etags attempt #2

src/main/java/xyz/mcutils/backend/Main.java

@@ -12,8 +12,6 @@ import java.net.http.HttpClient;
 import java.nio.file.Files;
 import java.nio.file.StandardCopyOption;
 import java.util.Objects;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 
 @Log4j2
 @SpringBootApplication

src/main/java/xyz/mcutils/backend/config/Config.java

@@ -6,9 +6,11 @@ import lombok.NonNull;
 import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.env.Environment;
+import org.springframework.web.filter.ShallowEtagHeaderFilter;
 import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
@@ -28,6 +30,14 @@ public class Config {
         INSTANCE = this;
     }
 
+    @Bean
+    public FilterRegistrationBean<ShallowEtagHeaderFilter> shallowEtagHeaderFilter() {
+        FilterRegistrationBean<ShallowEtagHeaderFilter> filterRegistrationBean = new FilterRegistrationBean<>(new ShallowEtagHeaderFilter());
+        filterRegistrationBean.addUrlPatterns("/*");
+        filterRegistrationBean.setName("etagFilter");
+        return filterRegistrationBean;
+    }
+
     @Bean
     public WebMvcConfigurer configureCors() {
         return new WebMvcConfigurer() {

src/main/java/xyz/mcutils/backend/controller/MojangController.java

@@ -29,7 +29,6 @@ public class MojangController {
 
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(1, TimeUnit.MINUTES).cachePublic())
-                .eTag(String.valueOf(status.hashCode()))
                 .body(status);
     }
 }

src/main/java/xyz/mcutils/backend/controller/PlayerController.java

@@ -35,7 +35,6 @@ public class PlayerController {
 
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(1, TimeUnit.HOURS).cachePublic())
-                .eTag(String.valueOf(player.hashCode()))
                 .body(player);
     }
 
@@ -47,7 +46,6 @@ public class PlayerController {
 
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(6, TimeUnit.HOURS).cachePublic())
-                .eTag(String.valueOf(player.hashCode()))
                 .body(player);
     }
 
@@ -67,7 +65,6 @@ public class PlayerController {
                 .cacheControl(CacheControl.maxAge(1, TimeUnit.HOURS).cachePublic())
                 .contentType(MediaType.IMAGE_PNG)
                 .header(HttpHeaders.CONTENT_DISPOSITION, dispositionHeader.formatted(player.getUsername()))
-                .eTag(String.valueOf(player.hashCode()))
                 .body(playerService.getSkinPart(player, part, overlays, size).getBytes());
     }
 }

src/main/java/xyz/mcutils/backend/controller/ServerController.java

@@ -12,7 +12,6 @@ import xyz.mcutils.backend.model.cache.CachedMinecraftServer;
 import xyz.mcutils.backend.service.MojangService;
 import xyz.mcutils.backend.service.ServerService;
 
-import java.util.Arrays;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
@@ -39,7 +38,6 @@ public class ServerController {
 
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(5, TimeUnit.MINUTES).cachePublic())
-                .eTag(String.valueOf(server.hashCode()))
                 .body(server);
     }
 
@@ -55,7 +53,6 @@ public class ServerController {
                 .cacheControl(CacheControl.maxAge(1, TimeUnit.HOURS).cachePublic())
                 .contentType(MediaType.IMAGE_PNG)
                 .header(HttpHeaders.CONTENT_DISPOSITION, dispositionHeader.formatted(hostname))
-                .eTag(String.valueOf(Arrays.hashCode(favicon)))
                 .body(favicon);
     }
 
@@ -65,7 +62,6 @@ public class ServerController {
             @Parameter(description = "The hostname of the server", example = "aetheria.cc") @PathVariable String hostname) {
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(1, TimeUnit.HOURS).cachePublic())
-                .eTag(String.valueOf(hostname.hashCode()))
                 .body(Map.of(
                         "blocked", mojangService.isServerBlocked(hostname)
                 ));

src/main/java/xyz/mcutils/backend/model/cache/CachedEndpointStatus.java

@@ -1,8 +1,10 @@
 package xyz.mcutils.backend.model.cache;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.fasterxml.jackson.annotation.JsonUnwrapped;
-import lombok.*;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.NonNull;
+import lombok.Setter;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.redis.core.RedisHash;
 import xyz.mcutils.backend.common.CachedResponse;

src/main/java/xyz/mcutils/backend/model/cache/CachedMinecraftServer.java

@@ -2,7 +2,10 @@ package xyz.mcutils.backend.model.cache;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonUnwrapped;
-import lombok.*;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.NonNull;
+import lombok.Setter;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.redis.core.RedisHash;
 import xyz.mcutils.backend.common.CachedResponse;

src/main/java/xyz/mcutils/backend/model/cache/CachedPlayer.java

@@ -2,7 +2,9 @@ package xyz.mcutils.backend.model.cache;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonUnwrapped;
-import lombok.*;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.redis.core.RedisHash;
 import xyz.mcutils.backend.common.CachedResponse;

src/main/java/xyz/mcutils/backend/model/cache/CachedPlayerName.java

@@ -1,7 +1,9 @@
 package xyz.mcutils.backend.model.cache;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
-import lombok.*;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.redis.core.RedisHash;
 import xyz.mcutils.backend.common.CachedResponse;

src/main/java/xyz/mcutils/backend/model/mojang/EndpointStatus.java

@@ -1,8 +1,9 @@
 package xyz.mcutils.backend.model.mojang;
 
-import lombok.*;
-
-import java.util.Map;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
 
 @RequiredArgsConstructor
 @Getter @Setter @EqualsAndHashCode

src/main/java/xyz/mcutils/backend/service/MojangService.java

@@ -11,7 +11,9 @@ import lombok.extern.log4j.Log4j2;
 import net.jodah.expiringmap.ExpirationPolicy;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
-import xyz.mcutils.backend.common.*;
+import xyz.mcutils.backend.common.EnvironmentUtils;
+import xyz.mcutils.backend.common.ExpiringSet;
+import xyz.mcutils.backend.common.WebRequest;
 import xyz.mcutils.backend.model.cache.CachedEndpointStatus;
 import xyz.mcutils.backend.model.mojang.EndpointStatus;
 import xyz.mcutils.backend.model.token.MojangProfileToken;
@@ -24,8 +26,6 @@ import java.net.InetAddress;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.util.*;
-import java.util.Timer;
-import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.TimeUnit;
 
 @Service @Log4j2 @Getter