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| 1 | +/* |
| 2 | + * This file is part of npc-lib, licensed under the MIT License (MIT). |
| 3 | + * |
| 4 | + * Copyright (c) 2022-2025 Julian M., Pasqual K. and contributors |
| 5 | + * |
| 6 | + * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | + * of this software and associated documentation files (the "Software"), to deal |
| 8 | + * in the Software without restriction, including without limitation the rights |
| 9 | + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | + * copies of the Software, and to permit persons to whom the Software is |
| 11 | + * furnished to do so, subject to the following conditions: |
| 12 | + * |
| 13 | + * The above copyright notice and this permission notice shall be included in |
| 14 | + * all copies or substantial portions of the Software. |
| 15 | + * |
| 16 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | + * THE SOFTWARE. |
| 23 | + */ |
| 24 | + |
| 25 | +package com.github.juliarn.npclib.bukkit.protocol; |
| 26 | + |
| 27 | +import com.comphenix.protocol.wrappers.WrappedGameProfile; |
| 28 | +import com.comphenix.protocol.wrappers.WrappedSignedProperty; |
| 29 | +import com.github.juliarn.npclib.api.profile.Profile; |
| 30 | +import com.github.juliarn.npclib.api.profile.ProfileProperty; |
| 31 | +import com.google.common.collect.HashMultimap; |
| 32 | +import com.google.common.collect.Multimap; |
| 33 | +import java.lang.invoke.MethodHandle; |
| 34 | +import java.lang.invoke.MethodHandles; |
| 35 | +import java.lang.invoke.MethodType; |
| 36 | +import java.util.UUID; |
| 37 | +import org.jetbrains.annotations.NotNull; |
| 38 | + |
| 39 | +/** |
| 40 | + * Factory for GameProfiles when working with ProtocolLib, as the new authlib v7 types are not properly supported. |
| 41 | + */ |
| 42 | +final class ProtocolLibProfileFactory { |
| 43 | + |
| 44 | + private static final MethodHandle CONSTRUCT_PROFILE_MODERN; // (UUID, String, Multimap<String, Property>): Object |
| 45 | + private static final MethodHandle CONSTRUCT_PROFILE_PROPERTY_MODERN; // (String, String, String): Object |
| 46 | + |
| 47 | + static { |
| 48 | + MethodHandle constructGameProfileModern; |
| 49 | + MethodHandle constructGameProfilePropertyModern; |
| 50 | + try { |
| 51 | + Class<?> gameProfileClass = Class.forName("com.mojang.authlib.GameProfile"); |
| 52 | + Class<?> gameProfilePropertyClass = Class.forName("com.mojang.authlib.properties.Property"); |
| 53 | + Class<?> gameProfilePropertyMapClass = Class.forName("com.mojang.authlib.properties.PropertyMap"); |
| 54 | + |
| 55 | + // resolve constructor for constructing a profile property |
| 56 | + MethodHandles.Lookup lookup = MethodHandles.publicLookup(); // everything should be public api |
| 57 | + MethodHandle constructProfileProperty = lookup.findConstructor( |
| 58 | + gameProfilePropertyClass, |
| 59 | + MethodType.methodType(void.class, String.class, String.class, String.class)); |
| 60 | + MethodType propertyAsObject = constructProfileProperty.type().changeReturnType(Object.class); |
| 61 | + constructGameProfilePropertyModern = constructProfileProperty.asType(propertyAsObject); |
| 62 | + |
| 63 | + // resolve constructor for constructing a game profile |
| 64 | + MethodHandle constructGameProfile = lookup.findConstructor( |
| 65 | + gameProfileClass, |
| 66 | + MethodType.methodType(void.class, UUID.class, String.class, gameProfilePropertyMapClass)); |
| 67 | + MethodHandle constructGamePropertiesMap = lookup.findConstructor( |
| 68 | + gameProfilePropertyMapClass, |
| 69 | + MethodType.methodType(void.class, Multimap.class)); |
| 70 | + MethodHandle constructFull = MethodHandles.filterArguments(constructGameProfile, 2, constructGamePropertiesMap); |
| 71 | + MethodType constructFullAsObject = constructFull.type().changeReturnType(Object.class); |
| 72 | + constructGameProfileModern = constructFull.asType(constructFullAsObject); |
| 73 | + } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException ignored) { |
| 74 | + constructGameProfileModern = null; |
| 75 | + constructGameProfilePropertyModern = null; |
| 76 | + } |
| 77 | + |
| 78 | + CONSTRUCT_PROFILE_MODERN = constructGameProfileModern; |
| 79 | + CONSTRUCT_PROFILE_PROPERTY_MODERN = constructGameProfilePropertyModern; |
| 80 | + } |
| 81 | + |
| 82 | + private ProtocolLibProfileFactory() { |
| 83 | + throw new UnsupportedOperationException(); |
| 84 | + } |
| 85 | + |
| 86 | + /** |
| 87 | + * Wraps the given resolved profile into a ProtocolLib {@link WrappedGameProfile}. |
| 88 | + * |
| 89 | + * @param profile the profile to wrap. |
| 90 | + * @return the given profile wrapped into a {@link WrappedGameProfile}. |
| 91 | + * @throws NullPointerException if the given profile is null. |
| 92 | + * @throws IllegalArgumentException if the given profile is invalid. |
| 93 | + * @throws IllegalStateException if the profile construction failed for some reason. |
| 94 | + */ |
| 95 | + public static @NotNull WrappedGameProfile wrapProfile(@NotNull Profile.Resolved profile) { |
| 96 | + if (CONSTRUCT_PROFILE_MODERN != null) { |
| 97 | + // constructs a modern (authlib >= v7) profile using the authlib.GameProfile constructor |
| 98 | + try { |
| 99 | + Multimap<String, Object> properties = HashMultimap.create(); |
| 100 | + for (ProfileProperty prop : profile.properties()) { |
| 101 | + Object property = CONSTRUCT_PROFILE_PROPERTY_MODERN.invokeExact(prop.name(), prop.value(), prop.signature()); |
| 102 | + properties.put(prop.name(), property); |
| 103 | + } |
| 104 | + Object gameProfile = CONSTRUCT_PROFILE_MODERN.invokeExact(profile.uniqueId(), profile.name(), properties); |
| 105 | + return WrappedGameProfile.fromHandle(gameProfile); |
| 106 | + } catch (Throwable thrown) { |
| 107 | + throw new IllegalStateException("Unable to wrap resolved profile into game profile", thrown); |
| 108 | + } |
| 109 | + } else { |
| 110 | + // use the wrapped profile offered by ProtocolLib |
| 111 | + WrappedGameProfile wrappedGameProfile = new WrappedGameProfile(profile.uniqueId(), profile.name()); |
| 112 | + for (ProfileProperty prop : profile.properties()) { |
| 113 | + WrappedSignedProperty wrapped = new WrappedSignedProperty(prop.name(), prop.value(), prop.signature()); |
| 114 | + wrappedGameProfile.getProperties().put(prop.name(), wrapped); |
| 115 | + } |
| 116 | + return wrappedGameProfile; |
| 117 | + } |
| 118 | + } |
| 119 | +} |
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