Feat: ユーザーのアイコン/バナーの変更可否をロールで設定可能に (#14078)

* feat: implement role policy "canUpdateBioMedia"

* docs(changelog): update changelog

* docs(changelog): update changelog

* chore: regenerate misskey-js type definitions

* chore: Apply suggestion from code review

Co-authored-by: anatawa12 <anatawa12@icloud.com>

* chore: fix unnecessarily strict inequality check

* chore: policies should be gotten only once

---------

Co-authored-by: anatawa12 <anatawa12@icloud.com>

4 files changed, 32 insertions, 6 deletions

diff --git a/packages/backend/src/core/RoleService.ts b/packages/backend/src/core/RoleService.ts
index e2ebecb99f..94026fd503 100644
--- a/packages/backend/src/core/RoleService.ts
+++ b/packages/backend/src/core/RoleService.ts
@@ -47,6 +47,7 @@ export type RolePolicies = {
 	canHideAds: boolean;
 	driveCapacityMb: number;
 	alwaysMarkNsfw: boolean;
+	canUpdateBioMedia: boolean;
 	pinLimit: number;
 	antennaLimit: number;
 	wordMuteLimit: number;
@@ -75,6 +76,7 @@ export const DEFAULT_POLICIES: RolePolicies = {
 	canHideAds: false,
 	driveCapacityMb: 100,
 	alwaysMarkNsfw: false,
+	canUpdateBioMedia: true,
 	pinLimit: 5,
 	antennaLimit: 5,
 	wordMuteLimit: 200,
@@ -376,6 +378,7 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 			canHideAds: calc('canHideAds', vs => vs.some(v => v === true)),
 			driveCapacityMb: calc('driveCapacityMb', vs => Math.max(...vs)),
 			alwaysMarkNsfw: calc('alwaysMarkNsfw', vs => vs.some(v => v === true)),
+			canUpdateBioMedia: calc('canUpdateBioMedia', vs => vs.some(v => v === true)),
 			pinLimit: calc('pinLimit', vs => Math.max(...vs)),
 			antennaLimit: calc('antennaLimit', vs => Math.max(...vs)),
 			wordMuteLimit: calc('wordMuteLimit', vs => Math.max(...vs)),
diff --git a/packages/backend/src/core/activitypub/models/ApPersonService.ts b/packages/backend/src/core/activitypub/models/ApPersonService.ts
index 398c8695d2..457205e023 100644
--- a/packages/backend/src/core/activitypub/models/ApPersonService.ts
+++ b/packages/backend/src/core/activitypub/models/ApPersonService.ts
@@ -34,6 +34,7 @@ import { StatusError } from '@/misc/status-error.js';
 import type { UtilityService } from '@/core/UtilityService.js';
 import type { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { bindThis } from '@/decorators.js';
+import { RoleService } from '@/core/RoleService.js';
 import { MetaService } from '@/core/MetaService.js';
 import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.js';
 import type { AccountMoveService } from '@/core/AccountMoveService.js';
@@ -100,6 +101,8 @@ export class ApPersonService implements OnModuleInit {
 
 		@Inject(DI.followingsRepository)
 		private followingsRepository: FollowingsRepository,
+
+		private roleService: RoleService,
 	) {
 	}
 
@@ -238,6 +241,11 @@ export class ApPersonService implements OnModuleInit {
 			return this.apImageService.resolveImage(user, img).catch(() => null);
 		}));
 
+		if (((avatar != null && avatar.id != null) || (banner != null && banner.id != null))
+				&& !(await this.roleService.getUserPolicies(user.id)).canUpdateBioMedia) {
+			return {};
+		}
+
 		/*
 			we don't want to return nulls on errors! if the database fields
 			are already null, nothing changes; if the database has old
diff --git a/packages/backend/src/models/json-schema/role.ts b/packages/backend/src/models/json-schema/role.ts
index d9987a70c3..7366f05356 100644
--- a/packages/backend/src/models/json-schema/role.ts
+++ b/packages/backend/src/models/json-schema/role.ts
@@ -228,6 +228,10 @@ export const packedRolePoliciesSchema = {
 			type: 'boolean',
 			optional: false, nullable: false,
 		},
+		canUpdateBioMedia: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
 		pinLimit: {
 			type: 'integer',
 			optional: false, nullable: false,
diff --git a/packages/backend/src/server/api/endpoints/i/update.ts b/packages/backend/src/server/api/endpoints/i/update.ts
index b39b52bc41..a1e2fa5e4c 100644
--- a/packages/backend/src/server/api/endpoints/i/update.ts
+++ b/packages/backend/src/server/api/endpoints/i/update.ts
@@ -25,7 +25,7 @@ import { UserFollowingService } from '@/core/UserFollowingService.js';
 import { AccountUpdateService } from '@/core/AccountUpdateService.js';
 import { HashtagService } from '@/core/HashtagService.js';
 import { DI } from '@/di-symbols.js';
-import { RoleService } from '@/core/RoleService.js';
+import { RolePolicies, RoleService } from '@/core/RoleService.js';
 import { CacheService } from '@/core/CacheService.js';
 import { RemoteUserResolveService } from '@/core/RemoteUserResolveService.js';
 import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.js';
@@ -256,6 +256,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			const profileUpdates = {} as Partial<MiUserProfile>;
 
