001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.workplace.tools.accounts;
029
030import org.opencms.file.CmsGroup;
031import org.opencms.file.CmsObject;
032import org.opencms.file.CmsResource;
033import org.opencms.file.CmsResourceFilter;
034import org.opencms.file.CmsUser;
035import org.opencms.jsp.CmsJspActionElement;
036import org.opencms.main.CmsException;
037import org.opencms.main.CmsLog;
038import org.opencms.main.OpenCms;
039import org.opencms.security.CmsAccessControlEntry;
040import org.opencms.security.CmsRole;
041import org.opencms.util.CmsUUID;
042import org.opencms.workplace.list.A_CmsListDialog;
043import org.opencms.workplace.list.CmsListColumnDefinition;
044import org.opencms.workplace.list.CmsListCsvExportIAction;
045import org.opencms.workplace.list.CmsListItem;
046import org.opencms.workplace.list.CmsListMetadata;
047import org.opencms.workplace.list.CmsListMetadata.I_CsvItemFormatter;
048import org.opencms.workplace.list.CmsListOrderEnum;
049import org.opencms.workplace.list.CmsListSearchAction;
050
051import java.io.IOException;
052import java.io.StringWriter;
053import java.util.ArrayList;
054import java.util.Arrays;
055import java.util.Collection;
056import java.util.HashSet;
057import java.util.List;
058import java.util.Locale;
059import java.util.Set;
060
061import javax.servlet.http.HttpServletRequest;
062import javax.servlet.http.HttpServletResponse;
063import javax.servlet.jsp.PageContext;
064
065import org.apache.commons.logging.Log;
066
067import com.google.common.collect.ArrayListMultimap;
068import com.google.common.collect.Multimap;
069
070import au.com.bytecode.opencsv.CSVWriter;
071
072/**
073 * Group dependencies list view.<p>
074 */
075public class CmsAllPrincipalDependenciesList extends A_CmsListDialog {
076
077    /**
078     * Helper class for generating the list entries.
079     */
080    protected static class ElementGenerator {
081
082        /** The access control entry cache. */
083        private Multimap<CmsUUID, CmsAccessControlEntry> m_ace;
084
085        /** The CMS object used for file operations. */
086        private CmsObject m_cms;
087
088        /** The generated list entries. */
089        private List<String[]> m_entries = new ArrayList<String[]>();
090
091        /**
092         * Creates a new instance.<p>
093         *
094         * @param cms the CMS context to use for file operations
095         *
096         * @throws CmsException if something goes wrong
097         */
098        public ElementGenerator(CmsObject cms)
099        throws CmsException {
100
101            m_cms = OpenCms.initCmsObject(cms);
102            m_cms.getRequestContext().setSiteRoot("");
103        }
104
105        /**
106         * Generates the list entries.<p>
107         *
108         * @return a list of string arrays of the form ( name, credential, permissions, path )
109         *
110         * @throws CmsException if something goes wrong
111         */
112        public List<String[]> generateEntries() throws CmsException {
113
114            Locale locale = OpenCms.getWorkplaceManager().getWorkplaceLocale(m_cms);
115            addDirectEntries(
116                CmsAccessControlEntry.PRINCIPAL_OVERWRITE_ALL_ID,
117                CmsAccessControlEntry.PRINCIPAL_OVERWRITE_ALL_NAME,
118                locale);
119            addDirectEntries(
120                CmsAccessControlEntry.PRINCIPAL_ALL_OTHERS_ID,
121                CmsAccessControlEntry.PRINCIPAL_ALL_OTHERS_NAME,
122                locale);
123            for (CmsUser user : getUsers()) {
124                CmsUUID userId = user.getId();
125                String name = user.getName();
126                addDirectEntries(userId, name, locale);
127                for (CmsGroup group : m_cms.getGroupsOfUser(user.getName(), false)) {
128                    for (CmsAccessControlEntry ace : getAces(group.getId())) {
129                        for (CmsResource resource : getResources(ace.getResource())) {
130                            String credentials = Messages.get().getBundle(locale).key(
131                                Messages.GUI_CREDENTIAL_GROUP_1,
132                                group.getName());
133                            addEntry(
134                                user.getName(),
135                                credentials,
136                                getAceString(ace),
137
138                                resource.getRootPath());
139
140                        }
141                    }
142                }
