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| 1 | <?php |
| 2 | /** |
| 3 | * Created on Aug 09, 2014 |
| 4 | * |
| 5 | * CentralAuth extension |
| 6 | * |
| 7 | * Copyright (C) 2014 Brad Jorsch bjorsch@wikimedia.org |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 21 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 22 | * http://www.gnu.org/copyleft/gpl.html |
| 23 | */ |
| 24 | |
| 25 | namespace MediaWiki\Extension\CentralAuth\Api; |
| 26 | |
| 27 | use ApiBase; |
| 28 | use ApiMain; |
| 29 | use CentralAuthSessionProvider; |
| 30 | use MediaWiki\Extension\CentralAuth\CentralAuthSessionManager; |
| 31 | use MediaWiki\Extension\CentralAuth\User\CentralAuthUser; |
| 32 | use MediaWiki\Session\SessionManager; |
| 33 | use MediaWiki\WikiMap\WikiMap; |
| 34 | use MWCryptRand; |
| 35 | |
| 36 | /** |
| 37 | * Module to fetch the centralauthtoken for cross-wiki queries. |
| 38 | * |
| 39 | * @ingroup API |
| 40 | * @ingroup Extensions |
| 41 | * @see \MediaWiki\Extension\CentralAuth\Hooks\Handlers\ApiHookHandler::onAPIGetAllowedParams |
| 42 | * @see \CentralAuthApiSessionProvider |
| 43 | * @see \CentralAuthHeaderSessionProvider |
| 44 | */ |
| 45 | class ApiCentralAuthToken extends ApiBase { |
| 46 | /** @var CentralAuthSessionManager */ |
| 47 | private $sessionManager; |
| 48 | |
| 49 | /** |
| 50 | * @param ApiMain $main |
| 51 | * @param string $moduleName |
| 52 | * @param CentralAuthSessionManager $sessionManager |
| 53 | */ |
| 54 | public function __construct( |
| 55 | ApiMain $main, |
| 56 | $moduleName, |
| 57 | CentralAuthSessionManager $sessionManager |
| 58 | ) { |
| 59 | parent::__construct( $main, $moduleName ); |
| 60 | $this->sessionManager = $sessionManager; |
| 61 | } |
| 62 | |
| 63 | public function execute() { |
| 64 | $user = $this->getUser(); |
| 65 | |
| 66 | // If we're in JSON callback mode, no tokens can be obtained |
| 67 | if ( $this->lacksSameOriginSecurity() ) { |
| 68 | $this->dieWithError( 'apiwarn-tokens-origin', 'hascallback' ); |
| 69 | } |
| 70 | |
| 71 | if ( !$user->isRegistered() ) { |
| 72 | $this->dieWithError( 'apierror-centralauth-notloggedin', 'notloggedin' ); |
| 73 | } |
| 74 | |
| 75 | $session = SessionManager::getGlobalSession(); |
| 76 | if ( !$session->getProvider() instanceof CentralAuthSessionProvider ) { |
| 77 | $this->dieWithError( 'apierror-centralauth-badsession', 'badsession' ); |
| 78 | } |
| 79 | $id = $session->getId(); |
| 80 | |
| 81 | $centralUser = CentralAuthUser::getInstance( $user ); |
| 82 | if ( !$centralUser->exists() || !$centralUser->isAttached() ) { |
| 83 | $this->dieWithError( 'apierror-centralauth-notattached', 'notattached' ); |
| 84 | } |
| 85 | |
| 86 | $data = [ |
| 87 | 'userName' => $user->getName(), |
| 88 | 'token' => $centralUser->getAuthToken(), |
| 89 | 'origin' => WikiMap::getCurrentWikiId(), |
| 90 | 'originSessionId' => $id, |
| 91 | ]; |
| 92 | |
| 93 | $loginToken = MWCryptRand::generateHex( 32 ) . dechex( $centralUser->getId() ); |
| 94 | |
| 95 | $key = $this->sessionManager->makeTokenKey( 'api-token', $loginToken ); |
| 96 | $this->sessionManager->getTokenStore()->set( |
| 97 | $key, $data, $this->sessionManager->getTokenStore()::TTL_MINUTE |
| 98 | ); |
| 99 | |
| 100 | $this->getResult()->addValue( null, $this->getModuleName(), [ |
| 101 | 'centralauthtoken' => $loginToken |
| 102 | ] ); |
| 103 | } |
| 104 | |
| 105 | /** @inheritDoc */ |
| 106 | public function getAllowedParams() { |
| 107 | return []; |
| 108 | } |
| 109 | |
| 110 | /** @inheritDoc */ |
| 111 | protected function getExamplesMessages() { |
| 112 | return [ |
| 113 | 'action=centralauthtoken' |
| 114 | => 'apihelp-centralauthtoken-example-1', |
| 115 | ]; |
| 116 | } |
| 117 | } |