<?php
-
/**
- * Created on Sep 7, 2006
*
- * API for MediaWiki 1.8+
+ *
+ * Created on Sep 7, 2006
*
* Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
*
*
* 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.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
*/
if ( !defined( 'MEDIAWIKI' ) ) {
class ApiQuery extends ApiBase {
private $mPropModuleNames, $mListModuleNames, $mMetaModuleNames;
+
+ /**
+ * @var ApiPageSet
+ */
private $mPageSet;
- private $params, $redirect;
+
+ private $params, $redirects, $convertTitles;
private $mQueryPropModules = array(
'info' => 'ApiQueryInfo',
'revisions' => 'ApiQueryRevisions',
'links' => 'ApiQueryLinks',
+ 'iwlinks' => 'ApiQueryIWLinks',
'langlinks' => 'ApiQueryLangLinks',
'images' => 'ApiQueryImages',
'imageinfo' => 'ApiQueryImageInfo',
+ 'stashimageinfo' => 'ApiQueryStashImageInfo',
'templates' => 'ApiQueryLinks',
'categories' => 'ApiQueryCategories',
'extlinks' => 'ApiQueryExternalLinks',
'categoryinfo' => 'ApiQueryCategoryInfo',
'duplicatefiles' => 'ApiQueryDuplicateFiles',
+ 'pageprops' => 'ApiQueryPageProps',
);
private $mQueryListModules = array(
'embeddedin' => 'ApiQueryBacklinks',
'filearchive' => 'ApiQueryFilearchive',
'imageusage' => 'ApiQueryBacklinks',
+ 'iwbacklinks' => 'ApiQueryIWBacklinks',
'logevents' => 'ApiQueryLogEvents',
'recentchanges' => 'ApiQueryRecentChanges',
'search' => 'ApiQuerySearch',
'users' => 'ApiQueryUsers',
'random' => 'ApiQueryRandom',
'protectedtitles' => 'ApiQueryProtectedTitles',
+ 'querypage' => 'ApiQueryQueryPage',
);
private $mQueryMetaModules = array(
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'];
// 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.
+ */
+ 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, $moduleList ) {
+ private function instantiateModules( &$modules, $param, $moduleList ) {
$list = @$this->params[$param];
if ( !is_null ( $list ) ) {
foreach ( $list as $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 ) {
$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->getNamespace() == NS_SPECIAL &&
+ !SpecialPage::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 ) {
+ $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->userCanRead() ) {
- $exporter->pageByTitle( $title );
+ $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();
}
+ // only export when there are titles
+ if ( !count( $exportTitles ) ) {
+ return;
+ }
+
+ $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,
$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 );
+ $module = new $moduleClass( $this, $moduleName, null );
$msg = ApiMain::makeHelpMsgHeader( $module, $paramName );
$msg2 = $module->makeHelpMsg();
public function getParamDescription() {
return array(
- 'prop' => 'Which properties to get for the titles/revisions/pageids',
- 'list' => 'Which lists to get',
- 'meta' => 'Which meta data to get about the site',
+ 'prop' => 'Which properties to get for the titles/revisions/pageids. Module help is available below',
+ 'list' => 'Which lists to get. Module help is available below',
+ 'meta' => 'Which metadata to get about the site. Module help is available below',
'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.' ),
+ 'NOTE: generator parameter names must be prefixed with a \'g\', see examples' ),
'redirects' => 'Automatically resolve redirects',
- 'indexpageids' => 'Include an additional pageids section listing all returned page IDs.',
+ '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 kk, ku, gan, tg, sr, 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',
);
return array(
'Query API module allows applications to get needed pieces of data from the MediaWiki databases,',
'and is loosely based on the old query.php interface.',
- 'All data modifications will first have to use query to acquire a token to prevent abuse from malicious sites.'
+ 'All data modifications will first have to use query to acquire a token to prevent abuse from malicious sites'
);
}