✨add antiRaid

config.example.ts

@@ -9,6 +9,8 @@ export default <UserConfigInterface>{
     dbFile: '',
     autoBan: true,
     autoBanThreshold: 3,
+    antiRaidMembers: 3,
+    antiRaidRoles: 2,
     repTriggers: [],
     repEmote: '',
     activities: ['Serving NaN users!'],
@@ -24,6 +26,9 @@ export default <UserConfigInterface>{
     },
     roleIDs: {
         muted: '',
-        verified: ''
+        verified: '',
+        staff: '',
+        senior: '',
+        mvp: ''
     }
 }

package.json

@@ -7,6 +7,7 @@
   "license": "MIT",
   "private": false,
   "scripts": {
+    "start": "ts-node ./src/main.ts --strict",
     "dev": "nodemon --exec ts-node ./src/main.ts --strict",
     "lint": "prettier --check ./src",
     "lint:fix": "prettier --write ./src"

src/Devmod.ts

@@ -16,7 +16,7 @@ import { log } from './utils/log'
 import { Create } from './utils/submodules/Create'
 import { Moderation } from './utils/submodules/Moderation'
 import { Utils } from './utils/submodules/Utils'
-import { commandListener } from './processes/commandListener'
+import { antiraidListener } from './processes/antiraidListener'
 import { SubmodulesInterface } from './types/interfaces/SubmodulesInterface'
 import { DevmodError } from './types/errors/DevmodError'
 
@@ -35,7 +35,7 @@ export class Devmod {
 
         // Create a list of processes to be run with the bot
         const processes: ProcessInterface[] = [
-            commandListener
+            antiraidListener
             // other listeners to come
         ]
 

src/processes/antiraidListener.ts

@@ -0,0 +1,86 @@
+/*
+ * André Weller 2020
+ * Process file for the antiraid listener
+ */
+
+import { Client, Message } from 'discord.js'
+import { ConfigInterface } from '../types/interfaces/ConfigInterface'
+import { ProcessInterface } from '../types/interfaces/ProcessInterface'
+import { SubmodulesInterface } from '../types/interfaces/SubmodulesInterface'
+
+import * as moment from 'moment'
+
+export const antiraidListener: ProcessInterface = {
+    name: 'AntiraidListener',
+    init(client: Client, config: ConfigInterface, sub: SubmodulesInterface) {
+        const mentions = new Map()
+        const mutedRole = config.roleIDs.muted
+
+        // NOTE: Pull from config, same role is achieved
+        const staffRoleId = config.roleIDs.staff
+
+        // NOTE: Get role from config
+        // Deprecated
+        // const seniorRoleId = config.roleIDs.senior
+
+        const maxMentionedRoles = config.antiRaidRoles
+        const maxMentionedMemebers = config.antiRaidMembers
+        const maxMentionedEverything = maxMentionedRoles + maxMentionedMemebers
+
+        // DEBUG: Debug console log for role comparison
+        // console.log(staffRole, seniorRole)
+
+        client.on('message', async (message: Message) => {
+            if (message.author.bot || message.channel.type === 'dm') return
+
+            const lastKnownTimestamp = mentions.get(message.author.id) ?? null
+
+            const userRoleIds = message.member.roles.cache.map(r => r.id)
+
+            const isStaff = userRoleIds.find(r => r === staffRoleId)
+
+            if (isStaff) {
+                return
+            } else {
+                const {
+                    users: { size: mentionedUsers },
+                    roles: { size: mentionedRoles }
+                } = message.mentions
+
+                if (
+                    mentionedRoles > maxMentionedRoles ||
+                    mentionedUsers > maxMentionedMemebers ||
+                    mentionedUsers + mentionedRoles > maxMentionedEverything
+                ) {
+                    lastKnownTimestamp
+                        ? checkOffender(message, lastKnownTimestamp)
+                        : addOffenderToList(message)
+                }
+            }
+        })
+
+        const addOffenderToList = message => {
+            mentions.set(message.author.id, [message.createdTimestamp])
+        }
+
+        const checkOffender = (message, lastKnownTimestamp) => {
+            const startDate = moment(message.createdTimestamp * 1000)
+            const endDate = moment(lastKnownTimestamp * 1000)
+
+            const diff = startDate.diff(endDate)
+
+            diff > 10 ? triggerAntiraid(message) : addOffenderToList(message)
+        }
+
+        const triggerAntiraid = async message => {
+            await message.delete()
+            message.member.roles.add(mutedRole)
+            addOffenderToList(message)
+
+            // TODO: Send message to #mod-log
+            message.channel.send(
+                `<@${message.author.id}> messed with the honk, so he got the bonk. (<@&${staffRoleId}>)`
+            )
+        }
+    }
+}

src/types/interfaces/ConfigInterface.ts

@@ -27,6 +27,8 @@ export interface ConfigInterface {
     dbFile: string
     autoBan: boolean
     autoBanThreshold: number
+    antiRaidMembers: number
+    antiRaidRoles: number
     repTriggers: string[]
     repEmote: string
     activities: string[]

src/types/interfaces/ConfigRolesInterface.ts

@@ -8,9 +8,11 @@ import { Role, RoleResolvable } from 'discord.js'
 export interface ConfigRoleInterface {
     muted: RoleResolvable
     verified: RoleResolvable
+    staff: RoleResolvable
 }
 
 export interface LiveConfigRoleInterface {
     muted?: Role
     verified?: Role
+    staff?: Role
 }

src/types/interfaces/UserConfigInterface.ts

@@ -18,6 +18,8 @@ export interface UserConfigInterface {
     dbFile?: string
     autoBan?: boolean
     autoBanThreshold?: number
+    antiRaidMembers?: number
+    antiRaidRoles?: number
     repTriggers?: string[]
     repEmote?: string
     activities?: string[]

src/utils/config/mergeConfig.ts

@@ -20,6 +20,8 @@ export const mergeConfigs = (config: UserConfigInterface): ConfigInterface => {
         dbFile: config.dbFile || join(__dirname, '..', '..', '..', 'devmod.db'), // Absolute path for the database file.
         autoBan: config.autoBan || true, // Whether or not to enforce auto-banning after a specified number of warnings.
         autoBanThreshold: config.autoBanThreshold || 3, // Amount of warnings to warrant an auto-ban if enabled.
+        antiRaidMembers: config.antiRaidMembers || 1, // Amount of members that are allowed to be pinged in a message
+        antiRaidRoles: config.antiRaidRoles || 2, // Amount of roles that are allowed to be pinged in a message
         repTriggers: config.repTriggers || ['thanks', 'kudos'], // List of triggers for thanking users.
         repEmote: config.repEmote || '👍', // The emoji to prefix the thanks received message with.
         activities: config.activities || ['Serving NaN users!'], // List of activities for the bot to show as a status.
@@ -35,7 +37,8 @@ export const mergeConfigs = (config: UserConfigInterface): ConfigInterface => {
         },
         roleIDs: {
             muted: config.roleIDs.muted, // ID of the role to apply to muted users.
-            verified: config.roleIDs.verified // ID of the role to apply to verified users.
+            verified: config.roleIDs.verified, // ID of the role to apply to verified users.
+            staff: config.roleIDs.staff // ID of the role for staff on the server.
         }
     }
 }