001/*
002 *  Copyright 2012 Anyware Services
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 */
016package org.ametys.web.usermanagement;
017
018import java.io.IOException;
019import java.util.Collection;
020
021import javax.jcr.Repository;
022import javax.jcr.RepositoryException;
023import javax.jcr.Session;
024
025import org.apache.avalon.framework.service.ServiceException;
026import org.apache.avalon.framework.service.ServiceManager;
027import org.apache.cocoon.ProcessingException;
028import org.apache.cocoon.environment.ObjectModelHelper;
029import org.apache.cocoon.environment.Request;
030import org.apache.cocoon.generation.ServiceableGenerator;
031import org.apache.cocoon.xml.AttributesImpl;
032import org.apache.cocoon.xml.XMLUtils;
033import org.apache.commons.lang.StringUtils;
034import org.xml.sax.SAXException;
035
036import org.ametys.core.user.CurrentUserProvider;
037import org.ametys.core.user.UserIdentity;
038import org.ametys.plugins.repository.AmetysObjectResolver;
039import org.ametys.runtime.i18n.I18nizableText;
040import org.ametys.web.WebConstants;
041import org.ametys.web.cache.PageHelper;
042import org.ametys.web.repository.page.Page;
043import org.ametys.web.site.SiteConfigurationExtensionPoint;
044import org.ametys.web.skin.Skin;
045import org.ametys.web.skin.SkinsManager;
046import org.ametys.web.synchronization.SynchronizeComponent;
047
048import com.google.common.collect.Multimap;
049
050/**
051 * Generate information to render the user signup service.
052 */
053public class UserSignupGenerator extends ServiceableGenerator
054{
055    /** The user signup manager. */
056    protected UserSignupManager _userSignupManager;
057    /** The site configuration EP. */
058    protected SiteConfigurationExtensionPoint _siteConfiguration;
059    /** The ametys object resolver. */
060    protected AmetysObjectResolver _resolver;
061    /** The component for live synchronization */
062    protected SynchronizeComponent _synchronizeComponent;
063    /** The {@link SkinsManager}*/
064    protected SkinsManager _skinManager;
065    /** The repository */
066    protected Repository _repository;
067    /** Page helper */
068    protected PageHelper _pageHelper;
069    /** The current user provider */
070    protected CurrentUserProvider _currentUserProvider;
071    
072    @Override
073    public void service(ServiceManager serviceManager) throws ServiceException
074    {
075        super.service(serviceManager);
076        _userSignupManager = (UserSignupManager) serviceManager.lookup(UserSignupManager.ROLE);
077        _siteConfiguration = (SiteConfigurationExtensionPoint) serviceManager.lookup(SiteConfigurationExtensionPoint.ROLE);
078        _resolver = (AmetysObjectResolver) serviceManager.lookup(AmetysObjectResolver.ROLE);
079        _skinManager = (SkinsManager) serviceManager.lookup(SkinsManager.ROLE);
080        _synchronizeComponent = (SynchronizeComponent) serviceManager.lookup(SynchronizeComponent.ROLE);
081        _repository = (Repository) serviceManager.lookup(Repository.class.getName());
082        _pageHelper = (PageHelper) serviceManager.lookup(PageHelper.ROLE);
083        _currentUserProvider = (CurrentUserProvider) serviceManager.lookup(CurrentUserProvider.ROLE);
084    }
085    
086    @Override
087    public void generate() throws IOException, SAXException, ProcessingException
088    {
089        Request request = ObjectModelHelper.getRequest(objectModel);
090        String siteName = (String) request.getAttribute("site");
091        String language = (String) request.getAttribute("sitemapLanguage");
092        Page page = (Page) request.getAttribute(Page.class.getName());
093        
094        Boolean publicSignup = _siteConfiguration.getValueAsBoolean(siteName, "public-signup");
095        Page signupPage = _userSignupManager.getSignupPage(siteName, language);
096        Page pwdChangePage = _userSignupManager.getPwdChangePage(siteName, language);
097        Page userMainPrefsPage = _userSignupManager.getUserMainPrefsPage(siteName, language);
098        
099        @SuppressWarnings("unchecked")
100        Multimap<String, I18nizableText> errors = (Multimap<String, I18nizableText>) request.getAttribute("errors");
101        String firstName = request.getParameter("firstname");
102        String lastName = request.getParameter("lastname");
