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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Page\MovePageFactory; |
| 4 | use MediaWiki\RenameUser\RenameuserSQL; |
| 5 | use MediaWiki\Status\Status; |
| 6 | use MediaWiki\Title\TitleFactory; |
| 7 | use MediaWiki\User\TempUser\Pattern; |
| 8 | use MediaWiki\User\User; |
| 9 | use MediaWiki\User\UserFactory; |
| 10 | use Wikimedia\Rdbms\IExpression; |
| 11 | |
| 12 | require_once __DIR__ . '/Maintenance.php'; |
| 13 | |
| 14 | class RenameUsersMatchingPattern extends Maintenance { |
| 15 | /** @var UserFactory */ |
| 16 | private $userFactory; |
| 17 | |
| 18 | /** @var MovePageFactory */ |
| 19 | private $movePageFactory; |
| 20 | |
| 21 | /** @var TitleFactory */ |
| 22 | private $titleFactory; |
| 23 | |
| 24 | /** @var User */ |
| 25 | private $performer; |
| 26 | |
| 27 | /** @var string */ |
| 28 | private $reason; |
| 29 | |
| 30 | /** @var bool */ |
| 31 | private $dryRun; |
| 32 | |
| 33 | /** @var bool */ |
| 34 | private $suppressRedirect; |
| 35 | |
| 36 | /** @var bool */ |
| 37 | private $skipPageMoves; |
| 38 | |
| 39 | public function __construct() { |
| 40 | parent::__construct(); |
| 41 | |
| 42 | $this->addDescription( 'Rename users with a name matching a pattern. ' . |
| 43 | 'This can be used to migrate to a temporary user (IP masking) configuration.' ); |
| 44 | $this->addOption( 'from', 'A username pattern where $1 is ' . |
| 45 | 'the wildcard standing in for any number of characters. All users ' . |
| 46 | 'matching this pattern will be renamed.', true, true ); |
| 47 | $this->addOption( 'to', 'A username pattern where $1 is ' . |
| 48 | 'the part of the username matched by $1 in --from. Users will be ' . |
| 49 | ' renamed to this pattern.', true, true ); |
| 50 | $this->addOption( 'performer', 'Performer of the rename action', false, true ); |
| 51 | $this->addOption( 'reason', 'Reason of the rename', false, true ); |
| 52 | $this->addOption( 'suppress-redirect', 'Don\'t create redirects when moving pages' ); |
| 53 | $this->addOption( 'skip-page-moves', 'Don\'t move associated user pages' ); |
| 54 | $this->addOption( 'dry-run', 'Don\'t actually rename the ' . |
| 55 | 'users, just report what it would do.' ); |
| 56 | $this->setBatchSize( 1000 ); |
| 57 | } |
| 58 | |
| 59 | private function initServices() { |
| 60 | $services = $this->getServiceContainer(); |
| 61 | if ( $services->getCentralIdLookupFactory()->getNonLocalLookup() ) { |
| 62 | $this->fatalError( "This script cannot be run when CentralAuth is enabled." ); |
| 63 | } |
| 64 | $this->userFactory = $services->getUserFactory(); |
| 65 | $this->movePageFactory = $services->getMovePageFactory(); |
| 66 | $this->titleFactory = $services->getTitleFactory(); |
| 67 | } |
| 68 | |
| 69 | public function execute() { |
| 70 | $this->initServices(); |
| 71 | |
| 72 | $fromPattern = new Pattern( 'from', $this->getOption( 'from' ) ); |
| 73 | $toPattern = new Pattern( 'to', $this->getOption( 'to' ) ); |
| 74 | |
| 75 | if ( $this->getOption( 'performer' ) === null ) { |
| 76 | $performer = User::newSystemUser( User::MAINTENANCE_SCRIPT_USER, [ 'steal' => true ] ); |
| 77 | } else { |
| 78 | $performer = $this->userFactory->newFromName( $this->getOption( 'performer' ) ); |
| 79 | } |
| 80 | if ( !$performer ) { |
| 81 | $this->error( "Unable to get performer account" ); |
| 82 | return false; |
| 83 | } |
| 84 | $this->performer = $performer; |
| 85 | |
| 86 | $this->reason = $this->getOption( 'reason', '' ); |
| 87 | $this->dryRun = $this->getOption( 'dry-run' ); |
| 88 | $this->suppressRedirect = $this->getOption( 'suppress-redirect' ); |
| 89 | $this->skipPageMoves = $this->getOption( 'skip-page-moves' ); |
| 90 | |
| 91 | $dbr = $this->getReplicaDB(); |
| 92 | $batchConds = []; |
| 93 | $batchSize = $this->getBatchSize(); |
| 94 | $numRenamed = 0; |
| 95 | do { |
| 96 | $res = $dbr->newSelectQueryBuilder() |
| 97 | ->select( [ 'user_name' ] ) |
| 98 | ->from( 'user' ) |
| 99 | ->where( $dbr->expr( 'user_name', IExpression::LIKE, $fromPattern->toLikeValue( $dbr ) ) ) |
| 100 | ->andWhere( $batchConds ) |
| 101 | ->orderBy( 'user_name' ) |
| 102 | ->limit( $batchSize ) |
| 103 | ->caller( __METHOD__ ) |
| 104 | ->fetchResultSet(); |
| 105 | |
| 106 | foreach ( $res as $row ) { |
| 107 | $oldName = $row->user_name; |
