Files
Purpur/patches/server/0098-UPnP-Port-Forwarding-Service.patch
2020-01-25 02:34:41 -06:00

208 lines
8.0 KiB
Diff

From 8ad191ed672a2729f636aa6dba1474fdabcfb28f Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Wed, 22 Jan 2020 20:13:40 -0600
Subject: [PATCH] UPnP Port Forwarding Service
---
pom.xml | 10 +++++
.../net/minecraft/server/DedicatedServer.java | 25 +++++++++++
.../net/minecraft/server/MinecraftServer.java | 11 +++++
.../java/net/pl3x/purpur/PurpurConfig.java | 5 +++
.../pl3x/purpur/gui/info/ServerInfoPanel.java | 4 ++
.../pl3x/purpur/gui/info/UPnPComponent.java | 45 +++++++++++++++++++
6 files changed, 100 insertions(+)
create mode 100644 src/main/java/net/pl3x/purpur/gui/info/UPnPComponent.java
diff --git a/pom.xml b/pom.xml
index 37ff489db..c886104c5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -94,6 +94,12 @@
<version>1.1.1</version>
<scope>compile</scope>
</dependency>
+ <dependency>
+ <groupId>com.dosse.upnp</groupId>
+ <artifactId>UPnP</artifactId>
+ <version>1.0</version>
+ <scope>compile</scope>
+ </dependency>
<dependency>
<groupId>org.xerial</groupId>
<artifactId>sqlite-jdbc</artifactId>
@@ -132,6 +138,10 @@
<id>spigotmc-public</id>
<url>https://hub.spigotmc.org/nexus/content/groups/public/</url>
</repository>
+ <repository>
+ <id>pl3x</id>
+ <url>https://repo.pl3x.net/</url>
+ </repository>
</repositories>
<pluginRepositories>
diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
index aec6040c8..c04940d0a 100644
--- a/src/main/java/net/minecraft/server/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
@@ -231,6 +231,31 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
return false;
}
+ // Purpur start
+ if (net.pl3x.purpur.PurpurConfig.useUPnP) {
+ LOGGER.info("[UPnP] Attempting to start UPnP port forwarding service...");
+ com.dosse.upnp.UPnP.NAME = "Purpur UPnP";
+ if (com.dosse.upnp.UPnP.isUPnPAvailable()) {
+ if (com.dosse.upnp.UPnP.isMappedTCP(getPort())) {
+ upnp = false;
+ LOGGER.info("[UPnP] Port " + getPort() + " is already open");
+ } else if (com.dosse.upnp.UPnP.openPortTCP(getPort())) {
+ upnp = true;
+ LOGGER.info("[UPnP] Successfully opened port " + getPort());
+ } else {
+ upnp = false;
+ LOGGER.info("[UPnP] Failed to open port " + getPort());
+ }
+ if (upnp) {
+ LOGGER.info("[UPnP] " + com.dosse.upnp.UPnP.getExternalIP() + ":" + getPort());
+ }
+ } else {
+ upnp = false;
+ LOGGER.error("[UPnP] Service is unavailable");
+ }
+ }
+ // Purpur end
+
// CraftBukkit start
// this.a((PlayerList) (new DedicatedPlayerList(this))); // Spigot - moved up
server.loadPlugins();
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 105ac8a04..d36bac5d7 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -181,6 +181,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
public boolean lagging = false; // Purpur
public final SlackActivityAccountant slackActivityAccountant = new SlackActivityAccountant();
// Spigot end
+ protected boolean upnp = false; public boolean isUPnPEnabled() { return upnp; }
public MinecraftServer(OptionSet options, Proxy proxy, DataFixer datafixer, CommandDispatcher commanddispatcher, YggdrasilAuthenticationService yggdrasilauthenticationservice, MinecraftSessionService minecraftsessionservice, GameProfileRepository gameprofilerepository, UserCache usercache, WorldLoadListenerFactory worldloadlistenerfactory, String s) {
super("Server");
