make the skin renderer less bad (thanks bray)

src/main/java/cc/fascinated/common/PlayerUtils.java

@@ -0,0 +1,50 @@
+package cc.fascinated.common;
+
+import cc.fascinated.Main;
+import cc.fascinated.exception.impl.BadRequestException;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import lombok.SneakyThrows;
+import lombok.experimental.UtilityClass;
+import lombok.extern.log4j.Log4j2;
+
+import java.net.URI;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.util.UUID;
+
+@UtilityClass @Log4j2
+public class PlayerUtils {
+
+    /**
+     * Gets the UUID from the string.
+     *
+     * @param id the id string
+     * @return the UUID
+     */
+    public static UUID getUuidFromString(String id) {
+        UUID uuid;
+        boolean isFullUuid = id.length() == 36;
+        if (id.length() == 32 || isFullUuid) {
+            try {
+                uuid = isFullUuid ? UUID.fromString(id) : UUIDUtils.addDashes(id);
+            } catch (IllegalArgumentException exception) {
+                throw new BadRequestException("Invalid UUID provided: %s".formatted(id));
+            }
+            return uuid;
+        }
+        return null;
+    }
+
+    /**
+     * Gets the skin data from the URL.
+     *
+     * @return the skin data
+     */
+    @SneakyThrows
+    @JsonIgnore
+    public static byte[] getSkinImage(String url) {
+        HttpResponse<byte[]> response = Main.HTTP_CLIENT.send(HttpRequest.newBuilder(URI.create(url)).build(),
+                HttpResponse.BodyHandlers.ofByteArray());
+        return response.body();
+    }
+}