includes/api/ApiProtect.php

   1 <?php
   2
   3 /*
   4  * Created on Sep 1, 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 ApiProtect 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['token']))
  48                         $this->dieUsageMsg(array('missingparam', 'token'));
  49                 if(!isset($params['protections']) || empty($params['protections']))
  50                         $this->dieUsageMsg(array('missingparam', 'protections'));
  51
  52                 if(!$wgUser->matchEditToken($params['token']))
  53                         $this->dieUsageMsg(array('sessionfailure'));
  54
  55                 $titleObj = Title::newFromText($params['title']);
  56                 if(!$titleObj)
  57                         $this->dieUsageMsg(array('invalidtitle', $params['title']));
  58
  59                 $errors = $titleObj->getUserPermissionsErrors('protect', $wgUser);
  60                 if(!empty($errors))
  61                         // We don't care about multiple errors, just report one of them
  62                         $this->dieUsageMsg(current($errors));
  63
  64                 if(in_array($params['expiry'], array('infinite', 'indefinite', 'never')))
  65                         $expiry = Block::infinity();
  66                 else
  67                 {
  68                         $expiry = strtotime($params['expiry']);
  69                         if($expiry < 0 || $expiry == false)
  70                                 $this->dieUsageMsg(array('invalidexpiry'));
  71
  72                         $expiry = wfTimestamp(TS_MW, $expiry);
  73                         if($expiry < wfTimestampNow())
  74                                 $this->dieUsageMsg(array('pastexpiry'));
  75                 }
  76
  77                 $protections = array();
  78                 foreach($params['protections'] as $prot)
  79                 {
  80                         $p = explode('=', $prot);
  81                         $protections[$p[0]] = ($p[1] == 'all' ? '' : $p[1]);
  82                         if($titleObj->exists() && $p[0] == 'create')
  83                                 $this->dieUsageMsg(array('create-titleexists'));
  84                         if(!$titleObj->exists() && $p[0] != 'create')
  85                                 $this->dieUsageMsg(array('missingtitles-createonly'));
  86                 }
  87
  88                 $dbw = wfGetDb(DB_MASTER);
  89                 $dbw->begin();
  90                 if($titleObj->exists()) {
  91                         $articleObj = new Article($titleObj);
  92                         $ok = $articleObj->updateRestrictions($protections, $params['reason'], $params['cascade'], $expiry);
  93                 } else
  94                         $ok = $titleObj->updateTitleProtection($protections['create'], $params['reason'], $expiry);
  95                 if(!$ok)
  96                         // This is very weird. Maybe the article was deleted or the user was blocked/desysopped in the meantime?
  97                         // Just throw an unknown error in this case, as it's very likely to be a race condition
  98                         $this->dieUsageMsg(array());
  99                 $dbw->commit();
 100                 $res = array('title' => $titleObj->getPrefixedText(), 'reason' => $params['reason']);
 101                 if($expiry == Block::infinity())
 102                         $res['expiry'] = 'infinity';
 103                 else
 104                         $res['expiry'] = wfTimestamp(TS_ISO_8601, $expiry);
 105
 106                 if($params['cascade'])
 107                         $res['cascade'] = '';
 108                 $res['protections'] = $protections;
 109                 $this->getResult()->addValue(null, $this->getModuleName(), $res);
 110         }
 111
 112         public function mustBePosted() { return true; }
 113
 114         public function getAllowedParams() {
 115                 return array (
 116                         'title' => null,
 117                         'token' => null,
 118                         'protections' => array(
 119                                 ApiBase :: PARAM_ISMULTI => true
 120                         ),
 121                         'expiry' => 'infinite',
 122                         'reason' => '',
 123                         'cascade' => false
 124                 );
 125         }
 126
 127         public function getParamDescription() {
 128                 return array (
 129                         'title' => 'Title of the page you want to restore.',
 130                         'token' => 'A protect token previously retrieved through prop=info',
 131                         'protections' => 'Pipe-separated list of protection levels, formatted action=group (e.g. edit=sysop)',
 132                         'expiry' => 'Expiry timestamp. If set to \'infinite\', \'indefinite\' or \'never\', the protection will never expire.',
 133                         'reason' => 'Reason for (un)protecting (optional)',
 134                         'cascade' => 'Enable cascading protection (i.e. protect pages included in this page)'
 135                 );
 136         }
 137
 138         public function getDescription() {
 139                 return array(
 140                         'Change the protection level of a page.'
 141                 );
 142         }
 143
 144         protected function getExamples() {
 145                 return array (
 146                         'api.php?action=protect&title=Main%20Page&token=123ABC&protections=edit=sysop|move=sysop&cascade&expiry=20070901163000',
 147                         'api.php?action=protect&title=Main%20Page&token=123ABC&protections=edit=all|move=all&reason=Lifting%20restrictions'
 148                 );
 149         }
 150
 151         public function getVersion() {
 152                 return __CLASS__ . ': $Id$';
 153         }
 154 }