merge: feat: Add language metadata to notes (!401)

View MR for information: https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/401

Closes #253

.config/ci.yml

@@ -106,7 +106,7 @@ redis:
 #   ┌───────────────────────────┐
 #───┘ MeiliSearch configuration └─────────────────────────────
 
-# You can set scope to local (default value) or global 
+# You can set scope to local (default value) or global
 # (include notes from remote).
 
 #meilisearch:
@@ -204,7 +204,7 @@ signToActivityPubGet: true
 checkActivityPubGetSignature: false
 
 # For security reasons, uploading attachments from the intranet is prohibited,
-# but exceptions can be made from the following settings. Default value is "undefined". 
+# but exceptions can be made from the following settings. Default value is "undefined".
 # Read changelog to learn more (Improvements of 12.90.0 (2021/09/04)).
 #allowedPrivateNetworks: [
 #  '127.0.0.1/32'
@@ -212,5 +212,9 @@ checkActivityPubGetSignature: false
 
 #customMOTD: ['Hello World', 'The sharks rule all', 'Shonks']
 
+# Prefer these languages for remote notes with language-specific content
+# Must be valid language codes according to BCP 47
+#langPref: ['en', 'ja']
+
 # Upload or download file size limits (bytes)
 #maxFileSize: 262144000

.config/docker_example.yml

@@ -163,7 +163,7 @@ redis:
 #   ┌───────────────────────────┐
 #───┘ MeiliSearch configuration └─────────────────────────────
 
-# You can set scope to local (default value) or global 
+# You can set scope to local (default value) or global
 # (include notes from remote).
 
 #meilisearch:
@@ -261,7 +261,7 @@ signToActivityPubGet: true
 checkActivityPubGetSignature: false
 
 # For security reasons, uploading attachments from the intranet is prohibited,
-# but exceptions can be made from the following settings. Default value is "undefined". 
+# but exceptions can be made from the following settings. Default value is "undefined".
 # Read changelog to learn more (Improvements of 12.90.0 (2021/09/04)).
 #allowedPrivateNetworks: [
 #  '127.0.0.1/32'
@@ -269,5 +269,9 @@ checkActivityPubGetSignature: false
 
 #customMOTD: ['Hello World', 'The sharks rule all', 'Shonks']
 
+# Prefer these languages for remote notes with language-specific content
+# Must be valid language codes according to BCP 47
+#langPref: ['en', 'ja']
+
 # Upload or download file size limits (bytes)
 #maxFileSize: 262144000

.config/example.yml

@@ -284,6 +284,10 @@ checkActivityPubGetSignature: false
 
 #customMOTD: ['Hello World', 'The sharks rule all', 'Shonks']
 
+# Prefer these languages for remote notes with language-specific content
+# Must be valid language codes according to BCP 47
+#langPref: ['en', 'ja']
+
 # Upload or download file size limits (bytes)
 #maxFileSize: 262144000
 

locales/en-US.yml

@@ -1270,6 +1270,7 @@ hemisphere: "Where are you located"
 withSensitive: "Include notes with sensitive files"
 userSaysSomethingSensitive: "Post by {name} contains sensitive content"
 enableHorizontalSwipe: "Swipe to switch tabs"
+noLanguage: "No language"
 loading: "Loading"
 surrender: "Cancel"
 gameRetry: "Retry"

locales/index.d.ts

@@ -5093,6 +5093,10 @@ export interface Locale extends ILocale {
      * スワイプしてタブを切り替える
      */
     "enableHorizontalSwipe": string;
+    /**
+     * 言語なし
+     */
+    "noLanguage": string;
     /**
      * 読み込み中
      */

locales/ja-JP.yml

@@ -1269,6 +1269,7 @@ hemisphere: "お住まいの地域"
 withSensitive: "センシティブなファイルを含むノートを表示"
 userSaysSomethingSensitive: "{name}のセンシティブなファイルを含む投稿"
 enableHorizontalSwipe: "スワイプしてタブを切り替える"
+noLanguage: "言語なし"
 loading: "読み込み中"
 surrender: "やめる"
 gameRetry: "リトライ"

packages/backend/migration/1706852162173-add-post-lang.js

@@ -0,0 +1,13 @@
+export class AddPostLang1706852162173 {
+    name = 'AddPostLang1706852162173'
+
+    async up(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "note" ADD "lang" character varying(10)`);
+				await queryRunner.query(`ALTER TABLE "note_edit" ADD "lang" character varying(10)`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "note" DROP COLUMN "lang"`);
+				await queryRunner.query(`ALTER TABLE "note_edit" DROP COLUMN "lang"`);
+    }
+}

packages/backend/src/config.ts

@@ -91,6 +91,8 @@ type Source = {
 
 	customMOTD?: string[];
 
+	langPref?: string[];
+
 	signToActivityPubGet?: boolean;
 	checkActivityPubGetSignature?: boolean;
 
@@ -153,6 +155,7 @@ export type Config = {
 	customMOTD: string[] | undefined;
 	signToActivityPubGet: boolean;
 	checkActivityPubGetSignature: boolean | undefined;
+	langPref: string[];
 
 	version: string;
 	publishTarballInsteadOfProvideRepositoryUrl: boolean;
@@ -269,6 +272,7 @@ export function loadConfig(): Config {
 		inboxJobMaxAttempts: config.inboxJobMaxAttempts,
 		proxyRemoteFiles: config.proxyRemoteFiles,
 		customMOTD: config.customMOTD,
+		langPref: config.langPref ?? ['en', 'ja'],
 		signToActivityPubGet: config.signToActivityPubGet ?? true,
 		checkActivityPubGetSignature: config.checkActivityPubGetSignature,
 		mediaProxy: externalMediaProxy ?? internalMediaProxy,

packages/backend/src/core/HttpRequestService.ts

@@ -15,6 +15,7 @@ import type { Config } from '@/config.js';
 import { StatusError } from '@/misc/status-error.js';
 import { bindThis } from '@/decorators.js';
 import { validateContentTypeSetAsActivityPub } from '@/core/activitypub/misc/validator.js';
+import { assertActivityMatchesUrls } from '@/core/activitypub/misc/check-against-url.js';
 import type { IObject } from '@/core/activitypub/type.js';
 import type { Response } from 'node-fetch';
 import type { URL } from 'node:url';
@@ -125,7 +126,12 @@ export class HttpRequestService {
 			validators: [validateContentTypeSetAsActivityPub],
 		});
 
-		return await res.json() as IObject;
+		const finalUrl = res.url; // redirects may have been involved
+		const activity = await res.json() as IObject;
+
+		assertActivityMatchesUrls(activity, [url, finalUrl]);
+
+		return activity;
 	}
 
 	@bindThis

packages/backend/src/core/NoteCreateService.ts

@@ -133,6 +133,7 @@ type Option = {
 	createdAt?: Date | null;
 	name?: string | null;
 	text?: string | null;
+	lang?: string | null;
 	reply?: MiNote | null;
 	renote?: MiNote | null;
 	files?: MiDriveFile[] | null;
@@ -603,6 +604,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 				: null,
 			name: data.name,
 			text: data.text,
+			lang: data.lang,
 			hasPoll: data.poll != null,
 			cw: data.cw ?? null,
 			tags: tags.map(tag => normalizeForSearch(tag)),

packages/backend/src/core/NoteEditService.ts

@@ -123,6 +123,7 @@ type Option = {
 	createdAt?: Date | null;
 	name?: string | null;
 	text?: string | null;
+	lang?: string | null;
 	reply?: MiNote | null;
 	renote?: MiNote | null;
 	files?: MiDriveFile[] | null;
@@ -429,6 +430,9 @@ export class NoteEditService implements OnApplicationShutdown {
 		if (oldnote.hasPoll !== !!data.poll) {
 			update.hasPoll = !!data.poll;
 		}
+		if (data.lang !== oldnote.lang) {
+			update.lang = data.lang;
+		}
 
 		const poll = await this.pollsRepository.findOneBy({ noteId: oldnote.id });
 
@@ -443,6 +447,7 @@ export class NoteEditService implements OnApplicationShutdown {
 				oldText: oldnote.text || undefined,
 				newText: update.text || undefined,
 				cw: update.cw || undefined,
+				lang: update.lang || undefined,
 				fileIds: undefined,
 				oldDate: exists ? oldnote.updatedAt as Date : this.idService.parse(oldnote.id).date,
 				updatedAt: new Date(),
@@ -462,6 +467,7 @@ export class NoteEditService implements OnApplicationShutdown {
 					: null,
 				name: data.name,
 				text: data.text,
+				lang: data.lang,
 				hasPoll: data.poll != null,
 				cw: data.cw ?? null,
 				tags: tags.map(tag => normalizeForSearch(tag)),

packages/backend/src/core/UtilityService.ts

@@ -86,7 +86,7 @@ export class UtilityService {
 	@bindThis
 	public extractDbHost(uri: string): string {
 		const url = new URL(uri);
-		return this.toPuny(url.hostname);
+		return this.toPuny(url.host);
 	}
 
 	@bindThis
@@ -99,4 +99,11 @@ export class UtilityService {
 		if (host == null) return null;
 		return toASCII(host.toLowerCase());
 	}
+
+	@bindThis
+	public punyHost(url: string): string {
+		const urlObj = new URL(url);
+		const host = `${this.toPuny(urlObj.hostname)}${urlObj.port.length > 0 ? ':' + urlObj.port : ''}`;
+		return host;
+	}
 }

packages/backend/src/core/activitypub/ApRendererService.ts

@@ -285,7 +285,7 @@ export class ApRendererService {
 				if (instance && instance.softwareName === 'pleroma') isMastodon = true;
 			}
 		}
-		
+
 		const object: ILike = {
 			type: 'Like',
 			id: `${this.config.url}/likes/${noteReaction.id}`,
@@ -451,9 +451,15 @@ export class ApRendererService {
 				_misskey_content: text,
 				source: {
 					content: text,
+					contentMap: note.lang ? {
+						[note.lang]: text,
+					} : undefined,
 					mediaType: 'text/x.misskeymarkdown',
 				},
 			}),
+			contentMap: note.lang && content ? {
+				[note.lang]: content,
+			} : undefined,
 			_misskey_quote: quote,
 			quoteUrl: quote,
 			quoteUri: quote,
@@ -743,9 +749,15 @@ export class ApRendererService {
 				_misskey_content: text,
 				source: {
 					content: text,
+					contentMap: note.lang ? {
+						[note.lang]: text,
+					} : undefined,
 					mediaType: 'text/x.misskeymarkdown',
 				},
 			}),
+			contentMap: note.lang && content ? {
+				[note.lang]: content,
+			} : undefined,
 			_misskey_quote: quote,
 			quoteUrl: quote,
 			quoteUri: quote,

packages/backend/src/core/activitypub/ApRequestService.ts

@@ -14,7 +14,9 @@ import { HttpRequestService } from '@/core/HttpRequestService.js';
 import { LoggerService } from '@/core/LoggerService.js';
 import { bindThis } from '@/decorators.js';
 import type Logger from '@/logger.js';
+import type { IObject } from './type.js';
 import { validateContentTypeSetAsActivityPub } from '@/core/activitypub/misc/validator.js';
+import { assertActivityMatchesUrls } from '@/core/activitypub/misc/check-against-url.js';
 
 type Request = {
 	url: string;
@@ -201,6 +203,11 @@ export class ApRequestService {
 			validators: [validateContentTypeSetAsActivityPub],
 		});
 
