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<?php
/**
* Implements Special:Lockdb
*
* 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 SpecialPage
*/
/**
* A form to make the database readonly (eg for maintenance purposes).
*
* @ingroup SpecialPage
*/
class SpecialLockdb extends FormSpecialPage {
var $reason = '';
public function __construct() {
parent::__construct( 'Lockdb', 'siteadmin' );
}
public function requiresWrite() {
return false;
}
public function checkExecutePermissions( User $user ) {
global $wgReadOnlyFile;
parent::checkExecutePermissions( $user );
# If the lock file isn't writable, we can do sweet bugger all
if ( !is_writable( dirname( $wgReadOnlyFile ) ) ) {
throw new ErrorPageError( 'lockdb', 'lockfilenotwritable' );
}
}
protected function getFormFields() {
return array(
'Reason' => array(
'type' => 'textarea',
'rows' => 4,
'vertical-label' => true,
'label-message' => 'enterlockreason',
),
'Confirm' => array(
'type' => 'toggle',
'label-message' => 'lockconfirm',
),
);
}
protected function alterForm( HTMLForm $form ) {
$form->setWrapperLegend( false );
$form->setHeaderText( $this->msg( 'lockdbtext' )->parseAsBlock() );
$form->setSubmitTextMsg( 'lockbtn' );
}
public function onSubmit( array $data ) {
global $wgContLang, $wgReadOnlyFile;
if ( !$data['Confirm'] ) {
return Status::newFatal( 'locknoconfirm' );
}
wfSuppressWarnings();
$fp = fopen( $wgReadOnlyFile, 'w' );
wfRestoreWarnings();
if ( false === $fp ) {
# 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();
fwrite( $fp, "\n<p>" . wfMsgExt(
'lockedbyandtime',
array( 'content', 'parsemag' ),
$this->getUser()->getName(),
$wgContLang->date( $timestamp ),
$wgContLang->time( $timestamp )
) . "</p>\n" );
fclose( $fp );
return Status::newGood();
}
public function onSuccess() {
$out = $this->getOutput();
$out->addSubtitle( $this->msg( 'lockdbsuccesssub' ) );
$out->addWikiMsg( 'lockdbsuccesstext' );
}
}
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