добавлен значок сервера

libs.gradle

@@ -16,7 +16,8 @@ ext {
             netty      : 'io.netty:netty-all:4.1.22.Final',
             reactor    : 'io.projectreactor:reactor-core:3.4.5',
             yaml       : 'org.yaml:snakeyaml:1.28',
-            json       : 'com.eclipsesource.minimal-json:minimal-json:0.9.5'
+            json       : 'com.eclipsesource.minimal-json:minimal-json:0.9.5',
+            ioutils    : 'commons-io:commons-io:2.6'
     ]
 
     libs.logger = [

protocol/src/main/java/mc/protocol/packets/server/StatusServerResponse.java

@@ -48,6 +48,8 @@ import java.util.stream.Collector;
  *     "favicon": "data:image/png;base64,<data>"
  * }
  * </pre>
+ *
+ * <p><code>`$.favicon`</code> должен быть формата PNG и размеры 64x64 px</p>
  */
 @Data
 public class StatusServerResponse implements ServerSidePacket {
@@ -59,11 +61,16 @@ public class StatusServerResponse implements ServerSidePacket {
 
 	@Override
 	public void writeSelf(NetByteBuf netByteBuf) {
-		netByteBuf.writeString(Json.object()
+		JsonObject jsonObject = Json.object()
 				.add("version", createVersionObj())
 				.add("players", createPlayersObj())
-				.add("description", Json.object().add("text", info.description()))
-				.toString());
+				.add("description", Json.object().add("text", info.description()));
+
+		if (info.favicon() != null && !info.favicon().isEmpty()) {
+			jsonObject.add("favicon", info.favicon());
+		}
+
+		netByteBuf.writeString(jsonObject.toString());
 	}
 
 	private JsonObject createVersionObj() {

server/build.gradle

@@ -20,4 +20,5 @@ dependencies {
     implementation libs.reactor
     implementation libs.guava
     implementation libs.yaml
+    implementation libs.ioutils
 }

server/src/main/java/mc/server/Main.java

@@ -14,8 +14,13 @@ import mc.server.config.Config;
 import mc.server.di.ConfigModule;
 import mc.server.di.DaggerServerComponent;
 import mc.server.di.ServerComponent;
+import org.apache.commons.io.IOUtils;
 
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.Base64;
 import java.util.Collections;
 
 @Slf4j
@@ -58,6 +63,10 @@ public class Main {
 					serverInfo.players().sample(Collections.emptyList());
 					serverInfo.description(config.motd());
 
+					if (config.iconPath() != null) {
+						serverInfo.favicon(faviconToBase64(config.iconPath()));
+					}
+
 					StatusServerResponse response = new StatusServerResponse();
 					response.setInfo(serverInfo);
 
@@ -75,4 +84,15 @@ public class Main {
 
 		server.bind(config.server().host(), config.server().port());
 	}
+
+	private static String faviconToBase64(Path iconPath) {
+		try {
+			return "data:image/png;base64," +
+					Base64.getEncoder().encodeToString(
+							IOUtils.toByteArray(Files.newInputStream(iconPath)));
+		} catch (IOException e) {
+			log.error("Can't read icon '{}'", iconPath.toAbsolutePath(), e);
+			return "";
+		}
+	}
 }

server/src/main/resources/config.yml

@@ -9,5 +9,5 @@ players:
   online: 0
 
 icon:
-  enable: false
-  path: favicon.png
+  enable: true
+  path: src/main/resources/favicon.png