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( [ '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_expiry', isset( $prop['expiry'] ) );
  59                 $this->addFieldsIf( 'pt_create_perm', isset( $prop['level'] ) );
  60
  61                 if ( isset( $prop['comment'] ) || isset( $prop['parsedcomment'] ) ) {
  62                         $commentStore = new CommentStore( 'pt_reason' );
  63                         $commentQuery = $commentStore->getJoin();
  64                         $this->addTables( $commentQuery['tables'] );
  65                         $this->addFields( $commentQuery['fields'] );
  66                         $this->addJoinConds( $commentQuery['joins'] );
  67                 }
  68
  69                 $this->addTimestampWhereRange( 'pt_timestamp', $params['dir'], $params['start'], $params['end'] );
  70                 $this->addWhereFld( 'pt_namespace', $params['namespace'] );
  71                 $this->addWhereFld( 'pt_create_perm', $params['level'] );
  72
  73                 // Include in ORDER BY for uniqueness
  74                 $this->addWhereRange( 'pt_namespace', $params['dir'], null, null );
  75                 $this->addWhereRange( 'pt_title', $params['dir'], null, null );
  76
  77                 if ( !is_null( $params['continue'] ) ) {
  78                         $cont = explode( '|', $params['continue'] );
  79                         $this->dieContinueUsageIf( count( $cont ) != 3 );
  80                         $op = ( $params['dir'] === 'newer' ? '>' : '<' );
  81                         $db = $this->getDB();
  82                         $continueTimestamp = $db->addQuotes( $db->timestamp( $cont[0] ) );
  83                         $continueNs = (int)$cont[1];
  84                         $this->dieContinueUsageIf( $continueNs != $cont[1] );
  85                         $continueTitle = $db->addQuotes( $cont[2] );
  86                         $this->addWhere( "pt_timestamp $op $continueTimestamp OR " .
  87                                 "(pt_timestamp = $continueTimestamp AND " .
  88                                 "(pt_namespace $op $continueNs OR " .
  89                                 "(pt_namespace = $continueNs AND " .
  90                                 "pt_title $op= $continueTitle)))"
  91                         );
  92                 }
  93
  94                 if ( isset( $prop['user'] ) ) {
  95                         $this->addTables( 'user' );
  96                         $this->addFields( 'user_name' );
  97                         $this->addJoinConds( [ 'user' => [ 'LEFT JOIN',
  98                                 'user_id=pt_user'
  99                         ] ] );
 100                 }
 101
 102                 $this->addOption( 'LIMIT', $params['limit'] + 1 );
 103                 $res = $this->select( __METHOD__ );
 104
 105                 $count = 0;
 106                 $result = $this->getResult();
 107
 108                 $titles = [];
 109
 110                 foreach ( $res as $row ) {
 111                         if ( ++$count > $params['limit'] ) {
 112                                 // We've reached the one extra which shows that there are
 113                                 // additional pages to be had. Stop here...
