.editorconfig

.editorconfig

@@ -0,0 +1,262 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = crlf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+tab_width = 4
+trim_trailing_whitespace = false
+ij_continuation_indent_size = 8
+
+[*.properties]
+ij_any_keep_blank_lines_in_code = unset
+
+[*.java]
+ij_java_align_consecutive_assignments = false
+ij_java_align_consecutive_variable_declarations = false
+ij_java_align_group_field_declarations = false
+ij_java_align_multiline_annotation_parameters = true
+ij_java_align_multiline_array_initializer_expression = false
+ij_java_align_multiline_assignment = false
+ij_java_align_multiline_binary_operation = true
+ij_java_align_multiline_chained_methods = false
+ij_java_align_multiline_extends_list = false
+ij_java_align_multiline_for = true
+ij_java_align_multiline_method_parentheses = false
+ij_java_align_multiline_parameters = false
+ij_java_align_multiline_parameters_in_calls = false
+ij_java_align_multiline_parenthesized_expression = false
+ij_java_align_multiline_records = true
+ij_java_align_multiline_resources = true
+ij_java_align_multiline_ternary_operation = false
+ij_java_align_multiline_text_blocks = false
+ij_java_align_multiline_throws_list = false
+ij_java_align_subsequent_simple_methods = false
+ij_java_align_throws_keyword = false
+ij_java_annotation_parameter_wrap = normal
+ij_java_array_initializer_new_line_after_left_brace = false
+ij_java_array_initializer_right_brace_on_new_line = false
+ij_java_array_initializer_wrap = off
+ij_java_assert_statement_colon_on_next_line = false
+ij_java_assert_statement_wrap = off
+ij_java_assignment_wrap = off
+ij_java_binary_operation_sign_on_next_line = false
+ij_java_binary_operation_wrap = off
+ij_java_blank_lines_after_anonymous_class_header = 0
+ij_java_blank_lines_after_class_header = 0
+ij_java_blank_lines_after_imports = 1
+ij_java_blank_lines_after_package = 1
+ij_java_blank_lines_around_class = 1
+ij_java_blank_lines_around_field = 0
+ij_java_blank_lines_around_field_in_interface = 0
+ij_java_blank_lines_around_initializer = 1
+ij_java_blank_lines_around_method = 1
+ij_java_blank_lines_around_method_in_interface = 1
+ij_java_blank_lines_before_class_end = 0
+ij_java_blank_lines_before_imports = 1
+ij_java_blank_lines_before_method_body = 0
+ij_java_blank_lines_before_package = 0
+ij_java_block_brace_style = end_of_line
+ij_java_block_comment_at_first_column = true
+ij_java_call_parameters_new_line_after_left_paren = false
+ij_java_call_parameters_right_paren_on_new_line = false
+ij_java_call_parameters_wrap = off
+ij_java_case_statement_on_separate_line = true
+ij_java_catch_on_new_line = false
+ij_java_class_annotation_wrap = split_into_lines
+ij_java_class_brace_style = end_of_line
+ij_java_class_count_to_use_import_on_demand = 5
+ij_java_class_names_in_javadoc = 1
+ij_java_do_not_indent_top_level_class_members = false
+ij_java_do_not_wrap_after_single_annotation = false
+ij_java_do_while_brace_force = never
+ij_java_doc_add_blank_line_after_description = true
+ij_java_doc_add_blank_line_after_param_comments = false
+ij_java_doc_add_blank_line_after_return = false
+ij_java_doc_add_p_tag_on_empty_lines = true
+ij_java_doc_align_exception_comments = true
+ij_java_doc_align_param_comments = true
+ij_java_doc_do_not_wrap_if_one_line = false
+ij_java_doc_enable_formatting = true
+ij_java_doc_enable_leading_asterisks = true
+ij_java_doc_indent_on_continuation = false
+ij_java_doc_keep_empty_lines = true
+ij_java_doc_keep_empty_parameter_tag = true
+ij_java_doc_keep_empty_return_tag = true
+ij_java_doc_keep_empty_throws_tag = true
+ij_java_doc_keep_invalid_tags = true
+ij_java_doc_param_description_on_new_line = false
+ij_java_doc_preserve_line_breaks = false
+ij_java_doc_use_throws_not_exception_tag = true
+ij_java_else_on_new_line = false
+ij_java_entity_dd_suffix = EJB
+ij_java_entity_eb_suffix = Bean
+ij_java_entity_hi_suffix = Home
+ij_java_entity_lhi_prefix = Local
+ij_java_entity_lhi_suffix = Home
+ij_java_entity_li_prefix = Local
+ij_java_entity_pk_class = java.lang.String
+ij_java_entity_vo_suffix = VO
+ij_java_enum_constants_wrap = split_into_lines
+ij_java_extends_keyword_wrap = off
+ij_java_extends_list_wrap = off
+ij_java_field_annotation_wrap = on_every_item
+ij_java_finally_on_new_line = false
+ij_java_for_brace_force = never
+ij_java_for_statement_new_line_after_left_paren = false
+ij_java_for_statement_right_paren_on_new_line = false
+ij_java_for_statement_wrap = off
+ij_java_generate_final_locals = false
+ij_java_generate_final_parameters = false
+ij_java_if_brace_force = never
+ij_java_imports_layout = *, |, javax.**, java.**, |, $*
+ij_java_indent_case_from_switch = true
+ij_java_insert_inner_class_imports = false
+ij_java_insert_override_annotation = true
+ij_java_keep_blank_lines_before_right_brace = 2
+ij_java_keep_blank_lines_between_package_declaration_and_header = 2
+ij_java_keep_blank_lines_in_code = 2
+ij_java_keep_blank_lines_in_declarations = 2
+ij_java_keep_control_statement_in_one_line = true
+ij_java_keep_first_column_comment = true
+ij_java_keep_indents_on_empty_lines = true
+ij_java_keep_line_breaks = true
+ij_java_keep_multiple_expressions_in_one_line = false
+ij_java_keep_simple_blocks_in_one_line = false
+ij_java_keep_simple_classes_in_one_line = true
+ij_java_keep_simple_lambdas_in_one_line = true
+ij_java_keep_simple_methods_in_one_line = true
+ij_java_label_indent_absolute = false
+ij_java_label_indent_size = 0
+ij_java_lambda_brace_style = end_of_line
+ij_java_layout_static_imports_separately = true
+ij_java_line_comment_add_space = false
+ij_java_line_comment_at_first_column = true
+ij_java_message_dd_suffix = EJB
+ij_java_message_eb_suffix = Bean
