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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | use MediaWiki\Message\Message; |
| 22 | use Wikimedia\Message\MessageSpecifier; |
| 23 | |
| 24 | /** |
| 25 | * An error page which can definitely be safely rendered using the OutputPage. |
| 26 | * |
| 27 | * @newable |
| 28 | * @stable to extend |
| 29 | * |
| 30 | * @since 1.7 |
| 31 | * @ingroup Exception |
| 32 | */ |
| 33 | class ErrorPageError extends MWException implements ILocalizedException { |
| 34 | public const SEND_OUTPUT = 0; |
| 35 | public const STAGE_OUTPUT = 1; |
| 36 | |
| 37 | /** @var string|MessageSpecifier */ |
| 38 | public $title; |
| 39 | /** @var string|MessageSpecifier */ |
| 40 | public $msg; |
| 41 | public array $params; |
| 42 | |
| 43 | /** |
| 44 | * Note: these arguments are keys into wfMessage(), not text! |
| 45 | * |
| 46 | * @stable to call |
| 47 | * |
| 48 | * @param string|MessageSpecifier $title Message key (string) for page title, or a MessageSpecifier |
| 49 | * @param string|MessageSpecifier $msg Message key (string) for error text, or a MessageSpecifier |
| 50 | * @param array $params Array with parameters to wfMessage() |
| 51 | */ |
| 52 | public function __construct( $title, $msg, $params = [] ) { |
| 53 | $this->title = $title; |
| 54 | $this->msg = $msg; |
| 55 | $this->params = $params; |
| 56 | |
| 57 | // T46111: Messages in the log files should be in English and not |
| 58 | // customized by the local wiki. So get the default English version for |
| 59 | // passing to the parent constructor. Our overridden report() below |
| 60 | // makes sure that the page shown to the user is not forced to English. |
| 61 | $enMsg = $this->getMessageObject(); |
| 62 | $enMsg->inLanguage( 'en' )->useDatabase( false ); |
| 63 | parent::__construct( $enMsg->text() ); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Return a Message object for this exception |
| 68 | * @since 1.29 |
| 69 | * @return Message |
| 70 | */ |
| 71 | public function getMessageObject() { |
| 72 | if ( $this->msg instanceof Message ) { |
| 73 | return clone $this->msg; |
| 74 | } |
| 75 | return wfMessage( $this->msg, $this->params ); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * @stable to override |
| 80 | * @param int $action |
| 81 | * |
| 82 | * @throws FatalError |
| 83 | * @throws MWException |
| 84 | */ |
| 85 | public function report( $action = self::SEND_OUTPUT ) { |
| 86 | if ( self::isCommandLine() || defined( 'MW_API' ) ) { |
| 87 | MWExceptionRenderer::output( $this, MWExceptionRenderer::AS_PRETTY ); |
| 88 | } else { |
| 89 | global $wgOut; |
| 90 | $wgOut->showErrorPage( $this->title, $this->msg, $this->params ); |
| 91 | // Allow skipping of the final output step, so that web-based page views |
| 92 | // from MediaWiki.php, can inspect the staged OutputPage state, and perform |
| 93 | // graceful shutdown via prepareForOutput() first, just like for regular |
| 94 | // output when there isn't an error page. |
| 95 | if ( $action === self::SEND_OUTPUT ) { |
| 96 | $wgOut->output(); |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | } |