mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/ConfirmEdit
synced 2024-11-14 19:30:11 +00:00
131 lines
4.4 KiB
PHP
131 lines
4.4 KiB
PHP
<?php
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/**
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* Generate 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 = dirname(__FILE__).'/../../..';
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}
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require_once( "$IP/maintenance/Maintenance.php" );
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/**
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* Maintenance script to change the password of a given user.
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*
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* @ingroup Maintenance
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*/
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class GenerateFancyCaptchas extends Maintenance {
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public function __construct() {
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parent::__construct();
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// See captcha.py for argument usage
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$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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$this->addOption( "verbose", "Show debugging information" );
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$this->mDescription = "Generate new captchas and move them into storage";
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}
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public function execute() {
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global $wgCaptchaSecret, $wgCaptchaDirectoryLevels;
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$instance = ConfirmEditHooks::getInstance();
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if ( !( $instance instanceof FancyCaptcha ) ) {
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$this->error( "\$wgCaptchaClass is not FancyCaptcha.\n", 1 );
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}
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$backend = $instance->getBackend();
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$countAct = $instance->estimateCaptchaCount();
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$this->output( "Estimated number of captchas is $countAct.\n" );
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$countGen = (int)$this->getOption( 'fill' ) - $countAct;
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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->error( "Could not create temp directory.\n", 1 );
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}
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$e = null; // exception
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try {
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$cmd = sprintf( "python %s --key %s --output %s --count %s --dirs %s",
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wfEscapeShellArg( __DIR__ . '/../captcha.py' ),
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wfEscapeShellArg( $wgCaptchaSecret ),
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wfEscapeShellArg( $tmpDir ),
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wfEscapeShellArg( $countGen ),
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wfEscapeShellArg( $wgCaptchaDirectoryLevels )
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);
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foreach ( array( 'wordlist', 'font', 'font-size', 'blacklist', 'verbose' ) as $par ) {
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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 $countGen new captchas...\n" );
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$retVal = 1;
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wfShellExec( $cmd, $retVal, array(), array( 'time' => 0 ) );
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if ( $retVal != 0 ) {
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wfRecursiveRemoveDir( $tmpDir );
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$this->error( "Could not run generation script.\n", 1 );
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}
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$flags = FilesystemIterator::SKIP_DOTS;
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$iter = new RecursiveIteratorIterator(
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new RecursiveDirectoryIterator( $tmpDir, $flags ),
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RecursiveIteratorIterator::CHILD_FIRST // include dirs
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);
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$this->output( "Copying the new captchas to storage...\n" );
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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( array( 'dir' => dirname( $dest ) ) );
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$status = $backend->quickStore( array(
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'src' => $fileInfo->getPathname(),
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'dst' => $dest
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) );
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if ( !$status->isOK() ) {
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$this->error( "Could not save file '{$fileInfo->getPathname()}'.\n" );
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}
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}
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} catch ( Exception $e ) {
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wfRecursiveRemoveDir( $tmpDir );
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throw $e;
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}
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$this->output( "Removing temporary files...\n" );
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wfRecursiveRemoveDir( $tmpDir );
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$this->output( "Done.\n" );
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}
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}
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$maintClass = "GenerateFancyCaptchas";
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require_once( RUN_MAINTENANCE_IF_MAIN );
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