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379 lines
15 KiB
379 lines
15 KiB
// Blog.java
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// -----------------------
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// part of YACY
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// (C) by Michael Peter Christen; mc@anomic.de
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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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// Contains contributions from Marc Nause [MN]
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// last change: 06.05.2006
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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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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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// You must compile this file with
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// javac -classpath .:../classes Blog.java
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// if the shell's current path is HTROOT
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Iterator;
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import de.anomic.data.blogBoard;
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import de.anomic.data.userDB;
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import de.anomic.http.httpHeader;
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import de.anomic.http.httpc;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.server.logging.serverLog;
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import de.anomic.yacy.yacyCore;
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import de.anomic.yacy.yacyNewsPool;
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import de.anomic.yacy.yacyNewsRecord;
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public class Blog {
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private static final String DEFAULT_PAGE = "blog_default";
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private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
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// TODO: make userdefined date/time-strings (localisation)
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public static String dateString(Date date) {
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return SimpleFormatter.format(date);
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}
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
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final plasmaSwitchboard switchboard = (plasmaSwitchboard) env;
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final serverObjects prop = new serverObjects();
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blogBoard.entry page = null;
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final boolean authenticated = switchboard.adminAuthenticated(header) >= 2;
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final int display = ((post == null) || (!authenticated)) ? 0 : post.getInt("display", 0);
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prop.put("display", display);
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boolean hasRights = switchboard.verifyAuthentication(header, true);
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final boolean xml = ((String)header.get(httpHeader.CONNECTION_PROP_PATH)).endsWith(".xml");
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final String address = yacyCore.seedDB.mySeed.getPublicAddress();
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if(hasRights) {
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prop.put("mode_admin",1);
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} else {
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prop.put("mode_admin",0);
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}
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if (post == null) {
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prop.put("peername", yacyCore.seedDB.mySeed.getName());
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prop.put("address", address);
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return putBlogDefault(prop, switchboard, address, 0, 20, hasRights, xml);
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}
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final int start = post.getInt("start",0); //indicates from where entries should be shown
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final int num = post.getInt("num",20); //indicates how many entries should be shown
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if(!hasRights){
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final userDB.Entry userentry = switchboard.userDB.proxyAuth((String)header.get("Authorization", "xxxxxx"));
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if(userentry != null && userentry.hasRight(userDB.Entry.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 - contrib [MN]
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prop.put("AUTHENTICATE","admin log-in");
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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 = (String)header.get(httpHeader.CONNECTION_PROP_CLIENTIP, "127.0.0.1");
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String StrAuthor = post.get("author", "");
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if (StrAuthor.equals("anonymous")) {
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StrAuthor = switchboard.blogDB.guessAuthor(ip);
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if (StrAuthor == null || StrAuthor.length() == 0) {
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if (de.anomic.yacy.yacyCore.seedDB.mySeed == null)
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StrAuthor = "anonymous";
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else {
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StrAuthor = de.anomic.yacy.yacyCore.seedDB.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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try {
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author = StrAuthor.getBytes("UTF-8");
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} catch (UnsupportedEncodingException e) {
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author = StrAuthor.getBytes();
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}
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if(hasRights && post.containsKey("delete") && post.get("delete").equals("sure")) {
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page = switchboard.blogDB.read(pagename);
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final Iterator i = page.comments().iterator();
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while(i.hasNext()) {
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switchboard.blogCommentDB.delete((String) i.next());
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}
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switchboard.blogDB.delete(pagename);
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pagename = DEFAULT_PAGE;
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}
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if (post.containsKey("discard"))
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pagename = DEFAULT_PAGE;
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if (post.containsKey("submit") && (hasRights)) {
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// store a new/edited blog-entry
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byte[] content;
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try {
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content = post.get("content", "").getBytes("UTF-8");
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} catch (UnsupportedEncodingException e) {
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content = post.get("content", "").getBytes();
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}
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Date date = null;
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ArrayList comments = null;
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//set name for new entry or date for old entry
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if(pagename.equals(DEFAULT_PAGE))
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pagename = String.valueOf(System.currentTimeMillis());
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else {
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page = switchboard.blogDB.read(pagename);
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comments = page.comments();
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date = page.date();
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}
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final String commentMode = post.get("commentMode", "1");
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final String StrSubject = post.get("subject", "");
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byte[] subject;
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try {
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subject = StrSubject.getBytes("UTF-8");
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} catch (UnsupportedEncodingException e) {
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subject = StrSubject.getBytes();
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}
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switchboard.blogDB.write(switchboard.blogDB.newEntry(pagename, subject, author, ip, date, content, comments, commentMode));
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// create a news message
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final HashMap map = new HashMap();
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map.put("page", pagename);
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map.put("subject", StrSubject.replace(',', ' '));
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map.put("author", StrAuthor.replace(',', ' '));
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yacyCore.newsPool.publishMyNews(yacyNewsRecord.newRecord(yacyNewsPool.CATEGORY_BLOG_ADD, map));
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}
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page = switchboard.blogDB.read(pagename); //maybe "if(page == null)"
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if (post.containsKey("edit")) {
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//edit an entry
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if(hasRights) {
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try {
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prop.put("mode", 1); //edit
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prop.put("mode_commentMode", page.getCommentMode());
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prop.put("mode_author", new String(page.author(),"UTF-8"));
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prop.put("mode_pageid", page.key());
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prop.put("mode_subject", new String(page.subject(), "UTF-8"));
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prop.put("mode_page-code", new String(page.page(), "UTF-8"));
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} catch (UnsupportedEncodingException e) {}
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}
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else {
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prop.put("mode",3); //access denied (no rights)
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}
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}
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else if(post.containsKey("preview")) {
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//preview the page
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if(hasRights) {
