includes/api/ApiProtect.php

   1 <?php
   2 /**
   3  *
   4  *
   5  * Created on Sep 1, 2007
   6  *
   7  * Copyright © 2007 Roan Kattouw "<Firstname>.<Lastname>@gmail.com"
   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  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  *
  24  * @file
  25  */
  26
  27 /**
  28  * @ingroup API
  29  */
  30 class ApiProtect extends ApiBase {
  31
  32         public function execute() {
  33                 global $wgRestrictionLevels;
  34                 $params = $this->extractRequestParams();
  35
  36                 $pageObj = $this->getTitleOrPageId( $params, 'fromdbmaster' );
  37                 $titleObj = $pageObj->getTitle();
  38
  39                 $errors = $titleObj->getUserPermissionsErrors( 'protect', $this->getUser() );
  40                 if ( $errors ) {
  41                         // We don't care about multiple errors, just report one of them
  42                         $this->dieUsageMsg( reset( $errors ) );
  43                 }
  44
  45                 $expiry = (array)$params['expiry'];
  46                 if ( count( $expiry ) != count( $params['protections'] ) ) {
  47                         if ( count( $expiry ) == 1 ) {
  48                                 $expiry = array_fill( 0, count( $params['protections'] ), $expiry[0] );
  49                         } else {
  50                                 $this->dieUsageMsg( array( 'toofewexpiries', count( $expiry ), count( $params['protections'] ) ) );
  51                         }
  52                 }
  53
  54                 $restrictionTypes = $titleObj->getRestrictionTypes();
  55                 $db = $this->getDB();
  56
  57                 $protections = array();
  58                 $expiryarray = array();
  59                 $resultProtections = array();
  60                 foreach ( $params['protections'] as $i => $prot ) {
  61                         $p = explode( '=', $prot );
  62                         $protections[$p[0]] = ( $p[1] == 'all' ? '' : $p[1] );
  63
  64                         if ( $titleObj->exists() && $p[0] == 'create' ) {
  65                                 $this->dieUsageMsg( 'create-titleexists' );
  66                         }
  67                         if ( !$titleObj->exists() && $p[0] != 'create' ) {
  68                                 $this->dieUsageMsg( 'missingtitle-createonly' );
  69                         }
  70
  71                         if ( !in_array( $p[0], $restrictionTypes ) && $p[0] != 'create' ) {
  72                                 $this->dieUsageMsg( array( 'protect-invalidaction', $p[0] ) );
  73                         }
  74                         if ( !in_array( $p[1], $wgRestrictionLevels ) && $p[1] != 'all' ) {
  75                                 $this->dieUsageMsg( array( 'protect-invalidlevel', $p[1] ) );
  76                         }
  77
  78                         if ( in_array( $expiry[$i], array( 'infinite', 'indefinite', 'never' ) ) ) {
  79                                 $expiryarray[$p[0]] = $db->getInfinity();
  80                         } else {
  81                                 $exp = strtotime( $expiry[$i] );
  82                                 if ( $exp < 0 || !$exp ) {
  83                                         $this->dieUsageMsg( array( 'invalidexpiry', $expiry[$i] ) );
  84                                 }
  85
  86                                 $exp = wfTimestamp( TS_MW, $exp );
  87                                 if ( $exp < wfTimestampNow() ) {
  88                                         $this->dieUsageMsg( array( 'pastexpiry', $expiry[$i] ) );
  89                                 }
  90                                 $expiryarray[$p[0]] = $exp;
  91                         }
  92                         $resultProtections[] = array( $p[0] => $protections[$p[0]],
  93                                         'expiry' => ( $expiryarray[$p[0]] == $db->getInfinity() ?
