1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
package com.juick.xmpp.s2s;
import com.juick.xmpp.*;
import com.juick.xmpp.utils.XmlUtils;
import org.xmlpull.v1.XmlPullParser;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.nio.channels.AsynchronousSocketChannel;
import java.nio.channels.Channels;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author ugnich
*/
public class ConnectionIn extends Connection {
private static final Logger LOGGER = Logger.getLogger(ConnectionIn.class.getName());
final public List<String> from = new ArrayList<>();
public long tsRemoteData = 0;
public long packetsRemote = 0;
JuickBot bot;
Stream xmpp;
public ConnectionIn(AsynchronousSocketChannel socket, JuickBot bot, Stream xmpp) {
super();
this.socket = socket;
this.bot = bot;
this.xmpp = xmpp;
streamID = UUID.randomUUID().toString();
}
public void parseStream() {
LOGGER.info("STREAM FROM ? " + streamID + " START");
try {
parser.setInput(new InputStreamReader(Channels.newInputStream(socket)));
writer = new OutputStreamWriter(Channels.newOutputStream(socket));
parser.next(); // stream:stream
updateTsRemoteData();
if (!parser.getName().equals("stream:stream")
|| !parser.getAttributeValue(null, "xmlns").equals("jabber:server")
|| !parser.getAttributeValue(null, "xmlns:stream").equals("http://etherx.jabber.org/streams")
|| !parser.getAttributeValue(null, "xmlns:db").equals("jabber:server:dialback")) {
// || !parser.getAttributeValue(null, "version").equals("1.0")
// || !parser.getAttributeValue(null, "to").equals(Main.HOSTNAME)) {
throw new Exception("STREAM FROM ? " + streamID + " INVALID FIRST PACKET");
}
boolean xmppversionnew = parser.getAttributeValue(null, "version") != null;
String openStream = "<?xml version='1.0'?><stream:stream xmlns='jabber:server' " +
"xmlns:stream='http://etherx.jabber.org/streams' xmlns:db='jabber:server:dialback' from='" +
S2SComponent.HOSTNAME + "' id='" + streamID + "' version='1.0'>";
if (xmppversionnew) {
openStream += "<stream:features></stream:features>";
}
sendStanza(openStream);
while (parser.next() != XmlPullParser.END_DOCUMENT) {
updateTsRemoteData();
if (parser.getEventType() != XmlPullParser.START_TAG) {
continue;
}
logParser();
packetsRemote++;
String tag = parser.getName();
if (tag.equals("db:result")) {
String dfrom = parser.getAttributeValue(null, "from");
String to = parser.getAttributeValue(null, "to");
LOGGER.info("STREAM FROM " + dfrom + " TO " + to + " " + streamID + " ASKING FOR DIALBACK");
if (dfrom.endsWith(S2SComponent.HOSTNAME) && (dfrom.equals(S2SComponent.HOSTNAME) || dfrom.endsWith("." + S2SComponent.HOSTNAME))) {
break;
}
if (dfrom != null && to != null && to.equals(S2SComponent.HOSTNAME)) {
String dbKey = XmlUtils.getTagText(parser);
updateTsRemoteData();
ConnectionOut c = S2SComponent.getConnectionOut(dfrom, false);
if (c != null) {
c.sendDialbackVerify(streamID, dbKey);
} else {
c = new ConnectionOut(dfrom, streamID, dbKey);
c.parseStream();
}
} else {
throw new Exception("STREAM FROM " + dfrom + " " + streamID + " DIALBACK RESULT FAIL");
}
} else if (tag.equals("db:verify")) {
String vfrom = parser.getAttributeValue(null, "from");
String vto = parser.getAttributeValue(null, "to");
String vid = parser.getAttributeValue(null, "id");
String vkey = XmlUtils.getTagText(parser);
updateTsRemoteData();
boolean valid = false;
if (vfrom != null && vto != null && vid != null && vkey != null) {
String vkey2 = generateDialbackKey(vfrom, vto, vid);
valid = vkey.equals(vkey2);
}
if (valid) {
sendStanza("<db:verify from='" + vto + "' to='" + vfrom + "' id='" + vid + "' type='valid'/>");
LOGGER.info("STREAM FROM " + vfrom + " " + streamID + " DIALBACK VERIFY VALID");
} else {
sendStanza("<db:verify from='" + vto + "' to='" + vfrom + "' id='" + vid + "' type='invalid'/>");
LOGGER.warning("STREAM FROM " + vfrom + " " + streamID + " DIALBACK VERIFY INVALID");
}
} else if (tag.equals("presence") && checkFromTo(parser)) {
Presence p = Presence.parse(parser, null);
if (p != null && (p.type == null || !p.type.equals(Presence.Type.error))) {
bot.incomingPresence(p);
}
} else if (tag.equals("message") && checkFromTo(parser)) {
updateTsRemoteData();
Message msg = Message.parse(parser, S2SComponent.childParsers);
if (msg != null && (msg.type == null || !msg.type.equals(Message.Type.error))) {
LOGGER.info("STREAM " + streamID + ": " + msg.toString());
if (!bot.incomingMessage(msg)) {
xmpp.send(msg);
}
}
} else if (tag.equals("iq") && checkFromTo(parser)) {
updateTsRemoteData();
String type = parser.getAttributeValue(null, "type");
String xml = XmlUtils.parseToString(parser, true);
if (type == null || !type.equals(Iq.Type.error)) {
LOGGER.info("STREAM " + streamID + ": " + xml);
xmpp.send(xml);
}
} else {
LOGGER.info("STREAM " + streamID + ": " + XmlUtils.parseToString(parser, true));
}
}
LOGGER.warning("STREAM " + streamID + " FINISHED");
S2SComponent.removeConnectionIn(this);
closeConnection();
} catch (EOFException ex) {
LOGGER.info(String.format("STREAM %s CLOSED (dirty)", streamID));
S2SComponent.removeConnectionIn(this);
closeConnection();
} catch (Exception e) {
LOGGER.log(Level.WARNING, "STREAM " + streamID + " ERROR", e);
S2SComponent.removeConnectionIn(this);
closeConnection();
}
}
void updateTsRemoteData() {
tsRemoteData = System.currentTimeMillis();
}
public void sendDialbackResult(String sfrom, String type) {
try {
sendStanza("<db:result from='" + S2SComponent.HOSTNAME + "' to='" + sfrom + "' type='" + type + "'/>");
if (type.equals("valid")) {
from.add(sfrom);
LOGGER.info("STREAM FROM " + sfrom + " " + streamID + " READY");
}
} catch (IOException e) {
LOGGER.warning("STREAM FROM " + sfrom + " " + streamID + " ERROR: " + e.toString());
}
}
boolean checkFromTo(XmlPullParser parser) throws Exception {
String cfrom = parser.getAttributeValue(null, "from");
String cto = parser.getAttributeValue(null, "to");
if (cfrom != null && cto != null && !cfrom.isEmpty() && !cto.isEmpty()) {
JID jidto = new JID(cto);
if (jidto.Host != null && jidto.Username != null && jidto.Host.equals(S2SComponent.HOSTNAME) && jidto.Username.matches("^[a-zA-Z0-9\\-]{2,16}$")) {
JID jidfrom = new JID(cfrom);
int size = from.size();
for (int i = 0; i < size; i++) {
if (from.get(i).equals(jidfrom.Host)) {
return true;
}
}
}
}
return false;
}
}
|
