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import * as mongo from 'mongodb';
const deepcopy = require('deepcopy');
import { pack as packFolder } from './drive-folder';
import monkDb, { nativeDbConn } from '../db/mongodb';
import isObjectId from '../misc/is-objectid';
import getDriveFileUrl from '../misc/get-drive-file-url';
const DriveFile = monkDb.get<IDriveFile>('driveFiles.files');
DriveFile.createIndex('md5');
DriveFile.createIndex('metadata.uri');
DriveFile.createIndex('metadata.userId');
DriveFile.createIndex('metadata.folderId');
export default DriveFile;
export const DriveFileChunk = monkDb.get('driveFiles.chunks');
export const getDriveFileBucket = async (): Promise<mongo.GridFSBucket> => {
const db = await nativeDbConn();
const bucket = new mongo.GridFSBucket(db, {
bucketName: 'driveFiles'
});
return bucket;
};
export type IMetadata = {
properties: any;
userId: mongo.ObjectID;
_user: any;
folderId: mongo.ObjectID;
comment: string;
uri?: string;
url?: string;
thumbnailUrl?: string;
src?: string;
deletedAt?: Date;
/**
* このファイルの中身データがMongoDB内に保存されているのか否か
* オブジェクトストレージを利用している or リモートサーバーへの直リンクである
* な場合は false になります
*/
withoutChunks?: boolean;
storage?: string;
storageProps?: any;
isSensitive?: boolean;
/**
* このファイルが添付された投稿のID一覧
*/
attachedNoteIds?: mongo.ObjectID[];
/**
* 外部の(信頼されていない)URLへの直リンクか否か
*/
isRemote?: boolean;
};
export type IDriveFile = {
_id: mongo.ObjectID;
uploadDate: Date;
md5: string;
filename: string;
contentType: string;
metadata: IMetadata;
/**
* ファイルサイズ
*/
length: number;
};
export function validateFileName(name: string): boolean {
return (
(name.trim().length > 0) &&
(name.length <= 200) &&
(name.indexOf('\\') === -1) &&
(name.indexOf('/') === -1) &&
(name.indexOf('..') === -1)
);
}
export const packMany = (
files: any[],
options?: {
detail: boolean
}
) => {
return Promise.all(files.map(f => pack(f, options)));
};
/**
* Pack a drive file for API response
*/
export const pack = (
file: any,
options?: {
detail: boolean
}
) => new Promise<any>(async (resolve, reject) => {
const opts = Object.assign({
detail: false
}, options);
let _file: any;
// Populate the file if 'file' is ID
if (isObjectId(file)) {
_file = await DriveFile.findOne({
_id: file
});
} else if (typeof file === 'string') {
_file = await DriveFile.findOne({
_id: new mongo.ObjectID(file)
});
} else {
_file = deepcopy(file);
}
// (データベースの欠損などで)ファイルがデータベース上に見つからなかったとき
if (_file == null) {
console.warn(`[DAMAGED DB] (missing) pkg: driveFile :: ${file}`);
return resolve(null);
}
// rendered target
let _target: any = {};
_target.id = _file._id;
_target.createdAt = _file.uploadDate;
_target.name = _file.filename;
_target.type = _file.contentType;
_target.datasize = _file.length;
_target.md5 = _file.md5;
_target = Object.assign(_target, _file.metadata);
_target.url = getDriveFileUrl(_file);
_target.thumbnailUrl = getDriveFileUrl(_file, true);
_target.isRemote = _file.metadata.isRemote;
if (_target.properties == null) _target.properties = {};
if (opts.detail) {
if (_target.folderId) {
// Populate folder
_target.folder = await packFolder(_target.folderId, {
detail: true
});
}
/*
if (_target.tags) {
// Populate tags
_target.tags = await _target.tags.map(async (tag: any) =>
await serializeDriveTag(tag)
);
}
*/
}
delete _target.withoutChunks;
delete _target.storage;
delete _target.storageProps;
delete _target.isRemote;
delete _target._user;
resolve(_target);
});
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