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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 | namespace MediaWiki\Extension\CentralAuth\Hooks\Handlers; |
| 22 | |
| 23 | use MediaWiki\Block\AbstractBlock; |
| 24 | use MediaWiki\Block\CompositeBlock; |
| 25 | use MediaWiki\Block\Hook\GetUserBlockHook; |
| 26 | use MediaWiki\Block\SystemBlock; |
| 27 | use MediaWiki\Extension\CentralAuth\User\CentralAuthUser; |
| 28 | use MediaWiki\Hook\OtherBlockLogLinkHook; |
| 29 | use MediaWiki\Html\Html; |
| 30 | use MediaWiki\Message\Message; |
| 31 | use MediaWiki\User\User; |
| 32 | use MediaWiki\User\UserNameUtils; |
| 33 | use MediaWiki\WikiMap\WikiMap; |
| 34 | use Wikimedia\IPUtils; |
| 35 | |
| 36 | /** |
| 37 | * @author Taavi Väänänen <hi@taavi.wtf> |
| 38 | */ |
| 39 | class BlockHookHandler implements |
| 40 | GetUserBlockHook, |
| 41 | OtherBlockLogLinkHook |
| 42 | { |
| 43 | |
| 44 | private UserNameUtils $userNameUtils; |
| 45 | |
| 46 | public function __construct( UserNameUtils $userNameUtils ) { |
| 47 | $this->userNameUtils = $userNameUtils; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Make sure a user is hidden if their global account is hidden. |
| 52 | * If a user's global account is hidden (suppressed): |
| 53 | * - if locally blocked and hidden, do nothing |
| 54 | * - if not blocked, add a system block with a suppression |
| 55 | * - if blocked but not hidden, make a new composite block |
| 56 | * containing the existing blocks plus a system block with a |
| 57 | * suppression |
| 58 | * |
| 59 | * @param User $user |
| 60 | * @param string|null $ip |
| 61 | * @param AbstractBlock|null &$block |
| 62 | * @return bool |
| 63 | */ |
| 64 | public function onGetUserBlock( $user, $ip, &$block ) { |
| 65 | if ( $block && $block->getHideName() ) { |
| 66 | return false; |
| 67 | } |
| 68 | if ( !$this->userNameUtils->isValid( $user->getName() ) ) { |
| 69 | // Only valid usernames can be handled (and hidden) by CentralAuth. |
| 70 | return true; |
| 71 | } |
| 72 | |
| 73 | $centralUser = CentralAuthUser::getInstance( $user ); |
| 74 | if ( $centralUser->exists() |
| 75 | && ( $centralUser->isAttached() || !$user->isRegistered() ) |
| 76 | && $centralUser->getHiddenLevelInt() === CentralAuthUser::HIDDEN_LEVEL_SUPPRESSED |
| 77 | ) { |
| 78 | $hideUserBlock = new SystemBlock( [ |
| 79 | 'address' => $user, |
| 80 | 'hideName' => true, |
| 81 | 'systemBlock' => 'hideuser', |
| 82 | ] ); |
| 83 | |
| 84 | if ( $block === null ) { |
| 85 | $block = $hideUserBlock; |
| 86 | return false; |
| 87 | } |
| 88 | |
| 89 | $blocks = $block->toArray(); |
| 90 | |
| 91 | $blocks[] = $hideUserBlock; |
| 92 | $block = new CompositeBlock( [ |
| 93 | 'address' => $ip, |
| 94 | 'reason' => new Message( 'blockedtext-composite-reason' ), |
| 95 | 'originalBlocks' => $blocks, |
| 96 | ] ); |
| 97 | |
| 98 | return false; |
| 99 | } |
| 100 | |
| 101 | return true; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Creates a link to the global lock log |
| 106 | * @param array &$otherBlockLink Message with a link to the global block log |
| 107 | * @param string $user The username to be checked |
| 108 | * @return bool true |
| 109 | */ |
| 110 | public function onOtherBlockLogLink( &$otherBlockLink, $user ) { |
| 111 | if ( |
| 112 | IPUtils::isIPAddress( $user ) |
| 113 | || !$this->userNameUtils->isValid( $user ) |
| 114 | ) { |
| 115 | // Only usernames can be locked. |
| 116 | return true; |
| 117 | } |
| 118 | |
| 119 | $caUser = CentralAuthUser::getInstanceByName( $user ); |
| 120 | if ( $caUser->isLocked() && in_array( WikiMap::getCurrentWikiId(), $caUser->listAttached() ) ) { |
| 121 | $otherBlockLink[] = Html::rawElement( |
| 122 | 'span', |
| 123 | [ 'class' => 'mw-centralauth-lock-loglink plainlinks' ], |
| 124 | wfMessage( 'centralauth-block-already-locked', $user )->parse() |
| 125 | ); |
| 126 | } |
| 127 | return true; |
| 128 | } |
| 129 | } |