539 lines
14 KiB
TypeScript
539 lines
14 KiB
TypeScript
import { Buffer } from 'buffer';
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import * as fs from 'fs';
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import * as mongodb from 'mongodb';
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import * as crypto from 'crypto';
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import * as Minio from 'minio';
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import * as uuid from 'uuid';
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import * as sharp from 'sharp';
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import * as fileType from 'file-type';
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import * as isSvg from 'is-svg';
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import DriveFile, { IMetadata, getDriveFileBucket, IDriveFile } from '../../models/drive-file';
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import DriveFolder from '../../models/drive-folder';
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import { pack } from '../../models/drive-file';
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import { publishMainStream, publishDriveStream } from '../stream';
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import { isLocalUser, IUser, IRemoteUser, isRemoteUser } from '../../models/user';
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import delFile from './delete-file';
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import config from '../../config';
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import { getDriveFileWebpublicBucket } from '../../models/drive-file-webpublic';
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import { getDriveFileThumbnailBucket } from '../../models/drive-file-thumbnail';
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import driveChart from '../../services/chart/drive';
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import perUserDriveChart from '../../services/chart/per-user-drive';
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import instanceChart from '../../services/chart/instance';
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import fetchMeta from '../../misc/fetch-meta';
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import { GenerateVideoThumbnail } from './generate-video-thumbnail';
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import { driveLogger } from './logger';
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import { IImage, ConvertToJpeg, ConvertToWebp, ConvertToPng } from './image-processor';
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import Instance from '../../models/instance';
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const logger = driveLogger.createSubLogger('register', 'yellow');
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/***
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* Save file
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* @param path Path for original
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* @param name Name for original
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* @param type Content-Type for original
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* @param hash Hash for original
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* @param size Size for original
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* @param metadata
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*/
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async function save(path: string, name: string, type: string, hash: string, size: number, metadata: IMetadata): Promise<IDriveFile> {
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// thunbnail, webpublic を必要なら生成
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const alts = await generateAlts(path, type, !metadata.uri);
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if (config.drive && config.drive.storage == 'minio') {
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//#region ObjectStorage params
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let [ext] = (name.match(/\.([a-zA-Z0-9_-]+)$/) || ['']);
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if (ext === '') {
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if (type === 'image/jpeg') ext = '.jpg';
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if (type === 'image/png') ext = '.png';
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if (type === 'image/webp') ext = '.webp';
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}
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const baseUrl = config.drive.baseUrl
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|| `${ config.drive.config.useSSL ? 'https' : 'http' }://${ config.drive.config.endPoint }${ config.drive.config.port ? `:${config.drive.config.port}` : '' }/${ config.drive.bucket }`;
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// for original
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const key = `${config.drive.prefix}/${uuid.v4()}${ext}`;
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const url = `${ baseUrl }/${ key }`;
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// for alts
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let webpublicKey = null as string;
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let webpublicUrl = null as string;
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let thumbnailKey = null as string;
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let thumbnailUrl = null as string;
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//#endregion
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//#region Uploads
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logger.info(`uploading original: ${key}`);
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const uploads = [
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upload(key, fs.createReadStream(path), type)
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];
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if (alts.webpublic) {
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webpublicKey = `${config.drive.prefix}/${uuid.v4()}.${alts.webpublic.ext}`;
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webpublicUrl = `${ baseUrl }/${ webpublicKey }`;
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logger.info(`uploading webpublic: ${webpublicKey}`);
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uploads.push(upload(webpublicKey, alts.webpublic.data, alts.webpublic.type));
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}
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if (alts.thumbnail) {
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thumbnailKey = `${config.drive.prefix}/${uuid.v4()}.${alts.thumbnail.ext}`;
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thumbnailUrl = `${ baseUrl }/${ thumbnailKey }`;
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logger.info(`uploading thumbnail: ${thumbnailKey}`);
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uploads.push(upload(thumbnailKey, alts.thumbnail.data, alts.thumbnail.type));
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}
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await Promise.all(uploads);
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//#endregion
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//#region DB
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Object.assign(metadata, {
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withoutChunks: true,
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storage: 'minio',
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storageProps: {
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key,
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webpublicKey,
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thumbnailKey,
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},
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url,
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webpublicUrl,
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thumbnailUrl,
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} as IMetadata);
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const file = await DriveFile.insert({
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length: size,
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uploadDate: new Date(),
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md5: hash,
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filename: name,
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metadata: metadata,
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contentType: type
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});
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//#endregion
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return file;
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} else { // use MongoDB GridFS
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// #region store original
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const originalDst = await getDriveFileBucket();
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// web用(Exif削除済み)がある場合はオリジナルにアクセス制限
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if (alts.webpublic) metadata.accessKey = uuid.v4();
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const originalFile = await storeOriginal(originalDst, name, path, type, metadata);
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logger.info(`original stored to ${originalFile._id}`);
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// #endregion store original
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// #region store webpublic
