DeleteOldFancyCaptchas.php

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<?php
if ( getenv( 'MW_INSTALL_PATH' ) ) {
    $IP = getenv( 'MW_INSTALL_PATH' );
} else {
    $IP = __DIR__ . '/../../..';
}
 
require_once "$IP/maintenance/Maintenance.php";
 
class DeleteOldFancyCaptchas extends Maintenance {
    public function __construct() {
        parent::__construct();
        $this->mDescription = "Deletes old fancy captchas from storage";
        $this->addOption(
            "date",
            'Delete fancy captchas that were created before this date (e.g. 20170101000000)',
            true,
            true
        );
        $this->requireExtension( "FancyCaptcha" );
    }
 
    public function execute() {
        $instance = ConfirmEditHooks::getInstance();
        if ( !( $instance instanceof FancyCaptcha ) ) {
            $this->error( "\$wgCaptchaClass is not FancyCaptcha.\n", 1 );
        }
 
        $countAct = $instance->getCaptchaCount();
        $this->output( "Current number of captchas is $countAct.\n" );
 
        $backend = $instance->getBackend();
        $dir = $backend->getRootStoragePath() . '/captcha-render';
 
        $filesToDelete = [];
        $deleteDate = $this->getOption( 'date' );
        foreach (
            $backend->getFileList( [ 'dir' => $dir ] ) as $file
        ) {
            $fullPath = $dir . '/' . $file;
            $timestamp = $backend->getFileTimestamp( [ 'src' => $fullPath ] );
            if ( $timestamp < $deleteDate ) {
                $filesToDelete[] = [ 'op' => 'delete', 'src' => $fullPath, ];
            }
        }
 
        $count = count( $filesToDelete );
 
        if ( !$count ) {
            $this->output( "No old fancy captchas to delete!\n" );
            return;
        }
 
        $ret = $backend->doQuickOperations( $filesToDelete );
 
        if ( $ret->isOK() ) {
            $this->output( "$count old fancy captchas deleted.\n" );
        } else {
            $this->output( "Deleting old captchas errored.\n" );
            $this->output( implode( "\n", $ret->getErrors() ) );
        }
    }
}
 
$maintClass = "DeleteOldFancyCaptchas";
require_once RUN_MAINTENANCE_IF_MAIN;