-		return await res.json();
+		const finalUrl = res.url; // redirects may have been involved
+		const activity = await res.json() as IObject;
+
+		assertActivityMatchesUrls(activity, [url, finalUrl]);
+
+		return activity;
 	}
 }

packages/backend/src/core/activitypub/ApResolverService.ts

@@ -115,6 +115,14 @@ export class Resolver {
 			throw new Error('invalid response');
 		}
 
+		// HttpRequestService / ApRequestService have already checked that
+		// `object.id` or `object.url` matches the URL used to fetch the
+		// object after redirects; here we double-check that no redirects
+		// bounced between hosts
+		if (object.id && (this.utilityService.punyHost(object.id) !== this.utilityService.punyHost(value))) {
+			throw new Error(`invalid AP object ${value}: id ${object.id} has different host`);
+		}
+
 		return object;
 	}
 

packages/backend/src/core/activitypub/misc/check-against-url.ts

@@ -0,0 +1,19 @@
+/*
+ * SPDX-FileCopyrightText: dakkar and sharkey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import type { IObject } from '../type.js';
+
+export function assertActivityMatchesUrls(activity: IObject, urls: string[]) {
+	const idOk = activity.id !== undefined && urls.includes(activity.id);
+
+	// technically `activity.url` could be an `ApObject = IObject |
+	// string | (IObject | string)[]`, but if it's a complicated thing
+	// and the `activity.id` doesn't match, I think we're fine
+	// rejecting the activity
+	const urlOk = typeof(activity.url) === 'string' && urls.includes(activity.url);
+
+	if (!idOk && !urlOk) {
+		throw new Error(`bad Activity: neither id(${activity?.id}) nor url(${activity?.url}) match location(${urls})`);
+	}
+}

packages/backend/src/core/activitypub/models/ApNoteService.ts

@@ -25,6 +25,7 @@ import { StatusError } from '@/misc/status-error.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { bindThis } from '@/decorators.js';
 import { checkHttps } from '@/misc/check-https.js';
+import { langs } from '@/misc/langmap.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
 import { isNotNull } from '@/misc/is-not-null.js';
 import { getOneApId, getApId, getOneApHrefNullable, validPost, isEmoji, getApType } from '../type.js';
@@ -39,7 +40,7 @@ import { ApMentionService } from './ApMentionService.js';
 import { ApQuestionService } from './ApQuestionService.js';
 import { ApImageService } from './ApImageService.js';
 import type { Resolver } from '../ApResolverService.js';
-import type { IObject, IPost } from '../type.js';
+import type { IObject, IPost, Obj } from '../type.js';
 
 @Injectable()
 export class ApNoteService {
@@ -173,12 +174,17 @@ export class ApNoteService {
 
 		// テキストのパース
 		let text: string | null = null;
-		if (note.source?.mediaType === 'text/x.misskeymarkdown' && typeof note.source.content === 'string') {
+		let lang: string | null = null;
-			text = note.source.content;
+		if (note.source?.mediaType === 'text/x.misskeymarkdown' && (typeof note.source.content === 'string' || note.source.contentMap)) {
+			const guessed = this.guessLang(note.source);
+			text = guessed.text;
+			lang = guessed.lang;
 		} else if (typeof note._misskey_content !== 'undefined') {
 			text = note._misskey_content;
-		} else if (typeof note.content === 'string') {
+		} else if (typeof note.content === 'string' || note.contentMap) {
-			text = this.apMfmService.htmlToMfm(note.content, note.tag);
+			const guessed = this.guessLang(note);
+			lang = guessed.lang;
+			if (guessed.text) text = this.apMfmService.htmlToMfm(guessed.text, note.tag);
 		}
 
 		const poll = await this.apQuestionService.extractPollFromQuestion(note, resolver).catch(() => undefined);
@@ -310,6 +316,7 @@ export class ApNoteService {
 				name: note.name,
 				cw,
 				text,
+				lang,
 				localOnly: false,
 				visibility,
 				visibleUsers,
@@ -400,12 +407,17 @@ export class ApNoteService {
 
 		// テキストのパース
 		let text: string | null = null;
-		if (note.source?.mediaType === 'text/x.misskeymarkdown' && typeof note.source.content === 'string') {
+		let lang: string | null = null;
-			text = note.source.content;
+		if (note.source?.mediaType === 'text/x.misskeymarkdown' && (typeof note.source.content === 'string' || note.source.contentMap)) {
+			const guessed = this.guessLang(note.source);
+			text = guessed.text;
+			lang = guessed.lang;
 		} else if (typeof note._misskey_content !== 'undefined') {
 			text = note._misskey_content;
-		} else if (typeof note.content === 'string') {
+		} else if (typeof note.content === 'string' || note.contentMap) {
-			text = this.apMfmService.htmlToMfm(note.content, note.tag);
+			const guessed = this.guessLang(note);
+			lang = guessed.lang;
+			if (guessed.text) text = this.apMfmService.htmlToMfm(guessed.text, note.tag);
 		}
 
 		const poll = await this.apQuestionService.extractPollFromQuestion(note, resolver).catch(() => undefined);
@@ -537,6 +549,7 @@ export class ApNoteService {
 				name: note.name,
 				cw,
 				text,
+				lang,
 				localOnly: false,
 				visibility,
 				visibleUsers,
@@ -654,4 +667,40 @@ export class ApNoteService {
 			}).then(x => this.emojisRepository.findOneByOrFail(x.identifiers[0]));
 		}));
 	}
+
+	@bindThis
+	private guessLang(source: { contentMap?: Obj | null, content?: string | null }): { lang: string | null, text: string | null } {
+		// do we have a map?
+		if (source.contentMap) {
+			const entries = Object.entries(source.contentMap);
+
+			// only one entry: take that
+			if (entries.length === 1) {
+				return { lang: entries[0][0], text: entries[0][1] };
+			}
+
+			// did the sender indicate a preferred language?
+			if (source.content) {
+				for (const e of entries) {
+					if (e[1] === source.content) {
+						return { lang: e[0], text: e[1] };
+					}
+				}
+			}
+
+			// can we find one of *our* preferred languages?
+			for (const prefLang of this.config.langPref) {
+				if (source.contentMap[prefLang]) {
+					return { lang: prefLang, text: source.contentMap[prefLang] };
+				}
+			}
+
+			// bah, just pick one
+			return { lang: entries[0][0], text: entries[0][1] };
+		}
+
+		// no map, so we don't know the language, just take whatever
+		// content we got
+		return { lang: null, text: source.content ?? null };
+	}
 }

packages/backend/src/core/activitypub/models/ApPersonService.ts

@@ -127,12 +127,6 @@ export class ApPersonService implements OnModuleInit {
 		this.logger = this.apLoggerService.logger;
 	}
 
-	private punyHost(url: string): string {
-		const urlObj = new URL(url);
-		const host = `${this.utilityService.toPuny(urlObj.hostname)}${urlObj.port.length > 0 ? ':' + urlObj.port : ''}`;
-		return host;
-	}
-
 	/**
 	 * Validate and convert to actor object
 	 * @param x Fetched object
@@ -140,7 +134,7 @@ export class ApPersonService implements OnModuleInit {
 	 */
 	@bindThis
 	private validateActor(x: IObject, uri: string): IActor {
-		const expectHost = this.punyHost(uri);
+		const expectHost = this.utilityService.punyHost(uri);
 
 		if (!isActor(x)) {
 			throw new Error(`invalid Actor type '${x.type}'`);
@@ -154,6 +148,19 @@ export class ApPersonService implements OnModuleInit {
 			throw new Error('invalid Actor: wrong inbox');
 		}
 
+		if (this.utilityService.punyHost(x.inbox) !== expectHost) {
+			throw new Error('invalid Actor: inbox has different host');
+		}
+
+		for (const collection of ['outbox', 'followers', 'following'] as (keyof IActor)[]) {
+			const collectionUri = (x as IActor)[collection];
+			if (typeof collectionUri === 'string' && collectionUri.length > 0) {
+				if (this.utilityService.punyHost(collectionUri) !== expectHost) {
+					throw new Error(`invalid Actor: ${collection} has different host`);
+				}
+			}
+		}
+
 		if (!(typeof x.preferredUsername === 'string' && x.preferredUsername.length > 0 && x.preferredUsername.length <= 128 && /^\w([\w-.]*\w)?$/.test(x.preferredUsername))) {
 			throw new Error('invalid Actor: wrong username');
 		}
@@ -177,7 +184,7 @@ export class ApPersonService implements OnModuleInit {
 			x.summary = truncate(x.summary, summaryLength);
 		}
 
-		const idHost = this.punyHost(x.id);
+		const idHost = this.utilityService.punyHost(x.id);
 		if (idHost !== expectHost) {
 			throw new Error('invalid Actor: id has different host');
 		}
@@ -187,7 +194,7 @@ export class ApPersonService implements OnModuleInit {
 				throw new Error('invalid Actor: publicKey.id is not a string');
 			}
 
-			const publicKeyIdHost = this.punyHost(x.publicKey.id);
+			const publicKeyIdHost = this.utilityService.punyHost(x.publicKey.id);
 			if (publicKeyIdHost !== expectHost) {
 				throw new Error('invalid Actor: publicKey.id has different host');
 			}
@@ -286,7 +293,7 @@ export class ApPersonService implements OnModuleInit {
 
 		this.logger.info(`Creating the Person: ${person.id}`);
 
-		const host = this.punyHost(object.id);
+		const host = this.utilityService.punyHost(object.id);
 
 		const fields = this.analyzeAttachments(person.attachment ?? []);
 

packages/backend/src/core/activitypub/type.ts

@@ -21,6 +21,7 @@ export interface IObject {
 	inReplyTo?: any;
 	replies?: ICollection;
 	content?: string | null;
+	contentMap?: Obj | null;
 	startTime?: Date;
 	endTime?: Date;
 	icon?: any;
@@ -114,6 +115,7 @@ export interface IPost extends IObject {
 	type: 'Note' | 'Question' | 'Article' | 'Audio' | 'Document' | 'Image' | 'Page' | 'Video' | 'Event';
 	source?: {
 		content: string;
+		contentMap?: Obj | null;
 		mediaType: string;
 	};
 	_misskey_quote?: string;
@@ -128,6 +130,7 @@ export interface IQuestion extends IObject {
 	actor: string;
 	source?: {
 		content: string;
+		contentMap?: Obj | null;
 		mediaType: string;
 	};
 	_misskey_quote?: string;

packages/backend/src/core/entities/NoteEntityService.ts

@@ -17,12 +17,12 @@ import { bindThis } from '@/decorators.js';
 import { isNotNull } from '@/misc/is-not-null.js';
 import { DebounceLoader } from '@/misc/loader.js';
 import { IdService } from '@/core/IdService.js';
+import type { Config } from '@/config.js';
 import type { OnModuleInit } from '@nestjs/common';
 import type { CustomEmojiService } from '../CustomEmojiService.js';
 import type { ReactionService } from '../ReactionService.js';
 import type { UserEntityService } from './UserEntityService.js';
 import type { DriveFileEntityService } from './DriveFileEntityService.js';
-import type { Config } from '@/config.js';
 
