001/*
002 * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     troger
018 *
019 * $Id$
020 */
021
022package org.nuxeo.ecm.platform.annotations.gwt.server.configuration;
023
024import java.io.IOException;
025import java.util.HashMap;
026import java.util.List;
027import java.util.Map;
028
029import javax.servlet.ServletException;
030import javax.servlet.http.HttpServletRequest;
031import javax.servlet.http.HttpServletResponse;
032
033import org.apache.commons.logging.Log;
034import org.apache.commons.logging.LogFactory;
035import org.nuxeo.ecm.core.api.CoreInstance;
036import org.nuxeo.ecm.core.api.CoreSession;
037import org.nuxeo.ecm.core.api.DocumentLocation;
038import org.nuxeo.ecm.core.api.DocumentModel;
039import org.nuxeo.ecm.core.api.DocumentNotFoundException;
040import org.nuxeo.ecm.core.api.NuxeoPrincipal;
041import org.nuxeo.ecm.platform.annotations.configuration.service.FilterDescriptor;
042import org.nuxeo.ecm.platform.annotations.configuration.service.WebAnnotationConfigurationService;
043import org.nuxeo.ecm.platform.annotations.configuration.service.WebAnnotationDefinitionDescriptor;
044import org.nuxeo.ecm.platform.annotations.configuration.service.WebAnnotationFieldDescriptor;
045import org.nuxeo.ecm.platform.annotations.gwt.client.configuration.AnnotationDefinition;
046import org.nuxeo.ecm.platform.annotations.gwt.client.configuration.WebConfiguration;
047import org.nuxeo.ecm.platform.annotations.gwt.client.configuration.WebConfigurationService;
048import org.nuxeo.ecm.platform.url.api.DocumentView;
049import org.nuxeo.ecm.platform.url.api.DocumentViewCodecManager;
050import org.nuxeo.ecm.platform.web.common.vh.VirtualHostHelper;
051import org.nuxeo.runtime.api.Framework;
052
053import com.google.gwt.user.server.rpc.RemoteServiceServlet;
054
055/**
056 * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a>
057 */
058public class WebConfigurationServiceImpl extends RemoteServiceServlet implements WebConfigurationService {
059
060    private static final long serialVersionUID = 2389527283775608787L;
061
062    private static final Log log = LogFactory.getLog(WebConfigurationServiceImpl.class);
063
064    private WebAnnotationConfigurationService webAnnotationConfigurationService;
065
066    protected DocumentViewCodecManager documentViewCodecManager;
067
068    private NuxeoPrincipal currentUser;
069
070    protected WebAnnotationConfigurationService getConfig() {
071        if (webAnnotationConfigurationService == null) {
072            webAnnotationConfigurationService = Framework.getService(WebAnnotationConfigurationService.class);
073        }
074        return webAnnotationConfigurationService;
075    }
076
077    public WebConfiguration getWebConfiguration(String url) {
078        WebConfiguration conf = new WebConfiguration();
079
080        List<WebAnnotationDefinitionDescriptor> types = getConfig().getEnabledWebAnnotationDefinitions();
081
082        for (WebAnnotationDefinitionDescriptor type : types) {
083            Map<String, String[]> fields = new HashMap<String, String[]>();
084            for (WebAnnotationFieldDescriptor field : type.getFields()) {
085                fields.put(field.getName(), field.getChoices());
086            }
087
088            conf.addAnnotationDefinition(new AnnotationDefinition(type.getUri(), type.getName(), type.getIcon(),
089                    type.getType(), type.getListIcon(), type.getCreateIcon(), type.isInMenu(), fields));
090        }
091
092        UserInfoMapper userInfoMapper = getConfig().getUserInfoMapper();
093        if (userInfoMapper != null) {
094            conf.setUserInfo(userInfoMapper.getUserInfo(currentUser));
095        }
096
097        WebPermission webPermission = getConfig().getWebPermission();
098        if (webPermission != null) {
099            conf.setCanAnnotate(canAnnotate(url, webPermission));
100        }
101
102        Map<String, FilterDescriptor> filters = getConfig().getFilterDefinitions();
103        for (FilterDescriptor filter : filters.values()) {
104            conf.addFilter(filter.getOrder(), filter.getName(), filter.getIcon(), filter.getType(), filter.getAuthor(),
105                    filter.getFields());
106        }
107
108        conf.setDisplayedFields(getConfig().getDisplayedFields());
109        conf.setFieldLabels(getConfig().getFieldLabels());
110        return conf;
111    }
112
113    @Override
114    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException,
115            IOException {
116        currentUser = (NuxeoPrincipal) request.getUserPrincipal();
117        super.service(request, response);
118    }
119
120    protected boolean canAnnotate(String url, WebPermission webPermission) {
121        DocumentViewCodecManager documentViewCodecManager = getDocumentViewCodecManager();
122        DocumentView docView = documentViewCodecManager.getDocumentViewFromUrl(url, true, getBaseUrl(url));
123        DocumentLocation docLocation = docView.getDocumentLocation();
124        try (CoreSession coreSession = CoreInstance.openCoreSession(docLocation.getServerName())) {
125            DocumentModel docModel = coreSession.getDocument(docLocation.getDocRef());
126            return webPermission.canAnnotate(docModel);
127        } catch (DocumentNotFoundException e) {
128            log.error("Unable to get Document: " + docLocation.getDocRef(), e);
129        }
130        return true; // if any error, default to authorize annotations
131    }
132
133    protected DocumentViewCodecManager getDocumentViewCodecManager() {
134        if (documentViewCodecManager == null) {
135            documentViewCodecManager = Framework.getService(DocumentViewCodecManager.class);
136        }
137        return documentViewCodecManager;
138    }
139
140    protected String getBaseUrl(String url) {
141        String nxUrl = VirtualHostHelper.getContextPathProperty() + "/";
142        return url.substring(0, url.lastIndexOf(nxUrl) + nxUrl.length());
143    }
144
145}