Examples with SignOnOffEvent org.olat.core.util.SignOnOffEvent used on opensource projects

Example 6 with SignOnOffEvent

use of org.olat.core.util.SignOnOffEvent in project openolat by klemens.

the class UserSessionManager method internSignOffAndClear.

private void internSignOffAndClear(UserSession usess) {
    boolean isDebug = log.isDebug();
    if (isDebug)
        log.debug("signOffAndClear() START");
    signOffAndClearWithout(usess);
    // handle safely
    try {
        if (usess.isAuthenticated()) {
            SessionInfo sessionInfo = usess.getSessionInfo();
            IdentityEnvironment identityEnvironment = usess.getIdentityEnvironment();
            Identity identity = identityEnvironment.getIdentity();
            log.audit("Logged off: " + sessionInfo);
            CoordinatorManager.getInstance().getCoordinator().getEventBus().fireEventToListenersOf(new SignOnOffEvent(identity, false), ORES_USERSESSION);
            if (isDebug)
                log.debug("signOffAndClear() deregistering usersession from eventbus, id=" + sessionInfo);
            // fxdiff FXOLAT-231: event on GUI Preferences extern changes
            OLATResourceable ores = OresHelper.createOLATResourceableInstance(Preferences.class, identity.getKey());
            CoordinatorManager.getInstance().getCoordinator().getEventBus().deregisterFor(usess, ores);
        }
    } catch (Exception e) {
        log.error("exception in signOffAndClear: while sending signonoffevent!", e);
    }
    // clear all instance variables, set authenticated to false
    usess.init();
    if (isDebug)
        log.debug("signOffAndClear() END");
}

Example 7 with SignOnOffEvent

use of org.olat.core.util.SignOnOffEvent in project openolat by klemens.

the class LockTest method testSaveEvent.

@Test
public void testSaveEvent() {
    Identity identity = JunitTestHelper.createAndPersistIdentityAsRndUser("lock-save-event-");
    dbInstance.closeSession();
    log.info("Created identity=" + identity);
    // The group has no creation date -> commit will fail
    GroupImpl entry = new GroupImpl();
    entry.setName("bar");
    try {
        dbInstance.saveObject(entry);
        dbInstance.commit();
        fail("Should generate an error");
    } catch (DBRuntimeException dre) {
        log.info("DB connection is in error-state");
    }
    // DB transaction must be in error state for this test
    try {
        Locker locker = clusterCoordinator.getLocker();
        assertTrue(locker instanceof ClusterLocker);
        log.info("ClusterLocker created");
        Event event = new SignOnOffEvent(identity, false);
        log.info("START locker.event(event)");
        ((ClusterLocker) locker).event(event);
        log.info("DONE locker.event(event)");
    } catch (Exception ex) {
        log.error("", ex);
        fail("BLOCKER : ClusterLocker.event is not error-safe, db exception could happen and de-register event-listener");
    }
}

Example 8 with SignOnOffEvent

use of org.olat.core.util.SignOnOffEvent in project openolat by klemens.

the class ClusterLocker method event.

/**
 * receives all sign on / sign off events so it can release locks of users
 * which have or are logged off
 *
 * @see org.olat.core.util.event.GenericEventListener#event(org.olat.core.gui.control.Event)
 */
@Override
public void event(Event event) {
    SignOnOffEvent se = (SignOnOffEvent) event;
    if (!se.isSignOn() && se.isEventOnThisNode()) {
        // it is a "logout" event - we are only interested in logout events
        // and it is from our VM => only release all locks from within one VM
        Long identKey = se.getIdentityKey();
        // since the lock is reentrant, a lock could be freed while a session still is in a locked workflow (2x lock and then once freed)
        try {
            clusterLockManager.releaseAllLocksFor(identKey);
            DBFactory.getInstance().commit();
        } catch (DBRuntimeException dbEx) {
            log.warn("releaseAllLocksFor failed, close session and try it again for identName=" + identKey);
            // TODO: 2010-04-23 Transactions [eglis]: OLAT-4318: this rollback has possibly unwanted
            // side effects, as it rolls back any changes with this transaction during this
            // event handling. Nicer would be to be done in the outmost-possible place, e.g. dofire()
            DBFactory.getInstance().rollbackAndCloseSession();
            // try again with new db-session
            log.info("try again to release all locks for identName=" + identKey);
            clusterLockManager.releaseAllLocksFor(identKey);
            log.info("Done, released all locks for identName=" + identKey);
        }
    }
}

Example 9 with SignOnOffEvent

use of org.olat.core.util.SignOnOffEvent in project OpenOLAT by OpenOLAT.

the class UserSessionManager method signOn.

