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1
43 package net.jforum.view.forum.common;
44
45 import java.util.ArrayList  ;
46 import java.util.Collection ;
47 import java.util.Date ;
48 import java.util.Iterator ;
49 import java.util.List ;
50 import java.util.regex.Matcher ;
51 import java.util.regex.Pattern ;
52
53 import net.jforum.ActionServletRequest;
54 import net.jforum.JForumExecutionContext;
55 import net.jforum.SessionFacade;
56 import net.jforum.dao.PostDAO;
57 import net.jforum.entities.Post;
58 import net.jforum.entities.Smilie;
59 import net.jforum.repository.BBCodeRepository;
60 import net.jforum.repository.PostRepository;
61 import net.jforum.repository.SecurityRepository;
62 import net.jforum.repository.SmiliesRepository;
63 import net.jforum.security.SecurityConstants;
64 import net.jforum.util.SafeHtml;
65 import net.jforum.util.bbcode.BBCode;
66 import net.jforum.util.preferences.ConfigKeys;
67 import net.jforum.util.preferences.SystemGlobals;
68
69
73 public class PostCommon
74 {
75 private static PostCommon instance = new PostCommon();
76
77
84 public static PostCommon getInstance()
85 {
86 return instance;
87 }
88
89 public static Post preparePostForDisplay(Post p)
90 {
91 if (p.getText() == null) {
92 return p;
93 }
94
95 if (!p.isHtmlEnabled()) {
96 p.setText(p.getText().replaceAll("<", "<").replaceAll(">", ">"));
97 }
98
99 p.setText(p.getText().replaceAll("\n", "<br/> "));
101
102 p.setText(alwaysProcess(p.getText(), BBCodeRepository.getBBCollection().getAlwaysProcessList()));
103
104 if (p.isBbCodeEnabled()) {
106 p.setText(PostCommon.processText(p.getText()));
107 }
108
109 if (p.isSmiliesEnabled()) {
111 p.setText(processSmilies(p.getText(), SmiliesRepository.getSmilies()));
112 }
113
114 p.setText(SafeHtml.avoidJavascript(p.getText()));
115
116 return p;
117 }
118
119 private static String alwaysProcess(String text, Collection bbList)
120 {
121 for (Iterator iter = bbList.iterator(); iter.hasNext(); ) {
122 BBCode bb = (BBCode)iter.next();
123 text = text.replaceAll(bb.getRegex(), bb.getReplace());
124 }
125
126 return text;
127 }
128
129 public static String processText(String text)
130 {
131 if (text == null) {
132 return null;
133 }
134
135 if (text.indexOf('[') > -1 && text.indexOf(']') > -1) {
136 Iterator tmpIter = BBCodeRepository.getBBCollection().getBbList().iterator();
137
138 while (tmpIter.hasNext()) {
139 BBCode bb = (BBCode) tmpIter.next();
140
141 if (bb.getTagName().equals("openQuote") || bb.getTagName().equals("openSimpleQuote")) {
143 Matcher matcher = Pattern.compile(bb.getRegex()).matcher(text);
144
145 while (matcher.find()) {
146 text = text.replaceFirst(bb.getRegex(), bb.getReplace());
147 }
148 }
149 else if (bb.getTagName().equals("closeQuote")) {
150 Matcher matcher = Pattern.compile(bb.getRegex()).matcher(text);
151
152 while (matcher.find()) {
153 text = text.replaceFirst(bb.getRegex(), bb.getReplace());
154 }
155 }
156 else if (bb.getTagName().equals("code")) {
157 Matcher matcher = Pattern.compile(bb.getRegex()).matcher(text);
158 StringBuffer sb = new StringBuffer (text);
159
160 while (matcher.find()) {
161 String contents = matcher.group(1);
162
163 contents = contents.replaceAll("<br/>", "\n");
166
167 contents = contents.replaceAll("\\[", "[").replaceAll("\\]", "]");
169
170 contents = contents.replaceAll("\\(", "(").replaceAll("\\)", ")");
