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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 | * @ingroup Auth |
| 20 | */ |
| 21 | |
| 22 | namespace MediaWiki\Extension\CentralAuth; |
| 23 | |
| 24 | use MediaWiki\Auth\AbstractSecondaryAuthenticationProvider; |
| 25 | use MediaWiki\Auth\AuthenticationResponse; |
| 26 | use MediaWiki\Extension\CentralAuth\User\CentralAuthUser; |
| 27 | use MediaWiki\WikiMap\WikiMap; |
| 28 | |
| 29 | /** |
| 30 | * This implements CentralAuth checks that should be done on all logins, e.g. |
| 31 | * being renamed or centrally locked. |
| 32 | */ |
| 33 | class CentralAuthSecondaryAuthenticationProvider extends AbstractSecondaryAuthenticationProvider { |
| 34 | |
| 35 | /** |
| 36 | * @param array $params |
| 37 | */ |
| 38 | public function __construct( $params = [] ) { |
| 39 | } |
| 40 | |
| 41 | /** @inheritDoc */ |
| 42 | public function getAuthenticationRequests( $action, array $options ) { |
| 43 | return []; |
| 44 | } |
| 45 | |
| 46 | /** @inheritDoc */ |
| 47 | public function beginSecondaryAuthentication( $user, array $reqs ) { |
| 48 | $centralUser = CentralAuthUser::getInstance( $user ); |
| 49 | |
| 50 | // Since logins are rare, check the actual DB |
| 51 | $rename = $centralUser->renameInProgressOn( WikiMap::getCurrentWikiId() ); |
| 52 | if ( $rename ) { |
| 53 | // This wiki specifically has a rename in progress, so always abort |
| 54 | return AuthenticationResponse::newFail( |
| 55 | wfMessage( 'centralauth-rename-abortlogin', $user->getName() ) |
| 56 | ); |
| 57 | } |
| 58 | |
| 59 | // Now check if the user is the target of a rename anywhere |
| 60 | $rename = $centralUser->renameInProgress(); |
| 61 | if ( $rename ) { |
| 62 | // It's possible a user is being renamed but someone else with |
| 63 | // an unattached account is trying to login. Since we've already |
| 64 | // moved everything over to the new account name, we only need |
| 65 | // to check one username. |
| 66 | $newCAUser = $rename[1] === $user->getName() |
| 67 | ? $centralUser |
| 68 | : CentralAuthUser::getInstanceByName( $rename[0] ); |
| 69 | |
| 70 | if ( $newCAUser->isAttached() ) { |
| 71 | // If there is an account using that name that exists on this wiki |
| 72 | // reject the login. |
| 73 | return AuthenticationResponse::newFail( |
| 74 | wfMessage( 'centralauth-rename-abortlogin', $user->getName() ) |
| 75 | ); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | if ( $centralUser->canAuthenticate() === CentralAuthUser::AUTHENTICATE_LOCKED ) { |
| 80 | return AuthenticationResponse::newFail( |
| 81 | wfMessage( 'centralauth-login-error-locked' ) |
| 82 | ->params( wfEscapeWikiText( $centralUser->getName() ) ), |
| 83 | [ CentralAuthUser::AUTHENTICATE_LOCKED ] |
| 84 | ); |
| 85 | } |
| 86 | |
| 87 | return AuthenticationResponse::newAbstain(); |
| 88 | } |
| 89 | |
| 90 | /** @inheritDoc */ |
| 91 | public function beginSecondaryAccountCreation( $user, $creator, array $reqs ) { |
| 92 | return AuthenticationResponse::newAbstain(); |
| 93 | } |
| 94 | } |