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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
*/
/**
* An error page which can definitely be safely rendered using the OutputPage.
*
* @newable
* @stable for subclassing
*
* @since 1.7
* @ingroup Exception
*/
class ErrorPageError extends MWException implements ILocalizedException {
public const SEND_OUTPUT = 0;
public const STAGE_OUTPUT = 1;
public $title, $msg, $params;
/**
* Note: these arguments are keys into wfMessage(), not text!
*
* @stable for calling
*
* @param string|Message $title Message key (string) for page title, or a Message object
* @param string|Message $msg Message key (string) for error text, or a Message object
* @param array $params Array with parameters to wfMessage()
*/
public function __construct( $title, $msg, $params = [] ) {
$this->title = $title;
$this->msg = $msg;
$this->params = $params;
// T46111: Messages in the log files should be in English and not
// customized by the local wiki. So get the default English version for
// passing to the parent constructor. Our overridden report() below
// makes sure that the page shown to the user is not forced to English.
$enMsg = $this->getMessageObject();
$enMsg->inLanguage( 'en' )->useDatabase( false );
parent::__construct( $enMsg->text() );
}
/**
* Return a Message object for this exception
* @since 1.29
* @return Message
*/
public function getMessageObject() {
if ( $this->msg instanceof Message ) {
return clone $this->msg;
}
return wfMessage( $this->msg, $this->params );
}
/**
* @stable for overriding
* @param int $action
*
* @throws FatalError
* @throws MWException
*/
public function report( $action = self::SEND_OUTPUT ) {
if ( self::isCommandLine() || defined( 'MW_API' ) ) {
parent::report();
} else {
global $wgOut;
$wgOut->showErrorPage( $this->title, $this->msg, $this->params );
// Allow skipping of the final output step, so that web-based page views
// from MediaWiki.php, can inspect the staged OutputPage state, and perform
// graceful shutdown via doPreOutputCommit first, just like for regular
// output when there isn't an error page.
if ( $action === self::SEND_OUTPUT ) {
$wgOut->output();
}
}
}
}
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