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.
30 package mircoders.localizer.basic;
32 import mir.config.MirPropertiesConfiguration;
33 import mir.log.LoggerWrapper;
34 import mir.session.Request;
35 import mir.session.Session;
36 import mir.session.SessionHandler;
37 import mircoders.abuse.*;
38 import mircoders.entity.EntityComment;
39 import mircoders.entity.EntityContent;
40 import mircoders.global.MirGlobal;
41 import mircoders.global.ProducerEngine;
42 import mircoders.localizer.MirLocalizerExc;
43 import mircoders.localizer.MirLocalizerFailure;
44 import mircoders.localizer.MirOpenPostingLocalizer;
47 import java.awt.image.BufferedImage;
49 import com.octo.captcha.service.image.DefaultManageableImageCaptchaService;
50 import com.octo.captcha.service.image.ImageCaptchaService;
52 public class MirBasicOpenPostingLocalizer implements MirOpenPostingLocalizer {
53 private List afterContentProducerTasks;
54 private List afterCommentProducerTasks;
55 private List filterTypes;
56 private Map filterTypesMap;
57 protected LoggerWrapper logger;
58 protected MirPropertiesConfiguration configuration;
59 private static ImageCaptchaService captchaService = new DefaultManageableImageCaptchaService();
61 public MirBasicOpenPostingLocalizer() throws MirLocalizerFailure {
62 logger = new LoggerWrapper("Localizer.Basic.OpenPosting");
65 configuration = MirPropertiesConfiguration.instance();
68 throw new MirLocalizerFailure("Can't get configuration: " + e.getMessage(), e);
72 String contentProducers = MirGlobal.config().getString("Mir.Localizer.OpenPosting.ContentProducers");
73 String commentProducers = MirGlobal.config().getString("Mir.Localizer.OpenPosting.CommentProducers");
75 afterContentProducerTasks = ProducerEngine.ProducerTask.parseProducerTaskList(contentProducers);
76 afterCommentProducerTasks = ProducerEngine.ProducerTask.parseProducerTaskList(commentProducers);
79 logger.error("Setting up MirBasicOpenPostingLocalizer failed: " + t.getMessage());
81 throw new MirLocalizerFailure(t);
84 filterTypes = new ArrayList();
85 filterTypesMap = new HashMap();
87 addSimpleAntiAbuseFilterType(new RegularExpressionFilterType("regexp"));
88 addSimpleAntiAbuseFilterType(new SubStringFilterType("useragent", false, false,
89 SubStringFilterType.REQUEST_HEADERS, new String[] {"User-Agent"}));
90 addSimpleAntiAbuseFilterType(new IPFilterType("ip"));
91 addSimpleAntiAbuseFilterType(new RegularExpressionFilterType("hostname", false, false,
92 RegularExpressionFilterType.REQUEST_HEADERS, new String[] {"hostname"}));
93 addSimpleAntiAbuseFilterType(new ThrottleFilter("throttle"));
94 addSimpleAntiAbuseFilterType(new PostingSizeFilterType("size"));
95 addSimpleAntiAbuseFilterType(new URLBlacklistFilterType("urlblacklist",
96 Arrays.asList(MirGlobal.config().getStringArray("Mir.URLBlacklistFilter.WhiteList"))));
99 public SessionHandler getOpenSessionHandler(String aSessionType) throws MirLocalizerExc, MirLocalizerFailure {
100 if ("email".equals(aSessionType))
101 return new MirBasicEmailArticleHandler();
103 if ("comment".equals(aSessionType))
104 return new MirBasicCommentPostingHandler(configuration.getBoolean("Localizer.OpenSession.PersistentUploadedFiles"));
106 if ("translation".equals(aSessionType))
107 return new MirBasicTranslationPostingHandler();
109 return new MirBasicArticlePostingHandler(configuration.getBoolean("Localizer.OpenSession.PersistentUploadedFiles"));
112 public SessionHandler getOpenSessionHandler(Request aRequest, Session aSession) throws MirLocalizerExc, MirLocalizerFailure {
113 if (aSession.getAttribute("handler")==null)
115 aSession.setAttribute("handler", getOpenSessionHandler(aRequest.getParameter("sessiontype")));
118 return (SessionHandler) aSession.getAttribute("handler");
121 public void afterContentPosting() {
122 Iterator i = afterContentProducerTasks.iterator();
124 while (i.hasNext()) {
125 ProducerEngine.ProducerTask task = (ProducerEngine.ProducerTask) i.next();
128 MirGlobal.getProducerEngine().addTask(task);
130 catch (Throwable t) {
131 logger.error("Error adding content task "+task.getProducer()+"::"+task.getVerb()+": " + t.toString());
136 public void afterArticlePosting() {
137 afterContentPosting();
140 public void afterArticlePosting(EntityContent anArticle) {
141 afterContentPosting(anArticle);
144 public void afterContentPosting(EntityContent anArticle) {
145 afterArticlePosting();
148 public void afterCommentPosting(EntityComment aComment) {
149 afterCommentPosting();
152 public void afterCommentPosting() {
153 Iterator i = afterCommentProducerTasks.iterator();
155 while (i.hasNext()) {
156 ProducerEngine.ProducerTask task = (ProducerEngine.ProducerTask) i.next();
159 MirGlobal.getProducerEngine().addTask(task);
161 catch (Throwable t) {
162 logger.error("Error adding comment task "+task.getProducer()+"::"+task.getVerb()+": " + t.toString());
167 public List getAntiAbuseFilterTypes() {
168 return Collections.unmodifiableList(filterTypes);
171 public boolean allowArticlePublication(EntityContent anArticle){
172 return anArticle != null && "1".equals(anArticle.getFieldValue("is_published"));
175 public void removeSimpleAntiAbuseFilterType(String aName) {
176 filterTypes.remove(filterTypesMap.get(aName));
177 filterTypesMap.remove(aName);
180 public void addSimpleAntiAbuseFilterType(FilterType aFilterType) {
181 removeSimpleAntiAbuseFilterType(aFilterType.getName());
182 filterTypesMap.put(aFilterType.getName(), aFilterType);
183 filterTypes.add(aFilterType);
186 public Captcha generateCaptcha(final String aSessionId) {
187 final BufferedImage challenge = captchaService.getImageChallengeForID(aSessionId);
189 return new Captcha() {
191 public BufferedImage getChallenge() {
195 public boolean validateAnswer(String anAnswer) {
196 return captchaService.validateResponseForID(aSessionId, anAnswer).booleanValue();