nextcloud/apps/files/src/services/Recent.ts

/**
 * @copyright Copyright (c) 2023 John Molakvoæ <skjnldsv@protonmail.com>
 *
 * @author John Molakvoæ <skjnldsv@protonmail.com>
 *
 * @license AGPL-3.0-or-later
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */
import type { ContentsWithRoot } from '@nextcloud/files'
import type { FileStat, ResponseDataDetailed, DAVResultResponseProps } from 'webdav'

import { File, Folder, Permission, davParsePermissions } from '@nextcloud/files'
import { generateRemoteUrl } from '@nextcloud/router'
import { getCurrentUser } from '@nextcloud/auth'

import { getClient, rootPath } from './WebdavClient'
import { getDavNameSpaces, getDavProperties } from './DavProperties'

const client = getClient(generateRemoteUrl('dav'))

const lastTwoWeeksTimestamp = Math.round((Date.now() / 1000) - (60 * 60 * 24 * 14))
const searchPayload = `<?xml version="1.0" encoding="UTF-8"?>
<d:searchrequest ${getDavNameSpaces()}
	xmlns:ns="https://github.com/icewind1991/SearchDAV/ns">
	<d:basicsearch>
		<d:select>
			<d:prop>
				${getDavProperties()}
			</d:prop>
		</d:select>
		<d:from>
			<d:scope>
				<d:href>/files/${getCurrentUser()?.uid}/</d:href>
				<d:depth>infinity</d:depth>
			</d:scope>
		</d:from>
		<d:where>
			<d:and>
				<d:or>
					<d:not>
						<d:eq>
							<d:prop>
								<d:getcontenttype/>
							</d:prop>
							<d:literal>httpd/unix-directory</d:literal>
						</d:eq>
					</d:not>
					<d:eq>
						<d:prop>
							<oc:size/>
						</d:prop>
						<d:literal>0</d:literal>
					</d:eq>
				</d:or>
				<d:gt>
					<d:prop>
						<d:getlastmodified/>
					</d:prop>
					<d:literal>${lastTwoWeeksTimestamp}</d:literal>
				</d:gt>
			</d:and>
		</d:where>
		<d:orderby>
			<d:order>
				<d:prop>
					<d:getlastmodified/>
				</d:prop>
				<d:descending/>
			</d:order>
		</d:orderby>
		<d:limit>
			<d:nresults>100</d:nresults>
			<ns:firstresult>0</ns:firstresult>
		</d:limit>
	</d:basicsearch>
</d:searchrequest>`

interface ResponseProps extends DAVResultResponseProps {
	permissions: string,
	fileid: number,
	size: number,
}

const resultToNode = function(node: FileStat): File | Folder {
	const props = node.props as ResponseProps
	const permissions = davParsePermissions(props?.permissions)
	const owner = getCurrentUser()?.uid as string

	const nodeData = {
		id: props?.fileid as number || 0,
		source: generateRemoteUrl('dav' + node.filename),
		mtime: new Date(node.lastmod),
		mime: node.mime as string,
		size: props?.size as number || 0,
		permissions,
		owner,
		root: rootPath,
		attributes: {
			...node,
			...props,
			hasPreview: props?.['has-preview'],
		},
	}

	delete nodeData.attributes.props

	return node.type === 'file'
		? new File(nodeData)
		: new Folder(nodeData)
}

export const getContents = async (path = '/'): Promise<ContentsWithRoot> => {
	const contentsResponse = await client.getDirectoryContents(path, {
		details: true,
		data: searchPayload,
		headers: {
			// Patched in WebdavClient.ts
			method: 'SEARCH',
			// Somehow it's needed to get the correct response
			'Content-Type': 'application/xml; charset=utf-8',
		},
		deep: true,
	}) as ResponseDataDetailed<FileStat[]>

	const contents = contentsResponse.data

	return {
		folder: new Folder({
			id: 0,
			source: generateRemoteUrl('dav' + rootPath),
			root: rootPath,
			owner: getCurrentUser()?.uid || null,
			permissions: Permission.READ,
		}),
		contents: contents.map(resultToNode),
	}
}