add-file-to-drive - Promise百烈拳とメモリ削減
This commit is contained in:
otofune
parent
feab13c5eb
commit
64aedcaa6b
3 changed files with 269 additions and 152 deletions
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@ -54,13 +54,14 @@
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"@types/node": "8.0.49",
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"@types/page": "1.5.32",
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"@types/proxy-addr": "2.0.0",
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"@types/seedrandom": "2.4.27",
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"@types/ratelimiter": "2.1.28",
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"@types/redis": "2.8.1",
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"@types/request": "2.0.7",
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"@types/request": "^2.0.7",
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"@types/rimraf": "2.0.2",
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"@types/riot": "3.6.1",
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"@types/seedrandom": "2.4.27",
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"@types/serve-favicon": "2.2.29",
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"@types/tmp": "0.0.33",
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"@types/uuid": "3.4.3",
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"@types/webpack": "3.8.0",
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"@types/webpack-stream": "3.2.8",
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@ -111,7 +112,6 @@
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"deep-equal": "1.0.1",
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"deepcopy": "0.6.3",
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"diskusage": "0.2.2",
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"download": "6.2.5",
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"elasticsearch": "13.3.1",
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"escape-regexp": "0.0.1",
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"express": "4.15.4",
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@ -140,7 +140,7 @@
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"recaptcha-promise": "0.1.3",
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"reconnecting-websocket": "3.2.2",
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"redis": "2.8.0",
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"request": "2.83.0",
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"request": "^2.83.0",
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"rimraf": "2.6.2",
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"riot": "3.7.4",
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"rndstr": "1.0.0",
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@ -152,6 +152,7 @@
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"syuilo-password-strength": "0.0.1",
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"tcp-port-used": "0.1.2",
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"textarea-caret": "3.0.2",
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"tmp": "0.0.33",
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"ts-node": "3.3.0",
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"typescript": "2.6.1",
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"uuid": "3.1.0",
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@ -9,28 +9,34 @@ import DriveFolder from '../models/drive-folder';
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import serialize from '../serializers/drive-file';
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import event from '../event';
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import config from '../../conf';
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import { Duplex } from 'stream';
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import { Buffer } from 'buffer';
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import * as fs from 'fs';
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import * as tmp from 'tmp';
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import * as stream from 'stream';
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const log = debug('misskey:register-drive-file');
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const addToGridFS = (name, binary, type, metadata): Promise<any> => new Promise(async (resolve, reject) => {
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const dataStream = new Duplex();
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dataStream.push(binary);
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dataStream.push(null);
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const tmpFile = (): Promise<string> => new Promise((resolve, reject) => {
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tmp.file((e, path) => {
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if (e) return reject(e)
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resolve(path)
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})
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})
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const bucket = await getGridFSBucket();
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const writeStream = bucket.openUploadStream(name, { contentType: type, metadata });
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writeStream.once('finish', (doc) => { resolve(doc); });
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writeStream.on('error', reject);
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dataStream.pipe(writeStream);
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});
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const addToGridFS = (name: string, readable: stream.Readable, type: string, metadata: any): Promise<any> =>
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getGridFSBucket()
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.then(bucket => new Promise((resolve, reject) => {
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const writeStream = bucket.openUploadStream(name, { contentType: type, metadata });
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writeStream.once('finish', (doc) => { resolve(doc); });
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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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* 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 fileName File name
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* @param data Contents
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* @param file File path, binary, or readableStream
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* @param comment Comment
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* @param type File type
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* @param folderId Folder ID
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@ -39,139 +45,201 @@ const addToGridFS = (name, binary, type, metadata): Promise<any> => new Promise(
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*/
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export default (
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user: any,
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data: Buffer,
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file: string | Buffer | stream.Readable,
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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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) => new Promise<any>(async (resolve, reject) => {
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) => new Promise<any>((resolve, reject) => {
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log(`registering ${name} (user: ${user.username})`);
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// File size
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const size = data.byteLength;
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log(`size is ${size}`);
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// File type
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let mime = 'application/octet-stream';
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const type = fileType(data);
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if (type !== null) {
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mime = type.mime;
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if (name === null) {
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name = `untitled.${type.ext}`;
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// Get file path
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new Promise((res: (v: string) => void, rej) => {
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if (typeof file === 'string') {
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res(file)
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return
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}
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} else {
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if (name === null) {
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name = 'untitled';
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if (file instanceof Buffer) {
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tmpFile()
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.then(path => {
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fs.writeFile(path, file, (err) => {
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if (err) rej(err)
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res(path)
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})
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})
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.catch(rej)
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return
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}
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}
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log(`type is ${mime}`);
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// Generate hash
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const hash = crypto
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.createHash('md5')
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.update(data)
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.digest('hex') as string;
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log(`hash is ${hash}`);
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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.user_id': user._id
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});
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if (much !== null) {
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log('file with same hash is found');
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return resolve(much);
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} else {
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log('file with same hash is not found');
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if (typeof file === 'object' && typeof file.read === 'function') {
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tmpFile()
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.then(path => {
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const readable: stream.Readable = file
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const writable = fs.createWriteStream(path)
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readable
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.on('error', rej)
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.on('end', () => {
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res(path)
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})
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.pipe(writable)
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.on('error', rej)
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})
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.catch(rej)
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}
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}
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rej(new Error('un-compatible file.'))