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if (alts.webpublic) {
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const webDst = await getDriveFileWebpublicBucket();
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const webFile = await storeAlts(webDst, name, alts.webpublic.data, alts.webpublic.type, originalFile._id);
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logger.info(`web stored ${webFile._id}`);
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}
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// #endregion store webpublic
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if (alts.thumbnail) {
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const thumDst = await getDriveFileThumbnailBucket();
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const thumFile = await storeAlts(thumDst, name, alts.thumbnail.data, alts.thumbnail.type, originalFile._id);
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logger.info(`web stored ${thumFile._id}`);
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}
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return originalFile;
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}
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}
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/**
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* Generate webpublic, thumbnail, etc
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* @param path Path for original
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* @param type Content-Type for original
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* @param generateWeb Generate webpublic or not
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*/
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export async function generateAlts(path: string, type: string, generateWeb: boolean) {
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// #region webpublic
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let webpublic: IImage;
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if (generateWeb) {
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logger.info(`creating web image`);
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if (['image/jpeg'].includes(type)) {
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webpublic = await ConvertToJpeg(path, 2048, 2048);
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} else if (['image/webp'].includes(type)) {
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webpublic = await ConvertToWebp(path, 2048, 2048);
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} else if (['image/png'].includes(type)) {
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webpublic = await ConvertToPng(path, 2048, 2048);
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} else {
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logger.info(`web image not created (not an image)`);
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}
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} else {
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logger.info(`web image not created (from remote)`);
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}
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// #endregion webpublic
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// #region thumbnail
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let thumbnail: IImage;
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if (['image/jpeg', 'image/webp'].includes(type)) {
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thumbnail = await ConvertToJpeg(path, 498, 280);
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} else if (['image/png'].includes(type)) {
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thumbnail = await ConvertToPng(path, 498, 280);
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} else if (type.startsWith('video/')) {
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try {
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thumbnail = await GenerateVideoThumbnail(path);
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} catch (e) {
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logger.error(`GenerateVideoThumbnail failed: ${e}`);
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}
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}
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// #endregion thumbnail
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return {
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webpublic,
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thumbnail,
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};
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}
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/**
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* Upload to ObjectStorage
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*/
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async function upload(key: string, stream: fs.ReadStream | Buffer, type: string) {
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const minio = new Minio.Client(config.drive.config);
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await minio.putObject(config.drive.bucket, key, stream, null, {
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'Content-Type': type,
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'Cache-Control': 'max-age=31536000, immutable'
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});
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}
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/**
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* GridFSBucketにオリジナルを格納する
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*/
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export async function storeOriginal(bucket: mongodb.GridFSBucket, name: string, path: string, contentType: string, metadata: any) {
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return new Promise<IDriveFile>((resolve, reject) => {
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const writeStream = bucket.openUploadStream(name, {
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contentType,
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metadata
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});
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writeStream.once('finish', resolve);
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writeStream.on('error', reject);
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fs.createReadStream(path).pipe(writeStream);
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});
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}
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/**
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* GridFSBucketにオリジナル以外を格納する
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*/
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export async function storeAlts(bucket: mongodb.GridFSBucket, name: string, data: Buffer, contentType: string, originalId: mongodb.ObjectID) {
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return new Promise<IDriveFile>((resolve, reject) => {
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const writeStream = bucket.openUploadStream(name, {
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contentType,
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metadata: {
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originalId
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}
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});
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writeStream.once('finish', resolve);
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writeStream.on('error', reject);
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writeStream.end(data);
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});
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}
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async function deleteOldFile(user: IRemoteUser) {
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const oldFile = await DriveFile.findOne({
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_id: {
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$nin: [user.avatarId, user.bannerId]
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},
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'metadata.userId': user._id
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}, {
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sort: {
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_id: 1
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}
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});
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if (oldFile) {
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delFile(oldFile, true);
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}
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}
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/**
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* Add file to drive
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*
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* @param user User who wish to add file
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* @param path File path
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* @param name Name
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* @param comment Comment
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* @param folderId Folder ID
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* @param force If set to true, forcibly upload the file even if there is a file with the same hash.
