2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
31 package mircoders.servlet;
33 import java.io.BufferedReader;
34 import java.io.BufferedWriter;
36 import java.io.FileReader;
37 import java.io.FileWriter;
38 import java.io.FilenameFilter;
39 import java.io.StringWriter;
41 import javax.servlet.http.HttpServletRequest;
42 import javax.servlet.http.HttpServletResponse;
44 import mir.log.LoggerWrapper;
45 import mir.servlet.ServletModule;
46 import mir.servlet.ServletModuleExc;
47 import mir.servlet.ServletModuleFailure;
48 import mir.util.FileFunctions;
49 import mir.util.HTTPRequestParser;
50 import mir.util.StringRoutines;
51 import mir.util.URLBuilder;
54 * ServletModuleFileEdit -
55 * Allows one to do a basic edit of a file in a directory specified
58 * @author $Author: zapata $
59 * @version $Revision: 1.13.2.8 $ $Date: 2005/01/09 20:37:13 $
63 public class ServletModuleFileEdit extends ServletModule
65 private static ServletModuleFileEdit instance = new ServletModuleFileEdit();
66 public static ServletModule getInstance() { return instance; }
68 private Map directories;
69 private List directoryNames;
71 private FilenameFilter dirFilter;
73 private class FileEditDirectory {
75 private FileFunctions.RegExpFileFilter filter;
76 private File rootDirectory;
77 private boolean recursive;
79 public FileEditDirectory(String aName, String aRootDirectory, String aFilter, boolean aRecursive) {
81 rootDirectory = new File(aRootDirectory);
82 filter = new FileFunctions.RegExpFileFilter(aFilter);
83 recursive = aRecursive;
86 public String getName() {
90 public FileFunctions.RegExpFileFilter getFilter() {
94 public File getRootDirectory() {
98 public boolean getRecursive() {
103 private ServletModuleFileEdit() {
106 logger = new LoggerWrapper("ServletModule.FileEdit");
108 directories = new HashMap();
109 directoryNames = new ArrayList();
111 String settings[] = configuration.getStringArray("ServletModule.FileEdit.Configuration");
113 if (settings!=null) {
114 for (int i = 0; i < settings.length; i++) {
115 String setting = settings[i].trim();
117 if (setting.length() > 0) {
118 List parts = StringRoutines.splitStringWithEscape(setting, ':', '\\');
119 if (parts.size() != 4) {
120 logger.error("config error: " + settings[i] + ", 4 parts expected");
123 String name = (String) parts.get(0);
124 String directory = (String) parts.get(1);
125 String filter = (String) parts.get(2);
126 String recursive = (String) parts.get(3);
128 directories.put(name, new FileEditDirectory(name, directory, filter,
129 recursive.equals("1") || recursive.toLowerCase().equals("y")));
130 directoryNames.add(name);
136 dirFilter = new FileFunctions.DirectoryFilter();
139 public List getEntries() {
140 return directoryNames;
143 public FileEditDirectory getDirectory(HttpServletRequest aRequest) throws ServletModuleExc {
144 FileEditDirectory result = (FileEditDirectory) directories.get(aRequest.getParameter("entry"));
146 throw new ServletModuleExc("Unknown entry: " + aRequest.getParameter("entry"));
151 public void list(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
153 listSubDirectory(getDirectory(aRequest), "/", aRequest, aResponse);
156 public void edit(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
159 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
161 String filename = requestParser.getParameter("filename");
162 String subDirectory = requestParser.getParameterWithDefault("subdirectory", "");
164 if (filename == null)
165 throw new ServletModuleExc("No filename specified");
167 editFile(getDirectory(aRequest), filename, subDirectory, aRequest, aResponse);
169 catch (Throwable e) {
170 throw new ServletModuleFailure(e);
174 public void enter(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
177 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
179 String directoryName = requestParser.getParameter("directory");
180 String subDirectoryName = requestParser.getParameter("subdirectory");
182 if (directoryName==null | subDirectoryName==null)
183 throw new ServletModuleExc("No directory/subDirectory specified");
185 listSubDirectory(getDirectory(aRequest), subDirectoryName+File.separator+directoryName, aRequest, aResponse);
