001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.editor.fckeditor.receiver.impl;
016    
017    import com.liferay.portal.editor.fckeditor.command.CommandArgument;
018    import com.liferay.portal.editor.fckeditor.exception.FCKException;
019    import com.liferay.portal.editor.fckeditor.receiver.CommandReceiver;
020    import com.liferay.portal.kernel.dao.orm.QueryUtil;
021    import com.liferay.portal.kernel.io.ByteArrayFileInputStream;
022    import com.liferay.portal.kernel.log.Log;
023    import com.liferay.portal.kernel.log.LogFactoryUtil;
024    import com.liferay.portal.kernel.util.CharPool;
025    import com.liferay.portal.kernel.util.ContentTypes;
026    import com.liferay.portal.kernel.util.GetterUtil;
027    import com.liferay.portal.kernel.util.HtmlUtil;
028    import com.liferay.portal.kernel.util.MimeTypesUtil;
029    import com.liferay.portal.kernel.util.ParamUtil;
030    import com.liferay.portal.kernel.util.PropsKeys;
031    import com.liferay.portal.kernel.util.StreamUtil;
032    import com.liferay.portal.kernel.util.StringBundler;
033    import com.liferay.portal.kernel.util.StringPool;
034    import com.liferay.portal.kernel.util.StringUtil;
035    import com.liferay.portal.kernel.util.UniqueList;
036    import com.liferay.portal.kernel.util.Validator;
037    import com.liferay.portal.model.Group;
038    import com.liferay.portal.model.Organization;
039    import com.liferay.portal.service.GroupLocalServiceUtil;
040    import com.liferay.portal.service.OrganizationLocalServiceUtil;
041    import com.liferay.portal.theme.ThemeDisplay;
042    import com.liferay.portal.upload.LiferayFileItem;
043    import com.liferay.portal.upload.LiferayFileItemFactory;
044    import com.liferay.portal.upload.LiferayFileUpload;
045    import com.liferay.portal.upload.LiferayServletRequest;
046    import com.liferay.portal.upload.UploadServletRequestImpl;
047    import com.liferay.portal.util.PrefsPropsUtil;
048    import com.liferay.portal.util.PropsValues;
049    
050    import java.io.InputStream;
051    import java.io.PrintWriter;
052    
053    import java.util.HashMap;
054    import java.util.LinkedHashMap;
055    import java.util.List;
056    import java.util.Map;
057    
058    import javax.servlet.http.HttpServletRequest;
059    import javax.servlet.http.HttpServletResponse;
060    
061    import javax.xml.parsers.DocumentBuilder;
062    import javax.xml.parsers.DocumentBuilderFactory;
063    import javax.xml.parsers.ParserConfigurationException;
064    import javax.xml.transform.Transformer;
065    import javax.xml.transform.TransformerFactory;
066    import javax.xml.transform.dom.DOMSource;
067    import javax.xml.transform.stream.StreamResult;
068    
069    import org.apache.commons.fileupload.FileItem;
070    import org.apache.commons.fileupload.disk.DiskFileItem;
071    import org.apache.commons.fileupload.servlet.ServletFileUpload;
072    
073    import org.w3c.dom.Document;
074    import org.w3c.dom.Element;
075    import org.w3c.dom.Node;
076    
077    /**
078     * @author Ivica Cardic
079     * @author Raymond Augé
080     */
081    public abstract class BaseCommandReceiver implements CommandReceiver {
082    
083            public void createFolder(
084                    CommandArgument commandArgument, HttpServletRequest request,
085                    HttpServletResponse response) {
086    
087                    Document document = _createDocument();
088    
089                    Node rootNode = _createRoot(
090                            document, commandArgument.getCommand(), commandArgument.getType(),
091                            commandArgument.getCurrentFolder(), StringPool.BLANK);
092    
093                    Element errorElement = document.createElement("Error");
094    
095                    rootNode.appendChild(errorElement);
096    
097                    String returnValue = "0";
098    
099                    try {
100                            returnValue = createFolder(commandArgument);
101                    }
102                    catch (FCKException fcke) {
103                            Throwable cause = fcke.getCause();
104    
105                            returnValue = "110";
106    
107                            if (cause != null) {
108                                    String causeString = GetterUtil.getString(cause.toString());
109    
110                                    if (causeString.contains("DuplicateFolderNameException")) {
111                                            returnValue = "101";
112                                    }
113                                    else if (causeString.contains("FolderNameException")) {
114                                            returnValue = "102";
115                                    }
116                                    else if (causeString.contains("NoSuchGroupException") ||
117                                                     causeString.contains("PrincipalException")) {
118    
119                                            returnValue = "103";
120                                    }
121                                    else {
122                                            throw fcke;
123                                    }
124                            }
125                    }
126    
127                    errorElement.setAttribute("number", returnValue);
128    
129                    _writeDocument(document, response);
130            }
131    
132            public void fileUpload(
133                    CommandArgument commandArgument, HttpServletRequest request,
134                    HttpServletResponse response) {
135    
136                    InputStream inputStream = null;