@@ -791,6 +792,16 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
}
// Spigot end
com.destroystokyo.paper.io.PaperFileIOThread.Holder.INSTANCE.close(true, true); // Paper
+
+ // Purpur start
+ if (upnp) {
+ if (com.dosse.upnp.UPnP.closePortTCP(getPort())) {
+ LOGGER.info("[UPnP] Port " + getPort() + " closed");
+ } else {
+ LOGGER.error("[UPnP] Failed to close port " + getPort());
+ }
+ }
+ // Purpur end
}
public String getServerIp() {
diff --git a/src/main/java/net/pl3x/purpur/PurpurConfig.java b/src/main/java/net/pl3x/purpur/PurpurConfig.java
index 544c68b0d..917f6503d 100644
--- a/src/main/java/net/pl3x/purpur/PurpurConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurConfig.java
@@ -137,6 +137,11 @@ public class PurpurConfig {
return config.getString(path, config.getString(path));
}
+ public static boolean useUPnP = false;
+ private static void upnpSettings() {
+ useUPnP = getBoolean("settings.upnp-port-forwarding", useUPnP);
+ }
+
public static double laggingThreshold = 19.0D;
private static void tickLoopSettings() {
laggingThreshold = getDouble("settings.lagging-threshold", laggingThreshold);
diff --git a/src/main/java/net/pl3x/purpur/gui/info/ServerInfoPanel.java b/src/main/java/net/pl3x/purpur/gui/info/ServerInfoPanel.java
index c4519794c..2d9d1859d 100644
--- a/src/main/java/net/pl3x/purpur/gui/info/ServerInfoPanel.java
+++ b/src/main/java/net/pl3x/purpur/gui/info/ServerInfoPanel.java
@@ -11,6 +11,7 @@ public class ServerInfoPanel extends JPanel {
private final Timer timer;
private final RAMGraph ramGraph;
private final RAMDetails ramDetails;
+ private final UPnPComponent upnpComponent;
public ServerInfoPanel(MinecraftServer server) {
super(new BorderLayout());
@@ -19,13 +20,16 @@ public class ServerInfoPanel extends JPanel {
ramGraph = new RAMGraph();
ramDetails = new RAMDetails(server);
+ upnpComponent = new UPnPComponent(server);
add(ramGraph, "North");
add(ramDetails, "Center");
+ add(upnpComponent, "South");
timer = new Timer(500, (event) -> {
ramGraph.update();
ramDetails.update(ramGraph);
+ upnpComponent.repaint();
});
timer.start();
}
diff --git a/src/main/java/net/pl3x/purpur/gui/info/UPnPComponent.java b/src/main/java/net/pl3x/purpur/gui/info/UPnPComponent.java
new file mode 100644
index 000000000..af6a7e18f
--- /dev/null
+++ b/src/main/java/net/pl3x/purpur/gui/info/UPnPComponent.java
@@ -0,0 +1,45 @@
+package net.pl3x.purpur.gui.info;
+
+import net.minecraft.server.MinecraftServer;
+import net.pl3x.purpur.PurpurConfig;
+
+import javax.swing.JTextPane;
+import javax.swing.border.EmptyBorder;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics;
+
+public class UPnPComponent extends JTextPane {
+ private final MinecraftServer server;
+
+ UPnPComponent(MinecraftServer server) {
+ this.server = server;
+ setBorder(new EmptyBorder(0, 30, 0, 10));
+ setText("UPnP Status");
+ setOpaque(false);
+ }
+
+ @Override
+ public Dimension getPreferredSize() {
+ return new Dimension(350, 20);
+ }
+
+ @Override
+ public void paint(Graphics graphics) {
+ super.paint(graphics);
+ graphics.setColor(server.isUPnPEnabled() ? Color.GREEN : Color.RED);
+ graphics.fillOval(10, 0, 15, 15);
+ setToolTipText(getTooltip());
+ }
+
+ private String getTooltip() {
+ if (!PurpurConfig.useUPnP) {
+ return "UPnP Disabled";
+ }
+ if (server.isUPnPEnabled()) {
+ return "UPnP Enabled";
+ } else {
+ return "UPnP Unavailable";
+ }
+ }
+}
--
2.24.0