includes/api/ApiQueryProtectedTitles.php

   1 <?php
   2 /**
   3  *
   4  *
   5  * Created on Feb 13, 2009
   6  *
   7  * Copyright © 2009 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  * Query module to enumerate all create-protected pages.
  29  *
  30  * @ingroup API
  31  */
  32 class ApiQueryProtectedTitles extends ApiQueryGeneratorBase {
  33
  34         public function __construct( ApiQuery $query, $moduleName ) {
  35                 parent::__construct( $query, $moduleName, 'pt' );
  36         }
  37
  38         public function execute() {
  39                 $this->run();
  40         }
  41
  42         public function executeGenerator( $resultPageSet ) {
  43                 $this->run( $resultPageSet );
  44         }
  45
  46         /**
  47          * @param ApiPageSet $resultPageSet
  48          * @return void
  49          */
  50         private function run( $resultPageSet = null ) {
  51                 $params = $this->extractRequestParams();
  52
  53                 $this->addTables( 'protected_titles' );
  54                 $this->addFields( array( 'pt_namespace', 'pt_title', 'pt_timestamp' ) );
  55
  56                 $prop = array_flip( $params['prop'] );
  57                 $this->addFieldsIf( 'pt_user', isset( $prop['user'] ) || isset( $prop['userid'] ) );
  58                 $this->addFieldsIf( 'pt_reason', isset( $prop['comment'] ) || isset( $prop['parsedcomment'] ) );
  59                 $this->addFieldsIf( 'pt_expiry', isset( $prop['expiry'] ) );
  60                 $this->addFieldsIf( 'pt_create_perm', isset( $prop['level'] ) );
  61
  62                 $this->addTimestampWhereRange( 'pt_timestamp', $params['dir'], $params['start'], $params['end'] );
  63                 $this->addWhereFld( 'pt_namespace', $params['namespace'] );
  64                 $this->addWhereFld( 'pt_create_perm', $params['level'] );
  65
  66                 // Include in ORDER BY for uniqueness
  67                 $this->addWhereRange( 'pt_namespace', $params['dir'], null, null );
  68                 $this->addWhereRange( 'pt_title', $params['dir'], null, null );
  69
  70                 if ( !is_null( $params['continue'] ) ) {
  71                         $cont = explode( '|', $params['continue'] );
  72                         $this->dieContinueUsageIf( count( $cont ) != 3 );
  73                         $op = ( $params['dir'] === 'newer' ? '>' : '<' );
  74                         $db = $this->getDB();
  75                         $continueTimestamp = $db->addQuotes( $db->timestamp( $cont[0] ) );
  76                         $continueNs = (int)$cont[1];
  77                         $this->dieContinueUsageIf( $continueNs != $cont[1] );
  78                         $continueTitle = $db->addQuotes( $cont[2] );
  79                         $this->addWhere( "pt_timestamp $op $continueTimestamp OR " .
  80                                 "(pt_timestamp = $continueTimestamp AND " .
  81                                 "(pt_namespace $op $continueNs OR " .
  82                                 "(pt_namespace = $continueNs AND " .
  83                                 "pt_title $op= $continueTitle)))"
  84                         );
  85                 }
  86
  87                 if ( isset( $prop['user'] ) ) {
  88                         $this->addTables( 'user' );
  89                         $this->addFields( 'user_name' );
  90                         $this->addJoinConds( array( 'user' => array( 'LEFT JOIN',
  91                                 'user_id=pt_user'
  92                         ) ) );
  93                 }
  94
  95                 $this->addOption( 'LIMIT', $params['limit'] + 1 );
  96                 $res = $this->select( __METHOD__ );
  97
  98                 $count = 0;
  99                 $result = $this->getResult();
 100
 101                 $titles = array();
 102
 103                 foreach ( $res as $row ) {
 104                         if ( ++$count > $params['limit'] ) {
 105                                 // We've reached the one extra which shows that there are
 106                                 // additional pages to be had. Stop here...
