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SpecialLockdb.php
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SpecialLockdb.php
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<?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
*/
namespace MediaWiki\Specials;
use ErrorPageError;
use MediaWiki\HTMLForm\HTMLForm;
use MediaWiki\MainConfigNames;
use MediaWiki\SpecialPage\FormSpecialPage;
use MediaWiki\Status\Status;
use MediaWiki\User\User;
use Wikimedia\AtEase\AtEase;
/**
* A form to make the database read-only (eg for maintenance purposes).
*
* See also @ref $wgReadOnlyFile.
*
* @ingroup SpecialPage
*/
class SpecialLockdb extends FormSpecialPage {
public function __construct() {
parent::__construct( 'Lockdb', 'siteadmin' );
}
public function doesWrites() {
return false;
}
public function requiresWrite() {
return false;
}
public function checkExecutePermissions( User $user ) {
parent::checkExecutePermissions( $user );
# If the lock file isn't writable, we can do sweet bugger all
if ( !is_writable( dirname( $this->getConfig()->get( MainConfigNames::ReadOnlyFile ) ) ) ) {
throw new ErrorPageError( 'lockdb', 'lockfilenotwritable' );
}
if ( file_exists( $this->getConfig()->get( MainConfigNames::ReadOnlyFile ) ) ) {
throw new ErrorPageError( 'lockdb', 'databaselocked' );
}
}
protected function getFormFields() {
return [
'Reason' => [
'type' => 'textarea',
'rows' => 4,
'label-message' => 'enterlockreason',
],
'Confirm' => [
'type' => 'toggle',
'label-message' => 'lockconfirm',
],
];
}
protected function alterForm( HTMLForm $form ) {
$form->setWrapperLegend( false )
->setHeaderHtml( $this->msg( 'lockdbtext' )->parseAsBlock() )
->setSubmitTextMsg( 'lockbtn' );
}
public function onSubmit( array $data ) {
if ( !$data['Confirm'] ) {
return Status::newFatal( 'locknoconfirm' );
}
AtEase::suppressWarnings();
$fp = fopen( $this->getConfig()->get( MainConfigNames::ReadOnlyFile ), 'w' );
AtEase::restoreWarnings();
if ( $fp === false ) {
# This used to show a file not found error, but the likeliest reason for fopen()
# to fail at this point is insufficient permission to write to the file...good old
# is_writable() is plain wrong in some cases, it seems...
return Status::newFatal( 'lockfilenotwritable' );
}
fwrite( $fp, $data['Reason'] );
$timestamp = wfTimestampNow();
$contLang = $this->getContentLanguage();
fwrite( $fp, "\n<p>" . $this->msg( 'lockedbyandtime',
$this->getUser()->getName(),
$contLang->date( $timestamp, false, false ),
$contLang->time( $timestamp, false, false )
)->inContentLanguage()->text() . "</p>\n" );
fclose( $fp );
return Status::newGood();
}
public function onSuccess() {
$out = $this->getOutput();
$out->addSubtitle( $this->msg( 'lockdbsuccesssub' ) );
$out->addWikiMsg( 'lockdbsuccesstext' );
}
protected function getDisplayFormat() {
return 'ooui';
}
protected function getGroupName() {
return 'wiki';
}
}
/** @deprecated class alias since 1.41 */
class_alias( SpecialLockdb::class, 'SpecialLockdb' );

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Tue, Aug 18, 16:40 (3 w, 4 d ago)
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SpecialLockdb.php (3 KB)

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