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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\Extension\AbuseFilter\Hooks\AbuseFilterAlterVariablesHook; |
| 24 | use MediaWiki\Extension\AbuseFilter\Hooks\AbuseFilterBuilderHook; |
| 25 | use MediaWiki\Extension\AbuseFilter\Hooks\AbuseFilterComputeVariableHook; |
| 26 | use MediaWiki\Extension\AbuseFilter\Hooks\AbuseFilterGenerateUserVarsHook; |
| 27 | use MediaWiki\Extension\AbuseFilter\Hooks\AbuseFilterShouldFilterActionHook; |
| 28 | use MediaWiki\Extension\AbuseFilter\Variables\VariableHolder; |
| 29 | use MediaWiki\Extension\CentralAuth\GlobalRename\LocalRenameJob\LocalPageMoveJob; |
| 30 | use MediaWiki\Extension\CentralAuth\User\CentralAuthUser; |
| 31 | use MediaWiki\Title\Title; |
| 32 | use MediaWiki\User\User; |
| 33 | use RecentChange; |
| 34 | |
| 35 | class AbuseFilterHookHandler implements |
| 36 | AbuseFilterAlterVariablesHook, |
| 37 | AbuseFilterBuilderHook, |
| 38 | AbuseFilterComputeVariableHook, |
| 39 | AbuseFilterGenerateUserVarsHook, |
| 40 | AbuseFilterShouldFilterActionHook |
| 41 | { |
| 42 | |
| 43 | /** |
| 44 | * Load our global_account_groups and global_account_editcount variables |
| 45 | * during (auto)createaccount actions. |
| 46 | * |
| 47 | * @param VariableHolder &$vars |
| 48 | * @param Title $title Title object target of the action |
| 49 | * @param User $user User object performer of the action |
| 50 | */ |
| 51 | public function onAbuseFilterAlterVariables( |
| 52 | VariableHolder &$vars, |
| 53 | Title $title, |
| 54 | User $user |
| 55 | ) { |
| 56 | $action = $vars->getComputedVariable( 'action' )->toString(); |
| 57 | if ( $action === 'createaccount' ) { |
| 58 | $vars->setVar( 'global_account_groups', [] ); |
| 59 | $vars->setVar( 'global_account_editcount', 0 ); |
| 60 | } elseif ( $action === 'autocreateaccount' ) { |
| 61 | $accountname = $vars->getComputedVariable( 'accountname' )->toString(); |
| 62 | $vars->setLazyLoadVar( |
| 63 | 'global_account_groups', |
| 64 | 'global-user-groups', |
| 65 | [ 'user' => $accountname, 'new' => true ] |
| 66 | ); |
| 67 | $vars->setLazyLoadVar( |
| 68 | 'global_account_editcount', |
| 69 | 'global-user-editcount', |
| 70 | [ 'user' => $accountname, 'new' => true ] |
| 71 | ); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Computes the global_user_groups and global_user_editcount variables |
| 77 | * @param string $method |
| 78 | * @param VariableHolder $vars |
| 79 | * @param array $parameters |
| 80 | * @param ?string &$result |
| 81 | * @return bool |
| 82 | */ |
| 83 | public function onAbuseFilter_computeVariable( |
| 84 | string $method, |
| 85 | VariableHolder $vars, |
| 86 | array $parameters, |
| 87 | ?string &$result |
| 88 | ) { |
| 89 | if ( $method == 'global-user-groups' ) { |
| 90 | $user = CentralAuthUser::getInstanceByName( $parameters['user'] ); |
| 91 | if ( !$user->exists() ) { |
| 92 | $result = []; |
| 93 | } elseif ( !( $parameters['new'] ?? false ) && !$user->isAttached() ) { |
| 94 | $result = []; |
| 95 | } else { |
| 96 | $result = $user->getGlobalGroups(); |
| 97 | } |
| 98 | return false; |
| 99 | } elseif ( $method == 'global-user-editcount' ) { |
| 100 | $user = CentralAuthUser::getInstanceByName( $parameters['user'] ); |
| 101 | if ( !$user->exists() ) { |
| 102 | $result = 0; |
| 103 | } elseif ( !( $parameters['new'] ?? false ) && !$user->isAttached() ) { |
| 104 | $result = 0; |
| 105 | } else { |
| 106 | $result = $user->getGlobalEditCount(); |
| 107 | } |
| 108 | return false; |
| 109 | } else { |
| 110 | return true; |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Load our global_user_groups and global_user_editcount variables |
| 116 | * @param VariableHolder $vars |
| 117 | * @param User $user |
| 118 | * @param ?RecentChange $rc |
| 119 | * @return bool |
| 120 | */ |
| 121 | public function onAbuseFilter_generateUserVars( |
| 122 | VariableHolder $vars, |
| 123 | User $user, |
| 124 | ?RecentChange $rc |
| 125 | ) { |
| 126 | $vars->setLazyLoadVar( 'global_user_groups', 'global-user-groups', [ 'user' => $user->getName() ] ); |
| 127 | $vars->setLazyLoadVar( 'global_user_editcount', 'global-user-editcount', [ 'user' => $user->getName() ] ); |
| 128 | return true; |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Tell AbuseFilter about our global_user_groups and global_user_editcount variables |
| 133 | * @param array &$realValues |
| 134 | * @return bool |
| 135 | */ |
| 136 | public function onAbuseFilter_builder( array &$realValues ) { |
| 137 | // Uses: 'abusefilter-edit-builder-vars-global-user-groups' |
| 138 | $realValues['vars']['global_user_groups'] = 'global-user-groups'; |
| 139 | // Uses: 'abusefilter-edit-builder-vars-global-user-editcount' |
| 140 | $realValues['vars']['global_user_editcount'] = 'global-user-editcount'; |
| 141 | // Uses: 'abusefilter-edit-builder-vars-global-account-groups' |
| 142 | $realValues['vars']['global_account_groups'] = 'global-account-groups'; |
| 143 | // Uses: 'abusefilter-edit-builder-vars-global-account-editcount' |
| 144 | $realValues['vars']['global_account_editcount'] = 'global-account-editcount'; |
| 145 | return true; |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Avoid filtering page moves during global rename |
| 150 | * |
| 151 | * @param VariableHolder $vars |
| 152 | * @param Title $title |
| 153 | * @param User $user |
| 154 | * @param array &$skipReasons |
| 155 | * @return bool |
| 156 | */ |
| 157 | public function onAbuseFilterShouldFilterAction( |
| 158 | VariableHolder $vars, |
| 159 | Title $title, |
| 160 | User $user, |
| 161 | array &$skipReasons |
| 162 | ) { |
| 163 | $action = $vars->getComputedVariable( 'action' )->toString(); |
| 164 | if ( $action === 'move' && LocalPageMoveJob::$moveInProgress === true ) { |
| 165 | $skipReasons[] = "CentralAuth: $user is moving $title for global rename"; |
| 166 | // Don't allow reusing this flag |
| 167 | LocalPageMoveJob::$moveInProgress = false; |
| 168 | return false; |
| 169 | } |
| 170 | return true; |
| 171 | } |
| 172 | } |