103        String email = request.getParameter("email");
104        String token = request.getParameter("token");
105        
106        contentHandler.startDocument();
107        
108        AttributesImpl attrs = new AttributesImpl();
109        if (page != null)
110        {
111            _addNotEmptyAttribute (attrs, "current-page", page.getId());
112        }
113        if (publicSignup != null)
114        {
115            _addNotEmptyAttribute (attrs, "public-signup", publicSignup.toString());
116        }
117        if (signupPage != null)
118        {
119            _addNotEmptyAttribute (attrs, "signup-page-id", signupPage.getId());
120        }
121        if (pwdChangePage != null)
122        {
123            _addNotEmptyAttribute (attrs, "password-change-page-id", pwdChangePage.getId());
124        }
125        if (userMainPrefsPage != null)
126        {
127            _addNotEmptyAttribute (attrs, "user-prefs-page-id", userMainPrefsPage.getId());
128        }
129        
130        UserIdentity userIdentity = _currentUserProvider.getUser();
131        if (userIdentity != null)
132        {
133            _addNotEmptyAttribute (attrs, "fo-user-login", userIdentity.getLogin());
134            _addNotEmptyAttribute (attrs, "fo-user-population", userIdentity.getPopulationId());
135        }
136        _addNotEmptyAttribute (attrs, "firstname", firstName);
137        _addNotEmptyAttribute (attrs, "lastname", lastName);
138        _addNotEmptyAttribute (attrs, "email", email);
139        _addNotEmptyAttribute (attrs, "token", token);
140        
141        XMLUtils.startElement(contentHandler, "user-signup", attrs);
142        
143        if (errors != null)
144        {
145            saxErrors(errors);
146        }
147        
148        saxWarnings(publicSignup, signupPage, pwdChangePage, userMainPrefsPage);
149        
150        XMLUtils.createElement(contentHandler, "has-captcha", String.valueOf(_pageHelper.isCaptchaRequired(page)));
151        
152        XMLUtils.endElement(contentHandler, "user-signup");
153        
154        contentHandler.endDocument();
155    }
156    
157    private void _addNotEmptyAttribute (AttributesImpl attrs, String name, String value)
158    {
159        if (StringUtils.isNotEmpty(value))
160        {
161            attrs.addCDATAAttribute(name, value);
162        }
163    }
164    
165    /**
166     * Generate errors.
167     * @param errors the error list.
168     * @throws SAXException if an error occurs.
169     */
170    protected void saxErrors(Multimap<String, I18nizableText> errors) throws SAXException
171    {
172        XMLUtils.startElement(contentHandler, "errors");
173        
174        if (errors.containsKey("global"))
175        {
176            Collection<I18nizableText> globalErrors = errors.get("global");
177            
178            XMLUtils.startElement(contentHandler, "global");
179            
180            for (I18nizableText error : globalErrors)
181            {
182                AttributesImpl errorAttrs = new AttributesImpl();
183                if (!error.isI18n())
184                {
185                    errorAttrs.addCDATAAttribute("type", error.getLabel());
186                }
187                XMLUtils.createElement(contentHandler, "error", errorAttrs);
188            }
189            
190            XMLUtils.endElement(contentHandler, "global");
191        }
192        
193        for (String field : errors.keySet())
194        {
195            if (!field.equals("global"))
196            {
197                Collection<I18nizableText> fieldErrors = errors.get(field);
198                
199                AttributesImpl attrs = new AttributesImpl();
200                attrs.addCDATAAttribute("name", field);
201                
202                XMLUtils.startElement(contentHandler, "field", attrs);
203                
204                for (I18nizableText error : fieldErrors)
205                {
206                    error.toSAX(contentHandler, "error");
207                }
208                
209                XMLUtils.endElement(contentHandler, "field");
210            }
211        }
212        
213        XMLUtils.endElement(contentHandler, "errors");
214    }
215    
216    /**
217     * Generate errors which could prevent the service from working.
