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.StringReader;
40 import java.io.StringWriter;
41 import java.util.HashMap;
42 import java.util.List;
43 import java.util.Locale;
45 import java.util.Vector;
47 import javax.servlet.http.HttpServletRequest;
48 import javax.servlet.http.HttpServletResponse;
50 import mir.log.LoggerWrapper;
51 import mir.servlet.ServletModule;
52 import mir.servlet.ServletModuleExc;
53 import mir.servlet.ServletModuleFailure;
54 import mir.util.FileFunctions;
55 import mir.util.HTTPRequestParser;
56 import mir.util.StringRoutines;
57 import mir.util.URLBuilder;
60 * ServletModuleFileEdit -
61 * Allows one to do a basic edit of a file in a directory specified
64 * @author $Author: zapata $
65 * @version $Revision: 1.13.2.6 $ $Date: 2003/12/21 17:50:32 $
69 public class ServletModuleFileEdit extends ServletModule
71 private static ServletModuleFileEdit instance = new ServletModuleFileEdit();
72 public static ServletModule getInstance() { return instance; }
74 private Map directories;
75 private List directoryNames;
77 private FilenameFilter dirFilter;
79 private class FileEditDirectory {
81 private FileFunctions.RegExpFileFilter filter;
82 private File rootDirectory;
83 private boolean recursive;
85 public FileEditDirectory(String aName, String aRootDirectory, String aFilter, boolean aRecursive) {
87 rootDirectory = new File(aRootDirectory);
88 filter = new FileFunctions.RegExpFileFilter(aFilter);
89 recursive = aRecursive;
92 public String getName() {
96 public FileFunctions.RegExpFileFilter getFilter() {
100 public File getRootDirectory() {
101 return rootDirectory;
104 public boolean getRecursive() {
109 private ServletModuleFileEdit() {
112 logger = new LoggerWrapper("ServletModule.FileEdit");
114 directories = new HashMap();
115 directoryNames = new Vector();
117 String settings[] = configuration.getStringArray("ServletModule.FileEdit.Configuration");
119 if (settings!=null) {
120 for (int i = 0; i < settings.length; i++) {
121 String setting = settings[i].trim();
123 if (setting.length() > 0) {
124 List parts = StringRoutines.splitString(setting, ":");
125 if (parts.size() != 4) {
126 logger.error("config error: " + settings[i] + ", 4 parts expected");
129 String name = (String) parts.get(0);
130 String directory = (String) parts.get(1);
131 String filter = (String) parts.get(2);
132 String recursive = (String) parts.get(3);
134 directories.put(name, new FileEditDirectory(name, directory, filter,
135 recursive.equals("1") || recursive.toLowerCase().equals("y")));
136 directoryNames.add(name);
142 dirFilter = new FileFunctions.DirectoryFilter();
145 public List getEntries() {
146 return directoryNames;
149 public FileEditDirectory getDirectory(HttpServletRequest aRequest) throws ServletModuleExc {
150 FileEditDirectory result = (FileEditDirectory) directories.get(aRequest.getParameter("entry"));
152 throw new ServletModuleExc("Unknown entry: " + aRequest.getParameter("entry"));
157 public void list(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
159 listSubDirectory(getDirectory(aRequest), "/", aRequest, aResponse);
162 public void edit(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
165 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
167 String filename = requestParser.getParameter("filename");
168 String subDirectory = requestParser.getParameterWithDefault("subdirectory", "");
170 if (filename == null)
171 throw new ServletModuleExc("No filename specified");
173 editFile(getDirectory(aRequest), filename, subDirectory, aRequest, aResponse);
175 catch (Throwable e) {
176 throw new ServletModuleFailure(e);
180 public void enter(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
183 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
185 String directoryName = requestParser.getParameter("directory");
186 String subDirectoryName = requestParser.getParameter("subdirectory");
188 if (directoryName==null | subDirectoryName==null)
189 throw new ServletModuleExc("No directory/subDirectory specified");