  94                                                                 'infinite' :
  95                                                                 wfTimestamp( TS_ISO_8601, $expiryarray[$p[0]] ) ) );
  96                 }
  97
  98                 $cascade = $params['cascade'];
  99
 100                 $watch = $params['watch'] ? 'watch' : $params['watchlist'];
 101                 $this->setWatch( $watch, $titleObj );
 102
 103                 $status = $pageObj->doUpdateRestrictions( $protections, $expiryarray, $cascade, $params['reason'], $this->getUser() );
 104
 105                 if ( !$status->isOK() ) {
 106                         $errors = $status->getErrorsArray();
 107                         $this->dieUsageMsg( $errors[0] );
 108                 }
 109                 $res = array(
 110                         'title' => $titleObj->getPrefixedText(),
 111                         'reason' => $params['reason']
 112                 );
 113                 if ( $cascade ) {
 114                         $res['cascade'] = '';
 115                 }
 116                 $res['protections'] = $resultProtections;
 117                 $result = $this->getResult();
 118                 $result->setIndexedTagName( $res['protections'], 'protection' );
 119                 $result->addValue( null, $this->getModuleName(), $res );
 120         }
 121
 122         public function mustBePosted() {
 123                 return true;
 124         }
 125
 126         public function isWriteMode() {
 127                 return true;
 128         }
 129
 130         public function getAllowedParams() {
 131                 return array(
 132                         'title' => array(
 133                                 ApiBase::PARAM_TYPE => 'string',
 134                         ),
 135                         'pageid' => array(
 136                                 ApiBase::PARAM_TYPE => 'integer',
 137                         ),
 138                         'token' => array(
 139                                 ApiBase::PARAM_TYPE => 'string',
 140                                 ApiBase::PARAM_REQUIRED => true
 141                         ),
 142                         'protections' => array(
 143                                 ApiBase::PARAM_ISMULTI => true,
 144                                 ApiBase::PARAM_REQUIRED => true,
 145                         ),
 146                         'expiry' => array(
 147                                 ApiBase::PARAM_ISMULTI => true,
 148                                 ApiBase::PARAM_ALLOW_DUPLICATES => true,
 149                                 ApiBase::PARAM_DFLT => 'infinite',
 150                         ),
 151                         'reason' => '',
 152                         'cascade' => false,
 153                         'watch' => array(
 154                                 ApiBase::PARAM_DFLT => false,
 155                                 ApiBase::PARAM_DEPRECATED => true,
 156                         ),
 157                         'watchlist' => array(
 158                                 ApiBase::PARAM_DFLT => 'preferences',
 159                                 ApiBase::PARAM_TYPE => array(
 160                                         'watch',
 161                                         'unwatch',
 162                                         'preferences',
 163                                         'nochange'
 164                                 ),
 165                         ),
 166                 );
 167         }
 168
 169         public function getParamDescription() {
 170                 $p = $this->getModulePrefix();
 171                 return array(
 172                         'title' => "Title of the page you want to (un)protect. Cannot be used together with {$p}pageid",
 173                         'pageid' => "ID of the page you want to (un)protect. Cannot be used together with {$p}title",
 174                         'token' => 'A protect token previously retrieved through prop=info',
 175                         'protections' => 'List of protection levels, formatted action=group (e.g. edit=sysop)',
 176                         'expiry' => array( 'Expiry timestamps. If only one timestamp is set, it\'ll be used for all protections.',
 177                                         'Use \'infinite\', \'indefinite\' or \'never\', for a neverexpiring protection.' ),
 178                         'reason' => 'Reason for (un)protecting',
 179                         'cascade' => array( 'Enable cascading protection (i.e. protect pages included in this page)',
 180                                         'Ignored if not all protection levels are \'sysop\' or \'protect\'' ),
 181                         'watch' => 'If set, add the page being (un)protected to your watchlist',
 182                         'watchlist' => 'Unconditionally add or remove the page from your watchlist, use preferences or do not change watch',
 183                 );
 184         }
 185
 186         public function getResultProperties() {
 187                 return array(
 188                         '' => array(
 189                                 'title' => 'string',
 190                                 'reason' => 'string',
 191                                 'cascade' => 'boolean'
 192                         )
 193                 );
 194         }
 195
 196         public function getDescription() {
 197                 return 'Change the protection level of a page';
 198         }
 199
 200         public function getPossibleErrors() {
 201                 return array_merge( parent::getPossibleErrors(),
 202                         $this->getTitleOrPageIdErrorMessage(),
 203                         array(
 204                                 array( 'toofewexpiries', 'noofexpiries', 'noofprotections' ),
 205                                 array( 'create-titleexists' ),
 206                                 array( 'missingtitle-createonly' ),
 207                                 array( 'protect-invalidaction', 'action' ),
 208                                 array( 'protect-invalidlevel', 'level' ),
 209                                 array( 'invalidexpiry', 'expiry' ),
 210                                 array( 'pastexpiry', 'expiry' ),
 211                         )
 212                 );
 213         }
 214
 215         public function needsToken() {
 216                 return true;
 217         }
 218
 219         public function getTokenSalt() {
 220                 return '';
 221         }
 222
 223         public function getExamples() {
 224                 return array(
 225                         'api.php?action=protect&title=Main%20Page&token=123ABC&protections=edit=sysop|move=sysop&cascade=&expiry=20070901163000|never',
 226                         'api.php?action=protect&title=Main%20Page&token=123ABC&protections=edit=all|move=all&reason=Lifting%20restrictions'
 227                 );
 228         }
 229
 230         public function getHelpUrls() {
 231                 return 'https://www.mediawiki.org/wiki/API:Protect';
 232         }
 233 }