218     * @param publicSignup indicate if public signup is enabled for the site.
219     * @param signupPage the signup page.
220     * @param pwdChangePage the lost password page.
221     * @param userMainPrefsPage the user main preferences page.
222     * @throws SAXException if an error occurs.
223     */
224    protected void saxWarnings(Boolean publicSignup, Page signupPage, Page pwdChangePage, Page userMainPrefsPage) throws SAXException
225    {
226        
227        XMLUtils.startElement(contentHandler, "warnings");
228        
229        if (publicSignup == null || !publicSignup)
230        {
231            XMLUtils.startElement(contentHandler, "warning");
232            new I18nizableText("plugin.web", "PLUGINS_WEB_USER_SIGNUP_ERROR_NO_PUBLIC_SIGNUP").toSAX(contentHandler);
233            XMLUtils.endElement(contentHandler, "warning");
234        }
235        
236        if (signupPage == null)
237        {
238            XMLUtils.startElement(contentHandler, "warning");
239            new I18nizableText("plugin.web", "PLUGINS_WEB_USER_SIGNUP_ERROR_NO_SIGNUP_PAGE").toSAX(contentHandler);
240            XMLUtils.endElement(contentHandler, "warning");
241        }
242        else if (!_isValid(signupPage))
243        {
244            XMLUtils.startElement(contentHandler, "warning");
245            new I18nizableText("plugin.web", "PLUGINS_WEB_USER_SIGNUP_ERROR_INVALID_SIGNUP_PAGE").toSAX(contentHandler);
246            XMLUtils.endElement(contentHandler, "warning");
247        }
248        
249        if (pwdChangePage == null)
250        {
251            XMLUtils.startElement(contentHandler, "warning");
252            new I18nizableText("plugin.web", "PLUGINS_WEB_USER_SIGNUP_ERROR_NO_PASSWORD_CHANGE_PAGE").toSAX(contentHandler);
253            XMLUtils.endElement(contentHandler, "warning");
254        }
255        else if (!_isValid(pwdChangePage))
256        {
257            XMLUtils.startElement(contentHandler, "warning");
258            new I18nizableText("plugin.web", "PLUGINS_WEB_USER_SIGNUP_ERROR_INVALID_PASSWORD_CHANGE_PAGE").toSAX(contentHandler);
259            XMLUtils.endElement(contentHandler, "warning");
260        }
261        
262        if (userMainPrefsPage == null)
263        {
264            XMLUtils.startElement(contentHandler, "warning");
265            new I18nizableText("plugin.web", "PLUGINS_WEB_USER_SIGNUP_ERROR_NO_PREFS_PAGE").toSAX(contentHandler);
266            XMLUtils.endElement(contentHandler, "warning");
267        }
268        else if (!_isValid(userMainPrefsPage))
269        {
270            XMLUtils.startElement(contentHandler, "warning");
271            new I18nizableText("plugin.web", "PLUGINS_WEB_USER_SIGNUP_ERROR_INVALID_PREFS_PAGE").toSAX(contentHandler);
272            XMLUtils.endElement(contentHandler, "warning");
273        }
274        
275        XMLUtils.endElement(contentHandler, "warnings");
276    }
277    
278    private boolean _isValid(Page page)
279    {
280        Skin skin = _skinManager.getSkin(page.getSite().getSkinId());
281        
282        Session liveSession = null;
283        try
284        {
285            liveSession = _repository.login(WebConstants.LIVE_WORKSPACE);
286            
287            if (!_synchronizeComponent.isPageValid(page, skin) || !_synchronizeComponent.isHierarchyValid(page, liveSession))
288            {
289                return false;
290            }
291            return true;
292        }
293        catch (RepositoryException e)
294        {
295            throw new RuntimeException("Unable to check live workspace", e);
296        }
297        finally
298        {
299            if (liveSession != null)
300            {
301                liveSession.logout();
302            }
303        }
304    }
305}