 107                                 $this->setContinueEnumParameter( 'continue',
 108                                         "$row->pt_timestamp|$row->pt_namespace|$row->pt_title"
 109                                 );
 110                                 break;
 111                         }
 112
 113                         $title = Title::makeTitle( $row->pt_namespace, $row->pt_title );
 114                         if ( is_null( $resultPageSet ) ) {
 115                                 $vals = array();
 116                                 ApiQueryBase::addTitleInfo( $vals, $title );
 117                                 if ( isset( $prop['timestamp'] ) ) {
 118                                         $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->pt_timestamp );
 119                                 }
 120
 121                                 if ( isset( $prop['user'] ) && !is_null( $row->user_name ) ) {
 122                                         $vals['user'] = $row->user_name;
 123                                 }
 124
 125                                 if ( isset( $prop['userid'] ) || /*B/C*/isset( $prop['user'] ) ) {
 126                                         $vals['userid'] = (int)$row->pt_user;
 127                                 }
 128
 129                                 if ( isset( $prop['comment'] ) ) {
 130                                         $vals['comment'] = $row->pt_reason;
 131                                 }
 132
 133                                 if ( isset( $prop['parsedcomment'] ) ) {
 134                                         $vals['parsedcomment'] = Linker::formatComment( $row->pt_reason, $title );
 135                                 }
 136
 137                                 if ( isset( $prop['expiry'] ) ) {
 138                                         global $wgContLang;
 139                                         $vals['expiry'] = $wgContLang->formatExpiry( $row->pt_expiry, TS_ISO_8601 );
 140                                 }
 141
 142                                 if ( isset( $prop['level'] ) ) {
 143                                         $vals['level'] = $row->pt_create_perm;
 144                                 }
 145
 146                                 $fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $vals );
 147                                 if ( !$fit ) {
 148                                         $this->setContinueEnumParameter( 'continue',
 149                                                 "$row->pt_timestamp|$row->pt_namespace|$row->pt_title"
 150                                         );
 151                                         break;
 152                                 }
 153                         } else {
 154                                 $titles[] = $title;
 155                         }
 156                 }
 157
 158                 if ( is_null( $resultPageSet ) ) {
 159                         $result->addIndexedTagName(
 160                                 array( 'query', $this->getModuleName() ),
 161                                 $this->getModulePrefix()
 162                         );
 163                 } else {
 164                         $resultPageSet->populateFromTitles( $titles );
 165                 }
 166         }
 167
 168         public function getCacheMode( $params ) {
 169                 if ( !is_null( $params['prop'] ) && in_array( 'parsedcomment', $params['prop'] ) ) {
 170                         // formatComment() calls wfMessage() among other things
 171                         return 'anon-public-user-private';
 172                 } else {
 173                         return 'public';
 174                 }
 175         }
 176
 177         public function getAllowedParams() {
 178                 return array(
 179                         'namespace' => array(
 180                                 ApiBase::PARAM_ISMULTI => true,
 181                                 ApiBase::PARAM_TYPE => 'namespace',
 182                         ),
 183                         'level' => array(
 184                                 ApiBase::PARAM_ISMULTI => true,
 185                                 ApiBase::PARAM_TYPE => array_diff( $this->getConfig()->get( 'RestrictionLevels' ), array( '' ) )
 186                         ),
 187                         'limit' => array(
 188                                 ApiBase::PARAM_DFLT => 10,
 189                                 ApiBase::PARAM_TYPE => 'limit',
 190                                 ApiBase::PARAM_MIN => 1,
 191                                 ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
 192                                 ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
 193                         ),
 194                         'dir' => array(
 195                                 ApiBase::PARAM_DFLT => 'older',
 196                                 ApiBase::PARAM_TYPE => array(
 197                                         'newer',
 198                                         'older'
 199                                 ),
 200                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-direction',
 201                         ),
 202                         'start' => array(
 203                                 ApiBase::PARAM_TYPE => 'timestamp'
 204                         ),
 205                         'end' => array(
 206                                 ApiBase::PARAM_TYPE => 'timestamp'
 207                         ),
 208                         'prop' => array(
 209                                 ApiBase::PARAM_ISMULTI => true,
 210                                 ApiBase::PARAM_DFLT => 'timestamp|level',
 211                                 ApiBase::PARAM_TYPE => array(
 212                                         'timestamp',
 213                                         'user',
 214                                         'userid',
 215                                         'comment',
 216                                         'parsedcomment',
 217                                         'expiry',
 218                                         'level'
 219                                 ),
 220                                 ApiBase::PARAM_HELP_MSG_PER_VALUE => array(),
 221                         ),
 222                         'continue' => array(
 223                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
 224                         ),
 225                 );
 226         }
 227
 228         protected function getExamplesMessages() {
 229                 return array(
 230                         'action=query&list=protectedtitles'
 231                                 => 'apihelp-query+protectedtitles-example-simple',
 232                         'action=query&generator=protectedtitles&gptnamespace=0&prop=linkshere'
 233                                 => 'apihelp-query+protectedtitles-example-generator',
 234                 );
 235         }
 236
 237         public function getHelpUrls() {
 238                 return 'https://www.mediawiki.org/wiki/API:Protectedtitles';
 239         }
 240 }