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327 lines
14 KiB
327 lines
14 KiB
// BlogComments.java
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// -----------------------
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// part of YACY
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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//
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// This File is contributed by Jan Sandbrink
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//
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//$LastChangedDate$
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//$LastChangedRevision$
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//$LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// You must compile this file with
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// javac -classpath .:../Classes Blacklist_p.java
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// if the shell's current path is HTROOT
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import java.io.File;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.Date;
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import java.util.Iterator;
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import net.yacy.cora.document.UTF8;
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import net.yacy.cora.protocol.Domains;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.data.BlogBoard;
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import net.yacy.data.BlogBoardComments;
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import net.yacy.data.MessageBoard;
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import net.yacy.data.UserDB;
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import net.yacy.data.BlogBoard.BlogEntry;
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import net.yacy.peers.Network;
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import net.yacy.search.Switchboard;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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import com.google.common.io.Files;
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public class BlogComments {
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private static final String DEFAULT_PAGE = "blog_default";
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public static String dateString(final Date date) {
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return Blog.dateString(date);
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}
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public static serverObjects respond(final RequestHeader header, serverObjects post, final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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boolean hasRights = sb.verifyAuthentication(header);
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prop.put("mode_admin", hasRights ? "1" : "0");
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if (post == null) {
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post = new serverObjects();
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post.put("page", "blog_default");
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}
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if (!hasRights) {
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final UserDB.Entry userentry = sb.userDB.proxyAuth(header.get(RequestHeader.AUTHORIZATION, "xxxxxx"));
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if (userentry != null && userentry.hasRight(UserDB.AccessRight.BLOG_RIGHT)) {
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hasRights = true;
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} else if (post.containsKey("login")) {
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//opens login window if login link is clicked
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prop.authenticationRequired();
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}
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}
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String pagename = post.get("page", DEFAULT_PAGE);
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final String ip = post.get(HeaderFramework.CONNECTION_PROP_CLIENTIP, Domains.LOCALHOST);
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String strAuthor = post.get("author", "anonymous");
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if ("anonymous".equals(strAuthor)) {
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strAuthor = sb.blogDB.guessAuthor(ip);
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if (strAuthor == null || strAuthor.isEmpty()) {
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if (sb.peers.mySeed() == null) {
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strAuthor = "anonymous";
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} else {
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strAuthor = sb.peers.mySeed().get("Name", "anonymous");
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}
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}
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}
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byte[] author;
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author = UTF8.getBytes(strAuthor);
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final BlogBoard.BlogEntry page = sb.blogDB.readBlogEntry(pagename); //maybe "if(page == null)"
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final boolean pageExists = sb.blogDB.contains(pagename);
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// comments not allowed
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prop.put("mode_allow", (page.getCommentMode() == 0) ? 0 : 1);
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if (post.containsKey("submit") && page.getCommentMode() != 0 && pageExists) {
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// store a new/edited blog-entry
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byte[] content;
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if (!"".equals(post.get("content", ""))) {
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if ("".equals(post.get("subject", ""))) {
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post.putHTML("subject", "no title");
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}
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content = UTF8.getBytes(post.get("content", ""));
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final Date date = null;
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//set name for new entry or date for old entry
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final String StrSubject = post.get("subject", "");
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byte[] subject;
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subject = UTF8.getBytes(StrSubject);
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final String commentID = String.valueOf(System.currentTimeMillis());
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final BlogEntry blogEntry = sb.blogDB.readBlogEntry(pagename);
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blogEntry.addComment(commentID);
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sb.blogDB.writeBlogEntry(blogEntry);
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sb.blogCommentDB.write(sb.blogCommentDB.newEntry(commentID, subject, author, ip, date, content));
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prop.putHTML("LOCATION","BlogComments.html?page=" + pagename);
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MessageBoard.entry msgEntry = sb.messageDB.newEntry(
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"blogComment",
