// BlogComments.java
// -----------------------
// part of YACY
// (C) by Michael Peter Christen; mc@yacy.net
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
//
// This File is contributed by Jan Sandbrink
// Contains contributions from Marc Nause [MN]
//
//$LastChangedDate$
//$LastChangedRevision$
//$LastChangedBy$
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// You must compile this file with
// javac -classpath .:../Classes Blacklist_p.java
// if the shell's current path is HTROOT
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Iterator;
import java.util.Locale;
import net.yacy.kelondro.logging.Log;
import net.yacy.kelondro.util.FileUtils;
import de.anomic.data.blogBoard;
import de.anomic.data.blogBoardComments;
import de.anomic.data.messageBoard;
import de.anomic.data.userDB;
import de.anomic.data.blogBoard.BlogEntry;
import de.anomic.http.server.HeaderFramework;
import de.anomic.http.server.RequestHeader;
import de.anomic.search.Switchboard;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyCore;
public class BlogComments {
private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss", Locale.US);
// TODO: make userdefined date/time-strings (localisation)
public static String dateString(final Date date) {
return SimpleFormatter.format(date);
}
public static serverObjects respond(final RequestHeader header, serverObjects post, final serverSwitch env) {
final Switchboard sb = (Switchboard) env;
final serverObjects prop = new serverObjects();
blogBoard.BlogEntry page = null;
boolean hasRights = sb.verifyAuthentication(header, true);
if (hasRights) prop.put("mode_admin", "1");
else prop.put("mode_admin", "0");
if (post == null) {
post = new serverObjects();
post.put("page", "blog_default");
}
if(!hasRights){
final userDB.Entry userentry = sb.userDB.proxyAuth(header.get(RequestHeader.AUTHORIZATION, "xxxxxx"));
if(userentry != null && userentry.hasRight(userDB.Entry.BLOG_RIGHT)){
hasRights=true;
}
//opens login window if login link is clicked - contrib [MN]
else if(post.containsKey("login")){
prop.put("AUTHENTICATE","admin log-in");
}
}
final String pagename = post.get("page", "blog_default");
final String ip = post.get(HeaderFramework.CONNECTION_PROP_CLIENTIP, "127.0.0.1");
String StrAuthor = post.get("author", "anonymous");
if (StrAuthor.equals("anonymous")) {
StrAuthor = sb.blogDB.guessAuthor(ip);
if (StrAuthor == null || StrAuthor.length() == 0) {
if (sb.peers.mySeed() == null) {
StrAuthor = "anonymous";
}
else {
StrAuthor = sb.peers.mySeed().get("Name", "anonymous");
}
}
}
byte[] author;
try {
author = StrAuthor.getBytes("UTF-8");
} catch (final UnsupportedEncodingException e) {
author = StrAuthor.getBytes();
}
page = sb.blogDB.readBlogEntry(pagename); //maybe "if(page == null)"
final boolean pageExists = sb.blogDB.contains(pagename); // [MN]
// comments not allowed
if (page.getCommentMode() == 0) {
prop.put("mode_allow", 0);
} else {
prop.put("mode_allow", 1);
}
if (post.containsKey("submit") && page.getCommentMode() != 0 && pageExists) {
// store a new/edited blog-entry
byte[] content;
if(!post.get("content", "").equals(""))
{
if(post.get("subject", "").equals("")) post.putHTML("subject", "no title");
try {
content = post.get("content", "").getBytes("UTF-8");
} catch (final UnsupportedEncodingException e) {
content = post.get("content", "").getBytes();
}
final Date date = null;
//set name for new entry or date for old entry
final String StrSubject = post.get("subject", "");
byte[] subject;
try {
subject = StrSubject.getBytes("UTF-8");
} catch (final UnsupportedEncodingException e) {
subject = StrSubject.getBytes();
}
final String commentID = String.valueOf(System.currentTimeMillis());
final BlogEntry blogEntry = sb.blogDB.readBlogEntry(pagename);
blogEntry.addComment(commentID);
sb.blogDB.writeBlogEntry(blogEntry);
