wiki.techinc.nl/includes/api/ApiQuerySiteinfo.php
2010-06-20 17:48:21 +00:00

508 lines
15 KiB
PHP

<?php
/**
* Created on Sep 25, 2006
*
* API for MediaWiki 1.8+
*
* Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*/
if ( !defined( 'MEDIAWIKI' ) ) {
// Eclipse helper - will be ignored in production
require_once( 'ApiQueryBase.php' );
}
/**
* A query action to return meta information about the wiki site.
*
* @ingroup API
*/
class ApiQuerySiteinfo extends ApiQueryBase {
public function __construct( $query, $moduleName ) {
parent::__construct( $query, $moduleName, 'si' );
}
public function execute() {
$params = $this->extractRequestParams();
$done = array();
foreach ( $params['prop'] as $p ) {
switch ( $p ) {
case 'general':
$fit = $this->appendGeneralInfo( $p );
break;
case 'namespaces':
$fit = $this->appendNamespaces( $p );
break;
case 'namespacealiases':
$fit = $this->appendNamespaceAliases( $p );
break;
case 'specialpagealiases':
$fit = $this->appendSpecialPageAliases( $p );
break;
case 'magicwords':
$fit = $this->appendMagicWords( $p );
break;
case 'interwikimap':
$filteriw = isset( $params['filteriw'] ) ? $params['filteriw'] : false;
$fit = $this->appendInterwikiMap( $p, $filteriw );
break;
case 'dbrepllag':
$fit = $this->appendDbReplLagInfo( $p, $params['showalldb'] );
break;
case 'statistics':
$fit = $this->appendStatistics( $p );
break;
case 'usergroups':
$fit = $this->appendUserGroups( $p, $params['numberingroup'] );
break;
case 'extensions':
$fit = $this->appendExtensions( $p );
break;
case 'fileextensions':
$fit = $this->appendFileExtensions( $p );
break;
case 'rightsinfo':
$fit = $this->appendRightsInfo( $p );
break;
case 'languages':
$fit = $this->appendLanguages( $p );
break;
default:
ApiBase::dieDebug( __METHOD__, "Unknown prop=$p" );
}
if ( !$fit ) {
// Abuse siprop as a query-continue parameter
// and set it to all unprocessed props
$this->setContinueEnumParameter( 'prop', implode( '|',
array_diff( $params['prop'], $done ) ) );
break;
}
$done[] = $p;
}
}
protected function appendGeneralInfo( $property ) {
global $wgContLang, $wgLang;
$data = array();
$mainPage = Title::newMainPage();
$data['mainpage'] = $mainPage->getPrefixedText();
$data['base'] = $mainPage->getFullUrl();
$data['sitename'] = $GLOBALS['wgSitename'];
$data['generator'] = "MediaWiki {$GLOBALS['wgVersion']}";
$data['phpversion'] = phpversion();
$data['phpsapi'] = php_sapi_name();
$data['dbtype'] = $GLOBALS['wgDBtype'];
$data['dbversion'] = $this->getDB()->getServerVersion();
$svn = SpecialVersion::getSvnRevision( $GLOBALS['IP'] );
if ( $svn ) {
$data['rev'] = $svn;
}
// 'case-insensitive' option is reserved for future
$data['case'] = $GLOBALS['wgCapitalLinks'] ? 'first-letter' : 'case-sensitive';
if ( isset( $GLOBALS['wgRightsCode'] ) ) {
$data['rightscode'] = $GLOBALS['wgRightsCode'];
}
$data['rights'] = $GLOBALS['wgRightsText'];
$data['lang'] = $GLOBALS['wgLanguageCode'];
if ( $wgContLang->isRTL() ) {
$data['rtl'] = '';
}
$data['fallback8bitEncoding'] = $wgLang->fallback8bitEncoding();
if ( wfReadOnly() ) {
$data['readonly'] = '';
$data['readonlyreason'] = wfReadOnlyReason();
}
if ( $GLOBALS['wgEnableWriteAPI'] ) {
$data['writeapi'] = '';
}
$tz = $GLOBALS['wgLocaltimezone'];
$offset = $GLOBALS['wgLocalTZoffset'];
if ( is_null( $tz ) ) {
$tz = 'UTC';
$offset = 0;
} elseif ( is_null( $offset ) ) {
$offset = 0;
