<?php
-
/**
- * Created on Sep 7, 2006
*
- * API for MediaWiki 1.8+
+ *
+ * Created on Sep 7, 2006
*
* Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
*
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
*/
-if ( !defined( 'MEDIAWIKI' ) ) {
- // Eclipse helper - will be ignored in production
- require_once( 'ApiBase.php' );
-}
-
/**
* This is the main query class. It behaves similar to ApiMain: based on the
* parameters given, it will create a list of titles to work on (an ApiPageSet
class ApiQuery extends ApiBase {
private $mPropModuleNames, $mListModuleNames, $mMetaModuleNames;
+
+ /**
+ * @var ApiPageSet
+ */
private $mPageSet;
- private $params, $redirect;
+
+ private $params, $redirects, $convertTitles, $iwUrl;
private $mQueryPropModules = array(
'info' => 'ApiQueryInfo',
'langlinks' => 'ApiQueryLangLinks',
'images' => 'ApiQueryImages',
'imageinfo' => 'ApiQueryImageInfo',
+ 'stashimageinfo' => 'ApiQueryStashImageInfo',
'templates' => 'ApiQueryLinks',
'categories' => 'ApiQueryCategories',
'extlinks' => 'ApiQueryExternalLinks',
'categoryinfo' => 'ApiQueryCategoryInfo',
'duplicatefiles' => 'ApiQueryDuplicateFiles',
+ 'pageprops' => 'ApiQueryPageProps',
);
private $mQueryListModules = array(
- 'allimages' => 'ApiQueryAllimages',
- 'allpages' => 'ApiQueryAllpages',
+ 'allimages' => 'ApiQueryAllImages',
+ 'allpages' => 'ApiQueryAllPages',
'alllinks' => 'ApiQueryAllLinks',
'allcategories' => 'ApiQueryAllCategories',
'allusers' => 'ApiQueryAllUsers',
'filearchive' => 'ApiQueryFilearchive',
'imageusage' => 'ApiQueryBacklinks',
'iwbacklinks' => 'ApiQueryIWBacklinks',
+ 'langbacklinks' => 'ApiQueryLangBacklinks',
'logevents' => 'ApiQueryLogEvents',
'recentchanges' => 'ApiQueryRecentChanges',
'search' => 'ApiQuerySearch',
'users' => 'ApiQueryUsers',
'random' => 'ApiQueryRandom',
'protectedtitles' => 'ApiQueryProtectedTitles',
+ 'querypage' => 'ApiQueryQueryPage',
);
private $mQueryMetaModules = array(
'siteinfo' => 'ApiQuerySiteinfo',
'userinfo' => 'ApiQueryUserInfo',
- 'allmessages' => 'ApiQueryAllmessages',
+ 'allmessages' => 'ApiQueryAllMessages',
);
private $mSlaveDB = null;
private $mNamedDB = array();
+ protected $mAllowedGenerators = array();
+
public function __construct( $main, $action ) {
parent::__construct( $main, $action );
$this->mListModuleNames = array_keys( $this->mQueryListModules );
$this->mMetaModuleNames = array_keys( $this->mQueryMetaModules );
- // Allow the entire list of modules at first,
- // but during module instantiation check if it can be used as a generator.
