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com.github.shynixn.petblocks.bukkit.logic.business.helper.SkinHelper Maven / Gradle / Ivy

package com.github.shynixn.petblocks.bukkit.logic.business.helper;

import com.mojang.authlib.GameProfile;
import com.mojang.authlib.properties.Property;
import org.bukkit.Bukkit;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.inventory.meta.SkullMeta;
import org.yaml.snakeyaml.external.biz.base64Coder.Base64Coder;

import java.lang.reflect.Field;
import java.util.Collection;
import java.util.Optional;
import java.util.UUID;
import java.util.logging.Level;

/**
 * Created by Shynixn 2017.
 * 

* Version 1.1 *

* MIT License *

* Copyright (c) 2017 by Shynixn *

* Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: *

* The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. *

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ public class SkinHelper { public static void setItemStackSkin(ItemStack itemStack, String skin) { final ItemMeta meta = itemStack.getItemMeta(); if (!(meta instanceof SkullMeta)) { return; } String newSkin = skin; if (newSkin.contains("textures.minecraft.net")) { if (!newSkin.startsWith("http://")) { newSkin = "http://" + newSkin; } try { final Class cls = createClass("org.bukkit.craftbukkit.VERSION.inventory.CraftMetaSkull"); final Object real = cls.cast(meta); final Field field = real.getClass().getDeclaredField("profile"); field.setAccessible(true); field.set(real, getNonPlayerProfile(newSkin)); itemStack.setItemMeta(SkullMeta.class.cast(real)); } catch (IllegalArgumentException | IllegalAccessException | NoSuchFieldException | SecurityException | ClassNotFoundException e) { Bukkit.getLogger().log(Level.WARNING, "Failed to set url of itemstack.", e); } } else { ((SkullMeta) meta).setOwner(skin); itemStack.setItemMeta(meta); } } public static Optional getItemStackSkin(ItemStack itemStack) { final ItemMeta meta = itemStack.getItemMeta(); if (!(meta instanceof SkullMeta)) { return Optional.empty(); } final SkullMeta skullMeta = (SkullMeta) meta; if (skullMeta.getOwner() != null) { return Optional.of(skullMeta.getOwner()); } else { final Optional s = obtainSkinFromSkull(meta); if (s != null) return s; } return Optional.empty(); } private static Optional obtainSkinFromSkull(ItemMeta meta) { try { final Class cls = createClass("org.bukkit.craftbukkit.VERSION.inventory.CraftMetaSkull"); final Object real = cls.cast(meta); final Field field = real.getClass().getDeclaredField("profile"); field.setAccessible(true); final GameProfile profile = (GameProfile) field.get(real); final Collection props = profile.getProperties().get("textures"); for (final Property property : props) { if (property.getName().equals("textures")) { final String text = Base64Coder.decodeString(property.getValue()); final StringBuilder s = new StringBuilder(); boolean start = false; for (int i = 0; i < text.length(); i++) { if (text.charAt(i) == '"') { start = !start; } else if (start) { s.append(text.charAt(i)); } } return Optional.of(s.toString()); } } } catch (IllegalArgumentException | IllegalAccessException | NoSuchFieldException | SecurityException | ClassNotFoundException e) { Bukkit.getLogger().log(Level.WARNING, "Failed to set url of itemstack.", e); } return Optional.empty(); } private static Class createClass(String path) throws ClassNotFoundException { final String version = Bukkit.getServer().getClass().getPackage().getName().replace(".", ",").split(",")[3]; return Class.forName(path.replace("VERSION", version)); } private static GameProfile getNonPlayerProfile(String skinUrl) { final GameProfile newSkinProfile = new GameProfile(UUID.randomUUID(), null); newSkinProfile.getProperties().put("textures", new Property("textures", Base64Coder.encodeString("{textures:{SKIN:{url:\"" + skinUrl + "\"}}}"))); return newSkinProfile; } }





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