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Minecon724 2024-12-13 20:05:11 +01:00
parent f07237d1d8
commit 9c88395e7d
Signed by: Minecon724
GPG key ID: 3CCC4D267742C8E8
16 changed files with 278 additions and 61 deletions
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24
.forgejo/workflows/build.yml Normal file
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@ -0,0 +1,24 @@
on: [push]
jobs:
deploy:
runs-on: docker
container: debian:sid
steps:
- name: Prepare for installation
run: apt update
- name: Install JDK and other deps
run: apt install --no-install-recommends -y openjdk-21-jdk-headless git nodejs
- name: Clone repository
run: git clone https://git.m724.eu/Minecon724/projetc3.git .
- name: Build
run: mvn clean package
- name: Upload artifacts
uses: https://github.com/actions/upload-artifact@v3
with:
path: |
target/*-client.jar
target/*-server.jar

46
pom.xml
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@ -33,24 +33,48 @@
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.6.0</version>
<configuration>
<createDependencyReducedPom>false</createDependencyReducedPom>
<minimizeJar>true</minimizeJar>
<filters>
<filter>
<artifact>**</artifact>
<excludes>
<exclude>module-info.class</exclude>
<exclude>META-INF/</exclude>
</excludes>
</filter>
</filters>
</configuration>
<executions>
<execution>
<id>shade-server</id>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<createDependencyReducedPom>false</createDependencyReducedPom>
<minimizeJar>true</minimizeJar>
<filters>
<filter>
<artifact>**</artifact>
<excludes>
<exclude>module-info.class</exclude>
<exclude>META-INF/</exclude>
</excludes>
</filter>
</filters>
<finalName>${project.artifactId}-${project.version}-server</finalName>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>eu.m724.autopeerer.server.Main</mainClass>
</transformer>
</transformers>
</configuration>
</execution>
<execution>
<id>shade-client</id>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<finalName>${project.artifactId}-${project.version}-client</finalName>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>eu.m724.autopeerer.client.Main</mainClass>
</transformer>
</transformers>
</configuration>
</execution>
</executions>

15
src/main/java/eu/m724/autopeerer/client/Main.java
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@ -6,11 +6,22 @@ public class Main {
public static void main(String[] args) throws InterruptedException {
System.out.println("Hello world!");
URI serverUri = URI.create("wss://echo.websocket.org/");
URI serverUri = URI.create("ws://127.0.0.1:8002");
var packetHandler = new PacketHandler();
var client = new MyWebsocketClient(serverUri, packetHandler);
client.connectBlocking();
var delay = 1000;
while (true) {
var success = client.connectBlocking();
System.out.println("Reconnecting");
if (success) {
delay = 1000;
} else {
delay *= 2;
Thread.sleep(delay);
}
}
}
}

16
src/main/java/eu/m724/autopeerer/client/MyWebsocketClient.java
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@ -1,16 +1,9 @@
package eu.m724.autopeerer.client;
import eu.m724.autopeerer.packet.Packets;
import eu.m724.autopeerer.packet.client.PingRequestPacket;
import eu.m724.autopeerer.packet.client.SessionRequestPacket;
import inet.ipaddr.IPAddressString;
import inet.ipaddr.ipv6.IPv6Address;
import org.java_websocket.client.WebSocketClient;
import org.java_websocket.handshake.ServerHandshake;
import java.net.InetAddress;
import java.net.URI;
import java.net.UnknownHostException;
import java.nio.ByteBuffer;
public class MyWebsocketClient extends WebSocketClient {
@ -33,15 +26,6 @@ public class MyWebsocketClient extends WebSocketClient {
public void onOpen(ServerHandshake serverHandshake) {
double connectTime = (System.nanoTime() - connectStart) / 1000000.0;
System.out.printf("Connected in %.3f ms\n", connectTime);
try {
send(Packets.compose(new PingRequestPacket((short)1, InetAddress.getByName("1.1.1.3"))));
send(Packets.compose(new PingRequestPacket((short)2, InetAddress.getByName("1.1.1.1"))));
send(Packets.compose(new SessionRequestPacket((short)1, (IPv6Address) new IPAddressString("fefe::fefe").getAddress(), "sAt8JSXW4leihcAAdsghsfgFWkO5stBZJm87PGLZFXY=", "example.com", 6823)));
} catch (UnknownHostException e) {
throw new RuntimeException(e);
}
}
@Override

