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  * @addtogroup 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
  44                 $params = $this->extractRequestParams();
  45
  46                 foreach ($params['prop'] as $p) {
  47                         switch ($p) {
  48                                 default :
  49                                         ApiBase :: dieDebug(__METHOD__, "Unknown prop=$p");
  50                                 case 'general' :
  51                                         $this->appendGeneralInfo($p);
  52                                         break;
  53                                 case 'namespaces' :
  54                                         $this->appendNamespaces($p);
  55                                         break;
  56                                 case 'interwikimap' :
  57                                         $filteriw = isset($params['filteriw']) ? $params['filteriw'] : false;
  58                                         $this->appendInterwikiMap($p, $filteriw);
  59                                         break;
  60                                 case 'dbrepllag' :
  61                                         $this->appendDbReplLagInfo($p, $params['showalldb']);
  62                                         break;
  63                                 case 'statistics' :
  64                                         $this->appendStatistics($p);
  65                                         break;
  66                         }
  67                 }
  68         }
  69
  70         protected function appendGeneralInfo($property) {
  71                 global $wgSitename, $wgVersion, $wgCapitalLinks, $wgRightsCode, $wgRightsText, $wgLanguageCode;
  72
  73                 $data = array ();
  74                 $mainPage = Title :: newFromText(wfMsgForContent('mainpage'));
  75                 $data['mainpage'] = $mainPage->getText();
  76                 $data['base'] = $mainPage->getFullUrl();
  77                 $data['sitename'] = $wgSitename;
  78                 $data['generator'] = "MediaWiki $wgVersion";
  79                 $data['case'] = $wgCapitalLinks ? 'first-letter' : 'case-sensitive'; // 'case-insensitive' option is reserved for future
  80                 if (isset($wgRightsCode))
  81                         $data['rightscode'] = $wgRightsCode;
  82                 $data['rights'] = $wgRightsText;
  83                 $data['lang'] = $wgLanguageCode;
  84
  85                 $this->getResult()->addValue('query', $property, $data);
  86         }
  87
  88         protected function appendNamespaces($property) {
  89                 global $wgContLang;
  90
  91                 $data = array ();
  92                 foreach ($wgContLang->getFormattedNamespaces() as $ns => $title) {
  93                         $data[$ns] = array (
  94                                 'id' => $ns
  95                         );
  96                         ApiResult :: setContent($data[$ns], $title);
  97                 }
  98
  99                 $this->getResult()->setIndexedTagName($data, 'ns');
 100                 $this->getResult()->addValue('query', $property, $data);
 101         }
 102
 103         protected function appendInterwikiMap($property, $filter) {
 104
 105                 $this->resetQueryParams();
 106                 $this->addTables('interwiki');
 107                 $this->addFields(array('iw_prefix', 'iw_local', 'iw_url'));
 108
 109                 if($filter === 'local') {
 110                         $this->addWhere('iw_local = 1');
 111                 } elseif($filter === '!local') {
 112                         $this->addWhere('iw_local = 0');
 113                 } elseif($filter !== false) {
 114                         ApiBase :: dieDebug(__METHOD__, "Unknown filter=$filter");
 115                 }
 116
 117                 $this->addOption('ORDER BY', 'iw_prefix');
 118
 119                 $db = $this->getDB();
 120                 $res = $this->select(__METHOD__);
 121
 122                 $data = array();
 123                 while($row = $db->fetchObject($res))
 124                 {
 125                         $val['prefix'] = $row->iw_prefix;
 126                         if ($row->iw_local == '1')
 127                                 $val['local'] = '';
 128 //                      $val['trans'] = intval($row->iw_trans); // should this be exposed?