 @Injectable()
 export class NoteEntityService implements OnModuleInit {
@@ -120,7 +120,7 @@ export class NoteEntityService implements OnModuleInit {
 							followerId: meId,
 						},
 					});
-					
+
 					hide = !isFollowing;
 				} else {
 					// フォロワーかどうか
@@ -373,6 +373,7 @@ export class NoteEntityService implements OnModuleInit {
 			uri: note.uri ?? undefined,
 			url: note.url ?? undefined,
 			poll: note.hasPoll ? this.populatePoll(note, meId) : undefined,
+			lang: note.lang,
 			...(meId && Object.keys(note.reactions).length > 0 ? {
 				myReaction: this.populateMyReaction(note, meId, options?._hint_),
 			} : {}),

packages/backend/src/misc/langmap.ts

@@ -35,6 +35,9 @@ export const langmap = {
 	'ar-SA': {
 		nativeName: 'العربية (السعودية)',
 	},
+	'ay': {
+		nativeName: 'Aymar aru',
+	},
 	'ay-BO': {
 		nativeName: 'Aymar aru',
 	},
@@ -44,6 +47,9 @@ export const langmap = {
 	'az-AZ': {
 		nativeName: 'Azərbaycan dili',
 	},
+	'be': {
+		nativeName: 'Беларуская',
+	},
 	'be-BY': {
 		nativeName: 'Беларуская',
 	},
@@ -65,6 +71,9 @@ export const langmap = {
 	'br': {
 		nativeName: 'Brezhoneg',
 	},
+	'bs': {
+		nativeName: 'Bosanski',
+	},
 	'bs-BA': {
 		nativeName: 'Bosanski',
 	},
@@ -77,7 +86,7 @@ export const langmap = {
 	'cak': {
 		nativeName: 'Maya Kaqchikel',
 	},
-	'ck-US': {
+	'chr': {
 		nativeName: 'ᏣᎳᎩ (tsalagi)',
 	},
 	'cs': {
@@ -152,9 +161,6 @@ export const langmap = {
 	'en-ZA': {
 		nativeName: 'English (South Africa)',
 	},
-	'en@pirate': {
-		nativeName: 'English (Pirate)',
-	},
 	'eo': {
 		nativeName: 'Esperanto',
 	},
@@ -248,6 +254,9 @@ export const langmap = {
 	'fr-CH': {
 		nativeName: 'Français (Suisse)',
 	},
+	'fy': {
+		nativeName: 'Frysk',
+	},
 	'fy-NL': {
 		nativeName: 'Frysk',
 	},
@@ -266,16 +275,22 @@ export const langmap = {
 	'gl-ES': {
 		nativeName: 'Galego',
 	},
+	'gn': {
+		nativeName: 'Avañe\'ẽ',
+	},
 	'gn-PY': {
 		nativeName: 'Avañe\'ẽ',
 	},
+	'gu': {
+		nativeName: 'ગુજરાતી',
+	},
 	'gu-IN': {
 		nativeName: 'ગુજરાતી',
 	},
 	'gv': {
 		nativeName: 'Gaelg',
 	},
-	'gx-GR': {
+	'grc': {
 		nativeName: 'Ἑλληνική ἀρχαία',
 	},
 	'he': {
@@ -338,12 +353,21 @@ export const langmap = {
 	'ja-JP': {
 		nativeName: '日本語 (日本)',
 	},
+	'jv': {
+		nativeName: 'Basa Jawa',
+	},
 	'jv-ID': {
 		nativeName: 'Basa Jawa',
 	},
+	'ka': {
+		nativeName: 'ქართული',
+	},
 	'ka-GE': {
 		nativeName: 'ქართული',
 	},
+	'kk': {
+		nativeName: 'Қазақша',
+	},
 	'kk-KZ': {
 		nativeName: 'Қазақша',
 	},
@@ -371,6 +395,9 @@ export const langmap = {
 	'ko-KR': {
 		nativeName: '한국어 (한국)',
 	},
+	'ku': {
+		nativeName: 'Kurdî',
+	},
 	'ku-TR': {
 		nativeName: 'Kurdî',
 	},
@@ -386,6 +413,9 @@ export const langmap = {
 	'lb': {
 		nativeName: 'Lëtzebuergesch',
 	},
+	'li': {
+		nativeName: 'Lèmbörgs',
+	},
 	'li-NL': {
 		nativeName: 'Lèmbörgs',
 	},
@@ -404,6 +434,9 @@ export const langmap = {
 	'mai': {
 		nativeName: 'मैथिली, মৈথিলী',
 	},
+	'mg': {
+		nativeName: 'Malagasy',
+	},
 	'mg-MG': {
 		nativeName: 'Malagasy',
 	},
@@ -419,6 +452,9 @@ export const langmap = {
 	'ml-IN': {
 		nativeName: 'മലയാളം',
 	},
+	'mn': {
+		nativeName: 'Монгол',
+	},
 	'mn-MN': {
 		nativeName: 'Монгол',
 	},
@@ -443,6 +479,9 @@ export const langmap = {
 	'my': {
 		nativeName: 'ဗမာစကာ',
 	},
+	'nan': {
+		nativeName: '閩南語',
+	},
 	'no': {
 		nativeName: 'Norsk',
 	},
@@ -467,12 +506,18 @@ export const langmap = {
 	'nl-NL': {
 		nativeName: 'Nederlands (Nederland)',
 	},
+	'nn': {
+		nativeName: 'Norsk (nynorsk)',
+	},
 	'nn-NO': {
 		nativeName: 'Norsk (nynorsk)',
 	},
 	'oc': {
 		nativeName: 'Occitan',
 	},
+	'or': {
+		nativeName: 'ଓଡ଼ିଆ',
+	},
 	'or-IN': {
 		nativeName: 'ଓଡ଼ିଆ',
 	},
@@ -488,6 +533,9 @@ export const langmap = {
 	'pl-PL': {
 		nativeName: 'Polski',
 	},
+	'ps': {
+		nativeName: 'پښتو',
+	},
 	'ps-AF': {
 		nativeName: 'پښتو',
 	},
@@ -500,9 +548,15 @@ export const langmap = {
 	'pt-PT': {
 		nativeName: 'Português (Portugal)',
 	},
+	'qu': {
+		nativeName: 'Qhichwa',
+	},
 	'qu-PE': {
 		nativeName: 'Qhichwa',
 	},
+	'rm': {
+		nativeName: 'Rumantsch',
+	},
 	'rm-CH': {
 		nativeName: 'Rumantsch',
 	},
@@ -518,15 +572,24 @@ export const langmap = {
 	'ru-RU': {
 		nativeName: 'Русский',
 	},
+	'sa': {
+		nativeName: 'संस्कृतम्',
+	},
 	'sa-IN': {
 		nativeName: 'संस्कृतम्',
 	},
+	'se': {
+		nativeName: 'Davvisámegiella',
+	},
 	'se-NO': {
 		nativeName: 'Davvisámegiella',
 	},
 	'sh': {
 		nativeName: 'српскохрватски',
 	},
+	'si': {
+		nativeName: 'සිංහල',
+	},
 	'si-LK': {
 		nativeName: 'සිංහල',
 	},
@@ -542,6 +605,9 @@ export const langmap = {
 	'sl-SI': {
 		nativeName: 'Slovenščina',
 	},
+	'so': {
+		nativeName: 'Soomaaliga',
+	},
 	'so-SO': {
 		nativeName: 'Soomaaliga',
 	},
@@ -602,12 +668,18 @@ export const langmap = {
 	'tlh': {
 		nativeName: 'tlhIngan-Hol',
 	},
+	'tok': {
+		nativeName: 'Toki Pona',
+	},
 	'tr': {
 		nativeName: 'Türkçe',
 	},
 	'tr-TR': {
 		nativeName: 'Türkçe',
 	},
+	'tt': {
+		nativeName: 'татарча',
+	},
 	'tt-RU': {
 		nativeName: 'татарча',
 	},
@@ -635,6 +707,9 @@ export const langmap = {
 	'vi-VN': {
 		nativeName: 'Tiếng Việt',
 	},
+	'xh': {
+		nativeName: 'isiXhosa',
+	},
 	'xh-ZA': {
 		nativeName: 'isiXhosa',
 	},
@@ -644,6 +719,9 @@ export const langmap = {
 	'yi-DE': {
 		nativeName: 'ייִדיש (German)',
 	},
+	'yue': {
+		nativeName: '粵語',
+	},
 	'zh': {
 		nativeName: '中文',
 	},
@@ -665,7 +743,16 @@ export const langmap = {
 	'zh-TW': {
 		nativeName: '中文（台灣）',
 	},
+	'zu': {
+		nativeName: 'isiZulu',
+	},
 	'zu-ZA': {
 		nativeName: 'isiZulu',
 	},
 };
+
+export const langs: string[] = [
+	...(Object.keys(langmap).filter(tag => tag.indexOf('-') < 0)),
+	'zh-Hans',
+	'zh-Hant',
+];

packages/backend/src/models/Note.ts

@@ -61,6 +61,12 @@ export class MiNote {
 	})
 	public text: string | null;
 
+	@Column('varchar', {
+		length: 10,
+		nullable: true,
+	})
+	public lang: string | null;
+
 	@Column('varchar', {
 		length: 256, nullable: true,
 	})

packages/backend/src/models/NoteEdit.ts

@@ -1,4 +1,4 @@
-import { Entity, JoinColumn, Column, ManyToOne, PrimaryColumn, Index } from "typeorm";
+import { Entity, JoinColumn, Column, ManyToOne, PrimaryColumn, Index } from 'typeorm';
 import { id } from './util/id.js';
 import { MiNote } from './Note.js';
 import type { MiDriveFile } from './DriveFile.js';
@@ -11,46 +11,52 @@ export class NoteEdit {
 	@Index()
 	@Column({
 		...id(),
-		comment: "The ID of note.",
+		comment: 'The ID of note.',
 	})
-	public noteId: MiNote["id"];
+	public noteId: MiNote['id'];
 
 	@ManyToOne((type) => MiNote, {
-		onDelete: "CASCADE",
+		onDelete: 'CASCADE',
 	})
 	@JoinColumn()
 	public note: MiNote | null;
 
-	@Column("text", {
+	@Column('text', {
 		nullable: true,
 	})
 	public oldText: string | null;
 
-	@Column("text", {
+	@Column('text', {
 		nullable: true,
 	})
 	public newText: string | null;
 
-	@Column("varchar", {
+	@Column('varchar', {
 		length: 512,
 		nullable: true,
 	})
 	public cw: string | null;
 
+	@Column('varchar', {
+		length: 10,
+		nullable: true,
+	})
+	public lang: string | null;
+
 	@Column({
 		...id(),
 		array: true,
-		default: "{}",
+		default: '{}',
 	})
-	public fileIds: MiDriveFile["id"][];
+	public fileIds: MiDriveFile['id'][];
 
-	@Column("timestamp with time zone", {
+	@Column('timestamp with time zone', {
-		comment: "The updated date of the Note.",
+		comment: 'The updated date of the Note.',
 	})
 	public updatedAt: Date;
 
-	@Column("timestamp with time zone", {
+	@Column('timestamp with time zone', {
-		comment: "The old date from before the edit",
+		comment: 'The old date from before the edit',
 	})
 	public oldDate: Date;
 }

packages/backend/src/models/json-schema/note.ts

@@ -2,6 +2,7 @@
  * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
+import { langs } from '@/misc/langmap.js';
 
 export const packedNoteSchema = {
 	type: 'object',
@@ -26,6 +27,11 @@ export const packedNoteSchema = {
 			type: 'string',
 			optional: false, nullable: true,
 		},
+		lang: {
+			type: 'string',
+			enum: langs,
+			nullable: true,
+		},
 		cw: {
 			type: 'string',
 			optional: true, nullable: true,

packages/backend/src/server/api/endpoints/ap/show.ts

@@ -113,8 +113,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	@bindThis
 	private async fetchAny(uri: string, me: MiLocalUser | null | undefined): Promise<SchemaType<typeof meta['res']> | null> {
 	// ブロックしてたら中断
+		const host = this.utilityService.extractDbHost(uri);
 		const fetchedMeta = await this.metaService.fetch();
-		if (this.utilityService.isBlockedHost(fetchedMeta.blockedHosts, this.utilityService.extractDbHost(uri))) return null;
+		if (this.utilityService.isBlockedHost(fetchedMeta.blockedHosts, host)) return null;
 
 		let local = await this.mergePack(me, ...await Promise.all([
 			this.apDbResolverService.getUserFromApId(uri),
@@ -122,6 +123,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		]));
 		if (local != null) return local;
 
