MinecraftUtilities/Backend
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Lee 2024-04-08 04:51:17 +01:00
parent ac29beca3a
commit 2dd055d156
21 changed files with 58 additions and 569 deletions
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17
src/main/java/cc/fascinated/Consts.java
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@ -1,17 +0,0 @@
package cc.fascinated;
import lombok.Getter;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
@Component
public class Consts {
@Getter
private static String SITE_URL;
@Value("${site-url}")
public void setSiteUrl(String name) {
SITE_URL = name;
}
}

40
src/main/java/cc/fascinated/api/model/ErrorResponse.java
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@ -1,40 +0,0 @@
package cc.fascinated.api.model;
import com.fasterxml.jackson.annotation.JsonFormat;
import io.micrometer.common.lang.NonNull;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import lombok.ToString;
import org.springframework.http.HttpStatus;
import java.util.Date;
@NoArgsConstructor
@Setter
@Getter
@ToString
public final class ErrorResponse {
/**
* The status code of this error.
*/
@NonNull
private HttpStatus status;
/**
* The message of this error.
*/
@NonNull private String message;
/**
* The timestamp this error occurred.
*/
@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "dd-MM-yyyy hh:mm:ss")
private Date timestamp;
public ErrorResponse(@NonNull HttpStatus status, @NonNull String message) {
this.status = status;
this.message = message;
timestamp = new Date();
}
}

20
src/main/java/cc/fascinated/config/Config.java Normal file
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@ -0,0 +1,20 @@
package cc.fascinated.config;
import jakarta.annotation.PostConstruct;
import lombok.Getter;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
@Configuration
@Getter
public class Config {
public static Config INSTANCE;
@Value("${public-url}")
private String webPublicUrl;
@PostConstruct
public void onInitialize() {
INSTANCE = this;
}
}

8
src/main/java/cc/fascinated/api/controller/HomeController.java → src/main/java/cc/fascinated/controller/HomeController.java
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@ -1,6 +1,6 @@
package cc.fascinated.api.controller;
package cc.fascinated.controller;
import cc.fascinated.Consts;
import cc.fascinated.config.Config;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
@ -17,8 +17,8 @@ public class HomeController {
@RequestMapping(value = "/")
public String home(Model model) {
model.addAttribute("url", Consts.getSITE_URL() + "/player/" + exampleUuid);
model.addAttribute("avatar_url", Consts.getSITE_URL() + "/player/avatar/" + exampleUuid);
model.addAttribute("url", Config.INSTANCE.getWebPublicUrl() + "/player/" + exampleUuid);
model.addAttribute("avatar_url", Config.INSTANCE.getWebPublicUrl() + "/player/avatar/" + exampleUuid);
return "index";
}
}

31
src/main/java/cc/fascinated/api/controller/PlayerController.java → src/main/java/cc/fascinated/controller/PlayerController.java
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@ -1,6 +1,6 @@
package cc.fascinated.api.controller;
package cc.fascinated.controller;
import cc.fascinated.player.PlayerManagerService;
import cc.fascinated.player.PlayerService;
import cc.fascinated.player.impl.Player;
import cc.fascinated.player.impl.Skin;
import cc.fascinated.player.impl.SkinPart;
@ -22,10 +22,10 @@ public class PlayerController {
private final CacheControl cacheControl = CacheControl.maxAge(1, TimeUnit.HOURS).cachePublic();
@NonNull private final SkinPart defaultHead = Objects.requireNonNull(Skin.getDefaultHead(), "Default head is null");
private final PlayerManagerService playerManagerService;
private final PlayerService playerManagerService;
@Autowired
public PlayerController(PlayerManagerService playerManagerService) {
public PlayerController(PlayerService playerManagerService) {
this.playerManagerService = playerManagerService;
}
@ -41,17 +41,24 @@ public class PlayerController {
}
@GetMapping(value = "/avatar/{id}")
public ResponseEntity<byte[]> getPlayerHead(@PathVariable String id) {
@GetMapping(value = "/{part}/{id}")
public ResponseEntity<byte[]> getPlayerHead(@PathVariable String part,
@PathVariable String id,
@RequestParam(required = false, defaultValue = "250") int size) {
Player player = playerManagerService.getPlayer(id);
byte[] headBytes;
if (player == null) {
headBytes = defaultHead.getPartData();
} else {
byte[] headBytes = new byte[0];
if (player != null) {
Skin skin = player.getSkin();
SkinPart head = skin.getHead();
headBytes = head.getPartData();
SkinPart skinPart = skin.getPart(part);
if (skinPart != null) {
headBytes = skinPart.getPartData(size);
}
}
if (headBytes == null) {
headBytes = defaultHead.getPartData(size);
}
return ResponseEntity.ok()
.cacheControl(cacheControl)
.contentType(MediaType.IMAGE_PNG)

