// Blog.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: 2011-04-02 01:32:40 +0200 (Sa, 02. Apr 2011) $
//$LastChangedRevision: 7635 $
//$LastChangedBy: low012 $
//
// 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 Blog.java
// if the shell's current path is HTROOT
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import net.yacy.cora.document.UTF8;
import net.yacy.cora.protocol.HeaderFramework;
import net.yacy.cora.protocol.RequestHeader;
import de.anomic.data.BlogBoard;
import de.anomic.data.UserDB;
import de.anomic.search.Switchboard;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyNewsPool;
import java.util.List;
import java.util.Map;
public class Blog {
private static final String DEFAULT_PAGE = "blog_default";
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, final 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);
//final int display = (hasRights || post == null) ? 1 : post.getInt("display", 0);
//prop.put("display", display);
prop.put("display", 1); // Fixed to 1
final boolean xml = (header.get(HeaderFramework.CONNECTION_PROP_PATH)).endsWith(".xml");
final String address = sb.peers.mySeed().getPublicAddress();
if(hasRights) {
prop.put("mode_admin", "1");
} else {
prop.put("mode_admin", "0");
}
if (post == null) {
prop.putHTML("peername", sb.peers.mySeed().getName());
prop.put("address", address);
return putBlogDefault(prop, sb, address, 0, 10, hasRights, xml);
}
final int start = post.getInt("start",0); //indicates from where entries should be shown
final int num = post.getInt("num",10); //indicates how many entries should be shown
if (!hasRights) {
final UserDB.Entry userentry = sb.userDB.proxyAuth(header.get(RequestHeader.AUTHORIZATION, "xxxxxx"));
if (userentry != null && userentry.hasRight(UserDB.AccessRight.BLOG_RIGHT)) {
hasRights=true;
} else if (post.containsKey("login")) {
//opens login window if login link is clicked
prop.put("AUTHENTICATE","admin log-in");
}
}
String pagename = post.get("page", DEFAULT_PAGE);
final String ip = header.get(HeaderFramework.CONNECTION_PROP_CLIENTIP, "127.0.0.1");
String StrAuthor = post.get("author", "");
if ("anonymous".equals(StrAuthor)) {
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;
author = UTF8.getBytes(StrAuthor);
if (hasRights && post.containsKey("delete") && "sure".equals(post.get("delete"))) {
page = sb.blogDB.readBlogEntry(pagename);
for (final String comment : page.getComments()) {
sb.blogCommentDB.delete(comment);
}
sb.blogDB.deleteBlogEntry(pagename);
pagename = DEFAULT_PAGE;
}
if (post.containsKey("discard")) {
pagename = DEFAULT_PAGE;
}
if (post.containsKey("submit") && hasRights) {
// store a new/edited blog-entry
byte[] content;
content = UTF8.getBytes(post.get("content", ""));
final Date date;
List<String> comments = null;
//set name for new entry or date for old entry
if (DEFAULT_PAGE.equals(pagename)) {
pagename = String.valueOf(System.currentTimeMillis());
date = null;
} else {
page = sb.blogDB.readBlogEntry(pagename);
comments = page.getComments();
date = page.getDate();
}
final String commentMode = post.get("commentMode", "2");
final String StrSubject = post.get("subject", "");
byte[] subject;
subject = UTF8.getBytes(StrSubject);
sb.blogDB.writeBlogEntry(sb.blogDB.newEntry(pagename, subject, author, ip, date, content, comments, commentMode));
// create a news message
if (!sb.isRobinsonMode()) {
final Map<String, String> map = new HashMap<String, String>();
map.put("page", pagename);
map.put("subject", StrSubject.replace(',', ' '));
map.put("author", StrAuthor.replace(',', ' '));
sb.peers.newsPool.publishMyNews(sb.peers.mySeed(), yacyNewsPool.CATEGORY_BLOG_ADD, map);
}
}
page = sb.blogDB.readBlogEntry(pagename); //maybe "if(page == null)"
if (post.containsKey("edit")) {
//edit an entry
if(hasRights) {
prop.put("mode", "1"); //edit
prop.put("mode_commentMode", page.getCommentMode());
prop.putHTML("mode_author", UTF8.String(page.getAuthor()));
prop.put("mode_pageid", page.getKey());
prop.putHTML("mode_subject", UTF8.String(page.getSubject()));
prop.put("mode_page-code", UTF8.String(page.getPage()));
}
else {
prop.put("mode", "3"); //access denied (no rights)
}
} else if(post.containsKey("preview")) {
//preview the page