 114                                 $this->setContinueEnumParameter( 'continue',
 115                                         "$row->pt_timestamp|$row->pt_namespace|$row->pt_title"
 116                                 );
 117                                 break;
 118                         }
 119
 120                         $title = Title::makeTitle( $row->pt_namespace, $row->pt_title );
 121                         if ( is_null( $resultPageSet ) ) {
 122                                 $vals = [];
 123                                 ApiQueryBase::addTitleInfo( $vals, $title );
 124                                 if ( isset( $prop['timestamp'] ) ) {
 125                                         $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->pt_timestamp );
 126                                 }
 127
 128                                 if ( isset( $prop['user'] ) && !is_null( $row->user_name ) ) {
 129                                         $vals['user'] = $row->user_name;
 130                                 }
 131
 132                                 if ( isset( $prop['userid'] ) || /*B/C*/isset( $prop['user'] ) ) {
 133                                         $vals['userid'] = (int)$row->pt_user;
 134                                 }
 135
 136                                 if ( isset( $prop['comment'] ) ) {
 137                                         $vals['comment'] = $commentStore->getComment( $row )->text;
 138                                 }
 139
 140                                 if ( isset( $prop['parsedcomment'] ) ) {
 141                                         $vals['parsedcomment'] = Linker::formatComment(
 142                                                 $commentStore->getComment( $row )->text, $titles
 143                                         );
 144                                 }
 145
 146                                 if ( isset( $prop['expiry'] ) ) {
 147                                         $vals['expiry'] = ApiResult::formatExpiry( $row->pt_expiry );
 148                                 }
 149
 150                                 if ( isset( $prop['level'] ) ) {
 151                                         $vals['level'] = $row->pt_create_perm;
 152                                 }
 153
 154                                 $fit = $result->addValue( [ 'query', $this->getModuleName() ], null, $vals );
 155                                 if ( !$fit ) {
 156                                         $this->setContinueEnumParameter( 'continue',
 157                                                 "$row->pt_timestamp|$row->pt_namespace|$row->pt_title"
 158                                         );
 159                                         break;
 160                                 }
 161                         } else {
 162                                 $titles[] = $title;
 163                         }
 164                 }
 165
 166                 if ( is_null( $resultPageSet ) ) {
 167                         $result->addIndexedTagName(
 168                                 [ 'query', $this->getModuleName() ],
 169                                 $this->getModulePrefix()
 170                         );
 171                 } else {
 172                         $resultPageSet->populateFromTitles( $titles );
 173                 }
 174         }
 175
 176         public function getCacheMode( $params ) {
 177                 if ( !is_null( $params['prop'] ) && in_array( 'parsedcomment', $params['prop'] ) ) {
 178                         // formatComment() calls wfMessage() among other things
 179                         return 'anon-public-user-private';
 180                 } else {
 181                         return 'public';
 182                 }
 183         }
 184
 185         public function getAllowedParams() {
 186                 return [
 187                         'namespace' => [
 188                                 ApiBase::PARAM_ISMULTI => true,
 189                                 ApiBase::PARAM_TYPE => 'namespace',
 190                         ],
 191                         'level' => [
 192                                 ApiBase::PARAM_ISMULTI => true,
 193                                 ApiBase::PARAM_TYPE => array_diff( $this->getConfig()->get( 'RestrictionLevels' ), [ '' ] )
 194                         ],
 195                         'limit' => [
 196                                 ApiBase::PARAM_DFLT => 10,
 197                                 ApiBase::PARAM_TYPE => 'limit',
 198                                 ApiBase::PARAM_MIN => 1,
 199                                 ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
 200                                 ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
 201                         ],
 202                         'dir' => [
 203                                 ApiBase::PARAM_DFLT => 'older',
 204                                 ApiBase::PARAM_TYPE => [
 205                                         'newer',
 206                                         'older'
 207                                 ],
 208                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-direction',
 209                         ],
 210                         'start' => [
 211                                 ApiBase::PARAM_TYPE => 'timestamp'
 212                         ],
 213                         'end' => [
 214                                 ApiBase::PARAM_TYPE => 'timestamp'
 215                         ],
 216                         'prop' => [
 217                                 ApiBase::PARAM_ISMULTI => true,
 218                                 ApiBase::PARAM_DFLT => 'timestamp|level',
 219                                 ApiBase::PARAM_TYPE => [
 220                                         'timestamp',
 221                                         'user',
 222                                         'userid',
 223                                         'comment',
 224                                         'parsedcomment',
 225                                         'expiry',
 226                                         'level'
 227                                 ],
 228                                 ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
 229                         ],
 230                         'continue' => [
 231                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
 232                         ],
 233                 ];
 234         }
 235
 236         protected function getExamplesMessages() {
 237                 return [
 238                         'action=query&list=protectedtitles'
 239                                 => 'apihelp-query+protectedtitles-example-simple',
 240                         'action=query&generator=protectedtitles&gptnamespace=0&prop=linkshere'
 241                                 => 'apihelp-query+protectedtitles-example-generator',
 242                 ];
 243         }
 244
 245         public function getHelpUrls() {
 246                 return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Protectedtitles';
 247         }
 248 }