- $this->mAllowedGenerators = array_merge( $this->mListModuleNames, $this->mPropModuleNames );
+ $this->makeHelpMsgHelper( $this->mQueryPropModules, 'prop' );
+ $this->makeHelpMsgHelper( $this->mQueryListModules, 'list' );
}
/**
/**
* Gets a default slave database connection object
- * @return Database
+ * @return DatabaseBase
*/
public function getDB() {
if ( !isset( $this->mSlaveDB ) ) {
* @param $name string Name to assign to the database connection
* @param $db int One of the DB_* constants
* @param $groups array Query groups
- * @return Database
+ * @return DatabaseBase
*/
public function getNamedDB( $name, $db, $groups ) {
if ( !array_key_exists( $name, $this->mNamedDB ) ) {
/**
* Get the array mapping module names to class names
- * @return array(modulename => classname)
+ * @return array array(modulename => classname)
*/
function getModules() {
return array_merge( $this->mQueryPropModules, $this->mQueryListModules, $this->mQueryMetaModules );
}
-
+
/**
* Get whether the specified module is a prop, list or a meta query module
* @param $moduleName string Name of the module to find type for
* @return mixed string or null
*/
function getModuleType( $moduleName ) {
- if ( array_key_exists ( $moduleName, $this->mQueryPropModules ) ) {
+ if ( isset( $this->mQueryPropModules[$moduleName] ) ) {
return 'prop';
}
-
- if ( array_key_exists ( $moduleName, $this->mQueryListModules ) ) {
+
+ if ( isset( $this->mQueryListModules[$moduleName] ) ) {
return 'list';
}
-
- if ( array_key_exists ( $moduleName, $this->mQueryMetaModules ) ) {
+
+ if ( isset( $this->mQueryMetaModules[$moduleName] ) ) {
return 'meta';
}
-
+
return null;
}
public function execute() {
$this->params = $this->extractRequestParams();
$this->redirects = $this->params['redirects'];
+ $this->convertTitles = $this->params['converttitles'];
+ $this->iwUrl = $this->params['iwurl'];
// Create PageSet
- $this->mPageSet = new ApiPageSet( $this, $this->redirects );
+ $this->mPageSet = new ApiPageSet( $this, $this->redirects, $this->convertTitles );
// Instantiate requested modules
$modules = array();
- $this->InstantiateModules( $modules, 'prop', $this->mQueryPropModules );
- $this->InstantiateModules( $modules, 'list', $this->mQueryListModules );
- $this->InstantiateModules( $modules, 'meta', $this->mQueryMetaModules );
+ $this->instantiateModules( $modules, 'prop', $this->mQueryPropModules );
+ $this->instantiateModules( $modules, 'list', $this->mQueryListModules );
+ $this->instantiateModules( $modules, 'meta', $this->mQueryMetaModules );
+
+ $cacheMode = 'public';
// If given, execute generator to substitute user supplied data with generated data.
if ( isset( $this->params['generator'] ) ) {
- $this->executeGeneratorModule( $this->params['generator'], $modules );
+ $generator = $this->newGenerator( $this->params['generator'] );
+ $params = $generator->extractRequestParams();
+ $cacheMode = $this->mergeCacheMode( $cacheMode,
+ $generator->getCacheMode( $params ) );
+ $this->executeGeneratorModule( $generator, $modules );
} else {
// Append custom fields and populate page/revision information
$this->addCustomFldsToPageSet( $modules, $this->mPageSet );
// Execute all requested modules.
foreach ( $modules as $module ) {
+ $params = $module->extractRequestParams();
+ $cacheMode = $this->mergeCacheMode(
+ $cacheMode, $module->getCacheMode( $params ) );
$module->profileIn();
$module->execute();
wfRunHooks( 'APIQueryAfterExecute', array( &$module ) );
$module->profileOut();
}
+
+ // Set the cache mode
+ $this->getMain()->setCacheMode( $cacheMode );
+ }
+
+ /**
+ * Update a cache mode string, applying the cache mode of a new module to it.
+ * The cache mode may increase in the level of privacy, but public modules
+ * added to private data do not decrease the level of privacy.
