+/*
+ * Copyright (C) 2007-2012 Mathieu Baudier
+ *
+ * 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.jackrabbit.remote;
import java.io.Serializable;
+import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
import java.util.Map;
-import javax.jcr.Credentials;
import javax.jcr.LoginException;
+import javax.jcr.Node;
import javax.jcr.Repository;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
+import javax.jcr.Value;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
+import org.apache.jackrabbit.api.JackrabbitSession;
+import org.apache.jackrabbit.api.security.user.Group;
+import org.apache.jackrabbit.api.security.user.User;
+import org.apache.jackrabbit.api.security.user.UserManager;
import org.apache.jackrabbit.server.SessionProvider;
+import org.argeo.ArgeoException;
+import org.argeo.jcr.ArgeoNames;
+import org.argeo.jcr.JcrUtils;
-/** To be injected, typically of scope="session" */
+/**
+ * Implements an open session in view patter: a new JCR session is created for
+ * each request
+ */
public class SimpleSessionProvider implements SessionProvider, Serializable {
private static final long serialVersionUID = 2270957712453841368L;
private final static Log log = LogFactory
.getLog(SimpleSessionProvider.class);
- private transient Map<String, Session> sessions = Collections
- .synchronizedMap(new HashMap<String, Session>());
+ private transient Map<String, Session> sessions;
- private Credentials credentials = null;
+ private Boolean openSessionInView = true;
+
+ private String securityWorkspace = "security";
public Session getSession(HttpServletRequest request, Repository rep,
String workspace) throws LoginException, ServletException,
RepositoryException {
- if (!sessions.containsKey(workspace)) {
- Session session = rep.login(credentials, workspace);
- sessions.put(workspace, session);
+ if (openSessionInView) {
+ JackrabbitSession session = (JackrabbitSession) rep
+ .login(workspace);
+ if (session.getWorkspace().getName().equals(securityWorkspace))
+ writeRemoteRoles(session);
return session;
} else {
- Session session = sessions.get(workspace);
- if (!session.isLive()) {
- sessions.remove(workspace);
- session = rep.login(credentials, workspace);
- sessions.put(workspace, session);
+ // since sessions is transient it can't be restored from the session
+ if (sessions == null)
+ sessions = Collections
+ .synchronizedMap(new HashMap<String, Session>());
+
+ if (!sessions.containsKey(workspace)) {
+ try {
+ JackrabbitSession session = (JackrabbitSession) rep.login(
+ null, workspace);
+ if (session.getWorkspace().getName()
+ .equals(securityWorkspace))
+ writeRemoteRoles(session);
+ if (log.isTraceEnabled())
+ log.trace("User " + session.getUserID()
+ + " logged into " + request.getServletPath());
+ sessions.put(workspace, session);
+ return session;
+ } catch (Exception e) {
+ throw new ArgeoException("Cannot open session", e);
+ }
+ } else {
+ Session session = sessions.get(workspace);
+ if (!session.isLive()) {
+ sessions.remove(workspace);
+ session = rep.login(null, workspace);
+ sessions.put(workspace, session);
+ }
+ return session;
}
- return session;
}
}
- public void releaseSession(Session session) {
- if (log.isDebugEnabled())
- log.debug("Releasing JCR session " + session);
- // session.logout();
- // FIXME: find a way to log out when the HTTP session is expired
+ protected void writeRemoteRoles(JackrabbitSession session)
+ throws RepositoryException {
+ // retrieve roles
+ String userId = session.getUserID();
+ UserManager userManager = session.getUserManager();
+ User user = (User) userManager.getAuthorizable(userId);
+ if (user == null) {
+ // anonymous
+ return;
+ }
+ List<String> userGroupIds = new ArrayList<String>();
+ if (user != null)
+ for (Iterator<Group> it = user.memberOf(); it.hasNext();)
+ userGroupIds.add(it.next().getID());
+
+ // write roles if needed
+ Node userProfile = JcrUtils.getUserHome(session).getNode(
+ ArgeoNames.ARGEO_PROFILE);
+ boolean writeRoles = false;
+ if (userProfile.hasProperty(ArgeoNames.ARGEO_REMOTE_ROLES)) {
+ Value[] roles = userProfile.getProperty(
+ ArgeoNames.ARGEO_REMOTE_ROLES).getValues();
+ if (roles.length != userGroupIds.size())
+ writeRoles = true;
+ else
+ for (int i = 0; i < roles.length; i++)
+ if (!roles[i].getString().equals(userGroupIds.get(i)))
+ writeRoles = true;
+ } else
+ writeRoles = true;
+
+ if (writeRoles) {
+ session.getWorkspace().getVersionManager()
+ .checkout(userProfile.getPath());
+ String[] roleIds = userGroupIds.toArray(new String[userGroupIds
+ .size()]);
+ userProfile.setProperty(ArgeoNames.ARGEO_REMOTE_ROLES, roleIds);
+ JcrUtils.updateLastModified(userProfile);
+ session.save();
+ session.getWorkspace().getVersionManager()
+ .checkin(userProfile.getPath());
+ }
+
}
- public void dispose() {
- for (String workspace : sessions.keySet()) {
- Session session = sessions.get(workspace);
- if (session.isLive())
+ public void releaseSession(Session session) {
+ if (log.isTraceEnabled())
+ log.trace("Releasing JCR session " + session);
+ if (openSessionInView) {
+ if (session.isLive()) {
session.logout();
+ if (log.isTraceEnabled())
+ log.trace("Logged out remote JCR session " + session);
+ }
}
}
+
+ public void init() {
+ }
+
+ public void destroy() {
+ if (sessions != null)
+ for (String workspace : sessions.keySet()) {
+ Session session = sessions.get(workspace);
+ if (session.isLive()) {
+ session.logout();
+ if (log.isDebugEnabled())
+ log.debug("Logged out remote JCR session " + session);
+ }
+ }
+ }
+
+ /**
+ * If set to true a new session will be created each time (the default),
+ * otherwise a single session is cached by workspace and the object should
+ * be of scope session (not supported)
+ */
+ public void setOpenSessionInView(Boolean openSessionInView) {
+ this.openSessionInView = openSessionInView;
+ }
+
+ public void setSecurityWorkspace(String securityWorkspace) {
+ this.securityWorkspace = securityWorkspace;
+ }
+
}
projects / lgpl / argeo-commons.git / blobdiff