mirror of
https://git.joinsharkey.org/Sharkey/Sharkey.git
synced 2024-09-21 09:31:59 +03:00
316 lines
7.6 KiB
TypeScript
316 lines
7.6 KiB
TypeScript
import { Buffer } from 'buffer';
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import * as fs from 'fs';
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import * as stream from 'stream';
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import * as mongodb from 'mongodb';
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import * as crypto from 'crypto';
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import * as debug from 'debug';
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import fileType = require('file-type');
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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 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 event, { publishDriveStream } from '../../stream';
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import { isLocalUser, IUser, IRemoteUser } from '../../models/user';
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import delFile from './delete-file';
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import config from '../../config';
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const log = debug('misskey:drive:add-file');
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async function save(readable: stream.Readable, name: string, type: string, hash: string, size: number, metadata: any): Promise<IDriveFile> {
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if (config.drive && config.drive.storage == 'object-storage') {
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if (config.drive.service == 'minio') {
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const minio = new Minio.Client(config.drive.config);
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const id = uuid.v4();
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const obj = `${config.drive.prefix}/${id}`;
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await minio.putObject(config.drive.bucket, obj, readable);
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Object.assign(metadata, {
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withoutChunks: true,
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storage: 'object-storage',
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storageProps: {
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id: id
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},
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url: `${ config.drive.config.secure ? 'https' : 'http' }://${ config.drive.config.endPoint }${ config.drive.config.port ? ':' + config.drive.config.port : '' }/${ config.drive.bucket }/${ obj }`
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});
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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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return file;
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} else {
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throw 'unknown storage type';
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}
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} else {
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// Get MongoDB GridFS bucket
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const bucket = await getDriveFileBucket();
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return new Promise<IDriveFile>((resolve, reject) => {
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const writeStream = bucket.openUploadStream(name, { contentType: type, metadata });
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writeStream.once('finish', resolve);
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writeStream.on('error', reject);
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readable.pipe(writeStream);
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});
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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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}, {
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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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* @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 = false
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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 {
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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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});
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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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log(`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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log(`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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log(`drive usage is ${usage}`);
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const driveCapacity = 1024 * 1024 * (isLocalUser(user) ? config.localDriveCapacityMb : config.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: Array<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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log('calculate 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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log(`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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log('calculate average color...');
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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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log(`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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};
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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: sensitive
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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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const driveFile = isLink
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? 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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: await (save(fs.createReadStream(path), detectedName, mime, hash, size, metadata));
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log(`drive file has been created ${driveFile._id}`);
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pack(driveFile).then(packedFile => {
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// Publish drive_file_created event
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event(user._id, 'drive_file_created', packedFile);
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publishDriveStream(user._id, 'file_created', packedFile);
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});
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// TODO: サムネイル生成
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return driveFile;
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}
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