306 lines
7.6 KiB
TypeScript
306 lines
7.6 KiB
TypeScript
import { Buffer } from 'buffer';
|
|
import * as fs from 'fs';
|
|
import * as tmp from 'tmp';
|
|
import * as stream from 'stream';
|
|
|
|
import * as mongodb from 'mongodb';
|
|
import * as crypto from 'crypto';
|
|
import * as _gm from 'gm';
|
|
import * as debug from 'debug';
|
|
import fileType = require('file-type');
|
|
import prominence = require('prominence');
|
|
|
|
import DriveFile, { getGridFSBucket } from '../models/drive-file';
|
|
import DriveFolder from '../models/drive-folder';
|
|
import serialize from '../serializers/drive-file';
|
|
import event, { publishDriveStream } from '../event';
|
|
import config from '../../conf';
|
|
|
|
const gm = _gm.subClass({
|
|
imageMagick: true
|
|
});
|
|
|
|
const log = debug('misskey:register-drive-file');
|
|
|
|
const tmpFile = (): Promise<string> => new Promise((resolve, reject) => {
|
|
tmp.file((e, path) => {
|
|
if (e) return reject(e);
|
|
resolve(path);
|
|
});
|
|
});
|
|
|
|
const addToGridFS = (name: string, readable: stream.Readable, type: string, metadata: any): Promise<any> =>
|
|
getGridFSBucket()
|
|
.then(bucket => new Promise((resolve, reject) => {
|
|
const writeStream = bucket.openUploadStream(name, { contentType: type, metadata });
|
|
writeStream.once('finish', (doc) => { resolve(doc); });
|
|
writeStream.on('error', reject);
|
|
readable.pipe(writeStream);
|
|
}));
|
|
|
|
const addFile = async (
|
|
user: any,
|
|
path: string,
|
|
name: string = null,
|
|
comment: string = null,
|
|
folderId: mongodb.ObjectID = null,
|
|
force: boolean = false
|
|
) => {
|
|
log(`registering ${name} (user: ${user.username}, path: ${path})`);
|
|
|
|
// Calculate hash, get content type and get file size
|
|
const [hash, [mime, ext], size] = await Promise.all([
|
|
// hash
|
|
((): Promise<string> => new Promise((res, rej) => {
|
|
const readable = fs.createReadStream(path);
|
|
const hash = crypto.createHash('md5');
|
|
const chunks = [];
|
|
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'));
|
|
});
|
|
}))(),
|
|
// mime
|
|
((): Promise<[string, string | null]> => new Promise((res, rej) => {
|
|
const readable = fs.createReadStream(path);
|
|
readable
|
|
.on('error', rej)
|
|
.once('data', (buffer: Buffer) => {
|
|
readable.destroy();
|
|
const type = fileType(buffer);
|
|
if (type) {
|
|
return res([type.mime, type.ext]);
|
|
} else {
|
|
// 種類が同定できなかったら application/octet-stream にする
|
|
return res(['application/octet-stream', null]);
|
|
}
|
|
});
|
|
}))(),
|
|
// size
|
|
((): Promise<number> => new Promise((res, rej) => {
|
|
fs.stat(path, (err, stats) => {
|
|
if (err) return rej(err);
|
|
res(stats.size);
|
|
});
|
|
}))()
|
|
]);
|
|
|
|
log(`hash: ${hash}, mime: ${mime}, ext: ${ext}, size: ${size}`);
|
|
|
|
// detect name
|
|
const detectedName: string = name || (ext ? `untitled.${ext}` : 'untitled');
|
|
|
|
if (!force) {
|
|
// Check if there is a file with the same hash
|
|
const much = await DriveFile.findOne({
|
|
md5: hash,
|
|
'metadata.user_id': user._id
|
|
});
|
|
|
|
if (much !== null) {
|
|
log('file with same hash is found');
|
|
return much;
|
|
} else {
|
|
log('file with same hash is not found');
|
|
}
|
|
}
|
|
|
|
const [wh, averageColor, folder] = await Promise.all([
|
|
// Width and height (when image)
|
|
(async () => {
|
|
// 画像かどうか
|
|
if (!/^image\/.*$/.test(mime)) {
|
|
return null;
|
|
}
|
|
|
|
const imageType = mime.split('/')[1];
|
|
|
|
// 画像でもPNGかJPEGかGIFでないならスキップ
|
|
if (imageType != 'png' && imageType != 'jpeg' && imageType != 'gif') {
|
|
return null;
|
|
}
|
|
|
|
log('calculate image width and height...');
|
|
|
|
// Calculate width and height
|
|
const g = gm(fs.createReadStream(path), name);
|
|
const size = await prominence(g).size();
|
|
|
|
log(`image width and height is calculated: ${size.width}, ${size.height}`);
|
|
|
|
return [size.width, size.height];
|
|
})(),
|
|
// average color (when image)
|
|
(async () => {
|
|
// 画像かどうか
|
|
