mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/ConfirmEdit
synced 2024-11-15 03:35:15 +00:00
268 lines
7.6 KiB
PHP
268 lines
7.6 KiB
PHP
<?php
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/**
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* Generate fancy captchas using a python script and copy them into storage.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @author Aaron Schulz
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* @ingroup Maintenance
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*/
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if ( getenv( 'MW_INSTALL_PATH' ) ) {
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$IP = getenv( 'MW_INSTALL_PATH' );
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} else {
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$IP = __DIR__ . '/../../..';
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}
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require_once "$IP/maintenance/Maintenance.php";
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/**
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* Maintenance script to generate fancy captchas using a python script and copy them into storage.
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*
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* @ingroup Maintenance
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*/
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class GenerateFancyCaptchas extends Maintenance {
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public function __construct() {
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parent::__construct();
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// See captcha.py for argument usage
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$this->addOption( "wordlist", 'A list of words', true, true );
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$this->addOption( "font", "The font to use", true, true );
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$this->addOption( "font-size", "The font size ", false, true );
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$this->addOption( "blacklist", "A blacklist of words that should not be used", false, true );
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$this->addOption( "fill", "Fill the captcha container to N files", true, true );
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$this->addOption(
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"verbose",
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"Show debugging information when running the captcha python script"
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);
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$this->addOption(
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"oldcaptcha",
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"Whether to use captcha-old.py which doesn't have OCR fighting improvements"
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);
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$this->addOption( "delete", "Deletes all the old captchas" );
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$this->addOption( "threads", "The number of threads to use to generate the images",
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false, true );
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$this->addDescription( "Generate new fancy captchas and move them into storage" );
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$this->requireExtension( "FancyCaptcha" );
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}
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public function execute() {
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global $wgCaptchaSecret, $wgCaptchaDirectoryLevels;
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$totalTime = -microtime( true );
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$instance = ConfirmEditHooks::getInstance();
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if ( !( $instance instanceof FancyCaptcha ) ) {
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$this->fatalError( "\$wgCaptchaClass is not FancyCaptcha.\n", 1 );
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}
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$backend = $instance->getBackend();
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$deleteOldCaptchas = $this->getOption( 'delete' );
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$countGen = (int)$this->getOption( 'fill' );
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if ( !$deleteOldCaptchas ) {
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$countAct = $instance->getCaptchaCount();
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$this->output( "Current number of captchas is $countAct.\n" );
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$countGen -= $countAct;
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}
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if ( $countGen <= 0 ) {
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$this->output( "No need to generate anymore captchas.\n" );
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return;
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}
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$tmpDir = wfTempDir() . '/mw-fancycaptcha-' . time() . '-' . wfRandomString( 6 );
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if ( !wfMkdirParents( $tmpDir ) ) {
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$this->fatalError( "Could not create temp directory.\n", 1 );
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}
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$captchaScript = 'captcha.py';
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if ( $this->hasOption( 'oldcaptcha' ) ) {
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$captchaScript = 'captcha-old.py';
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}
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$cmd = sprintf( "python3 %s --key %s --output %s --count %s --dirs %s",
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wfEscapeShellArg( dirname( __DIR__ ) . '/' . $captchaScript ),
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wfEscapeShellArg( $wgCaptchaSecret ),
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wfEscapeShellArg( $tmpDir ),
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wfEscapeShellArg( (string)$countGen ),
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wfEscapeShellArg( $wgCaptchaDirectoryLevels )
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);
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foreach (
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[ 'wordlist', 'font', 'font-size', 'blacklist', 'verbose', 'threads' ] as $par
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) {
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if ( $this->hasOption( $par ) ) {
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$cmd .= " --$par " . wfEscapeShellArg( $this->getOption( $par ) );
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}
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}
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$this->output( "Generating $countGen new captchas.." );
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$retVal = 1;
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$captchaTime = -microtime( true );
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wfShellExec( $cmd, $retVal, [], [ 'time' => 0 ] );
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if ( $retVal != 0 ) {
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$this->output( " Failed.\n" );
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wfRecursiveRemoveDir( $tmpDir );
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$this->fatalError( "An error occured when running $captchaScript.\n", 1 );
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}
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$captchaTime += microtime( true );
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$this->output( " Done.\n" );
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$this->output(
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sprintf(
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"\nGenerated %d captchas in %.1f seconds\n",
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$countGen,
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$captchaTime
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)
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);
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$filesToDelete = [];
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if ( $deleteOldCaptchas ) {
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$this->output( "Getting a list of old captchas to delete..." );
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$path = $backend->getRootStoragePath() . '/captcha-render';
