1<?php
2/**
3 * @author Thomas Müller <thomas.mueller@tmit.eu>
4 *
5 * @copyright Copyright (c) 2019, ownCloud GmbH
6 * @license AGPL-3.0
7 *
8 * This code is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU Affero General Public License, version 3,
10 * as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License, version 3,
18 * along with this program.  If not, see <http://www.gnu.org/licenses/>
19 *
20 */
21
22namespace OCA\DAV\TrashBin;
23
24use OCA\DAV\Connector\Sabre\Exception\FileLocked;
25use OCP\Files\FileInfo;
26use OCP\Files\ForbiddenException;
27use OCP\Files\StorageNotAvailableException;
28use OCP\Lock\LockedException;
29use Sabre\DAV\Exception\Forbidden;
30use Sabre\DAV\Exception\ServiceUnavailable as SabreServiceUnavailable;
31
32abstract class AbstractTrashBinNode implements ITrashBinNode {
33
34	/**
35	 * @var FileInfo
36	 */
37	protected $fileInfo;
38	/**
39	 * @var TrashBinManager
40	 */
41	protected $trashBinManager;
42	/**
43	 * @var string
44	 */
45	protected $user;
46
47	public function __construct(
48		string $user,
49		FileInfo $fileInfo,
50		TrashBinManager $trashBinManager
51	) {
52		$this->fileInfo = $fileInfo;
53		$this->trashBinManager = $trashBinManager;
54		$this->user = $user;
55	}
56
57	/**
58	 * Returns the name of the node.
59	 *
60	 * This is used to generate the url.
61	 *
62	 * @return string
63	 */
64	public function getName() {
65		return (string)$this->fileInfo->getId();
66	}
67
68	/**
69	 * Returns the mime-type for a file
70	 *
71	 * If null is returned, we'll assume application/octet-stream
72	 *
73	 * @return string|null
74	 */
75	public function getContentType() {
76		return $this->fileInfo->getMimetype();
77	}
78
79	public function getETag() {
80		return '"' . $this->fileInfo->getEtag() . '"';
81	}
82
83	public function getLastModified() {
84		return $this->fileInfo->getMtime();
85	}
86	public function getSize() {
87		return $this->fileInfo->getSize();
88	}
89
90	public function getOriginalFileName() : string {
91		$path = $this->getPathInTrash();
92		if (\count($path) === 1) {
93			$path = \end($path);
94			$pathInfo = \pathinfo($path);
95			return $pathInfo['filename'];
96		}
97		return \end($path);
98	}
99
100	public function getOriginalLocation() : string {
101		$pathElements = $this->getPathInTrash();
102		$path = $pathElements[0];
103		$pathParts = \pathinfo($path);
104		$timestamp = (int)\substr($pathParts['extension'], 1);
105
106		$pathElements[0] = $pathParts['filename'];
107		$originalPath = \implode('/', $pathElements);
108
109		$location = $this->trashBinManager->getLocation($this->user, $pathParts['filename'], $timestamp);
110		if ($location !== '.') {
111			$originalPath = $location . '/' . $originalPath;
112		}
113
114		return $originalPath;
115	}
116
117	public function getDeleteTimestamp() : int {
118		$path = $this->getPathInTrash();
119		$path = $path[0];
120		$pathParts = \pathinfo($path);
121		return (int)\substr($pathParts['extension'], 1);
122	}
123
124	/**
125	 * @param string $targetLocation
126	 * @return bool
127	 */
128	public function restore(string $targetLocation): bool {
129		try {
130			return $this->trashBinManager->restore($this->user, $this, $targetLocation);
131		} catch (ForbiddenException $ex) {
132			throw new \OCA\DAV\Connector\Sabre\Exception\Forbidden($ex->getMessage(), $ex->getRetry());
133		} catch (LockedException $e) {
134			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
135		} catch (StorageNotAvailableException $e) {
136			throw new SabreServiceUnavailable($e->getMessage());
137		}
138	}
139
140	public function delete() {
141		try {
142			$this->trashBinManager->delete($this->user, $this);
143		} catch (ForbiddenException $ex) {
144			throw new \OCA\DAV\Connector\Sabre\Exception\Forbidden($ex->getMessage(), $ex->getRetry());
145		} catch (LockedException $e) {
146			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
147		} catch (StorageNotAvailableException $e) {
148			throw new SabreServiceUnavailable($e->getMessage());
149		}
150	}
151
152	/**
153	 * @return array
154	 */
155	public function getPathInTrash() {
156		$path = $this->fileInfo->getPath();
157		$path = \explode('/', $path);
158		return \array_splice($path, 4);
159	}
160
161	public function setName($name) {
162		throw new Forbidden('Permission denied to rename this resource');
163	}
164}
165