| 108 | $batchConds = [ $dbr->expr( 'user_name', '>', $oldName ) ]; |
| 109 | $variablePart = $fromPattern->extract( $oldName ); |
| 110 | if ( $variablePart === null ) { |
| 111 | $this->output( "Username \"fromName\" matched the LIKE " . |
| 112 | "but does not seem to match the pattern" ); |
| 113 | continue; |
| 114 | } |
| 115 | $newName = $toPattern->generate( $variablePart ); |
| 116 | |
| 117 | // Canonicalize |
| 118 | $newTitle = $this->titleFactory->makeTitleSafe( NS_USER, $newName ); |
| 119 | $newUser = $this->userFactory->newFromName( $newName ); |
| 120 | if ( !$newTitle || !$newUser ) { |
| 121 | $this->output( "Cannot rename \"$oldName\" " . |
| 122 | "because \"$newName\" is not a valid title\n" ); |
| 123 | continue; |
| 124 | } |
| 125 | $newName = $newTitle->getText(); |
| 126 | |
| 127 | // Check destination existence |
| 128 | if ( $newUser->isRegistered() ) { |
| 129 | $this->output( "Cannot rename \"$oldName\" " . |
| 130 | "because \"$newName\" already exists\n" ); |
| 131 | continue; |
| 132 | } |
| 133 | |
| 134 | $numRenamed += $this->renameUser( $oldName, $newName ) ? 1 : 0; |
| 135 | $this->waitForReplication(); |
| 136 | } |
| 137 | } while ( $res->numRows() === $batchSize ); |
| 138 | $this->output( "Renamed $numRenamed user(s)\n" ); |
| 139 | return true; |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * @param string $oldName |
| 144 | * @param string $newName |
| 145 | * @return bool True if the user was renamed |
| 146 | */ |
| 147 | private function renameUser( $oldName, $newName ) { |
| 148 | $id = $this->userFactory->newFromName( $oldName )->getId(); |
| 149 | if ( !$id ) { |
| 150 | $this->output( "Cannot rename non-existent user \"$oldName\"" ); |
| 151 | } |
| 152 | |
| 153 | if ( $this->dryRun ) { |
| 154 | $this->output( "$oldName would be renamed to $newName\n" ); |
| 155 | } else { |
| 156 | $renamer = new RenameuserSQL( |
| 157 | $oldName, |
| 158 | $newName, |
| 159 | $id, |
| 160 | $this->performer, |
| 161 | [ |
| 162 | 'reason' => $this->reason |
| 163 | ] |
| 164 | ); |
| 165 | |
| 166 | if ( !$renamer->rename() ) { |
| 167 | $this->output( "Unable to rename $oldName" ); |
| 168 | return false; |
| 169 | } else { |
| 170 | $this->output( "$oldName was successfully renamed to $newName.\n" ); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | if ( $this->skipPageMoves ) { |
| 175 | return true; |
| 176 | } |
| 177 | |
| 178 | $this->movePageAndSubpages( NS_USER, 'User', $oldName, $newName ); |
| 179 | $this->movePageAndSubpages( NS_USER_TALK, 'User talk', $oldName, $newName ); |
| 180 | return true; |
| 181 | } |
| 182 | |
| 183 | private function movePageAndSubpages( $ns, $nsName, $oldName, $newName ) { |
| 184 | $oldTitle = $this->titleFactory->makeTitleSafe( $ns, $oldName ); |
| 185 | if ( !$oldTitle ) { |
| 186 | $this->output( "[[$nsName:$oldName]] is an invalid title, can't move it.\n" ); |
| 187 | return true; |
| 188 | } |
| 189 | $newTitle = $this->titleFactory->makeTitleSafe( $ns, $newName ); |
| 190 | if ( !$newTitle ) { |
| 191 | $this->output( "[[$nsName:$newName]] is an invalid title, can't move to it.\n" ); |
| 192 | return true; |
| 193 | } |
| 194 | |
| 195 | $movePage = $this->movePageFactory->newMovePage( $oldTitle, $newTitle ); |
| 196 | $movePage->setMaximumMovedPages( -1 ); |
| 197 | |
| 198 | $logMessage = wfMessage( |
| 199 | 'renameuser-move-log', $oldName, $newName |
| 200 | )->inContentLanguage()->text(); |
| 201 | |
| 202 | if ( $this->dryRun ) { |
| 203 | if ( $oldTitle->exists() ) { |
| 204 | $this->output( "Would move [[$nsName:$oldName]] to [[$nsName:$newName]].\n" ); |
| 205 | } |
| 206 | } else { |
| 207 | if ( $oldTitle->exists() ) { |
| 208 | $status = $movePage->move( |
| 209 | $this->performer, $logMessage, !$this->suppressRedirect ); |
| 210 | } else { |
| 211 | $status = Status::newGood(); |
| 212 | } |
| 213 | $status->merge( $movePage->moveSubpages( |
| 214 | $this->performer, $logMessage, !$this->suppressRedirect ) ); |
| 215 | if ( !$status->isGood() ) { |
| 216 | $this->output( "Failed to rename user page: " . |
| 217 | $status->getWikiText( false, false, 'en' ) . |
| 218 | "\n" ); |
| 219 | } |
| 220 | } |
| 221 | return true; |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | $maintClass = RenameUsersMatchingPattern::class; |
| 226 | require_once RUN_MAINTENANCE_IF_MAIN; |