137    
138                    String returnValue = null;
139    
140                    try {
141                            ServletFileUpload servletFileUpload = new LiferayFileUpload(
142                                    new LiferayFileItemFactory(
143                                            UploadServletRequestImpl.getTempDir()), request);
144    
145                            servletFileUpload.setFileSizeMax(
146                                    PrefsPropsUtil.getLong(
147                                            PropsKeys.UPLOAD_SERVLET_REQUEST_IMPL_MAX_SIZE));
148    
149                            LiferayServletRequest liferayServletRequest =
150                                    new LiferayServletRequest(request);
151    
152                            List<FileItem> fileItems = servletFileUpload.parseRequest(
153                                    liferayServletRequest);
154    
155                            Map<String, Object> fields = new HashMap<String, Object>();
156    
157                            for (FileItem fileItem : fileItems) {
158                                    if (fileItem.isFormField()) {
159                                            fields.put(fileItem.getFieldName(), fileItem.getString());
160                                    }
161                                    else {
162                                            fields.put(fileItem.getFieldName(), fileItem);
163                                    }
164                            }
165    
166                            DiskFileItem diskFileItem = (DiskFileItem)fields.get("NewFile");
167    
168                            String fileName = StringUtil.replace(
169                                    diskFileItem.getName(), CharPool.BACK_SLASH, CharPool.SLASH);
170                            String[] fileNameArray = StringUtil.split(fileName, '/');
171                            fileName = fileNameArray[fileNameArray.length - 1];
172    
173                            String contentType = diskFileItem.getContentType();
174    
175                            if (Validator.isNull(contentType) ||
176                                    contentType.equals(ContentTypes.APPLICATION_OCTET_STREAM)) {
177    
178                                    contentType = MimeTypesUtil.getContentType(
179                                            diskFileItem.getStoreLocation());
180                            }
181    
182                            if (diskFileItem.isInMemory()) {
183                                    inputStream = diskFileItem.getInputStream();
184                            }
185                            else {
186                                    inputStream = new ByteArrayFileInputStream(
187                                            diskFileItem.getStoreLocation(),
188                                            LiferayFileItem.THRESHOLD_SIZE);
189                            }
190    
191                            long size = diskFileItem.getSize();
192    
193                            returnValue = fileUpload(
194                                    commandArgument, fileName, inputStream, contentType, size);
195                    }
196                    catch (Exception e) {
197                            FCKException fcke = null;
198    
199                            if (e instanceof FCKException) {
200                                    fcke = (FCKException)e;
201                            }
202                            else {
203                                    fcke = new FCKException(e);
204                            }
205    
206                            Throwable cause = fcke.getCause();
207    
208                            returnValue = "203";
209    
210                            if (cause != null) {
211                                    String causeString = GetterUtil.getString(cause.toString());
212    
213                                    if (causeString.contains("NoSuchFolderException")||
214                                            causeString.contains("NoSuchGroupException")) {
215    
216                                            returnValue = "204";
217                                    }
218                                    else if (causeString.contains("ImageNameException")) {
219                                            returnValue = "205";
220                                    }
221                                    else if (causeString.contains("FileExtensionException") ||
222                                                     causeString.contains("FileNameException")) {
223    
224                                            returnValue = "206";
225                                    }
226                                    else if (causeString.contains("PrincipalException")) {
227                                            returnValue = "207";
228                                    }
229                                    else if (causeString.contains("ImageSizeException") ||
230                                                     causeString.contains("FileSizeException")) {
231    
232                                            returnValue = "208";
233                                    }
234                                    else if (causeString.contains("SystemException")) {
235                                            returnValue = "209";
236                                    }
237                                    else {
238                                            throw fcke;
239                                    }
240                            }
241    
242                            _writeUploadResponse(returnValue, response);
243                    }