15
src/main/java/eu/m724/autopeerer/client/PacketHandler.java
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@ -2,11 +2,12 @@ package eu.m724.autopeerer.client;
import eu.m724.autopeerer.client.wireguard.WireGuardLive;
import eu.m724.autopeerer.client.wireguard.WireGuardSession;
import eu.m724.autopeerer.packet.*;
import eu.m724.autopeerer.packet.client.PingRequestPacket;
import eu.m724.autopeerer.packet.client.SessionRequestPacket;
import eu.m724.autopeerer.packet.server.PingResponsePacket;
import eu.m724.autopeerer.packet.server.SessionResponsePacket;
import eu.m724.autopeerer.common.packet.Packet;
import eu.m724.autopeerer.common.packet.Packets;
import eu.m724.autopeerer.common.packet.client.PingRequestPacket;
import eu.m724.autopeerer.common.packet.client.SessionRequestPacket;
import eu.m724.autopeerer.common.packet.server.PingResponsePacket;
import eu.m724.autopeerer.common.packet.server.SessionResponsePacket;
import java.io.BufferedReader;
import java.io.File;
@ -80,7 +81,7 @@ public class PacketHandler {
}
System.out.printf("Ping request #%d to %s - %s avg %.3f / mdev %.3f ms\n", packet.requestId, packet.target.getHostAddress(), status, average, meanDeviation);
sender.accept(new PingResponsePacket(packet.requestId, status, average, meanDeviation).serialize());
Packets.send(new PingResponsePacket(packet.requestId, status, average, meanDeviation), sender);
});
}
@ -89,7 +90,7 @@ public class PacketHandler {
try {
wireGuardLive.saveSession(packet.sessionId, session);
} catch (IOException e) {
// sender.accept(new SessionResponsePacket(packet.sessionId, ));
Packets.send(new SessionResponsePacket(packet.sessionId, SessionResponsePacket.SessionResult.ERROR, -1, null), sender);
throw new RuntimeException(e);
}
}

17
src/main/java/eu/m724/autopeerer/common/packet/Packet.java Normal file
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@ -0,0 +1,17 @@
package eu.m724.autopeerer.common.packet;
import java.nio.ByteBuffer;
import java.util.function.Consumer;
public interface Packet<T extends Packet<T>> {
byte getId();
//T deserialize(ByteArrayInputStream inputStream) throws IOException;
/**
* Serialize the packet's DATA into a ByteBuffer<br>
* DON'T USE THIS TO SEND, USE {@link Packets#send(Packet, Consumer)} INSTEAD
* @return the DATA in a ByteBuffer
*/
ByteBuffer serialize();
}

16
src/main/java/eu/m724/autopeerer/packet/Packets.java → src/main/java/eu/m724/autopeerer/common/packet/Packets.java
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@ -1,11 +1,12 @@
package eu.m724.autopeerer.packet;
package eu.m724.autopeerer.common.packet;
import eu.m724.autopeerer.packet.client.PingRequestPacket;
import eu.m724.autopeerer.packet.client.SessionRequestPacket;
import eu.m724.autopeerer.packet.server.PingResponsePacket;
import eu.m724.autopeerer.packet.server.SessionResponsePacket;
import eu.m724.autopeerer.common.packet.client.PingRequestPacket;
import eu.m724.autopeerer.common.packet.client.SessionRequestPacket;
import eu.m724.autopeerer.common.packet.server.PingResponsePacket;
import eu.m724.autopeerer.common.packet.server.SessionResponsePacket;
import java.nio.ByteBuffer;
import java.util.function.Consumer;
public class Packets {
public static Packet<?> parseClient(ByteBuffer buffer) throws Exception {
@ -47,4 +48,9 @@ public class Packets {
return bb;
}
public static void send(Packet<?> packet, Consumer<ByteBuffer> sender) {
sender.accept(compose(packet));
}
}

