import { Buffer } from 'buffer'; import * as fs from 'fs'; import * as crypto from 'crypto'; import * as Minio from 'minio'; import * as uuid from 'uuid'; import * as sharp from 'sharp'; import { publishMainStream, publishDriveStream } from '../stream'; import delFile from './delete-file'; import config from '../../config'; import fetchMeta from '../../misc/fetch-meta'; import { GenerateVideoThumbnail } from './generate-video-thumbnail'; import { driveLogger } from './logger'; import { IImage, ConvertToJpeg, ConvertToWebp, ConvertToPng } from './image-processor'; import { contentDisposition } from '../../misc/content-disposition'; import { detectMine } from '../../misc/detect-mine'; import { DriveFiles, DriveFolders, Users, Instances } from '../../models'; import { InternalStorage } from './internal-storage'; import { DriveFile } from '../../models/entities/drive-file'; import { IRemoteUser, User } from '../../models/entities/user'; import { driveChart, perUserDriveChart, instanceChart } from '../chart'; import { genId } from '../../misc/gen-id'; import { isDuplicateKeyValueError } from '../../misc/is-duplicate-key-value-error'; const logger = driveLogger.createSubLogger('register', 'yellow'); /*** * Save file * @param path Path for original * @param name Name for original * @param type Content-Type for original * @param hash Hash for original * @param size Size for original */ async function save(file: DriveFile, path: string, name: string, type: string, hash: string, size: number): Promise { // thunbnail, webpublic を必要なら生成 const alts = await generateAlts(path, type, !file.uri); if (config.drive && config.drive.storage == 'minio') { //#region ObjectStorage params let [ext] = (name.match(/\.([a-zA-Z0-9_-]+)$/) || ['']); if (ext === '') { if (type === 'image/jpeg') ext = '.jpg'; if (type === 'image/png') ext = '.png'; if (type === 'image/webp') ext = '.webp'; } const baseUrl = config.drive.baseUrl || `${ config.drive.config.useSSL ? 'https' : 'http' }://${ config.drive.config.endPoint }${ config.drive.config.port ? `:${config.drive.config.port}` : '' }/${ config.drive.bucket }`; // for original const key = `${config.drive.prefix}/${uuid.v4()}${ext}`; const url = `${ baseUrl }/${ key }`; // for alts let webpublicKey: string = null; let webpublicUrl: string = null; let thumbnailKey: string = null; let thumbnailUrl: string = null; //#endregion //#region Uploads logger.info(`uploading original: ${key}`); const uploads = [ upload(key, fs.createReadStream(path), type, name) ]; if (alts.webpublic) { webpublicKey = `${config.drive.prefix}/${uuid.v4()}.${alts.webpublic.ext}`; webpublicUrl = `${ baseUrl }/${ webpublicKey }`; logger.info(`uploading webpublic: ${webpublicKey}`); uploads.push(upload(webpublicKey, alts.webpublic.data, alts.webpublic.type, name)); } if (alts.thumbnail) { thumbnailKey = `${config.drive.prefix}/${uuid.v4()}.${alts.thumbnail.ext}`; thumbnailUrl = `${ baseUrl }/${ thumbnailKey }`; logger.info(`uploading thumbnail: ${thumbnailKey}`); uploads.push(upload(thumbnailKey, alts.thumbnail.data, alts.thumbnail.type)); } await Promise.all(uploads); //#endregion file.url = url; file.thumbnailUrl = thumbnailUrl; file.webpublicUrl = webpublicUrl; file.accessKey = key; file.thumbnailAccessKey = thumbnailKey; file.webpublicAccessKey = webpublicKey; file.name = name; file.type = type; file.md5 = hash; file.size = size; file.storedInternal = false; return await DriveFiles.save(file); } else { // use internal storage const accessKey = uuid.v4(); const thumbnailAccessKey = uuid.v4(); const webpublicAccessKey = uuid.v4(); const url = InternalStorage.saveFromPath(accessKey, path); let thumbnailUrl: string; let webpublicUrl: string; if (alts.thumbnail) { thumbnailUrl = InternalStorage.saveFromBuffer(thumbnailAccessKey, alts.thumbnail.data); logger.info(`thumbnail stored: ${thumbnailAccessKey}`); } if (alts.webpublic) { webpublicUrl = InternalStorage.saveFromBuffer(webpublicAccessKey, alts.webpublic.data); logger.info(`web stored: ${webpublicAccessKey}`); } file.storedInternal = true; file.url = url; file.thumbnailUrl = thumbnailUrl; file.webpublicUrl = webpublicUrl; file.accessKey = accessKey; file.thumbnailAccessKey = thumbnailAccessKey; file.webpublicAccessKey = webpublicAccessKey; file.name = name; file.type = type; file.md5 = hash; file.size = size; return await DriveFiles.save(file); } } /** * Generate webpublic, thumbnail, etc * @param path Path for original * @param type Content-Type for original * @param generateWeb Generate webpublic or not */ export async function generateAlts(path: string, type: string, generateWeb: boolean) { // #region webpublic let webpublic: IImage; if (generateWeb) { logger.info(`creating web image`); if (['image/jpeg'].includes(type)) { webpublic = await ConvertToJpeg(path, 2048, 2048); } else if (['image/webp'].includes(type)) { webpublic = await ConvertToWebp(path, 2048, 2048); } else if (['image/png'].includes(type)) { webpublic = await ConvertToPng(path, 2048, 2048); } else { logger.info(`web image not created (not an image)`); } } else { logger.info(`web image not created (from remote)`); } // #endregion webpublic // #region thumbnail let thumbnail: IImage; if (['image/jpeg', 'image/webp'].includes(type)) { thumbnail = await ConvertToJpeg(path, 498, 280); } else if (['image/png'].includes(type)) { thumbnail = await ConvertToPng(path, 498, 280); } else if (type.startsWith('video/')) { try { thumbnail = await GenerateVideoThumbnail(path); } catch (e) { logger.error(`GenerateVideoThumbnail failed: ${e}`); } } // #endregion thumbnail return { webpublic, thumbnail, }; } /** * Upload to ObjectStorage */ async function upload(key: string, stream: fs.ReadStream | Buffer, type: string, filename?: string) { const minio = new Minio.Client(config.drive.config); const metadata = { 'Content-Type': type, 'Cache-Control': 'max-age=31536000, immutable' } as Minio.ItemBucketMetadata; if (filename) metadata['Content-Disposition'] = contentDisposition('inline', filename); await minio.putObject(config.drive.bucket, key, stream, null, metadata); } async function deleteOldFile(user: IRemoteUser) { const oldFile = await DriveFiles.createQueryBuilder() .select('file') .where('file.id != :avatarId', { avatarId: user.avatarId }) .andWhere('file.id != :bannerId', { bannerId: user.bannerId }) .andWhere('file.userId = :userId', { userId: user.id }) .orderBy('file.id', 'DESC') .getOne(); if (oldFile) { delFile(oldFile, true); } } /** * Add file to drive * * @param user User who wish to add file * @param path File path * @param name Name * @param comment Comment * @param folderId Folder ID * @param force If set to true, forcibly upload the file even if there is a file with the same hash. * @param isLink Do not save file to local * @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) * @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) * @param sensitive Mark file as sensitive * @return Created drive file */ export default async function( user: User, path: string, name: string = null, comment: string = null, folderId: any = null, force: boolean = false, isLink: boolean = false, url: string = null, uri: string = null, sensitive: boolean = null ): Promise { // Calc md5 hash const calcHash = new Promise((res, rej) => { const readable = fs.createReadStream(path); const hash = crypto.createHash('md5'); const chunks: Buffer[] = []; readable .on('error', rej) .pipe(hash) .on('error', rej) .on('data', chunk => chunks.push(chunk)) .on('end', () => { const buffer = Buffer.concat(chunks); res(buffer.toString('hex')); }); }); // Get file size const getFileSize = new Promise((res, rej) => { fs.stat(path, (err, stats) => { if (err) return rej(err); res(stats.size); }); }); const [hash, [mime, ext], size] = await Promise.all([calcHash, detectMine(path), getFileSize]); logger.info(`hash: ${hash}, mime: ${mime}, ext: ${ext}, size: ${size}`); // detect name const detectedName = name || (ext ? `untitled.