Revert "forward mentions to management room" feature (#565)

Author: turt2live

config/default.yaml

@@ -65,10 +65,6 @@ recordIgnoredInvites: false
 # (see verboseLogging to adjust this a bit.)
 managementRoom: "#moderators:example.org"
 
-# Forward any messages mentioning the bot user to the mangement room. Repeated mentions within
-# a 10 minute period are ignored.
-forwardMentionsToManagementRoom: false
-
 # Whether Mjolnir should log a lot more messages in the room,
 # mainly involves "all-OK" messages, and debugging messages for when mjolnir checks bans in a room.
 verboseLogging: true

src/Mjolnir.ts

@@ -1,5 +1,5 @@
 /*
-Copyright 2019-2024 The Matrix.org Foundation C.I.C.
+Copyright 2019-2021 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,14 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import {
-    extractRequestError,
-    LogLevel,
-    LogService,
-    MembershipEvent,
-    Permalinks,
-    UserID,
-} from "@vector-im/matrix-bot-sdk";
+import { extractRequestError, LogLevel, LogService, MembershipEvent } from "@vector-im/matrix-bot-sdk";
 
 import { ALL_RULE_TYPES as ALL_BAN_LIST_RULE_TYPES } from "./models/ListRule";
 import { COMMAND_PREFIX, handleCommand } from "./commands/CommandHandler";
@@ -41,7 +34,6 @@ import { RoomMemberManager } from "./RoomMembers";
 import ProtectedRoomsConfig from "./ProtectedRoomsConfig";
 import { MatrixEmitter, MatrixSendClient } from "./MatrixEmitter";
 import { OpenMetrics } from "./webapis/OpenMetrics";
-import { LRUCache } from "lru-cache";
 import { ModCache } from "./ModCache";
 
 export const STATE_NOT_STARTED = "not_started";
@@ -90,11 +82,6 @@ export class Mjolnir {
 
     public readonly policyListManager: PolicyListManager;
 
-    public readonly lastBotMentionForRoomId = new LRUCache<string, true>({
-        ttl: 1000 * 60 * 8, // 8 minutes
-        ttlAutopurge: true,
-    });
-
     /**
      * Members of the moderator room and others who should not be banned, ACL'd etc.
      */
@@ -220,29 +207,9 @@ export class Mjolnir {
 
         matrixEmitter.on("room.message", async (roomId, event) => {
             const eventContent = event.content;
+            if (roomId !== this.managementRoomId) return;
             if (typeof eventContent !== "object") return;
 
-            if (this.config.forwardMentionsToManagementRoom && this.protectedRoomsTracker.isProtectedRoom(roomId)) {
-                if (eventContent?.["m.mentions"]?.user_ids?.includes(this.clientUserId)) {
-                    LogService.info("Mjolnir", `Bot mentioned ${roomId} by ${event.sender}`);
-                    // Bot mentioned in a public room.
-                    if (this.lastBotMentionForRoomId.has(roomId)) {
-                        // Mentioned too recently, ignore.
-                        return;
-                    }
-                    this.lastBotMentionForRoomId.set(roomId, true);
-                    const permalink = Permalinks.forEvent(roomId, event.event_id, [
-                        new UserID(this.clientUserId).domain,
-                    ]);
-                    await this.managementRoomOutput.logMessage(
-                        LogLevel.INFO,
-                        "Mjolnir",
-                        `Bot mentioned ${roomId} by ${event.sender} in ${permalink}`,
-                        roomId,
-                    );
-                }
-            }
-
             const { msgtype, body: originalBody, sender } = eventContent;
             const eventId = event.event_id;
             if (msgtype !== "m.text" || typeof originalBody !== "string") {

src/config.ts

@@ -90,7 +90,6 @@ export interface IConfig {
     acceptInvitesFromSpace: string;
     recordIgnoredInvites: boolean;
     managementRoom: string;
-    forwardMentionsToManagementRoom: boolean;
     verboseLogging: boolean;
     logLevel: "DEBUG" | "INFO" | "WARN" | "ERROR";
     syncOnStartup: boolean;
@@ -210,7 +209,6 @@ const defaultConfig: IConfig = {
     autojoinOnlyIfManager: true,
     recordIgnoredInvites: false,
     managementRoom: "!noop:example.org",
-    forwardMentionsToManagementRoom: false,
     verboseLogging: false,
     logLevel: "INFO",
     syncOnStartup: true,

test/integration/forwardedMentionsTest.ts

@@ -4,9 +4,10 @@ import { MatrixSendClient } from "../../src/MatrixEmitter";
 import { Mjolnir } from "../../src/Mjolnir";
 import PolicyList from "../../src/models/PolicyList";
 import { newTestUser } from "./clientHelper";
-import { createBanList } from "./commands/commandUtils";
+import { createBanList, getFirstReaction } from "./commands/commandUtils";
 
 async function createPolicyList(client: MatrixClient): Promise<PolicyList> {
+    const serverName = new UserID(await client.getUserId()).domain;
     const policyListId = await client.createRoom({ preset: "public_chat" });
     return new PolicyList(policyListId, Permalinks.forRoom(policyListId), client);
 }

test/integration/protectedRoomsConfigTest.ts

@@ -1,6 +1,9 @@
+import { strict as assert } from "assert";
+
 import { Mjolnir } from "../../src/Mjolnir";
 import { Protection } from "../../src/protections/IProtection";
-import { newTestUser } from "./clientHelper";
+import { newTestUser, noticeListener } from "./clientHelper";
+import { matrixClient, mjolnir } from "./mjolnirSetupUtils";
 import { ConsequenceBan, ConsequenceRedact } from "../../src/protections/consequence";
 
 describe("Test: standard consequences", function () {