+		// local object, not found in db? fail
+		if (this.utilityService.isSelfHost(host)) return null;
+
 		// リモートから一旦オブジェクトフェッチ
 		const resolver = this.apResolverService.createResolver();
 		const object = await resolver.resolve(uri) as any;

packages/backend/src/server/api/endpoints/i/update.ts

@@ -382,7 +382,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				updates.backgroundUrl = null;
 				updates.backgroundBlurhash = null;
 			}
-			
+
 			if (ps.avatarDecorations) {
 				const decorations = await this.avatarDecorationService.getAll(true);
 				const [myRoles, myPolicies] = await Promise.all([this.roleService.getUserRoles(user.id), this.roleService.getUserPolicies(user.id)]);

packages/backend/src/server/api/endpoints/notes/create.ts

@@ -20,6 +20,7 @@ import { isPureRenote } from '@/misc/is-pure-renote.js';
 import { MetaService } from '@/core/MetaService.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
+import { langs } from '@/misc/langmap.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -148,6 +149,7 @@ export const paramDef = {
 		visibleUserIds: { type: 'array', uniqueItems: true, items: {
 			type: 'string', format: 'misskey:id',
 		} },
+		lang: { type: 'string', enum: langs, nullable: true, maxLength: 10 },
 		cw: { type: 'string', nullable: true, minLength: 1, maxLength: 500 },
 		localOnly: { type: 'boolean', default: false },
 		reactionAcceptance: { type: 'string', nullable: true, enum: [null, 'likeOnly', 'likeOnlyForRemote', 'nonSensitiveOnly', 'nonSensitiveOnlyForLocalLikeOnlyForRemote'], default: null },
@@ -384,6 +386,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 						expiresAt: ps.poll.expiresAt ? new Date(ps.poll.expiresAt) : null,
 					} : undefined,
 					text: ps.text ?? undefined,
+					lang: ps.lang,
 					reply,
 					renote,
 					cw: ps.cw,

packages/backend/src/server/api/endpoints/notes/edit.ts

@@ -13,6 +13,7 @@ import { NoteEditService } from '@/core/NoteEditService.js';
 import { DI } from '@/di-symbols.js';
 import { isPureRenote } from '@/misc/is-pure-renote.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
+import { langs } from '@/misc/langmap.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -197,6 +198,7 @@ export const paramDef = {
 				format: 'misskey:id',
 			},
 		},
+		lang: { type: 'string', enum: langs, nullable: true, maxLength: 10 },
 		cw: { type: 'string', nullable: true, minLength: 1, maxLength: 500 },
 		localOnly: { type: 'boolean', default: false },
 		reactionAcceptance: { type: 'string', nullable: true, enum: [null, 'likeOnly', 'likeOnlyForRemote', 'nonSensitiveOnly', 'nonSensitiveOnlyForLocalLikeOnlyForRemote'], default: null },
@@ -436,6 +438,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 						expiresAt: ps.poll.expiresAt ? new Date(ps.poll.expiresAt) : null,
 					} : undefined,
 					text: ps.text ?? undefined,
+					lang: ps.lang,
 					reply,
 					renote,
 					cw: ps.cw,

packages/frontend/src/components/MkNote.vue

@@ -54,7 +54,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkInstanceTicker v-if="showTicker" :instance="appearNote.user.instance"/>
 			<div style="container-type: inline-size;">
 				<p v-if="appearNote.cw != null" :class="$style.cw">
-					<Mfm v-if="appearNote.cw != ''" style="margin-right: 8px;" :text="appearNote.cw" :author="appearNote.user" :nyaize="'respect'"/>
+					<Mfm v-if="appearNote.cw != ''" style="margin-right: 8px;" :text="appearNote.cw" :lang="appearNote.lang" :author="appearNote.user" :nyaize="'respect'"/>
 					<MkCwButton v-model="showContent" :text="appearNote.text" :renote="appearNote.renote" :files="appearNote.files" :poll="appearNote.poll" style="margin: 4px 0;" @click.stop/>
 				</p>
 				<div v-show="appearNote.cw == null || showContent" :class="[{ [$style.contentCollapsed]: collapsed }]">
@@ -65,6 +65,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 							v-if="appearNote.text"
 							:parsedNodes="parsed"
 							:text="appearNote.text"
+							:lang="appearNote.lang"
 							:author="appearNote.user"
 							:nyaize="'respect'"
 							:emojiUrls="appearNote.emojis"
@@ -76,7 +77,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 							<MkLoading v-if="translating" mini/>
 							<div v-else-if="translation">
 								<b>{{ i18n.tsx.translatedFrom({ x: translation.sourceLang }) }}: </b>
-								<Mfm :text="translation.text" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
+								<Mfm :text="translation.text" :lang="nativeLang" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
 							</div>
 						</div>
 						<MkButton v-if="!allowAnim && animated" :class="$style.playMFMButton" :small="true" @click="animatedMFM()" @click.stop><i class="ph-play ph-bold ph-lg "></i> {{ i18n.ts._animatedMFM.play }}</MkButton>
@@ -217,6 +218,7 @@ import { showMovedDialog } from '@/scripts/show-moved-dialog.js';
 import { shouldCollapsed } from '@/scripts/collapsed.js';
 import { useRouter } from '@/router/supplier.js';
 import { boostMenuItems, type Visibility } from '@/scripts/boost-quote.js';
+import { miLocalStorage } from '@/local-storage.js';
 
 const props = withDefaults(defineProps<{
 	note: Misskey.entities.Note;
@@ -305,11 +307,12 @@ const renoteCollapsed = ref(
 	defaultStore.state.collapseRenotes && isRenote && (
 		($i && ($i.id === note.value.userId || $i.id === appearNote.value.userId)) || // `||` must be `||`! See https://github.com/misskey-dev/misskey/issues/13131
 		(appearNote.value.myReaction != null)
-	)
+	),
 );
 const defaultLike = computed(() => defaultStore.state.like ? defaultStore.state.like : null);
 const animated = computed(() => parsed.value ? checkAnimationFromMfm(parsed.value) : null);
 const allowAnim = ref(defaultStore.state.advancedMfm && defaultStore.state.animatedMfm ? true : false);
+const nativeLang = ref(miLocalStorage.getItem('lang') ?? window.navigator.language);
 
 /* Overload FunctionにLintが対応していないのでコメントアウト
 function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: true): boolean;
@@ -416,7 +419,7 @@ function boostVisibility() {
 	}
 }
 
-function renote(visibility: Visibility, localOnly: boolean = false) {
+function renote(visibility: Visibility, localOnly = false) {
 	pleaseLogin();
 	showMovedDialog();
 

packages/frontend/src/components/MkNoteDetailed.vue

@@ -68,7 +68,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		</header>
 		<div :class="$style.noteContent">
 			<p v-if="appearNote.cw != null" :class="$style.cw">
-				<Mfm v-if="appearNote.cw != ''" style="margin-right: 8px;" :text="appearNote.cw" :author="appearNote.user" :nyaize="'respect'"/>
+				<Mfm v-if="appearNote.cw != ''" style="margin-right: 8px;" :text="appearNote.cw" :lang="appearNote.lang" :author="appearNote.user" :nyaize="'respect'"/>
 				<MkCwButton v-model="showContent" :text="appearNote.text" :files="appearNote.files" :poll="appearNote.poll"/>
 			</p>
 			<div v-show="appearNote.cw == null || showContent">
@@ -78,6 +78,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					v-if="appearNote.text"
 					:parsedNodes="parsed"
 					:text="appearNote.text"
+					:lang="appearNote.lang"
 					:author="appearNote.user"
 					:nyaize="'respect'"
 					:emojiUrls="appearNote.emojis"
@@ -90,7 +91,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<MkLoading v-if="translating" mini/>
 					<div v-else-if="translation">
 						<b>{{ i18n.tsx.translatedFrom({ x: translation.sourceLang }) }}: </b>
-						<Mfm :text="translation.text" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
+						<Mfm :text="translation.text" :lang="nativeLang" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
 					</div>
 				</div>
 				<MkButton v-if="!allowAnim && animated" :class="$style.playMFMButton" :small="true" @click="animatedMFM()" @click.stop><i class="ph-play ph-bold ph-lg "></i> {{ i18n.ts._animatedMFM.play }}</MkButton>
@@ -258,6 +259,7 @@ import MkPagination, { type Paging } from '@/components/MkPagination.vue';
 import MkReactionIcon from '@/components/MkReactionIcon.vue';
 import MkButton from '@/components/MkButton.vue';
 import { boostMenuItems, type Visibility } from '@/scripts/boost-quote.js';
+import { miLocalStorage } from '@/local-storage.js';
 
 const props = defineProps<{
 	note: Misskey.entities.Note;
@@ -321,6 +323,7 @@ const replies = ref<Misskey.entities.Note[]>([]);
 const quotes = ref<Misskey.entities.Note[]>([]);
 const canRenote = computed(() => ['public', 'home'].includes(appearNote.value.visibility) || (appearNote.value.visibility === 'followers' && appearNote.value.userId === $i?.id));
 const defaultLike = computed(() => defaultStore.state.like ? defaultStore.state.like : null);
+const nativeLang = ref(miLocalStorage.getItem('lang') ?? window.navigator.language);
 
 watch(() => props.expandAllCws, (expandAllCws) => {
 	if (expandAllCws !== showContent.value) showContent.value = expandAllCws;
@@ -438,7 +441,7 @@ function boostVisibility() {
 	}
 }
 
-function renote(visibility: Visibility, localOnly: boolean = false) {
+function renote(visibility: Visibility, localOnly = false) {
 	pleaseLogin();
 	showMovedDialog();
 

packages/frontend/src/components/MkNoteSub.vue

@@ -12,7 +12,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkNoteHeader :class="$style.header" :note="note" :mini="true"/>
 			<div :class="$style.content">
 				<p v-if="note.cw != null" :class="$style.cw">
-					<Mfm v-if="note.cw != ''" style="margin-right: 8px;" :text="note.cw" :author="note.user" :nyaize="'respect'"/>
+					<Mfm v-if="note.cw != ''" style="margin-right: 8px;" :text="note.cw" :lang="note.lang" :author="note.user" :nyaize="'respect'"/>
 					<MkCwButton v-model="showContent" :text="note.text" :files="note.files" :poll="note.poll"/>
 				</p>
 				<div v-show="note.cw == null || showContent">
@@ -281,7 +281,7 @@ function boostVisibility() {
 	}
 }
 