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strAuthor,
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sb.peers.mySeed().hash,
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sb.peers.mySeed().getName(), sb.peers.mySeed().hash,
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"new blog comment: " + UTF8.String(blogEntry.getSubject()), content);
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sb.messageDB.write(msgEntry);
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messageForwardingViaEmail(sb, msgEntry);
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// finally write notification
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final File notifierSource = new File(sb.getAppPath(), sb.getConfig("htRootPath","htroot") + "/env/grafics/message.gif");
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final File notifierDest = new File(sb.getDataPath("htDocsPath", "DATA/HTDOCS"), "notifier.gif");
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try {
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Files.copy(notifierSource, notifierDest);
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} catch (final IOException e) {
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ConcurrentLog.severe("MESSAGE", "NEW MESSAGE ARRIVED! (error: " + e.getMessage() + ")");
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}
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}
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}
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if (hasRights && post.containsKey("delete") && post.containsKey("page") &&
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post.containsKey("comment") && page.removeComment(post.get("comment"))) {
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sb.blogCommentDB.delete(post.get("comment"));
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}
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if (hasRights && post.containsKey("allow") && post.containsKey("page") && post.containsKey("comment")) {
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final BlogBoardComments.CommentEntry entry = sb.blogCommentDB.read(post.get("comment"));
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entry.allow();
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sb.blogCommentDB.write(entry);
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}
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if (post.containsKey("preview") && page.getCommentMode() != 0) {
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//preview the page
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prop.put("mode", "1");//preview
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prop.putHTML("mode_pageid", pagename);
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prop.putHTML("mode_allow_pageid", pagename);
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prop.putHTML("mode_author", UTF8.String(author));
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prop.putHTML("mode_allow_author", UTF8.String(author));
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prop.putHTML("mode_subject", post.get("subject",""));
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prop.put("mode_date", dateString(new Date()));
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prop.putWiki(sb.peers.mySeed().getClusterAddress(), "mode_page", post.get("content", ""));
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prop.put("mode_page-code", post.get("content", ""));
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} else {
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// show blog-entry/entries
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prop.put("mode", "0"); //viewing
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if("blog_default".equals(pagename)) {
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prop.put("LOCATION","Blog.html");
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} else {
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//show 1 blog entry
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prop.put("mode_pageid", page.getKey());
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prop.putHTML("mode_allow_pageid", pagename);
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prop.putHTML("mode_subject", UTF8.String(page.getSubject()));
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prop.putHTML("mode_author", UTF8.String(page.getAuthor()));
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prop.putHTML("mode_allow_author", UTF8.String(author));
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prop.put("mode_comments", page.getCommentsSize());
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prop.put("mode_date", dateString(page.getDate()));
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prop.putWiki(sb.peers.mySeed().getClusterAddress(), "mode_page", page.getPage());
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if (hasRights) {
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prop.put("mode_admin", "1");
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prop.put("mode_admin_pageid", page.getKey());
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}
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final Iterator<String> i = page.getComments().iterator();
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final int commentMode = page.getCommentMode();
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String pageid;
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BlogBoardComments.CommentEntry entry;
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final boolean xml = post.containsKey("xml");
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int count = 0; //counts how many entries are shown to the user
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int start = post.getInt("start",0); //indicates from where entries should be shown
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int num = post.getInt("num",10); //indicates how many entries should be shown
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if (xml) {
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num = 0;
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}
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if (start < 0) {
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start = 0;
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}
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final int nextstart = start + num; //indicates the starting offset for next results
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int prevstart = start - num; //indicates the starting offset for previous results
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while (i.hasNext() && count < num) {
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pageid = i.next();
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if(start > 0) {
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start--;
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continue;
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}
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entry = sb.blogCommentDB.read(pageid);
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if (commentMode == 2 && !hasRights && !entry.isAllowed()) {
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continue;
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}
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prop.put("mode", "0");
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prop.put("mode_entries_"+count+"_pageid", entry.getKey());
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if (!xml) {
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prop.putHTML("mode_entries_"+count+"_subject", UTF8.String(entry.getSubject()));
