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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 | |
| 19 | namespace MediaWiki\Extension\EventBus\Rest; |
| 20 | |
| 21 | use LogicException; |
| 22 | use MediaWiki\Config\Config; |
| 23 | use MediaWiki\JobQueue\Job; |
| 24 | use MediaWiki\JobQueue\JobRunner; |
| 25 | use MediaWiki\Logger\LoggerFactory; |
| 26 | use MediaWiki\Rest\Handler; |
| 27 | use MediaWiki\Rest\HttpException; |
| 28 | use MediaWiki\Rest\Validator\Validator; |
| 29 | use Psr\Log\LoggerInterface; |
| 30 | use Wikimedia\Rdbms\ReadOnlyMode; |
| 31 | |
| 32 | class RunSingleJobHandler extends Handler { |
| 33 | |
| 34 | /** |
| 35 | * @var LoggerInterface |
| 36 | */ |
| 37 | private $logger; |
| 38 | |
| 39 | /** |
| 40 | * @var Config |
| 41 | */ |
| 42 | private $config; |
| 43 | |
| 44 | /** |
| 45 | * @var JobRunner |
| 46 | */ |
| 47 | private $jobRunner; |
| 48 | |
| 49 | /** |
| 50 | * @var ReadOnlyMode |
| 51 | */ |
| 52 | private $readOnly; |
| 53 | |
| 54 | public function __construct( |
| 55 | ReadOnlyMode $readOnlyMode, |
| 56 | Config $config, |
| 57 | JobRunner $jobRunner |
| 58 | ) { |
| 59 | $this->readOnly = $readOnlyMode; |
| 60 | $this->config = $config; |
| 61 | $this->jobRunner = $jobRunner; |
| 62 | $this->logger = LoggerFactory::getInstance( 'RunSingleJobHandler' ); |
| 63 | } |
| 64 | |
| 65 | public function validate( Validator $restValidator ) { |
| 66 | if ( !$this->config->get( 'EventBusEnableRunJobAPI' ) ) { |
| 67 | throw new HttpException( |
| 68 | 'Set $wgEventBusEnableRunJobAPI to true to enable the internal EventBus API', |
| 69 | 501 ); |
| 70 | } |
| 71 | |
| 72 | if ( $this->readOnly->isReadOnly() ) { |
| 73 | throw new HttpException( "Wiki is in read-only mode.", 423 ); |
| 74 | } |
| 75 | parent::validate( $restValidator ); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * @return array |
| 80 | * @throws HttpException |
| 81 | */ |
| 82 | public function execute() { |
| 83 | $event = $this->getRequest()->getParsedBody(); |
| 84 | |
| 85 | if ( $event === null ) { |
| 86 | throw new LogicException( 'No parsed body found, should have failed in parseBodyData()' ); |
| 87 | } |
| 88 | |
| 89 | $job = $this->makeJob( $event ); |
| 90 | |
| 91 | // execute the job |
| 92 | $response = $this->executeJob( $job ); |
| 93 | if ( $response['status'] === true ) { |
| 94 | return $response; |
| 95 | } else { |
| 96 | throw new HttpException( 'Internal Server Error', 500, [ 'error' => $response['error'] ] ); |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * @param Job $job |
| 102 | * @return array containing the Job, status and potentially error message |
| 103 | */ |
| 104 | private function executeJob( Job $job ) { |
| 105 | $result = $this->jobRunner->executeJob( $job ); |
| 106 | |
| 107 | if ( !$job->allowRetries() ) { |
| 108 | // Report success if the job doesn't allow retries |
| 109 | // even if actually the job has failed. |
| 110 | $result['status'] = true; |
| 111 | } |
| 112 | |
| 113 | return $result; |
| 114 | } |
| 115 | |
| 116 | private function makeJob( array $event ): Job { |
| 117 | $validator = new EventBodyValidator( |
| 118 | $this->config->get( 'SecretKey' ), |
| 119 | $this->logger |
| 120 | ); |
| 121 | return $validator->validateEvent( $event ); |
| 122 | } |
| 123 | |
| 124 | } |