sb.blogCommentDB.write(sb.blogCommentDB.newEntry(commentID, subject, author, ip, date, content));
prop.putHTML("LOCATION","BlogComments.html?page=" + pagename);
messageBoard.entry msgEntry = null;
try {
sb.messageDB.write(msgEntry = sb.messageDB.newEntry(
"blogComment",
StrAuthor,
sb.peers.mySeed().hash,
sb.peers.mySeed().getName(), sb.peers.mySeed().hash,
"new blog comment: " + new String(blogEntry.getSubject(),"UTF-8"), content));
} catch (final UnsupportedEncodingException e1) {
sb.messageDB.write(msgEntry = sb.messageDB.newEntry(
"blogComment",
StrAuthor,
sb.peers.mySeed().hash,
sb.peers.mySeed().getName(), sb.peers.mySeed().hash,
"new blog comment: " + new String(blogEntry.getSubject()), content));
}
messageForwardingViaEmail(sb, msgEntry);
// finally write notification
final File notifierSource = new File(sb.getRootPath(), sb.getConfig("htRootPath","htroot") + "/env/grafics/message.gif");
final File notifierDest = new File(sb.getConfigPath("htDocsPath", "DATA/HTDOCS"), "notifier.gif");
try {
FileUtils.copy(notifierSource, notifierDest);
} catch (final IOException e) {
Log.logSevere("MESSAGE", "NEW MESSAGE ARRIVED! (error: " + e.getMessage() + ")");
}
}
}
if(hasRights && post.containsKey("delete") && post.containsKey("page") && post.containsKey("comment")) {
if(page.removeComment(post.get("comment"))) {
sb.blogCommentDB.delete(post.get("comment"));
}
}
if(hasRights && post.containsKey("allow") && post.containsKey("page") && post.containsKey("comment")) {
final blogBoardComments.CommentEntry entry = sb.blogCommentDB.read(post.get("comment"));
entry.allow();
sb.blogCommentDB.write(entry);
}
if(post.containsKey("preview") && page.getCommentMode() != 0) {
//preview the page
prop.put("mode", "1");//preview
prop.putHTML("mode_pageid", pagename);
prop.putHTML("mode_allow_pageid", pagename);
try {
prop.putHTML("mode_author", new String(author, "UTF-8"));
prop.putHTML("mode_allow_author", new String(author, "UTF-8"));
} catch (final UnsupportedEncodingException e) {
prop.putHTML("mode_author", new String(author));
prop.putHTML("mode_allow_author", new String(author));
}
prop.putHTML("mode_subject", post.get("subject",""));
prop.put("mode_date", dateString(new Date()));
prop.putWiki("mode_page", post.get("content", ""));
prop.put("mode_page-code", post.get("content", ""));
} else {
// show blog-entry/entries
prop.put("mode", "0"); //viewing
if(pagename.equals("blog_default")) {
prop.put("LOCATION","Blog.html");
} else {
//show 1 blog entry
prop.put("mode_pageid", page.getKey());
prop.putHTML("mode_allow_pageid", pagename);
try {
prop.putHTML("mode_subject", new String(page.getSubject(),"UTF-8"));
} catch (final UnsupportedEncodingException e) {
prop.putHTML("mode_subject", new String(page.getSubject()));
}
try {
prop.putHTML("mode_author", new String(page.getAuthor(),"UTF-8"));
prop.putHTML("mode_allow_author", new String(author, "UTF-8"));
} catch (final UnsupportedEncodingException e) {
prop.putHTML("mode_author", new String(page.getAuthor()));
prop.putHTML("mode_allow_author", new String(author));
}
prop.put("mode_comments", page.getCommentsSize());
prop.put("mode_date", dateString(page.getDate()));
prop.putWiki("mode_page", page.getPage());
if(hasRights) {
prop.put("mode_admin", "1");
prop.put("mode_admin_pageid", page.getKey());
}
//show all commments
try {
final Iterator<String> i = page.getComments().iterator();
final int commentMode = page.getCommentMode();
String pageid;
blogBoardComments.CommentEntry entry;
boolean xml = false;
if(post.containsKey("xml")) {
xml = true;
}
int count = 0; //counts how many entries are shown to the user
int start = post.getInt("start",0); //indicates from where entries should be shown
int num = post.getInt("num",10); //indicates how many entries should be shown
boolean prev = false; //indicates if there were previous comments to the ones that are dispalyed
