API: (bug 18533) Add readonly message to meta=siteinfo output
[lhc/web/wiklou.git] / includes / api / ApiQuerySiteinfo.php
index 98467f2..9d16fa8 100644 (file)
  * http://www.gnu.org/copyleft/gpl.html
  */
 
-if (!defined('MEDIAWIKI')) {
+if( !defined('MEDIAWIKI') ) {
        // Eclipse helper - will be ignored in production
-       require_once ('ApiQueryBase.php');
+       require_once( 'ApiQueryBase.php' );
 }
 
 /**
  * A query action to return meta information about the wiki site.
  *
- * @addtogroup API
+ * @ingroup API
  */
 class ApiQuerySiteinfo extends ApiQueryBase {
 
-       public function __construct($query, $moduleName) {
-               parent :: __construct($query, $moduleName, 'si');
+       public function __construct( $query, $moduleName ) {
+               parent :: __construct( $query, $moduleName, 'si' );
        }
 
        public function execute() {
-
                $params = $this->extractRequestParams();
-
-               foreach ($params['prop'] as $p) {
-                       switch ($p) {
-                               default :
-                                       ApiBase :: dieDebug(__METHOD__, "Unknown prop=$p");
-                               case 'general' :
-                                       $this->appendGeneralInfo($p);
+               $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 'namespaces' :
-                                       $this->appendNamespaces($p);
+                               case 'interwikimap':
+                                       $filteriw = isset( $params['filteriw'] ) ? $params['filteriw'] : false;
+                                       $fit = $this->appendInterwikiMap( $p, $filteriw );
                                        break;
-                               case 'namespacealiases' :
-                                       $this->appendNamespaceAliases($p);
+                               case 'dbrepllag':
+                                       $fit = $this->appendDbReplLagInfo( $p, $params['showalldb'] );
                                        break;
-                               case 'specialpagealiases' :
-                                       $this->appendSpecialPageAliases($p);
+                               case 'statistics':
+                                       $fit = $this->appendStatistics( $p );
                                        break;
-                               case 'interwikimap' :
-                                       $filteriw = isset($params['filteriw']) ? $params['filteriw'] : false;
-                                       $this->appendInterwikiMap($p, $filteriw);
+                               case 'usergroups':
+                                       $fit = $this->appendUserGroups( $p );
                                        break;
-                               case 'dbrepllag' :
-                                       $this->appendDbReplLagInfo($p, $params['showalldb']);
+                               case 'extensions':
+                                       $fit = $this->appendExtensions( $p );
                                        break;
-                               case 'statistics' :
-                                       $this->appendStatistics($p);
+                               case 'fileextensions':
+                                       $fit = $this->appendFileExtensions( $p );
                                        break;
-                               case 'usergroups' :
-                                       $this->appendUserGroups($p);
+                               case 'rightsinfo':
+                                       $fit = $this->appendRightsInfo( $p );
                                        break;
+                               default :
+                                       ApiBase :: dieDebug( __METHOD__, "Unknown prop=$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 $wgSitename, $wgVersion, $wgCapitalLinks, $wgRightsCode, $wgRightsText, $wgLanguageCode, $IP, $wgEnableWriteAPI, $wgLang;
+       protected function appendGeneralInfo( $property ) {
+               global $wgContLang;
+               global $wgLang;
 
-               $data = array ();
+               $data = array();
                $mainPage = Title :: newFromText(wfMsgForContent('mainpage'));
                $data['mainpage'] = $mainPage->getPrefixedText();
                $data['base'] = $mainPage->getFullUrl();
-               $data['sitename'] = $wgSitename;
-               $data['generator'] = "MediaWiki $wgVersion";
-
-               $svn = SpecialVersion::getSvnRevision ( $IP );
-               if ( $svn ) $data['rev'] = $svn;
-
-               $data['case'] = $wgCapitalLinks ? 'first-letter' : 'case-sensitive'; // 'case-insensitive' option is reserved for future
-
-               if (isset($wgRightsCode))
-                       $data['rightscode'] = $wgRightsCode;
-               $data['rights'] = $wgRightsText;
-               $data['lang'] = $wgLanguageCode;
+               $data['sitename'] = $GLOBALS['wgSitename'];
+               $data['generator'] = "MediaWiki {$GLOBALS['wgVersion']}";
+               $data['phpversion'] = phpversion();
+               $data['phpsapi'] = php_sapi_name();
+               $data['dbclass'] = get_class($this->getDB());
+               $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 ( $wgEnableWriteAPI )
+               
+               if( wfReadOnly() ) {
+                       $data['readonly'] = '';
+                       $data['readonlyreason'] = wfReadOnlyReason();
+               }
+               if( $GLOBALS['wgEnableWriteAPI'] )
                        $data['writeapi'] = '';
 
