finish!

.gitignore

@@ -1,6 +1,7 @@
 # intellji idea
 
 /.idea
+*.iml
 
 # java stuff
 

pom.xml

@@ -4,8 +4,8 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>net.glomc.networking</groupId>
-    <artifactId>SpigotNebulaVpn</artifactId>
+    <groupId>net.limework.networking</groupId>
+    <artifactId>AppleTunneler</artifactId>
     <version>1.0-SNAPSHOT</version>
 
     <properties>
@@ -13,4 +13,58 @@
         <maven.compiler.target>17</maven.compiler.target>
     </properties>
 
+    <build>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.3.1-SNAPSHOT</version>
+                    <configuration>
+                        <createDependencyReducedPom>false</createDependencyReducedPom>
+                    </configuration>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>spigot-repo</id>
+            <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.github.mwiede</groupId>
+            <artifactId>jsch</artifactId>
+            <version>0.1.72</version>
+        </dependency>
+        <!--
+        <dependency>
+            <groupId>com.jcraft</groupId>
+            <artifactId>jsch</artifactId>
+            <version>0.1.55</version>
+        </dependency>
+        !-->
+        <dependency>
+            <groupId>org.spigotmc</groupId>
+            <artifactId>spigot-api</artifactId>
+            <version>1.18.1-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
 </project>

src/main/java/net/limework/networking/AppleTunneler.java

@@ -0,0 +1,109 @@
+package net.limework.networking;
+
+import com.jcraft.jsch.JSch;
+import com.jcraft.jsch.JSchException;
+import com.jcraft.jsch.Session;
+import org.bukkit.plugin.java.JavaPlugin;
+import org.bukkit.scheduler.BukkitRunnable;
+
+import java.io.File;
+
+public class AppleTunneler extends JavaPlugin {
+
+    private Session sshSession;
+    private final JSch jsch = new JSch();
+
+    private synchronized void createNewConnection() throws JSchException {
+        if (sshSession != null) {
+            sshSession.disconnect();
+        }
+        java.util.Properties config = new java.util.Properties();
+        config.put("StrictHostKeyChecking", "no");
+        sshSession = jsch.getSession(getUsername(), getHost(), getPort());
+        sshSession.setConfig(config);
+        sshSession.connect(2000);
+        loadRemoteToLocalPortForwarding();
+    }
+
+    private void connectionFailedLog(JSchException exception) {
+        getLogger().severe("==========================");
+        getLogger().severe("failed to start a connection");
+        exception.printStackTrace();
+        getLogger().severe("==========================");
+
+    }
+
+    private void loadIds() throws JSchException {
+        File file = new File(getDataFolder(), "Identities");
+        if (file.mkdir()) {
+            getLogger().info("created Identities folder.");
+        }
+        File[] files = file.listFiles();
+
+        if (files == null) {
+            return;
+        }
+        if (files.length == 0) {
+            getLogger().warning("no Identities files found, please put them in " + file.getPath());
+            throw new RuntimeException("no Identities files found");
+        }
+        for (File id : files) {
+            jsch.addIdentity(id.getPath());
+        }
+    }
+
+    private void loadRemoteToLocalPortForwarding() throws JSchException {
+        for (String line : getConfig().getStringList("ports")) {
+            String[] array = line.split(":");
+            sshSession.setPortForwardingL(Integer.parseInt(array[0]), array[1], Integer.parseInt(array[2]));
+        }
+    }
+
+    @Override
+    public void onEnable() {
+        this.saveDefaultConfig();
+        try {
+            loadIds();
+        } catch (JSchException e) {
+            throw new RuntimeException(e);
+        }
+        try {
+            createNewConnection();
+        } catch (JSchException e) {
+            connectionFailedLog(e);
+        }
+        new BukkitRunnable() {
+            private boolean isConnecting = false;
+
+            @Override
+            public void run() {
+                if (isConnecting) {
+                    return;
+                }
+                if (!sshSession.isConnected()) {
+                    isConnecting = true;
+                    try {
+                        createNewConnection();
+                    } catch (JSchException e) {
+                        connectionFailedLog(e);
+                    }
+                    isConnecting = false;
+                }
+            }
+        }.runTaskTimerAsynchronously(this, 0, 20);
+
+    }
+
+    private int getPort() {
+        return this.getConfig().getInt("port");
+    }
+
+    private String getUsername() {
+        return this.getConfig().getString("username");
+    }
+
+    private String getHost() {
+        return this.getConfig().getString("host");
+    }
+
+}

src/main/resources/config.yml

@@ -0,0 +1,13 @@
+# welcome to the config of ${project.artifactId}
+
+# username for ssh
+username: apple
+# host eg: domains can be used.
+host: 192.168.0.100
+# port
+port: 22
+
+# Syntax is "local-port:remote-host:remote-port"
+ports:
+  - "25565:127.0.0.1:25565"
+

src/main/resources/plugin.yml

@@ -0,0 +1,4 @@
+main: net.limework.networking.AppleTunneler
+version: ${project.version}
+name: ${project.artifactId}
+api-version: 1.13