feat: チャンネル内→チャンネル外へのリノート制限機能追加 (#12230)

* チャンネル内→チャンネル外へのリノート制限機能追加

* fix CHANGELOG.md

* コメント対応（canRenoteSwitch→allowRenoteToExternal）

* コメント対応（別チャンネルへのリノート対策）

* コメント対応（canRenote->allowRenoteToExternal）

* fix comment

* Update misskey-js.api.md

* :v:

---------

Co-authored-by: osamu <46447427+sam-osamu@users.noreply.github.com>
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

7 files changed, 34 insertions, 0 deletions

diff --git a/packages/backend/src/core/entities/ChannelEntityService.ts b/packages/backend/src/core/entities/ChannelEntityService.ts
index 9e66834dfa..305946b8a6 100644
--- a/packages/backend/src/core/entities/ChannelEntityService.ts
+++ b/packages/backend/src/core/entities/ChannelEntityService.ts
@@ -85,6 +85,7 @@ export class ChannelEntityService {
 			usersCount: channel.usersCount,
 			notesCount: channel.notesCount,
 			isSensitive: channel.isSensitive,
+			allowRenoteToExternal: channel.allowRenoteToExternal,
 
 			...(me ? {
 				isFollowing,
diff --git a/packages/backend/src/core/entities/NoteEntityService.ts b/packages/backend/src/core/entities/NoteEntityService.ts
index 6fde1c3830..c49dad8e79 100644
--- a/packages/backend/src/core/entities/NoteEntityService.ts
+++ b/packages/backend/src/core/entities/NoteEntityService.ts
@@ -350,6 +350,7 @@ export class NoteEntityService implements OnModuleInit {
 				name: channel.name,
 				color: channel.color,
 				isSensitive: channel.isSensitive,
+				allowRenoteToExternal: channel.allowRenoteToExternal,
 			} : undefined,
 			mentions: note.mentions.length > 0 ? note.mentions : undefined,
 			uri: note.uri ?? undefined,
diff --git a/packages/backend/src/models/Channel.ts b/packages/backend/src/models/Channel.ts
index f90f8c03d8..a7f9e262b1 100644
--- a/packages/backend/src/models/Channel.ts
+++ b/packages/backend/src/models/Channel.ts
@@ -93,4 +93,9 @@ export class MiChannel {
 		default: false,
 	})
 	public isSensitive: boolean;
+
+	@Column('boolean', {
+		default: true,
+	})
+	public allowRenoteToExternal: boolean;
 }
diff --git a/packages/backend/src/models/json-schema/channel.ts b/packages/backend/src/models/json-schema/channel.ts
index f1019d1461..8f9770cdc5 100644
--- a/packages/backend/src/models/json-schema/channel.ts
+++ b/packages/backend/src/models/json-schema/channel.ts
@@ -76,5 +76,9 @@ export const packedChannelSchema = {
 			type: 'boolean',
 			optional: false, nullable: false,
 		},
+		allowRenoteToExternal: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
 	},
 } as const;
diff --git a/packages/backend/src/server/api/endpoints/channels/create.ts b/packages/backend/src/server/api/endpoints/channels/create.ts
index 3ba411d28c..3dd1eddd01 100644
--- a/packages/backend/src/server/api/endpoints/channels/create.ts
+++ b/packages/backend/src/server/api/endpoints/channels/create.ts
@@ -50,6 +50,7 @@ export const paramDef = {
 		bannerId: { type: 'string', format: 'misskey:id', nullable: true },
 		color: { type: 'string', minLength: 1, maxLength: 16 },
 		isSensitive: { type: 'boolean', nullable: true },
+		allowRenoteToExternal: { type: 'boolean', nullable: true },
 	},
 	required: ['name'],
 } as const;
@@ -87,6 +88,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				bannerId: banner ? banner.id : null,
 				isSensitive: ps.isSensitive ?? false,
 				...(ps.color !== undefined ? { color: ps.color } : {}),
+				allowRenoteToExternal: ps.allowRenoteToExternal ?? true,
 			} as MiChannel).then(x => this.channelsRepository.findOneByOrFail(x.identifiers[0]));
 
 			return await this.channelEntityService.pack(channel, me);
diff --git a/packages/backend/src/server/api/endpoints/channels/update.ts b/packages/backend/src/server/api/endpoints/channels/update.ts
index ab69f62a7b..93d02e4a12 100644
--- a/packages/backend/src/server/api/endpoints/channels/update.ts
+++ b/packages/backend/src/server/api/endpoints/channels/update.ts
@@ -61,6 +61,7 @@ export const paramDef = {
 		},
 		color: { type: 'string', minLength: 1, maxLength: 16 },
 		isSensitive: { type: 'boolean', nullable: true },
+		allowRenoteToExternal: { type: 'boolean', nullable: true },
 	},
 	required: ['channelId'],
 } as const;
@@ -115,6 +116,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				...(typeof ps.isArchived === 'boolean' ? { isArchived: ps.isArchived } : {}),
 				...(banner ? { bannerId: banner.id } : {}),
 				...(typeof ps.isSensitive === 'boolean' ? { isSensitive: ps.isSensitive } : {}),
+				...(typeof ps.allowRenoteToExternal === 'boolean' ? { allowRenoteToExternal: ps.allowRenoteToExternal } : {}),
 			});
 
 			return await this.channelEntityService.pack(channel.id, me);
diff --git a/packages/backend/src/server/api/endpoints/notes/create.ts b/packages/backend/src/server/api/endpoints/notes/create.ts
index fb650f69ff..df02d3acb7 100644
--- a/packages/backend/src/server/api/endpoints/notes/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.ts
@@ -99,6 +99,12 @@ export const meta = {
 			code: 'NO_SUCH_FILE',
 			id: 'b6992544-63e7-67f0-fa7f-32444b1b5306',
 		},
+
+		cannotRenoteOutsideOfChannel: {
+			message: 'Cannot renote outside of channel.',
+			code: 'CANNOT_RENOTE_OUTSIDE_OF_CHANNEL',
+			id: '33510210-8452-094c-6227-4a6c05d99f00',
+		},
 	},
 } as const;
 
@@ -246,6 +252,19 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					// specified / direct noteはreject
 					throw new ApiError(meta.errors.cannotRenoteDueToVisibility);
 				}
+
+				if (renote.channelId && renote.channelId !== ps.channelId) {
+					// チャンネルのノートに対しリノート要求がきたとき、チャンネル外へのリノート可否をチェック
+					// リノートのユースケースのうち、チャンネル内→チャンネル外は少数だと考えられるため、JOINはせず必要な時に都度取得する
+					const renoteChannel = await this.channelsRepository.findOneById(renote.channelId);
+					if (renoteChannel == null) {
+						// リノートしたいノートが書き込まれているチャンネルが無い
+						throw new ApiError(meta.errors.noSuchChannel);
+					} else if (!renoteChannel.allowRenoteToExternal) {
+						// リノート作成のリクエストだが、対象チャンネルがリノート禁止だった場合
+						throw new ApiError(meta.errors.cannotRenoteOutsideOfChannel);
+					}
+				}
 			}
 
 			let reply: MiNote | null = null;