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1 | <?php |
2 | /** |
3 | * This program is free software; you can redistribute it and/or modify |
4 | * it under the terms of the GNU General Public License as published by |
5 | * the Free Software Foundation; either version 2 of the License, or |
6 | * (at your option) any later version. |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
16 | * http://www.gnu.org/copyleft/gpl.html |
17 | * |
18 | * @file |
19 | */ |
20 | |
21 | namespace MediaWiki\EditPage\Constraint; |
22 | |
23 | use InvalidArgumentException; |
24 | use StatusValue; |
25 | |
26 | /** |
27 | * Verify the page isn't larger than the maximum |
28 | * |
29 | * This is used for both checking the size //before// merging the edit, and checking the size |
30 | * //after// applying the edit, and the result codes they return are different. |
31 | * |
32 | * @since 1.36 |
33 | * @internal |
34 | * @author DannyS712 |
35 | */ |
36 | class PageSizeConstraint implements IEditConstraint { |
37 | |
38 | /** |
39 | * Same constraint is used for two different errors, use these |
40 | * to specify which one should be used |
41 | */ |
42 | public const BEFORE_MERGE = 'check-before-edit-merge'; |
43 | public const AFTER_MERGE = 'check-after-edit-merge'; |
44 | |
45 | /** @var int */ |
46 | private $contentSize; |
47 | |
48 | /** @var int */ |
49 | private $maxSize; |
50 | |
51 | /** @var int */ |
52 | private $errorCode; |
53 | |
54 | /** @var string */ |
55 | private $type; |
56 | |
57 | /** |
58 | * @param int $maxSize In kibibytes, from $wgMaxArticleSize |
59 | * @param int $contentSize |
60 | * @param string $type |
61 | */ |
62 | public function __construct( |
63 | int $maxSize, |
64 | int $contentSize, |
65 | string $type |
66 | ) { |
67 | $this->maxSize = $maxSize * 1024; // Convert from kibibytes |
68 | $this->contentSize = $contentSize; |
69 | |
70 | if ( $type === self::BEFORE_MERGE ) { |
71 | $this->errorCode = self::AS_CONTENT_TOO_BIG; |
72 | } elseif ( $type === self::AFTER_MERGE ) { |
73 | $this->errorCode = self::AS_MAX_ARTICLE_SIZE_EXCEEDED; |
74 | } else { |
75 | throw new InvalidArgumentException( "Invalid type: $type" ); |
76 | } |
77 | |
78 | $this->type = $type; |
79 | } |
80 | |
81 | public function checkConstraint(): string { |
82 | return $this->contentSize > $this->maxSize ? |
83 | self::CONSTRAINT_FAILED : |
84 | self::CONSTRAINT_PASSED; |
85 | } |
86 | |
87 | public function getLegacyStatus(): StatusValue { |
88 | $statusValue = StatusValue::newGood(); |
89 | if ( $this->contentSize > $this->maxSize ) { |
90 | // Either self::AS_CONTENT_TOO_BIG, if it was too big before merging, |
91 | // or self::AS_MAX_ARTICLE_SIZE_EXCEEDED, if it was too big after merging |
92 | $statusValue->setResult( false, $this->errorCode ); |
93 | } |
94 | return $statusValue; |
95 | } |
96 | |
97 | /** |
98 | * Get the type, so that the two different uses of this constraint can be told |
99 | * apart in debug logs. |
100 | * @internal |
101 | * @codeCoverageIgnore |
102 | * @return string |
103 | */ |
104 | public function getType(): string { |
105 | return $this->type; |
106 | } |
107 | |
108 | } |