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<?php
/**
* Maintenance script to clean up after incomplete user renames
* Sometimes user edits are left lying around under the old name,
* check for that and assign them to the new username
*
* 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
*
* @ingroup Maintenance
* @author Ariel Glenn <ariel@wikimedia.orf>
*/
$IP = getenv( 'MW_INSTALL_PATH' );
if ( $IP === false ) {
$IP = dirname( __FILE__ ) . '/../..';
}
require( "$IP/maintenance/Maintenance.php" );
class RenameUserCleanup extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Maintenance script to finish incomplete rename user, in particular to reassign edits that were missed";
$this->addOption( 'olduser', 'Old user name', true, true );
$this->addOption( 'newuser', 'New user name', true, true );
$this->mBatchSize = 1000;
}
public function execute() {
$this->output( "Rename User Cleanup starting...\n\n" );
$olduser = User::newFromName( $this->getOption( 'olduser' ) );
$newuser = User::newFromName( $this->getOption( 'newuser' ) );
if ( !$newuser->getId() ) {
$this->error( "No such user: " . $this->getOption( 'newuser' ), true );
exit(1);
}
if ($olduser->getId() ) {
print( "WARNING!!: Old user still exists: " . $this->getOption( 'olduser' ) . "\n");
print("proceed anyways? We'll only re-attribute edits that have the new user uid (or 0) and the old user name. [N/y] ");
$stdin = fopen ("php://stdin","rt");
$line = fgets($stdin);
fclose($stdin);
if ( $line[0] != "Y" && $line[0] != "y" ) {
print("Exiting at user's request\n");
exit(0);
}
}
$dbr = wfGetDB( DB_SLAVE );
$result = $dbr->select( 'logging', '*',
array( 'log_type' => 'renameuser',
'log_action' => 'renameuser',
'log_title' => $olduser->getName(),
'log_params' => $newuser->getName()
),
__METHOD__
);
if (! $result || ! $result->numRows() ) {
// try the old format
$result = $dbr->select( 'logging', '*',
array( 'log_type' => 'renameuser',
'log_action' => 'renameuser',
'log_title' => $olduser->getName(),
),
__METHOD__
);
if (! $result || ! $result->numRows() ) {
print("No log entry found for a rename of ".$olduser->getName()." to ".$newuser->getName().", giving up\n");
exit(1);
}
else {
foreach ( $result as $row ) {
print("Found possible log entry of the rename, please check: ".$row->log_title." with comment ".$row->log_comment." on $row->log_timestamp\n");
}
}
}
else {
foreach ( $result as $row ) {
print("Found log entry of the rename: ".$olduser->getName()." to ".$newuser->getName()." on $row->log_timestamp\n");
}
}
if ($result->numRows() > 1) {
print("More than one rename entry found in the log, not sure what to do. Continue anyways? [N/y] ");
$stdin = fopen ("php://stdin","rt");
$line = fgets($stdin);
fclose($stdin);
if ( $line[0] != "Y" && $line[0] != "y" ) {
print("Exiting at user's request\n");
exit(1);
}
}
$dbw = wfGetDB( DB_MASTER );
$this->updateTable('revision', 'rev_user_text', 'rev_user', 'rev_timestamp', $olduser, $newuser, $dbw);
$this->updateTable('archive', 'ar_user_text', 'ar_user', 'ar_timestamp', $olduser, $newuser, $dbw);
$this->updateTable('logging', 'log_user_text', 'log_user', 'log_timestamp', $olduser, $newuser, $dbw);
$this->updateTable('image', 'img_user_text', 'img_user', 'img_timestamp', $olduser, $newuser, $dbw);
$this->updateTable('oldimage', 'oi_user_text', 'oi_user', 'oi_timestamp', $olduser, $newuser, $dbw);
$this->updateTable('filearchive', 'fa_user_text','fa_user', 'fa_timestamp', $olduser, $newuser, $dbw);
print "Done!\n";
exit(0);
}
public function updateTable($table,$usernamefield,$useridfield,$timestampfield,$olduser,$newuser,$dbw) {
$doUid = 0;
$contribs = $dbw->selectField( $table, 'count(*)',
array( $usernamefield => $olduser->getName(), $useridfield => $newuser->getId() ), __METHOD__ );
if ($contribs == 0) {
$contribs = $dbw->selectField( $table, 'count(*)',
array( $usernamefield => $olduser->getName(), $useridfield => 0 ), __METHOD__ );
if ($contribs > 0) {
print("Found $contribs edits to be re-attributed from table $table but the uid present is 0 (should be ".$newuser->getId().")\n");
print("If you proceed, the uid field will be set to that of the new user name (i.e. ".$newuser->getId().") in these rows.\n");
$doUid = 1;
}
else {
print("No edits to be re-attributed from table $table\n");
return(0);
}
}
else {
print("total number of edits to be re-attributed from table $table: $contribs\n");
}
print("proceed? [N/y] ");
$stdin = fopen ("php://stdin","rt");
$line = fgets($stdin);
fclose($stdin);
if ( $line[0] != "Y" && $line[0] != "y" ) {
print("skipping at user's request\n");
return(0);
}
$selectConds = array( $usernamefield => $olduser->getName() );
$updateFields = array( $usernamefield => $newuser->getName() );
$updateConds = array( $usernamefield => $olduser->getName() );
$extraConds = array( $useridfield => $newuser->getId() );
$extraCondsNoUid = array( $useridfield => 0 );
# uid in rows is set properly, use as cond to find rows, don't bother to update it
if (! $doUid) {
$selectConds = array_merge( $selectConds, $extraConds );
$updateConds = array_merge( $updateConds, $extraConds );
}
# uid in edit rows is 0, we will set it and we will only update rows with 0 uid and the old user name
else {
$selectConds = array_merge( $selectConds, $extraCondsNoUid );
$updateConds = array_merge( $updateConds, $extraCondsNoUid );
$updateFields = array_merge( $updateFields, $extraConds );
}
while ($contribs > 0) {
print("doing batch of up to approximately ".$this->mBatchSize."\n");
print("do this batch? [N/y] ");
$stdin = fopen ("php://stdin","rt");
$line = fgets($stdin);
fclose($stdin);
if ( $line[0] != "Y" && $line[0] != "y" ) {
print("skipping at user's request\n");
return(0);
}
$dbw->begin();
$result = $dbw->select( $table, $timestampfield, $selectConds , __METHOD__,
array( 'ORDER BY' => $timestampfield.' DESC', 'LIMIT' => $this->mBatchSize ) );
if (! $result) {
print("There were rows for updating but now they are gone. Skipping.\n");
$dbw->rollback();
return(0);
}
$result->seek($result->numRows() -1 );
$row = $result->fetchObject();
$timestamp = $row->$timestampfield;
$updateCondsWithTime = array_merge( $updateConds, array ("$timestampfield >= $timestamp") );
$success = $dbw->update( $table, $updateFields, $updateCondsWithTime, __METHOD__ );
if ($success) {
$rowsDone = $dbw->affectedRows();
$dbw->commit();
}
else {
print("problem with the update, rolling back and exiting\n");
$dbw->rollback();
exit(1);
}
//$contribs = User::edits( $olduser->getId() );
$contribs = $dbw->selectField( $table, 'count(*)', $selectConds, __METHOD__ );
print("updated $rowsDone edits; $contribs edits remaining to be re-attributed\n");
}
return(0);
}
}
$maintClass = "RenameUserCleanup";
require_once( RUN_MAINTENANCE_IF_MAIN );
|