/**
 * prior to calling this method, all instance vars must be set.
 */
public void signOn(UserSession usess) {
    boolean isDebug = log.isDebug();
    // fix a possible dead-lock see also OLAT-3390
    synchronized (usess) {
        if (isDebug)
            log.debug("signOn() START");
        if (usess.isAuthenticated()) {
            throw new AssertException("sign on: already signed on!");
        }
        IdentityEnvironment identityEnvironment = usess.getIdentityEnvironment();
        Identity identity = identityEnvironment.getIdentity();
        if (identity == null) {
            throw new AssertException("identity is null in identityEnvironment!");
        }
        SessionInfo sessionInfo = usess.getSessionInfo();
        if (sessionInfo == null) {
            throw new AssertException("sessionInfo was null for identity " + identity);
        }
        usess.setAuthenticated(true);
        if (sessionInfo.isWebDAV()) {
            // load user prefs
            usess.reloadPreferences();
            // we're only adding this webdav session to the authUserSessions - not to the userNameToIdentity.
            // userNameToIdentity is only needed for IM which can't do anything with a webdav session
            authUserSessions.add(usess);
            log.audit("Logged on [via webdav]: " + sessionInfo.toString());
        } else {
            UserSession invalidatedSession = null;
            if (isDebug) {
                log.debug("signOn() authUsersNamesOtherNodes.contains " + identity.getName() + ": " + authUsersNamesOtherNodes.contains(identity.getKey()));
            }
            // check if already a session exist for this user
            if ((userNameToIdentity.contains(identity.getKey()) || userSessionCache.containsKey(identity.getKey())) && !sessionInfo.isWebDAV() && !sessionInfo.isREST() && !usess.getRoles().isGuestOnly()) {
                log.info("Loggin-process II: User has already a session => signOffAndClear existing session");
                invalidatedSession = getUserSessionForGui(identity.getKey());
                // signOffAndClear does not remove the identity.getName().toLowerCase() from the userNameToIdentity
                if (invalidatedSession != null) {
                    authUserSessions.remove(invalidatedSession);
                }
            }
            authUserSessions.add(usess);
            // characters -> map stores values as such
            if (isDebug)
                log.debug("signOn() adding to userNameToIdentity: " + identity.getName().toLowerCase());
            userNameToIdentity.add(identity.getKey());
            userSessionCache.put(identity.getKey(), new Integer(Settings.getNodeId()));
            // reload user prefs
            usess.reloadPreferences();
            log.audit("Logged on: " + sessionInfo.toString());
            CoordinatorManager.getInstance().getCoordinator().getEventBus().fireEventToListenersOf(new SignOnOffEvent(identity, true), ORES_USERSESSION);
            // check if a session from any browser was invalidated (IE has a cookie set per Browserinstance!!)
            if (invalidatedSession != null || authUsersNamesOtherNodes.contains(identity.getKey())) {
                // put flag killed-existing-session into session-store to show info-message 'only one session for each user' on user-home screen
                usess.putEntry(STORE_KEY_KILLED_EXISTING_SESSION, Boolean.TRUE);
                if (isDebug)
                    log.debug("signOn() removing from authUsersNamesOtherNodes: " + identity.getName());
                authUsersNamesOtherNodes.remove(identity.getKey());
                // OLAT-3381 & OLAT-3382
                if (invalidatedSession != null) {
                    signOffAndClear(invalidatedSession);
                }
            }
            if (isDebug)
                log.debug("signOn() END");
        }
        // update logged in users counters
        if (sessionInfo.isREST()) {
            sessionCountRest.incrementAndGet();
        } else if (sessionInfo.isWebDAV()) {
            sessionCountDav.incrementAndGet();
        } else {
            sessionCountWeb.incrementAndGet();
        }
    }
}

Example 10 with SignOnOffEvent

use of org.olat.core.util.SignOnOffEvent in project openolat by klemens.

the class UserSessionManager method signOn.