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prop.putHTML("mode_entries_"+count+"_author", UTF8.String(entry.getAuthor()));
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prop.putWiki(sb.peers.mySeed().getClusterAddress(), "mode_entries_"+count+"_page", entry.getPage());
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} else {
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prop.putHTML("mode_entries_"+count+"_subject", UTF8.String(entry.getSubject()));
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prop.putHTML("mode_entries_"+count+"_author", UTF8.String(entry.getAuthor()));
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prop.put("mode_entries_"+count+"_page", entry.getPage());
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prop.put("mode_entries_"+count+"_timestamp", entry.getTimestamp());
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}
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prop.put("mode_entries_"+count+"_date", dateString(entry.getDate()));
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prop.put("mode_entries_"+count+"_ip", entry.getIp());
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if(hasRights) {
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prop.put("mode_entries_"+count+"_admin", "1");
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prop.put("mode_entries_"+count+"_admin_pageid", page.getKey());
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prop.put("mode_entries_"+count+"_admin_commentid", pageid);
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if(page.getCommentMode() == 2 && !entry.isAllowed()) {
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prop.put("mode_entries_"+count+"_admin_moderate", "1");
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prop.put("mode_entries_"+count+"_admin_moderate_pageid", page.getKey());
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prop.put("mode_entries_"+count+"_admin_moderate_commentid", pageid);
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}
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}
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else prop.put("mode_entries_"+count+"_admin", 0);
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++count;
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}
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prop.put ("mode_entries", count);
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if (i.hasNext()) {
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prop.put("mode_moreentries", "1"); //more entries are availible
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prop.put("mode_moreentries_start", nextstart);
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prop.put("mode_moreentries_num", num);
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prop.put("mode_moreentries_pageid", page.getKey());
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}
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else prop.put("mode_moreentries", "0");
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if (start > 1) {
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prop.put("mode_preventries", "1");
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if (prevstart < 0) prevstart = 0;
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prop.put("mode_preventries_start", prevstart);
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prop.put("mode_preventries_num", num);
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prop.put("mode_preventries_pageid", page.getKey());
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} else prop.put("mode_preventries", "0");
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}
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}
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// return rewrite properties
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return prop;
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}
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private static void messageForwardingViaEmail(final Switchboard sb, final MessageBoard.entry msgEntry) {
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try {
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if (!sb.getConfigBool("msgForwardingEnabled",false)) {
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return;
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}
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// get the recipient address
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final String sendMailTo = sb.getConfig("msgForwardingTo","root@localhost").trim();
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// get the sendmail configuration
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final String sendMailStr = sb.getConfig("msgForwardingCmd","/usr/bin/sendmail")+" "+sendMailTo;
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final String[] sendMail = sendMailStr.trim().split(" ");
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// build the message text
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final StringBuilder emailTxt = new StringBuilder();
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emailTxt.append("To: ")
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.append(sendMailTo)
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.append("\nFrom: ")
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.append("yacy@")
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.append(sb.peers.mySeed().getName())
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.append("\nSubject: [YaCy] ")
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.append(msgEntry.subject().replace('\n', ' '))
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.append("\nDate: ")
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.append(msgEntry.date())
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.append("\n")
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.append("\nMessage from: ")
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.append(msgEntry.author())
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.append("/")
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.append(msgEntry.authorHash())
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.append("\nMessage to: ")
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.append(msgEntry.recipient())
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.append("/")
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.append(msgEntry.recipientHash())
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.append("\nCategory: ")
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.append(msgEntry.category())
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.append("\n===================================================================\n")
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.append(UTF8.String(msgEntry.message()));
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final Process process=Runtime.getRuntime().exec(sendMail);
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final PrintWriter email = new PrintWriter(process.getOutputStream());
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email.print(new String(emailTxt));
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email.close();
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} catch (final Exception e) {
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Network.log.warn("message: message forwarding via email failed. ",e);
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}
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}
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}
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