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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { URLSearchParams } from 'node:url';
import { Injectable } from '@nestjs/common';
import { Endpoint } from '@/server/api/endpoint-base.js';
import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
import { MetaService } from '@/core/MetaService.js';
import { HttpRequestService } from '@/core/HttpRequestService.js';
import { GetterService } from '@/server/api/GetterService.js';
import { RoleService } from '@/core/RoleService.js';
import { ApiError } from '../../error.js';
export const meta = {
tags: ['notes'],
requireCredential: true,
kind: 'read:account',
res: {
type: 'object',
optional: true, nullable: false,
properties: {
sourceLang: { type: 'string' },
text: { type: 'string' },
},
},
errors: {
unavailable: {
message: 'Translate of notes unavailable.',
code: 'UNAVAILABLE',
id: '50a70314-2d8a-431b-b433-efa5cc56444c',
},
noSuchNote: {
message: 'No such note.',
code: 'NO_SUCH_NOTE',
id: 'bea9b03f-36e0-49c5-a4db-627a029f8971',
},
cannotTranslateInvisibleNote: {
message: 'Cannot translate invisible note.',
code: 'CANNOT_TRANSLATE_INVISIBLE_NOTE',
id: 'ea29f2ca-c368-43b3-aaf1-5ac3e74bbe5d',
},
},
} as const;
export const paramDef = {
type: 'object',
properties: {
noteId: { type: 'string', format: 'misskey:id' },
targetLang: { type: 'string' },
},
required: ['noteId', 'targetLang'],
} as const;
@Injectable()
export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
constructor(
private noteEntityService: NoteEntityService,
private getterService: GetterService,
private metaService: MetaService,
private httpRequestService: HttpRequestService,
private roleService: RoleService,
) {
super(meta, paramDef, async (ps, me) => {
const policies = await this.roleService.getUserPolicies(me.id);
if (!policies.canUseTranslator) {
throw new ApiError(meta.errors.unavailable);
}
const note = await this.getterService.getNote(ps.noteId).catch(err => {
if (err.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
throw err;
});
if (!(await this.noteEntityService.isVisibleForMe(note, me.id))) {
throw new ApiError(meta.errors.cannotTranslateInvisibleNote);
}
if (note.text == null) {
return;
}
const instance = await this.metaService.fetch();
if (instance.deeplAuthKey == null && !instance.deeplFreeMode) {
throw new ApiError(meta.errors.unavailable);
}
if (instance.deeplFreeMode && !instance.deeplFreeInstance) {
throw new ApiError(meta.errors.unavailable);
}
let targetLang = ps.targetLang;
if (targetLang.includes('-')) targetLang = targetLang.split('-')[0];
const params = new URLSearchParams();
if (instance.deeplAuthKey) params.append('auth_key', instance.deeplAuthKey);
params.append('text', note.text);
params.append('target_lang', targetLang);
const endpoint = instance.deeplFreeMode && instance.deeplFreeInstance ? instance.deeplFreeInstance : instance.deeplIsPro ? 'https://api.deepl.com/v2/translate' : 'https://api-free.deepl.com/v2/translate';
const res = await this.httpRequestService.send(endpoint, {
method: 'POST',
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
Accept: 'application/json, */*',
},
body: params.toString(),
});
if (instance.deeplAuthKey) {
const json = (await res.json()) as {
translations: {
detected_source_language: string;
text: string;
}[];
};
return {
sourceLang: json.translations[0].detected_source_language,
text: json.translations[0].text,
};
} else {
const json = (await res.json()) as {
code: number,
message: string,
data: string,
source_lang: string,
target_lang: string,
alternatives: string[],
};
const languageNames = new Intl.DisplayNames(['en'], {
type: 'language',
});
return {
sourceLang: languageNames.of(json.source_lang),
text: json.data,
};
}
});
}
}
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