4
src/main/java/cc/fascinated/api/controller/ExceptionControllerAdvice.java → src/main/java/cc/fascinated/exception/ExceptionControllerAdvice.java
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@ -1,6 +1,6 @@
package cc.fascinated.api.controller;
package cc.fascinated.exception;
import cc.fascinated.api.model.ErrorResponse;
import cc.fascinated.model.ErrorResponse;
import io.micrometer.common.lang.NonNull;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;

38
src/main/java/cc/fascinated/mojang/MojangAPIService.java
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@ -1,38 +0,0 @@
package cc.fascinated.mojang;
import cc.fascinated.mojang.types.MojangApiProfile;
import cc.fascinated.mojang.types.MojangSessionServerProfile;
import cc.fascinated.util.WebRequest;
import lombok.extern.log4j.Log4j2;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
@Service @Log4j2
public class MojangAPIService {
@Value("${mojang.session-server}")
private String mojangSessionServerUrl;
@Value("${mojang.api}")
private String mojangApiUrl;
/**
* Gets the Session Server profile of the player with the given UUID.
*
* @param id the uuid or name of the player
* @return the profile
*/
public MojangSessionServerProfile getSessionServerProfile(String id) {
return WebRequest.get(mojangSessionServerUrl + "/session/minecraft/profile/" + id, MojangSessionServerProfile.class);
}
/**
* Gets the Mojang API profile of the player with the given UUID.
*
* @param id the name of the player
* @return the profile
*/
public MojangApiProfile getApiProfile(String id) {
return WebRequest.get(mojangApiUrl + "/users/profiles/minecraft/" + id, MojangApiProfile.class);
}
}

22
src/main/java/cc/fascinated/mojang/types/MojangApiProfile.java
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@ -1,22 +0,0 @@
package cc.fascinated.mojang.types;
import lombok.Getter;
import lombok.ToString;
@Getter @ToString
public class MojangApiProfile {
private String id;
private String name;
public MojangApiProfile() {}
/**
* Check if the profile is valid.
*
* @return if the profile is valid
*/
public boolean isValid() {
return id != null && name != null;
}
}

42
src/main/java/cc/fascinated/mojang/types/MojangSessionServerProfile.java
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@ -1,42 +0,0 @@
package cc.fascinated.mojang.types;
import lombok.Getter;
import lombok.ToString;
import java.util.ArrayList;
import java.util.List;
@Getter @ToString
public class MojangSessionServerProfile {
/**
* The UUID of the player.
*/
private String id;
/**
* The name of the player.
*/
private String name;
/**
* The properties for the player.
*/
private final List<MojangSessionServerProfileProperties> properties = new ArrayList<>();
public MojangSessionServerProfile() {}
/**
* Get the texture property for the player.
*
* @return the texture property
*/
public MojangSessionServerProfileProperties getTextureProperty() {
for (MojangSessionServerProfileProperties property : properties) {
if (property.getName().equals("textures")) {
return property;
}
}
return null;
}
}