-               $this->getResult()->addValue('query', $property, $data);
+               $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();
+
+               return $this->getResult()->addValue( 'query', $property, $data );
        }
 
-       protected function appendNamespaces($property) {
-               global $wgContLang, $wgNamespacesWithSubpages;
-
-               $data = array ();
-               foreach ($wgContLang->getFormattedNamespaces() as $ns => $title) {
-                       $data[$ns] = array (
-                               'id' => $ns
+       protected function appendNamespaces( $property ) {
+               global $wgContLang;
+               $data = array();
+               foreach( $wgContLang->getFormattedNamespaces() as $ns => $title )
+               {
+                       $data[$ns] = array(
+                               'id' => intval($ns)
                        );
-                       ApiResult :: setContent($data[$ns], $title);
-                       if(@$wgNamespacesWithSubpages[$ns])
+                       ApiResult :: setContent( $data[$ns], $title );
+                       $canonical = MWNamespace::getCanonicalName( $ns );
+                       
+                       if( MWNamespace::hasSubpages( $ns ) )
                                $data[$ns]['subpages'] = '';
+                       
+                       if( $canonical ) 
+                               $data[$ns]['canonical'] = strtr($canonical, '_', ' ');
                }
 
-               $this->getResult()->setIndexedTagName($data, 'ns');
-               $this->getResult()->addValue('query', $property, $data);
+               $this->getResult()->setIndexedTagName( $data, 'ns' );
+               return $this->getResult()->addValue( 'query', $property, $data );
        }
 
-       protected function appendNamespaceAliases($property) {
-               global $wgNamespaceAliases;
-
-               $data = array ();
-               foreach ($wgNamespaceAliases as $title => $ns) {
-                       $item = array (
-                               'id' => $ns
+       protected function appendNamespaceAliases( $property ) {
+               global $wgNamespaceAliases, $wgContLang;
+               $wgContLang->load();
+               $aliases = array_merge( $wgNamespaceAliases, $wgContLang->namespaceAliases );
+               $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, '_', ' '));
+                       ApiResult :: setContent( $item, strtr( $title, '_', ' ' ) );
                        $data[] = $item;
                }
 
-               $this->getResult()->setIndexedTagName($data, 'ns');
-               $this->getResult()->addValue('query', $property, $data);
+               $this->getResult()->setIndexedTagName( $data, 'ns' );
+               return $this->getResult()->addValue( 'query', $property, $data );
        }
 
-       protected function appendSpecialPageAliases($property)
-       {
+       protected function appendSpecialPageAliases( $property ) {
                global $wgLang;
                $data = array();
-               foreach($wgLang->getSpecialPageAliases() as $specialpage => $aliases)
+               foreach( $wgLang->getSpecialPageAliases() as $specialpage => $aliases )
                {
-                       $arr = array('realname' => $specialpage, 'aliases' => $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, 'specialpage');
-               $this->getResult()->addValue('query', $property, $data);
+               $this->getResult()->setIndexedTagName($data, 'magicword');
+               return $this->getResult()->addValue( 'query', $property, $data );
        }
 
-       protected function appendInterwikiMap($property, $filter) {
-
+       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 !== false) {
-                       ApiBase :: dieDebug(__METHOD__, "Unknown filter=$filter");
-               }
+               $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');
+               $this->addOption( 'ORDER BY', 'iw_prefix' );
 
                $db = $this->getDB();
-               $res = $this->select(__METHOD__);
+               $res = $this->select( __METHOD__ );
 
                $data = array();
-               while($row = $db->fetchObject($res))
+               $langNames = Language::getLanguageNames();
+               while( $row = $db->fetchObject($res) )
                {
                        $val = array();
                        $val['prefix'] = $row->iw_prefix;
-                       if ($row->iw_local == '1')
+                       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;
                }
-               $db->freeResult($res);
+               $db->freeResult( $res );
 
-               $this->getResult()->setIndexedTagName($data, 'iw');
-               $this->getResult()->addValue('query', $property, $data);
+               $this->getResult()->setIndexedTagName( $data, 'iw' );
+               return $this->getResult()->addValue( 'query', $property, $data );
        }
 
