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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import * as fs from 'node:fs';
import { Inject, Injectable } from '@nestjs/common';
import { IsNull } from 'typeorm';
import { format as dateFormat } from 'date-fns';
import mime from 'mime-types';
import archiver from 'archiver';
import { DI } from '@/di-symbols.js';
import type { EmojisRepository, UsersRepository } from '@/models/_.js';
import type { Config } from '@/config.js';
import type Logger from '@/logger.js';
import { DriveService } from '@/core/DriveService.js';
import { createTemp, createTempDir } from '@/misc/create-temp.js';
import { DownloadService } from '@/core/DownloadService.js';
import { NotificationService } from '@/core/NotificationService.js';
import { bindThis } from '@/decorators.js';
import { QueueLoggerService } from '../QueueLoggerService.js';
import type * as Bull from 'bullmq';
@Injectable()
export class ExportCustomEmojisProcessorService {
private logger: Logger;
constructor(
@Inject(DI.config)
private config: Config,
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.emojisRepository)
private emojisRepository: EmojisRepository,
private driveService: DriveService,
private downloadService: DownloadService,
private queueLoggerService: QueueLoggerService,
private notificationService: NotificationService,
) {
this.logger = this.queueLoggerService.logger.createSubLogger('export-custom-emojis');
}
@bindThis
public async process(job: Bull.Job): Promise<void> {
const user = await this.usersRepository.findOneBy({ id: job.data.user.id });
if (user == null) {
this.logger.debug(`Skip: user ${job.data.user.id} does not exist`);
return;
}
this.logger.info(`Exporting custom emojis of ${job.data.user.id} ...`);
const [path, cleanup] = await createTempDir();
this.logger.debug(`Temp dir is ${path}`);
const metaPath = path + '/meta.json';
fs.writeFileSync(metaPath, '', 'utf-8');
const metaStream = fs.createWriteStream(metaPath, { flags: 'a' });
const writeMeta = (text: string): Promise<void> => {
return new Promise<void>((res, rej) => {
metaStream.write(text, err => {
if (err) {
this.logger.error('Error exporting custom emojis:', err);
rej(err);
} else {
res();
}
});
});
};
await writeMeta(`{"metaVersion":2,"host":"${this.config.webHost}","exportedAt":"${new Date().toString()}","emojis":[`);
const customEmojis = await this.emojisRepository.find({
where: {
host: IsNull(),
},
order: {
id: 'ASC',
},
});
for (const emoji of customEmojis) {
if (!/^[\p{Letter}\p{Number}\p{Mark}_+-]+$/u.test(emoji.name)) {
this.logger.error(`invalid emoji name: ${emoji.name}`);
continue;
}
const ext = mime.extension(emoji.type ?? 'image/png');
const fileName = emoji.name + (ext ? '.' + ext : '');
const emojiPath = path + '/' + fileName;
fs.writeFileSync(emojiPath, '', 'binary');
let downloaded = false;
try {
await this.downloadService.downloadUrl(emoji.originalUrl, emojiPath);
downloaded = true;
} catch (e) { // TODO: 何度か再試行
this.logger.error('Error exporting custom emojis:', e as Error);
}
if (!downloaded) {
fs.unlinkSync(emojiPath);
}
const content = JSON.stringify({
fileName: fileName,
downloaded: downloaded,
emoji: emoji,
});
const isFirst = customEmojis.indexOf(emoji) === 0;
await writeMeta(isFirst ? content : ',\n' + content);
}
await writeMeta(']}');
metaStream.end();
// Create archive
await new Promise<void>(async (resolve) => {
const [archivePath, archiveCleanup] = await createTemp();
const archiveStream = fs.createWriteStream(archivePath);
const archive = archiver('zip', {
zlib: { level: 0 },
});
archiveStream.on('close', async () => {
this.logger.debug(`Exported to: ${archivePath}`);
const fileName = 'custom-emojis-' + dateFormat(new Date(), 'yyyy-MM-dd-HH-mm-ss') + '.zip';
const driveFile = await this.driveService.addFile({ user, path: archivePath, name: fileName, force: true });
this.logger.debug(`Exported to: ${driveFile.id}`);
this.notificationService.createNotification(user.id, 'exportCompleted', {
exportedEntity: 'customEmoji',
fileId: driveFile.id,
});
cleanup();
archiveCleanup();
resolve();
});
archive.pipe(archiveStream);
archive.directory(path, false);
archive.finalize();
});
}
}
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