1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
*
* @author Joas Schilling <coding@schilljs.com>
* @author Julius Härtl <jus@bitgrid.net>
*
* @license GNU AGPL version 3 or any later version
*
* 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/>.
*
*/
namespace OCA\Files\Collaboration\Resources;
use OCP\Collaboration\Resources\IProvider;
use OCP\Collaboration\Resources\IResource;
use OCP\Collaboration\Resources\ResourceException;
use OCP\Files\IRootFolder;
use OCP\Files\Node;
use OCP\IPreview;
use OCP\IURLGenerator;
use OCP\IUser;
class ResourceProvider implements IProvider {
public const RESOURCE_TYPE = 'file';
/** @var IRootFolder */
protected $rootFolder;
/** @var IPreview */
private $preview;
/** @var IURLGenerator */
private $urlGenerator;
/** @var array */
protected $nodes = [];
public function __construct(IRootFolder $rootFolder,
IPreview $preview,
IURLGenerator $urlGenerator) {
$this->rootFolder = $rootFolder;
$this->preview = $preview;
$this->urlGenerator = $urlGenerator;
}
private function getNode(IResource $resource): ?Node {
if (isset($this->nodes[(int) $resource->getId()])) {
return $this->nodes[(int) $resource->getId()];
}
$nodes = $this->rootFolder->getById((int) $resource->getId());
if (!empty($nodes)) {
$this->nodes[(int) $resource->getId()] = array_shift($nodes);
return $this->nodes[(int) $resource->getId()];
}
return null;
}
/**
* @param IResource $resource
* @return array
* @since 16.0.0
*/
public function getResourceRichObject(IResource $resource): array {
if (isset($this->nodes[(int) $resource->getId()])) {
$node = $this->nodes[(int) $resource->getId()]->getPath();
} else {
$node = $this->getNode($resource);
}
if ($node instanceof Node) {
$link = $this->urlGenerator->linkToRouteAbsolute(
'files.viewcontroller.showFile',
['fileid' => $resource->getId()]
);
return [
'type' => 'file',
'id' => $resource->getId(),
'name' => $node->getName(),
'path' => $node->getInternalPath(),
'link' => $link,
'mimetype' => $node->getMimetype(),
'preview-available' => $this->preview->isAvailable($node),
];
}
throw new ResourceException('File not found');
}
/**
* Can a user/guest access the collection
*
* @param IResource $resource
* @param IUser $user
* @return bool
* @since 16.0.0
*/
public function canAccessResource(IResource $resource, IUser $user = null): bool {
if (!$user instanceof IUser) {
return false;
}
$userFolder = $this->rootFolder->getUserFolder($user->getUID());
$nodes = $userFolder->getById((int) $resource->getId());
if (!empty($nodes)) {
$this->nodes[(int) $resource->getId()] = array_shift($nodes);
return true;
}
return false;
}
/**
* Get the resource type of the provider
*
* @return string
* @since 16.0.0
*/
public function getType(): string {
return self::RESOURCE_TYPE;
}
}
|