+ij_java_method_annotation_wrap = split_into_lines
+ij_java_method_brace_style = end_of_line
+ij_java_method_call_chain_wrap = off
+ij_java_method_parameters_new_line_after_left_paren = false
+ij_java_method_parameters_right_paren_on_new_line = false
+ij_java_method_parameters_wrap = off
+ij_java_modifier_list_wrap = false
+ij_java_names_count_to_use_import_on_demand = 3
+ij_java_new_line_after_lparen_in_record_header = false
+ij_java_parameter_annotation_wrap = normal
+ij_java_parentheses_expression_new_line_after_left_paren = false
+ij_java_parentheses_expression_right_paren_on_new_line = false
+ij_java_place_assignment_sign_on_next_line = false
+ij_java_prefer_longer_names = true
+ij_java_prefer_parameters_wrap = false
+ij_java_record_components_wrap = normal
+ij_java_repeat_synchronized = true
+ij_java_replace_instanceof_and_cast = false
+ij_java_replace_null_check = true
+ij_java_replace_sum_lambda_with_method_ref = true
+ij_java_resource_list_new_line_after_left_paren = false
+ij_java_resource_list_right_paren_on_new_line = false
+ij_java_resource_list_wrap = off
+ij_java_rparen_on_new_line_in_record_header = false
+ij_java_session_dd_suffix = EJB
+ij_java_session_eb_suffix = Bean
+ij_java_session_hi_suffix = Home
+ij_java_session_lhi_prefix = Local
+ij_java_session_lhi_suffix = Home
+ij_java_session_li_prefix = Local
+ij_java_session_si_suffix = Service
+ij_java_space_after_closing_angle_bracket_in_type_argument = false
+ij_java_space_after_colon = true
+ij_java_space_after_comma = true
+ij_java_space_after_comma_in_type_arguments = true
+ij_java_space_after_for_semicolon = true
+ij_java_space_after_quest = true
+ij_java_space_after_type_cast = true
+ij_java_space_before_annotation_array_initializer_left_brace = false
+ij_java_space_before_annotation_parameter_list = false
+ij_java_space_before_array_initializer_left_brace = false
+ij_java_space_before_catch_keyword = true
+ij_java_space_before_catch_left_brace = true
+ij_java_space_before_catch_parentheses = true
+ij_java_space_before_class_left_brace = true
+ij_java_space_before_colon = true
+ij_java_space_before_colon_in_foreach = true
+ij_java_space_before_comma = false
+ij_java_space_before_do_left_brace = true
+ij_java_space_before_else_keyword = true
+ij_java_space_before_else_left_brace = true
+ij_java_space_before_finally_keyword = true
+ij_java_space_before_finally_left_brace = true
+ij_java_space_before_for_left_brace = true
+ij_java_space_before_for_parentheses = true
+ij_java_space_before_for_semicolon = false
+ij_java_space_before_if_left_brace = true
+ij_java_space_before_if_parentheses = true
+ij_java_space_before_method_call_parentheses = false
+ij_java_space_before_method_left_brace = true
+ij_java_space_before_method_parentheses = false
+ij_java_space_before_opening_angle_bracket_in_type_parameter = false
+ij_java_space_before_quest = true
+ij_java_space_before_switch_left_brace = true
+ij_java_space_before_switch_parentheses = true
+ij_java_space_before_synchronized_left_brace = true
+ij_java_space_before_synchronized_parentheses = true
+ij_java_space_before_try_left_brace = true
+ij_java_space_before_try_parentheses = true
+ij_java_space_before_type_parameter_list = false
+ij_java_space_before_while_keyword = true
+ij_java_space_before_while_left_brace = true
+ij_java_space_before_while_parentheses = true
+ij_java_space_inside_one_line_enum_braces = false
+ij_java_space_within_empty_array_initializer_braces = false
+ij_java_space_within_empty_method_call_parentheses = false
+ij_java_space_within_empty_method_parentheses = false
+ij_java_spaces_around_additive_operators = true
+ij_java_spaces_around_assignment_operators = true
+ij_java_spaces_around_bitwise_operators = true
+ij_java_spaces_around_equality_operators = true
+ij_java_spaces_around_lambda_arrow = true
+ij_java_spaces_around_logical_operators = true
+ij_java_spaces_around_method_ref_dbl_colon = false
+ij_java_spaces_around_multiplicative_operators = true
+ij_java_spaces_around_relational_operators = true
+ij_java_spaces_around_shift_operators = true
+ij_java_spaces_around_type_bounds_in_type_parameters = true
+ij_java_spaces_around_unary_operator = false
+ij_java_spaces_within_angle_brackets = false
+ij_java_spaces_within_annotation_parentheses = false
+ij_java_spaces_within_array_initializer_braces = false
+ij_java_spaces_within_braces = false
+ij_java_spaces_within_brackets = false
+ij_java_spaces_within_cast_parentheses = false
+ij_java_spaces_within_catch_parentheses = false
+ij_java_spaces_within_for_parentheses = false
+ij_java_spaces_within_if_parentheses = false
+ij_java_spaces_within_method_call_parentheses = false
+ij_java_spaces_within_method_parentheses = false
+ij_java_spaces_within_parentheses = false
+ij_java_spaces_within_record_header = false
+ij_java_spaces_within_switch_parentheses = false
+ij_java_spaces_within_synchronized_parentheses = false
+ij_java_spaces_within_try_parentheses = false
+ij_java_spaces_within_while_parentheses = false
+ij_java_special_else_if_treatment = true
+ij_java_subclass_name_suffix = Impl
+ij_java_ternary_operation_signs_on_next_line = false
+ij_java_ternary_operation_wrap = off
+ij_java_test_name_suffix = Test
+ij_java_throws_keyword_wrap = normal
+ij_java_throws_list_wrap = off
+ij_java_use_external_annotations = false
+ij_java_use_fq_class_names = false
+ij_java_use_relative_indents = false
+ij_java_use_single_class_imports = true
+ij_java_variable_annotation_wrap = normal
+ij_java_visibility = public
+ij_java_while_brace_force = never
+ij_java_while_on_new_line = false
+ij_java_wrap_comments = false
+ij_java_wrap_first_method_in_call_chain = false
+ij_java_wrap_long_lines = false

