set favicon server

build.gradle

@@ -26,6 +26,7 @@ ext {
             netty: ['io.netty:netty-all:4.1.22.Final'],
             slf4j: ["org.slf4j:slf4j-api:$slf4j_version",
                     "org.slf4j:jcl-over-slf4j:$slf4j_version"],
+            commons: ['commons-io:commons-io:2.6']
     ]
 }
 
@@ -41,5 +42,6 @@ dependencies {
     /* COMPONENTS */
     implementation library.guice
     implementation library.netty
+    implementation library.commons
     implementation project(':protocol')
 }

src/main/java/mc/server/network/impl/handler/StatusHandler.java

@@ -1,21 +1,24 @@
 package mc.server.network.impl.handler;
 
-import com.google.inject.Inject;
 import io.netty.channel.ChannelHandlerContext;
-import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import mc.protocol.ProtocolConstant;
 import mc.protocol.dto.ServerInfo;
 import mc.protocol.status.client.StatusServerRequest;
 import mc.protocol.status.server.StatusServerResponse;
 import mc.protocol.text.Text;
+import org.apache.commons.io.IOUtils;
+
+import java.io.IOException;
+import java.util.Base64;
 
 @Slf4j
-@RequiredArgsConstructor(onConstructor = @__({ @Inject }))
 public class StatusHandler extends AbstractPacketHandler<StatusServerRequest> {
 
+    private static final String FAVICON_HEADER = "data:image/png;base64,";
+
     @Override
-    protected void channelRead1(ChannelHandlerContext ctx, StatusServerRequest packet) {
+    protected void channelRead1(ChannelHandlerContext ctx, StatusServerRequest packet) throws Exception {
         log.info("{}", packet);
 
         final ServerInfo.Version version = new ServerInfo.Version();
@@ -25,10 +28,16 @@ public class StatusHandler extends AbstractPacketHandler<StatusServerRequest> {
         final ServerInfo serverInfo = new ServerInfo();
         serverInfo.setVersion(version);
         serverInfo.setDescription(Text.of("MC-SERVER 1.8.8"));
+        serverInfo.setFaviconBase64(getEmbeddedIconBase64());
 
         StatusServerResponse response = new StatusServerResponse();
         response.setServerInfoDto(serverInfo);
 
         ctx.channel().writeAndFlush(response);
     }
+
+    private String getEmbeddedIconBase64() throws IOException {
+        return FAVICON_HEADER + Base64.getEncoder()
+                .encodeToString(IOUtils.toByteArray(getClass().getResourceAsStream("/icon.png")));
+    }
 }