12
src/main/java/cc/fascinated/mojang/types/MojangSessionServerProfileProperties.java
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@ -1,12 +0,0 @@
package cc.fascinated.mojang.types;
import lombok.Getter;
import lombok.ToString;
@Getter @ToString
public class MojangSessionServerProfileProperties {
private String name;
private String value;
public MojangSessionServerProfileProperties() {}
}

79
src/main/java/cc/fascinated/player/PlayerManagerService.java
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@ -1,79 +0,0 @@
package cc.fascinated.player;
import cc.fascinated.mojang.MojangAPIService;
import cc.fascinated.mojang.types.MojangApiProfile;
import cc.fascinated.mojang.types.MojangSessionServerProfile;
import cc.fascinated.player.impl.Player;
import cc.fascinated.util.UUIDUtils;
import lombok.extern.log4j.Log4j2;
import net.jodah.expiringmap.ExpirationPolicy;
import net.jodah.expiringmap.ExpiringMap;
import org.springframework.stereotype.Service;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
@Service @Log4j2
public class PlayerManagerService {
/**
* The cache of players.
*/
private final Map<UUID, Player> players = ExpiringMap.builder()
.expiration(1, TimeUnit.HOURS)
.expirationPolicy(ExpirationPolicy.CREATED)
.build();
/**
* The cache of player names to UUIDs.
*/
private final Map<String, UUID> playerNameToUUIDCache = ExpiringMap.builder()
.expiration(1, TimeUnit.DAYS)
.expirationPolicy(ExpirationPolicy.CREATED)
.build();
private final MojangAPIService mojangAPIService;
public PlayerManagerService(MojangAPIService mojangAPIService) {
this.mojangAPIService = mojangAPIService;
}
/**
* Gets a player by their UUID.
*
* @param id the uuid or name of the player
* @return the player or null if the player does not exist
*/
public Player getPlayer(String id) {
UUID uuid = null;
if (id.length() == 32 || id.length() == 36) {
try {
uuid = UUID.fromString(id.length() == 32 ? UUIDUtils.addUUIDDashes(id) : id);
} catch (Exception ignored) {}
} else {
uuid = playerNameToUUIDCache.get(id.toUpperCase());
}
if (uuid != null && players.containsKey(uuid)) {
return players.get(uuid);
}
MojangSessionServerProfile profile = uuid == null ? null : mojangAPIService.getSessionServerProfile(uuid.toString());
if (profile == null) {
MojangApiProfile apiProfile = mojangAPIService.getApiProfile(id);
if (apiProfile == null || !apiProfile.isValid()) {
return null;
}
profile = mojangAPIService.getSessionServerProfile(apiProfile.getId().length() == 32 ? UUIDUtils.addUUIDDashes(apiProfile.getId()) : apiProfile.getId());
}
if (profile == null) { // The player cannot be found using their name or UUID
log.info("Player with id {} could not be found", id);
return null;
}
Player player = new Player(profile);
players.put(player.getUuid(), player);
playerNameToUUIDCache.put(player.getName().toUpperCase(), player.getUuid());
return player;
}
}

13
src/main/java/cc/fascinated/player/impl/Cape.java
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@ -1,13 +0,0 @@
package cc.fascinated.player.impl;
import lombok.AllArgsConstructor;
import lombok.Getter;
@Getter @AllArgsConstructor
public class Cape {
/**
* The URL of the cape
*/
private final String url;
}