-function renote(visibility: Visibility, localOnly: boolean = false) {
+function renote(visibility: Visibility, localOnly = false) {
 	pleaseLogin();
 	showMovedDialog();
 

packages/frontend/src/components/MkPostForm.vue

@@ -32,6 +32,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<span :class="$style.headerRightButtonText">{{ channel.name }}</span>
 				</button>
 			</template>
+			<button v-click-anime v-tooltip="i18n.ts.language" :class="['_button', $style.headerRightItem]" @click="setLanguage">
+				<span><i class="ph-translate ph-bold ph-lg"></i></span>
+				<span v-if="language" :class="$style.headerRightButtonText">{{ language }}</span>
+			</button>
 			<button v-click-anime v-tooltip="i18n.ts._visibility.disableFederation" class="_button" :class="[$style.headerRightItem, { [$style.danger]: localOnly }]" :disabled="channel != null || visibility === 'specified'" @click="toggleLocalOnly">
 				<span v-if="!localOnly"><i class="ph-rocket-launch ph-bold ph-lg"></i></span>
 				<span v-else><i class="ph-rocket ph-bold ph-lg"></i></span>
@@ -65,16 +69,16 @@ SPDX-License-Identifier: AGPL-3.0-only
 		</div>
 	</div>
 	<MkInfo v-if="hasNotSpecifiedMentions" warn :class="$style.hasNotSpecifiedMentions">{{ i18n.ts.notSpecifiedMentionWarning }} - <button class="_textButton" @click="addMissingMention()">{{ i18n.ts.add }}</button></MkInfo>
-	<input v-show="useCw" ref="cwInputEl" v-model="cw" :class="$style.cw" :placeholder="i18n.ts.annotation" @keydown="onKeydown">
+	<input v-show="useCw" ref="cwInputEl" v-model="cw" :class="$style.cw" :placeholder="i18n.ts.annotation" :lang="language ?? undefined" @keydown="onKeydown">
 	<div :class="[$style.textOuter, { [$style.withCw]: useCw }]">
 		<div v-if="channel" :class="$style.colorBar" :style="{ background: channel.color }"></div>
-		<textarea ref="textareaEl" v-model="text" :class="[$style.text]" :disabled="posting || posted" :readonly="textAreaReadOnly" :placeholder="placeholder" data-cy-post-form-text @keydown="onKeydown" @paste="onPaste" @compositionupdate="onCompositionUpdate" @compositionend="onCompositionEnd"/>
+		<textarea ref="textareaEl" v-model="text" :class="[$style.text]" :disabled="posting || posted" :readonly="textAreaReadOnly" :placeholder="placeholder" :lang="language ?? undefined" data-cy-post-form-text @keydown="onKeydown" @paste="onPaste" @compositionupdate="onCompositionUpdate" @compositionend="onCompositionEnd"/>
 		<div v-if="maxTextLength - textLength < 100" :class="['_acrylic', $style.textCount, { [$style.textOver]: textLength > maxTextLength }]">{{ maxTextLength - textLength }}</div>
 	</div>
 	<input v-show="withHashtags" ref="hashtagsInputEl" v-model="hashtags" :class="$style.hashtags" :placeholder="i18n.ts.hashtags" list="hashtags">
 	<XPostFormAttaches v-model="files" @detach="detachFile" @changeSensitive="updateFileSensitive" @changeName="updateFileName" @replaceFile="replaceFile"/>
-	<MkPollEditor v-if="poll" v-model="poll" @destroyed="poll = null"/>
+	<MkPollEditor v-if="poll" v-model="poll" :lang="language ?? undefined" @destroyed="poll = null"/>
-	<MkNotePreview v-if="showPreview" :class="$style.preview" :text="text" :files="files" :poll="poll ?? undefined" :useCw="useCw" :cw="cw" :user="postAccount ?? $i"/>
+	<MkNotePreview v-if="showPreview" :class="$style.preview" :text="text" :lang="language ?? undefined" :files="files" :poll="poll ?? undefined" :useCw="useCw" :cw="cw" :user="postAccount ?? $i"/>
 	<div v-if="showingOptions" style="padding: 8px 16px;">
 	</div>
 	<footer :class="$style.footer">
@@ -130,6 +134,8 @@ import { miLocalStorage } from '@/local-storage.js';
 import { claimAchievement } from '@/scripts/achievements.js';
 import { emojiPicker } from '@/scripts/emoji-picker.js';
 import { mfmFunctionPicker } from '@/scripts/mfm-function-picker.js';
+import { langmap, langs } from '@/scripts/langmap.js';
+import { MenuItem } from '@/types/menu.js';
 
 const $i = signinRequired();
 
@@ -144,6 +150,7 @@ const props = withDefaults(defineProps<{
 	initialText?: string;
 	initialCw?: string;
 	initialVisibility?: (typeof Misskey.noteVisibilities)[number];
+	initialLanguage?: (typeof Misskey.languages)[number];
 	initialFiles?: Misskey.entities.DriveFile[];
 	initialLocalOnly?: boolean;
 	initialVisibleUsers?: Misskey.entities.UserDetailed[];
@@ -202,6 +209,7 @@ const recentHashtags = ref(JSON.parse(miLocalStorage.getItem('hashtags') ?? '[]'
 const imeText = ref('');
 const showingOptions = ref(false);
 const textAreaReadOnly = ref(false);
+const language = ref<string | null>(props.initialLanguage ?? defaultStore.state.recentlyUsedPostLanguages[0] ?? attemptNormalizeLang(localStorage.getItem('lang')));
 
 const draftKey = computed((): string => {
 	let key = props.channel ? `channel:${props.channel.id}` : '';
@@ -362,6 +370,7 @@ function watchForDraft() {
 	watch(files, () => saveDraft(), { deep: true });
 	watch(visibility, () => saveDraft());
 	watch(localOnly, () => saveDraft());
+	watch(language, () => saveDraft());
 }
 
 function MFMWindow() {
@@ -536,6 +545,64 @@ async function toggleReactionAcceptance() {
 	reactionAcceptance.value = select.result;
 }
 
+function attemptNormalizeLang(lang: string | null) {
+	if (lang == null) return null;
+	if (!langs[lang]) lang = lang.split('-')[0];
+	return lang;
+}
+
+function setLanguage(ev: MouseEvent) {
+	const actions: Array<MenuItem> = [];
+
+	if (language.value != null) actions.push({
+		text: langmap[language.value].nativeName,
+		danger: false,
+		active: true,
+		action: () => {},
+	});
+
+	// Show recently used language first
+	let recentlyUsedLanguagesExist = false;
+	for (const lang of defaultStore.state.recentlyUsedPostLanguages) {
+		if (lang === language.value) continue;
+		if (!langs.includes(lang)) continue;
+		actions.push({
+			text: langmap[lang].nativeName,
+			danger: false,
+			active: false,
+			action: () => {
+				language.value = lang;
+			},
+		});
+		recentlyUsedLanguagesExist = true;
+	}
+	if (recentlyUsedLanguagesExist) actions.push({ type: 'divider' });
+
+	actions.push({
+		text: i18n.ts.noLanguage,
+		danger: false,
+		active: false,
+		action: () => {
+			language.value = null;
+		},
+	});
+
+	for (const lang of langs) {
+		if (lang === language.value) continue;
+		if (defaultStore.state.recentlyUsedPostLanguages.includes(lang)) continue;
+		actions.push({
+			text: langmap[lang].nativeName,
+			danger: false,
+			active: false,
+			action: () => {
+				language.value = lang;
+			},
+		});
+	}
+
+	os.popupMenu(actions, ev.currentTarget ?? ev.target);
+}
+
 function pushVisibleUser(user: Misskey.entities.UserDetailed) {
 	if (!visibleUsers.value.some(u => u.username === user.username && u.host === user.host)) {
 		visibleUsers.value.push(user);
@@ -677,6 +744,7 @@ function saveDraft() {
 			cw: cw.value,
 			visibility: visibility.value,
 			localOnly: localOnly.value,
+			lang: language.value,
 			files: files.value,
 			poll: poll.value,
 		},
@@ -745,7 +813,7 @@ async function post(ev?: MouseEvent) {
 			visibility.value = 'home';
 		}
 	}
-	
+
 	if (defaultStore.state.warnMissingAltText) {
 		const filesData = toRaw(files.value);
 
@@ -765,7 +833,7 @@ async function post(ev?: MouseEvent) {
 			});
 
 			if (canceled) return;
-			if (result === 'cancel') return;	
+			if (result === 'cancel') return;
 		}
 	}
 
@@ -777,6 +845,7 @@ async function post(ev?: MouseEvent) {
 		channelId: props.channel ? props.channel.id : undefined,
 		poll: poll.value,
 		cw: useCw.value ? cw.value ?? '' : null,
+		lang: language.value ?? null,
 		localOnly: localOnly.value,
 		visibility: visibility.value,
 		visibleUserIds: visibility.value === 'specified' ? visibleUsers.value.map(u => u.id) : undefined,
@@ -884,6 +953,17 @@ async function post(ev?: MouseEvent) {
 			text: err.message + '\n' + (err as any).id,
 		});
 	});
+
+	// update recentlyUsedLanguages
+	if (language.value != null) {
+		const maxLength = 6;
+		const filteredRecentlyUsed = defaultStore.state.recentlyUsedPostLanguages.filter((lang) => {
+			return (lang !== language.value && langs.includes(lang));
+		});
+		const recentlyUsedLangs = [language.value].concat(filteredRecentlyUsed).slice(0, maxLength);
+
+		defaultStore.set('recentlyUsedPostLanguages', recentlyUsedLangs);
+	}
 }
 
 function cancel() {
@@ -986,6 +1066,7 @@ onMounted(() => {
 				useCw.value = draft.data.useCw;
 				visibility.value = draft.data.visibility;
 				localOnly.value = draft.data.localOnly;
+				language.value = draft.data.lang;
 				files.value = (draft.data.files || []).filter(draftFile => draftFile);
 
 				if (draft.data.poll) {
@@ -1011,6 +1092,7 @@ onMounted(() => {
 			}
 			visibility.value = init.visibility;
 			localOnly.value = init.localOnly ?? false;
+			language.value = init.lang;
 			quoteId.value = init.renote ? init.renote.id : null;
 		}
 

packages/frontend/src/components/MkPostFormDialog.vue

@@ -24,6 +24,7 @@ const props = defineProps<{
 	initialText?: string;
 	initialCw?: string;
 	initialVisibility?: (typeof Misskey.noteVisibilities)[number];
+	initialLanguage?: (typeof Misskey.languages)[number];
 	initialFiles?: Misskey.entities.DriveFile[];
 	initialLocalOnly?: boolean;
 	initialVisibleUsers?: Misskey.entities.UserDetailed[];
@@ -31,7 +32,7 @@ const props = defineProps<{
 	instant?: boolean;
 	fixed?: boolean;
 	autofocus?: boolean;
-	editId?: Misskey.entities.Note["id"];
+	editId?: Misskey.entities.Note['id'];
 }>();
 
