001/*
002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl-2.1.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Michal Obrebski - Nuxeo
016 */
017
018package org.nuxeo.easyshare;
019
020import javax.security.auth.login.LoginContext;
021import javax.security.auth.login.LoginException;
022import javax.servlet.http.HttpServletRequest;
023
024import org.apache.commons.logging.Log;
025import org.apache.commons.logging.LogFactory;
026import org.nuxeo.ecm.core.api.CoreInstance;
027import org.nuxeo.ecm.core.api.CoreSession;
028import org.nuxeo.ecm.core.api.IdRef;
029import org.nuxeo.ecm.webengine.jaxrs.context.RequestCleanupHandler;
030import org.nuxeo.ecm.webengine.jaxrs.context.RequestContext;
031import org.nuxeo.runtime.api.Framework;
032
033public abstract class EasyShareUnrestrictedRunner {
034
035    private static final Log log = LogFactory.getLog(EasyShareUnrestrictedRunner.class);
036
037    protected CoreSession session;
038
039    public Object runUnrestricted(String docId) {
040        final LoginContext lc;
041        try {
042            lc = Framework.login();
043        } catch (LoginException ex) {
044            log.error("Unable to render page", ex);
045            return null;
046        }
047        CoreSession coreSession = null;
048        try {
049            coreSession = CoreInstance.openCoreSession(null);
050
051            // Run unrestricted operation
052            IdRef docRef = new IdRef(docId);
053            return run(coreSession, docRef);
054
055        } finally {
056            final CoreSession session2close = coreSession;
057            RequestContext.getActiveContext().addRequestCleanupHandler(new RequestCleanupHandler() {
058
059                @Override
060                public void cleanup(HttpServletRequest req) {
061                    try {
062                        session2close.close();
063                        lc.logout();
064                    } catch (LoginException e) {
065                        log.error("Error during request context cleanup", e);
066                    }
067                }
068            });
069
070        }
071
072    }
073
074    public abstract Object run(CoreSession coreSession, IdRef docId);
075}