187 catch (Throwable e) {
188 throw new ServletModuleFailure(e);
193 * Called when an edited file is saved by the user
195 public void update(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
197 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
198 String filename = requestParser.getParameter("filename");
199 String subDirectory = requestParser.getParameter("subdirectory");
201 StringRoutines.performRegularExpressionReplacement(
202 requestParser.getParameter("text"),
204 System.getProperty("line.separator"));
205 FileEditDirectory directory = getDirectory(aRequest);
208 File f = new File(new File(directory.getRootDirectory(), subDirectory), filename);
210 if (validateDirectory(directory, f)) {
211 FileWriter out = new FileWriter(f);
213 out.write(text.toCharArray());
219 logAdminUsage(aRequest, f.getAbsolutePath(), "object modified");
221 MirGlobal.getChangeEngine().getTracker().addChange(f.getCanonicalPath());
223 editFile(directory, filename, subDirectory, aRequest, aResponse);
226 catch (Throwable e) {
227 throw new ServletModuleFailure(e);
231 public void listSubDirectory(FileEditDirectory aDirectory, String aSubDirectory, HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
234 Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, new Locale[] { getLocale(aRequest), getFallbackLocale(aRequest)});
235 File dir = new File(aDirectory.getRootDirectory(), aSubDirectory);
237 if (!validateDirectory(aDirectory, dir) || !dir.isDirectory()) {
238 dir = aDirectory.getRootDirectory();
242 responseData.put("filelist", FileFunctions.getDirectoryContentsAsList(dir, aDirectory.getFilter()));
244 if (aDirectory.getRecursive()) {
245 List dirs = new ArrayList();
246 if (!dir.getCanonicalPath().equals(aDirectory.getRootDirectory().getCanonicalPath()))
247 responseData.put("updir", new File(aSubDirectory).getParent());
249 dirs.addAll(FileFunctions.getDirectoryContentsAsList(dir, dirFilter));
251 responseData.put("dirlist", dirs);
254 responseData.put("dirlist", null);
255 responseData.put("updir", null);
258 responseData.put("subdirectory", aSubDirectory);
259 responseData.put("entry", aDirectory.getName());
261 ServletHelper.generateResponse(aResponse.getWriter(), responseData, listGenerator);
263 catch (Throwable e) {
264 throw new ServletModuleFailure(e);
268 public void editFile(FileEditDirectory aDirectory, String aFileName, String aSubDirectory, HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
271 File f = new File(new File(aDirectory.getRootDirectory(), aSubDirectory), aFileName);
273 if (!validateDirectory(aDirectory, f) || f.isDirectory() || !validateFile(aDirectory, f)) {
274 listSubDirectory(aDirectory, "", aRequest, aResponse);
277 Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, new Locale[] { getLocale(aRequest), getFallbackLocale(aRequest)});
278 URLBuilder urlBuilder = new URLBuilder();
280 urlBuilder.setValue("module", "FileEdit");
281 urlBuilder.setValue("do", "enter");
282 urlBuilder.setValue("entry", aDirectory.getName());
283 urlBuilder.setValue("directory", "");
284 urlBuilder.setValue("subdirectory", aSubDirectory);
286 BufferedReader in = new BufferedReader(new FileReader(f));
287 StringWriter textout = new StringWriter();
288 BufferedWriter out = new BufferedWriter(textout);
291 char[] c = new char[4096];
293 while ( (read=in.read(c)) != -1)
294 out.write(c, 0, read);
298 responseData.put("entry", aDirectory.getName());
299 responseData.put("text", textout.toString());
300 responseData.put("filename", aFileName);
301 responseData.put("subdirectory", aSubDirectory);
302 responseData.put("returnurl", urlBuilder.getQuery());
304 ServletHelper.generateResponse(aResponse.getWriter(), responseData, editGenerator);
307 catch (Throwable e) {
308 throw new ServletModuleFailure(e);
312 protected boolean validateDirectory(FileEditDirectory aDirectory, File aFile) {
314 return (aFile.getCanonicalPath().startsWith(aDirectory.getRootDirectory().getCanonicalPath()));
316 catch (Throwable t) {
321 protected boolean validateFile(FileEditDirectory aDirectory, File aFile) {
323 return aDirectory.getFilter().accept(aFile.getParentFile(), aFile.getName());
325 catch (Throwable t) {