${ext}` : 'untitled'); if (!force) { // Check if there is a file with the same hash const much = await DriveFiles.findOne({ md5: hash, userId: user.id, }); if (much) { logger.info(`file with same hash is found: ${much.id}`); return much; } } //#region Check drive usage if (!isLink) { const usage = await DriveFiles.clacDriveUsageOf(user); const instance = await fetchMeta(); const driveCapacity = 1024 * 1024 * (Users.isLocalUser(user) ? instance.localDriveCapacityMb : instance.remoteDriveCapacityMb); logger.debug(`drive usage is ${usage} (max: ${driveCapacity})`); // If usage limit exceeded if (usage + size > driveCapacity) { if (Users.isLocalUser(user)) { throw 'no-free-space'; } else { // (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 deleteOldFile(user); } } } //#endregion const fetchFolder = async () => { if (!folderId) { return null; } const driveFolder = await DriveFolders.findOne({ id: folderId, userId: user.id }); if (driveFolder == null) throw 'folder-not-found'; return driveFolder; }; const properties: {[key: string]: any} = {}; let propPromises: Promise[] = []; const isImage = ['image/jpeg', 'image/gif', 'image/png', 'image/webp'].includes(mime); if (isImage) { const img = sharp(path); // Calc width and height const calcWh = async () => { logger.debug('calculating image width and height...'); // Calculate width and height const meta = await img.metadata(); logger.debug(`image width and height is calculated: ${meta.width}, ${meta.height}`); properties['width'] = meta.width; properties['height'] = meta.height; }; // Calc average color const calcAvg = async () => { logger.debug('calculating average color...'); try { const info = await (img as any).stats(); const r = Math.round(info.channels[0].mean); const g = Math.round(info.channels[1].mean); const b = Math.round(info.channels[2].mean); logger.debug(`average color is calculated: ${r}, ${g}, ${b}`); const value = info.isOpaque ? `rgba(${r},${g},${b},0)` : `rgba(${r},${g},${b},255)`; properties['avgColor'] = value; } catch (e) { } }; propPromises = [calcWh(), calcAvg()]; } const [folder] = await Promise.all([fetchFolder(), Promise.all(propPromises)]); let file = new DriveFile(); file.id = genId(); file.createdAt = new Date(); file.userId = user.id; file.userHost = user.host; file.folderId = folder !== null ? folder.id : null; file.comment = comment; file.properties = properties; file.isLink = isLink; file.isSensitive = Users.isLocalUser(user) && user.alwaysMarkNsfw ? true : (sensitive !== null && sensitive !== undefined) ? sensitive : false; if (url !== null) { file.src = url; if (isLink) { file.url = url; } } if (uri !== null) { file.uri = uri; } if (isLink) { try { file.size = 0; file.md5 = hash; file.name = detectedName; file.type = mime; file = await DriveFiles.save(file); } catch (e) { // duplicate key error (when already registered) if (isDuplicateKeyValueError(e)) { logger.info(`already registered ${file.uri}`); file = await DriveFiles.findOne({ uri: file.uri, userId: user.id }); } else { logger.error(e); throw e; } } } else { file = await (save(file, path, detectedName, mime, hash, size)); } logger.succ(`drive file has been created ${file.id}`); DriveFiles.pack(file).then(packedFile => { // Publish driveFileCreated event publishMainStream(user.id, 'driveFileCreated', packedFile); publishDriveStream(user.id, 'fileCreated', packedFile); }); // 統計を更新 driveChart.update(file, true); perUserDriveChart.update(file, true); if (file.userHost !== null) { instanceChart.updateDrive(file, true); Instances.increment({ host: file.userHost }, 'driveUsage', file.size); Instances.increment({ host: file.userHost }, 'driveFiles', 1); } return file; }