if(xml) num = 0;
if (start < 0) start = 0;
if (start > 1) prev = true;
final int nextstart = start+num; //indicates the starting offset for next results
int prevstart = start-num; //indicates the starting offset for previous results
while(i.hasNext() && count < num) {
pageid = i.next();
if(start > 0) {
start--;
continue;
}
entry = sb.blogCommentDB.read(pageid);
if (commentMode == 2 && !hasRights && !entry.isAllowed())
continue;
prop.put("mode", "0");
prop.put("mode_entries_"+count+"_pageid", entry.getKey());
if(!xml) {
prop.putHTML("mode_entries_"+count+"_subject", new String(entry.getSubject(),"UTF-8"));
prop.putHTML("mode_entries_"+count+"_author", new String(entry.getAuthor(),"UTF-8"));
prop.putWiki("mode_entries_"+count+"_page", entry.getPage());
}
else {
prop.putHTML("mode_entries_"+count+"_subject", new String(entry.getSubject(),"UTF-8"));
prop.putHTML("mode_entries_"+count+"_author", new String(entry.getAuthor(),"UTF-8"));
prop.put("mode_entries_"+count+"_page", entry.getPage());
prop.put("mode_entries_"+count+"_timestamp", entry.getTimestamp());
}
prop.put("mode_entries_"+count+"_date", dateString(entry.getDate()));
prop.put("mode_entries_"+count+"_ip", entry.getIp());
if(hasRights) {
prop.put("mode_entries_"+count+"_admin", "1");
prop.put("mode_entries_"+count+"_admin_pageid", page.getKey());
prop.put("mode_entries_"+count+"_admin_commentid", pageid);
if(page.getCommentMode() == 2 && !entry.isAllowed()) {
prop.put("mode_entries_"+count+"_admin_moderate", "1");
prop.put("mode_entries_"+count+"_admin_moderate_pageid", page.getKey());
prop.put("mode_entries_"+count+"_admin_moderate_commentid", pageid);
}
}
else prop.put("mode_entries_"+count+"_admin", 0);
++count;
}
prop.put("mode_entries", count);
if(i.hasNext()) {
prop.put("mode_moreentries", "1"); //more entries are availible
prop.put("mode_moreentries_start", nextstart);
prop.put("mode_moreentries_num", num);
prop.put("mode_moreentries_pageid", page.getKey());
}
else prop.put("mode_moreentries", "0");
if(prev) {
prop.put("mode_preventries", "1");
if (prevstart < 0) prevstart = 0;
prop.put("mode_preventries_start", prevstart);
prop.put("mode_preventries_num", num);
prop.put("mode_preventries_pageid", page.getKey());
} else prop.put("mode_preventries", "0");
} catch (final IOException e) {
}
}
}
// return rewrite properties
return prop;
}
private static void messageForwardingViaEmail(final Switchboard sb, final messageBoard.entry msgEntry) {
try {
if (!Boolean.parseBoolean(sb.getConfig("msgForwardingEnabled","false"))) return;
// get the recipient address
final String sendMailTo = sb.getConfig("msgForwardingTo","root@localhost").trim();
// get the sendmail configuration
final String sendMailStr = sb.getConfig("msgForwardingCmd","/usr/bin/sendmail")+" "+sendMailTo;
final String[] sendMail = sendMailStr.trim().split(" ");
// build the message text
final StringBuilder emailTxt = new StringBuilder();
emailTxt.append("To: ")
.append(sendMailTo)
.append("\nFrom: ")
.append("yacy@")
.append(sb.peers.mySeed().getName())
.append("\nSubject: [YaCy] ")
.append(msgEntry.subject().replace('\n', ' '))
.append("\nDate: ")
.append(msgEntry.date())
.append("\n")
.append("\nMessage from: ")
.append(msgEntry.author())
.append("/")
.append(msgEntry.authorHash())
.append("\nMessage to: ")
.append(msgEntry.recipient())
.append("/")
.append(msgEntry.recipientHash())
.append("\nCategory: ")
.append(msgEntry.category())
.append("\n===================================================================\n")
.append(new String(msgEntry.message()));
final Process process=Runtime.getRuntime().exec(sendMail);
final PrintWriter email = new PrintWriter(process.getOutputStream());
email.print(new String(emailTxt));
email.close();
} catch (final Exception e) {
yacyCore.log.logWarning("message: message forwarding via email failed. ",e);
}
}
}