README.md

@@ -1,49 +1,59 @@
 # SkinRestorer
+
 ![GitHub License](https://img.shields.io/github/license/Suiranoil/SkinRestorer)
 ![Build](https://github.com/Suiranoil/SkinRestorer/actions/workflows/build.yml/badge.svg)
 ![Enviroment](https://img.shields.io/badge/enviroment-server-orangered)
 [![CurseForge Downloads](https://cf.way2muchnoise.eu/skinrestorer.svg)](https://www.curseforge.com/minecraft/mc-mods/skinrestorer)
 [![Modrinth Downloads](https://img.shields.io/modrinth/dt/skinrestorer?logo=modrinth)](https://modrinth.com/mod/skinrestorer)
 
-
+SkinRestorer is a **server-side** only mod for Fabric that allows players to use and change skins on servers running in
-SkinRestorer is a **server-side** only mod for Fabric that allows players to use and change skins on servers running in offline/insecure mode.
+offline/insecure mode.
 
 ## Features
+
 - **Set Skins from Mojang Account**: Fetch and apply skins using a valid Minecraft account name.
 - **Set Skins from URL**: Apply skins from any image URL, supporting both classic (Steve) and slim (Alex) skin models.
 
 ## Command Usage Guide
 
 ### Set Mojang Skin
+
 ```
 /skin set mojang <skin_name> [<targets>]
 ```
+
 - **Parameters:**
-  - `<skin_name>`: Minecraft account name to fetch the skin from.
+    - `<skin_name>`: Minecraft account name to fetch the skin from.
-  - `[<targets>]`: (Optional, server operators only) Player(s) to apply the skin to.
+    - `[<targets>]`: (Optional, server operators only) Player(s) to apply the skin to.
 
 ### Set Web Skin
+
 ```
 /skin set web (classic|slim) "<url>" [<targets>]
 ```
+
 - **Parameters:**
-  - `(classic|slim)`: Type of the skin model (`classic` for Steve model, `slim` for Alex model).
+    - `(classic|slim)`: Type of the skin model (`classic` for Steve model, `slim` for Alex model).
-  - `"<url>"`: URL pointing to the skin image file (ensure it follows Minecraft's skin size and format requirements).
+    - `"<url>"`: URL pointing to the skin image file (ensure it follows Minecraft's skin size and format requirements).
-  - `[<targets>]`: (Optional, server operators only) Player(s) to apply the skin to.
+    - `[<targets>]`: (Optional, server operators only) Player(s) to apply the skin to.
 