if (!/^image\/.*$/.test(mime)) {
|
|
return null;
|
|
}
|
|
|
|
const imageType = mime.split('/')[1];
|
|
|
|
// 画像でもPNGかJPEGでないならスキップ
|
|
if (imageType != 'png' && imageType != 'jpeg') {
|
|
return null;
|
|
}
|
|
|
|
log('calculate average color...');
|
|
|
|
const buffer = await prominence(gm(fs.createReadStream(path), name)
|
|
.setFormat('ppm')
|
|
.resize(1, 1)) // 1pxのサイズに縮小して平均色を取得するというハック
|
|
.toBuffer();
|
|
|
|
const r = buffer.readUInt8(buffer.length - 3);
|
|
const g = buffer.readUInt8(buffer.length - 2);
|
|
const b = buffer.readUInt8(buffer.length - 1);
|
|
|
|
log(`average color is calculated: ${r}, ${g}, ${b}`);
|
|
|
|
return [r, g, b];
|
|
})(),
|
|
// folder
|
|
(async () => {
|
|
if (!folderId) {
|
|
return null;
|
|
}
|
|
const driveFolder = await DriveFolder.findOne({
|
|
_id: folderId,
|
|
user_id: user._id
|
|
});
|
|
if (!driveFolder) {
|
|
throw 'folder-not-found';
|
|
}
|
|
return driveFolder;
|
|
})(),
|
|
// usage checker
|
|
(async () => {
|
|
// Calculate drive usage
|
|
const usage = await DriveFile
|
|
.aggregate([{
|
|
$match: { 'metadata.user_id': user._id }
|
|
}, {
|
|
$project: {
|
|
length: true
|
|
}
|
|
}, {
|
|
$group: {
|
|
_id: null,
|
|
usage: { $sum: '$length' }
|
|
}
|
|
}])
|
|
.then((aggregates: any[]) => {
|
|
if (aggregates.length > 0) {
|
|
return aggregates[0].usage;
|
|
}
|
|
return 0;
|
|
});
|
|
|
|
log(`drive usage is ${usage}`);
|
|
|
|
// If usage limit exceeded
|
|
if (usage + size > user.drive_capacity) {
|
|
throw 'no-free-space';
|
|
}
|
|
})()
|
|
]);
|
|
|
|
const readable = fs.createReadStream(path);
|
|
|
|
const properties = {};
|
|
|
|
if (wh) {
|
|
properties['width'] = wh[0];
|
|
properties['height'] = wh[1];
|
|
}
|
|
|
|
if (averageColor) {
|
|
properties['average_color'] = averageColor;
|
|
}
|
|
|
|
return addToGridFS(detectedName, readable, mime, {
|
|
user_id: user._id,
|
|
folder_id: folder !== null ? folder._id : null,
|
|
comment: comment,
|
|
properties: properties
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Add file to drive
|
|
*
|
|
* @param user User who wish to add file
|
|
* @param file File path or readableStream
|
|
* @param comment Comment
|
|
* @param type File type
|
|
* @param folderId Folder ID
|
|
* @param force If set to true, forcibly upload the file even if there is a file with the same hash.
|
|
* @return Object that represents added file
|
|
*/
|
|
export default (user: any, file: string | stream.Readable, ...args) => new Promise<any>((resolve, reject) => {
|
|
// Get file path
|
|
new Promise((res: (v: [string, boolean]) => void, rej) => {
|
|
if (typeof file === 'string') {
|
|
res([file, false]);
|
|
return;
|
|
}
|
|
if (typeof file === 'object' && typeof file.read === 'function') {
|
|
tmpFile()
|
|
.then(path => {
|
|
const readable: stream.Readable = file;
|
|
const writable = fs.createWriteStream(path);
|
|
readable
|
|
.on('error', rej)
|
|
.on('end', () => {
|
|
res([path, true]);
|
|
})
|
|
.pipe(writable)
|
|
.on('error', rej);
|
|
})
|
|
.catch(rej);
|
|
}
|
|
rej(new Error('un-compatible file.'));
|
|
})
|
|
.then(([path, remove]): Promise<any> => new Promise((res, rej) => {
|
|
addFile(user, path, ...args)
|
|
.then(file => {
|
|
res(file);
|
|
if (remove) {
|
|
fs.unlink(path, (e) => {
|
|
if (e) log(e.stack);
|
|
});
|
|
}
|
|
})
|
|
.catch(rej);
|
|
}))
|
|
.then(file => {
|
|
log(`drive file has been created ${file._id}`);
|
|
resolve(file);
|
|
|
|
serialize(file).then(serializedFile => {
|
|
// Publish drive_file_created event
|
|
event(user._id, 'drive_file_created', serializedFile);
|
|
publishDriveStream(user._id, 'file_created', serializedFile);
|
|
|
|
// Register to search database
|
|
if (config.elasticsearch.enable) {
|
|
const es = require('../../db/elasticsearch');
|
|
es.index({
|
|
index: 'misskey',
|
|
type: 'drive_file',
|
|
id: file._id.toString(),
|
|
body: {
|
|
name: file.name,
|
|
user_id: user._id.toString()
|
|
}
|
|
});
|
|
}
|
|
});
|
|
})
|
|
.catch(reject);
|
|
});
|