/**
 * prior to calling this method, all instance vars must be set.
 */
public void signOn(UserSession usess) {
    boolean isDebug = log.isDebug();
    // fix a possible dead-lock see also OLAT-3390
    synchronized (usess) {
        if (isDebug)
            log.debug("signOn() START");
        if (usess.isAuthenticated()) {
            throw new AssertException("sign on: already signed on!");
        }
        IdentityEnvironment identityEnvironment = usess.getIdentityEnvironment();
        Identity identity = identityEnvironment.getIdentity();
        if (identity == null) {
            throw new AssertException("identity is null in identityEnvironment!");
        }
        SessionInfo sessionInfo = usess.getSessionInfo();
        if (sessionInfo == null) {
            throw new AssertException("sessionInfo was null for identity " + identity);
        }
        usess.setAuthenticated(true);
        if (sessionInfo.isWebDAV()) {
            // load user prefs
            usess.reloadPreferences();
            // we're only adding this webdav session to the authUserSessions - not to the userNameToIdentity.
            // userNameToIdentity is only needed for IM which can't do anything with a webdav session
            authUserSessions.add(usess);
            log.audit("Logged on [via webdav]: " + sessionInfo.toString());
        } else {
            UserSession invalidatedSession = null;
            if (isDebug) {
                log.debug("signOn() authUsersNamesOtherNodes.contains " + identity.getName() + ": " + authUsersNamesOtherNodes.contains(identity.getKey()));
            }
            // check if already a session exist for this user
            if ((userNameToIdentity.contains(identity.getKey()) || userSessionCache.containsKey(identity.getKey())) && !sessionInfo.isWebDAV() && !sessionInfo.isREST() && !usess.getRoles().isGuestOnly()) {
                log.info("Loggin-process II: User has already a session => signOffAndClear existing session");
                invalidatedSession = getUserSessionForGui(identity.getKey());
                // signOffAndClear does not remove the identity.getName().toLowerCase() from the userNameToIdentity
                if (invalidatedSession != null) {
                    authUserSessions.remove(invalidatedSession);
                }
            }
            authUserSessions.add(usess);
            // characters -> map stores values as such
            if (isDebug)
                log.debug("signOn() adding to userNameToIdentity: " + identity.getName().toLowerCase());
            userNameToIdentity.add(identity.getKey());
            userSessionCache.put(identity.getKey(), new Integer(Settings.getNodeId()));
            // reload user prefs
            usess.reloadPreferences();
            log.audit("Logged on: " + sessionInfo.toString());
            CoordinatorManager.getInstance().getCoordinator().getEventBus().fireEventToListenersOf(new SignOnOffEvent(identity, true), ORES_USERSESSION);
            // check if a session from any browser was invalidated (IE has a cookie set per Browserinstance!!)
            if (invalidatedSession != null || authUsersNamesOtherNodes.contains(identity.getKey())) {
                // put flag killed-existing-session into session-store to show info-message 'only one session for each user' on user-home screen
                usess.putEntry(STORE_KEY_KILLED_EXISTING_SESSION, Boolean.TRUE);
                if (isDebug)
                    log.debug("signOn() removing from authUsersNamesOtherNodes: " + identity.getName());
                authUsersNamesOtherNodes.remove(identity.getKey());
                // OLAT-3381 & OLAT-3382
                if (invalidatedSession != null) {
                    signOffAndClear(invalidatedSession);
                }
            }
            if (isDebug)
                log.debug("signOn() END");
        }
        // update logged in users counters
        if (sessionInfo.isREST()) {
            sessionCountRest.incrementAndGet();
        } else if (sessionInfo.isWebDAV()) {
            sessionCountDav.incrementAndGet();
        } else {
            sessionCountWeb.incrementAndGet();
        }
    }
}