includes/api/ApiQuerySiteinfo.php

   1 <?php
   2
   3 /*
   4  * Created on Sep 25, 2006
   5  *
   6  * API for MediaWiki 1.8+
   7  *
   8  * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  */
  25
  26 if( !defined('MEDIAWIKI') ) {
  27         // Eclipse helper - will be ignored in production
  28         require_once( 'ApiQueryBase.php' );
  29 }
  30
  31 /**
  32  * A query action to return meta information about the wiki site.
  33  *
  34  * @ingroup API
  35  */
  36 class ApiQuerySiteinfo extends ApiQueryBase {
  37
  38         public function __construct( $query, $moduleName ) {
  39                 parent :: __construct( $query, $moduleName, 'si' );
  40         }
  41
  42         public function execute() {
  43                 $params = $this->extractRequestParams();
  44                 foreach( $params['prop'] as $p )
  45                 {
  46                         switch ( $p )
  47                         {
  48                                 case 'general':
  49                                         $this->appendGeneralInfo( $p );
  50                                         break;
  51                                 case 'namespaces':
  52                                         $this->appendNamespaces( $p );
  53                                         break;
  54                                 case 'namespacealiases':
  55                                         $this->appendNamespaceAliases( $p );
  56                                         break;
  57                                 case 'specialpagealiases':
  58                                         $this->appendSpecialPageAliases( $p );
  59                                         break;
  60                                 case 'magicwords':
  61                                         $this->appendMagicWords( $p );
  62                                         break;
  63                                 case 'interwikimap':
  64                                         $filteriw = isset( $params['filteriw'] ) ? $params['filteriw'] : false;
  65                                         $this->appendInterwikiMap( $p, $filteriw );
  66                                         break;
  67                                 case 'dbrepllag':
  68                                         $this->appendDbReplLagInfo( $p, $params['showalldb'] );
  69                                         break;
  70                                 case 'statistics':
  71                                         $this->appendStatistics( $p );
  72                                         break;
  73                                 case 'usergroups':
  74                                         $this->appendUserGroups( $p );
  75                                         break;
  76                                 default :
  77                                         ApiBase :: dieDebug( __METHOD__, "Unknown prop=$p" );
  78                         }
  79                 }
  80         }
  81
  82         protected function appendGeneralInfo( $property ) {
  83                 global $wgSitename, $wgVersion, $wgCapitalLinks, $wgRightsCode, $wgRightsText, $wgContLang;
  84                 global $wgLanguageCode, $IP, $wgEnableWriteAPI, $wgLang, $wgLocaltimezone, $wgLocalTZoffset;
  85
  86                 $data = array();
  87                 $mainPage = Title :: newFromText(wfMsgForContent('mainpage'));
  88                 $data['mainpage'] = $mainPage->getPrefixedText();
  89                 $data['base'] = $mainPage->getFullUrl();
  90                 $data['sitename'] = $wgSitename;
  91                 $data['generator'] = "MediaWiki $wgVersion";
  92
  93                 $svn = SpecialVersion::getSvnRevision( $IP );
  94                 if( $svn )
  95                         $data['rev'] = $svn;
  96
  97                 $data['case'] = $wgCapitalLinks ? 'first-letter' : 'case-sensitive'; // 'case-insensitive' option is reserved for future
  98
  99                 if( isset( $wgRightsCode ) )
 100                         $data['rightscode'] = $wgRightsCode;
 101                 $data['rights'] = $wgRightsText;
 102                 $data['lang'] = $wgLanguageCode;
 103                 if( $wgContLang->isRTL() )
 104                         $data['rtl'] = '';
 105                 $data['fallback8bitEncoding'] = $wgLang->fallback8bitEncoding();
 106
 107                 if( wfReadOnly() )
 108                         $data['readonly'] = '';
 109                 if( $wgEnableWriteAPI )
 110                         $data['writeapi'] = '';
 111
 112                 $tz = $wgLocaltimezone;
 113                 $offset = $wgLocalTZoffset;
 114                 if( is_null( $tz ) ) {
 115                         $tz = 'UTC';