143                Set<CmsUUID> processedRoles = new HashSet<CmsUUID>();
144                List<CmsRole> roles = OpenCms.getRoleManager().getRolesOfUser(
145                    m_cms,
146                    user.getName(),
147                    "",
148                    true,
149                    false,
150                    true);
151                for (CmsRole role : roles) {
152                    // only generate one entry for each role, independent of the number of OUs
153                    if (processedRoles.contains(role.getId())) {
154                        continue;
155                    } else {
156                        processedRoles.add(role.getId());
157                    }
158                    for (CmsAccessControlEntry ace : getAces(role.getId())) {
159                        for (CmsResource resource : getResources(ace.getResource())) {
160                            String credentials = Messages.get().getBundle(locale).key(
161                                Messages.GUI_CREDENTIAL_ROLE_1,
162                                role.getName(locale));
163                            addEntry(
164                                user.getName(),
165                                credentials,
166                                getAceString(ace),
167
168                                resource.getRootPath());
169
170                        }
171                    }
172                }
173            }
174            LOG.info("Generated " + m_entries.size() + " entries for " + this.getClass().getName());
175            return m_entries;
176        }
177
178        /**
179         * Helper method to add the direct ACEs for a principal.<p>
180         *
181         * @param principalId the principal id
182         * @param name the principal name
183         * @param locale the locale
184         *
185         * @throws CmsException if something goes wrong
186         */
187        protected void addDirectEntries(CmsUUID principalId, String name, Locale locale) throws CmsException {
188
189            for (CmsAccessControlEntry ace : getAces(principalId)) {
190                for (CmsResource resource : getResources(ace.getResource())) {
191                    String credentials = Messages.get().getBundle(locale).key(Messages.GUI_CREDENTIAL_DIRECT_0);
192                    addEntry(name, credentials, getAceString(ace), resource.getRootPath());
193                }
194            }
195        }
196
197        /**
198         * Adds a new entry.<p>
199         *
200         * @param user the user name
201         * @param principal the credential name
202         * @param permissions the permission string
203         * @param path the resource path
204         */
205        private void addEntry(String user, String principal, String permissions, String path) {
206
207            m_entries.add(new String[] {user, "" + principal, permissions, path});
208        }
209
210        /**
211         * Gets the access control entries for a given principal id.<p>
212         *
213         * @param principalId the principal id
214         * @return the access control entries for that principal id
215         *
216         * @throws CmsException if something goes wrong
217         */
218        private Collection<CmsAccessControlEntry> getAces(CmsUUID principalId) throws CmsException {
219
220            if (m_ace == null) {
221                m_ace = ArrayListMultimap.create();
222                List<CmsAccessControlEntry> entries = m_cms.getAllAccessControlEntries();
223                for (CmsAccessControlEntry entry : entries) {
224                    m_ace.put(entry.getPrincipal(), entry);
225                }
226            }
227            return m_ace.get(principalId);
228        }
229
230        /**
231         * Creates a string representation of an access control entry.<p>
232         *
233         * @param ace the access control entry
234         *
235         * @return the string representation of the access control entry
236         */
237        private String getAceString(CmsAccessControlEntry ace) {
238
239            String result = ace.getPermissions().getPermissionString()
240                + (ace.isResponsible() ? ace.getResponsibleString() : "")
241                + ace.getInheritingString();
242            if ((ace.getFlags() & CmsAccessControlEntry.ACCESS_FLAGS_OVERWRITE) != 0) {
243                result = result
244                    + " ("
245                    + Messages.get().getBundle(OpenCms.getWorkplaceManager().getWorkplaceLocale(m_cms)).key(
