+++ /dev/null
-package org.argeo.cms.jcr.internal.servlet;
-
-import java.io.Serializable;
-import java.security.PrivilegedActionException;
-import java.security.PrivilegedExceptionAction;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedHashMap;
-import java.util.Map;
-import java.util.Set;
-
-import javax.jcr.Repository;
-import javax.jcr.RepositoryException;
-import javax.jcr.Session;
-import javax.security.auth.Subject;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-
-import org.apache.jackrabbit.server.SessionProvider;
-import org.argeo.api.cms.CmsConstants;
-import org.argeo.api.cms.CmsLog;
-import org.argeo.api.cms.CmsSession;
-import org.argeo.cms.auth.RemoteAuthUtils;
-import org.argeo.cms.servlet.ServletHttpRequest;
-import org.argeo.jcr.JcrUtils;
-
-/**
- * Implements an open session in view patter: a new JCR session is created for
- * each request
- */
-public class CmsSessionProvider implements SessionProvider, Serializable {
- private static final long serialVersionUID = -1358136599534938466L;
-
- private final static CmsLog log = CmsLog.getLog(CmsSessionProvider.class);
-
- private final String alias;
-
- private LinkedHashMap<Session, CmsDataSession> cmsSessions = new LinkedHashMap<>();
-
- public CmsSessionProvider(String alias) {
- this.alias = alias;
- }
-
- public Session getSession(HttpServletRequest request, Repository rep, String workspace)
- throws javax.jcr.LoginException, ServletException, RepositoryException {
-
- // a client is scanning parent URLs.
-// if (workspace == null)
-// return null;
-
- CmsSession cmsSession = RemoteAuthUtils.getCmsSession(new ServletHttpRequest(request));
- // CmsSessionImpl cmsSession = WebCmsSessionImpl.getCmsSession(request);
- if (log.isTraceEnabled()) {
- log.trace("Get JCR session from " + cmsSession);
- }
- if (cmsSession == null)
- throw new IllegalStateException("Cannot find a session for request " + request.getRequestURI());
- CmsDataSession cmsDataSession = new CmsDataSession(cmsSession);
- Session session = cmsDataSession.getDataSession(alias, workspace, rep);
- cmsSessions.put(session, cmsDataSession);
- return session;
- }
-
- public void releaseSession(Session session) {
-// JcrUtils.logoutQuietly(session);
- if (cmsSessions.containsKey(session)) {
- CmsDataSession cmsDataSession = cmsSessions.get(session);
- cmsDataSession.releaseDataSession(alias, session);
- } else {
- log.warn("JCR session " + session + " not found in CMS session list. Logging it out...");
- JcrUtils.logoutQuietly(session);
- }
- }
-
- static class CmsDataSession {
- private CmsSession cmsSession;
-
- private Map<String, Session> dataSessions = new HashMap<>();
- private Set<String> dataSessionsInUse = new HashSet<>();
- private Set<Session> additionalDataSessions = new HashSet<>();
-
- private CmsDataSession(CmsSession cmsSession) {
- this.cmsSession = cmsSession;
- cmsSession.addOnCloseCallback((sess) -> close());
- }
-
- public Session newDataSession(String cn, String workspace, Repository repository) {
- checkValid();
- return login(repository, workspace);
- }
-
- public synchronized Session getDataSession(String cn, String workspace, Repository repository) {
- checkValid();
- // FIXME make it more robust
- if (workspace == null)
- workspace = CmsConstants.SYS_WORKSPACE;
- String path = cn + '/' + workspace;
- if (dataSessionsInUse.contains(path)) {
- try {
- wait(1000);
- if (dataSessionsInUse.contains(path)) {
- Session session = login(repository, workspace);
- additionalDataSessions.add(session);
- if (log.isTraceEnabled())
- log.trace("Additional data session " + path + " for " + cmsSession.getUserDn());
- return session;
- }
- } catch (InterruptedException e) {
- // silent
- }
- }
-
- Session session = null;
- if (dataSessions.containsKey(path)) {
- session = dataSessions.get(path);
- } else {
- session = login(repository, workspace);
- dataSessions.put(path, session);
- if (log.isTraceEnabled())
- log.trace("New data session " + path + " for " + cmsSession.getUserDn());
- }
- dataSessionsInUse.add(path);
- return session;
- }
-
- private Session login(Repository repository, String workspace) {
- try {
- return Subject.doAs(cmsSession.getSubject(), new PrivilegedExceptionAction<Session>() {
- @Override
- public Session run() throws Exception {
- return repository.login(workspace);
- }
- });
- } catch (PrivilegedActionException e) {
- throw new IllegalStateException("Cannot log in " + cmsSession.getUserDn() + " to JCR", e);
- }
- }
-
- public synchronized void releaseDataSession(String cn, Session session) {
- if (additionalDataSessions.contains(session)) {
- JcrUtils.logoutQuietly(session);
- additionalDataSessions.remove(session);
- if (log.isTraceEnabled())
- log.trace("Remove additional data session " + session);
- return;
- }
- String path = cn + '/' + session.getWorkspace().getName();
- if (!dataSessionsInUse.contains(path))
- log.warn("Data session " + path + " was not in use for " + cmsSession.getUserDn());
- dataSessionsInUse.remove(path);
- Session registeredSession = dataSessions.get(path);
- if (session != registeredSession)
- log.warn("Data session " + path + " not consistent for " + cmsSession.getUserDn());
- if (log.isTraceEnabled())
- log.trace("Released data session " + session + " for " + path);
- notifyAll();
- }
-
- private void checkValid() {
- if (!cmsSession.isValid())
- throw new IllegalStateException(
- "CMS session " + cmsSession.getUuid() + " is not valid since " + cmsSession.getEnd());
- }
-
- protected void close() {
- synchronized (this) {
- // TODO check data session in use ?
- for (String path : dataSessions.keySet())
- JcrUtils.logoutQuietly(dataSessions.get(path));
- for (Session session : additionalDataSessions)
- JcrUtils.logoutQuietly(session);
- }
- }
- }
-}
projects / lgpl / argeo-commons.git / blobdiff