add mandatory CW for instances

packages/backend/src/server/api/endpoint-list.ts

@@ -34,6 +34,7 @@ export * as 'admin/avatar-decorations/list' from './endpoints/admin/avatar-decor
 export * as 'admin/avatar-decorations/update' from './endpoints/admin/avatar-decorations/update.js';
 export * as 'admin/captcha/current' from './endpoints/admin/captcha/current.js';
 export * as 'admin/captcha/save' from './endpoints/admin/captcha/save.js';
+export * as 'admin/cw-instance' from './endpoints/admin/cw-instance.js';
 export * as 'admin/cw-note' from './endpoints/admin/cw-note.js';
 export * as 'admin/cw-user' from './endpoints/admin/cw-user.js';
 export * as 'admin/decline-user' from './endpoints/admin/decline-user.js';

packages/backend/src/server/api/endpoints/admin/cw-instance.ts

@@ -0,0 +1,54 @@
+/*
+ * SPDX-FileCopyrightText: hazelnoot and other Sharkey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { ModerationLogService } from '@/core/ModerationLogService.js';
+import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
+
+export const meta = {
+	tags: ['admin'],
+
+	requireCredential: true,
+	requireModerator: true,
+	kind: 'write:admin:cw-instance',
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		host: { type: 'string' },
+		cw: { type: 'string', nullable: true },
+	},
+	required: ['host', 'cw'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private readonly moderationLogService: ModerationLogService,
+		private readonly federatedInstanceService: FederatedInstanceService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const instance = await this.federatedInstanceService.fetchOrRegister(ps.host);
+
+			// Skip if there's nothing to do
+			if (instance.mandatoryCW === ps.cw) return;
+
+			// Log event first.
+			// This ensures that we don't "lose" the log if an error occurs
+			await this.moderationLogService.log(me, 'setMandatoryCWForInstance', {
+				newCW: ps.cw,
+				oldCW: instance.mandatoryCW,
+				host: ps.host,
+			});
+
+			await this.federatedInstanceService.update(instance.id, {
+				// Collapse empty strings to null
+				mandatoryCW: ps.cw || null,
+			});
+		});
+	}
+}

packages/backend/src/server/api/mastodon/MastodonConverters.ts

@@ -23,6 +23,7 @@ import { MastodonDataService } from '@/server/api/mastodon/MastodonDataService.j
 import { GetterService } from '@/server/api/GetterService.js';
 import { appendContentWarning } from '@/misc/append-content-warning.js';
 import { isRenote } from '@/misc/is-renote.js';
+import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
 
 // Missing from Megalodon apparently
 // https://docs.joinmastodon.org/entities/StatusEdit/
@@ -68,6 +69,7 @@ export class MastodonConverters {
 		private readonly idService: IdService,
 		private readonly driveFileEntityService: DriveFileEntityService,
 		private readonly mastodonDataService: MastodonDataService,
+		private readonly federatedInstanceService: FederatedInstanceService,
 	) {}
 
 	private encode(u: MiUser, m: IMentionedRemoteUsers): MastodonEntity.Mention {
@@ -210,6 +212,7 @@ export class MastodonConverters {
 		}
 
 		const noteUser = await this.getUser(note.userId);
+		const noteInstance = noteUser.instance ?? (noteUser.host ? await this.federatedInstanceService.fetch(noteUser.host) : null);
 		const account = await this.convertAccount(noteUser);
 		const edits = await this.noteEditRepository.find({ where: { noteId: note.id }, order: { id: 'ASC' } });
 		const history: StatusEdit[] = [];
@@ -231,6 +234,9 @@ export class MastodonConverters {
 			if (noteUser.mandatoryCW) {
 				cw = appendContentWarning(cw, noteUser.mandatoryCW);
 			}
+			if (noteInstance?.mandatoryCW) {
+				cw = appendContentWarning(cw, noteInstance.mandatoryCW);
+			}
 
 			const isQuote = renote && (edit.cw || edit.newText || edit.fileIds.length > 0 || note.replyId);
 			const quoteUri = isQuote