4
src/main/java/eu/m724/autopeerer/packet/client/PingRequestPacket.java → src/main/java/eu/m724/autopeerer/common/packet/client/PingRequestPacket.java
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@ -1,6 +1,6 @@
package eu.m724.autopeerer.packet.client;
package eu.m724.autopeerer.common.packet.client;
import eu.m724.autopeerer.packet.Packet;
import eu.m724.autopeerer.common.packet.Packet;
import java.net.Inet6Address;
import java.net.InetAddress;

4
src/main/java/eu/m724/autopeerer/packet/client/SessionRequestPacket.java → src/main/java/eu/m724/autopeerer/common/packet/client/SessionRequestPacket.java
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@ -1,6 +1,6 @@
package eu.m724.autopeerer.packet.client;
package eu.m724.autopeerer.common.packet.client;
import eu.m724.autopeerer.packet.Packet;
import eu.m724.autopeerer.common.packet.Packet;
import inet.ipaddr.HostName;
import inet.ipaddr.HostNameException;
import inet.ipaddr.IPAddressString;

6
src/main/java/eu/m724/autopeerer/packet/server/PingResponsePacket.java → src/main/java/eu/m724/autopeerer/common/packet/server/PingResponsePacket.java
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@ -1,6 +1,6 @@
package eu.m724.autopeerer.packet.server;
package eu.m724.autopeerer.common.packet.server;
import eu.m724.autopeerer.packet.Packet;
import eu.m724.autopeerer.common.packet.Packet;
import java.nio.ByteBuffer;
@ -38,7 +38,7 @@ public class PingResponsePacket implements Packet<PingResponsePacket> {
@Override
public ByteBuffer serialize() {
var bb = ByteBuffer.allocate(9);
var bb = ByteBuffer.allocate(10);
bb.putShort(requestId);
switch (status) {
case OK -> {

6
src/main/java/eu/m724/autopeerer/packet/server/SessionResponsePacket.java → src/main/java/eu/m724/autopeerer/common/packet/server/SessionResponsePacket.java
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@ -1,6 +1,6 @@
package eu.m724.autopeerer.packet.server;
package eu.m724.autopeerer.common.packet.server;
import eu.m724.autopeerer.packet.Packet;
import eu.m724.autopeerer.common.packet.Packet;
import java.nio.ByteBuffer;
import java.util.Base64;
@ -58,7 +58,7 @@ public class SessionResponsePacket implements Packet<SessionResponsePacket> {
return buffer;
}
enum SessionResult {
public enum SessionResult {
OK, ERROR
}
}

10
src/main/java/eu/m724/autopeerer/packet/Packet.java
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@ -1,10 +0,0 @@
package eu.m724.autopeerer.packet;
import java.nio.ByteBuffer;
public interface Packet<T extends Packet<T>> {
byte getId();
//T deserialize(ByteArrayInputStream inputStream) throws IOException;
ByteBuffer serialize();
}

25
src/main/java/eu/m724/autopeerer/server/ClientState.java Normal file
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@ -0,0 +1,25 @@
package eu.m724.autopeerer.server;
import eu.m724.autopeerer.common.packet.Packet;
import eu.m724.autopeerer.common.packet.Packets;
import org.java_websocket.WebSocket;
import java.nio.ByteBuffer;
import java.util.function.Consumer;
public class ClientState {
public final int clientId;
public final WebSocket socket;
private final Consumer<ByteBuffer> sender;
public ClientState(int clientId, WebSocket socket) {
this.clientId = clientId;
this.socket = socket;
this.sender = socket::send;
}
void send(Packet<?> packet) {
Packets.send(packet, sender);
}
}

13
src/main/java/eu/m724/autopeerer/server/Main.java Normal file
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@ -0,0 +1,13 @@
package eu.m724.autopeerer.server;
public class Main {
public static void main(String[] args) {
System.out.println("Hello world!");
var packetHandler = new PacketHandler();
var client = new MyWebsocketServer(packetHandler);
client.setDaemon(false);
client.start();
}
}