191 listSubDirectory(getDirectory(aRequest), subDirectoryName+File.separator+directoryName, aRequest, aResponse);
193 catch (Throwable e) {
194 throw new ServletModuleFailure(e);
198 public void update(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
200 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
201 String filename = requestParser.getParameter("filename");
202 String subDirectory = requestParser.getParameter("subdirectory");
203 String text = requestParser.getParameter("text");
204 FileEditDirectory directory = getDirectory(aRequest);
207 File f = new File(new File(directory.getRootDirectory(), subDirectory), filename);
209 if (validateDirectory(directory, f)) {
210 StringReader in = new StringReader(text);
211 FileWriter out = new FileWriter(f);
214 while ( (c = in.read()) != -1)
219 logAdminUsage(aRequest, f.getAbsolutePath(), "object modified");
222 editFile(directory, filename, subDirectory, aRequest, aResponse);
225 catch (Throwable e) {
226 throw new ServletModuleFailure(e);
230 public void listSubDirectory(FileEditDirectory aDirectory, String aSubDirectory, HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
233 Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, new Locale[] { getLocale(aRequest), getFallbackLocale(aRequest)});
234 File dir = new File(aDirectory.getRootDirectory(), aSubDirectory);
236 if (!validateDirectory(aDirectory, dir) || !dir.isDirectory()) {
237 dir = aDirectory.getRootDirectory();
241 responseData.put("filelist", FileFunctions.getDirectoryContentsAsList(dir, aDirectory.getFilter()));
243 if (aDirectory.getRecursive()) {
244 List dirs = new Vector();
245 if (!dir.getCanonicalPath().equals(aDirectory.getRootDirectory().getCanonicalPath()))
246 responseData.put("updir", new File(aSubDirectory).getParent());
248 dirs.addAll(FileFunctions.getDirectoryContentsAsList(dir, dirFilter));
250 responseData.put("dirlist", dirs);
253 responseData.put("dirlist", null);
254 responseData.put("updir", null);
257 responseData.put("subdirectory", aSubDirectory);
258 responseData.put("entry", aDirectory.getName());
260 ServletHelper.generateResponse(aResponse.getWriter(), responseData, listGenerator);
262 catch (Throwable e) {
263 throw new ServletModuleFailure(e);
267 public void editFile(FileEditDirectory aDirectory, String aFileName, String aSubDirectory, HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
270 File f = new File(new File(aDirectory.getRootDirectory(), aSubDirectory), aFileName);
272 if (!validateDirectory(aDirectory, f) || f.isDirectory() || !validateFile(aDirectory, f)) {
273 listSubDirectory(aDirectory, "", aRequest, aResponse);
276 Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, new Locale[] { getLocale(aRequest), getFallbackLocale(aRequest)});
277 URLBuilder urlBuilder = new URLBuilder();
279 urlBuilder.setValue("module", "FileEdit");
280 urlBuilder.setValue("do", "enter");
281 urlBuilder.setValue("entry", aDirectory.getName());
282 urlBuilder.setValue("directory", "");
283 urlBuilder.setValue("subdirectory", aSubDirectory);
285 BufferedReader in = new BufferedReader(new FileReader(f));
286 StringWriter textout = new StringWriter();
287 BufferedWriter out = new BufferedWriter(textout);
290 char[] c = new char[4096];
292 while ( (read=in.read(c)) != -1)
293 out.write(c, 0, read);
297 responseData.put("entry", aDirectory.getName());
298 responseData.put("text", textout.toString());
299 responseData.put("filename", aFileName);
300 responseData.put("subdirectory", aSubDirectory);
301 responseData.put("returnurl", urlBuilder.getQuery());
303 ServletHelper.generateResponse(aResponse.getWriter(), responseData, editGenerator);
306 catch (Throwable e) {
307 throw new ServletModuleFailure(e);
311 protected boolean validateDirectory(FileEditDirectory aDirectory, File aFile) {
313 return (aFile.getCanonicalPath().startsWith(aDirectory.getRootDirectory().getCanonicalPath()));
315 catch (Throwable t) {
320 protected boolean validateFile(FileEditDirectory aDirectory, File aFile) {
322 return aDirectory.getFilter().accept(aFile.getParentFile(), aFile.getName());
324 catch (Throwable t) {