+ *
+ * @param $cacheMode string
+ * @param $modCacheMode string
+ * @return string
+ */
+ protected function mergeCacheMode( $cacheMode, $modCacheMode ) {
+ if ( $modCacheMode === 'anon-public-user-private' ) {
+ if ( $cacheMode !== 'private' ) {
+ $cacheMode = 'anon-public-user-private';
+ }
+ } elseif ( $modCacheMode === 'public' ) {
+ // do nothing, if it's public already it will stay public
+ } else { // private
+ $cacheMode = 'private';
+ }
+ return $cacheMode;
}
/**
/**
* Create instances of all modules requested by the client
- * @param $modules array to append instatiated modules to
+ * @param $modules Array to append instantiated modules to
* @param $param string Parameter name to read modules from
- * @param $moduleList array(modulename => classname)
+ * @param $moduleList Array array(modulename => classname)
*/
- private function InstantiateModules( &$modules, $param, $moduleList ) {
- $list = @$this->params[$param];
- if ( !is_null ( $list ) ) {
- foreach ( $list as $moduleName ) {
+ private function instantiateModules( &$modules, $param, $moduleList ) {
+ if ( isset( $this->params[$param] ) ) {
+ foreach ( $this->params[$param] as $moduleName ) {
$modules[] = new $moduleList[$moduleName] ( $this, $moduleName );
}
}
$result->addValue( 'query', 'normalized', $normValues );
}
+ // Title conversions
+ $convValues = array();
+ foreach ( $pageSet->getConvertedTitles() as $rawTitleStr => $titleStr ) {
+ $convValues[] = array(
+ 'from' => $rawTitleStr,
+ 'to' => $titleStr
+ );
+ }
+
+ if ( count( $convValues ) ) {
+ $result->setIndexedTagName( $convValues, 'c' );
+ $result->addValue( 'query', 'converted', $convValues );
+ }
+
// Interwiki titles
$intrwValues = array();
foreach ( $pageSet->getInterwikiTitles() as $rawTitleStr => $interwikiStr ) {
- $intrwValues[] = array(
+ $item = array(
'title' => $rawTitleStr,
- 'iw' => $interwikiStr
+ 'iw' => $interwikiStr,
);
+ if ( $this->iwUrl ) {
+ $title = Title::newFromText( $rawTitleStr );
+ $item['url'] = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT );
+ }
+ $intrwValues[] = $item;
}
if ( count( $intrwValues ) ) {
// Show redirect information
$redirValues = array();
- foreach ( $pageSet->getRedirectTitles() as $titleStrFrom => $titleStrTo ) {
- $redirValues[] = array(
+ foreach ( $pageSet->getRedirectTitles() as $titleStrFrom => $titleTo ) {
+ $r = array(
'from' => strval( $titleStrFrom ),
- 'to' => $titleStrTo
+ 'to' => $titleTo->getPrefixedText(),
);
+ if ( $titleTo->getFragment() !== '' ) {
+ $r['tofragment'] = $titleTo->getFragment();
+ }
+ $redirValues[] = $r;
}
if ( count( $redirValues ) ) {
$result->addValue( 'query', 'redirects', $redirValues );
}
- //
// Missing revision elements
- //
$missingRevIDs = $pageSet->getMissingRevisionIDs();
if ( count( $missingRevIDs ) ) {
$revids = array();
$result->addValue( 'query', 'badrevids', $revids );
}
- //
// Page elements
- //
$pages = array();
// Report any missing titles
'missing' => ''
);
}
+ // Report special pages
+ foreach ( $pageSet->getSpecialTitles() as $fakeId => $title ) {
+ $vals = array();
+ ApiQueryBase::addTitleInfo( $vals, $title );
+ $vals['special'] = '';
+ if ( $title->isSpecialPage() &&
+ !SpecialPageFactory::exists( $title->getDbKey() ) ) {
+ $vals['missing'] = '';
+ } elseif ( $title->getNamespace() == NS_MEDIA &&
+ !wfFindFile( $title ) ) {
+ $vals['missing'] = '';
+ }
+ $pages[$fakeId] = $vals;
+ }
// Output general page information for found titles
foreach ( $pageSet->getGoodTitles() as $pageid => $title ) {
$result->addValue( 'query', 'pages', $pages );