246                        Messages.GUI_PERMISSION_COLUMN_OVERWRITE_0)
247                    + ")";
248            }
249            return result;
250
251        }
252
253        /**
254         * Reads all resources with a given resource id.<p>
255         *
256         * @param resourceId the resource id
257         * @return the resources with the given id
258         * @throws CmsException if something goes wrong
259         */
260        private List<CmsResource> getResources(CmsUUID resourceId) throws CmsException {
261
262            return m_cms.readSiblingsForResourceId(resourceId, CmsResourceFilter.ALL);
263        }
264
265        /**
266         * Gets all users.<p>
267         *
268         * @return the list of all users
269         *
270         * @throws CmsException if something goes wrong
271         */
272        private List<CmsUser> getUsers() throws CmsException {
273
274            List<CmsUser> users = OpenCms.getOrgUnitManager().getUsersWithoutAdditionalInfo(m_cms, "", true);
275            return users;
276        }
277
278    }
279
280    /**Column id. */
281    public static final String LIST_COLUMN_CREDENTIAL = "apxu_credential";
282
283    /**Column id. */
284    public static final String LIST_COLUMN_PERMISSIONS = "apxu_permissions";
285
286    /**Column id. */
287    public static final String LIST_COLUMN_USER = "apxu_user";
288
289    /** List id constant. */
290    public static final String LIST_ID = "allpermissionsxusers";
291
292    /** Logger instance for this class. */
293    public static final Log LOG = CmsLog.getLog(CmsAllPrincipalDependenciesList.class);
294
295    /**Column id. */
296    static final String LIST_COLUMN_PATH = "apxu_path";
297
298    /**
299     * Public constructor.<p>
300     *
301     * @param jsp an initialized JSP action element
302     */
303    public CmsAllPrincipalDependenciesList(CmsJspActionElement jsp) {
304
305        this(LIST_ID, jsp);
306    }
307
308    /**
309     * Public constructor with JSP variables.<p>
310     *
311     * @param context the JSP page context
312     * @param req the JSP request
313     * @param res the JSP response
314     */
315    public CmsAllPrincipalDependenciesList(PageContext context, HttpServletRequest req, HttpServletResponse res) {
316
317        this(new CmsJspActionElement(context, req, res));
318    }
319
320    /**
321     * Protected constructor.<p>
322     *
323     * @param listId the id of the specialized list
324     * @param jsp an initialized JSP action element
325     */
326    protected CmsAllPrincipalDependenciesList(String listId, CmsJspActionElement jsp) {
327
328        super(
329            jsp,
330            listId,
331            Messages.get().container(Messages.GUI_ALL_PRINCIPAL_DEPENDENCIES_LIST_0),
332            LIST_COLUMN_USER,
333            CmsListOrderEnum.ORDER_ASCENDING,
334            LIST_COLUMN_USER);
335    }
336
337    /**
338     * @see org.opencms.workplace.list.A_CmsListDialog#executeListMultiActions()
339     */
340    @Override
341    public void executeListMultiActions() {
342
343        throwListUnsupportedActionException();
344    }
345
346    /**
347     * @see org.opencms.workplace.list.A_CmsListDialog#executeListSingleActions()
348     */
349    @Override
350    public void executeListSingleActions() {
351
352        throwListUnsupportedActionException();
353    }
354
355    /**
356     * @see org.opencms.workplace.CmsWorkplace#decodeParamValue(java.lang.String, java.lang.String)
357     *
358     * Overridden because we don't want to 'decode' '+' characters for the search
359     */
360    @Override
361    protected String decodeParamValue(String paramName, String paramValue) {
362
363        return paramValue;
364    }
365
366    /**
367     * @see org.opencms.workplace.list.A_CmsListDialog#fillDetails(java.lang.String)
368     */
369    @Override
370    protected void fillDetails(String detailId) {
371
372        // no-op
373    }
374
375    /**
376     * @see org.opencms.workplace.list.A_CmsListDialog#getListItems()
377     */
378    @Override
379    protected List<CmsListItem> getListItems() throws CmsException {
380
381        try {
382
383            ElementGenerator generator = new ElementGenerator(getCms());
384            List<String[]> entries = generator.generateEntries();
385            List<CmsListItem> result = new ArrayList<CmsListItem>();
386            for (String[] entry : entries) {
387                String user = entry[0];