 			const profile = await this.userProfilesRepository.findOneByOrFail({ userId: user.id });
+			let policies: RolePolicies | null = null;
 
 			if (ps.name !== undefined) {
 				if (ps.name === null) {
@@ -296,14 +297,16 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			if (ps.mutedWords !== undefined) {
-				checkMuteWordCount(ps.mutedWords, (await this.roleService.getUserPolicies(user.id)).wordMuteLimit);
+				policies ??= await this.roleService.getUserPolicies(user.id);
+				checkMuteWordCount(ps.mutedWords, policies.wordMuteLimit);
 				validateMuteWordRegex(ps.mutedWords);
 
 				profileUpdates.mutedWords = ps.mutedWords;
 				profileUpdates.enableWordMute = ps.mutedWords.length > 0;
 			}
 			if (ps.hardMutedWords !== undefined) {
-				checkMuteWordCount(ps.hardMutedWords, (await this.roleService.getUserPolicies(user.id)).wordMuteLimit);
+				policies ??= await this.roleService.getUserPolicies(user.id);
+				checkMuteWordCount(ps.hardMutedWords, policies.wordMuteLimit);
 				validateMuteWordRegex(ps.hardMutedWords);
 				profileUpdates.hardMutedWords = ps.hardMutedWords;
 			}
@@ -322,13 +325,17 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			if (typeof ps.injectFeaturedNote === 'boolean') profileUpdates.injectFeaturedNote = ps.injectFeaturedNote;
 			if (typeof ps.receiveAnnouncementEmail === 'boolean') profileUpdates.receiveAnnouncementEmail = ps.receiveAnnouncementEmail;
 			if (typeof ps.alwaysMarkNsfw === 'boolean') {
-				if ((await roleService.getUserPolicies(user.id)).alwaysMarkNsfw) throw new ApiError(meta.errors.restrictedByRole);
+				policies ??= await this.roleService.getUserPolicies(user.id);
+				if (policies.alwaysMarkNsfw) throw new ApiError(meta.errors.restrictedByRole);
 				profileUpdates.alwaysMarkNsfw = ps.alwaysMarkNsfw;
 			}
 			if (typeof ps.autoSensitive === 'boolean') profileUpdates.autoSensitive = ps.autoSensitive;
 			if (ps.emailNotificationTypes !== undefined) profileUpdates.emailNotificationTypes = ps.emailNotificationTypes;
 
 			if (ps.avatarId) {
+				policies ??= await this.roleService.getUserPolicies(user.id);
+				if (!policies.canUpdateBioMedia) throw new ApiError(meta.errors.restrictedByRole);
+
 				const avatar = await this.driveFilesRepository.findOneBy({ id: ps.avatarId });
 
 				if (avatar == null || avatar.userId !== user.id) throw new ApiError(meta.errors.noSuchAvatar);
@@ -344,6 +351,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			if (ps.bannerId) {
+				policies ??= await this.roleService.getUserPolicies(user.id);
+				if (!policies.canUpdateBioMedia) throw new ApiError(meta.errors.restrictedByRole);
+
 				const banner = await this.driveFilesRepository.findOneBy({ id: ps.bannerId });
 
 				if (banner == null || banner.userId !== user.id) throw new ApiError(meta.errors.noSuchBanner);
@@ -359,14 +369,15 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			if (ps.avatarDecorations) {
+				policies ??= await this.roleService.getUserPolicies(user.id);
 				const decorations = await this.avatarDecorationService.getAll(true);
-				const [myRoles, myPolicies] = await Promise.all([this.roleService.getUserRoles(user.id), this.roleService.getUserPolicies(user.id)]);
+				const myRoles = await this.roleService.getUserRoles(user.id);
 				const allRoles = await this.roleService.getRoles();
 				const decorationIds = decorations
 					.filter(d => d.roleIdsThatCanBeUsedThisDecoration.filter(roleId => allRoles.some(r => r.id === roleId)).length === 0 || myRoles.some(r => d.roleIdsThatCanBeUsedThisDecoration.includes(r.id)))
 					.map(d => d.id);
 
-				if (ps.avatarDecorations.length > myPolicies.avatarDecorationLimit) throw new ApiError(meta.errors.restrictedByRole);
+				if (ps.avatarDecorations.length > policies.avatarDecorationLimit) throw new ApiError(meta.errors.restrictedByRole);
 
 				updates.avatarDecorations = ps.avatarDecorations.filter(d => decorationIds.includes(d.id)).map(d => ({
 					id: d.id,