 ### Clear Skin
+
 ```
 /skin clear [<targets>]
 ```
+
 - **Parameters:**
-  - `[<targets>]`: (Optional, server operators only) Player(s) to clear the skin for.
+    - `[<targets>]`: (Optional, server operators only) Player(s) to clear the skin for.
 
 ### Notes:
+
 - If `targets` is not specified, the command will apply to the player executing the command.
 
 ### Examples:
+
 ```
 /skin set mojang Notch
-/skin set web classic "http://example.com/skin.png"
+/skin set web classic "https://example.com/skin.png"
 /skin clear @a
 ```

src/main/java/net/lionarius/skinrestorer/MineskinSkinProvider.java

@@ -10,19 +10,19 @@ import java.io.IOException;
 import java.net.URL;
 
 public class MineskinSkinProvider {
-
+    
     private static final String API = "https://api.mineskin.org/generate/url";
     private static final String USER_AGENT = "SkinRestorer";
     private static final String TYPE = "application/json";
-
+    
     public static SkinResult getSkin(String url, SkinVariant variant) {
         try {
             String input = ("{\"variant\":\"%s\",\"name\":\"%s\",\"visibility\":%d,\"url\":\"%s\"}")
                     .formatted(variant.toString(), "none", 1, url);
-
+            
             JsonObject texture = JsonUtils.parseJson(WebUtils.POSTRequest(new URL(API), USER_AGENT, TYPE, TYPE, input))
                     .getAsJsonObject("data").getAsJsonObject("texture");
-
+            
             return SkinResult.success(new Property("textures", texture.get("value").getAsString(), texture.get("signature").getAsString()));
         } catch (IOException e) {
             return SkinResult.error(e);

src/main/java/net/lionarius/skinrestorer/MojangSkinProvider.java

@@ -10,22 +10,22 @@ import java.net.URL;
 import java.util.UUID;
 
 public class MojangSkinProvider {
-
+    
     private static final String API = "https://api.mojang.com/users/profiles/minecraft/";
     private static final String SESSION_SERVER = "https://sessionserver.mojang.com/session/minecraft/profile/";
-
+    
     public static SkinResult getSkin(String name) {
         try {
             UUID uuid = getUUID(name);
             JsonObject texture = JsonUtils.parseJson(WebUtils.GETRequest(new URL(SESSION_SERVER + uuid + "?unsigned=false")))
                     .getAsJsonArray("properties").get(0).getAsJsonObject();
-
+            
             return SkinResult.success(new Property("textures", texture.get("value").getAsString(), texture.get("signature").getAsString()));
         } catch (Exception e) {
             return SkinResult.error(e);
         }
     }
-
+    
     private static UUID getUUID(String name) throws IOException {
         return UUID.fromString(JsonUtils.parseJson(WebUtils.GETRequest(new URL(API + name))).get("id").getAsString()
                 .replaceFirst("(\\p{XDigit}{8})(\\p{XDigit}{4})(\\p{XDigit}{4})(\\p{XDigit}{4})(\\p{XDigit}+)", "$1-$2-$3-$4-$5"));

src/main/java/net/lionarius/skinrestorer/SkinIO.java

@@ -8,23 +8,23 @@ import java.nio.file.Path;
 import java.util.UUID;
 
 public class SkinIO {
-
+    
     private static final String FILE_EXTENSION = ".json";
-
+    
     private final Path savePath;
-
+    
     public SkinIO(Path savePath) {
         this.savePath = savePath;
     }
-
+    
     public boolean skinExists(UUID uuid) {
         return savePath.resolve(uuid + FILE_EXTENSION).toFile().exists();
     }
-
+    
     public Property loadSkin(UUID uuid) {
         return JsonUtils.fromJson(FileUtils.readFile(savePath.resolve(uuid + FILE_EXTENSION).toFile()), Property.class);
     }
-
+    
     public void saveSkin(UUID uuid, Property skin) {
         FileUtils.writeFile(savePath.toFile(), uuid + FILE_EXTENSION, JsonUtils.toJson(skin));
     }

src/main/java/net/lionarius/skinrestorer/SkinRestorer.java

@@ -23,32 +23,32 @@ import java.util.concurrent.TimeUnit;
 import java.util.function.Supplier;
 