}
$data['timezone'] = $tz;
$data['timeoffset'] = intval( $offset );
$data['articlepath'] = $GLOBALS['wgArticlePath'];
$data['scriptpath'] = $GLOBALS['wgScriptPath'];
$data['script'] = $GLOBALS['wgScript'];
$data['variantarticlepath'] = $GLOBALS['wgVariantArticlePath'];
$data['server'] = $GLOBALS['wgServer'];
$data['wikiid'] = wfWikiID();
$data['time'] = wfTimestamp( TS_ISO_8601, time() );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendNamespaces( $property ) {
global $wgContLang;
$data = array();
foreach ( $wgContLang->getFormattedNamespaces() as $ns => $title ) {
$data[$ns] = array(
'id' => intval( $ns ),
'case' => MWNamespace::isCapitalized( $ns ) ? 'first-letter' : 'case-sensitive',
);
ApiResult::setContent( $data[$ns], $title );
$canonical = MWNamespace::getCanonicalName( $ns );
if ( MWNamespace::hasSubpages( $ns ) ) {
$data[$ns]['subpages'] = '';
}
if ( $canonical ) {
$data[$ns]['canonical'] = strtr( $canonical, '_', ' ' );
}
if ( MWNamespace::isContent( $ns ) ) {
$data[$ns]['content'] = '';
}
}
$this->getResult()->setIndexedTagName( $data, 'ns' );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendNamespaceAliases( $property ) {
global $wgNamespaceAliases, $wgContLang;
$aliases = array_merge( $wgNamespaceAliases, $wgContLang->getNamespaceAliases() );
$namespaces = $wgContLang->getNamespaces();
$data = array();
foreach ( $aliases as $title => $ns ) {
if ( $namespaces[$ns] == $title ) {
// Don't list duplicates
continue;
}
$item = array(
'id' => intval( $ns )
);
ApiResult::setContent( $item, strtr( $title, '_', ' ' ) );
$data[] = $item;
}
$this->getResult()->setIndexedTagName( $data, 'ns' );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendSpecialPageAliases( $property ) {
global $wgLang;
$data = array();
foreach ( $wgLang->getSpecialPageAliases() as $specialpage => $aliases )
{
$arr = array( 'realname' => $specialpage, 'aliases' => $aliases );
$this->getResult()->setIndexedTagName( $arr['aliases'], 'alias' );
$data[] = $arr;
}
$this->getResult()->setIndexedTagName( $data, 'specialpage' );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendMagicWords( $property ) {
global $wgContLang;
$data = array();
foreach ( $wgContLang->getMagicWords() as $magicword => $aliases ) {
$caseSensitive = array_shift( $aliases );
$arr = array( 'name' => $magicword, 'aliases' => $aliases );
if ( $caseSensitive ) {
$arr['case-sensitive'] = '';
}
$this->getResult()->setIndexedTagName( $arr['aliases'], 'alias' );
$data[] = $arr;
}
$this->getResult()->setIndexedTagName( $data, 'magicword' );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendInterwikiMap( $property, $filter ) {
$this->resetQueryParams();
$this->addTables( 'interwiki' );
$this->addFields( array( 'iw_prefix', 'iw_local', 'iw_url' ) );
if ( $filter === 'local' ) {
$this->addWhere( 'iw_local = 1' );
} elseif ( $filter === '!local' ) {
$this->addWhere( 'iw_local = 0' );
} elseif ( $filter ) {
ApiBase::dieDebug( __METHOD__, "Unknown filter=$filter" );
}
$this->addOption( 'ORDER BY', 'iw_prefix' );
$db = $this->getDB();
$res = $this->select( __METHOD__ );
$data = array();
$langNames = Language::getLanguageNames();
while ( $row = $db->fetchObject( $res ) ) {
$val = array();
$val['prefix'] = $row->iw_prefix;
if ( $row->iw_local == '1' ) {
$val['local'] = '';
}
// $val['trans'] = intval( $row->iw_trans ); // should this be exposed?