 const emit = defineEmits<{

packages/frontend/src/components/MkSubNoteContent.vue

@@ -9,14 +9,14 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<span v-if="note.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
 		<span v-if="note.deletedAt" style="opacity: 0.5">({{ i18n.ts.deletedNote }})</span>
 		<MkA v-if="note.replyId" :class="$style.reply" :to="`/notes/${note.replyId}`" @click.stop><i class="ph-arrow-bend-left-up ph-bold ph-lg"></i></MkA>
-		<Mfm v-if="note.text" :text="note.text" :author="note.user" :nyaize="'respect'" :isAnim="allowAnim" :emojiUrls="note.emojis"/>
+		<Mfm v-if="note.text" :text="note.text" :lang="note.lang" :author="note.user" :nyaize="'respect'" :isAnim="allowAnim" :emojiUrls="note.emojis"/>
 		<MkButton v-if="!allowAnim && animated && !hideFiles" :class="$style.playMFMButton" :small="true" @click="animatedMFM()" @click.stop><i class="ph-play ph-bold ph-lg "></i> {{ i18n.ts._animatedMFM.play }}</MkButton>
 		<MkButton v-else-if="!defaultStore.state.animatedMfm && allowAnim && animated && !hideFiles" :class="$style.playMFMButton" :small="true" @click="animatedMFM()" @click.stop><i class="ph-stop ph-bold ph-lg "></i> {{ i18n.ts._animatedMFM.stop }}</MkButton>
 		<div v-if="note.text && translating || note.text && translation" :class="$style.translation">
 			<MkLoading v-if="translating" mini/>
 			<div v-else>
 				<b>{{ i18n.tsx.translatedFrom({ x: translation.sourceLang }) }}: </b>
-				<Mfm :text="translation.text" :author="note.user" :nyaize="'respect'" :emojiUrls="note.emojis"/>
+				<Mfm :text="translation.text" :lang="nativeLang" :author="note.user" :nyaize="'respect'" :emojiUrls="note.emojis"/>
 			</div>
 		</div>
 		<MkA v-if="note.renoteId" :class="$style.rp" :to="`/notes/${note.renoteId}`" @click.stop>RN: ...</MkA>
@@ -51,6 +51,7 @@ import { defaultStore } from '@/store.js';
 import { useRouter } from '@/router/supplier.js';
 import * as os from '@/os.js';
 import { checkAnimationFromMfm } from '@/scripts/check-animated-mfm.js';
+import { miLocalStorage } from '@/local-storage.js';
 
 const props = defineProps<{
 	note: Misskey.entities.Note;
@@ -72,6 +73,7 @@ function noteclick(id: string) {
 const parsed = computed(() => props.note.text ? mfm.parse(props.note.text) : null);
 const animated = computed(() => parsed.value ? checkAnimationFromMfm(parsed.value) : null);
 let allowAnim = ref(defaultStore.state.advancedMfm && defaultStore.state.animatedMfm ? true : false);
+const nativeLang = ref(miLocalStorage.getItem('lang') ?? window.navigator.language);
 
 const isLong = defaultStore.state.expandLongNote && !props.hideFiles ? false : shouldCollapsed(props.note, []);
 

packages/frontend/src/components/SkNote.vue

@@ -57,7 +57,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div :class="[{ [$style.clickToOpen]: defaultStore.state.clickToOpen }]" @click.stop="defaultStore.state.clickToOpen ? noteclick(appearNote.id) : undefined">
 			<div style="container-type: inline-size;">
 				<p v-if="appearNote.cw != null" :class="$style.cw">
-					<Mfm v-if="appearNote.cw != ''" style="margin-right: 8px;" :text="appearNote.cw" :author="appearNote.user" :nyaize="'respect'"/>
+					<Mfm v-if="appearNote.cw != ''" style="margin-right: 8px;" :text="appearNote.cw" :lang="appearNote.lang" :author="appearNote.user" :nyaize="'respect'"/>
 					<MkCwButton v-model="showContent" :text="appearNote.text" :renote="appearNote.renote" :files="appearNote.files" :poll="appearNote.poll" style="margin: 4px 0;" @click.stop/>
 				</p>
 				<div v-show="appearNote.cw == null || showContent" :class="[{ [$style.contentCollapsed]: collapsed }]">
@@ -67,6 +67,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 							v-if="appearNote.text"
 							:parsedNodes="parsed"
 							:text="appearNote.text"
+							:lang="appearNote.lang"
 							:author="appearNote.user"
 							:nyaize="'respect'"
 							:emojiUrls="appearNote.emojis"
@@ -78,7 +79,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 							<MkLoading v-if="translating" mini/>
 							<div v-else-if="translation">
 								<b>{{ i18n.tsx.translatedFrom({ x: translation.sourceLang }) }}: </b>
-								<Mfm :text="translation.text" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
+								<Mfm :text="translation.text" :lang="nativeLang" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
 							</div>
 						</div>
 						<MkButton v-if="!allowAnim && animated" :class="$style.playMFMButton" :small="true" @click="animatedMFM()" @click.stop><i class="ph-play ph-bold ph-lg "></i> {{ i18n.ts._animatedMFM.play }}</MkButton>
@@ -218,6 +219,7 @@ import { showMovedDialog } from '@/scripts/show-moved-dialog.js';
 import { shouldCollapsed } from '@/scripts/collapsed.js';
 import { useRouter } from '@/router/supplier.js';
 import { boostMenuItems, type Visibility } from '@/scripts/boost-quote.js';
+import { miLocalStorage } from '@/local-storage.js';
 
 const props = withDefaults(defineProps<{
 	note: Misskey.entities.Note;
@@ -306,11 +308,12 @@ const renoteCollapsed = ref(
 	defaultStore.state.collapseRenotes && isRenote && (
 		($i && ($i.id === note.value.userId || $i.id === appearNote.value.userId)) || // `||` must be `||`! See https://github.com/misskey-dev/misskey/issues/13131
 		(appearNote.value.myReaction != null)
-	)
+	),
 );
 const defaultLike = computed(() => defaultStore.state.like ? defaultStore.state.like : null);
 const animated = computed(() => parsed.value ? checkAnimationFromMfm(parsed.value) : null);
 const allowAnim = ref(defaultStore.state.advancedMfm && defaultStore.state.animatedMfm ? true : false);
+const nativeLang = ref(miLocalStorage.getItem('lang') ?? window.navigator.language);
 
 /* Overload FunctionにLintが対応していないのでコメントアウト
 function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: true): boolean;
@@ -417,7 +420,7 @@ function boostVisibility() {
 	}
 }
 
-function renote(visibility: Visibility, localOnly: boolean = false) {
+function renote(visibility: Visibility, localOnly = false) {
 	pleaseLogin();
 	showMovedDialog();
 

packages/frontend/src/components/SkNoteDetailed.vue

@@ -77,7 +77,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		</header>
 		<div :class="$style.noteContent">
 			<p v-if="appearNote.cw != null" :class="$style.cw">
-				<Mfm v-if="appearNote.cw != ''" style="margin-right: 8px;" :text="appearNote.cw" :author="appearNote.user" :nyaize="'respect'"/>
+				<Mfm v-if="appearNote.cw != ''" style="margin-right: 8px;" :text="appearNote.cw" :lang="appearNote.lang" :author="appearNote.user" :nyaize="'respect'"/>
 				<MkCwButton v-model="showContent" :text="appearNote.text" :files="appearNote.files" :poll="appearNote.poll"/>
 			</p>
 			<div v-show="appearNote.cw == null || showContent">
@@ -86,6 +86,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					v-if="appearNote.text"
 					:parsedNodes="parsed"
 					:text="appearNote.text"
+					:lang="appearNote.lang"
 					:author="appearNote.user"
 					:nyaize="'respect'"
 					:emojiUrls="appearNote.emojis"
@@ -98,7 +99,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<MkLoading v-if="translating" mini/>
 					<div v-else-if="translation">
 						<b>{{ i18n.tsx.translatedFrom({ x: translation.sourceLang }) }}: </b>
-						<Mfm :text="translation.text" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
+						<Mfm :text="translation.text" :lang="nativeLang" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
 					</div>
 				</div>
 				<MkButton v-if="!allowAnim && animated" :class="$style.playMFMButton" :small="true" @click="animatedMFM()" @click.stop><i class="ph-play ph-bold ph-lg "></i> {{ i18n.ts._animatedMFM.play }}</MkButton>
@@ -266,6 +267,7 @@ import MkPagination, { type Paging } from '@/components/MkPagination.vue';
 import MkReactionIcon from '@/components/MkReactionIcon.vue';
 import MkButton from '@/components/MkButton.vue';
 import { boostMenuItems, type Visibility } from '@/scripts/boost-quote.js';
+import { miLocalStorage } from '@/local-storage.js';
 
 const props = defineProps<{
 	note: Misskey.entities.Note;
@@ -330,6 +332,7 @@ const replies = ref<Misskey.entities.Note[]>([]);
 const quotes = ref<Misskey.entities.Note[]>([]);
 const canRenote = computed(() => ['public', 'home'].includes(appearNote.value.visibility) || (appearNote.value.visibility === 'followers' && appearNote.value.userId === $i?.id));
 const defaultLike = computed(() => defaultStore.state.like ? defaultStore.state.like : null);
+const nativeLang = ref(miLocalStorage.getItem('lang') ?? window.navigator.language);
 
 watch(() => props.expandAllCws, (expandAllCws) => {
 	if (expandAllCws !== showContent.value) showContent.value = expandAllCws;
@@ -447,7 +450,7 @@ function boostVisibility() {
 	}
 }
 
-function renote(visibility: Visibility, localOnly: boolean = false) {
+function renote(visibility: Visibility, localOnly = false) {
 	pleaseLogin();
 	showMovedDialog();
 

packages/frontend/src/components/SkNoteSub.vue

@@ -20,7 +20,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<SkNoteHeader :class="$style.header" :note="note" :classic="true" :mini="true"/>
 			<div :class="$style.content">
 				<p v-if="note.cw != null" :class="$style.cw">
-					<Mfm v-if="note.cw != ''" style="margin-right: 8px;" :text="note.cw" :author="note.user" :nyaize="'respect'"/>
+					<Mfm v-if="note.cw != ''" style="margin-right: 8px;" :text="note.cw" :lang="note.lang" :author="note.user" :nyaize="'respect'"/>
 					<MkCwButton v-model="showContent" :text="note.text" :files="note.files" :poll="note.poll"/>
 				</p>
 				<div v-show="note.cw == null || showContent">
@@ -295,7 +295,7 @@ function boostVisibility() {
 	}
 }
 
-function renote(visibility: Visibility, localOnly: boolean = false) {
+function renote(visibility: Visibility, localOnly = false) {
 	pleaseLogin();
 	showMovedDialog();
 

packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts

@@ -44,6 +44,7 @@ type MfmProps = {
 	enableEmojiMenu?: boolean;
 	enableEmojiMenuReaction?: boolean;
 	isAnim?: boolean;
+	lang?: Misskey.entities.Note['lang'];
 };
 
 type MfmEvents = {
@@ -475,5 +476,6 @@ export default function (props: MfmProps, { emit }: { emit: SetupContext<MfmEven
 	return h('span', {
 		// https://codeday.me/jp/qa/20190424/690106.html
 		style: props.nowrap ? 'white-space: pre; word-wrap: normal; overflow: hidden; text-overflow: ellipsis;' : 'white-space: pre-wrap;',
+		lang: props.lang ?? undefined,
 	}, genEl(rootAst, props.rootScale ?? 1));
 }

