mirai-console-permission-service-example

mirai-console-permission-service-example.md

mirai-console-permission-service-example

MiraiConsolePermissionServiceExample.java

import kotlin.Lazy;
import kotlin.LazyKt;
import net.mamoe.mirai.console.permission.*;
import net.mamoe.mirai.console.plugin.jvm.JavaPlugin;
import net.mamoe.mirai.console.plugin.jvm.JvmPluginDescriptionBuilder;
import net.mamoe.mirai.contact.Member;
import net.mamoe.mirai.contact.User;

class JPlugin extends JavaPlugin {
    public static final JPlugin INSTANCE = new JPlugin();

    private JPlugin() {
        super(new JvmPluginDescriptionBuilder("org.example.ps-example", "0.0.0").build());
    }

    private final Lazy<Permission> myCustomPermission = LazyKt.lazy(() -> {  // Lazy: Lazy 是必须的, console 不允许提前访问权限系统
        // 注册一条权限节点 org.example.ps-example:my-permission
        // 并以 org.example.ps-example:* 为父节点


        // @param: parent: 父权限
        //                 在 Console 内置权限系统中, 如果某人拥有父权限
        //                 那么意味着此人也拥有该权限 (io.github.karlatemp.ps-example:my-permission)
        // @func: PermissionIdNamespace.permissionId: 根据插件 id 确定一条权限 id
        try {
            return PermissionService.getInstance().register(
                    permissionId("my-permission"),
                    "一条自定义权限",
                    getParentPermission()
            );
        } catch (PermissionRegistryConflictException e) {
            throw new RuntimeException(e);
        }
    });

    public boolean hasCustomPermission(User usr) {
        PermitteeId pid;
        if (usr instanceof Member) {
            pid = new AbstractPermitteeId.ExactMember(((Member) usr).getGroup().getId(), usr.getId());
        } else {
            pid = new AbstractPermitteeId.ExactUser(usr.getId());
        }
        return PermissionService.hasPermission(pid, myCustomPermission.getValue());
    }
}

MiraiConsolePermissionServiceExample.kt

import net.mamoe.mirai.console.permission.AbstractPermitteeId
import net.mamoe.mirai.console.permission.PermissionService
import net.mamoe.mirai.console.permission.PermissionService.Companion.hasPermission
import net.mamoe.mirai.console.plugin.jvm.JvmPluginDescription
import net.mamoe.mirai.console.plugin.jvm.KotlinPlugin
import net.mamoe.mirai.contact.Member
import net.mamoe.mirai.contact.User

object KtPlugin : KotlinPlugin(
    JvmPluginDescription(id = "org.example.ps-example", version = "0.0.0")
) {
    private val myCustomPermission by lazy { // Lazy: Lazy 是必须的, console 不允许提前访问权限系统
        // 注册一条权限节点 org.example.ps-example:my-permission
        // 并以 org.example.ps-example:* 为父节点

        // @param: parent: 父权限
        //                 在 Console 内置权限系统中, 如果某人拥有父权限
        //                 那么意味着此人也拥有该权限 (org.example.ps-example:my-permission)
        // @func: PermissionIdNamespace.permissionId: 根据插件 id 确定一条权限 id
        PermissionService.INSTANCE.register(permissionId("my-permission"), "一条自定义权限", parentPermission)
    }

    public fun hasCustomPermission(sender: User): Boolean {
        return when (sender) {
            is Member -> AbstractPermitteeId.ExactMember(sender.group.id, sender.id)
            else -> AbstractPermitteeId.ExactUser(sender.id)
        }.hasPermission(myCustomPermission)
    }
}