if ( isset( $langNames[$row->iw_prefix] ) ) {
$val['language'] = $langNames[$row->iw_prefix];
}
$val['url'] = $row->iw_url;
$data[] = $val;
}
$this->getResult()->setIndexedTagName( $data, 'iw' );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendDbReplLagInfo( $property, $includeAll ) {
global $wgShowHostnames;
$data = array();
if ( $includeAll ) {
if ( !$wgShowHostnames ) {
$this->dieUsage( 'Cannot view all servers info unless $wgShowHostnames is true', 'includeAllDenied' );
}
$lb = wfGetLB();
$lags = $lb->getLagTimes();
foreach ( $lags as $i => $lag ) {
$data[] = array(
'host' => $lb->getServerName( $i ),
'lag' => $lag
);
}
} else {
list( $host, $lag ) = wfGetLB()->getMaxLag();
$data[] = array(
'host' => $wgShowHostnames ? $host : '',
'lag' => intval( $lag )
);
}
$result = $this->getResult();
$result->setIndexedTagName( $data, 'db' );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendStatistics( $property ) {
global $wgDisableCounters;
$data = array();
$data['pages'] = intval( SiteStats::pages() );
$data['articles'] = intval( SiteStats::articles() );
if ( !$wgDisableCounters ) {
$data['views'] = intval( SiteStats::views() );
}
$data['edits'] = intval( SiteStats::edits() );
$data['images'] = intval( SiteStats::images() );
$data['users'] = intval( SiteStats::users() );
$data['activeusers'] = intval( SiteStats::activeUsers() );
$data['admins'] = intval( SiteStats::numberingroup( 'sysop' ) );
$data['jobs'] = intval( SiteStats::jobs() );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendUserGroups( $property, $numberInGroup ) {
global $wgGroupPermissions;
$data = array();
foreach ( $wgGroupPermissions as $group => $permissions ) {
$arr = array(
'name' => $group,
'rights' => array_keys( $permissions, true ),
);
if ( $numberInGroup ) {
$arr['number'] = SiteStats::numberInGroup( $group );
}
$this->getResult()->setIndexedTagName( $arr['rights'], 'permission' );
$data[] = $arr;
}
$this->getResult()->setIndexedTagName( $data, 'group' );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendFileExtensions( $property ) {
global $wgFileExtensions;
$data = array();
foreach ( $wgFileExtensions as $ext ) {
$data[] = array( 'ext' => $ext );
}
$this->getResult()->setIndexedTagName( $data, 'fe' );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendExtensions( $property ) {
global $wgExtensionCredits;
$data = array();
foreach ( $wgExtensionCredits as $type => $extensions ) {
foreach ( $extensions as $ext ) {
$ret = array();
$ret['type'] = $type;
if ( isset( $ext['name'] ) ) {
$ret['name'] = $ext['name'];
}
if ( isset( $ext['description'] ) ) {
$ret['description'] = $ext['description'];
}
if ( isset( $ext['descriptionmsg'] ) ) {
// Can be a string or array( key, param1, param2, ... )
if ( is_array( $ext['descriptionmsg'] ) ) {
$ret['descriptionmsg'] = $ext['descriptionmsg'][0];
$ret['descriptionmsgparams'] = array_slice( $ext['descriptionmsg'], 1 );
$this->getResult()->setIndexedTagName( $ret['descriptionmsgparams'], 'param' );
} else {
$ret['descriptionmsg'] = $ext['descriptionmsg'];
}
}
if ( isset( $ext['author'] ) ) {
$ret['author'] = is_array( $ext['author'] ) ?
