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;
34 import java.io.FileReader;
35 import java.io.FileWriter;
36 import java.io.FilenameFilter;
37 import java.io.StringReader;
38 import java.io.StringWriter;
39 import java.util.HashMap;
40 import java.util.List;
41 import java.util.Locale;
43 import java.util.Vector;
44 import javax.servlet.http.HttpServletRequest;
45 import javax.servlet.http.HttpServletResponse;
47 import mir.log.LoggerWrapper;
48 import mir.servlet.ServletModule;
49 import mir.servlet.ServletModuleExc;
50 import mir.servlet.ServletModuleFailure;
51 import mir.util.FileFunctions;
52 import mir.util.HTTPRequestParser;
53 import mir.util.StringRoutines;
54 import mir.util.URLBuilder;
57 * ServletModuleFileEdit -
58 * Allows one to do a basic edit of a file in a directory specified
61 * @author $Author: zapata $
62 * @version $Revision: 1.12 $ $Date: 2003/04/28 01:57:14 $
66 public class ServletModuleFileEdit extends ServletModule
68 private static ServletModuleFileEdit instance = new ServletModuleFileEdit();
69 public static ServletModule getInstance() { return instance; }
71 private Map directories;
72 private List directoryNames;
74 private FilenameFilter dirFilter;
76 private class FileEditDirectory {
78 private FileFunctions.RegExpFileFilter filter;
79 private File rootDirectory;
80 private boolean recursive;
82 public FileEditDirectory(String aName, String aRootDirectory, String aFilter, boolean aRecursive) {
84 rootDirectory = new File(aRootDirectory);
85 filter = new FileFunctions.RegExpFileFilter(aFilter);
86 recursive = aRecursive;
89 public String getName() {
93 public FileFunctions.RegExpFileFilter getFilter() {
97 public File getRootDirectory() {
101 public boolean getRecursive() {
106 private ServletModuleFileEdit() {
109 logger = new LoggerWrapper("ServletModule.FileEdit");
111 directories = new HashMap();
112 directoryNames = new Vector();
114 String settings[] = configuration.getStringArray("ServletModule.FileEdit.Configuration");
116 if (settings!=null) {
117 for (int i = 0; i < settings.length; i++) {
118 String setting = settings[i].trim();
120 if (setting.length() > 0) {
121 List parts = StringRoutines.splitString(setting, ":");
122 if (parts.size() != 4) {
123 logger.error("config error: " + settings[i] + ", 4 parts expected");
126 String name = (String) parts.get(0);
127 String directory = (String) parts.get(1);
128 String filter = (String) parts.get(2);
129 String recursive = (String) parts.get(3);
131 directories.put(name, new FileEditDirectory(name, directory, filter,
132 recursive.equals("1") || recursive.toLowerCase().equals("y")));
133 directoryNames.add(name);
139 dirFilter = new FileFunctions.DirectoryFilter();
141 templateListString =configuration.getString("ServletModule.FileEdit.ListTemplate");
142 templateObjektString =configuration.getString("ServletModule.FileEdit.ObjektTemplate");
143 templateConfirmString =configuration.getString("ServletModule.FileEdit.ConfirmTemplate");
146 public List getEntries() {
147 return directoryNames;
150 public FileEditDirectory getDirectory(HttpServletRequest aRequest) throws ServletModuleExc {
151 FileEditDirectory result = (FileEditDirectory) directories.get(aRequest.getParameter("entry"));
153 throw new ServletModuleExc("Unknown entry: " + aRequest.getParameter("entry"));
158 public void list(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
160 listSubDirectory(getDirectory(aRequest), "/", aRequest, aResponse);
163 public void edit(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
166 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
168 String filename = requestParser.getParameter("filename");
169 String subDirectory = requestParser.getParameterWithDefault("subdirectory", "");
171 if (filename == null)
172 throw new ServletModuleExc("No filename specified");
174 editFile(getDirectory(aRequest), filename, subDirectory, aRequest, aResponse);
176 catch (Throwable e) {
177 throw new ServletModuleFailure(e);
181 public void enter(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
184 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