-       protected function appendDbReplLagInfo($property, $includeAll) {
+       protected function appendDbReplLagInfo( $property, $includeAll ) {
                global $wgShowHostnames;
-
                $data = array();
-
-               if ($includeAll) {
-                       if (!$wgShowHostnames)
+               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 (
+                               $data[] = array(
                                        'host' => $lb->getServerName( $i ),
-                                       'lag' => $lag);
+                                       'lag' => $lag
+                               );
                        }
                } else {
                        list( $host, $lag ) = wfGetLB()->getMaxLag();
-                       $data[] = array (
+                       $data[] = array(
                                'host' => $wgShowHostnames ? $host : '',
-                               'lag' => $lag);
+                               'lag' => intval( $lag )
+                       );
                }
 
                $result = $this->getResult();
-               $result->setIndexedTagName($data, 'db');
-               $result->addValue('query', $property, $data);
+               $result->setIndexedTagName( $data, 'db' );
+               return $this->getResult()->addValue( 'query', $property, $data );
        }
 
-       protected function appendStatistics($property) {
-               $data = array ();
-               $data['pages'] = intval(SiteStats::pages());
-               $data['articles'] = intval(SiteStats::articles());
-               $data['views'] = intval(SiteStats::views());
-               $data['edits'] = intval(SiteStats::edits());
-               $data['images'] = intval(SiteStats::images());
-               $data['users'] = intval(SiteStats::users());
-               $data['admins'] = intval(SiteStats::admins());
-               $data['jobs'] = intval(SiteStats::jobs());
-               $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) {
+       protected function appendUserGroups( $property ) {
                global $wgGroupPermissions;
-
-               $data = array ();
-               foreach ($wgGroupPermissions as $group => $permissions) {
-                       $arr = array ('name' => $group, 'rights' => array_keys($permissions, true));
-                       $this->getResult()->setIndexedTagName($arr['rights'], 'permission');
+               $data = array();
+               foreach( $wgGroupPermissions as $group => $permissions ) {
+                       $arr = array( 'name' => $group, 'rights' => array_keys( $permissions, true ) );
+                       $this->getResult()->setIndexedTagName( $arr['rights'], 'permission' );
                        $data[] = $arr;
                }
 
-               $this->getResult()->setIndexedTagName($data, 'group');
-               $this->getResult()->addValue('query', $property, $data);
+               $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 );
        }
 
-       public function getAllowedParams() {
-               return array (
+       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'] ) ) 
+                                       $ret['descriptionmsg'] = $ext['descriptionmsg'];
+                               if ( isset( $ext['author'] ) ) {
+                                       $ret['author'] = is_array( $ext['author'] ) ? 
+                                               implode( ', ', $ext['author' ] ) : $ext['author'];
+                               }
+                               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 );
+       }
 
-                       'prop' => array (
+
+       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 getAllowedParams() {
+               return array(
+                       'prop' => array(
                                ApiBase :: PARAM_DFLT => 'general',
                                ApiBase :: PARAM_ISMULTI => true,
-                               ApiBase :: PARAM_TYPE => array (
+                               ApiBase :: PARAM_TYPE => array(
                                        'general',
                                        'namespaces',
                                        'namespacealiases',
                                        'specialpagealiases',
+                                       'magicwords',
                                        'interwikimap',
                                        'dbrepllag',
                                        'statistics',
                                        'usergroups',
-                               )),
-
-                       'filteriw' => array (
-                               ApiBase :: PARAM_TYPE => array (
+                                       'extensions',
+                                       'fileextensions',
+                                       'rightsinfo',
+                               )
+                       ),
+                       'filteriw' => array(
+                               ApiBase :: PARAM_TYPE => array(
                                        'local',
                                        '!local',
-                               )),
-
+                               )
+                       ),
                        'showalldb' => false,
                );
        }
 
        public function getParamDescription() {
-               return array (
-                       'prop' => array (
+               return array(
+                       'prop' => array(
                                'Which sysinfo properties to get:',
-                               ' "general"      - Overall system information',
-                               ' "namespaces"   - List of registered namespaces (localized)',
-                               ' "namespacealiases" - List of registered namespace aliases',
-                               ' "specialpagealiases" - List of special page 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',
+                               ' 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',
                        ),
                        'filteriw' =>  'Return only local or only nonlocal entries of the interwiki map',
                        'showalldb' => 'List all database servers, not just the one lagging the most',