 129                         $val['url'] = $row->iw_url;
 130
 131                         $data[] = $val;
 132                 }
 133                 $db->freeResult($res);
 134
 135                 $this->getResult()->setIndexedTagName($data, 'iw');
 136                 $this->getResult()->addValue('query', $property, $data);
 137         }
 138
 139         protected function appendDbReplLagInfo($property, $includeAll) {
 140                 global $wgLoadBalancer, $wgShowHostnames;
 141
 142                 $data = array();
 143
 144                 if ($includeAll) {
 145                         if (!$wgShowHostnames)
 146                                 $this->dieUsage('Cannot view all servers info unless $wgShowHostnames is true', 'includeAllDenied');
 147
 148                         global $wgDBservers;
 149                         $lags = $wgLoadBalancer->getLagTimes();
 150                         foreach( $lags as $i => $lag ) {
 151                                 $data[] = array (
 152                                         'host' => $wgDBservers[$i]['host'],
 153                                         'lag' => $lag);
 154                         }
 155                 } else {
 156                         list( $host, $lag ) = $wgLoadBalancer->getMaxLag();
 157                         $data[] = array (
 158                                 'host' => $wgShowHostnames ? $host : '',
 159                                 'lag' => $lag);
 160                 }
 161
 162                 $result = $this->getResult();
 163                 $result->setIndexedTagName($data, 'db');
 164                 $result->addValue('query', $property, $data);
 165         }
 166
 167         protected function appendStatistics($property) {
 168                 $data = array ();
 169                 $data['pages'] = intval(SiteStats::pages());
 170                 $data['articles'] = intval(SiteStats::articles());
 171                 $data['views'] = intval(SiteStats::views());
 172                 $data['edits'] = intval(SiteStats::edits());
 173                 $data['images'] = intval(SiteStats::images());
 174                 $data['users'] = intval(SiteStats::users());
 175                 $data['admins'] = intval(SiteStats::admins());
 176                 $data['jobs'] = intval(SiteStats::jobs());
 177                 $this->getResult()->addValue('query', $property, $data);
 178         }
 179
 180         protected function getAllowedParams() {
 181                 return array (
 182
 183                         'prop' => array (
 184                                 ApiBase :: PARAM_DFLT => 'general',
 185                                 ApiBase :: PARAM_ISMULTI => true,
 186                                 ApiBase :: PARAM_TYPE => array (
 187                                         'general',
 188                                         'namespaces',
 189                                         'interwikimap',
 190                                         'dbrepllag',
 191                                         'statistics',
 192                                 )),
 193
 194                         'filteriw' => array (
 195                                 ApiBase :: PARAM_TYPE => array (
 196                                         'local',
 197                                         '!local',
 198                                 )),
 199
 200                         'showalldb' => false,
 201                 );
 202         }
 203
 204         protected function getParamDescription() {
 205                 return array (
 206                         'prop' => array (
 207                                 'Which sysinfo properties to get:',
 208                                 ' "general"      - Overall system information',
 209                                 ' "namespaces"   - List of registered namespaces (localized)',
 210                                 ' "statistics"   - Returns site statistics',
 211                                 ' "interwikimap" - Returns interwiki map (optionally filtered)',
 212                                 ' "dbrepllag"    - Returns database server with the highest replication lag',
 213                         ),
 214                         'filteriw' =>  'Return only local or only nonlocal entries of the interwiki map',
 215                         'showalldb' => 'List all database servers, not just the one lagging the most',
 216                 );
 217         }
 218
 219         protected function getDescription() {
 220                 return 'Return general information about the site.';
 221         }
 222
 223         protected function getExamples() {
 224                 return array(
 225                         'api.php?action=query&meta=siteinfo&siprop=general|namespaces|statistics',
 226                         'api.php?action=query&meta=siteinfo&siprop=interwikimap&sifilteriw=local',
 227                         'api.php?action=query&meta=siteinfo&siprop=dbrepllag&sishowalldb',
 228                         );
 229         }
 230
 231         public function getVersion() {
 232                 return __CLASS__ . ': $Id: ApiQuerySiteinfo.php 25238 2007-08-28 15:37:31Z robchurch $';
 233         }
 234 }