 public class SkinRestorer implements DedicatedServerModInitializer {
-
+    
     private static SkinStorage skinStorage;
-
+    
     public static final Logger LOGGER = LoggerFactory.getLogger("SkinRestorer");
-
+    
     public static SkinStorage getSkinStorage() {
         return skinStorage;
     }
-
+    
     @Override
     public void onInitializeServer() {
         skinStorage = new SkinStorage(new SkinIO(FabricLoader.getInstance().getConfigDir().resolve("skinrestorer")));
     }
-
+    
     public static void refreshPlayer(ServerPlayerEntity player) {
         ServerWorld serverWorld = player.getServerWorld();
         PlayerManager playerManager = serverWorld.getServer().getPlayerManager();
         ServerChunkManager chunkManager = serverWorld.getChunkManager();
-
+        
         playerManager.sendToAll(new BundleS2CPacket(
                 List.of(
                         new PlayerRemoveS2CPacket(List.of(player.getUuid())),
                         PlayerListS2CPacket.entryFromPlayer(Collections.singleton(player))
                 )
         ));
-
+        
         if (!player.isDead()) {
             chunkManager.unloadEntity(player);
             chunkManager.loadEntity(player);
@@ -68,7 +68,7 @@ public class SkinRestorer implements DedicatedServerModInitializer {
             playerManager.sendStatusEffects(player);
         }
     }
-
+    
     public static CompletableFuture<Pair<Collection<ServerPlayerEntity>, Collection<GameProfile>>> setSkinAsync(MinecraftServer server, Collection<GameProfile> targets, Supplier<SkinResult> skinSupplier) {
         return CompletableFuture.<Pair<Property, Collection<GameProfile>>>supplyAsync(() -> {
                     SkinResult result = skinSupplier.get();
@@ -76,28 +76,28 @@ public class SkinRestorer implements DedicatedServerModInitializer {
                         SkinRestorer.LOGGER.error("Could not get skin", result.getError());
                         return Pair.of(null, Collections.emptySet());
                     }
-
+                    
                     Property skin = result.getSkin();
-
+                    
                     for (GameProfile profile : targets) {
                         SkinRestorer.getSkinStorage().setSkin(profile.getId(), skin);
                     }
-
+                    
                     HashSet<GameProfile> acceptedProfiles = new HashSet<>(targets);
-
+                    
                     return Pair.of(skin, acceptedProfiles);
                 }).<Pair<Collection<ServerPlayerEntity>, Collection<GameProfile>>>thenApplyAsync(pair -> {
                     Property skin = pair.left(); // NullPtrException will be caught by 'exceptionally'
-
+                    
                     Collection<GameProfile> acceptedProfiles = pair.right();
                     HashSet<ServerPlayerEntity> acceptedPlayers = new HashSet<>();
-
+                    
                     for (GameProfile profile : acceptedProfiles) {
                         ServerPlayerEntity player = server.getPlayerManager().getPlayer(profile.getId());
-
+                        
                         if (player == null || areSkinPropertiesEquals(skin, getPlayerSkin(player)))
                             continue;
-
+                        
                         applyRestoredSkin(player.getGameProfile(), skin);
                         refreshPlayer(player);
                         acceptedPlayers.add(player);
@@ -107,48 +107,48 @@ public class SkinRestorer implements DedicatedServerModInitializer {
                 .orTimeout(10, TimeUnit.SECONDS)
                 .exceptionally(e -> Pair.of(Collections.emptySet(), Collections.emptySet()));
     }
-
+    
     public static void applyRestoredSkin(GameProfile profile, Property skin) {
         profile.getProperties().removeAll("textures");
-
+        
         if (skin != null)
             profile.getProperties().put("textures", skin);
     }
-
+    
     private static Property getPlayerSkin(ServerPlayerEntity player) {
         return player.getGameProfile().getProperties().get("textures").stream().findFirst().orElse(null);
     }
-
+    
     private static final Gson gson = new Gson();
-
+    
     private static JsonObject skinPropertyToJson(Property property) {
         try {
             JsonObject json = gson.fromJson(new String(Base64.getDecoder().decode(property.value()), StandardCharsets.UTF_8), JsonObject.class);
             if (json != null)
                 json.remove("timestamp");
-
+            
             return json;
         } catch (Exception ex) {
             return null;
         }
     }
-
+    
     private static boolean areSkinPropertiesEquals(Property x, Property y) {
         if (x == y)
             return true;
-
+        
         if (x == null || y == null)
             return false;
-
+        
         if (x.equals(y))
             return true;
-
+        
         JsonObject xJson = skinPropertyToJson(x);
         JsonObject yJson = skinPropertyToJson(y);
-
+        
         if (xJson == null || yJson == null)
             return false;
-
+        
         return xJson.equals(yJson);
     }
 }

src/main/java/net/lionarius/skinrestorer/SkinResult.java

@@ -6,40 +6,40 @@ import org.jetbrains.annotations.NotNull;
 public class SkinResult {
     private final Property skin;
     private final Exception exception;
-
+    
     private SkinResult(Property skin, Exception exception) {
         this.skin = skin;
         this.exception = exception;
     }
-
+    
     public Property getSkin() {
         return this.skin;
     }
-
+    
     public Exception getError() {
         return this.exception;
     }
-
+    
     public boolean isError() {
         return this.exception != null;
     }
-
+    
     public static SkinResult empty() {
         return new SkinResult(null, null);
     }
-
+    
     public static SkinResult error(Exception e) {
         return new SkinResult(null, e);
     }
-
+    
     public static SkinResult success(@NotNull Property skin) {
         return new SkinResult(skin, null);
     }
-
+    
     public static SkinResult ofNullable(Property skin) {
         if (skin == null)
             return SkinResult.empty();
-
+        
         return SkinResult.success(skin);
     }
 }