172
173 contents = contents.replaceAll("<", "<").replaceAll(">", ">");
175
176 StringBuffer replace = new StringBuffer (bb.getReplace());
177 int index = replace.indexOf("$1");
178
179 if (index > -1) {
180 replace.replace(index, index + 2, contents);
181 }
182
183 index = sb.indexOf("[code]");
184 int lastIndex = sb.indexOf("[/code]") + "[/code]".length();
185
186 if (lastIndex > index) {
187 sb.replace(index, lastIndex, replace.toString());
188 text = sb.toString();
189 }
190 }
191 }
192 else {
193 text = text.replaceAll(bb.getRegex(), bb.getReplace());
194 }
195 }
196 }
197
198 return text;
199 }
200
201 public static String processSmilies(String text, List smilies)
202 {
203 if (text == null || text.equals("")) {
204 return text;
205 }
206
207 Iterator iter = smilies.iterator();
208 while (iter.hasNext()) {
209 Smilie s = (Smilie) iter.next();
210
211 int index = text.indexOf(s.getCode());
212 if (index > -1) {
213 text = text.replaceAll("\\Q" + s.getCode() + "\\E", s.getUrl());
214 }
215 }
216
217 return text;
218 }
219
220 public static Post fillPostFromRequest() throws Exception
221 {
222 Post p = new Post();
223 p.setTime(new Date ());
224
225 return fillPostFromRequest(p, false);
226 }
227
228 public static Post fillPostFromRequest(Post p, boolean isEdit) throws Exception
229 {
230 ActionServletRequest request = JForumExecutionContext.getRequest();
231
232 p.setSubject(SafeHtml.makeSafe(request.getParameter("subject")));
233 p.setBbCodeEnabled(request.getParameter("disable_bbcode") != null ? false : true);
234 p.setSmiliesEnabled(request.getParameter("disable_smilies") != null ? false : true);
235 p.setSignatureEnabled(request.getParameter("attach_sig") != null ? true : false);
236
237 if (!isEdit) {
238 p.setUserIp(request.getRemoteAddr());
239 p.setUserId(SessionFacade.getUserSession().getUserId());
240 }
241
242 boolean htmlEnabled = SecurityRepository.canAccess(SecurityConstants.PERM_HTML_DISABLED,
243 request.getParameter("forum_id"));
244 p.setHtmlEnabled(htmlEnabled && request.getParameter("disable_html") == null);
245
246 if (p.isHtmlEnabled()) {
247 p.setText(SafeHtml.makeSafe(request.getParameter("message")));
248 }
249 else {
250 p.setText(request.getParameter("message"));
251 }
252
253 return p;
254 }
255
256 public static List topicPosts(PostDAO dao, boolean canEdit, int userId, int topicId, int start, int count) throws Exception
257 {
258 List posts = null;
259 boolean needPrepare = true;
260
261 if (SystemGlobals.getBoolValue(ConfigKeys.POSTS_CACHE_ENABLED)) {
262 posts = PostRepository.selectAllByTopicByLimit(topicId, start, count);
263 needPrepare = false;
264 }
265 else {
266 posts = dao.selectAllByTopicByLimit(topicId, start, count);
267 }
268
269 List helperList = new ArrayList ();
270
271 int anonymousUser = SystemGlobals.getIntValue(ConfigKeys.ANONYMOUS_USER_ID);
272
273 for (Iterator iter = posts.iterator(); iter.hasNext(); ) {
274 Post p;
275
276 if (needPrepare) {
277 p = (Post)iter.next();
278 }
279 else {
280 p = new Post((Post)iter.next());
281 }
282
283 if (canEdit || (p.getUserId() != anonymousUser && p.getUserId() == userId)) {
284 p.setCanEdit(true);
285 }
286
287 helperList.add(needPrepare ? PostCommon.preparePostForDisplay(p) : p);
288 }
289
290 return helperList;
291 }
292 }
293 |
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