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<?php
/**
* Print serialized output of MediaWiki config vars
*
* 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 Maintenance
* @author Tim Starling
* @author Antoine Musso
*/
require_once( __DIR__ . '/Maintenance.php' );
/**
* Print serialized output of MediaWiki config vars
*
* @ingroup Maintenance
*/
class GetConfiguration extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Get serialized MediaWiki site configuration";
$this->addOption( 'settings', 'Space-separated list of wg* variables', true, true );
$this->addOption( 'format', 'PHP or JSON', true, true );
$this->addOption( 'wiki', 'Wiki ID', true, true );
}
public function execute() {
$res = array();
foreach ( explode( ' ', $this->getOption( 'settings' ) ) as $name ) {
if ( !preg_match( '/^wg[A-Z]/', $name ) ) {
throw new MWException( "Variable '$name' does start with 'wg'." );
} elseif ( !isset( $GLOBALS[$name] ) ) {
throw new MWException( "Variable '$name' is not set." );
} elseif ( !$this->isAllowedVariable( $GLOBALS[$name] ) ) {
throw new MWException( "Variable '$name' includes non-array, non-scalar, items." );
}
$res[$name] = $GLOBALS[$name];
}
$out = null;
switch( $this->getOption( 'format' ) ) {
case 'PHP':
$out = serialize( $res );
break;
case 'JSON':
$out = FormatJson::encode( $res );
break;
default:
throw new MWException( "Invalid serialization format given." );
}
if ( !is_string( $out ) ) {
throw new MWException( "Failed to serialize the requested settings." );
}
$this->output( $out . "\n" );
}
private function isAllowedVariable( $value ) {
if ( is_array( $value ) ) {
foreach ( $value as $k => $v ) {
if ( !$this->isAllowedVariable( $v ) ) {
return false;
}
}
return true;
} elseif ( is_scalar( $value ) ) {
return true;
}
return false;
}
}
$maintClass = "GetConfiguration";
require_once( RUN_MAINTENANCE_IF_MAIN );
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