//MessageSend_p.java
//-----------------------
//part of the AnomicHTTPD caching proxy
//(C) by Michael Peter Christen; mc@yacy.net
//first published on http://www.anomic.de
//Frankfurt, Germany, 2004
//Last major change: 28.06.2003
//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 MessageSend_p.java
//if the shell's current path is HTROOT
import java.io.IOException;
import java.util.Date;
import java.util.Map;
import org.apache.http.entity.mime.content.ContentBody;
import net.yacy.cora.date.GenericFormatter;
import net.yacy.cora.document.encoding.ASCII;
import net.yacy.cora.document.encoding.UTF8;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.kelondro.util.FileUtils;
import net.yacy.peers.Network;
import net.yacy.peers.Protocol;
import net.yacy.peers.Protocol.Post;
import net.yacy.peers.Seed;
import net.yacy.peers.SeedDB;
import net.yacy.search.Switchboard;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
import net.yacy.utils.crypt;
public class MessageSend_p {
public static String dateString(final Date date) {
return GenericFormatter.SIMPLE_FORMATTER.format(date);
}
public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
final Switchboard sb = (Switchboard) env;
final serverObjects prop = new serverObjects();
if ((post == null) || (post.get("hash","").isEmpty())) {
prop.put("mode", "3");
return prop;
}
final String hash = post.get("hash", "");
String subject = post.get("subject", "");
String message = post.get("message", "");
if ((message.isEmpty()) || (post.containsKey("preview"))) {
if (post.containsKey("preview")) {
prop.put("mode", "1");
} else {
prop.put("mode", "0");
}
// open an editor page for the message
// first ask if the other peer is online, and also what kind of document it accepts
Seed seed = sb.peers.getConnected(ASCII.getBytes(hash));
if (seed != null) {
for (String ip : seed.getIPs()) {
final Map<String, String> result = Protocol.permissionMessage(seed.getPublicAddress(ip), hash);
//System.out.println("DEBUG: permission request result = " + result.toString());
String peerName;
Seed targetPeer = null;
if (hash.equals(sb.peers.mySeed().hash)) {
peerName = sb.peers.mySeed().get(Seed.NAME, "nameless");
} else {
targetPeer = sb.peers.getConnected(hash);
if (targetPeer == null) {
peerName = "nameless";
} else {
peerName = targetPeer.get(Seed.NAME, "nameless");
}
}
prop.putXML("mode_permission_peerName", peerName);
final String response = (result == null) ? null : result.get("response");
if (response == null || result == null) {
// we don't have permission or other peer does not exist
prop.put("mode_permission", "0");
if (targetPeer != null) {
sb.peers.peerActions.interfaceDeparture(targetPeer, ip);
}
} else {
prop.put("mode_permission", "1");
// write input form
try {
final int messagesize = Integer.parseInt(result.get("messagesize"));
final int attachmentsize = Integer.parseInt(result.get("attachmentsize"));
prop.putXML("mode_permission_response", response);
prop.put("mode_permission_messagesize", messagesize);
prop.put("mode_permission_attachmentsize", attachmentsize);
prop.putXML("mode_permission_subject", subject);
prop.putXML("mode_permission_message", message);
prop.putHTML("mode_permission_hash", hash);
if (post.containsKey("preview")) {
prop.putWiki("mode_permission_previewmessage", message);
}
} catch (final NumberFormatException e) {
// "unresolved pattern", the remote peer is alive but had an exception
prop.put("mode_permission", "2");
}
}
}
} else { // seed == null
prop.put("mode_permission", "0");
prop.putXML("mode_permission_peerName", "a passive peer");
}
} else {
prop.put("mode", "2");
// send written message to peer
try {
prop.put("mode_status", "0");
int messagesize = post.getInt("messagesize", 0);
//int attachmentsize = Integer.parseInt(post.get("attachmentsize", "0"));
if (messagesize < 1000) messagesize = 1000; // debug
if (subject.length() > 100) subject = subject.substring(0, 100);
if (message.length() > messagesize) message = message.substring(0, messagesize);
final byte[] mb = UTF8.getBytes(message);
SeedDB seedDB = sb.peers;
// prepare request
final String salt = crypt.randomSalt();
// send request
final Map<String, ContentBody> parts = Protocol.basicRequestParts(Switchboard.getSwitchboard(), hash, salt);
parts.put("process", UTF8.StringBody("post"));
parts.put("myseed", UTF8.StringBody(seedDB.mySeed().genSeedStr(salt)));
parts.put("subject", UTF8.StringBody(subject));
parts.put("message", UTF8.StringBody(mb));
Seed seed = seedDB.getConnected(ASCII.getBytes(hash));
Post post1 = null;
for (String ip: seed.getIPs()) {
try {
post1 = new Post(seed.getPublicAddress(ip), hash, "/yacy/message.html", parts, 20000);
} catch (IOException e) {
Network.log.warn("yacyClient.postMessage error:" + e.getMessage());
post1 = null;
}
if (post1 != null) break;
seedDB.peerActions.interfaceDeparture(seed, ip);
}
final Map<String, String> result1 = post1 == null ? null : FileUtils.table(post1.result);
final Map<String, String> result = result1;
//message has been sent
prop.put("mode_status_response", result.get("response"));
} catch (final NumberFormatException e) {
prop.put("mode_status", "1");
// "unresolved pattern", the remote peer is alive but had an exception
prop.putXML("mode_status_message", message);
}
}
return prop;
}
}