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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
package net.mcserverlist.bukkit;
import com.earth2me.essentials.Essentials;
import java.io.*;
import java.net.*;
import java.util.logging.*;
import org.bukkit.*;
import org.bukkit.entity.*;
import org.bukkit.event.player.*;
public class McslPlayerListener extends PlayerListener
{
private final static Logger logger = Logger.getLogger("Minecraft");
private boolean running = true;
private final Server server;
private Thread thread;
private Whitelist whitelist = null;
private volatile boolean updateNeeded = true;
@SuppressWarnings("CallToThreadStartDuringObjectConstruction")
public McslPlayerListener(Mcsl parent)
{
this.server = parent.getServer();
// Get the data from the server.properties file as the server sees it, rather than reading it manually
try
{
this.whitelist = new Whitelist(server);
}
catch (Throwable ex)
{
// Disable the plugin
logger.log(Level.WARNING, "Error encountered while initializing MCServerlist plugin.", ex);
parent.getPluginLoader().disablePlugin(parent);
return;
}
// Run Update on a set interval of 1 minute with an initial delay of 10 seconds
thread = new Thread(new UpdateRunnable());
thread.setDaemon(true);
thread.start();
}
@Override
@SuppressWarnings("FinalizeDeclaration")
protected void finalize() throws Throwable
{
// Stop the timer
if (thread != null && thread.isAlive())
{
running = false;
thread.join();
}
super.finalize();
}
@Override
public void onPlayerLogin(PlayerLoginEvent event)
{
if (event.getResult() != PlayerLoginEvent.Result.ALLOWED)
return;
Player player = event.getPlayer();
// Check the whitelist
if (!Essentials.getSettings().getWhitelistEnabled() || player.isOp() || whitelist == null || whitelist.isAllowed(player.getName()))
{
// Player is an op, there is no whitelist, or the player is whitelisted.
return;
}
// Player is not whitelisted.
event.disallow(PlayerLoginEvent.Result.KICK_OTHER, "This server employs a whitelist.");
}
@Override
public void onPlayerJoin(PlayerEvent event)
{
update();
}
@Override
public void onPlayerQuit(PlayerEvent event)
{
update();
}
public boolean isWhitelistEnabled()
{
return whitelist != null;
}
public void whitelistReload()
{
whitelist.update();
}
public void update()
{
updateNeeded = true;
}
private class UpdateRunnable implements Runnable
{
@SuppressWarnings("SleepWhileInLoop")
public void run()
{
do
{
if (updateNeeded)
{
updateNeeded = false;
update();
}
try
{
Thread.sleep(60000);
}
catch (InterruptedException ex)
{
logger.info("Forcing MCServerlist update.");
}
}
while (running);
}
@SuppressWarnings("CallToThreadDumpStack")
public void update()
{
// Check that we aren't receiving an event inappropriately
if (Essentials.getSettings().getMcslKey() == null || Essentials.getSettings().getMcslKey().equals("")) return;
// Compile a comma-space-delimted list of players
Player[] players = server.getOnlinePlayers();
StringBuilder list = new StringBuilder();
if (players.length > 0)
{
for (int i = 0; i < players.length; i++)
{
if (i > 0) list.append(", ");
list.append(players[i].getName());
}
}
try
{
// Compile POST data
StringBuilder data = new StringBuilder();
data.append("key=");
data.append(URLEncoder.encode(Essentials.getSettings().getMcslKey(), "UTF-8"));
data.append("&player_count=");
data.append(Integer.toString(players.length));
data.append("&max_players=");
data.append(Integer.toString(server.getMaxPlayers()));
data.append("&player_list=");
data.append(URLEncoder.encode(list.toString(), "UTF-8"));
OutputStreamWriter tx = null;
BufferedReader rx = null;
try
{
// Send POST request
URL url = new URL("http://mcserverlist.net/api/update");
// Swap line for testing purposes
//URL url = new URL("http://localhost/mcsl/update.php");
HttpURLConnection http = (HttpURLConnection)url.openConnection();
http.setRequestMethod("POST");
http.setUseCaches(false);
http.setConnectTimeout(1000);
http.setAllowUserInteraction(false);
http.setInstanceFollowRedirects(true);
http.setRequestProperty("User-Agent", "Java;Mcsl");
http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
http.setRequestProperty("X-Mcsl-Key", Essentials.getSettings().getMcslKey());
http.setRequestProperty("X-Minecraft-Name", URLEncoder.encode(server.getName(), "UTF-8"));
http.setRequestProperty("X-Minecraft-Version", server.getVersion());
http.setDoInput(true);
http.setDoOutput(true);
tx = new OutputStreamWriter(http.getOutputStream());
tx.write(data.toString());
tx.flush();
// Get the HTTP response
rx = new BufferedReader(new InputStreamReader(http.getInputStream()));
for (String l = ""; rx.ready(); l = rx.readLine())
{
if ("".equals(l)) continue;
else if (l.startsWith("i:")) logger.info(l.substring(2));
else if (l.startsWith("w:")) logger.warning(l.substring(2));
else System.out.println(l);
}
}
finally
{
if (tx != null) tx.close();
if (rx != null) rx.close();
}
}
catch (Exception ex)
{
logger.log(Level.WARNING, "Error communication with MCServerlist.", ex);
ex.printStackTrace();
}
}
}
}
|
