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| 1 | <?php |
| 2 | /** |
| 3 | * @license GPL-2.0-or-later |
| 4 | * @file |
| 5 | */ |
| 6 | |
| 7 | namespace MediaWiki\Specials; |
| 8 | |
| 9 | use MediaWiki\Exception\ErrorPageError; |
| 10 | use MediaWiki\HTMLForm\HTMLForm; |
| 11 | use MediaWiki\MainConfigNames; |
| 12 | use MediaWiki\SpecialPage\FormSpecialPage; |
| 13 | use MediaWiki\Status\Status; |
| 14 | use MediaWiki\User\User; |
| 15 | |
| 16 | /** |
| 17 | * A form to make the database read-only (eg for maintenance purposes). |
| 18 | * |
| 19 | * See also @ref $wgReadOnlyFile. |
| 20 | * |
| 21 | * @ingroup SpecialPage |
| 22 | */ |
| 23 | class SpecialLockdb extends FormSpecialPage { |
| 24 | |
| 25 | public function __construct() { |
| 26 | parent::__construct( 'Lockdb', 'siteadmin' ); |
| 27 | } |
| 28 | |
| 29 | /** @inheritDoc */ |
| 30 | public function doesWrites() { |
| 31 | return false; |
| 32 | } |
| 33 | |
| 34 | /** @inheritDoc */ |
| 35 | public function requiresWrite() { |
| 36 | return false; |
| 37 | } |
| 38 | |
| 39 | public function checkExecutePermissions( User $user ) { |
| 40 | parent::checkExecutePermissions( $user ); |
| 41 | # If the lock file isn't writable, we can do sweet bugger all |
| 42 | if ( !is_writable( dirname( $this->getConfig()->get( MainConfigNames::ReadOnlyFile ) ) ) ) { |
| 43 | throw new ErrorPageError( 'lockdb', 'lockfilenotwritable' ); |
| 44 | } |
| 45 | if ( file_exists( $this->getConfig()->get( MainConfigNames::ReadOnlyFile ) ) ) { |
| 46 | throw new ErrorPageError( 'lockdb', 'databaselocked' ); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | /** @inheritDoc */ |
| 51 | protected function getFormFields() { |
| 52 | return [ |
| 53 | 'Reason' => [ |
| 54 | 'type' => 'textarea', |
| 55 | 'rows' => 4, |
| 56 | 'label-message' => 'enterlockreason', |
| 57 | ], |
| 58 | 'Confirm' => [ |
| 59 | 'type' => 'toggle', |
| 60 | 'label-message' => 'lockconfirm', |
| 61 | ], |
| 62 | ]; |
| 63 | } |
| 64 | |
| 65 | protected function alterForm( HTMLForm $form ) { |
| 66 | $form->setWrapperLegend( false ) |
| 67 | ->setHeaderHtml( $this->msg( 'lockdbtext' )->parseAsBlock() ) |
| 68 | ->setSubmitTextMsg( 'lockbtn' ); |
| 69 | } |
| 70 | |
| 71 | /** @inheritDoc */ |
| 72 | public function onSubmit( array $data ) { |
| 73 | if ( !$data['Confirm'] ) { |
| 74 | return Status::newFatal( 'locknoconfirm' ); |
| 75 | } |
| 76 | |
| 77 | // phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged |
| 78 | $fp = @fopen( $this->getConfig()->get( MainConfigNames::ReadOnlyFile ), 'w' ); |
| 79 | |
| 80 | if ( $fp === false ) { |
| 81 | # This used to show a file not found error, but the likeliest reason for fopen() |
| 82 | # to fail at this point is insufficient permission to write to the file...good old |
| 83 | # is_writable() is plain wrong in some cases, it seems... |
| 84 | return Status::newFatal( 'lockfilenotwritable' ); |
| 85 | } |
| 86 | fwrite( $fp, $data['Reason'] ); |
| 87 | $timestamp = wfTimestampNow(); |
| 88 | $contLang = $this->getContentLanguage(); |
| 89 | fwrite( $fp, "\n<p>" . $this->msg( 'lockedbyandtime', |
| 90 | $this->getUser()->getName(), |
| 91 | $contLang->date( $timestamp, false, false ), |
| 92 | $contLang->time( $timestamp, false, false ) |
| 93 | )->inContentLanguage()->text() . "</p>\n" ); |
| 94 | fclose( $fp ); |
| 95 | |
| 96 | return Status::newGood(); |
| 97 | } |
| 98 | |
| 99 | public function onSuccess() { |
| 100 | $out = $this->getOutput(); |
| 101 | $out->addSubtitle( $this->msg( 'lockdbsuccesssub' ) ); |
| 102 | $out->addWikiMsg( 'lockdbsuccesstext' ); |
| 103 | } |
| 104 | |
| 105 | /** @inheritDoc */ |
| 106 | protected function getDisplayFormat() { |
| 107 | return 'ooui'; |
| 108 | } |
| 109 | |
| 110 | /** @inheritDoc */ |
| 111 | protected function getGroupName() { |
| 112 | return 'wiki'; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | /** @deprecated class alias since 1.41 */ |
| 117 | class_alias( SpecialLockdb::class, 'SpecialLockdb' ); |