}
if ( $this->params['export'] ) {
- $exporter = new WikiExporter( $this->getDB() );
- // WikiExporter writes to stdout, so catch its
- // output with an ob
- ob_start();
- $exporter->openStream();
- foreach ( @$pageSet->getGoodTitles() as $title ) {
- if ( $title->userCanRead() ) {
- $exporter->pageByTitle( $title );
+ $this->doExport( $pageSet, $result );
+ }
+ }
+
+ /**
+ * @param $pageSet ApiPageSet Pages to be exported
+ * @param $result ApiResult Result to output to
+ */
+ private function doExport( $pageSet, $result ) {
+ $exportTitles = array();
+ $titles = $pageSet->getGoodTitles();
+ if ( count( $titles ) ) {
+ foreach ( $titles as $title ) {
+ if ( $title->userCan( 'read' ) ) {
+ $exportTitles[] = $title;
}
}
- $exporter->closeStream();
- $exportxml = ob_get_contents();
- ob_end_clean();
-
- // Don't check the size of exported stuff
- // It's not continuable, so it would cause more
- // problems than it'd solve
- $result->disableSizeCheck();
- if ( $this->params['exportnowrap'] ) {
- $result->reset();
- // Raw formatter will handle this
- $result->addValue( null, 'text', $exportxml );
- $result->addValue( null, 'mime', 'text/xml' );
- } else {
- $r = array();
- ApiResult::setContent( $r, $exportxml );
- $result->addValue( 'query', 'export', $r );
- }
- $result->enableSizeCheck();
}
+
+ $exporter = new WikiExporter( $this->getDB() );
+ // WikiExporter writes to stdout, so catch its
+ // output with an ob
+ ob_start();
+ $exporter->openStream();
+ foreach ( $exportTitles as $title ) {
+ $exporter->pageByTitle( $title );
+ }
+ $exporter->closeStream();
+ $exportxml = ob_get_contents();
+ ob_end_clean();
+
+ // Don't check the size of exported stuff
+ // It's not continuable, so it would cause more
+ // problems than it'd solve
+ $result->disableSizeCheck();
+ if ( $this->params['exportnowrap'] ) {
+ $result->reset();
+ // Raw formatter will handle this
+ $result->addValue( null, 'text', $exportxml );
+ $result->addValue( null, 'mime', 'text/xml' );
+ } else {
+ $r = array();
+ ApiResult::setContent( $r, $exportxml );
+ $result->addValue( 'query', 'export', $r );
+ }
+ $result->enableSizeCheck();
}
/**
- * For generator mode, execute generator, and use its output as new
- * ApiPageSet
+ * Create a generator object of the given type and return it
* @param $generatorName string Module name
- * @param $modules array of module objects
+ * @return ApiQueryGeneratorBase
*/
- protected function executeGeneratorModule( $generatorName, $modules ) {
+ public function newGenerator( $generatorName ) {
// Find class that implements requested generator
if ( isset( $this->mQueryListModules[$generatorName] ) ) {
$className = $this->mQueryListModules[$generatorName];
} else {
ApiBase::dieDebug( __METHOD__, "Unknown generator=$generatorName" );
}
-
- // Generator results
- $resultPageSet = new ApiPageSet( $this, $this->redirects );
-
- // Create and execute the generator
$generator = new $className ( $this, $generatorName );
if ( !$generator instanceof ApiQueryGeneratorBase ) {
$this->dieUsage( "Module $generatorName cannot be used as a generator", 'badgenerator' );
}
-
$generator->setGeneratorMode();
+ return $generator;
+ }
+
+ /**
+ * For generator mode, execute generator, and use its output as new
+ * ApiPageSet
+ * @param $generator ApiQueryGeneratorBase Generator Module
+ * @param $modules array of module objects
+ */
+ protected function executeGeneratorModule( $generator, $modules ) {
+ // Generator results
+ $resultPageSet = new ApiPageSet( $this, $this->redirects, $this->convertTitles );