src/main/java/net/lionarius/skinrestorer/SkinStorage.java

@@ -8,32 +8,32 @@ import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 
 public class SkinStorage {
-
+    
     private final Map<UUID, Optional<Property>> skinMap = new ConcurrentHashMap<>();
     private final SkinIO skinIO;
-
+    
     public SkinStorage(SkinIO skinIO) {
         this.skinIO = skinIO;
     }
-
+    
     public boolean hasSavedSkin(UUID uuid) {
         return this.skinIO.skinExists(uuid);
     }
-
+    
     public Property getSkin(UUID uuid) {
         if (!skinMap.containsKey(uuid)) {
             Property skin = skinIO.loadSkin(uuid);
             setSkin(uuid, skin);
         }
-
+        
         return skinMap.get(uuid).orElse(null);
     }
-
+    
     public void removeSkin(UUID uuid) {
         if (skinMap.containsKey(uuid))
             skinIO.saveSkin(uuid, skinMap.get(uuid).orElse(null));
     }
-
+    
     public void setSkin(UUID uuid, Property skin) {
         skinMap.put(uuid, Optional.ofNullable(skin));
     }

src/main/java/net/lionarius/skinrestorer/command/SkinCommand.java

@@ -22,7 +22,7 @@ import static net.minecraft.server.command.CommandManager.argument;
 import static net.minecraft.server.command.CommandManager.literal;
 
 public class SkinCommand {
-
+    
     public static void register(CommandDispatcher<ServerCommandSource> dispatcher) {
         dispatcher.register(literal("skin")
                 .then(literal("set")
@@ -63,22 +63,22 @@ public class SkinCommand {
                                         SkinResult::empty))))
         );
     }
-
+    
     private static int skinAction(ServerCommandSource src, Collection<GameProfile> targets, boolean setByOperator, Supplier<SkinResult> skinSupplier) {
         SkinRestorer.setSkinAsync(src.getServer(), targets, skinSupplier).thenAccept(pair -> {
             Collection<GameProfile> profiles = pair.right();
             Collection<ServerPlayerEntity> players = pair.left();
-
+            
             if (profiles.isEmpty()) {
                 src.sendError(Text.of(TranslationUtils.translation.skinActionFailed));
                 return;
             }
-
+            
             if (setByOperator) {
                 src.sendFeedback(() -> Text.of(
                         String.format(TranslationUtils.translation.skinActionAffectedProfile,
                                 String.join(", ", profiles.stream().map(GameProfile::getName).toList()))), true);
-
+                
                 if (!players.isEmpty()) {
                     src.sendFeedback(() -> Text.of(
                             String.format(TranslationUtils.translation.skinActionAffectedPlayer,
@@ -90,11 +90,11 @@ public class SkinCommand {
         });
         return targets.size();
     }
-
+    
     private static int skinAction(ServerCommandSource src, Supplier<SkinResult> skinSupplier) {
         if (src.getPlayer() == null)
             return 0;
-
+        
         return skinAction(src, Collections.singleton(src.getPlayer().getGameProfile()), false, skinSupplier);
     }
 }

src/main/java/net/lionarius/skinrestorer/enums/SkinVariant.java

@@ -1,16 +1,16 @@
 package net.lionarius.skinrestorer.enums;
 
 public enum SkinVariant {
-
+    
     CLASSIC("classic"),
     SLIM("slim");
-
+    
     private final String name;
-
+    
     SkinVariant(String name) {
         this.name = name;
     }
-
+    
     @Override
     public String toString() {
         return name;

src/main/java/net/lionarius/skinrestorer/mixin/CommandManagerMixin.java

@@ -14,11 +14,12 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Mixin(CommandManager.class)
 public abstract class CommandManagerMixin {
-
+    
     @Final @Shadow
     private CommandDispatcher<ServerCommandSource> dispatcher;
-
+    
-    @Inject(method = "<init>", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/command/AdvancementCommand;register(Lcom/mojang/brigadier/CommandDispatcher;)V"))
+    @Inject(method = "<init>", at = @At(value = "INVOKE",
+                                        target = "Lnet/minecraft/server/command/AdvancementCommand;register(Lcom/mojang/brigadier/CommandDispatcher;)V"))
     private void init(CommandManager.RegistrationEnvironment environment, CommandRegistryAccess commandRegistryAccess, CallbackInfo ci) {
         SkinCommand.register(dispatcher);
     }

src/main/java/net/lionarius/skinrestorer/mixin/PlayerManagerMixin.java

@@ -19,25 +19,25 @@ import java.util.List;
 