70
src/main/java/cc/fascinated/player/impl/Player.java
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@ -1,70 +0,0 @@
package cc.fascinated.player.impl;
import cc.fascinated.Consts;
import cc.fascinated.Main;
import cc.fascinated.mojang.types.MojangSessionServerProfile;
import cc.fascinated.mojang.types.MojangSessionServerProfileProperties;
import cc.fascinated.util.UUIDUtils;
import com.google.gson.JsonObject;
import lombok.Getter;
import java.util.UUID;
@Getter
public class Player {
/**
* The UUID of the player
*/
private final UUID uuid;
/**
* The name of the player
*/
private final String name;
/**
* The avatar URL of the player
*/
private final String avatarUrl;
/**
* The skin of the player
* <p>
* This will be null if the player does not have a skin.
* </p>
*/
private Skin skin;
/**
* The cape of the player
* <p>
* This will be null if the player does not have a cape.
* </p>
*/
private Cape cape;
public Player(MojangSessionServerProfile profile) {
this.uuid = UUID.fromString(UUIDUtils.addUUIDDashes(profile.getId()));
this.name = profile.getName();
this.avatarUrl = Consts.getSITE_URL() + "/avatar/" + this.uuid;
MojangSessionServerProfileProperties textureProperty = profile.getTextureProperty();
if (textureProperty == null) {
return;
}
// Decode the texture property
String decoded = new String(java.util.Base64.getDecoder().decode(textureProperty.getValue()));
// Parse the decoded JSON
JsonObject json = Main.getGSON().fromJson(decoded, JsonObject.class);
JsonObject texturesJson = json.getAsJsonObject("textures");
JsonObject skinJson = texturesJson.getAsJsonObject("SKIN");
JsonObject capeJson = texturesJson.getAsJsonObject("CAPE");
JsonObject metadataJson = skinJson.get("metadata").getAsJsonObject();
this.skin = new Skin(skinJson.get("url").getAsString(), SkinType.fromString(metadataJson.get("model").getAsString()));
this.cape = new Cape(capeJson.get("url").getAsString());
}
}

80
src/main/java/cc/fascinated/player/impl/Skin.java
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@ -1,80 +0,0 @@
package cc.fascinated.player.impl;
import cc.fascinated.Main;
import com.fasterxml.jackson.annotation.JsonIgnore;
import lombok.Getter;
import lombok.SneakyThrows;
import lombok.extern.log4j.Log4j2;
import java.io.InputStream;
import java.net.URI;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
@Getter @Log4j2
public class Skin {
/**
* The URL of the skin
*/
private final String url;
/**
* The model of the skin
*/
private final SkinType model;
/**
* The bytes of the skin
*/
@JsonIgnore
private final byte[] skinBytes;
/**
* The head of the skin
*/
@JsonIgnore
private final SkinPart head;
public Skin(String url, SkinType model) {
this.url = url;
this.model = model;
this.skinBytes = this.getSkinData();
// The skin parts
this.head = new SkinPart(this.skinBytes, SkinPartEnum.HEAD);
}
/**
* Gets the skin data from the URL.
*
* @return the skin data
*/
@SneakyThrows @JsonIgnore
public byte[] getSkinData() {
HttpRequest request = HttpRequest.newBuilder()
.uri(new URI(this.url))
.GET()
.build();
return Main.getCLIENT().send(request, HttpResponse.BodyHandlers.ofByteArray()).body();
}
/**
* Gets the default/fallback head.
*
* @return the default head
*/
public static SkinPart getDefaultHead() {
try (InputStream stream = Main.class.getClassLoader().getResourceAsStream("images/default_head.png")) {
if (stream == null) {
return null;
}
byte[] bytes = stream.readAllBytes();
return new SkinPart(bytes, SkinPartEnum.HEAD);
} catch (Exception ex) {
log.warn("Failed to load default head", ex);
return null;
}
}
}