// Add any additional fields modules may need
$generator->requestExtraData( $this->mPageSet );
ApiBase::PARAM_TYPE => $this->mAllowedGenerators
),
'redirects' => false,
+ 'converttitles' => false,
'indexpageids' => false,
'export' => false,
'exportnowrap' => false,
+ 'iwurl' => false,
);
}
* @return string
*/
public function makeHelpMsg() {
- $msg = '';
-
// Make sure the internal object is empty
// (just in case a sub-module decides to optimize during instantiation)
$this->mPageSet = null;
$this->mAllowedGenerators = array(); // Will be repopulated
- $astriks = str_repeat( '--- ', 8 );
- $astriks2 = str_repeat( '*** ', 10 );
- $msg .= "\n$astriks Query: Prop $astriks\n\n";
+ $querySeparator = str_repeat( '--- ', 12 );
+ $moduleSeparator = str_repeat( '*** ', 14 );
+ $msg = "\n$querySeparator Query: Prop $querySeparator\n\n";
$msg .= $this->makeHelpMsgHelper( $this->mQueryPropModules, 'prop' );
- $msg .= "\n$astriks Query: List $astriks\n\n";
+ $msg .= "\n$querySeparator Query: List $querySeparator\n\n";
$msg .= $this->makeHelpMsgHelper( $this->mQueryListModules, 'list' );
- $msg .= "\n$astriks Query: Meta $astriks\n\n";
+ $msg .= "\n$querySeparator Query: Meta $querySeparator\n\n";
$msg .= $this->makeHelpMsgHelper( $this->mQueryMetaModules, 'meta' );
- $msg .= "\n\n$astriks2 Modules: continuation $astriks2\n\n";
+ $msg .= "\n\n$moduleSeparator Modules: continuation $moduleSeparator\n\n";
// Perform the base call last because the $this->mAllowedGenerators
// will be updated inside makeHelpMsgHelper()
/**
* For all modules in $moduleList, generate help messages and join them together
- * @param $moduleList array(modulename => classname)
+ * @param $moduleList Array array(modulename => classname)
* @param $paramName string Parameter name
* @return string
*/
$moduleDescriptions = array();
foreach ( $moduleList as $moduleName => $moduleClass ) {
- $module = new $moduleClass ( $this, $moduleName, null );
+ /**
+ * @var $module ApiQueryBase
+ */
+ $module = new $moduleClass( $this, $moduleName, null );
$msg = ApiMain::makeHelpMsgHeader( $module, $paramName );
$msg2 = $module->makeHelpMsg();
'generator' => array( 'Use the output of a list as the input for other prop/list/meta items',
'NOTE: generator parameter names must be prefixed with a \'g\', see examples' ),
'redirects' => 'Automatically resolve redirects',
+ 'converttitles' => array( "Convert titles to other variants if necessary. Only works if the wiki's content language supports variant conversion.",
+ 'Languages that support variant conversion include gan, iu, kk, ku, shi, sr, tg, zh' ),
'indexpageids' => 'Include an additional pageids section listing all returned page IDs',
'export' => 'Export the current revisions of all given or generated pages',
'exportnowrap' => 'Return the export XML without wrapping it in an XML result (same format as Special:Export). Can only be used with export',
+ 'iwurl' => 'Whether to get the full URL if the title is an interwiki link',
);
}
) );
}
- protected function getExamples() {
+ public function getExamples() {
return array(
'api.php?action=query&prop=revisions&meta=siteinfo&titles=Main%20Page&rvprop=user|comment',
'api.php?action=query&generator=allpages&gapprefix=API/&prop=revisions',
);
}
+ public function getHelpUrls() {
+ return array(
+ 'https://www.mediawiki.org/wiki/API:Meta',
+ 'https://www.mediawiki.org/wiki/API:Properties',
+ 'https://www.mediawiki.org/wiki/API:Lists',
+ );
+ }
+
public function getVersion() {
$psModule = new ApiPageSet( $this );
$vers = array();