includes/api/ApiRollback.php

   1 <?php
   2
   3 /*
   4  * Created on Jun 20, 2007
   5  * API for MediaWiki 1.8+
   6  *
   7  * Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  */
  24
  25 if (!defined('MEDIAWIKI')) {
  26         // Eclipse helper - will be ignored in production
  27         require_once ("ApiBase.php");
  28 }
  29
  30 /**
  31  * @addtogroup API
  32  */
  33 class ApiRollback extends ApiBase {
  34
  35         public function __construct($main, $action) {
  36                 parent :: __construct($main, $action);
  37         }
  38
  39         public function execute() {
  40                 global $wgUser;
  41                 $this->getMain()->requestWriteMode();
  42                 $params = $this->extractRequestParams();
  43
  44                 $titleObj = NULL;
  45                 if(!isset($params['title']))
  46                         $this->dieUsageMsg(array('missingparam', 'title'));
  47                 if(!isset($params['user']))
  48                         $this->dieUsageMsg(array('missingparam', 'user'));
  49                 if(!isset($params['token']))
  50                         $this->dieUsageMsg(array('missingparam', 'token'));
  51
  52                 $titleObj = Title::newFromText($params['title']);
  53                 if(!$titleObj)
  54                         $this->dieUsageMsg(array('invalidtitle', $params['title']));
  55                 if(!$titleObj->exists())
  56                         $this->dieUsageMsg(array('notanarticle'));
  57
  58                 $username = User::getCanonicalName($params['user']);
  59                 if(!$username)
  60                         $this->dieUsageMsg(array('invaliduser', $params['user']));
  61
  62                 $articleObj = new Article($titleObj);
  63                 $summary = (isset($params['summary']) ? $params['summary'] : "");
  64                 $details = null;
  65                 $dbw = wfGetDb(DB_MASTER);
  66                 $dbw->begin();
  67                 $retval = $articleObj->doRollback($username, $summary, $params['token'], $params['markbot'], $details);
  68
  69                 if(!empty($retval))
  70                         // We don't care about multiple errors, just report one of them
  71                         $this->dieUsageMsg(current($retval));
  72
  73                 $dbw->commit();
  74                 $current = $target = $summary = NULL;
  75                 extract($details);
  76
  77                 $info = array(
  78                         'title' => $titleObj->getPrefixedText(),
  79                         'pageid' => $current->getPage(),
  80                         'summary' => $summary,
  81                         'revid' => $titleObj->getLatestRevID(),
  82                         'old_revid' => $current->getID(),
  83                         'last_revid' => $target->getID()
  84                 );
  85
  86                 $this->getResult()->addValue(null, $this->getModuleName(), $info);
  87         }
  88
  89         public function mustBePosted() { return true; }
  90
  91         public function getAllowedParams() {
  92                 return array (
  93                         'title' => null,
  94                         'user' => null,
  95                         'token' => null,
  96                         'summary' => null,
  97                         'markbot' => false
  98                 );
  99         }
 100
 101         public function getParamDescription() {
 102                 return array (
 103                         'title' => 'Title of the page you want to rollback.',
 104                         'user' => 'Name of the user whose edits are to be rolled back. If set incorrectly, you\'ll get a badtoken error.',
 105                         'token' => 'A rollback token previously retrieved through prop=info',
 106                         'summary' => 'Custom edit summary. If not set, default summary will be used.',
 107                         'markbot' => 'Mark the reverted edits and the revert as bot edits'
 108                 );
 109         }
 110
 111         public function getDescription() {
 112                 return array(
 113                                 'Undoes the last edit to the page. If the last user who edited the page made multiple edits in a row,',
 114                                 'they will all be rolled back. You need to be logged in as a sysop to use this function, see also action=login.'
 115                         );
 116         }
 117
 118         protected function getExamples() {
 119                 return array (
 120                         'api.php?action=rollback&title=Main%20Page&user=Catrope&token=123ABC',
 121                         'api.php?action=rollback&title=Main%20Page&user=217.121.114.116&token=123ABC&summary=Reverting%20vandalism&markbot=1'
 122                 );
 123         }
 124
 125         public function getVersion() {
 126                 return __CLASS__ . ': $Id$';
 127         }
 128 }