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})
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// Calculate hash, get content type and get file size
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.then(path => Promise.all([
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path,
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// hash
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((): Promise<string> => new Promise((res, rej) => {
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const readable = fs.createReadStream(path)
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const hash = crypto.createHash('md5')
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readable
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.on('error', rej)
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.on('end', () => {
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res(hash.digest('hex'))
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})
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.pipe(hash)
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.on('error', rej)
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}))(),
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// mime
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((): Promise<[string, string | null]> => new Promise((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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return res(['application/octet-stream', null])
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}
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return res([type.mime, type.ext])
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})
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}))(),
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// size
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((): Promise<number> => new Promise((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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]))
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.then(async ([path, hash, [mime, ext], size]) => {
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log(`hash: ${hash}, mime: ${mime}, ext: ${ext}, size: ${size}`)
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// Calculate drive usage
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const usage = ((await DriveFile
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.aggregate([
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{ $match: { 'metadata.user_id': user._id } },
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{ $project: {
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length: true
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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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]))[0] || {
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usage: 0
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}).usage;
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// detect name
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const detectedName: string = name || (ext ? `untitled.${ext}` : 'untitled');
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log(`drive usage is ${usage}`);
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if (!force) {
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// Check if there is a file with the same hash
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const much = await DriveFile.findOne({
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md5: hash,
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'metadata.user_id': user._id
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});
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// If usage limit exceeded
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if (usage + size > user.drive_capacity) {
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return reject('no-free-space');
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}
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// If the folder is specified
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let folder: any = null;
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if (folderId !== null) {
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folder = await DriveFolder
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.findOne({
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_id: folderId,
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user_id: user._id
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});
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if (folder === null) {
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return reject('folder-not-found');
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}
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}
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let properties: any = null;
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// If the file is an image
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if (/^image\/.*$/.test(mime)) {
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// Calculate width and height to save in property
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const g = gm(data, name);
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const size = await prominence(g).size();
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properties = {
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width: size.width,
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height: size.height
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};
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log('image width and height is calculated');
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}
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// Create DriveFile document
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const file = await addToGridFS(name, data, mime, {
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user_id: user._id,
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folder_id: folder !== null ? folder._id : null,
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comment: comment,
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properties: properties
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});
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log(`drive file has been created ${file._id}`);
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resolve(file);
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// Serialize
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const fileObj = await serialize(file);
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// Publish drive_file_created event
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event(user._id, 'drive_file_created', fileObj);
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// Register to search database
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if (config.elasticsearch.enable) {
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const es = require('../../db/elasticsearch');
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es.index({
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index: 'misskey',
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type: 'drive_file',
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id: file._id.toString(),
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body: {
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name: file.name,
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user_id: user._id.toString()
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if (much !== null) {
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log('file with same hash is found');
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return resolve(much);
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} else {
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log('file with same hash is not found');
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}
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}
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});
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}
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const [properties, folder] = await Promise.all([
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// properties
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(async () => {
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if (!/^image\/.*$/.test(mime)) {
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return null
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}
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// If the file is an image, calculate width and height to save in property
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const g = gm(data, name);
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const size = await prominence(g).size();
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const properties = {
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width: size.width,
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height: size.height
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};
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log('image width and height is calculated');
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return properties
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})(),
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// folder
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(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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user_id: user._id
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})
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if (!driveFolder) {
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throw 'folder-not-found'
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}
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return driveFolder
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})(),
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// usage checker
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(async () => {
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// Calculate drive usage
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const usage = await DriveFile
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.aggregate([
