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  * @ingroup 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, $wgRestrictionTypes, $wgRestrictionLevels;
  41                 $params = $this->extractRequestParams();
  42
  43                 $titleObj = null;
  44                 if(!isset($params['title']))
  45                         $this->dieUsageMsg(array('missingparam', 'title'));
  46                 if(!isset($params['token']))
  47                         $this->dieUsageMsg(array('missingparam', 'token'));
  48                 if(empty($params['protections']))
  49                         $this->dieUsageMsg(array('missingparam', 'protections'));
  50
  51                 if(!$wgUser->matchEditToken($params['token']))
  52                         $this->dieUsageMsg(array('sessionfailure'));
  53
  54                 $titleObj = Title::newFromText($params['title']);
  55                 if(!$titleObj)
  56                         $this->dieUsageMsg(array('invalidtitle', $params['title']));
  57
  58                 $errors = $titleObj->getUserPermissionsErrors('protect', $wgUser);
  59                 if($errors)
  60                         // We don't care about multiple errors, just report one of them
  61                         $this->dieUsageMsg(reset($errors));
  62
  63                 $expiry = (array)$params['expiry'];
  64                 if(count($expiry) != count($params['protections']))
  65                 {
  66                         if(count($expiry) == 1)
  67                                 $expiry = array_fill(0, count($params['protections']), $expiry[0]);
  68                         else
  69                                 $this->dieUsageMsg(array('toofewexpiries', count($expiry), count($params['protections'])));
  70                 }
  71
  72                 $restrictionTypes = $titleObj->getRestrictionTypes();
  73
  74                 $protections = array();
  75                 $expiryarray = array();
  76                 $resultProtections = array();
  77                 foreach($params['protections'] as $i => $prot)
  78                 {
  79                         $p = explode('=', $prot);
  80                         $protections[$p[0]] = ($p[1] == 'all' ? '' : $p[1]);
  81                         if($titleObj->exists() && $p[0] == 'create')
  82                                 $this->dieUsageMsg(array('create-titleexists'));
  83                         if(!$titleObj->exists() && $p[0] != 'create')
  84                                 $this->dieUsageMsg(array('missingtitle-createonly'));
  85                         if(!in_array($p[0], $restrictionTypes) && $p[0] != 'create')
  86                                 $this->dieUsageMsg(array('protect-invalidaction', $p[0]));
  87                         if(!in_array($p[1], $wgRestrictionLevels) && $p[1] != 'all')
  88                                 $this->dieUsageMsg(array('protect-invalidlevel', $p[1]));
  89
  90                         if(in_array($expiry[$i], array('infinite', 'indefinite', 'never')))
  91                                 $expiryarray[$p[0]] = Block::infinity();
  92                         else
  93                         {
  94                                 $exp = strtotime($expiry[$i]);
  95                                 if($exp < 0 || $exp == false)
  96                                         $this->dieUsageMsg(array('invalidexpiry', $expiry[$i]));
  97
  98                                 $exp = wfTimestamp(TS_MW, $exp);
  99                                 if($exp < wfTimestampNow())
 100                                         $this->dieUsageMsg(array('pastexpiry', $expiry[$i]));
 101                                 $expiryarray[$p[0]] = $exp;
 102                         }
 103                         $resultProtections[] = array($p[0] => $protections[$p[0]],
 104                                         'expiry' => ($expiryarray[$p[0]] == Block::infinity() ?
 105                                                                 'infinite' :
 106                                                                 wfTimestamp(TS_ISO_8601, $expiryarray[$p[0]])));
 107                 }
 108
 109                 $cascade = $params['cascade'];
 110                 $articleObj = new Article($titleObj);
 111                 if($params['watch'])
 112                         $articleObj->doWatch();
 113                 if($titleObj->exists())
 114                         $ok = $articleObj->updateRestrictions($protections, $params['reason'], $cascade, $expiryarray);
 115                 else
 116                         $ok = $titleObj->updateTitleProtection($protections['create'], $params['reason'], $expiryarray['create']);
 117                 if(!$ok)
 118                         // This is very weird. Maybe the article was deleted or the user was blocked/desysopped in the meantime?
 119                         // Just throw an unknown error in this case, as it's very likely to be a race condition
 120                         $this->dieUsageMsg(array());
 121                 $res = array('title' => $titleObj->getPrefixedText(), 'reason' => $params['reason']);
 122                 if($cascade)
 123                         $res['cascade'] = '';
 124                 $res['protections'] = $resultProtections;
 125                 $this->getResult()->setIndexedTagName($res['protections'], 'protection');
 126                 $this->getResult()->addValue(null, $this->getModuleName(), $res);
 127         }
 128
 129         public function mustBePosted() { return true; }
 130
 131         public function isWriteMode() {
 132                 return true;
 133         }
 134
 135         public function getAllowedParams() {
 136                 return array (
 137                         'title' => null,
 138                         'token' => null,
 139                         'protections' => array(
 140                                 ApiBase :: PARAM_ISMULTI => true
 141                         ),
 142                         'expiry' => array(
 143                                 ApiBase :: PARAM_ISMULTI => true,
 144                                 ApiBase :: PARAM_ALLOW_DUPLICATES => true,
 145                                 ApiBase :: PARAM_DFLT => 'infinite',
 146                         ),
 147                         'reason' => '',
 148                         'cascade' => false,
 149                         'watch' => false,
 150                 );
 151         }
 152
 153         public function getParamDescription() {
 154                 return array (
 155                         'title' => 'Title of the page you want to (un)protect.',
 156                         'token' => 'A protect token previously retrieved through prop=info',
 157                         'protections' => 'Pipe-separated list of protection levels, formatted action=group (e.g. edit=sysop)',
 158                         'expiry' => array('Expiry timestamps. If only one timestamp is set, it\'ll be used for all protections.',
 159                                         'Use \'infinite\', \'indefinite\' or \'never\', for a neverexpiring protection.'),
 160                         'reason' => 'Reason for (un)protecting (optional)',
 161                         'cascade' => array('Enable cascading protection (i.e. protect pages included in this page)',
 162                                         'Ignored if not all protection levels are \'sysop\' or \'protect\''),
 163                         'watch' => 'If set, add the page being (un)protected to your watchlist',
 164                 );
 165         }
 166
 167         public function getDescription() {
 168                 return array(
 169                         'Change the protection level of a page.'
 170                 );
 171         }
 172
 173         protected function getExamples() {
 174                 return array (
 175                         'api.php?action=protect&title=Main%20Page&token=123ABC&protections=edit=sysop|move=sysop&cascade&expiry=20070901163000|never',
 176                         'api.php?action=protect&title=Main%20Page&token=123ABC&protections=edit=all|move=all&reason=Lifting%20restrictions'
 177                 );
 178         }
 179
 180         public function getVersion() {
 181                 return __CLASS__ . ': $Id$';
 182         }
 183 }