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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
<?php
/**
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2016, 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\Command;
use OC\Files\Filesystem;
use OC\Files\View;
use OCP\Files\FileInfo;
use OCP\Files\Folder;
use OCP\IUserManager;
use OCP\Share\IManager;
use OCP\Share\IShare;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Helper\ProgressBar;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
class TransferOwnership extends Command {
/** @var IUserManager $userManager */
private $userManager;
/** @var IManager */
private $shareManager;
/** @var FileInfo[] */
private $allFiles = [];
/** @var FileInfo[] */
private $encryptedFiles = [];
/** @var IShare[] */
private $shares = [];
/** @var string */
private $sourceUser;
/** @var string */
private $destinationUser;
/** @var string */
private $finalTarget;
public function __construct(IUserManager $userManager, IManager $shareManager) {
$this->userManager = $userManager;
$this->shareManager = $shareManager;
parent::__construct();
}
protected function configure() {
$this
->setName('files:transfer-ownership')
->setDescription('All files and folders are move to another user - shares are moved as well.')
->addArgument(
'source-user',
InputArgument::REQUIRED,
'owner of files which shall be moved'
)
->addArgument(
'destination-user',
InputArgument::REQUIRED,
'user who will be the new owner of the files'
);
}
protected function execute(InputInterface $input, OutputInterface $output) {
$this->sourceUser = $input->getArgument('source-user');
$this->destinationUser = $input->getArgument('destination-user');
if (!$this->userManager->userExists($this->sourceUser)) {
$output->writeln("<error>Unknown source user $this->sourceUser</error>");
return;
}
if (!$this->userManager->userExists($this->destinationUser)) {
$output->writeln("<error>Unknown destination user $this->destinationUser</error>");
return;
}
$date = date('c');
$this->finalTarget = "$this->destinationUser/files/transferred from $this->sourceUser on $date";
// setup filesystem
Filesystem::initMountPoints($this->sourceUser);
Filesystem::initMountPoints($this->destinationUser);
// analyse source folder
$this->analyse($output);
// collect all the shares
$this->collectUsersShares($output);
// transfer the files
$this->transfer($output);
// restore the shares
$this->restoreShares($output);
}
private function walkFiles(View $view, $path, \Closure $callBack) {
foreach ($view->getDirectoryContent($path) as $fileInfo) {
if (!$callBack($fileInfo)) {
return;
}
if ($fileInfo->getType() === FileInfo::TYPE_FOLDER) {
$this->walkFiles($view, $fileInfo->getPath(), $callBack);
}
}
}
/**
* @param OutputInterface $output
* @throws \Exception
*/
protected function analyse(OutputInterface $output) {
$view = new View();
$output->writeln("Analysing files of $this->sourceUser ...");
$progress = new ProgressBar($output);
$progress->start();
$self = $this;
$this->walkFiles($view, "$this->sourceUser/files",
function (FileInfo $fileInfo) use ($progress, $self) {
if ($fileInfo->getType() === FileInfo::TYPE_FOLDER) {
return true;
}
$progress->advance();
$this->allFiles[] = $fileInfo;
if ($fileInfo->isEncrypted()) {
$this->encryptedFiles[] = $fileInfo;
}
return true;
});
$progress->finish();
$output->writeln('');
// no file is allowed to be encrypted
if (!empty($this->encryptedFiles)) {
$output->writeln("<error>Some files are encrypted - please decrypt them first</error>");
foreach($this->encryptedFiles as $encryptedFile) {
/** @var FileInfo $encryptedFile */
$output->writeln(" " . $encryptedFile->getPath());
}
throw new \Exception('Execution terminated.');
}
}
/**
* @param OutputInterface $output
*/
private function collectUsersShares(OutputInterface $output) {
$output->writeln("Collecting all share information for files and folder of $this->sourceUser ...");
$progress = new ProgressBar($output, count($this->shares));
foreach([\OCP\Share::SHARE_TYPE_USER, \OCP\Share::SHARE_TYPE_GROUP, \OCP\Share::SHARE_TYPE_LINK, \OCP\Share::SHARE_TYPE_REMOTE] as $shareType) {
$offset = 0;
while (true) {
$sharePage = $this->shareManager->getSharesBy($this->sourceUser, $shareType, null, true, 50, $offset);
$progress->advance(count($sharePage));
if (empty($sharePage)) {
break;
}
$this->shares = array_merge($this->shares, $sharePage);
$offset += 50;
}
}
$progress->finish();
$output->writeln('');
}
/**
* @param OutputInterface $output
*/
protected function transfer(OutputInterface $output) {
$view = new View();
$output->writeln("Transferring files to $this->finalTarget ...");
$view->rename("$this->sourceUser/files", $this->finalTarget);
// because the files folder is moved away we need to recreate it
$view->mkdir("$this->sourceUser/files");
}
/**
* @param OutputInterface $output
*/
private function restoreShares(OutputInterface $output) {
$output->writeln("Restoring shares ...");
$progress = new ProgressBar($output, count($this->shares));
foreach($this->shares as $share) {
if ($share->getSharedWith() === $this->destinationUser) {
$this->shareManager->deleteShare($share);
} else {
if ($share->getShareOwner() === $this->sourceUser) {
$share->setShareOwner($this->destinationUser);
}
if ($share->getSharedBy() === $this->sourceUser) {
$share->setSharedBy($this->destinationUser);
}
$this->shareManager->updateShare($share);
}
$progress->advance();
}
$progress->finish();
$output->writeln('');
}
}
|