244                    finally {
245                            StreamUtil.cleanUp(inputStream);
246                    }
247    
248                    _writeUploadResponse(returnValue, response);
249            }
250    
251            public void getFolders(
252                    CommandArgument commandArgument, HttpServletRequest request,
253                    HttpServletResponse response) {
254    
255                    Document document = _createDocument();
256    
257                    Node rootNode = _createRoot(
258                            document, commandArgument.getCommand(), commandArgument.getType(),
259                            commandArgument.getCurrentFolder(), getPath(commandArgument));
260    
261                    getFolders(commandArgument, document, rootNode);
262    
263                    _writeDocument(document, response);
264            }
265    
266            public void getFoldersAndFiles(
267                    CommandArgument commandArgument, HttpServletRequest request,
268                    HttpServletResponse response) {
269    
270                    Document document = _createDocument();
271    
272                    Node rootNode = _createRoot(
273                            document, commandArgument.getCommand(), commandArgument.getType(),
274                            commandArgument.getCurrentFolder(), getPath(commandArgument));
275    
276                    getFoldersAndFiles(commandArgument, document, rootNode);
277    
278                    _writeDocument(document, response);
279            }
280    
281            protected abstract String createFolder(CommandArgument commandArgument);
282    
283            protected abstract String fileUpload(
284                    CommandArgument commandArgument, String fileName,
285                    InputStream inputStream, String contentType, long size);
286    
287            protected abstract void getFolders(
288                    CommandArgument commandArgument, Document document, Node rootNode);
289    
290            protected abstract void getFoldersAndFiles(
291                    CommandArgument commandArgument, Document document, Node rootNode);
292    
293            protected String getPath(CommandArgument commandArgument) {
294                    return StringPool.BLANK;
295            }
296    
297            protected void getRootFolders(
298                            CommandArgument commandArgument, Document document,
299                            Element foldersElement)
300                    throws Exception {
301    
302                    List<Group> groups = new UniqueList<Group>();
303    
304                    LinkedHashMap<String, Object> groupParams =
305                            new LinkedHashMap<String, Object>();
306    
307                    groupParams.put("usersGroups", new Long(commandArgument.getUserId()));
308    
309                    groups.addAll(
310                            GroupLocalServiceUtil.search(
311                                    commandArgument.getCompanyId(), null, null, groupParams,
312                                    QueryUtil.ALL_POS, QueryUtil.ALL_POS));
313    
314                    List<Organization> userOrgs =
315                            OrganizationLocalServiceUtil.getUserOrganizations(
316                                    commandArgument.getUserId());
317    
318                    for (Organization organization : userOrgs) {
319                            groups.add(0, organization.getGroup());
320                    }
321    
322                    if (PropsValues.LAYOUT_USER_PRIVATE_LAYOUTS_ENABLED ||
323                            PropsValues.LAYOUT_USER_PUBLIC_LAYOUTS_ENABLED) {
324    
325                            Group userGroup = GroupLocalServiceUtil.getUserGroup(
326                                    commandArgument.getCompanyId(), commandArgument.getUserId());
327    
328                            groups.add(0, userGroup);
329                    }
330    
331                    Group companyGroup = GroupLocalServiceUtil.getCompanyGroup(
332                            commandArgument.getCompanyId());
333    
334                    groups.add(0, companyGroup);
335    
336                    ThemeDisplay themeDisplay = commandArgument.getThemeDisplay();
337    
338                    long scopeGroupId = themeDisplay.getScopeGroupId();
339    
340                    HttpServletRequest request = commandArgument.getHttpServletRequest();
341    
342                    String portletId = ParamUtil.getString(request, "p_p_id");
343    
344                    for (Group group : groups) {
345                            Element folderElement = document.createElement("Folder");
346    
347                            foldersElement.appendChild(folderElement);
348    
349                            boolean setNameAttribute = false;
350    
351                            if (group.hasStagingGroup()) {
352                                    Group stagingGroup = group.getStagingGroup();
353    
354                                    if ((stagingGroup.getGroupId() == scopeGroupId) &&
355                                            group.isStagedPortlet(portletId) &&
356                                            !group.isStagedRemotely() && isStagedData(group)) {
357    
358                                            folderElement.setAttribute(
359                                                    "name",
360                                                    stagingGroup.getGroupId() + " - " +
361                                                            HtmlUtil.escape(stagingGroup.getDescriptiveName()));
362    
