ + "(authentication=" + authentication + ")"
+ + ". Re-login.");
+ // TODO throw an exception
+ return login();
+ }
+ }
+ }
+ return super.preCall(session);
+ }
+
+}