388                String principal = entry[1];
389                String permissions = entry[2];
390                String path = entry[3];
391                CmsListItem item = getList().newItem("" + user + "_" + principal + "_" + path);
392                item.set(LIST_COLUMN_USER, user);
393                item.set(LIST_COLUMN_CREDENTIAL, principal);
394                item.set(LIST_COLUMN_PERMISSIONS, permissions);
395                item.set(LIST_COLUMN_PATH, path);
396                result.add(item);
397            }
398            return result;
399        } catch (CmsException e) {
400            LOG.error(e.getLocalizedMessage(), e);
401            throw e;
402        }
403    }
404
405    /**
406     * @see org.opencms.workplace.CmsWorkplace#initMessages()
407     */
408    @Override
409    protected void initMessages() {
410
411        // add specific dialog resource bundle
412        addMessages(Messages.get().getBundleName());
413        // add cms dialog resource bundle
414        addMessages(org.opencms.workplace.Messages.get().getBundleName());
415        // add default resource bundles
416        super.initMessages();
417    }
418
419    /**
420     * @see org.opencms.workplace.list.A_CmsListDialog#setColumns(org.opencms.workplace.list.CmsListMetadata)
421     */
422    @Override
423    protected void setColumns(CmsListMetadata metadata) {
424
425        CmsListColumnDefinition userCol = new CmsListColumnDefinition(LIST_COLUMN_USER);
426        userCol.setName(Messages.get().container(Messages.GUI_ALLDEP_LIST_COL_USER_0));
427
428        CmsListColumnDefinition credentialCol = new CmsListColumnDefinition(LIST_COLUMN_CREDENTIAL);
429        credentialCol.setName(Messages.get().container(Messages.GUI_ALLDEP_LIST_COL_CREDENTIALS_0));
430
431        CmsListColumnDefinition pathCol = new CmsListColumnDefinition(LIST_COLUMN_PATH);
432        pathCol.setName(Messages.get().container(Messages.GUI_ALLDEP_LIST_COL_PATH_0));
433
434        CmsListColumnDefinition permCol = new CmsListColumnDefinition(LIST_COLUMN_PERMISSIONS);
435        permCol.setName(Messages.get().container(Messages.GUI_ALLDEP_LIST_COL_PERMISSIONS_0));
436
437        List<CmsListColumnDefinition> columns = Arrays.asList(userCol, credentialCol, pathCol, permCol);
438        for (CmsListColumnDefinition col : columns) {
439            metadata.addColumn(col);
440        }
441        CmsListSearchAction searchAction = new CmsListSearchAction(metadata.getColumnDefinition(LIST_COLUMN_PATH));
442        metadata.setSearchAction(searchAction);
443        for (CmsListColumnDefinition col : columns) {
444            if (!searchAction.getColumns().contains(col)) {
445                searchAction.addColumn(col);
446            }
447        }
448        metadata.setCsvItemFormatter(new I_CsvItemFormatter() {
449
450            public String csvHeader() {
451
452                return "";
453            }
454
455            public String csvItem(CmsListItem item) {
456
457                StringWriter sw = new StringWriter();
458                try {
459                    CSVWriter csvWriter = new CSVWriter(sw);
460                    try {
461                        csvWriter.writeNext(
462                            new String[] {
463                                (String)item.get(LIST_COLUMN_USER),
464                                (String)item.get(LIST_COLUMN_CREDENTIAL),
465                                (String)item.get(LIST_COLUMN_PATH),
466                                (String)item.get(LIST_COLUMN_PERMISSIONS)});
467                    } finally {
468                        csvWriter.close();
469                    }
470                } catch (IOException e) {
471                    // should never happen, log anyway
472                    LOG.error(e.getLocalizedMessage(), e);
473                }
474                return sw.getBuffer().toString();
475            }
476        });
477
478    }
479
480    /**
481     * @see org.opencms.workplace.list.A_CmsListDialog#setIndependentActions(org.opencms.workplace.list.CmsListMetadata)
482     */
483    @Override
484    protected void setIndependentActions(CmsListMetadata metadata) {
485
486        metadata.addIndependentAction(new CmsListCsvExportIAction());
487
488    }
489
490    /**
491     * @see org.opencms.workplace.list.A_CmsListDialog#setMultiActions(org.opencms.workplace.list.CmsListMetadata)
492     */
493    @Override
494    protected void setMultiActions(CmsListMetadata metadata) {
495
496        // no-op
497    }
498}