PlotSquared/Bukkit/src/main/java/com/plotsquared/bukkit/permissions/LuckPermsRangedPermissionResolver.java
2025-05-31 15:28:26 +02:00

96 lines
4.0 KiB
Java

/*
* PlotSquared, a land and world management plugin for Minecraft.
* Copyright (C) IntellectualSites <https://intellectualsites.com>
* Copyright (C) IntellectualSites team and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package com.plotsquared.bukkit.permissions;
import com.plotsquared.core.permissions.RangedPermissionResolver;
import com.plotsquared.core.player.PlotPlayer;
import com.plotsquared.core.util.MathMan;
import net.luckperms.api.LuckPerms;
import net.luckperms.api.context.ImmutableContextSet;
import net.luckperms.api.model.user.User;
import net.luckperms.api.node.NodeType;
import net.luckperms.api.node.types.PermissionNode;
import net.luckperms.api.query.QueryOptions;
import org.bukkit.Bukkit;
import org.checkerframework.checker.index.qual.NonNegative;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
import java.util.Objects;
import java.util.stream.IntStream;
public class LuckPermsRangedPermissionResolver implements RangedPermissionResolver {
private final LuckPerms luckPerms;
public LuckPermsRangedPermissionResolver() {
this.luckPerms = Objects.requireNonNull(
Bukkit.getServicesManager().getRegistration(LuckPerms.class),
"LuckPerms is not available"
).getProvider();
}
@Override
public @NonNegative int getPermissionRange(
final @NonNull PlotPlayer<?> player,
final @NonNull String stub,
final @Nullable String worldContext,
final @NonNegative int range
) {
// no need to use LuckPerms for basic checks
if (this.hasWildcardRange(player, stub, worldContext)) {
return INFINITE_RANGE_VALUE;
}
return this.streamFullPermissionRange(player, stub, worldContext, range)
.sorted()
.reduce((first, second) -> second)
.orElse(0);
}
@NonNull
public IntStream streamFullPermissionRange(
final @NonNull PlotPlayer<?> player,
final @NonNull String stub,
final @Nullable String worldContext,
@NonNegative final int range
) {
final User user = this.luckPerms.getUserManager().getUser(player.getUUID());
if (user == null) {
throw new IllegalStateException("Luckperms User is null - is the Player online? (UUID: %s)".formatted(player.getUUID()));
}
final QueryOptions queryOptions = worldContext == null ?
QueryOptions.nonContextual() :
QueryOptions.contextual(ImmutableContextSet.of("world", worldContext));
return user.resolveInheritedNodes(queryOptions).stream()
// only support normal permission nodes (regex permission nodes would be a pita to support)
.filter(NodeType.PERMISSION::matches)
.map(node -> ((PermissionNode) node).getPermission())
// check that the node actually has additional data after the stub
.filter(permission -> permission.startsWith(stub + "."))
// extract the raw data after the stub
.map(permission -> permission.substring(stub.length() + 1))
// check if data is integer and parse
.filter(MathMan::isInteger)
.mapToInt(Integer::parseInt)
// only use values that are positive
.filter(value -> value > -1);
}
}