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| 1 | <?php |
| 2 | |
| 3 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 4 | if ( $IP === false ) { |
| 5 | $IP = __DIR__ . '/../../..'; |
| 6 | } |
| 7 | require_once "$IP/maintenance/Maintenance.php"; |
| 8 | |
| 9 | use MediaWiki\Extension\CentralAuth\CentralAuthServices; |
| 10 | use MediaWiki\Extension\CentralAuth\User\CentralAuthUser; |
| 11 | use MediaWiki\User\User; |
| 12 | |
| 13 | class DeleteEmptyAccounts extends Maintenance { |
| 14 | |
| 15 | /** @var bool */ |
| 16 | protected $fix; |
| 17 | |
| 18 | /** @var bool */ |
| 19 | protected $safe; |
| 20 | |
| 21 | /** @var bool */ |
| 22 | protected $migrate; |
| 23 | |
| 24 | /** @var bool */ |
| 25 | protected $suppressRC; |
| 26 | |
| 27 | public function __construct() { |
| 28 | parent::__construct(); |
| 29 | $this->requireExtension( 'CentralAuth' ); |
| 30 | $this->addDescription( 'Delete all global accounts with no attached local accounts, ' . |
| 31 | 'then attempt to migrate a local account' ); |
| 32 | $this->fix = false; |
| 33 | $this->safe = false; |
| 34 | $this->migrate = false; |
| 35 | $this->suppressRC = false; |
| 36 | |
| 37 | $this->addOption( 'fix', 'Actually update the database. Otherwise, ' . |
| 38 | 'only prints what would be done.', false, false ); |
| 39 | $this->addOption( 'migrate', 'Migrate a local account; the winner is picked using ' . |
| 40 | 'CentralAuthUser::attemptAutoMigration defaults', false, false ); |
| 41 | $this->addOption( 'safe-migrate', 'Migrate a local account, only if all accounts ' . |
| 42 | 'can be attached', false, false ); |
| 43 | $this->addOption( 'suppressrc', 'Do not send entries to RC feed', false, false ); |
| 44 | $this->setBatchSize( 500 ); |
| 45 | } |
| 46 | |
| 47 | public function execute() { |
| 48 | // phpcs:ignore MediaWiki.Usage.DeprecatedGlobalVariables.Deprecated$wgUser |
| 49 | global $wgUser; |
| 50 | |
| 51 | $original = $wgUser; |
| 52 | |
| 53 | $user = User::newFromName( User::MAINTENANCE_SCRIPT_USER ); |
| 54 | $wgUser = $user; |
| 55 | RequestContext::getMain()->setUser( $user ); |
| 56 | |
| 57 | $dbr = CentralAuthServices::getDatabaseManager()->getCentralReplicaDB(); |
| 58 | |
| 59 | if ( $this->getOption( 'fix', false ) !== false ) { |
| 60 | $this->fix = true; |
| 61 | } |
| 62 | if ( $this->getOption( 'safe-migrate', false ) !== false ) { |
| 63 | $this->safe = true; |
| 64 | $this->migrate = true; |
| 65 | } |
| 66 | if ( $this->getOption( 'migrate', false ) !== false ) { |
| 67 | $this->migrate = true; |
| 68 | } |
| 69 | if ( $this->getOption( 'suppressrc', false ) !== false ) { |
| 70 | $this->suppressRC = true; |
| 71 | } |
| 72 | |
| 73 | $end = $dbr->newSelectQueryBuilder() |
| 74 | ->select( 'MAX(gu_id)' ) |
| 75 | ->from( 'globaluser' ) |
| 76 | ->caller( __METHOD__ ) |
| 77 | ->fetchField(); |
| 78 | |
| 79 | for ( $cur = 0; $cur <= $end; $cur += $this->mBatchSize ) { |
| 80 | $this->output( "PROGRESS: $cur / $end\n" ); |
| 81 | $result = $dbr->newSelectQueryBuilder() |
| 82 | ->select( 'gu_name' ) |
| 83 | ->from( 'globaluser' ) |
| 84 | ->leftJoin( 'localuser', null, 'gu_name=lu_name' ) |
| 85 | ->where( [ |
| 86 | 'lu_name' => null, |
| 87 | $dbr->expr( 'gu_id', '>=', $cur ), |
| 88 | $dbr->expr( 'gu_id', '<', $cur + $this->mBatchSize ), |
| 89 | ] ) |
| 90 | ->orderBy( 'gu_id' ) |
| 91 | ->caller( __METHOD__ ) |
| 92 | ->fetchResultSet(); |
| 93 | |
| 94 | foreach ( $result as $row ) { |
| 95 | $this->process( $row->gu_name, $user ); |
| 96 | } |
| 97 | if ( $this->fix ) { |
| 98 | CentralAuthServices::getDatabaseManager()->waitForReplication(); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | $this->output( "done.\n" ); |
| 103 | |
| 104 | // Restore old $wgUser value |
| 105 | $wgUser = $original; |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * @param string $username |
| 110 | * @param User $deleter |
| 111 | */ |
| 112 | private function process( $username, User $deleter ) { |
| 113 | $central = new CentralAuthUser( $username, IDBAccessObject::READ_LATEST ); |
| 114 | if ( !$central->exists() ) { |
| 115 | $this->output( |
| 116 | "ERROR: [$username] Central account does not exist. So how'd we find it?\n" |
| 117 | ); |
| 118 | return; |
| 119 | } |
| 120 | |
| 121 | try { |
| 122 | $unattached = $central->queryUnattached(); |
| 123 | } catch ( Exception $e ) { |
| 124 | // This might happen due to localnames inconsistencies (T69350) |
| 125 | $this->output( "ERROR: [$username] Fetching unattached accounts failed.\n" ); |
| 126 | return; |
| 127 | } |
| 128 | |
| 129 | foreach ( $unattached as $wiki => $local ) { |
| 130 | if ( $local['email'] === '' && $local['password'] === '' ) { |
| 131 | $this->output( "SKIP: [$username] Account on $wiki has no password or email\n" ); |
| 132 | return; |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | if ( $this->fix ) { |
| 137 | $reason = wfMessage( 'centralauth-delete-empty-account' )->inContentLanguage()->text(); |
| 138 | $status = $central->adminDelete( $reason, $deleter ); |
| 139 | if ( !$status->isGood() ) { |
| 140 | $msg = $status->getErrors()[0]['message']; |
| 141 | if ( $msg instanceof Message ) { |
| 142 | $msg = $msg->getKey(); |
| 143 | } |
| 144 | $this->output( "ERROR: [$username] Delete failed ($msg)\n" ); |
| 145 | return; |
| 146 | } |
| 147 | $this->output( "DELETE: [$username] Deleted\n" ); |
| 148 | } else { |
| 149 | $this->output( "DELETE: [$username] Would delete\n" ); |
| 150 | } |
| 151 | |
| 152 | if ( count( $unattached ) !== 0 && $this->migrate ) { |
| 153 | if ( $this->fix ) { |
| 154 | $central = CentralAuthUser::newUnattached( $username, true ); |
| 155 | if ( $central->storeAndMigrate( [], !$this->suppressRC, $this->safe ) ) { |
| 156 | $unattachedAfter = count( $central->queryUnattached() ); |
| 157 | $this->output( |
| 158 | "MIGRATE: [$username] Success; $unattachedAfter left unattached\n" |
| 159 | ); |
| 160 | } else { |
| 161 | $this->output( "MIGRATE: [$username] Fail\n" ); |
| 162 | } |
| 163 | } else { |
| 164 | $this->output( "MIGRATE: [$username] Would attempt\n" ); |
| 165 | } |
| 166 | } |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | $maintClass = DeleteEmptyAccounts::class; |
| 171 | require_once RUN_MAINTENANCE_IF_MAIN; |