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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
|
<?php
/**
* @author Bart Visscher <bartv@thisnet.nl>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author martin.mattel@diemattels.at <martin.mattel@diemattels.at>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @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\Core\Command\Base;
use OC\ForbiddenException;
use OCP\Files\StorageNotAvailableException;
use OCP\IUserManager;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Helper\Table;
class Scan extends Base {
/** @var IUserManager $userManager */
private $userManager;
/** @var float */
protected $execTime = 0;
/** @var int */
protected $foldersCounter = 0;
/** @var int */
protected $filesCounter = 0;
public function __construct(IUserManager $userManager) {
$this->userManager = $userManager;
parent::__construct();
}
protected function configure() {
parent::configure();
$this
->setName('files:scan')
->setDescription('rescan filesystem')
->addArgument(
'user_id',
InputArgument::OPTIONAL | InputArgument::IS_ARRAY,
'will rescan all files of the given user(s)'
)
->addOption(
'path',
'p',
InputArgument::OPTIONAL,
'limit rescan to this path, eg. --path="/alice/files/Music", the user_id is determined by the path and the user_id parameter and --all are ignored'
)
->addOption(
'quiet',
'q',
InputOption::VALUE_NONE,
'suppress any output'
)
->addOption(
'verbose',
'-v|vv|vvv',
InputOption::VALUE_NONE,
'verbose the output'
)
->addOption(
'all',
null,
InputOption::VALUE_NONE,
'will rescan all files of all known users'
);
}
protected function scanFiles($user, $path, $verbose, OutputInterface $output) {
$scanner = new \OC\Files\Utils\Scanner($user, \OC::$server->getDatabaseConnection(), \OC::$server->getLogger());
# check on each file/folder if there was a user interrupt (ctrl-c) and throw an exception
# printout and count
if ($verbose) {
$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function ($path) use ($output) {
$output->writeln("\tFile <info>$path</info>");
$this->filesCounter += 1;
if ($this->hasBeenInterrupted()) {
throw new \Exception('ctrl-c');
}
});
$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function ($path) use ($output) {
$output->writeln("\tFolder <info>$path</info>");
$this->foldersCounter += 1;
if ($this->hasBeenInterrupted()) {
throw new \Exception('ctrl-c');
}
});
$scanner->listen('\OC\Files\Utils\Scanner', 'StorageNotAvailable', function (StorageNotAvailableException $e) use ($output) {
$output->writeln("Error while scanning, storage not available (" . $e->getMessage() . ")");
});
# count only
} else {
$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function () use ($output) {
$this->filesCounter += 1;
if ($this->hasBeenInterrupted()) {
throw new \Exception('ctrl-c');
}
});
$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function () use ($output) {
$this->foldersCounter += 1;
if ($this->hasBeenInterrupted()) {
throw new \Exception('ctrl-c');
}
});
}
try {
$scanner->scan($path);
} catch (ForbiddenException $e) {
$output->writeln("<error>Home storage for user $user not writable</error>");
$output->writeln("Make sure you're running the scan command only as the user the web server runs as");
} catch (\Exception $e) {
# exit the function if ctrl-c has been pressed
return;
}
}
protected function execute(InputInterface $input, OutputInterface $output) {
$inputPath = $input->getOption('path');
if ($inputPath) {
$inputPath = '/' . trim($inputPath, '/');
list (, $user,) = explode('/', $inputPath, 3);
$users = array($user);
} else if ($input->getOption('all')) {
$users = $this->userManager->search('');
} else {
$users = $input->getArgument('user_id');
}
# no messaging level option means: no full printout but statistics
# $quiet means no print at all
# $verbose means full printout including statistics
# -q -v full stat
# 0 0 no yes
# 0 1 yes yes
# 1 -- no no (quiet overrules verbose)
$verbose = $input->getOption('verbose');
$quiet = $input->getOption('quiet');
# restrict the verbosity level to VERBOSITY_VERBOSE
if ($output->getVerbosity()>OutputInterface::VERBOSITY_VERBOSE) {
$output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
}
if ($quiet) {
$verbose = false;
}
# check quantity of users to be process and show it on the command line
$users_total = count($users);
if ($users_total === 0) {
$output->writeln("<error>Please specify the user id to scan, \"--all\" to scan for all users or \"--path=...\"</error>");
return;
} else {
if ($users_total > 1) {
$output->writeln("\nScanning files for $users_total users");
}
}
$this->initTools();
$user_count = 0;
foreach ($users as $user) {
if (is_object($user)) {
$user = $user->getUID();
}
$path = $inputPath ? $inputPath : '/' . $user;
$user_count += 1;
if ($this->userManager->userExists($user)) {
# add an extra line when verbose is set to optical separate users
if ($verbose) {$output->writeln(""); }
$output->writeln("Starting scan for user $user_count out of $users_total ($user)");
# full: printout data if $verbose was set
$this->scanFiles($user, $path, $verbose, $output);
} else {
$output->writeln("<error>Unknown user $user_count $user</error>");
}
# check on each user if there was a user interrupt (ctrl-c) and exit foreach
if ($this->hasBeenInterrupted()) {
break;
}
}
# stat: printout statistics if $quiet was not set
if (!$quiet) {
$this->presentStats($output);
}
}
/**
* Initialises some useful tools for the Command
*/
protected function initTools() {
// Start the timer
$this->execTime = -microtime(true);
// Convert PHP errors to exceptions
set_error_handler([$this, 'exceptionErrorHandler'], E_ALL);
}
/**
* Processes PHP errors as exceptions in order to be able to keep track of problems
*
* @see https://secure.php.net/manual/en/function.set-error-handler.php
*
* @param int $severity the level of the error raised
* @param string $message
* @param string $file the filename that the error was raised in
* @param int $line the line number the error was raised
*
* @throws \ErrorException
*/
public function exceptionErrorHandler($severity, $message, $file, $line) {
if (!(error_reporting() & $severity)) {
// This error code is not included in error_reporting
return;
}
throw new \ErrorException($message, 0, $severity, $file, $line);
}
/**
* @param OutputInterface $output
*/
protected function presentStats(OutputInterface $output) {
// Stop the timer
$this->execTime += microtime(true);
$output->writeln("");
$headers = [
'Folders', 'Files', 'Elapsed time'
];
$this->showSummary($headers, null, $output);
}
/**
* Shows a summary of operations
*
* @param string[] $headers
* @param string[] $rows
* @param OutputInterface $output
*/
protected function showSummary($headers, $rows, OutputInterface $output) {
$niceDate = $this->formatExecTime();
if (!$rows) {
$rows = [
$this->foldersCounter,
$this->filesCounter,
$niceDate,
];
}
$table = new Table($output);
$table
->setHeaders($headers)
->setRows([$rows]);
$table->render();
}
/**
* Formats microtime into a human readable format
*
* @return string
*/
protected function formatExecTime() {
list($secs, $tens) = explode('.', sprintf("%.1f", ($this->execTime)));
# if you want to have microseconds add this: . '.' . $tens;
return date('H:i:s', $secs);
}
}
|