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<?php
/*
* Created on Jun 30, 2007
* API for MediaWiki 1.8+
*
* Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
*
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*/
if (!defined('MEDIAWIKI')) {
// Eclipse helper - will be ignored in production
require_once ("ApiBase.php");
}
/**
* API module that facilitates deleting pages. The API eqivalent of action=delete.
* Requires API write mode to be enabled.
*
* @ingroup API
*/
class ApiDelete extends ApiBase {
public function __construct($main, $action) {
parent :: __construct($main, $action);
}
/**
* Extracts the title, token, and reason from the request parameters and invokes
* the local delete() function with these as arguments. It does not make use of
* the delete function specified by Article.php. If the deletion succeeds, the
* details of the article deleted and the reason for deletion are added to the
* result object.
*/
public function execute() {
global $wgUser;
$this->getMain()->requestWriteMode();
$params = $this->extractRequestParams();
$this->requireOnlyOneParameter($params, 'title', 'pageid');
if(!isset($params['token']))
$this->dieUsageMsg(array('missingparam', 'token'));
if(isset($params['title']))
{
$titleObj = Title::newFromText($params['title']);
if(!$titleObj)
$this->dieUsageMsg(array('invalidtitle', $params['title']));
}
else if(isset($params['pageid']))
{
$titleObj = Title::newFromID($params['pageid']);
if(!$titleObj)
$this->dieUsageMsg(array('nosuchpageid', $params['pageid']));
}
if(!$titleObj->exists())
$this->dieUsageMsg(array('notanarticle'));
$reason = (isset($params['reason']) ? $params['reason'] : NULL);
if ($titleObj->getNamespace() == NS_FILE) {
$retval = self::deleteFile($params['token'], $titleObj, $params['oldimage'], $reason, false);
if(count($retval))
// We don't care about multiple errors, just report one of them
$this->dieUsageMsg(current($retval));
} else {
$articleObj = new Article($titleObj);
$retval = self::delete($articleObj, $params['token'], $reason);
if(count($retval))
// We don't care about multiple errors, just report one of them
$this->dieUsageMsg(current($retval));
if($params['watch'] || $wgUser->getOption('watchdeletion'))
$articleObj->doWatch();
else if($params['unwatch'])
$articleObj->doUnwatch();
}
$r = array('title' => $titleObj->getPrefixedText(), 'reason' => $reason);
$this->getResult()->addValue(null, $this->getModuleName(), $r);
}
private static function getPermissionsError(&$title, $token) {
global $wgUser;
// Check permissions
$errors = $title->getUserPermissionsErrors('delete', $wgUser);
if (count($errors) > 0) return $errors;
// Check token
if(!$wgUser->matchEditToken($token))
return array(array('sessionfailure'));
return array();
}
/**
* We have our own delete() function, since Article.php's implementation is split in two phases
*
* @param Article $article - Article object to work on
* @param string $token - Delete token (same as edit token)
* @param string $reason - Reason for the deletion. Autogenerated if NULL
* @return Title::getUserPermissionsErrors()-like array
*/
public static function delete(&$article, $token, &$reason = NULL)
{
global $wgUser;
$title = $article->getTitle();
$errors = self::getPermissionsError($title, $token);
if (count($errors)) return $errors;
// Auto-generate a summary, if necessary
if(is_null($reason))
{
# Need to pass a throwaway variable because generateReason expects
# a reference
$hasHistory = false;
$reason = $article->generateReason($hasHistory);
if($reason === false)
return array(array('cannotdelete'));
}
if (!wfRunHooks('ArticleDelete', array(&$article, &$wgUser, &$reason)))
$this->dieUsageMsg(array('hookaborted'));
// Luckily, Article.php provides a reusable delete function that does the hard work for us
if($article->doDeleteArticle($reason)) {
wfRunHooks('ArticleDeleteComplete', array(&$article, &$wgUser, $reason, $article->getId()));
return array();
}
return array(array('cannotdelete', $article->mTitle->getPrefixedText()));
}
public static function deleteFile($token, &$title, $oldimage, &$reason = NULL, $suppress = false)
{
$errors = self::getPermissionsError($title, $token);
if (count($errors)) return $errors;
if( $oldimage && !FileDeleteForm::isValidOldSpec($oldimage) )
return array(array('invalidoldimage'));
$file = wfFindFile($title, false, FileRepo::FIND_IGNORE_REDIRECT);
$oldfile = false;
if( $oldimage )
$oldfile = RepoGroup::singleton()->getLocalRepo()->newFromArchiveName( $title, $oldimage );
if( !FileDeleteForm::haveDeletableFile($file, $oldfile, $oldimage) )
return array(array('nofile'));
if (is_null($reason)) # Log and RC don't like null reasons
$reason = '';
$status = FileDeleteForm::doDelete( $title, $file, $oldimage, $reason, $suppress );
if( !$status->isGood() )
return array(array('cannotdelete', $title->getPrefixedText()));
return array();
}
public function mustBePosted() { return true; }
public function getAllowedParams() {
return array (
'title' => null,
'pageid' => array(
ApiBase::PARAM_TYPE => 'integer'
),
'token' => null,
'reason' => null,
'watch' => false,
'unwatch' => false,
'oldimage' => null
);
}
public function getParamDescription() {
return array (
'title' => 'Title of the page you want to delete. Cannot be used together with pageid',
'pageid' => 'Page ID of the page you want to delete. Cannot be used together with title',
'token' => 'A delete token previously retrieved through prop=info',
'reason' => 'Reason for the deletion. If not set, an automatically generated reason will be used.',
'watch' => 'Add the page to your watchlist',
'unwatch' => 'Remove the page from your watchlist',
'oldimage' => 'The name of the old image to delete as provided by iiprop=archivename'
);
}
public function getDescription() {
return array(
'Delete a page.'
);
}
protected function getExamples() {
return array (
'api.php?action=delete&title=Main%20Page&token=123ABC',
'api.php?action=delete&title=Main%20Page&token=123ABC&reason=Preparing%20for%20move'
);
}
public function getVersion() {
return __CLASS__ . ': $Id: ApiDelete.php 44541 2008-12-13 21:07:18Z mrzman $';
}
}
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