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prop.put("mode", 2);//preview
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prop.put("mode_commentMode", Integer.parseInt(post.get("commentMode", "1")));
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prop.put("mode_pageid", pagename);
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try {
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prop.put("mode_author", new String(author, "UTF-8"));
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} catch (UnsupportedEncodingException e) {
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prop.put("mode_author", new String(author));
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}
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prop.put("mode_subject", post.get("subject",""));
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prop.put("mode_date", dateString(new Date()));
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prop.putWiki("mode_page", post.get("content", ""));
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prop.put("mode_page-code", post.get("content", ""));
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}
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else prop.put("mode",3); //access denied (no rights)
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}
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else if(post.get("delete", "").equals("try")) {
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if(hasRights) {
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prop.put("mode",4);
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prop.put("mode_pageid",pagename);
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try {
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prop.put("mode_author",new String(page.author(), "UTF-8"));
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} catch (UnsupportedEncodingException e) {
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prop.put("mode_author",new String(page.author()));
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}
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try {
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prop.put("mode_subject",new String(page.subject(),"UTF-8"));
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} catch (UnsupportedEncodingException e) {
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prop.put("mode_subject",new String(page.subject()));
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}
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}
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else prop.put("mode",3); //access denied (no rights)
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}
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else if(post.containsKey("import")) {
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prop.put("mode",5);
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prop.put("mode_state",0);
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}
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else if(post.containsKey("xmlfile")) {
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prop.put("mode",5);
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if(switchboard.blogDB.importXML(new String((byte[])post.get("xmlfile$file")))) {
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prop.put("mode_state",1);
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}
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else {
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prop.put("mode_state",2);
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}
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}
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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(pagename.equals(DEFAULT_PAGE)) {
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// XXX: where are "peername" and "address" used in the template?
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// XXX: "clientname" is already set to the peername, no need for a new setting
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prop.put("peername", yacyCore.seedDB.mySeed.getName());
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prop.put("address", address);
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//index all entries
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putBlogDefault(prop, switchboard, address, start, num, hasRights, xml);
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}
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else {
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//only show 1 entry
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prop.put("mode_entries",1);
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putBlogEntry(prop, page, address, 0, hasRights, xml);
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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 serverObjects putBlogDefault(
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final serverObjects prop,
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final plasmaSwitchboard switchboard,
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final String address,
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int start,
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int num,
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final boolean hasRights,
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final boolean xml) {
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try {
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final Iterator i = switchboard.blogDB.keys(false);
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String pageid;
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int count = 0; //counts how many entries are shown to the user
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if(xml) num = 0;
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final int nextstart = start+num; //indicates the starting offset for next results
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while(i.hasNext() && (num == 0 || num > count)) {
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pageid = (String) i.next();
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if(0 < start--) continue;
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putBlogEntry(
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prop,
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switchboard.blogDB.read(pageid),
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address,
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count++,
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hasRights,
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xml);
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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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} else {
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prop.put("moreentries",0);
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}
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} catch (IOException e) { serverLog.logSevere("BLOG", "Error reading blog-DB", e); }
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return prop;
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}
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private static serverObjects putBlogEntry(
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final serverObjects prop,
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final blogBoard.entry entry,
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final String address,
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final int number,
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final boolean hasRights,
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final boolean xml) {
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// subject
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try {
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prop.put("mode_entries_" + number + "_subject", new String(entry.subject(),"UTF-8"));
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} catch (UnsupportedEncodingException e) {
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prop.put("mode_entries_" + number + "_subject", new String(entry.subject()));
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}
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// author
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try {
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prop.put("mode_entries_" + number + "_author", new String(entry.author(),"UTF-8"));
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} catch (UnsupportedEncodingException e) {
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prop.put("mode_entries_" + number + "_author", new String(entry.author()));
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}
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// comments
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if(entry.getCommentMode() == 0) {
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prop.put("mode_entries_" + number + "_commentsactive", 0);
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} else {
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prop.put("mode_entries_" + number + "_commentsactive", 1);
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prop.put("mode_entries_" + number + "_commentsactive_pageid", entry.key());
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prop.put("mode_entries_" + number + "_commentsactive_address", address);
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try {
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prop.put("mode_entries_" + number + "_commentsactive_comments", new String(entry.commentsSize(),"UTF-8"));
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} catch (UnsupportedEncodingException e) {
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prop.put("mode_entries_" + number + "_commentsactive_comments", new String(entry.commentsSize()));
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}
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}
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prop.put("mode_entries_" + number + "_date", dateString(entry.date()));
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prop.put("mode_entries_" + number + "_rfc822date", httpc.dateString(entry.date()));
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prop.put("mode_entries_" + number + "_pageid", entry.key());
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prop.put("mode_entries_" + number + "_address", address);
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prop.put("mode_entries_" + number + "_ip", entry.ip());
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if(xml) {
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prop.putASIS("mode_entries_" + number + "_page", entry.page());
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prop.put("mode_entries_" + number + "_timestamp", entry.timestamp());
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} else {
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prop.putWiki("mode_entries_" + number + "_page", entry.page());
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}
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if(hasRights) {
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prop.put("mode_entries_" + number + "_admin", 1);
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prop.put("mode_entries_" + number + "_admin_pageid",entry.key());
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} else {
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prop.put("mode_entries_" + number + "_admin", 0);
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}
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return prop;
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}
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}
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