packages/frontend/src/scripts/langmap.ts

@@ -35,6 +35,9 @@ export const langmap = {
 	'ar-SA': {
 		nativeName: 'العربية (السعودية)',
 	},
+	'ay': {
+		nativeName: 'Aymar aru',
+	},
 	'ay-BO': {
 		nativeName: 'Aymar aru',
 	},
@@ -44,6 +47,9 @@ export const langmap = {
 	'az-AZ': {
 		nativeName: 'Azərbaycan dili',
 	},
+	'be': {
+		nativeName: 'Беларуская',
+	},
 	'be-BY': {
 		nativeName: 'Беларуская',
 	},
@@ -65,6 +71,9 @@ export const langmap = {
 	'br': {
 		nativeName: 'Brezhoneg',
 	},
+	'bs': {
+		nativeName: 'Bosanski',
+	},
 	'bs-BA': {
 		nativeName: 'Bosanski',
 	},
@@ -77,7 +86,7 @@ export const langmap = {
 	'cak': {
 		nativeName: 'Maya Kaqchikel',
 	},
-	'ck-US': {
+	'chr': {
 		nativeName: 'ᏣᎳᎩ (tsalagi)',
 	},
 	'cs': {
@@ -152,9 +161,6 @@ export const langmap = {
 	'en-ZA': {
 		nativeName: 'English (South Africa)',
 	},
-	'en@pirate': {
-		nativeName: 'English (Pirate)',
-	},
 	'eo': {
 		nativeName: 'Esperanto',
 	},
@@ -248,6 +254,9 @@ export const langmap = {
 	'fr-CH': {
 		nativeName: 'Français (Suisse)',
 	},
+	'fy': {
+		nativeName: 'Frysk',
+	},
 	'fy-NL': {
 		nativeName: 'Frysk',
 	},
@@ -266,16 +275,22 @@ export const langmap = {
 	'gl-ES': {
 		nativeName: 'Galego',
 	},
+	'gn': {
+		nativeName: 'Avañe\'ẽ',
+	},
 	'gn-PY': {
 		nativeName: 'Avañe\'ẽ',
 	},
+	'gu': {
+		nativeName: 'ગુજરાતી',
+	},
 	'gu-IN': {
 		nativeName: 'ગુજરાતી',
 	},
 	'gv': {
 		nativeName: 'Gaelg',
 	},
-	'gx-GR': {
+	'grc': {
 		nativeName: 'Ἑλληνική ἀρχαία',
 	},
 	'he': {
@@ -338,12 +353,21 @@ export const langmap = {
 	'ja-JP': {
 		nativeName: '日本語 (日本)',
 	},
+	'jv': {
+		nativeName: 'Basa Jawa',
+	},
 	'jv-ID': {
 		nativeName: 'Basa Jawa',
 	},
+	'ka': {
+		nativeName: 'ქართული',
+	},
 	'ka-GE': {
 		nativeName: 'ქართული',
 	},
+	'kk': {
+		nativeName: 'Қазақша',
+	},
 	'kk-KZ': {
 		nativeName: 'Қазақша',
 	},
@@ -371,6 +395,9 @@ export const langmap = {
 	'ko-KR': {
 		nativeName: '한국어 (한국)',
 	},
+	'ku': {
+		nativeName: 'Kurdî',
+	},
 	'ku-TR': {
 		nativeName: 'Kurdî',
 	},
@@ -386,6 +413,9 @@ export const langmap = {
 	'lb': {
 		nativeName: 'Lëtzebuergesch',
 	},
+	'li': {
+		nativeName: 'Lèmbörgs',
+	},
 	'li-NL': {
 		nativeName: 'Lèmbörgs',
 	},
@@ -404,6 +434,9 @@ export const langmap = {
 	'mai': {
 		nativeName: 'मैथिली, মৈথিলী',
 	},
+	'mg': {
+		nativeName: 'Malagasy',
+	},
 	'mg-MG': {
 		nativeName: 'Malagasy',
 	},
@@ -419,6 +452,9 @@ export const langmap = {
 	'ml-IN': {
 		nativeName: 'മലയാളം',
 	},
+	'mn': {
+		nativeName: 'Монгол',
+	},
 	'mn-MN': {
 		nativeName: 'Монгол',
 	},
@@ -443,6 +479,9 @@ export const langmap = {
 	'my': {
 		nativeName: 'ဗမာစကာ',
 	},
+	'nan': {
+		nativeName: '閩南語',
+	},
 	'no': {
 		nativeName: 'Norsk',
 	},
@@ -467,12 +506,18 @@ export const langmap = {
 	'nl-NL': {
 		nativeName: 'Nederlands (Nederland)',
 	},
+	'nn': {
+		nativeName: 'Norsk (nynorsk)',
+	},
 	'nn-NO': {
 		nativeName: 'Norsk (nynorsk)',
 	},
 	'oc': {
 		nativeName: 'Occitan',
 	},
+	'or': {
+		nativeName: 'ଓଡ଼ିଆ',
+	},
 	'or-IN': {
 		nativeName: 'ଓଡ଼ିଆ',
 	},
@@ -488,6 +533,9 @@ export const langmap = {
 	'pl-PL': {
 		nativeName: 'Polski',
 	},
+	'ps': {
+		nativeName: 'پښتو',
+	},
 	'ps-AF': {
 		nativeName: 'پښتو',
 	},
@@ -500,9 +548,15 @@ export const langmap = {
 	'pt-PT': {
 		nativeName: 'Português (Portugal)',
 	},
+	'qu': {
+		nativeName: 'Qhichwa',
+	},
 	'qu-PE': {
 		nativeName: 'Qhichwa',
 	},
+	'rm': {
+		nativeName: 'Rumantsch',
+	},
 	'rm-CH': {
 		nativeName: 'Rumantsch',
 	},
@@ -518,15 +572,24 @@ export const langmap = {
 	'ru-RU': {
 		nativeName: 'Русский',
 	},
+	'sa': {
+		nativeName: 'संस्कृतम्',
+	},
 	'sa-IN': {
 		nativeName: 'संस्कृतम्',
 	},
+	'se': {
+		nativeName: 'Davvisámegiella',
+	},
 	'se-NO': {
 		nativeName: 'Davvisámegiella',
 	},
 	'sh': {
 		nativeName: 'српскохрватски',
 	},
+	'si': {
+		nativeName: 'සිංහල',
+	},
 	'si-LK': {
 		nativeName: 'සිංහල',
 	},
@@ -542,6 +605,9 @@ export const langmap = {
 	'sl-SI': {
 		nativeName: 'Slovenščina',
 	},
+	'so': {
+		nativeName: 'Soomaaliga',
+	},
 	'so-SO': {
 		nativeName: 'Soomaaliga',
 	},
@@ -602,12 +668,18 @@ export const langmap = {
 	'tlh': {
 		nativeName: 'tlhIngan-Hol',
 	},
+	'tok': {
+		nativeName: 'Toki Pona',
+	},
 	'tr': {
 		nativeName: 'Türkçe',
 	},
 	'tr-TR': {
 		nativeName: 'Türkçe',
 	},
+	'tt': {
+		nativeName: 'татарча',
+	},
 	'tt-RU': {
 		nativeName: 'татарча',
 	},
@@ -635,6 +707,9 @@ export const langmap = {
 	'vi-VN': {
 		nativeName: 'Tiếng Việt',
 	},
+	'xh': {
+		nativeName: 'isiXhosa',
+	},
 	'xh-ZA': {
 		nativeName: 'isiXhosa',
 	},
@@ -644,6 +719,9 @@ export const langmap = {
 	'yi-DE': {
 		nativeName: 'ייִדיש (German)',
 	},
+	'yue': {
+		nativeName: '粵語',
+	},
 	'zh': {
 		nativeName: '中文',
 	},
@@ -665,7 +743,16 @@ export const langmap = {
 	'zh-TW': {
 		nativeName: '中文（台灣）',
 	},
+	'zu': {
+		nativeName: 'isiZulu',
+	},
 	'zu-ZA': {
 		nativeName: 'isiZulu',
 	},
 };
+
+export const langs: string[] = [
+	...(Object.keys(langmap).filter(tag => tag.indexOf('-') < 0)),
+	'zh-Hans',
+	'zh-Hant',
+];

packages/frontend/src/store.ts

@@ -529,6 +529,10 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: { type: 'syuilo/bubble2', volume: 1 } as SoundStore,
 	},
+	recentlyUsedPostLanguages: {
+		where: 'account',
+		default: [] as string[],
+	},
 }));
 
 // TODO: 他のタブと永続化されたstateを同期

packages/misskey-js/etc/misskey-js.api.md

@@ -2278,6 +2278,9 @@ type IWebhooksShowResponse = operations['i/webhooks/show']['responses']['200']['
 // @public (undocumented)
 type IWebhooksUpdateRequest = operations['i/webhooks/update']['requestBody']['content']['application/json'];
 
+// @public (undocumented)
+export const languages: readonly ["ach", "ady", "af", "ak", "ar", "az", "bg", "bn", "br", "ca", "cak", "cs", "cy", "da", "de", "dsb", "el", "en", "eo", "es", "et", "eu", "fa", "ff", "fi", "fo", "fr", "ga", "gd", "gl", "gv", "he", "hi", "hr", "hsb", "ht", "hu", "hy", "id", "is", "it", "ja", "km", "kl", "kab", "kn", "ko", "kw", "la", "lb", "lt", "lv", "mai", "mk", "ml", "mr", "ms", "mt", "my", "no", "nb", "ne", "nl", "oc", "pa", "pl", "pt", "ro", "ru", "sh", "sk", "sl", "sq", "sr", "su", "sv", "sw", "ta", "te", "tg", "th", "fil", "tlh", "tr", "uk", "ur", "uz", "vi", "yi", "zh"];
+
 // @public (undocumented)
 type MeDetailed = components['schemas']['MeDetailed'];
 

