115 lines
3.0 KiB
TypeScript
115 lines
3.0 KiB
TypeScript
import * as fs from 'node:fs';
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import archiver from 'archiver';
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import Bull from 'bull';
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import { format as dateFormat } from 'date-fns';
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import mime from 'mime-types';
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import { In, IsNull } from 'typeorm';
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import config from '@/config/index.js';
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import { createTemp, createTempDir } from '@/misc/create-temp.js';
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import { downloadUrl } from '@/misc/download-url.js';
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import { Users, Emojis } from '@/models/index.js';
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import { addFile } from '@/services/drive/add-file.js';
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import { queueLogger } from '@/queue/logger.js';
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const logger = queueLogger.createSubLogger('export-custom-emojis');
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export async function exportCustomEmojis(job: Bull.Job, done: () => void): Promise<void> {
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logger.info('Exporting custom emojis ...');
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const user = await Users.findOneBy({ id: job.data.user.id });
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if (user == null) {
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done();
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return;
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}
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const [path, cleanup] = await createTempDir();
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logger.info(`Temp dir is ${path}`);
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const metaPath = path + '/meta.json';
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fs.writeFileSync(metaPath, '', 'utf-8');
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const metaStream = fs.createWriteStream(metaPath, { flags: 'a' });
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const writeMeta = (text: string): Promise<void> => {
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return new Promise<void>((res, rej) => {
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metaStream.write(text, err => {
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if (err) {
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logger.error(err);
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rej(err);
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} else {
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res();
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}
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});
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});
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};
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await writeMeta(`{"metaVersion":2,"host":"${config.host}","exportedAt":"${new Date().toString()}","emojis":[`);
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const customEmojis = await Emojis.find({
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where: {
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host: IsNull(),
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...(job.data.ids ? { id: In(job.data.ids) } : {}),
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},
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order: {
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id: 'ASC',
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},
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});
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for (const emoji of customEmojis) {
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const ext = mime.extension(emoji.type);
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// there are some restrictions on file names, so to be safe the files are
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// named after their database id instead of the actual emoji name
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const fileName = emoji.id + (ext ? '.' + ext : '');
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const emojiPath = path + '/' + fileName;
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fs.writeFileSync(emojiPath, '', 'binary');
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let downloaded = false;
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try {
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await downloadUrl(emoji.originalUrl, emojiPath);
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downloaded = true;
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} catch (e) { // TODO: retry
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logger.error(e instanceof Error ? e : new Error(e as string));
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}
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if (!downloaded) {
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fs.unlinkSync(emojiPath);
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}
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const content = JSON.stringify({
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fileName,
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downloaded,
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emoji,
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});
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const isFirst = customEmojis.indexOf(emoji) === 0;
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await writeMeta(isFirst ? content : ',\n' + content);
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}
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await writeMeta(']}');
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metaStream.end();
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// Create archive
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const [archivePath, archiveCleanup] = await createTemp();
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const archiveStream = fs.createWriteStream(archivePath);
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const archive = archiver('zip', {
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zlib: { level: 0 },
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});
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archiveStream.on('close', async () => {
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logger.succ(`Exported to: ${archivePath}`);
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const fileName = 'custom-emojis-' + dateFormat(new Date(), 'yyyy-MM-dd-HH-mm-ss') + '.zip';
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const driveFile = await addFile({ user, path: archivePath, name: fileName, force: true });
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logger.succ(`Exported to: ${driveFile.id}`);
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cleanup();
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archiveCleanup();
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done();
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});
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archive.pipe(archiveStream);
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archive.directory(path, false);
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archive.finalize();
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}
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