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AbuseFilterHookHandler.php
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AbuseFilterHookHandler.php
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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\Extension\CentralAuth\Hooks\Handlers;
use MediaWiki\Extension\AbuseFilter\Hooks\AbuseFilterAlterVariablesHook;
use MediaWiki\Extension\AbuseFilter\Hooks\AbuseFilterBuilderHook;
use MediaWiki\Extension\AbuseFilter\Hooks\AbuseFilterComputeVariableHook;
use MediaWiki\Extension\AbuseFilter\Hooks\AbuseFilterGenerateUserVarsHook;
use MediaWiki\Extension\AbuseFilter\Hooks\AbuseFilterShouldFilterActionHook;
use MediaWiki\Extension\AbuseFilter\Variables\VariableHolder;
use MediaWiki\Extension\CentralAuth\GlobalRename\LocalRenameJob\LocalPageMoveJob;
use MediaWiki\Extension\CentralAuth\User\CentralAuthUser;
use MediaWiki\RecentChanges\RecentChange;
use MediaWiki\Title\Title;
use MediaWiki\User\User;
// phpcs:disable MediaWiki.NamingConventions.LowerCamelFunctionsName.FunctionName
class AbuseFilterHookHandler implements
AbuseFilterAlterVariablesHook,
AbuseFilterBuilderHook,
AbuseFilterComputeVariableHook,
AbuseFilterGenerateUserVarsHook,
AbuseFilterShouldFilterActionHook
{
/**
* Load our global_account_groups and global_account_editcount variables
* during (auto)createaccount actions.
*
* @param VariableHolder &$vars
* @param Title $title Title object target of the action
* @param User $user User object performer of the action
*/
public function onAbuseFilterAlterVariables(
VariableHolder &$vars,
Title $title,
User $user
) {
$action = $vars->getComputedVariable( 'action' )->toString();
if ( $action === 'createaccount' ) {
$vars->setVar( 'global_account_groups', [] );
$vars->setVar( 'global_account_editcount', 0 );
} elseif ( $action === 'autocreateaccount' ) {
$accountname = $vars->getComputedVariable( 'accountname' )->toString();
$vars->setLazyLoadVar(
'global_account_groups',
'global-user-groups',
[ 'user' => $accountname, 'new' => true ]
);
$vars->setLazyLoadVar(
'global_account_editcount',
'global-user-editcount',
[ 'user' => $accountname, 'new' => true ]
);
}
}
/**
* Computes the global_user_groups and global_user_editcount variables
* @param string $method
* @param VariableHolder $vars
* @param array $parameters
* @param ?string &$result
* @return bool
*/
public function onAbuseFilter_computeVariable(
string $method,
VariableHolder $vars,
array $parameters,
?string &$result
) {
if ( $method == 'global-user-groups' ) {
$user = CentralAuthUser::getInstanceByName( $parameters['user'] );
if ( !$user->exists() ) {
$result = [];
} elseif ( !( $parameters['new'] ?? false ) && !$user->isAttached() ) {
$result = [];
} else {
$result = $user->getGlobalGroups();
}
return false;
} elseif ( $method == 'global-user-editcount' ) {
$user = CentralAuthUser::getInstanceByName( $parameters['user'] );
if ( !$user->exists() ) {
$result = 0;
} elseif ( !( $parameters['new'] ?? false ) && !$user->isAttached() ) {
$result = 0;
} else {
$result = $user->getGlobalEditCount();
}
return false;
} else {
return true;
}
}
/**
* Load our global_user_groups and global_user_editcount variables
* @param VariableHolder $vars
* @param User $user
* @param ?RecentChange $rc
* @return bool
*/
public function onAbuseFilter_generateUserVars(
VariableHolder $vars,
User $user,
?RecentChange $rc
) {
$vars->setLazyLoadVar( 'global_user_groups', 'global-user-groups', [ 'user' => $user->getName() ] );
$vars->setLazyLoadVar( 'global_user_editcount', 'global-user-editcount', [ 'user' => $user->getName() ] );
return true;
}
/**
* Tell AbuseFilter about our global_user_groups and global_user_editcount variables
* @param array &$realValues
* @return bool
*/
public function onAbuseFilter_builder( array &$realValues ) {
// Uses: 'abusefilter-edit-builder-vars-global-user-groups'
$realValues['vars']['global_user_groups'] = 'global-user-groups';
// Uses: 'abusefilter-edit-builder-vars-global-user-editcount'
$realValues['vars']['global_user_editcount'] = 'global-user-editcount';
// Uses: 'abusefilter-edit-builder-vars-global-account-groups'
$realValues['vars']['global_account_groups'] = 'global-account-groups';
// Uses: 'abusefilter-edit-builder-vars-global-account-editcount'
$realValues['vars']['global_account_editcount'] = 'global-account-editcount';
return true;
}
/**
* Avoid filtering page moves during global rename
*
* @param VariableHolder $vars
* @param Title $title
* @param User $user
* @param array &$skipReasons
* @return bool
*/
public function onAbuseFilterShouldFilterAction(
VariableHolder $vars,
Title $title,
User $user,
array &$skipReasons
) {
$action = $vars->getComputedVariable( 'action' )->toString();
if ( $action === 'move' && LocalPageMoveJob::$moveInProgress === true ) {
$skipReasons[] = "CentralAuth: $user is moving $title for global rename";
// Don't allow reusing this flag
LocalPageMoveJob::$moveInProgress = false;
return false;
}
return true;
}
}

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Tue, Aug 18, 20:15 (2 w, 2 d ago)
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AbuseFilterHookHandler.php (5 KB)

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