// 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]
// last change: 06.05.2006
//
// 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.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import de.anomic.data.blogBoard;
import de.anomic.data.userDB;
import de.anomic.http.HttpClient;
import de.anomic.http.httpHeader;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyNewsPool;
import de.anomic.yacy.yacyNewsRecord;
public class Blog {
private static final String DEFAULT_PAGE = "blog_default";
private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
// TODO: make userdefined date/time-strings (localisation)
public static String dateString(final Date date) {
return SimpleFormatter.format(date);
}
public static serverObjects respond(final httpHeader header, final serverObjects post, final serverSwitch<?> env) {
final plasmaSwitchboard sb = (plasmaSwitchboard) 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(httpHeader.CONNECTION_PROP_PATH)).endsWith(".xml");
final String address = sb.webIndex.seedDB.mySeed().getPublicAddress();
if(hasRights) {
prop.put("mode_admin", "1");
} else {
prop.put("mode_admin", "0");
}
if (post == null) {
prop.putHTML("peername", sb.webIndex.seedDB.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((String)header.get(httpHeader.AUTHORIZATION, "xxxxxx"));
if(userentry != null && userentry.hasRight(userDB.Entry.BLOG_RIGHT)){
hasRights=true;
} else if(post.containsKey("login")) {
//opens login window if login link is clicked - contrib [MN]
prop.put("AUTHENTICATE","admin log-in");
}
}
String pagename = post.get("page", DEFAULT_PAGE);
final String ip = (String)header.get(httpHeader.CONNECTION_PROP_CLIENTIP, "127.0.0.1");
String StrAuthor = post.get("author", "");
if (StrAuthor.equals("anonymous")) {
StrAuthor = sb.blogDB.guessAuthor(ip);
if (StrAuthor == null || StrAuthor.length() == 0) {
if (sb.webIndex.seedDB.mySeed() == null) {
StrAuthor = "anonymous";
} else {
StrAuthor = sb.webIndex.seedDB.mySeed().get("Name", "anonymous");
}
}
}
byte[] author;
try {
author = StrAuthor.getBytes("UTF-8");
} catch (final UnsupportedEncodingException e) {
author = StrAuthor.getBytes();
}
if(hasRights && post.containsKey("delete") && post.get("delete").equals("sure")) {
page = sb.blogDB.readBlogEntry(pagename);
final Iterator<String> i = page.getComments().iterator();
while(i.hasNext()) {
sb.blogCommentDB.delete(i.next());
}
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;
try {
content = post.get("content", "").getBytes("UTF-8");
} catch (final UnsupportedEncodingException e) {
content = post.get("content", "").getBytes();
}
Date date = null;
ArrayList<String> comments = null;
//set name for new entry or date for old entry
if(pagename.equals(DEFAULT_PAGE)) {
pagename = String.valueOf(System.currentTimeMillis());
} else {
page = sb.blogDB.readBlogEntry(pagename);
comments = page.getComments();
date = page.getDate();
}
final String commentMode = post.get("commentMode", "1");
final String StrSubject = post.get("subject", "");
byte[] subject;
try {
subject = StrSubject.getBytes("UTF-8");
} catch (final UnsupportedEncodingException e) {
subject = StrSubject.getBytes();
}
sb.blogDB.writeBlogEntry(sb.blogDB.newEntry(pagename, subject, author, ip, date, content, comments, commentMode));
// create a news message
final HashMap<String, String> map = new HashMap<String, String>();
map.put("page", pagename);
map.put("subject", StrSubject.replace(',', ' '));
map.put("author", StrAuthor.replace(',', ' '));
sb.webIndex.newsPool.publishMyNews(yacyNewsRecord.newRecord(sb.webIndex.seedDB.mySeed(), yacyNewsPool.CATEGORY_BLOG_ADD, map));
}
page = sb.blogDB.readBlogEntry(pagename); //maybe "if(page == null)"
if (post.containsKey("edit")) {
//edit an entry
if(hasRights) {
try {
prop.put("mode", "1"); //edit
prop.put("mode_commentMode", page.getCommentMode());
prop.putHTML("mode_author", new String(page.getAuthor(),"UTF-8"), xml);
prop.put("mode_pageid", page.getKey());
prop.putHTML("mode_subject", new String(page.getSubject(), "UTF-8"), xml);
prop.put("mode_page-code", new String(page.getPage(), "UTF-8"));
} catch (final UnsupportedEncodingException e) {}
}
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", 1));
prop.putHTML("mode_pageid", pagename, xml);
try {
prop.putHTML("mode_author", new String(author, "UTF-8"), xml);
} catch (final UnsupportedEncodingException e) {
prop.putHTML("mode_author", new String(author), xml);
}
prop.putHTML("mode_subject", post.get("subject",""), xml);
prop.put("mode_date", dateString(new Date()));
prop.putWiki("mode_page", post.get("content", ""));
prop.putHTML("mode_page-code", post.get("content", ""), xml);
}
else {
prop.put("mode", "3"); //access denied (no rights)
}
}
else if(post.get("delete", "").equals("try")) {
if(hasRights) {
prop.put("mode", "4");
prop.put("mode_pageid", pagename);
try {
prop.putHTML("mode_author",new String(page.getAuthor(), "UTF-8"), xml);
} catch (final UnsupportedEncodingException e) {
prop.putHTML("mode_author",new String(page.getAuthor()), xml);
}
try {
prop.putHTML("mode_subject",new String(page.getSubject(),"UTF-8"), xml);
} catch (final UnsupportedEncodingException e) {
prop.putHTML("mode_subject",new String(page.getSubject()), xml);
}
}
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(pagename.equals(DEFAULT_PAGE)) {
// 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.webIndex.seedDB.mySeed().getName(), xml);
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(prop, page, address, 0, hasRights, xml);
}
}
// return rewrite properties
return prop;
}
private static serverObjects putBlogDefault(
final serverObjects prop,
final plasmaSwitchboard switchboard,
final String address,
int start,
int num,
final boolean hasRights,
final boolean xml)
{
final Iterator<String> i = switchboard.blogDB.getBlogIterator(false);
String pageid;
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
boolean prev = false; //indicates if there were previous comments to the ones that are dispalyed
if (start > 0) prev = true;
while(i.hasNext() && (num == 0 || num > count)) {
pageid = i.next();
if(0 < start--) continue;
putBlogEntry(
prop,
switchboard.blogDB.readBlogEntry(pageid),
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(prev) {
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 serverObjects prop,
final blogBoard.BlogEntry entry,
final String address,
final int number,
final boolean hasRights,
final boolean xml)
{
// subject
try {
prop.putHTML("mode_entries_" + number + "_subject", new String(entry.getSubject(),"UTF-8"), xml);
} catch (final UnsupportedEncodingException e) {
prop.putHTML("mode_entries_" + number + "_subject", new String(entry.getSubject()), xml);
}
// author
try {
prop.putHTML("mode_entries_" + number + "_author", new String(entry.getAuthor(),"UTF-8"), xml);
} catch (final UnsupportedEncodingException e) {
prop.putHTML("mode_entries_" + number + "_author", new String(entry.getAuthor()), xml);
}
// 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", HttpClient.dateString(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("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;
}
}