363                                            setNameAttribute = true;
364                                    }
365                            }
366    
367                            if (!setNameAttribute) {
368                                    folderElement.setAttribute(
369                                            "name",
370                                            group.getGroupId() + " - " +
371                                                    HtmlUtil.escape(group.getDescriptiveName()));
372                            }
373                    }
374            }
375    
376            protected String getSize() {
377                    return getSize(0);
378            }
379    
380            protected String getSize(long size) {
381                    return String.valueOf(Math.ceil(size / 1000));
382            }
383    
384            protected boolean isStagedData(Group group) {
385                    return true;
386            }
387    
388            private Document _createDocument() {
389                    try {
390                            DocumentBuilderFactory documentBuilderFactory =
391                                    DocumentBuilderFactory.newInstance();
392    
393                            DocumentBuilder documentBuilder =
394                                    documentBuilderFactory.newDocumentBuilder();
395    
396                            return documentBuilder.newDocument();
397                    }
398                    catch (ParserConfigurationException pce) {
399                            throw new FCKException(pce);
400                    }
401            }
402    
403            private Node _createRoot(
404                    Document document, String command, String resourceType, String path,
405                    String url) {
406    
407                    Element rootElement = document.createElement("Connector");
408    
409                    document.appendChild(rootElement);
410    
411                    rootElement.setAttribute("command", command);
412                    rootElement.setAttribute("resourceType", resourceType);
413    
414                    Element currentFolderElement = document.createElement("CurrentFolder");
415    
416                    rootElement.appendChild(currentFolderElement);
417    
418                    currentFolderElement.setAttribute("path", path);
419                    currentFolderElement.setAttribute("url", url);
420    
421                    return rootElement;
422            }
423    
424            private void _writeDocument(
425                    Document document, HttpServletResponse response) {
426    
427                    try {
428                            Element documentElement = document.getDocumentElement();
429    
430                            documentElement.normalize();
431    
432                            TransformerFactory transformerFactory =
433                                    TransformerFactory.newInstance();
434    
435                            Transformer transformer = transformerFactory.newTransformer();
436    
437                            DOMSource domSource = new DOMSource(document);
438    
439                            if (_log.isDebugEnabled()) {
440                                    StreamResult streamResult = new StreamResult(System.out);
441    
442                                    transformer.transform(domSource, streamResult);
443                            }
444    
445                            response.setContentType("text/xml; charset=UTF-8");
446                            response.setHeader("Cache-Control", "no-cache");
447    
448                            PrintWriter printWriter = response.getWriter();
449    
450                            StreamResult streamResult = new StreamResult(printWriter);
451    
452                            transformer.transform(domSource, streamResult);
453    
454                            printWriter.flush();
455                            printWriter.close();
456                    }
457                    catch (Exception e) {
458                            throw new FCKException(e);
459                    }
460            }
461    
462            private void _writeUploadResponse(
463                    String returnValue, HttpServletResponse response) {
464    
465                    try {
466                            StringBundler sb = new StringBundler(7);
467    
468                            String newName = StringPool.BLANK;
469    
470                            sb.append("<script type=\"text/javascript\">");
471                            sb.append("window.parent.frames['frmUpload'].OnUploadCompleted(");
472                            sb.append(returnValue);
473                            sb.append(",'");
474                            sb.append(newName);
475                            sb.append("');");
476                            sb.append("</script>");
477    
478                            response.setContentType("text/html; charset=UTF-8");
479                            response.setHeader("Cache-Control", "no-cache");
480    
481                            PrintWriter printWriter = null;
482    
483                            printWriter = response.getWriter();
484    
485                            printWriter.print(sb.toString());
486    
487                            printWriter.flush();
488                            printWriter.close();
489                    }
490                    catch (Exception e) {
491                            throw new FCKException(e);
492                    }
493            }
494    
495            private static Log _log = LogFactoryUtil.getLog(BaseCommandReceiver.class);
496    
497    }