 @Mixin(PlayerManager.class)
 public abstract class PlayerManagerMixin {
-
+    
     @Shadow
     public abstract List<ServerPlayerEntity> getPlayerList();
-
+    
     @Shadow @Final
     private MinecraftServer server;
-
+    
     @Inject(method = "remove", at = @At("TAIL"))
     private void remove(ServerPlayerEntity player, CallbackInfo ci) {
         SkinRestorer.getSkinStorage().removeSkin(player.getUuid());
     }
-
+    
     @Inject(method = "disconnectAllPlayers", at = @At("HEAD"))
     private void disconnectAllPlayers(CallbackInfo ci) {
         for (ServerPlayerEntity player : getPlayerList()) {
             SkinRestorer.getSkinStorage().removeSkin(player.getUuid());
         }
     }
-
+    
     @Inject(method = "onPlayerConnect", at = @At("HEAD"))
     private void onPlayerConnected(ClientConnection connection, ServerPlayerEntity player, ConnectedClientData clientData, CallbackInfo ci) {
         SkinRestorer.setSkinAsync(server, Collections.singleton(player.getGameProfile()), () -> SkinResult.ofNullable(SkinRestorer.getSkinStorage().getSkin(player.getUuid())));

src/main/java/net/lionarius/skinrestorer/mixin/ServerLoginNetworkHandlerMixin.java

@@ -17,30 +17,32 @@ import java.util.concurrent.CompletableFuture;
 
 @Mixin(ServerLoginNetworkHandler.class)
 public abstract class ServerLoginNetworkHandlerMixin {
-
+    
     @Shadow @Nullable
     private GameProfile profile;
-
+    
     @Unique
     private CompletableFuture<SkinResult> skinrestorer_pendingSkin;
-
+    
-    @Inject(method = "tickVerify", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/PlayerManager;checkCanJoin(Ljava/net/SocketAddress;Lcom/mojang/authlib/GameProfile;)Lnet/minecraft/text/Text;"), cancellable = true)
+    @Inject(method = "tickVerify", at = @At(value = "INVOKE",
+                                            target = "Lnet/minecraft/server/PlayerManager;checkCanJoin(Ljava/net/SocketAddress;Lcom/mojang/authlib/GameProfile;)Lnet/minecraft/text/Text;"),
+            cancellable = true)
     public void waitForSkin(CallbackInfo ci) {
         if (skinrestorer_pendingSkin == null) {
             skinrestorer_pendingSkin = CompletableFuture.supplyAsync(() -> {
                 SkinRestorer.LOGGER.debug("Fetching {}'s skin", profile.getName());
-
+                
                 if (!SkinRestorer.getSkinStorage().hasSavedSkin(profile.getId())) { // when player joins for the first time fetch Mojang skin by his username
                     SkinResult result = MojangSkinProvider.getSkin(profile.getName());
-
+                    
                     if (!result.isError())
                         SkinRestorer.getSkinStorage().setSkin(profile.getId(), result.getSkin());
                 }
-
+                
                 return SkinResult.ofNullable(SkinRestorer.getSkinStorage().getSkin(profile.getId()));
             });
         }
-
+        
         if (!skinrestorer_pendingSkin.isDone())
             ci.cancel();
     }

src/main/java/net/lionarius/skinrestorer/util/FileUtils.java

@@ -4,7 +4,7 @@ import java.io.*;
 import java.nio.charset.StandardCharsets;
 
 public class FileUtils {
-
+    
     public static String readFile(File file) {
         try (BufferedReader reader = new BufferedReader(new FileReader(file, StandardCharsets.UTF_8))) {
             return StringUtils.readString(reader);
@@ -12,16 +12,16 @@ public class FileUtils {
             return null;
         }
     }
-
+    
     public static boolean writeFile(File path, String fileName, String content) {
         try {
             if (!path.exists())
                 path.mkdirs();
-
+            
             File file = new File(path, fileName);
             if (!file.exists())
                 file.createNewFile();
-
+            
             try (FileWriter writer = new FileWriter(file, StandardCharsets.UTF_8)) {
                 writer.write(content);
             }

src/main/java/net/lionarius/skinrestorer/util/JsonUtils.java

@@ -6,17 +6,17 @@ import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 
 public class JsonUtils {
-
+    
     private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create();
-
+    
     public static <T> T fromJson(String json, Class<T> clazz) {
         return GSON.fromJson(json, clazz);
     }
-
+    
     public static String toJson(Object obj) {
         return GSON.toJson(obj);
     }
-
+    
     public static JsonObject parseJson(String json) {
         return JsonParser.parseString(json).getAsJsonObject();
     }

src/main/java/net/lionarius/skinrestorer/util/PlayerUtils.java

@@ -3,7 +3,7 @@ package net.lionarius.skinrestorer.util;
 import net.minecraft.server.network.ServerPlayerEntity;
 
 public class PlayerUtils {
-
+    
     public static boolean isFakePlayer(ServerPlayerEntity player) {
         return player.getClass() != ServerPlayerEntity.class; // if the player isn't a server player entity, it must be someone's fake player
     }

src/main/java/net/lionarius/skinrestorer/util/StringUtils.java

@@ -4,15 +4,15 @@ import java.io.BufferedReader;
 import java.io.IOException;
 
