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/** |
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* This file is part of SudoBot. |
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* |
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* Copyright (C) 2021-2023 OSN Developers. |
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* |
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* SudoBot is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Affero General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* SudoBot is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with SudoBot. If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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|
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import { ReactionRole } from "@prisma/client"; |
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import { Client, GuildMember, PermissionsString, Routes, Snowflake } from "discord.js"; |
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import Service from "../core/Service"; |
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import { GatewayEventListener } from "../decorators/GatewayEventListener"; |
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import { HasEventListeners } from "../types/HasEventListeners"; |
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import { log, logError } from "../utils/Logger"; |
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import { safeMemberFetch } from "../utils/fetch"; |
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|
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export const name = "reactionRoleService"; |
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|
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interface UserRequestInfo { |
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timestamps: number[]; |
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timeout?: Timer; |
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} |
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|
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type RawMessageReactionData = { |
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t: "MESSAGE_REACTION_ADD" | "MESSAGE_REACTION_REMOVE"; |
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d: { |
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user_id: string; |
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message_id: string; |
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channel_id: string; |
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guild_id: string; |
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emoji: { |
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name: string; |
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id?: string; |
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}; |
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member?: { |
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user: { |
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bot: boolean; |
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}; |
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}; |
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}; |
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}; |
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|
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export default class ReactionRoleService extends Service implements HasEventListeners { |
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readonly reactionRoleEntries = new Map<string, ReactionRole | undefined>(); |
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readonly users: Record<string, UserRequestInfo> = {}; |
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readonly rateLimited = new Map<string, number>(); |
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|
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@GatewayEventListener("ready") |
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async onReady(client: Client<true>) { |
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log("Syncing reaction roles..."); |
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|
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const reactionRoles = await this.client.prisma.reactionRole.findMany({ |
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where: { |
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guildId: { |
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in: [...client.guilds.cache.keys()] |
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} |
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} |
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}); |
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|
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for (const reactionRole of reactionRoles) { |
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this.reactionRoleEntries.set( |
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`${reactionRole.guildId}_${reactionRole.channelId}_${reactionRole.messageId}_${reactionRole.emoji}`, |
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reactionRole |
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); |
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} |
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|
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log("Successfully synced reaction roles"); |
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} |
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|
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@GatewayEventListener("raw") |
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async onRaw(data: RawMessageReactionData) { |
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if (data.t !== "MESSAGE_REACTION_ADD" && data.t !== "MESSAGE_REACTION_REMOVE") { |
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return; |
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} |
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|
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if (!this.client.configManager.config[data.d.guild_id]?.reaction_roles?.enabled) { |
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return; |
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} |
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|
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log(JSON.stringify(data, null, 2)); |
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|
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const config = this.client.configManager.config[data.d.guild_id]?.reaction_roles?.ratelimiting; |
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|
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if (config?.enabled) { |
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const rateLimitedAt = this.rateLimited.get(data.d.user_id) ?? 0; |
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|
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if (Date.now() - rateLimitedAt < config.block_duration) { |
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log("The user has hit a ratelimit."); |
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return; |
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} |
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|
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this.rateLimited.delete(data.d.user_id); |
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|
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if (!this.users[data.d.user_id]) { |
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this.users[data.d.user_id] = { |
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timestamps: [] |
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}; |
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} |
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|
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const info = this.users[data.d.user_id]; |
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|
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info.timestamps.push(Date.now()); |
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} |
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|
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const { aborted, member, reactionRole } = await this.processRequest(data, data.t === "MESSAGE_REACTION_ADD"); |
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|
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if (aborted) { |
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log("Request aborted"); |
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this.setTimeout(data.d.user_id, data.d.guild_id); |
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return; |
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} |
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|
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try { |
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if (data.t === "MESSAGE_REACTION_ADD") { |
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await member?.roles.add(reactionRole!.roles, "Adding reaction roles"); |
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} else { |
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await member?.roles.remove(reactionRole!.roles, "Removing reaction roles"); |
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} |
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} catch (e) { |
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logError(e); |
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} |
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|
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this.setTimeout(data.d.user_id, data.d.guild_id); |
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} |
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|
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setTimeout(userId: string, guildId: string) { |
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if (!this.users[userId]) { |
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return; |
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} |
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|
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this.users[userId].timeout ??= setTimeout(() => { |
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const config = this.client.configManager.config[guildId]?.reaction_roles?.ratelimiting; |
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|
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if (config?.enabled) { |
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const delayedInfo = this.users[userId]; |
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const timestamps = delayedInfo.timestamps.filter(timestamp => config.timeframe + timestamp >= Date.now()); |
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|
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if (timestamps.length >= config.max_attempts) { |
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this.rateLimited.set(userId, Date.now()); |
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} |
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} |
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|
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delete this.users[userId]; |
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}, 9000); |
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} |
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|
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async processRequest( |
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data: RawMessageReactionData, |
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permissionChecks = true |
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): Promise<{ |
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aborted: boolean; |
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reactionRole?: ReactionRole; |
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member?: GuildMember; |
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removedPreviousRoles?: boolean; |
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}> { |
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const emoji = data.d.emoji; |
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const userId = data.d.user_id; |
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const messageId = data.d.message_id; |
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const channelId = data.d.channel_id; |
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const guildId = data.d.guild_id; |
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const isReactionAddEvent = data.t === "MESSAGE_REACTION_ADD"; |
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|
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if (userId === this.client.user?.id) { |
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return { aborted: true }; |
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} |