packages/misskey-js/src/autogen/types.ts

@@ -4061,6 +4061,8 @@ export type components = {
       /** Format: date-time */
       deletedAt?: string | null;
       text: string | null;
+      /** @enum {string|null} */
+      lang: 'ach' | 'ady' | 'af' | 'ak' | 'ar' | 'ay' | 'az' | 'be' | 'bg' | 'bn' | 'br' | 'bs' | 'ca' | 'cak' | 'chr' | 'cs' | 'cy' | 'da' | 'de' | 'dsb' | 'el' | 'en' | 'eo' | 'es' | 'et' | 'eu' | 'fa' | 'ff' | 'fi' | 'fo' | 'fr' | 'fy' | 'ga' | 'gd' | 'gl' | 'gn' | 'gu' | 'gv' | 'grc' | 'he' | 'hi' | 'hr' | 'hsb' | 'ht' | 'hu' | 'hy' | 'id' | 'is' | 'it' | 'ja' | 'jv' | 'ka' | 'kk' | 'km' | 'kl' | 'kab' | 'kn' | 'ko' | 'ku' | 'kw' | 'la' | 'lb' | 'li' | 'lt' | 'lv' | 'mai' | 'mg' | 'mk' | 'ml' | 'mn' | 'mr' | 'ms' | 'mt' | 'my' | 'nan' | 'no' | 'nb' | 'ne' | 'nl' | 'nn' | 'oc' | 'or' | 'pa' | 'pl' | 'ps' | 'pt' | 'qu' | 'rm' | 'ro' | 'ru' | 'sa' | 'se' | 'sh' | 'si' | 'sk' | 'sl' | 'so' | 'sq' | 'sr' | 'su' | 'sv' | 'sw' | 'ta' | 'te' | 'tg' | 'th' | 'fil' | 'tlh' | 'tok' | 'tr' | 'tt' | 'uk' | 'ur' | 'uz' | 'vi' | 'xh' | 'yi' | 'yue' | 'zh' | 'zu' | 'zh-Hans' | 'zh-Hant';
       cw?: string | null;
       /** Format: id */
       userId: string;
@@ -19347,7 +19349,7 @@ export type operations = {
           birthday?: string | null;
           listenbrainz?: string | null;
           /** @enum {string|null} */
-          lang?: null | 'ach' | 'ady' | 'af' | 'af-NA' | 'af-ZA' | 'ak' | 'ar' | 'ar-AR' | 'ar-MA' | 'ar-SA' | 'ay-BO' | 'az' | 'az-AZ' | 'be-BY' | 'bg' | 'bg-BG' | 'bn' | 'bn-IN' | 'bn-BD' | 'br' | 'bs-BA' | 'ca' | 'ca-ES' | 'cak' | 'ck-US' | 'cs' | 'cs-CZ' | 'cy' | 'cy-GB' | 'da' | 'da-DK' | 'de' | 'de-AT' | 'de-DE' | 'de-CH' | 'dsb' | 'el' | 'el-GR' | 'en' | 'en-GB' | 'en-AU' | 'en-CA' | 'en-IE' | 'en-IN' | 'en-PI' | 'en-SG' | 'en-UD' | 'en-US' | 'en-ZA' | 'en@pirate' | 'eo' | 'eo-EO' | 'es' | 'es-AR' | 'es-419' | 'es-CL' | 'es-CO' | 'es-EC' | 'es-ES' | 'es-LA' | 'es-NI' | 'es-MX' | 'es-US' | 'es-VE' | 'et' | 'et-EE' | 'eu' | 'eu-ES' | 'fa' | 'fa-IR' | 'fb-LT' | 'ff' | 'fi' | 'fi-FI' | 'fo' | 'fo-FO' | 'fr' | 'fr-CA' | 'fr-FR' | 'fr-BE' | 'fr-CH' | 'fy-NL' | 'ga' | 'ga-IE' | 'gd' | 'gl' | 'gl-ES' | 'gn-PY' | 'gu-IN' | 'gv' | 'gx-GR' | 'he' | 'he-IL' | 'hi' | 'hi-IN' | 'hr' | 'hr-HR' | 'hsb' | 'ht' | 'hu' | 'hu-HU' | 'hy' | 'hy-AM' | 'id' | 'id-ID' | 'is' | 'is-IS' | 'it' | 'it-IT' | 'ja' | 'ja-JP' | 'jv-ID' | 'ka-GE' | 'kk-KZ' | 'km' | 'kl' | 'km-KH' | 'kab' | 'kn' | 'kn-IN' | 'ko' | 'ko-KR' | 'ku-TR' | 'kw' | 'la' | 'la-VA' | 'lb' | 'li-NL' | 'lt' | 'lt-LT' | 'lv' | 'lv-LV' | 'mai' | 'mg-MG' | 'mk' | 'mk-MK' | 'ml' | 'ml-IN' | 'mn-MN' | 'mr' | 'mr-IN' | 'ms' | 'ms-MY' | 'mt' | 'mt-MT' | 'my' | 'no' | 'nb' | 'nb-NO' | 'ne' | 'ne-NP' | 'nl' | 'nl-BE' | 'nl-NL' | 'nn-NO' | 'oc' | 'or-IN' | 'pa' | 'pa-IN' | 'pl' | 'pl-PL' | 'ps-AF' | 'pt' | 'pt-BR' | 'pt-PT' | 'qu-PE' | 'rm-CH' | 'ro' | 'ro-RO' | 'ru' | 'ru-RU' | 'sa-IN' | 'se-NO' | 'sh' | 'si-LK' | 'sk' | 'sk-SK' | 'sl' | 'sl-SI' | 'so-SO' | 'sq' | 'sq-AL' | 'sr' | 'sr-RS' | 'su' | 'sv' | 'sv-SE' | 'sw' | 'sw-KE' | 'ta' | 'ta-IN' | 'te' | 'te-IN' | 'tg' | 'tg-TJ' | 'th' | 'th-TH' | 'fil' | 'tlh' | 'tr' | 'tr-TR' | 'tt-RU' | 'uk' | 'uk-UA' | 'ur' | 'ur-PK' | 'uz' | 'uz-UZ' | 'vi' | 'vi-VN' | 'xh-ZA' | 'yi' | 'yi-DE' | 'zh' | 'zh-Hans' | 'zh-Hant' | 'zh-CN' | 'zh-HK' | 'zh-SG' | 'zh-TW' | 'zu-ZA';
+          lang?: null | 'ach' | 'ady' | 'af' | 'ak' | 'ar' | 'ay' | 'az' | 'be' | 'bg' | 'bn' | 'br' | 'bs' | 'ca' | 'cak' | 'chr' | 'cs' | 'cy' | 'da' | 'de' | 'dsb' | 'el' | 'en' | 'eo' | 'es' | 'et' | 'eu' | 'fa' | 'ff' | 'fi' | 'fo' | 'fr' | 'fy' | 'ga' | 'gd' | 'gl' | 'gn' | 'gu' | 'gv' | 'grc' | 'he' | 'hi' | 'hr' | 'hsb' | 'ht' | 'hu' | 'hy' | 'id' | 'is' | 'it' | 'ja' | 'jv' | 'ka' | 'kk' | 'km' | 'kl' | 'kab' | 'kn' | 'ko' | 'ku' | 'kw' | 'la' | 'lb' | 'li' | 'lt' | 'lv' | 'mai' | 'mg' | 'mk' | 'ml' | 'mn' | 'mr' | 'ms' | 'mt' | 'my' | 'nan' | 'no' | 'nb' | 'ne' | 'nl' | 'nn' | 'oc' | 'or' | 'pa' | 'pl' | 'ps' | 'pt' | 'qu' | 'rm' | 'ro' | 'ru' | 'sa' | 'se' | 'sh' | 'si' | 'sk' | 'sl' | 'so' | 'sq' | 'sr' | 'su' | 'sv' | 'sw' | 'ta' | 'te' | 'tg' | 'th' | 'fil' | 'tlh' | 'tok' | 'tr' | 'tt' | 'uk' | 'ur' | 'uz' | 'vi' | 'xh' | 'yi' | 'yue' | 'zh' | 'zu' | 'zh-Hans' | 'zh-Hant';
           /** Format: misskey:id */
           avatarId?: string | null;
           avatarDecorations?: ({
@@ -21002,6 +21004,8 @@ export type operations = {
            */
           visibility?: 'public' | 'home' | 'followers' | 'specified';
           visibleUserIds?: string[];
+          /** @enum {string|null} */
+          lang?: 'ach' | 'ady' | 'af' | 'ak' | 'ar' | 'ay' | 'az' | 'be' | 'bg' | 'bn' | 'br' | 'bs' | 'ca' | 'cak' | 'chr' | 'cs' | 'cy' | 'da' | 'de' | 'dsb' | 'el' | 'en' | 'eo' | 'es' | 'et' | 'eu' | 'fa' | 'ff' | 'fi' | 'fo' | 'fr' | 'fy' | 'ga' | 'gd' | 'gl' | 'gn' | 'gu' | 'gv' | 'grc' | 'he' | 'hi' | 'hr' | 'hsb' | 'ht' | 'hu' | 'hy' | 'id' | 'is' | 'it' | 'ja' | 'jv' | 'ka' | 'kk' | 'km' | 'kl' | 'kab' | 'kn' | 'ko' | 'ku' | 'kw' | 'la' | 'lb' | 'li' | 'lt' | 'lv' | 'mai' | 'mg' | 'mk' | 'ml' | 'mn' | 'mr' | 'ms' | 'mt' | 'my' | 'nan' | 'no' | 'nb' | 'ne' | 'nl' | 'nn' | 'oc' | 'or' | 'pa' | 'pl' | 'ps' | 'pt' | 'qu' | 'rm' | 'ro' | 'ru' | 'sa' | 'se' | 'sh' | 'si' | 'sk' | 'sl' | 'so' | 'sq' | 'sr' | 'su' | 'sv' | 'sw' | 'ta' | 'te' | 'tg' | 'th' | 'fil' | 'tlh' | 'tok' | 'tr' | 'tt' | 'uk' | 'ur' | 'uz' | 'vi' | 'xh' | 'yi' | 'yue' | 'zh' | 'zu' | 'zh-Hans' | 'zh-Hant';
           cw?: string | null;
           /** @default false */
           localOnly?: boolean;
@@ -22759,6 +22763,8 @@ export type operations = {
            */
           visibility?: 'public' | 'home' | 'followers' | 'specified';
           visibleUserIds?: string[];
+          /** @enum {string|null} */
+          lang?: 'ach' | 'ady' | 'af' | 'ak' | 'ar' | 'ay' | 'az' | 'be' | 'bg' | 'bn' | 'br' | 'bs' | 'ca' | 'cak' | 'chr' | 'cs' | 'cy' | 'da' | 'de' | 'dsb' | 'el' | 'en' | 'eo' | 'es' | 'et' | 'eu' | 'fa' | 'ff' | 'fi' | 'fo' | 'fr' | 'fy' | 'ga' | 'gd' | 'gl' | 'gn' | 'gu' | 'gv' | 'grc' | 'he' | 'hi' | 'hr' | 'hsb' | 'ht' | 'hu' | 'hy' | 'id' | 'is' | 'it' | 'ja' | 'jv' | 'ka' | 'kk' | 'km' | 'kl' | 'kab' | 'kn' | 'ko' | 'ku' | 'kw' | 'la' | 'lb' | 'li' | 'lt' | 'lv' | 'mai' | 'mg' | 'mk' | 'ml' | 'mn' | 'mr' | 'ms' | 'mt' | 'my' | 'nan' | 'no' | 'nb' | 'ne' | 'nl' | 'nn' | 'oc' | 'or' | 'pa' | 'pl' | 'ps' | 'pt' | 'qu' | 'rm' | 'ro' | 'ru' | 'sa' | 'se' | 'sh' | 'si' | 'sk' | 'sl' | 'so' | 'sq' | 'sr' | 'su' | 'sv' | 'sw' | 'ta' | 'te' | 'tg' | 'th' | 'fil' | 'tlh' | 'tok' | 'tr' | 'tt' | 'uk' | 'ur' | 'uz' | 'vi' | 'xh' | 'yi' | 'yue' | 'zh' | 'zu' | 'zh-Hans' | 'zh-Hant';
           cw?: string | null;
           /** @default false */
           localOnly?: boolean;

packages/misskey-js/src/consts.ts

@@ -338,3 +338,96 @@ export type ModerationLogPayloads = {
 		fileId: string;
 	};
 };
+
+export const languages = [
+	'ach',
+	'ady',
+	'af',
+	'ak',
+	'ar',
+	'az',
+	'bg',
+	'bn',
+	'br',
+	'ca',
+	'cak',
+	'cs',
+	'cy',
+	'da',
+	'de',
+	'dsb',
+	'el',
+	'en',
+	'eo',
+	'es',
+	'et',
+	'eu',
+	'fa',
+	'ff',
+	'fi',
+	'fo',
+	'fr',
+	'ga',
+	'gd',
+	'gl',
+	'gv',
+	'he',
+	'hi',
+	'hr',
+	'hsb',
+	'ht',
+	'hu',
+	'hy',
+	'id',
+	'is',
+	'it',
+	'ja',
+	'km',
+	'kl',
+	'kab',
+	'kn',
+	'ko',
+	'kw',
+	'la',
+	'lb',
+	'lt',
+	'lv',
+	'mai',
+	'mk',
+	'ml',
+	'mr',
+	'ms',
+	'mt',
+	'my',
+	'no',
+	'nb',
+	'ne',
+	'nl',
+	'oc',
+	'pa',
+	'pl',
+	'pt',
+	'ro',
+	'ru',
+	'sh',
+	'sk',
+	'sl',
+	'sq',
+	'sr',
+	'su',
+	'sv',
+	'sw',
+	'ta',
+	'te',
+	'tg',
+	'th',
+	'fil',
+	'tlh',
+	'tr',
+	'uk',
+	'ur',
+	'uz',
+	'vi',
+	'yi',
+	'zh',
+] as const;

packages/misskey-js/src/index.ts

@@ -19,6 +19,7 @@ export const mutedNoteReasons = consts.mutedNoteReasons;
 export const followingVisibilities = consts.followingVisibilities;
 export const followersVisibilities = consts.followersVisibilities;
 export const moderationLogTypes = consts.moderationLogTypes;
+export const languages = consts.languages;
 
 // api extractor not supported yet
 //export * as api from './api.js';