 116                         $offset = 0;
 117                 } elseif( is_null( $offset ) ) {
 118                         $offset = 0;
 119                 }
 120                 $data['timezone'] = $tz;
 121                 $data['timeoffset'] = $offset;
 122
 123                 $this->getResult()->addValue( 'query', $property, $data );
 124         }
 125
 126         protected function appendNamespaces( $property ) {
 127                 global $wgContLang;
 128                 $data = array();
 129                 foreach( $wgContLang->getFormattedNamespaces() as $ns => $title )
 130                 {
 131                         $data[$ns] = array(
 132                                 'id' => $ns
 133                         );
 134                         ApiResult :: setContent( $data[$ns], $title );
 135                         if( MWNamespace::hasSubpages($ns) )
 136                                 $data[$ns]['subpages'] = '';
 137                 }
 138
 139                 $this->getResult()->setIndexedTagName( $data, 'ns' );
 140                 $this->getResult()->addValue( 'query', $property, $data );
 141         }
 142
 143         protected function appendNamespaceAliases( $property ) {
 144                 global $wgNamespaceAliases;
 145                 $data = array();
 146                 foreach( $wgNamespaceAliases as $title => $ns ) {
 147                         $item = array(
 148                                 'id' => $ns
 149                         );
 150                         ApiResult :: setContent( $item, strtr( $title, '_', ' ' ) );
 151                         $data[] = $item;
 152                 }
 153
 154                 $this->getResult()->setIndexedTagName( $data, 'ns' );
 155                 $this->getResult()->addValue( 'query', $property, $data );
 156         }
 157
 158         protected function appendSpecialPageAliases( $property ) {
 159                 global $wgLang;
 160                 $data = array();
 161                 foreach( $wgLang->getSpecialPageAliases() as $specialpage => $aliases )
 162                 {
 163                         $arr = array( 'realname' => $specialpage, 'aliases' => $aliases );
 164                         $this->getResult()->setIndexedTagName( $arr['aliases'], 'alias' );
 165                         $data[] = $arr;
 166                 }
 167                 $this->getResult()->setIndexedTagName( $data, 'specialpage' );
 168                 $this->getResult()->addValue( 'query', $property, $data );
 169         }
 170
 171         protected function appendMagicWords( $property ) {
 172                 global $wgContLang;
 173                 $data = array();
 174                 foreach($wgContLang->getMagicWords() as $magicword => $aliases)
 175                 {
 176                         $caseSensitive = array_shift($aliases);
 177                         $arr = array('name' => $magicword, 'aliases' => $aliases);
 178                         if($caseSensitive)
 179                                 $arr['case-sensitive'] = '';
 180                         $this->getResult()->setIndexedTagName($arr['aliases'], 'alias');
 181                         $data[] = $arr;
 182                 }
 183                 $this->getResult()->setIndexedTagName($data, 'magicword');
 184                 $this->getResult()->addValue('query', $property, $data);
 185         }
 186
 187
 188         protected function appendInterwikiMap( $property, $filter ) {
 189                 $this->resetQueryParams();
 190                 $this->addTables( 'interwiki' );
 191                 $this->addFields( array( 'iw_prefix', 'iw_local', 'iw_url' ) );
 192
 193                 if( $filter === 'local' )
 194                         $this->addWhere( 'iw_local = 1' );
 195                 elseif( $filter === '!local' )
 196                         $this->addWhere( 'iw_local = 0' );
 197                 elseif( $filter !== false )
 198                         ApiBase :: dieDebug( __METHOD__, "Unknown filter=$filter" );
 199
 200                 $this->addOption( 'ORDER BY', 'iw_prefix' );
 201
 202                 $db = $this->getDB();
 203                 $res = $this->select( __METHOD__ );
 204
 205                 $data = array();
 206                 $langNames = Language::getLanguageNames();
 207                 while( $row = $db->fetchObject($res) )
 208                 {
 209                         $val = array();
 210                         $val['prefix'] = $row->iw_prefix;
 211                         if( $row->iw_local == '1' )
 212                                 $val['local'] = '';
 213 //                      $val['trans'] = intval($row->iw_trans); // should this be exposed?