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* @param isLink Do not save file to local
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* @param url URL of source (URLからアップロードされた場合(ローカル/リモート)の元URL)
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* @param uri URL of source (リモートインスタンスのURLからアップロードされた場合の元URL)
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* @param sensitive Mark file as sensitive
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* @return Created drive file
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*/
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export default async function(
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user: IUser,
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path: string,
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name: string = null,
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comment: string = null,
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folderId: mongodb.ObjectID = null,
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force: boolean = false,
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isLink: boolean = false,
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url: string = null,
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uri: string = null,
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sensitive: boolean = null
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): Promise<IDriveFile> {
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// Calc md5 hash
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const calcHash = new Promise<string>((res, rej) => {
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const readable = fs.createReadStream(path);
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const hash = crypto.createHash('md5');
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const chunks: Buffer[] = [];
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readable
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.on('error', rej)
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.pipe(hash)
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.on('error', rej)
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.on('data', chunk => chunks.push(chunk))
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.on('end', () => {
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const buffer = Buffer.concat(chunks);
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res(buffer.toString('hex'));
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});
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});
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// Detect content type
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const detectMime = new Promise<[string, string]>((res, rej) => {
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const readable = fs.createReadStream(path);
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readable
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.on('error', rej)
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.once('data', (buffer: Buffer) => {
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readable.destroy();
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const type = fileType(buffer);
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if (type) {
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res([type.mime, type.ext]);
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} else if (isSvg(buffer)) {
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res(['image/svg+xml', 'svg']);
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} else {
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// 種類が同定できなかったら application/octet-stream にする
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res(['application/octet-stream', null]);
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}
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})
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.on('end', () => {
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// maybe 0 bytes
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res(['application/octet-stream', null]);
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});
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});
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// Get file size
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const getFileSize = new Promise<number>((res, rej) => {
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fs.stat(path, (err, stats) => {
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if (err) return rej(err);
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res(stats.size);
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});
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});
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const [hash, [mime, ext], size] = await Promise.all([calcHash, detectMime, getFileSize]);
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logger.info(`hash: ${hash}, mime: ${mime}, ext: ${ext}, size: ${size}`);
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// detect name
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const detectedName = name || (ext ? `untitled.${ext}` : 'untitled');
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if (!force) {
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// Check if there is a file with the same hash
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const much = await DriveFile.findOne({
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md5: hash,
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'metadata.userId': user._id,
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'metadata.deletedAt': { $exists: false }
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});
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if (much) {
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logger.info(`file with same hash is found: ${much._id}`);
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return much;
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}
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}
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//#region Check drive usage
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if (!isLink) {
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const usage = await DriveFile
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.aggregate([{
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$match: {
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'metadata.userId': user._id,
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'metadata.deletedAt': { $exists: false }
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}
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}, {
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$project: {
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length: true
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}
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}, {
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$group: {
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_id: null,
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usage: { $sum: '$length' }
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}
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}])
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.then((aggregates: any[]) => {
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if (aggregates.length > 0) {
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return aggregates[0].usage;
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}
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return 0;
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});
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logger.debug(`drive usage is ${usage}`);
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const instance = await fetchMeta();
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const driveCapacity = 1024 * 1024 * (isLocalUser(user) ? instance.localDriveCapacityMb : instance.remoteDriveCapacityMb);
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// If usage limit exceeded
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if (usage + size > driveCapacity) {
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if (isLocalUser(user)) {
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throw 'no-free-space';
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} else {
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// (アバターまたはバナーを含まず)最も古いファイルを削除する
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deleteOldFile(user);
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}
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}
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}
