fix: 特定文字列を含むノートを投稿できないようにする管理画面用設定項目を追加 (#13210)

* fix: 特定文字列を含むノートを投稿できないようにする管理画面用設定項目を追加

* Serviceでチェックするように変更

3 files changed, 57 insertions, 24 deletions

diff --git a/packages/backend/src/server/api/endpoints/admin/meta.ts b/packages/backend/src/server/api/endpoints/admin/meta.ts
index 0627c5055c..2af9e7cd9a 100644
--- a/packages/backend/src/server/api/endpoints/admin/meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/meta.ts
@@ -156,6 +156,13 @@ export const meta = {
 					type: 'string',
 				},
 			},
+			prohibitedWords: {
+				type: 'array',
+				optional: false, nullable: false,
+				items: {
+					type: 'string',
+				},
+			},
 			bannedEmailDomains: {
 				type: 'array',
 				optional: true, nullable: false,
@@ -515,6 +522,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				blockedHosts: instance.blockedHosts,
 				silencedHosts: instance.silencedHosts,
 				sensitiveWords: instance.sensitiveWords,
+				prohibitedWords: instance.prohibitedWords,
 				preservedUsernames: instance.preservedUsernames,
 				hcaptchaSecretKey: instance.hcaptchaSecretKey,
 				mcaptchaSecretKey: instance.mcaptchaSecretKey,
diff --git a/packages/backend/src/server/api/endpoints/admin/update-meta.ts b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
index d76d3dfeea..ce8c8a505d 100644
--- a/packages/backend/src/server/api/endpoints/admin/update-meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
@@ -41,6 +41,11 @@ export const paramDef = {
 				type: 'string',
 			},
 		},
+		prohibitedWords: {
+			type: 'array', nullable: true, items: {
+				type: 'string',
+			},
+		},
 		themeColor: { type: 'string', nullable: true, pattern: '^#[0-9a-fA-F]{6}$' },
 		mascotImageUrl: { type: 'string', nullable: true },
 		bannerUrl: { type: 'string', nullable: true },
@@ -177,6 +182,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			if (Array.isArray(ps.sensitiveWords)) {
 				set.sensitiveWords = ps.sensitiveWords.filter(Boolean);
 			}
+			if (Array.isArray(ps.prohibitedWords)) {
+				set.prohibitedWords = ps.prohibitedWords.filter(Boolean);
+			}
 			if (Array.isArray(ps.silencedHosts)) {
 				let lastValue = '';
 				set.silencedHosts = ps.silencedHosts.sort().filter((h) => {
diff --git a/packages/backend/src/server/api/endpoints/notes/create.ts b/packages/backend/src/server/api/endpoints/notes/create.ts
index 787cda3834..50969c71cc 100644
--- a/packages/backend/src/server/api/endpoints/notes/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.ts
@@ -17,6 +17,8 @@ import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { NoteCreateService } from '@/core/NoteCreateService.js';
 import { DI } from '@/di-symbols.js';
 import { isPureRenote } from '@/misc/is-pure-renote.js';
+import { MetaService } from '@/core/MetaService.js';
+import { UtilityService } from '@/core/UtilityService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -111,6 +113,12 @@ export const meta = {
 			code: 'CANNOT_RENOTE_OUTSIDE_OF_CHANNEL',
 			id: '33510210-8452-094c-6227-4a6c05d99f00',
 		},
+
+		containsProhibitedWords: {
+			message: 'Cannot post because it contains prohibited words.',
+			code: 'CONTAINS_PROHIBITED_WORDS',
+			id: 'aa6e01d3-a85c-669d-758a-76aab43af334',
+		},
 	},
 } as const;
 
@@ -340,31 +348,40 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			// 投稿を作成
-			const note = await this.noteCreateService.create(me, {
-				createdAt: new Date(),
-				files: files,
-				poll: ps.poll ? {
-					choices: ps.poll.choices,
-					multiple: ps.poll.multiple ?? false,
-					expiresAt: ps.poll.expiresAt ? new Date(ps.poll.expiresAt) : null,
-				} : undefined,
-				text: ps.text ?? undefined,
-				reply,
-				renote,
-				cw: ps.cw,
-				localOnly: ps.localOnly,
-				reactionAcceptance: ps.reactionAcceptance,
-				visibility: ps.visibility,
-				visibleUsers,
-				channel,
-				apMentions: ps.noExtractMentions ? [] : undefined,
-				apHashtags: ps.noExtractHashtags ? [] : undefined,
-				apEmojis: ps.noExtractEmojis ? [] : undefined,
-			});
+			try {
+				const note = await this.noteCreateService.create(me, {
+					createdAt: new Date(),
+					files: files,
+					poll: ps.poll ? {
+						choices: ps.poll.choices,
+						multiple: ps.poll.multiple ?? false,
+						expiresAt: ps.poll.expiresAt ? new Date(ps.poll.expiresAt) : null,
+					} : undefined,
+					text: ps.text ?? undefined,
+					reply,
+					renote,
+					cw: ps.cw,
+					localOnly: ps.localOnly,
+					reactionAcceptance: ps.reactionAcceptance,
+					visibility: ps.visibility,
+					visibleUsers,
+					channel,
+					apMentions: ps.noExtractMentions ? [] : undefined,
+					apHashtags: ps.noExtractHashtags ? [] : undefined,
+					apEmojis: ps.noExtractEmojis ? [] : undefined,
+				});
 
-			return {
-				createdNote: await this.noteEntityService.pack(note, me),
-			};
+				return {
+					createdNote: await this.noteEntityService.pack(note, me),
+				};
+			} catch (e) {
+				// TODO: 他のErrorもここでキャッチしてエラーメッセージを当てるようにしたい
+				if (e instanceof NoteCreateService.ContainsProhibitedWordsError) {
+					throw new ApiError(meta.errors.containsProhibitedWords);
+				}
+
+				throw e;
+			}
 		});
 	}
 }