 214                         if( isset( $langNames[$row->iw_prefix] ) )
 215                                 $val['language'] = $langNames[$row->iw_prefix];
 216                         $val['url'] = $row->iw_url;
 217
 218                         $data[] = $val;
 219                 }
 220                 $db->freeResult( $res );
 221
 222                 $this->getResult()->setIndexedTagName( $data, 'iw' );
 223                 $this->getResult()->addValue( 'query', $property, $data );
 224         }
 225
 226         protected function appendDbReplLagInfo( $property, $includeAll ) {
 227                 global $wgShowHostnames;
 228                 $data = array();
 229                 if( $includeAll ) {
 230                         if ( !$wgShowHostnames )
 231                                 $this->dieUsage('Cannot view all servers info unless $wgShowHostnames is true', 'includeAllDenied');
 232
 233                         $lb = wfGetLB();
 234                         $lags = $lb->getLagTimes();
 235                         foreach( $lags as $i => $lag ) {
 236                                 $data[] = array(
 237                                         'host' => $lb->getServerName( $i ),
 238                                         'lag' => $lag
 239                                 );
 240                         }
 241                 } else {
 242                         list( $host, $lag ) = wfGetLB()->getMaxLag();
 243                         $data[] = array(
 244                                 'host' => $wgShowHostnames ? $host : '',
 245                                 'lag' => $lag
 246                         );
 247                 }
 248
 249                 $result = $this->getResult();
 250                 $result->setIndexedTagName( $data, 'db' );
 251                 $result->addValue( 'query', $property, $data );
 252         }
 253
 254         protected function appendStatistics( $property ) {
 255                 $data = array();
 256                 $data['pages'] = intval( SiteStats::pages() );
 257                 $data['articles'] = intval( SiteStats::articles() );
 258                 $data['views'] = intval( SiteStats::views() );
 259                 $data['edits'] = intval( SiteStats::edits() );
 260                 $data['images'] = intval( SiteStats::images() );
 261                 $data['users'] = intval( SiteStats::users() );
 262                 $data['activeusers'] = intval( SiteStats::activeUsers() );
 263                 $data['admins'] = intval( SiteStats::numberingroup('sysop') );
 264                 $data['jobs'] = intval( SiteStats::jobs() );
 265                 $this->getResult()->addValue( 'query', $property, $data );
 266         }
 267
 268         protected function appendUserGroups( $property ) {
 269                 global $wgGroupPermissions;
 270                 $data = array();
 271                 foreach( $wgGroupPermissions as $group => $permissions ) {
 272                         $arr = array( 'name' => $group, 'rights' => array_keys( $permissions, true ) );
 273                         $this->getResult()->setIndexedTagName( $arr['rights'], 'permission' );
 274                         $data[] = $arr;
 275                 }
 276
 277                 $this->getResult()->setIndexedTagName( $data, 'group' );
 278                 $this->getResult()->addValue( 'query', $property, $data );
 279         }
 280
 281         public function getAllowedParams() {
 282                 return array(
 283                         'prop' => array(
 284                                 ApiBase :: PARAM_DFLT => 'general',
 285                                 ApiBase :: PARAM_ISMULTI => true,
 286                                 ApiBase :: PARAM_TYPE => array(
 287                                         'general',
 288                                         'namespaces',
 289                                         'namespacealiases',
 290                                         'specialpagealiases',
 291                                         'magicwords',
 292                                         'interwikimap',
 293                                         'dbrepllag',
 294                                         'statistics',
 295                                         'usergroups',
 296                                 )
 297                         ),
 298                         'filteriw' => array(
 299                                 ApiBase :: PARAM_TYPE => array(
 300                                         'local',
 301                                         '!local',
 302                                 )
 303                         ),
 304                         'showalldb' => false,
 305                 );
 306         }
 307
 308         public function getParamDescription() {
 309                 return array(
 310                         'prop' => array(
 311                                 'Which sysinfo properties to get:',
 312                                 ' "general"      - Overall system information',
 313                                 ' "namespaces"   - List of registered namespaces (localized)',
 314                                 ' "namespacealiases" - List of registered namespace aliases',
 315                                 ' "specialpagealiases" - List of special page aliases',
 316                                 ' "magicwords"   - List of magic words and their aliases',
 317                                 ' "statistics"   - Returns site statistics',
 318                                 ' "interwikimap" - Returns interwiki map (optionally filtered)',
 319                                 ' "dbrepllag"    - Returns database server with the highest replication lag',
 320                                 ' "usergroups"   - Returns user groups and the associated permissions',
 321                         ),
 322                         'filteriw' =>  'Return only local or only nonlocal entries of the interwiki map',
 323                         'showalldb' => 'List all database servers, not just the one lagging the most',
 324                 );
 325         }
 326
 327         public function getDescription() {
 328                 return 'Return general information about the site.';
 329         }
 330
 331         protected function getExamples() {
 332                 return array(
 333                         'api.php?action=query&meta=siteinfo&siprop=general|namespaces|namespacealiases|statistics',
 334                         'api.php?action=query&meta=siteinfo&siprop=interwikimap&sifilteriw=local',
 335                         'api.php?action=query&meta=siteinfo&siprop=dbrepllag&sishowalldb',
 336                         );
 337         }
 338
 339         public function getVersion() {
 340                 return __CLASS__ . ': $Id$';
 341         }
 342 }