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 ( empty( $params['protections'] ) )
  47                         $this->dieUsageMsg( array( 'missingparam', 'protections' ) );
  48
  49                 $titleObj = Title::newFromText( $params['title'] );
  50                 if ( !$titleObj )
  51                         $this->dieUsageMsg( array( 'invalidtitle', $params['title'] ) );
  52
  53                 $errors = $titleObj->getUserPermissionsErrors( 'protect', $wgUser );
  54                 if ( $errors )
  55                         // We don't care about multiple errors, just report one of them
  56                         $this->dieUsageMsg( reset( $errors ) );
  57
  58                 $expiry = (array)$params['expiry'];
  59                 if ( count( $expiry ) != count( $params['protections'] ) )
  60                 {
  61                         if ( count( $expiry ) == 1 )
  62                                 $expiry = array_fill( 0, count( $params['protections'] ), $expiry[0] );
  63                         else
  64                                 $this->dieUsageMsg( array( 'toofewexpiries', count( $expiry ), count( $params['protections'] ) ) );
  65                 }
  66
  67                 $restrictionTypes = $titleObj->getRestrictionTypes();
  68
  69                 $protections = array();
  70                 $expiryarray = array();
  71                 $resultProtections = array();
  72                 foreach ( $params['protections'] as $i => $prot )
  73                 {
  74                         $p = explode( '=', $prot );
  75                         $protections[$p[0]] = ( $p[1] == 'all' ? '' : $p[1] );
  76
  77                         if ( $titleObj->exists() && $p[0] == 'create' )
  78                                 $this->dieUsageMsg( array( 'create-titleexists' ) );
  79                         if ( !$titleObj->exists() && $p[0] != 'create' )
  80                                 $this->dieUsageMsg( array( 'missingtitle-createonly' ) );
  81
  82                         if ( !in_array( $p[0], $restrictionTypes ) && $p[0] != 'create' )
  83                                 $this->dieUsageMsg( array( 'protect-invalidaction', $p[0] ) );
  84                         if ( !in_array( $p[1], $wgRestrictionLevels ) && $p[1] != 'all' )
  85                                 $this->dieUsageMsg( array( 'protect-invalidlevel', $p[1] ) );
  86
  87                         if ( in_array( $expiry[$i], array( 'infinite', 'indefinite', 'never' ) ) )
  88                                 $expiryarray[$p[0]] = Block::infinity();
  89                         else
  90                         {
  91                                 $exp = strtotime( $expiry[$i] );
  92                                 if ( $exp < 0 || $exp == false )
  93                                         $this->dieUsageMsg( array( 'invalidexpiry', $expiry[$i] ) );
  94
  95                                 $exp = wfTimestamp( TS_MW, $exp );
  96                                 if ( $exp < wfTimestampNow() )
  97                                         $this->dieUsageMsg( array( 'pastexpiry', $expiry[$i] ) );
  98                                 $expiryarray[$p[0]] = $exp;
  99                         }
 100                         $resultProtections[] = array( $p[0] => $protections[$p[0]],
 101                                         'expiry' => ( $expiryarray[$p[0]] == Block::infinity() ?
 102                                                                 'infinite' :
 103                                                                 wfTimestamp( TS_ISO_8601, $expiryarray[$p[0]] ) ) );
 104                 }
 105
 106                 $cascade = $params['cascade'];
 107                 $articleObj = new Article( $titleObj );
 108                 if ( $params['watch'] )
 109                         $articleObj->doWatch();
 110                 if ( $titleObj->exists() )
 111                         $ok = $articleObj->updateRestrictions( $protections, $params['reason'], $cascade, $expiryarray );
 112                 else
 113                         $ok = $titleObj->updateTitleProtection( $protections['create'], $params['reason'], $expiryarray['create'] );
 114                 if ( !$ok )
 115                         // This is very weird. Maybe the article was deleted or the user was blocked/desysopped in the meantime?
 116                         // Just throw an unknown error in this case, as it's very likely to be a race condition
 117                         $this->dieUsageMsg( array() );
 118                 $res = array( 'title' => $titleObj->getPrefixedText(), 'reason' => $params['reason'] );
 119                 if ( $cascade )
 120                         $res['cascade'] = '';
 121                 $res['protections'] = $resultProtections;
 122                 $this->getResult()->setIndexedTagName( $res['protections'], 'protection' );
 123                 $this->getResult()->addValue( null, $this->getModuleName(), $res );
 124         }
 125
 126         public function mustBePosted() {
 127                 return true;
 128         }
 129
 130         public function isWriteMode() {
 131                 return true;
 132         }
 133
 134         public function getAllowedParams() {
 135                 return array (
 136                         'title' => null,
 137                         'token' => null,
 138                         'protections' => array(
 139                                 ApiBase :: PARAM_ISMULTI => true
 140                         ),
 141                         'expiry' => array(
 142                                 ApiBase :: PARAM_ISMULTI => true,
 143                                 ApiBase :: PARAM_ALLOW_DUPLICATES => true,
 144                                 ApiBase :: PARAM_DFLT => 'infinite',
 145                         ),
 146                         'reason' => '',
 147                         'cascade' => false,
 148                         'watch' => false,
 149                 );
 150         }
 151
 152         public function getParamDescription() {
 153                 return array (
 154                         'title' => 'Title of the page you want to (un)protect.',
 155                         'token' => 'A protect token previously retrieved through prop=info',
 156                         'protections' => 'Pipe-separated list of protection levels, formatted action=group (e.g. edit=sysop)',
 157                         'expiry' => array( 'Expiry timestamps. If only one timestamp is set, it\'ll be used for all protections.',
 158                                         'Use \'infinite\', \'indefinite\' or \'never\', for a neverexpiring protection.' ),
 159                         'reason' => 'Reason for (un)protecting (optional)',
 160                         'cascade' => array( 'Enable cascading protection (i.e. protect pages included in this page)',
 161                                         'Ignored if not all protection levels are \'sysop\' or \'protect\'' ),
 162                         'watch' => 'If set, add the page being (un)protected to your watchlist',
 163                 );
 164         }
 165
 166         public function getDescription() {
 167                 return array(
 168                         'Change the protection level of a page.'
 169                 );
 170         }
 171
 172         public function getPossibleErrors() {
 173                 return array_merge( parent::getPossibleErrors(), array(
 174                         array( 'missingparam', 'title' ),
 175                         array( 'missingparam', 'protections' ),
 176                         array( 'invalidtitle', 'title' ),
 177                         array( 'toofewexpiries', 'noofexpiries', 'noofprotections' ),
 178                         array( 'create-titleexists' ),
 179                         array( 'missingtitle-createonly' ),
 180                         array( 'protect-invalidaction', 'action' ),
 181                         array( 'protect-invalidlevel', 'level' ),
 182                         array( 'invalidexpiry', 'expiry' ),
 183                         array( 'pastexpiry', 'expiry' ),
 184                 ) );
 185         }
 186
 187         public function getTokenSalt() {
 188                 return null;
 189         }
 190
 191         protected function getExamples() {
 192                 return array (
 193                         'api.php?action=protect&title=Main%20Page&token=123ABC&protections=edit=sysop|move=sysop&cascade&expiry=20070901163000|never',
 194                         'api.php?action=protect&title=Main%20Page&token=123ABC&protections=edit=all|move=all&reason=Lifting%20restrictions'
 195                 );
 196         }
 197
 198         public function getVersion() {
 199                 return __CLASS__ . ': $Id$';
 200         }
 201 }