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|
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if (!guildId) { |
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return { aborted: true }; |
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} |
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|
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const config = this.client.configManager.config[guildId]?.reaction_roles; |
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|
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if (!config?.enabled || (config.ignore_bots && data.d.member?.user?.bot)) { |
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return { aborted: true }; |
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} |
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|
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const entry = this.reactionRoleEntries.get(`${guildId}_${channelId}_${messageId!}_${emoji.id ?? emoji.name}`); |
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|
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if (!entry) { |
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log("Reaction role entry not found, ignoring"); |
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return { aborted: true }; |
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} |
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|
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if (entry.roles.length === 0) { |
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log("No role to add/remove"); |
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return { aborted: true }; |
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} |
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|
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const guild = this.client.guilds.cache.get(guildId); |
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|
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if (!guild) { |
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return { aborted: true }; |
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} |
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|
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const member = await safeMemberFetch(guild, userId); |
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|
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if (!member) { |
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return { aborted: true }; |
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} |
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|
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if (config.ignore_bots && member.user.bot) { |
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return { aborted: true }; |
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} |
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|
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if (permissionChecks) { |
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if (!member.roles.cache.hasAll(...entry.requiredRoles)) { |
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log("Member does not have the required roles"); |
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return await this.removeReactionAndAbort(data); |
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} |
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|
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if (!member.permissions.has("Administrator") && entry.blacklistedUsers.includes(member.user.id)) { |
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log("User is blacklisted"); |
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return await this.removeReactionAndAbort(data); |
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} |
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|
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if (!member.permissions.has(entry.requiredPermissions as PermissionsString[], true)) { |
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log("Member does not have the required permissions"); |
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return await this.removeReactionAndAbort(data); |
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} |
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|
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if (this.client.permissionManager.usesLevelBasedMode(member.guild.id) && entry.level) { |
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const level = (await this.client.permissionManager.getManager(member.guild.id)).getPermissionLevel(member); |
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|
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if (level < entry.level) { |
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log("Member does not have the required permission level"); |
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return await this.removeReactionAndAbort(data); |
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} |
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} |
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} |
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|
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let removedPreviousRoles = false; |
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const reactionsToRemove = []; |
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|
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if (entry?.single && isReactionAddEvent) { |
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for (const value of this.reactionRoleEntries.values()) { |
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if ( |
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value?.guildId === guildId && |
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value?.channelId === channelId && |
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value?.messageId === messageId && |
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member.roles.cache.hasAny(...value!.roles) |
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) { |
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await member.roles.remove(value!.roles, "Taking out the previous roles").catch(logError); |
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removedPreviousRoles = !removedPreviousRoles ? true : removedPreviousRoles; |
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|
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if (reactionsToRemove.length <= 4) { |
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reactionsToRemove.push(`${value?.emoji}`); |
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} |
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} |
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} |
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} |
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|
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if (removedPreviousRoles && reactionsToRemove.length > 0 && reactionsToRemove.length <= 4) { |
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log(reactionsToRemove); |
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|
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for (const reaction of reactionsToRemove) { |
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const isBuiltIn = !/^\d+$/.test(reaction); |
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const emoji = !isBuiltIn |
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? this.client.emojis.cache.find(e => e.id === reaction || e.identifier === reaction) |
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: null; |
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|
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if (!isBuiltIn && !emoji) { |
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continue; |
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} |
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|
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this.removeReactionAndAbort({ |
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...data, |
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d: { |
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...data.d, |
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emoji: (isBuiltIn |
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? reaction |
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: { |
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id: emoji!.id, |
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name: emoji!.name |
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}) as RawMessageReactionData["d"]["emoji"] |
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} |
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}).catch(logError); |
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} |
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} |
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|
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return { aborted: false, member, reactionRole: entry, removedPreviousRoles }; |
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} |
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|
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async removeReactionAndAbort(data: RawMessageReactionData) { |
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await this.client.rest |
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.delete( |
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Routes.channelMessageUserReaction( |
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data.d.channel_id, |
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data.d.message_id, |
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data.d.emoji.id && data.d.emoji.name |
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? `${data.d.emoji.name}:${data.d.emoji.id}` |
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: encodeURIComponent(data.d.emoji.name), |
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data.d.user_id |
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) |
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) |
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.catch(logError); |
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|
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return { aborted: true }; |
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} |
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|
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async createReactionRole({ |
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channelId, |
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messageId, |
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guildId, |
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emoji, |
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roles, |
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mode = "MULTIPLE" |
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}: { |
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channelId: Snowflake; |
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messageId: Snowflake; |
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guildId: Snowflake; |
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emoji: string; |
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roles: Snowflake[]; |
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mode?: "SINGLE" | "MULTIPLE"; |
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}) { |
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const reactionRole = await this.client.prisma.reactionRole.create({ |
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data: { |
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channelId, |
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guildId, |
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messageId, |
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isBuiltInEmoji: !/^\d+$/.test(emoji), |
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emoji, |
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roles, |
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single: mode === "SINGLE" |
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} |
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}); |
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|
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this.reactionRoleEntries.set( |
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`${reactionRole.guildId}_${reactionRole.channelId}_${reactionRole.messageId}_${reactionRole.emoji}`, |
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reactionRole |
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); |
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|
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return reactionRole; |
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} |
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} |
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