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1 | <?php |
2 | /** |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License as published by |
6 | * the Free Software Foundation; either version 2 of the License, or |
7 | * (at your option) any later version. |
8 | * |
9 | * This program is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | * GNU General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU General Public License along |
15 | * with this program; if not, write to the Free Software Foundation, Inc., |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
17 | * http://www.gnu.org/copyleft/gpl.html |
18 | * |
19 | */ |
20 | |
21 | namespace MediaWiki\Extension\EventBus\Rest; |
22 | |
23 | use Job; |
24 | use JobRunner; |
25 | use LogicException; |
26 | use MediaWiki\Config\Config; |
27 | use MediaWiki\Logger\LoggerFactory; |
28 | use MediaWiki\Rest\Handler; |
29 | use MediaWiki\Rest\HttpException; |
30 | use MediaWiki\Rest\Validator\Validator; |
31 | use Psr\Log\LoggerInterface; |
32 | use Wikimedia\Rdbms\ReadOnlyMode; |
33 | |
34 | /** |
35 | * Class RunSingleJobHandler |
36 | * @package MediaWiki\Extension\EventBus |
37 | */ |
38 | class RunSingleJobHandler extends Handler { |
39 | |
40 | /** |
41 | * @var LoggerInterface |
42 | */ |
43 | private $logger; |
44 | |
45 | /** |
46 | * @var Config |
47 | */ |
48 | private $config; |
49 | |
50 | /** |
51 | * @var JobRunner |
52 | */ |
53 | private $jobRunner; |
54 | |
55 | /** |
56 | * @var ReadOnlyMode |
57 | */ |
58 | private $readOnly; |
59 | |
60 | public function __construct( |
61 | ReadOnlyMode $readOnlyMode, |
62 | Config $config, |
63 | JobRunner $jobRunner |
64 | ) { |
65 | $this->readOnly = $readOnlyMode; |
66 | $this->config = $config; |
67 | $this->jobRunner = $jobRunner; |
68 | $this->logger = LoggerFactory::getInstance( 'RunSingleJobHandler' ); |
69 | } |
70 | |
71 | public function validate( Validator $restValidator ) { |
72 | if ( !$this->config->get( 'EventBusEnableRunJobAPI' ) ) { |
73 | throw new HttpException( |
74 | 'Set $wgEventBusEnableRunJobAPI to true to enable the internal EventBus API', |
75 | 501 ); |
76 | } |
77 | |
78 | if ( $this->readOnly->isReadOnly() ) { |
79 | throw new HttpException( "Wiki is in read-only mode.", 423 ); |
80 | } |
81 | parent::validate( $restValidator ); |
82 | } |
83 | |
84 | /** |
85 | * @return array |
86 | * @throws HttpException |
87 | */ |
88 | public function execute() { |
89 | $event = $this->getRequest()->getParsedBody(); |
90 | |
91 | if ( $event === null ) { |
92 | throw new LogicException( 'No parsed body found, should have failed in parseBodyData()' ); |
93 | } |
94 | |
95 | $job = $this->makeJob( $event ); |
96 | |
97 | // execute the job |
98 | $response = $this->executeJob( $job ); |
99 | if ( $response['status'] === true ) { |
100 | return $response; |
101 | } else { |
102 | throw new HttpException( 'Internal Server Error', 500, [ 'error' => $response['error'] ] ); |
103 | } |
104 | } |
105 | |
106 | /** |
107 | * @param Job $job |
108 | * @return array containing the Job, status and potentially error message |
109 | */ |
110 | private function executeJob( Job $job ) { |
111 | $result = $this->jobRunner->executeJob( $job ); |
112 | |
113 | if ( !$job->allowRetries() ) { |
114 | // Report success if the job doesn't allow retries |
115 | // even if actually the job has failed. |
116 | $result['status'] = true; |
117 | } |
118 | |
119 | return $result; |
120 | } |
121 | |
122 | private function makeJob( array $event ): Job { |
123 | $validator = new EventBodyValidator( |
124 | $this->config->get( 'SecretKey' ), |
125 | $this->logger |
126 | ); |
127 | return $validator->validateEvent( $event ); |
128 | } |
129 | |
130 | } |