95
src/main/java/cc/fascinated/player/impl/SkinPart.java
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@ -1,95 +0,0 @@
package cc.fascinated.player.impl;
import lombok.Getter;
import lombok.extern.log4j.Log4j2;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
@Getter @Log4j2
public class SkinPart {
/**
* The whole skin data.
*/
private final byte[] data;
/**
* The X coordinate of the part.
*/
private final int x;
/**
* The Y coordinate of the part.
*/
private final int y;
/**
* The width of the part.
*/
private final int width;
/**
* The height of the part.
*/
private final int height;
/**
* The scale of the part output.
*/
private final int scale;
/**
* The part data from the skin.
*/
private byte[] partBytes;
public SkinPart(byte[] data, SkinPartEnum skinPartEnum) {
this.data = data;
this.x = skinPartEnum.getX();
this.y = skinPartEnum.getY();
this.width = skinPartEnum.getWidth();
this.height = skinPartEnum.getHeight();
this.scale = skinPartEnum.getScale();
}
/**
* Gets the part data from the skin.
*
* @return the part data
*/
public byte[] getPartData() {
if (this.partBytes != null) {
return this.partBytes;
}
try {
BufferedImage image = ImageIO.read(new ByteArrayInputStream(this.data));
if (image == null) {
return null;
}
// Get the part of the image (e.g. the head)
BufferedImage partImage = image.getSubimage(this.x, this.y, this.width, this.height);
// Scale the image
int width = partImage.getWidth() * this.scale;
int height = partImage.getHeight() * this.scale;
BufferedImage scaledImage = new BufferedImage(width, height, partImage.getType());
Graphics2D graphics2D = scaledImage.createGraphics();
graphics2D.drawImage(partImage, 0, 0, width, height, null);
graphics2D.dispose();
partImage = scaledImage;
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
ImageIO.write(partImage, "png", byteArrayOutputStream);
this.partBytes = byteArrayOutputStream.toByteArray();
return this.partBytes;
} catch (Exception ex) {
log.error("Failed to read image from skin data.", ex);
return null;
}
}
}

16
src/main/java/cc/fascinated/player/impl/SkinPartEnum.java
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@ -1,16 +0,0 @@
package cc.fascinated.player.impl;
import lombok.AllArgsConstructor;
import lombok.Getter;
@Getter @AllArgsConstructor
public enum SkinPartEnum {
HEAD(8, 8, 8, 8, 20);
private final int x;
private final int y;
private final int width;
private final int height;
private final int scale;
}

22
src/main/java/cc/fascinated/player/impl/SkinType.java
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@ -1,22 +0,0 @@
package cc.fascinated.player.impl;
public enum SkinType {
DEFAULT,
SLIM;
/**
* Get the skin type from a string
*
* @param string the string
* @return the skin type
*/
public static SkinType fromString(String string) {
for (SkinType type : values()) {
if (type.name().equalsIgnoreCase(string)) {
return type;
}
}
return null;
}
}

2
src/main/resources/application.yml
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@ -5,7 +5,7 @@ server:
whitelabel:
enabled: false
site-url: http://localhost:80
public-url: http://localhost:80
mojang:
session-server: https://sessionserver.mojang.com

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10
src/main/resources/templates/error.html
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@ -1,19 +1,23 @@
<!doctype html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<html lang="en">
<head>
<title>Minecraft Helper</title>
<title>Minecraft Utilities</title>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<!-- Discord Meta Tags -->
<meta name="description" content="Wrapper for the Minecraft APIs to make them easier to use.">
<meta name="theme-color" content="#3498DB">
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="flex flex-col h-screen mt-5 items-center bg-neutral-900 text-white text-center">
<p class="font-bold text-red-600">Oh, no!</p>
<p>You have encountered an error.</p>
<img class="mt-5 h-[30rem]" src="https://cdn.fascinated.cc/Ft2OVY.gif" alt="Error Gif"/>
<img class="mt-5 h-[30rem]" src="https://cdn.fascinated.cc/Dc0g0o3lP1j.gif" alt="Error Gif"/>
</body>
</html>

6
src/main/resources/templates/index.html
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@ -1,13 +1,17 @@
<!doctype html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
<title>Minecraft Helper</title>
<title>Minecraft Utilities</title>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<!-- Discord Meta Tags -->
<meta name="description" content="Wrapper for the Minecraft APIs to make them easier to use.">
<meta name="theme-color" content="#3498DB">
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="flex flex-col h-screen mt-5 items-center bg-neutral-900 text-white text-center">