implode( ', ', $ext['author' ] ) : $ext['author'];
}
if ( isset( $ext['url'] ) ) {
$ret['url'] = $ext['url'];
}
if ( isset( $ext['version'] ) ) {
$ret['version'] = $ext['version'];
} elseif ( isset( $ext['svn-revision'] ) &&
preg_match( '/\$(?:Rev|LastChangedRevision|Revision): *(\d+)/',
$ext['svn-revision'], $m ) )
{
$ret['version'] = 'r' . $m[1];
}
$data[] = $ret;
}
}
$this->getResult()->setIndexedTagName( $data, 'ext' );
return $this->getResult()->addValue( 'query', $property, $data );
}
protected function appendRightsInfo( $property ) {
global $wgRightsPage, $wgRightsUrl, $wgRightsText;
$title = Title::newFromText( $wgRightsPage );
$url = $title ? $title->getFullURL() : $wgRightsUrl;
$text = $wgRightsText;
if ( !$text && $title ) {
$text = $title->getPrefixedText();
}
$data = array(
'url' => $url ? $url : '',
'text' => $text ? $text : ''
);
return $this->getResult()->addValue( 'query', $property, $data );
}
public function appendLanguages( $property ) {
$data = array();
foreach ( Language::getLanguageNames() as $code => $name ) {
$lang = array( 'code' => $code );
ApiResult::setContent( $lang, $name );
$data[] = $lang;
}
$this->getResult()->setIndexedTagName( $data, 'lang' );
return $this->getResult()->addValue( 'query', $property, $data );
}
public function getAllowedParams() {
return array(
'prop' => array(
ApiBase::PARAM_DFLT => 'general',
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_TYPE => array(
'general',
'namespaces',
'namespacealiases',
'specialpagealiases',
'magicwords',
'interwikimap',
'dbrepllag',
'statistics',
'usergroups',
'extensions',
'fileextensions',
'rightsinfo',
'languages',
)
),
'filteriw' => array(
ApiBase::PARAM_TYPE => array(
'local',
'!local',
)
),
'showalldb' => false,
'numberingroup' => false,
);
}
public function getParamDescription() {
return array(
'prop' => array(
'Which sysinfo properties to get:',
' general - Overall system information',
' namespaces - List of registered namespaces and their canonical names',
' namespacealiases - List of registered namespace aliases',
' specialpagealiases - List of special page aliases',
' magicwords - List of magic words and their aliases',
' statistics - Returns site statistics',
' interwikimap - Returns interwiki map (optionally filtered)',
' dbrepllag - Returns database server with the highest replication lag',
' usergroups - Returns user groups and the associated permissions',
' extensions - Returns extensions installed on the wiki',
' fileextensions - Returns list of file extensions allowed to be uploaded',
' rightsinfo - Returns wiki rights (license) information if available',
' languages - Returns a list of languages MediaWiki supports',
),
'filteriw' => 'Return only local or only nonlocal entries of the interwiki map',
'showalldb' => 'List all database servers, not just the one lagging the most',
'numberingroup' => 'Lists the number of users in user groups',
);
}
public function getDescription() {
return 'Return general information about the site';
}
public function getPossibleErrors() {
return array_merge( parent::getPossibleErrors(), array(
array( 'code' => 'includeAllDenied', 'info' => 'Cannot view all servers info unless $wgShowHostnames is true' ),
) );
}
protected function getExamples() {
return array(
'api.php?action=query&meta=siteinfo&siprop=general|namespaces|namespacealiases|statistics',
'api.php?action=query&meta=siteinfo&siprop=interwikimap&sifilteriw=local',
'api.php?action=query&meta=siteinfo&siprop=dbrepllag&sishowalldb',
);
}
public function getVersion() {
return __CLASS__ . ': $Id$';
}
}