if(hasRights) {
prop.put("mode", "2");//preview
prop.put("mode_commentMode", post.getInt("commentMode", 2));
prop.putHTML("mode_pageid", pagename);
prop.putHTML("mode_author", UTF8.String(author));
prop.putHTML("mode_subject", post.get("subject",""));
prop.put("mode_date", dateString(new Date()));
prop.putWiki(sb.peers.mySeed().getClusterAddress(), "mode_page", post.get("content", ""));
prop.putHTML("mode_page-code", post.get("content", ""));
}
else {
prop.put("mode", "3"); //access denied (no rights)
}
}
else if("try".equals(post.get("delete", ""))) {
if(hasRights) {
prop.put("mode", "4");
prop.putHTML("mode_pageid", pagename);
prop.putHTML("mode_author",UTF8.String(page.getAuthor()));
prop.putHTML("mode_subject",UTF8.String(page.getSubject()));
}
else prop.put("mode", "3"); //access denied (no rights)
}
else if (post.containsKey("import")) {
prop.put("mode", "5");
prop.put("mode_state", "0");
}
else if (post.containsKey("xmlfile")) {
prop.put("mode", "5");
if(sb.blogDB.importXML(post.get("xmlfile$file"))) {
prop.put("mode_state", "1");
}
else {
prop.put("mode_state", "2");
}
}
else {
// show blog-entry/entries
prop.put("mode", "0"); //viewing
if(DEFAULT_PAGE.equals(pagename)) {
// XXX: where are "peername" and "address" used in the template?
// XXX: "clientname" is already set to the peername, no need for a new setting
prop.putHTML("peername", sb.peers.mySeed().getName());
prop.put("address", address);
//index all entries
putBlogDefault(prop, sb, address, start, num, hasRights, xml);
}
else {
//only show 1 entry
prop.put("mode_entries", "1");
putBlogEntry(sb, prop, page, address, 0, hasRights, xml);
}
}
// return rewrite properties
return prop;
}
private static serverObjects putBlogDefault(
final serverObjects prop,
final Switchboard switchboard,
final String address,
int start,
int num,
final boolean hasRights,
final boolean xml)
{
final Iterator<String> i = switchboard.blogDB.getBlogIterator(false);
int count = 0; //counts how many entries are shown to the user
if (xml) {
num = 0;
}
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() && (num == 0 || num > count)) {
if(0 < start--) continue;
putBlogEntry(
switchboard,
prop,
switchboard.blogDB.readBlogEntry(i.next()),
address,
count++,
hasRights,
xml);
}
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);
} else {
prop.put("moreentries", "0");
}
if (start > 0) {
prop.put("mode_preventries", "1");
if (prevstart < 0) {
prevstart = 0;
}
prop.put("mode_preventries_start", prevstart);
prop.put("mode_preventries_num", num);
} else prop.put("mode_preventries", "0");
return prop;
}
private static serverObjects putBlogEntry(
final Switchboard sb,
final serverObjects prop,
final BlogBoard.BlogEntry entry,
final String address,
final int number,
final boolean hasRights,
final boolean xml)
{
prop.putHTML("mode_entries_" + number + "_subject", UTF8.String(entry.getSubject()));
prop.putHTML("mode_entries_" + number + "_author", UTF8.String(entry.getAuthor()));
// comments
if (entry.getCommentMode() == 0) {
prop.put("mode_entries_" + number + "_commentsactive", "0");
} else {
prop.put("mode_entries_" + number + "_commentsactive", "1");
prop.put("mode_entries_" + number + "_commentsactive_pageid", entry.getKey());
prop.put("mode_entries_" + number + "_commentsactive_address", address);
prop.put("mode_entries_" + number + "_commentsactive_comments", entry.getCommentsSize());
}
prop.put("mode_entries_" + number + "_date", dateString(entry.getDate()));
prop.put("mode_entries_" + number + "_rfc822date", HeaderFramework.formatRFC1123(entry.getDate()));
prop.put("mode_entries_" + number + "_pageid", entry.getKey());
prop.put("mode_entries_" + number + "_address", address);
prop.put("mode_entries_" + number + "_ip", entry.getIp());
if (xml) {
prop.put("mode_entries_" + number + "_page", entry.getPage());
prop.put("mode_entries_" + number + "_timestamp", entry.getTimestamp());
} else {
prop.putWiki(sb.peers.mySeed().getClusterAddress(), "mode_entries_" + number + "_page", entry.getPage());
}
if (hasRights) {
prop.put("mode_entries_" + number + "_admin", "1");
prop.put("mode_entries_" + number + "_admin_pageid",entry.getKey());
} else {
prop.put("mode_entries_" + number + "_admin", "0");
}
return prop;
}
}