186 String directoryName = requestParser.getParameter("directory");
187 String subDirectoryName = requestParser.getParameter("subdirectory");
189 if (directoryName==null | subDirectoryName==null)
190 throw new ServletModuleExc("No directory/subDirectory specified");
192 listSubDirectory(getDirectory(aRequest), subDirectoryName+File.separator+directoryName, aRequest, aResponse);
194 catch (Throwable e) {
195 throw new ServletModuleFailure(e);
199 public void update(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
201 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
202 String filename = requestParser.getParameter("filename");
203 String subDirectory = requestParser.getParameter("subdirectory");
204 String text = requestParser.getParameter("text");
205 FileEditDirectory directory = getDirectory(aRequest);
208 File f = new File(new File(directory.getRootDirectory(), subDirectory), filename);
210 if (validateDirectory(directory, f)) {
211 StringReader in = new StringReader(text);
212 FileWriter out = new FileWriter(f);
215 while ( (c = in.read()) != -1)
220 editFile(directory, filename, subDirectory, aRequest, aResponse);
223 catch (Throwable e) {
224 throw new ServletModuleFailure(e);
228 public void listSubDirectory(FileEditDirectory aDirectory, String aSubDirectory, HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
231 Map responseData = ServletHelper.makeGenerationData(new Locale[] { getLocale(aRequest), getFallbackLocale(aRequest)});
232 File dir = new File(aDirectory.getRootDirectory(), aSubDirectory);
234 if (!validateDirectory(aDirectory, dir) || !dir.isDirectory()) {
235 dir = aDirectory.getRootDirectory();
239 responseData.put("filelist", FileFunctions.getDirectoryContentsAsList(dir, aDirectory.getFilter()));
241 if (aDirectory.getRecursive()) {
242 List dirs = new Vector();
243 if (!dir.getCanonicalPath().equals(aDirectory.getRootDirectory().getCanonicalPath()))
244 responseData.put("updir", new File(aSubDirectory).getParent());
246 dirs.addAll(FileFunctions.getDirectoryContentsAsList(dir, dirFilter));
248 responseData.put("dirlist", dirs);
251 responseData.put("dirlist", null);
252 responseData.put("updir", null);
255 responseData.put("subdirectory", aSubDirectory);
256 responseData.put("entry", aDirectory.getName());
258 ServletHelper.generateResponse(aResponse.getWriter(), responseData, templateListString);
260 catch (Throwable e) {
261 throw new ServletModuleFailure(e);
265 public void editFile(FileEditDirectory aDirectory, String aFileName, String aSubDirectory, HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
268 File f = new File(new File(aDirectory.getRootDirectory(), aSubDirectory), aFileName);
270 if (!validateDirectory(aDirectory, f) || f.isDirectory() || !validateFile(aDirectory, f)) {
271 listSubDirectory(aDirectory, "", aRequest, aResponse);
274 Map responseData = ServletHelper.makeGenerationData(new Locale[] { getLocale(aRequest), getFallbackLocale(aRequest)});
275 URLBuilder urlBuilder = new URLBuilder();
277 urlBuilder.setValue("module", "FileEdit");
278 urlBuilder.setValue("do", "enter");
279 urlBuilder.setValue("entry", aDirectory.getName());
280 urlBuilder.setValue("directory", "");
281 urlBuilder.setValue("subdirectory", aSubDirectory);
283 FileReader in = new FileReader(f);
284 StringWriter out = new StringWriter();
287 while ( (c = in.read()) != -1)
292 responseData.put("entry", aDirectory.getName());
293 responseData.put("text", out.toString());
294 responseData.put("filename", aFileName);
295 responseData.put("subdirectory", aSubDirectory);
296 responseData.put("returnurl", urlBuilder.getQuery());
298 ServletHelper.generateResponse(aResponse.getWriter(), responseData, templateObjektString);
301 catch (Throwable e) {
302 throw new ServletModuleFailure(e);
306 protected boolean validateDirectory(FileEditDirectory aDirectory, File aFile) {
308 return (aFile.getCanonicalPath().startsWith(aDirectory.getRootDirectory().getCanonicalPath()));
310 catch (Throwable t) {
315 protected boolean validateFile(FileEditDirectory aDirectory, File aFile) {
317 return aDirectory.getFilter().accept(aFile.getParentFile(), aFile.getName());
319 catch (Throwable t) {