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//#endregion
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const fetchFolder = async () => {
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if (!folderId) {
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return null;
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}
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const driveFolder = await DriveFolder.findOne({
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_id: folderId,
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userId: user._id
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});
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if (driveFolder == null) throw 'folder-not-found';
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return driveFolder;
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};
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const properties: {[key: string]: any} = {};
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let propPromises: Promise<void>[] = [];
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const isImage = ['image/jpeg', 'image/gif', 'image/png', 'image/webp'].includes(mime);
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if (isImage) {
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const img = sharp(path);
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// Calc width and height
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const calcWh = async () => {
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logger.debug('calculating image width and height...');
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// Calculate width and height
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const meta = await img.metadata();
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logger.debug(`image width and height is calculated: ${meta.width}, ${meta.height}`);
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properties['width'] = meta.width;
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properties['height'] = meta.height;
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};
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// Calc average color
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const calcAvg = async () => {
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logger.debug('calculating average color...');
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try {
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const info = await (img as any).stats();
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const r = Math.round(info.channels[0].mean);
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const g = Math.round(info.channels[1].mean);
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const b = Math.round(info.channels[2].mean);
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logger.debug(`average color is calculated: ${r}, ${g}, ${b}`);
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const value = info.isOpaque ? [r, g, b] : [r, g, b, 255];
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properties['avgColor'] = value;
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} catch (e) { }
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};
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propPromises = [calcWh(), calcAvg()];
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}
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const [folder] = await Promise.all([fetchFolder(), Promise.all(propPromises)]);
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const metadata = {
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userId: user._id,
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_user: {
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host: user.host
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},
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folderId: folder !== null ? folder._id : null,
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comment: comment,
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properties: properties,
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withoutChunks: isLink,
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isRemote: isLink,
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isSensitive: isLocalUser(user) && user.settings.alwaysMarkNsfw ? true :
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(sensitive !== null && sensitive !== undefined)
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? sensitive
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: false
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} as IMetadata;
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if (url !== null) {
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metadata.src = url;
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if (isLink) {
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metadata.url = url;
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}
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}
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if (uri !== null) {
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metadata.uri = uri;
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}
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let driveFile: IDriveFile;
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if (isLink) {
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try {
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driveFile = await DriveFile.insert({
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length: 0,
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uploadDate: new Date(),
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md5: hash,
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filename: detectedName,
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metadata: metadata,
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contentType: mime
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});
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} catch (e) {
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// duplicate key error (when already registered)
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if (e.code === 11000) {
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logger.info(`already registered ${metadata.uri}`);
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driveFile = await DriveFile.findOne({
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'metadata.uri': metadata.uri,
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'metadata.userId': user._id
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});
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} else {
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logger.error(e);
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throw e;
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}
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}
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} else {
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driveFile = await (save(path, detectedName, mime, hash, size, metadata));
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}
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logger.succ(`drive file has been created ${driveFile._id}`);
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pack(driveFile).then(packedFile => {
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// Publish driveFileCreated event
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publishMainStream(user._id, 'driveFileCreated', packedFile);
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publishDriveStream(user._id, 'fileCreated', packedFile);
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});
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// 統計を更新
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driveChart.update(driveFile, true);
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perUserDriveChart.update(driveFile, true);
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if (isRemoteUser(driveFile.metadata._user)) {
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instanceChart.updateDrive(driveFile, true);
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Instance.update({ host: driveFile.metadata._user.host }, {
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$inc: {
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driveUsage: driveFile.length,
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driveFiles: 1
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}
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});
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}
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return driveFile;
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}
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