001/*
002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors.
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.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 *     troger
016 *
017 * $Id$
018 */
019
020package org.nuxeo.ecm.platform.annotations.gwt.server.configuration;
021
022import java.io.IOException;
023import java.util.HashMap;
024import java.util.List;
025import java.util.Map;
026
027import javax.servlet.ServletException;
028import javax.servlet.http.HttpServletRequest;
029import javax.servlet.http.HttpServletResponse;
030
031import org.apache.commons.logging.Log;
032import org.apache.commons.logging.LogFactory;
033import org.nuxeo.ecm.core.api.CoreInstance;
034import org.nuxeo.ecm.core.api.CoreSession;
035import org.nuxeo.ecm.core.api.DocumentLocation;
036import org.nuxeo.ecm.core.api.DocumentModel;
037import org.nuxeo.ecm.core.api.DocumentNotFoundException;
038import org.nuxeo.ecm.core.api.NuxeoPrincipal;
039import org.nuxeo.ecm.platform.annotations.configuration.service.FilterDescriptor;
040import org.nuxeo.ecm.platform.annotations.configuration.service.WebAnnotationConfigurationService;
041import org.nuxeo.ecm.platform.annotations.configuration.service.WebAnnotationDefinitionDescriptor;
042import org.nuxeo.ecm.platform.annotations.configuration.service.WebAnnotationFieldDescriptor;
043import org.nuxeo.ecm.platform.annotations.gwt.client.configuration.AnnotationDefinition;
044import org.nuxeo.ecm.platform.annotations.gwt.client.configuration.WebConfiguration;
045import org.nuxeo.ecm.platform.annotations.gwt.client.configuration.WebConfigurationService;
046import org.nuxeo.ecm.platform.url.api.DocumentView;
047import org.nuxeo.ecm.platform.url.api.DocumentViewCodecManager;
048import org.nuxeo.ecm.platform.web.common.vh.VirtualHostHelper;
049import org.nuxeo.runtime.api.Framework;
050
051import com.google.gwt.user.server.rpc.RemoteServiceServlet;
052
053/**
054 * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a>
055 */
056public class WebConfigurationServiceImpl extends RemoteServiceServlet implements WebConfigurationService {
057
058    private static final long serialVersionUID = 2389527283775608787L;
059
060    private static final Log log = LogFactory.getLog(WebConfigurationServiceImpl.class);
061
062    private WebAnnotationConfigurationService webAnnotationConfigurationService;
063
064    protected DocumentViewCodecManager documentViewCodecManager;
065
066    private NuxeoPrincipal currentUser;
067
068    protected WebAnnotationConfigurationService getConfig() {
069        if (webAnnotationConfigurationService == null) {
070            webAnnotationConfigurationService = Framework.getService(WebAnnotationConfigurationService.class);
071        }
072        return webAnnotationConfigurationService;
073    }
074
075    public WebConfiguration getWebConfiguration(String url) {
076        WebConfiguration conf = new WebConfiguration();
077
078        List<WebAnnotationDefinitionDescriptor> types = getConfig().getEnabledWebAnnotationDefinitions();
079
080        for (WebAnnotationDefinitionDescriptor type : types) {
081            Map<String, String[]> fields = new HashMap<String, String[]>();
082            for (WebAnnotationFieldDescriptor field : type.getFields()) {
083                fields.put(field.getName(), field.getChoices());
084            }
085
086            conf.addAnnotationDefinition(new AnnotationDefinition(type.getUri(), type.getName(), type.getIcon(),
087                    type.getType(), type.getListIcon(), type.getCreateIcon(), type.isInMenu(), fields));
088        }
089
090        UserInfoMapper userInfoMapper = getConfig().getUserInfoMapper();
091        if (userInfoMapper != null) {
092            conf.setUserInfo(userInfoMapper.getUserInfo(currentUser));
093        }
094
095        WebPermission webPermission = getConfig().getWebPermission();
096        if (webPermission != null) {
097            conf.setCanAnnotate(canAnnotate(url, webPermission));
098        }
099
100        Map<String, FilterDescriptor> filters = getConfig().getFilterDefinitions();
101        for (FilterDescriptor filter : filters.values()) {
102            conf.addFilter(filter.getOrder(), filter.getName(), filter.getIcon(), filter.getType(), filter.getAuthor(),
103                    filter.getFields());
104        }
105
106        conf.setDisplayedFields(getConfig().getDisplayedFields());
107        conf.setFieldLabels(getConfig().getFieldLabels());
108        return conf;
109    }
110
111    @Override
112    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException,
113            IOException {
114        currentUser = (NuxeoPrincipal) request.getUserPrincipal();
115        super.service(request, response);
116    }
117
118    protected boolean canAnnotate(String url, WebPermission webPermission) {
119        DocumentViewCodecManager documentViewCodecManager = getDocumentViewCodecManager();
120        DocumentView docView = documentViewCodecManager.getDocumentViewFromUrl(url, true, getBaseUrl(url));
121        DocumentLocation docLocation = docView.getDocumentLocation();
122        try (CoreSession coreSession = CoreInstance.openCoreSession(docLocation.getServerName())) {
123            DocumentModel docModel = coreSession.getDocument(docLocation.getDocRef());
124            return webPermission.canAnnotate(docModel);
125        } catch (DocumentNotFoundException e) {
126            log.error("Unable to get Document: " + docLocation.getDocRef(), e);
127        }
128        return true; // if any error, default to authorize annotations
129    }
130
131    protected DocumentViewCodecManager getDocumentViewCodecManager() {
132        if (documentViewCodecManager == null) {
133            documentViewCodecManager = Framework.getService(DocumentViewCodecManager.class);
134        }
135        return documentViewCodecManager;
136    }
137
138    protected String getBaseUrl(String url) {
139        String nxUrl = VirtualHostHelper.getContextPathProperty() + "/";
140        return url.substring(0, url.lastIndexOf(nxUrl) + nxUrl.length());
141    }
142
143}