113 lines
2.4 KiB
TypeScript
113 lines
2.4 KiB
TypeScript
import * as mongodb from 'mongodb';
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import deepcopy = require('deepcopy');
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import { pack as packFolder } from './drive-folder';
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import config from '../../conf';
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import monkDb, { nativeDbConn } from '../../db/mongodb';
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const DriveFile = monkDb.get<IDriveFile>('drive_files.files');
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export default DriveFile;
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const getGridFSBucket = async (): Promise<mongodb.GridFSBucket> => {
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const db = await nativeDbConn();
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const bucket = new mongodb.GridFSBucket(db, {
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bucketName: 'drive_files'
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});
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return bucket;
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};
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export { getGridFSBucket };
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export type IDriveFile = {
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_id: mongodb.ObjectID;
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uploadDate: Date;
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md5: string;
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filename: string;
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contentType: string;
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metadata: {
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properties: any;
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user_id: mongodb.ObjectID;
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folder_id: mongodb.ObjectID;
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}
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};
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export function validateFileName(name: string): boolean {
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return (
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(name.trim().length > 0) &&
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(name.length <= 200) &&
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(name.indexOf('\\') === -1) &&
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(name.indexOf('/') === -1) &&
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(name.indexOf('..') === -1)
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);
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}
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/**
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* Pack a drive file for API response
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*
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* @param {any} file
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* @param {any} options?
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* @return {Promise<any>}
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*/
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export const pack = (
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file: any,
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options?: {
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detail: boolean
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}
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) => new Promise<any>(async (resolve, reject) => {
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const opts = Object.assign({
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detail: false
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}, options);
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let _file: any;
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// Populate the file if 'file' is ID
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if (mongodb.ObjectID.prototype.isPrototypeOf(file)) {
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_file = await DriveFile.findOne({
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_id: file
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});
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} else if (typeof file === 'string') {
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_file = await DriveFile.findOne({
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_id: new mongodb.ObjectID(file)
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});
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} else {
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_file = deepcopy(file);
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}
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if (!_file) return reject('invalid file arg.');
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// rendered target
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let _target: any = {};
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_target.id = _file._id;
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_target.created_at = _file.uploadDate;
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_target.name = _file.filename;
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_target.type = _file.contentType;
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_target.datasize = _file.length;
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_target.md5 = _file.md5;
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_target = Object.assign(_target, _file.metadata);
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_target.url = `${config.drive_url}/${_target.id}/${encodeURIComponent(_target.name)}`;
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if (_target.properties == null) _target.properties = {};
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if (opts.detail) {
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if (_target.folder_id) {
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// Populate folder
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_target.folder = await packFolder(_target.folder_id, {
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detail: true
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});
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}
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/*
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if (_target.tags) {
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// Populate tags
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_target.tags = await _target.tags.map(async (tag: any) =>
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await serializeDriveTag(tag)
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);
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}
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*/
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}
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resolve(_target);
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});
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