 public class StringUtils {
-
+    
     public static String readString(BufferedReader reader) throws IOException {
         String inputLine;
         StringBuilder response = new StringBuilder();
-
+        
         while ((inputLine = reader.readLine()) != null) {
             response.append(inputLine);
         }
-
+        
         return response.toString();
     }
 }

src/main/java/net/lionarius/skinrestorer/util/TranslationUtils.java

@@ -14,12 +14,12 @@ public class TranslationUtils {
         public String skinActionFailed = "Failed to set skin";
         public String skinActionOk = "Skin changed";
     }
-
+    
     public static Translation translation = new Translation();
-
+    
     static {
         Path path = FabricLoader.getInstance().getConfigDir().resolve("skinrestorer").resolve("translation.json");
-
+        
         if (Files.exists(path)) {
             try {
                 translation = JsonUtils.fromJson(Objects.requireNonNull(FileUtils.readFile(path.toFile())), Translation.class);

src/main/java/net/lionarius/skinrestorer/util/WebUtils.java

@@ -9,32 +9,33 @@ import java.net.URL;
 import java.nio.charset.StandardCharsets;
 
 public class WebUtils {
-
+    
-    public static String POSTRequest(URL url, String userAgent, String contentType, String responseType, String input) throws IOException {
+    public static String POSTRequest(URL url, String userAgent, String contentType, String responseType, String input)
+            throws IOException {
         HttpURLConnection connection = (HttpURLConnection) url.openConnection();
-
+        
         connection.setRequestMethod("POST");
         connection.setRequestProperty("Content-Type", contentType);
         connection.setRequestProperty("Accept", responseType);
         connection.setRequestProperty("User-Agent", userAgent);
         connection.setDoOutput(true);
         connection.setDoInput(true);
-
+        
         try (OutputStream os = connection.getOutputStream()) {
             os.write(input.getBytes(StandardCharsets.UTF_8), 0, input.length());
         }
-
+        
         try (BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream(), StandardCharsets.UTF_8))) {
             return StringUtils.readString(br);
         }
     }
-
+    
     public static String GETRequest(URL url) throws IOException {
         HttpURLConnection connection = (HttpURLConnection) url.openConnection();
-
+        
         connection.setRequestMethod("GET");
         connection.setDoOutput(true);
-
+        
         try (BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream(), StandardCharsets.UTF_8))) {
             return StringUtils.readString(br);
         }

src/main/resources/fabric.mod.json

@@ -1,29 +1,29 @@
 {
-  "schemaVersion": 1,
+    "schemaVersion": 1,
-  "id": "skinrestorer",
+    "id": "skinrestorer",
-  "version": "${version}",
+    "version": "${version}",
-  "name": "Skin Restorer",
+    "name": "Skin Restorer",
-  "description": "A server-side mod for restoring skins on offline servers.",
+    "description": "A server-side mod for restoring skins on offline servers.",
-  "authors": [
+    "authors": [
-    "Lionarius"
+        "Lionarius"
-  ],
+    ],
-  "contact": {
+    "contact": {
-    "homepage": "https://modrinth.com/mod/skinrestorer",
+        "homepage": "https://modrinth.com/mod/skinrestorer",
-    "sources": "https://github.com/Suiranoil/SkinRestorer",
+        "sources": "https://github.com/Suiranoil/SkinRestorer",
-    "issues": "https://github.com/Suiranoil/SkinRestorer/issues"
+        "issues": "https://github.com/Suiranoil/SkinRestorer/issues"
-  },
+    },
-  "license": "MIT",
+    "license": "MIT",
-  "environment": "server",
+    "environment": "server",
-  "entrypoints": {
+    "entrypoints": {
-    "server": [
+        "server": [
-      "net.lionarius.skinrestorer.SkinRestorer"
+            "net.lionarius.skinrestorer.SkinRestorer"
-    ]
+        ]
-  },
+    },
-  "mixins": [
+    "mixins": [
-    "skinrestorer.mixins.json"
+        "skinrestorer.mixins.json"
-  ],
+    ],
-  "depends": {
+    "depends": {
-    "fabricloader": ">=0.15.10",
+        "fabricloader": ">=0.15.10",
-    "minecraft": "*"
+        "minecraft": "*"
-  }
+    }
 }

src/main/resources/skinrestorer.mixins.json

@@ -1,14 +1,14 @@
 {
-  "required": true,
+    "required": true,
-  "minVersion": "0.8",
+    "minVersion": "0.8",
-  "package": "net.lionarius.skinrestorer.mixin",
+    "package": "net.lionarius.skinrestorer.mixin",
-  "compatibilityLevel": "JAVA_8",
+    "compatibilityLevel": "JAVA_8",
-  "mixins": [
+    "mixins": [
-    "CommandManagerMixin",
+        "CommandManagerMixin",
-    "PlayerManagerMixin",
+        "PlayerManagerMixin",
-    "ServerLoginNetworkHandlerMixin"
+        "ServerLoginNetworkHandlerMixin"
-  ],
+    ],
-  "injectors": {
+    "injectors": {
-    "defaultRequire": 1
+        "defaultRequire": 1
-  }
+    }
 }