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
|
<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup FileBackend
*/
/**
* Create a file in the backend with the given content.
* Parameters for this operation are outlined in FileBackend::doOperations().
*/
class CreateFileOp extends FileOp {
protected function allowedParams() {
return [
[ 'content', 'dst' ],
[ 'overwrite', 'overwriteSame', 'headers' ],
[ 'dst' ]
];
}
protected function doPrecheck( array &$predicates ) {
$status = StatusValue::newGood();
// Check if the source data is too big
if ( strlen( $this->getParam( 'content' ) ) > $this->backend->maxFileSizeInternal() ) {
$status->fatal( 'backend-fail-maxsize',
$this->params['dst'], $this->backend->maxFileSizeInternal() );
$status->fatal( 'backend-fail-create', $this->params['dst'] );
return $status;
// Check if a file can be placed/changed at the destination
} elseif ( !$this->backend->isPathUsableInternal( $this->params['dst'] ) ) {
$status->fatal( 'backend-fail-usable', $this->params['dst'] );
$status->fatal( 'backend-fail-create', $this->params['dst'] );
return $status;
}
// Check if destination file exists
$status->merge( $this->precheckDestExistence( $predicates ) );
$this->params['dstExists'] = $this->destExists; // see FileBackendStore::setFileCache()
if ( $status->isOK() ) {
// Update file existence predicates
$predicates['exists'][$this->params['dst']] = true;
$predicates['sha1'][$this->params['dst']] = $this->sourceSha1;
}
return $status; // safe to call attempt()
}
protected function doAttempt() {
if ( !$this->overwriteSameCase ) {
// Create the file at the destination
return $this->backend->createInternal( $this->setFlags( $this->params ) );
}
return StatusValue::newGood();
}
protected function getSourceSha1Base36() {
return Wikimedia\base_convert( sha1( $this->params['content'] ), 16, 36, 31 );
}
public function storagePathsChanged() {
return [ $this->params['dst'] ];
}
}
|
