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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Robin Appelman <robin@icewind.nl>
* @author Robin McCorkell <robin@mccorkell.me.uk>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @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_External\Service;
use OCA\Files_External\Lib\StorageConfig;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\Files\Config\IUserMountCache;
use OCP\IGroupManager;
use OCP\IUser;
use OCP\IUserSession;
/**
* Service class to read global storages applicable to the user
* Read-only access available, attempting to write will throw DomainException
*/
class UserGlobalStoragesService extends GlobalStoragesService {
use UserTrait;
/** @var IGroupManager */
protected $groupManager;
/**
* @param BackendService $backendService
* @param DBConfigService $dbConfig
* @param IUserSession $userSession
* @param IGroupManager $groupManager
* @param IUserMountCache $userMountCache
* @param IEventDispatcher $eventDispatcher
*/
public function __construct(
BackendService $backendService,
DBConfigService $dbConfig,
IUserSession $userSession,
IGroupManager $groupManager,
IUserMountCache $userMountCache,
IEventDispatcher $eventDispatcher
) {
parent::__construct($backendService, $dbConfig, $userMountCache, $eventDispatcher);
$this->userSession = $userSession;
$this->groupManager = $groupManager;
}
/**
* Replace config hash ID with real IDs, for migrating legacy storages
*
* @param StorageConfig[] $storages Storages with real IDs
* @param StorageConfig[] $storagesWithConfigHash Storages with config hash IDs
*/
protected function setRealStorageIds(array &$storages, array $storagesWithConfigHash) {
// as a read-only view, storage IDs don't need to be real
foreach ($storagesWithConfigHash as $storage) {
$storages[$storage->getId()] = $storage;
}
}
protected function readDBConfig() {
$userMounts = $this->dbConfig->getAdminMountsFor(DBConfigService::APPLICABLE_TYPE_USER, $this->getUser()->getUID());
$globalMounts = $this->dbConfig->getAdminMountsFor(DBConfigService::APPLICABLE_TYPE_GLOBAL, null);
$groups = $this->groupManager->getUserGroupIds($this->getUser());
if (count($groups) !== 0) {
$groupMounts = $this->dbConfig->getAdminMountsForMultiple(DBConfigService::APPLICABLE_TYPE_GROUP, $groups);
} else {
$groupMounts = [];
}
return array_merge($userMounts, $groupMounts, $globalMounts);
}
public function addStorage(StorageConfig $newStorage) {
throw new \DomainException('UserGlobalStoragesService writing disallowed');
}
public function updateStorage(StorageConfig $updatedStorage) {
throw new \DomainException('UserGlobalStoragesService writing disallowed');
}
/**
* @param integer $id
*/
public function removeStorage($id) {
throw new \DomainException('UserGlobalStoragesService writing disallowed');
}
/**
* Get unique storages, in case two are defined with the same mountpoint
* Higher priority storages take precedence
*
* @return StorageConfig[]
*/
public function getUniqueStorages() {
$storages = $this->getStorages();
$storagesByMountpoint = [];
foreach ($storages as $storage) {
$storagesByMountpoint[$storage->getMountPoint()][] = $storage;
}
$result = [];
foreach ($storagesByMountpoint as $storageList) {
$storage = array_reduce($storageList, function ($carry, $item) {
if (isset($carry)) {
$carryPriorityType = $this->getPriorityType($carry);
$itemPriorityType = $this->getPriorityType($item);
if ($carryPriorityType > $itemPriorityType) {
return $carry;
} elseif ($carryPriorityType === $itemPriorityType) {
if ($carry->getPriority() > $item->getPriority()) {
return $carry;
}
}
}
return $item;
});
$result[$storage->getID()] = $storage;
}
return $result;
}
/**
* Get a priority 'type', where a bigger number means higher priority
* user applicable > group applicable > 'all'
*
* @param StorageConfig $storage
* @return int
*/
protected function getPriorityType(StorageConfig $storage) {
$applicableUsers = $storage->getApplicableUsers();
$applicableGroups = $storage->getApplicableGroups();
if ($applicableUsers && $applicableUsers[0] !== 'all') {
return 2;
}
if ($applicableGroups) {
return 1;
}
return 0;
}
protected function isApplicable(StorageConfig $config) {
$applicableUsers = $config->getApplicableUsers();
$applicableGroups = $config->getApplicableGroups();
if (count($applicableUsers) === 0 && count($applicableGroups) === 0) {
return true;
}
if (in_array($this->getUser()->getUID(), $applicableUsers, true)) {
return true;
}
$groupIds = $this->groupManager->getUserGroupIds($this->getUser());
foreach ($groupIds as $groupId) {
if (in_array($groupId, $applicableGroups, true)) {
return true;
}
}
return false;
}
/**
* Gets all storages for the user, admin, personal, global, etc
*
* @param IUser|null $user user to get the storages for, if not set the currently logged in user will be used
* @return StorageConfig[] array of storage configs
*/
public function getAllStoragesForUser(IUser $user = null) {
if (is_null($user)) {
$user = $this->getUser();
}
if (is_null($user)) {
return [];
}
$groupIds = $this->groupManager->getUserGroupIds($user);
$mounts = $this->dbConfig->getMountsForUser($user->getUID(), $groupIds);
$configs = array_map([$this, 'getStorageConfigFromDBMount'], $mounts);
$configs = array_filter($configs, function ($config) {
return $config instanceof StorageConfig;
});
$keys = array_map(function (StorageConfig $config) {
return $config->getId();
}, $configs);
$storages = array_combine($keys, $configs);
return array_filter($storages, [$this, 'validateStorage']);
}
}
|