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{ $match: { 'metadata.user_id': user._id } },
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{
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$project: {
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length: true
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}
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},
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{
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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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])
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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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// If usage limit exceeded
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if (usage + size > user.drive_capacity) {
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throw 'no-free-space';
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}
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})()
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])
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const readable = fs.createReadStream(path)
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return addToGridFS(name, readable, mime, {
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user_id: user._id,
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folder_id: folder !== null ? folder._id : null,
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comment: comment,
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properties: properties
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})
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})
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.then(file => {
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log(`drive file has been created ${file._id}`);
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resolve(file)
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return serialize(file)
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})
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.then(serializedFile => {
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// Publish drive_file_created event
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event(user._id, 'drive_file_created', fileObj);
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// Register to search database
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if (config.elasticsearch.enable) {
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const es = require('../../db/elasticsearch');
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es.index({
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index: 'misskey',
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type: 'drive_file',
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id: file._id.toString(),
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body: {
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name: file.name,
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user_id: user._id.toString()
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}
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});
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}
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})
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.catch(reject)
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});
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@ -2,11 +2,17 @@
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* Module dependencies
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*/
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import * as URL from 'url';
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const download = require('download');
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import $ from 'cafy';
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import { validateFileName } from '../../../models/drive-file';
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import serialize from '../../../serializers/drive-file';
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import create from '../../../common/add-file-to-drive';
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import * as debug from 'debug';
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import * as tmp from 'tmp';
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import * as fs from 'fs';
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import * as request from 'request';
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import * as crypto from 'crypto';
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const log = debug('misskey:endpoint:upload_from_url')
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/**
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* Create a file from a URL
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@ -15,7 +21,7 @@ import create from '../../../common/add-file-to-drive';
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* @param {any} user
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* @return {Promise<any>}
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*/
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module.exports = (params, user) => new Promise(async (res, rej) => {
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module.exports = (params, user) => new Promise((res, rej) => {
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// Get 'url' parameter
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// TODO: Validate this url
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const [url, urlErr] = $(params.url).string().$;
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@ -30,15 +36,57 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
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const [folderId = null, folderIdErr] = $(params.folder_id).optional.nullable.id().$;
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if (folderIdErr) return rej('invalid folder_id param');
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// Download file
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const data = await download(url);
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// Create file
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const driveFile = await create(user, data, name, null, folderId);
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// Serialize
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const fileObj = await serialize(driveFile);
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// Response
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res(fileObj);
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// Create temp file
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new Promise((res, rej) => {
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tmp.file((e, path) => {
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if (e) return rej(e)
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res(path)
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})
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})
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// Download file
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.then((path: string) => new Promise((res, rej) => {
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const writable = fs.createWriteStream(path)
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request(url)
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.on('error', rej)
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.on('end', () => {
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writable.close()
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res(path)
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})
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.pipe(writable)
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.on('error', rej)
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}))
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// Calculate hash & content-type
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.then((path: string) => new Promise((res, rej) => {
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const readable = fs.createReadStream(path)
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const hash = crypto.createHash('md5')
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readable
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.on('error', rej)
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.on('end', () => {
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hash.end()
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res([path, hash.digest('hex')])
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})
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.pipe(hash)
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.on('error', rej)
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}))
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// Create file
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.then((rv: string[]) => new Promise((res, rej) => {
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const [path, hash] = rv
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create(user, {
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stream: fs.createReadStream(path),
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name,
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hash
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}, null, folderId)
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.then(driveFile => {
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res(driveFile)
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// crean-up
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fs.unlink(path, (e) => {
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if (e) log(e.stack)
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})
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})
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.catch(rej)
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}))
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// Serialize
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.then(serialize)
|
||||
.then(res)
|
||||
.catch(rej)
|
||||
});
|
||||
|
|
|
|||
Loading…
Reference in a new issue