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
139
140
141
142
143
144
145
|
<?php
/**
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Files_Sharing\Propagation;
use OC\Files\Cache\ChangePropagator;
use OC\Files\View;
use OC\Share\Share;
/**
* Propagate etags for share recipients
*/
class RecipientPropagator {
/**
* @var string
*/
protected $userId;
/**
* @var \OC\Files\Cache\ChangePropagator
*/
protected $changePropagator;
/**
* @var \OCP\IConfig
*/
protected $config;
/**
* @var PropagationManager
*/
private $manager;
/**
* @param string $userId current user, must match the propagator's
* user
* @param \OC\Files\Cache\ChangePropagator $changePropagator change propagator
* initialized with a view for $user
* @param \OCP\IConfig $config
* @param PropagationManager $manager
*/
public function __construct($userId, $changePropagator, $config, PropagationManager $manager) {
$this->userId = $userId;
$this->changePropagator = $changePropagator;
$this->config = $config;
$this->manager = $manager;
}
/**
* Propagate the etag changes for all shares marked as dirty and mark the shares as clean
*
* @param array $shares the shares for the users
* @param int $time
*/
public function propagateDirtyMountPoints(array $shares, $time = null) {
if ($time === null) {
$time = microtime(true);
}
$dirtyShares = $this->getDirtyShares($shares);
foreach ($dirtyShares as $share) {
$this->changePropagator->addChange($share['file_target']);
}
if (count($dirtyShares)) {
$this->config->setUserValue($this->userId, 'files_sharing', 'last_propagate', $time);
$this->changePropagator->propagateChanges(floor($time));
}
}
/**
* Get all shares we need to update the etag for
*
* @param array $shares the shares for the users
* @return string[]
*/
protected function getDirtyShares($shares) {
$dirty = [];
$userTime = $this->config->getUserValue($this->userId, 'files_sharing', 'last_propagate', 0);
foreach ($shares as $share) {
$updateTime = $this->config->getAppValue('files_sharing', $share['id'], 0);
if ($updateTime >= $userTime) {
$dirty[] = $share;
}
}
return $dirty;
}
/**
* @param array $share
* @param int $time
*/
public function markDirty($share, $time = null) {
if ($time === null) {
$time = microtime(true);
}
$this->config->setAppValue('files_sharing', $share['id'], $time);
}
/**
* Listen on the propagator for updates made to shares owned by a user
*
* @param \OC\Files\Cache\ChangePropagator $propagator
* @param string $owner
*/
public function attachToPropagator(ChangePropagator $propagator, $owner) {
$propagator->listen('\OC\Files', 'propagate', function ($path, $entry) use ($owner) {
$this->propagateById($entry['fileid']);
});
}
public function propagateById($id) {
$shares = Share::getAllSharesForFileId($id);
foreach ($shares as $share) {
// propagate down the share tree
$this->markDirty($share, microtime(true));
// propagate up the share tree
if ($share['share_with'] === $this->userId) {
$user = $share['uid_owner'];
$view = new View('/' . $user . '/files');
$path = $view->getPath($share['file_source']);
$watcher = new ChangeWatcher($view, $this->manager->getSharePropagator($user));
$watcher->writeHook(['path' => $path]);
}
}
}
}
|