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foreach ( $backend->getFileList( [ 'dir' => $path ] ) as $file ) {
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$filesToDelete[] = [
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'op' => 'delete',
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'src' => $path . '/' . $file,
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];
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}
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$this->output( " Done.\n" );
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}
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$this->output( "Copying the new captchas to storage..." );
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$storeTime = -microtime( true );
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$iter = new RecursiveIteratorIterator(
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new RecursiveDirectoryIterator(
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$tmpDir,
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FilesystemIterator::SKIP_DOTS
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),
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RecursiveIteratorIterator::LEAVES_ONLY
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);
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$captchasGenerated = iterator_count( $iter );
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$filesToStore = [];
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/**
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* @var $fileInfo SplFileInfo
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*/
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foreach ( $iter as $fileInfo ) {
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if ( !$fileInfo->isFile() ) {
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continue;
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}
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list( $salt, $hash ) = $instance->hashFromImageName( $fileInfo->getBasename() );
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$dest = $instance->imagePath( $salt, $hash );
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$backend->prepare( [ 'dir' => dirname( $dest ) ] );
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$filesToStore[] = [
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'op' => 'store',
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'src' => $fileInfo->getPathname(),
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'dst' => $dest,
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];
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}
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$ret = $backend->doQuickOperations( $filesToStore );
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$storeTime += microtime( true );
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$storeSucceeded = true;
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if ( $ret->isOK() ) {
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$this->output( " Done.\n" );
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$this->output(
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sprintf(
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"\nCopied %d captchas to storage in %.1f seconds\n",
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$ret->successCount,
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$storeTime
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)
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);
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if ( !$ret->isGood() ) {
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$this->output(
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"Non fatal errors:\n" .
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Status::wrap( $ret )->getWikiText( false, false, 'en' ) .
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"\n"
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);
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}
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if ( $ret->failCount ) {
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$storeSucceeded = false;
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$this->error( sprintf( "\nFailed to copy %d captchas\n", $ret->failCount ) );
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}
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if ( $ret->successCount + $ret->failCount !== $captchasGenerated ) {
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$storeSucceeded = false;
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$this->error(
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sprintf( "Internal error: captchasGenerated: %d, successCount: %d, failCount: %d\n",
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$captchasGenerated, $ret->successCount, $ret->failCount
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)
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);
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}
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} else {
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$storeSucceeded = false;
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$this->output( "Errored.\n" );
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$this->error(
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Status::wrap( $ret )->getWikiText( false, false, 'en' ) .
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"\n"
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);
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}
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if ( $storeSucceeded && $deleteOldCaptchas ) {
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$numOriginalFiles = count( $filesToDelete );
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$this->output( "Deleting {$numOriginalFiles} old captchas...\n" );
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$deleteTime = -microtime( true );
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$ret = $backend->doQuickOperations( $filesToDelete );
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$deleteTime += microtime( true );
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if ( $ret->isOK() ) {
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$this->output( "Done.\n" );
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$this->output(
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sprintf(
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"\nDeleted %d old captchas in %.1f seconds\n",
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$numOriginalFiles,
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$deleteTime
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)
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);
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if ( !$ret->isGood() ) {
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$this->output(
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"Non fatal errors:\n" .
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Status::wrap( $ret )->getWikiText( false, false, 'en' ) .
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"\n"
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);
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}
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} else {
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$this->output( "Errored.\n" );
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$this->error(
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Status::wrap( $ret )->getWikiText( false, false, 'en' ) .
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"\n"
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);
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}
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}
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$this->output( "Removing temporary files..." );
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wfRecursiveRemoveDir( $tmpDir );
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$this->output( " Done.\n" );
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$totalTime += microtime( true );
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$this->output(
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sprintf(
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"\nWhole captchas generation process took %.1f seconds\n",
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$totalTime
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)
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);
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}
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}
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$maintClass = GenerateFancyCaptchas::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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