223 lines
7.2 KiB
PHP
223 lines
7.2 KiB
PHP
<?php
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/*
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* Created on Jun 30, 2007
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* API for MediaWiki 1.8+
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*
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* Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
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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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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*/
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if (!defined('MEDIAWIKI')) {
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// Eclipse helper - will be ignored in production
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require_once ("ApiBase.php");
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}
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/**
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* API module that facilitates deleting pages. The API eqivalent of action=delete.
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* Requires API write mode to be enabled.
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*
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* @ingroup API
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*/
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class ApiDelete extends ApiBase {
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public function __construct($main, $action) {
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parent :: __construct($main, $action);
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}
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/**
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* Extracts the title, token, and reason from the request parameters and invokes
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* the local delete() function with these as arguments. It does not make use of
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* the delete function specified by Article.php. If the deletion succeeds, the
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* details of the article deleted and the reason for deletion are added to the
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* result object.
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*/
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public function execute() {
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global $wgUser;
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$this->getMain()->requestWriteMode();
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$params = $this->extractRequestParams();
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$this->requireOnlyOneParameter($params, 'title', 'pageid');
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if(!isset($params['token']))
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$this->dieUsageMsg(array('missingparam', 'token'));
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if(isset($params['title']))
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{
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$titleObj = Title::newFromText($params['title']);
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if(!$titleObj)
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$this->dieUsageMsg(array('invalidtitle', $params['title']));
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}
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else if(isset($params['pageid']))
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{
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$titleObj = Title::newFromID($params['pageid']);
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if(!$titleObj)
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$this->dieUsageMsg(array('nosuchpageid', $params['pageid']));
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}
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if(!$titleObj->exists())
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$this->dieUsageMsg(array('notanarticle'));
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$reason = (isset($params['reason']) ? $params['reason'] : NULL);
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if ($titleObj->getNamespace() == NS_FILE) {
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$retval = self::deleteFile($params['token'], $titleObj, $params['oldimage'], $reason, false);
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if(count($retval))
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// We don't care about multiple errors, just report one of them
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$this->dieUsageMsg(current($retval));
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} else {
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$articleObj = new Article($titleObj);
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if($articleObj->isBigDeletion() && !$wgUser->isAllowed('bigdelete')) {
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global $wgDeleteRevisionsLimit;
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$this->dieUsageMsg(array('delete-toobig', $wgDeleteRevisionsLimit));
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}
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$retval = self::delete($articleObj, $params['token'], $reason);
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if(count($retval))
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// We don't care about multiple errors, just report one of them
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$this->dieUsageMsg(current($retval));
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if($params['watch'] || $wgUser->getOption('watchdeletion'))
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$articleObj->doWatch();
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else if($params['unwatch'])
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$articleObj->doUnwatch();
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}
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$r = array('title' => $titleObj->getPrefixedText(), 'reason' => $reason);
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$this->getResult()->addValue(null, $this->getModuleName(), $r);
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}
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private static function getPermissionsError(&$title, $token) {
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global $wgUser;
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// Check permissions
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$errors = $title->getUserPermissionsErrors('delete', $wgUser);
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if (count($errors) > 0) return $errors;
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// Check token
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if(!$wgUser->matchEditToken($token))
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return array(array('sessionfailure'));
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return array();
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}
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/**
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* We have our own delete() function, since Article.php's implementation is split in two phases
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*
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* @param Article $article - Article object to work on
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* @param string $token - Delete token (same as edit token)
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* @param string $reason - Reason for the deletion. Autogenerated if NULL
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* @return Title::getUserPermissionsErrors()-like array
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*/
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public static function delete(&$article, $token, &$reason = NULL)
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{
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global $wgUser;
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$title = $article->getTitle();
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$errors = self::getPermissionsError($title, $token);
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if (count($errors)) return $errors;
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// Auto-generate a summary, if necessary
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if(is_null($reason))
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{
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# Need to pass a throwaway variable because generateReason expects
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# a reference
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$hasHistory = false;
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$reason = $article->generateReason($hasHistory);
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if($reason === false)
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return array(array('cannotdelete'));
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}
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$error = '';
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if (!wfRunHooks('ArticleDelete', array(&$article, &$wgUser, &$reason, $error)))
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$this->dieUsageMsg(array('hookaborted', $error));
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// Luckily, Article.php provides a reusable delete function that does the hard work for us
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if($article->doDeleteArticle($reason)) {
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wfRunHooks('ArticleDeleteComplete', array(&$article, &$wgUser, $reason, $article->getId()));
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return array();
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}
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return array(array('cannotdelete', $article->mTitle->getPrefixedText()));
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}
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public static function deleteFile($token, &$title, $oldimage, &$reason = NULL, $suppress = false)
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{
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$errors = self::getPermissionsError($title, $token);
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if (count($errors)) return $errors;
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if( $oldimage && !FileDeleteForm::isValidOldSpec($oldimage) )
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return array(array('invalidoldimage'));
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$file = wfFindFile($title, false, FileRepo::FIND_IGNORE_REDIRECT);
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$oldfile = false;
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if( $oldimage )
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$oldfile = RepoGroup::singleton()->getLocalRepo()->newFromArchiveName( $title, $oldimage );
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if( !FileDeleteForm::haveDeletableFile($file, $oldfile, $oldimage) )
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return array(array('nofile'));
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if (is_null($reason)) # Log and RC don't like null reasons
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$reason = '';
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$status = FileDeleteForm::doDelete( $title, $file, $oldimage, $reason, $suppress );
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if( !$status->isGood() )
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return array(array('cannotdelete', $title->getPrefixedText()));
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return array();
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}
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public function mustBePosted() { return true; }
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public function getAllowedParams() {
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return array (
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'title' => null,
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'pageid' => array(
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ApiBase::PARAM_TYPE => 'integer'
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),
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'token' => null,
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'reason' => null,
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'watch' => false,
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'unwatch' => false,
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'oldimage' => null
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);
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}
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public function getParamDescription() {
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return array (
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'title' => 'Title of the page you want to delete. Cannot be used together with pageid',
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'pageid' => 'Page ID of the page you want to delete. Cannot be used together with title',
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'token' => 'A delete token previously retrieved through prop=info',
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'reason' => 'Reason for the deletion. If not set, an automatically generated reason will be used.',
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'watch' => 'Add the page to your watchlist',
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'unwatch' => 'Remove the page from your watchlist',
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'oldimage' => 'The name of the old image to delete as provided by iiprop=archivename'
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);
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}
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public function getDescription() {
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return array(
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'Delete a page.'
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);
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}
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protected function getExamples() {
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return array (
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'api.php?action=delete&title=Main%20Page&token=123ABC',
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'api.php?action=delete&title=Main%20Page&token=123ABC&reason=Preparing%20for%20move'
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);
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}
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public function getVersion() {
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return __CLASS__ . ': $Id$';
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}
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}
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