76
src/main/java/eu/m724/autopeerer/server/MyWebsocketServer.java Normal file
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@ -0,0 +1,76 @@
package eu.m724.autopeerer.server;
import eu.m724.autopeerer.common.packet.client.PingRequestPacket;
import eu.m724.autopeerer.common.packet.client.SessionRequestPacket;
import inet.ipaddr.IPAddressString;
import org.java_websocket.WebSocket;
import org.java_websocket.handshake.ClientHandshake;
import org.java_websocket.server.WebSocketServer;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.Map;
public class MyWebsocketServer extends WebSocketServer {
private final PacketHandler packetHandler;
private final Map<WebSocket, ClientState> states = new HashMap<>();
private int id = 0;
public MyWebsocketServer(PacketHandler packetHandler) {
super(new InetSocketAddress("127.0.0.1", 8002));
this.setReuseAddr(true);
this.packetHandler = packetHandler;
}
@Override
public void onOpen(WebSocket conn, ClientHandshake handshake) {
var state = new ClientState(++id, conn);
states.put(conn, state);
System.out.printf("[%d] Connected: %s\n", id, conn.getRemoteSocketAddress().getHostString());
// TODO testing
try {
state.send(new PingRequestPacket((short) 1, InetAddress.getByName("1.1.1.1")));
state.send(new PingRequestPacket((short) 2, InetAddress.getByName("1.1.1.2")));
state.send(new SessionRequestPacket(
(short) 1,
new IPAddressString("fe80::dead:fed").getAddress().toIPv6(),
"somepk",
"end.point",
51820
));
} catch (UnknownHostException e) {
throw new RuntimeException(e);
}
}
@Override
public void onClose(WebSocket conn, int code, String reason, boolean remote) {
var state = states.remove(conn);
System.out.printf("[%d] Disconnected: %s\n", state.clientId, conn.getRemoteSocketAddress().getHostString());
}
@Override
public void onMessage(WebSocket conn, ByteBuffer message) {
packetHandler.handle(states.get(conn), message);
}
@Override
public void onError(WebSocket conn, Exception ex) {
ex.printStackTrace();
}
@Override
public void onStart() {
System.out.printf("Websocket server started on %s:%d\n", getAddress().getHostString(), getPort());
}
@Override
public void onMessage(WebSocket conn, String message) {
}
}

46
src/main/java/eu/m724/autopeerer/server/PacketHandler.java Normal file
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@ -0,0 +1,46 @@
package eu.m724.autopeerer.server;
import eu.m724.autopeerer.common.packet.Packet;
import eu.m724.autopeerer.common.packet.Packets;
import eu.m724.autopeerer.common.packet.server.PingResponsePacket;
import eu.m724.autopeerer.common.packet.server.SessionResponsePacket;
import java.nio.BufferUnderflowException;
import java.nio.ByteBuffer;
import java.util.Base64;
public class PacketHandler {
void handle(ClientState state, ByteBuffer bytes) {
// TODO this is not safe but enough for now
Packet<?> p;
try {
p = Packets.parseServer(bytes);
} catch (BufferUnderflowException e) {
bytes.rewind();
byte[] bytez = new byte[bytes.remaining()];
bytes.get(bytez);
System.err.println("Received too short packet");
System.err.println("> Length: " + bytez.length);
System.err.println("> Packet: " + Base64.getEncoder().encodeToString(bytez));
return;
} catch (Exception e) {
throw new RuntimeException(e);
}
if (p instanceof PingResponsePacket packet) {
handlePingResponse(state, packet);
} else if (p instanceof SessionResponsePacket packet) {
handleSessionResponse(state, packet);
}
}
private void handlePingResponse(ClientState state, PingResponsePacket packet) {
System.out.printf("[%d] Ping response #%d: %s avg %.3f / mdev %.3f ms\n", state.clientId, packet.requestId, packet.status, packet.average, packet.meanDeviation);
}
private void handleSessionResponse(ClientState state, SessionResponsePacket packet) {
System.out.printf("[%d] Session response #%d: %s\n", state.clientId, packet.sessionId, packet.result);
}
}