-<?php\r
-\r
-\r
-/*\r
- * Created on Sep 7, 2006\r
- *\r
- * API for MediaWiki 1.8+\r
- *\r
- * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>\r
- *\r
- * This program is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License along\r
- * with this program; if not, write to the Free Software Foundation, Inc.,\r
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\r
- * http://www.gnu.org/copyleft/gpl.html\r
- */\r
-\r
-if (!defined('MEDIAWIKI')) {\r
- // Eclipse helper - will be ignored in production\r
- require_once ("ApiBase.php");\r
-}\r
-\r
-class ApiQuery extends ApiBase {\r
-\r
- var $mMetaModuleNames, $mPropModuleNames, $mListModuleNames;\r
-\r
- private $mQueryMetaModules = array (\r
- 'siteinfo' => 'ApiQuerySiteinfo'\r
- );\r
- // 'userinfo' => 'ApiQueryUserinfo',\r
-\r
- private $mQueryPropModules = array (\r
- 'info' => 'ApiQueryInfo',\r
- 'revisions' => 'ApiQueryRevisions'\r
- );\r
- // 'categories' => 'ApiQueryCategories',\r
- // 'imageinfo' => 'ApiQueryImageinfo',\r
- // 'langlinks' => 'ApiQueryLanglinks',\r
- // 'links' => 'ApiQueryLinks',\r
- // 'templates' => 'ApiQueryTemplates',\r
-\r
- private $mQueryListModules = array (\r
- 'allpages' => 'ApiQueryAllpages'\r
- );\r
- // 'backlinks' => 'ApiQueryBacklinks',\r
- // 'categorymembers' => 'ApiQueryCategorymembers',\r
- // 'embeddedin' => 'ApiQueryEmbeddedin',\r
- // 'imagelinks' => 'ApiQueryImagelinks',\r
- // 'logevents' => 'ApiQueryLogevents',\r
- // 'recentchanges' => 'ApiQueryRecentchanges',\r
- // 'usercontribs' => 'ApiQueryUsercontribs',\r
- // 'users' => 'ApiQueryUsers',\r
- // 'watchlist' => 'ApiQueryWatchlist',\r
-\r
- private $mSlaveDB = null;\r
-\r
- public function __construct($main, $action) {\r
- parent :: __construct($main);\r
- $this->mMetaModuleNames = array_keys($this->mQueryMetaModules);\r
- $this->mPropModuleNames = array_keys($this->mQueryPropModules);\r
- $this->mListModuleNames = array_keys($this->mQueryListModules);\r
-\r
- // Allow the entire list of modules at first,\r
- // but during module instantiation check if it can be used as a generator.\r
- $this->mAllowedGenerators = array_merge($this->mListModuleNames, $this->mPropModuleNames);\r
- }\r
-\r
- public function GetDB() {\r
- if (!isset ($this->mSlaveDB))\r
- $this->mSlaveDB = & wfGetDB(DB_SLAVE);\r
- return $this->mSlaveDB;\r
- }\r
-\r
- /**\r
- * Query execution happens in the following steps:\r
- * #1 Create a PageSet object with any pages requested by the user\r
- * #2 If using generator, execute it to get a new PageSet object\r
- * #3 Instantiate all requested modules. \r
- * This way the PageSet object will know what shared data is required,\r
- * and minimize DB calls. \r
- * #4 Output all normalization and redirect resolution information\r
- * #5 Execute all requested modules\r
- */\r
- public function Execute() {\r
- $meta = $prop = $list = $generator = $titles = $pageids = $revids = null;\r
- $redirects = null;\r
- extract($this->ExtractRequestParams());\r
-\r
- //\r
- // Create and initialize PageSet\r
- //\r
- // Only one of the titles/pageids/revids is allowed at the same time\r
- $dataSource = null;\r
- if (isset ($titles))\r
- $dataSource = 'titles';\r
- if (isset ($pageids)) {\r
- if (isset ($dataSource))\r
- $this->DieUsage("Cannot use 'pageids' at the same time as '$dataSource'", 'multisource');\r
- $dataSource = 'pageids';\r
- }\r
- if (isset ($revids)) {\r
- if (isset ($dataSource))\r
- $this->DieUsage("Cannot use 'revids' at the same time as '$dataSource'", 'multisource');\r
- $dataSource = 'revids';\r
- }\r
-\r
- $data = new ApiPageSet($this->GetMain(), $this->GetDB(), $redirects);\r
-\r
- switch ($dataSource) {\r
- case 'titles' :\r
- $data->PopulateTitles($titles);\r
- break;\r
- case 'pageids' :\r
- $data->PopulatePageIDs($pageids);\r
- break;\r
- case 'titles' :\r
- $data->PopulateRevIDs($revids);\r
- break;\r
- default :\r
- // Do nothing - some queries do not need any of the data sources.\r
- break;\r
- }\r
-\r
- //\r
- // If generator is provided, get a new dataset to work on\r
- //\r
- if (isset ($generator))\r
- $data = $this->ExecuteGenerator($generator, $data, $redirects);\r
-\r
- // Instantiate required modules\r
- // During instantiation, modules may optimize data requests through the $data object \r
- // $data will be lazy loaded when modules begin to request data during execution\r
- $modules = array ();\r
- if (isset ($meta))\r
- foreach ($meta as $moduleName)\r
- $modules[] = new $this->mQueryMetaModules[$moduleName] ($this->GetMain(), $this, $moduleName, $data);\r
- if (isset ($prop))\r
- foreach ($prop as $moduleName)\r
- $modules[] = new $this->mQueryPropModules[$moduleName] ($this->GetMain(), $this, $moduleName, $data);\r
- if (isset ($list))\r
- foreach ($list as $moduleName)\r
- $modules[] = new $this->mQueryListModules[$moduleName] ($this->GetMain(), $this, $moduleName, $data);\r
-\r
- // Title normalizations\r
- foreach ($data->GetNormalizedTitles() as $rawTitleStr => $titleStr) {\r
- $this->GetResult()->AddMessage('query', 'normalized', array (\r
- 'from' => $rawTitleStr,\r
- 'to' => $titleStr\r
- ), 'n');\r
- }\r
-\r
- // Show redirect information\r
- if ($redirects) {\r
- foreach ($data->GetRedirectTitles() as $titleStrFrom => $titleStrTo) {\r
- $this->GetResult()->AddMessage('query', 'redirects', array (\r
- 'from' => $titleStrFrom,\r
- 'to' => $titleStrTo\r
- ), 'r');\r
- }\r
- }\r
-\r
- // Execute all requested modules.\r
- foreach ($modules as $module)\r
- $module->Execute();\r
- }\r
-\r
- protected function ExecuteGenerator($generator, $data, $redirects) {\r
- \r
- // Find class that implements requested generator\r
- if (isset ($this->mQueryListModules[$generator]))\r
- $className = $this->mQueryListModules[$generator];\r
- else if (isset ($this->mQueryPropModules[$generator]))\r
- $className = $this->mQueryPropModules[$generator];\r
- else\r
- $this->DieDebug("Unknown generator=$generator");\r
- \r
- \r
- $module = new $className($this->GetMain(), $this, $generator, $data, true);\r
-\r
- // TODO: implement\r
- $this->DieUsage("Generator execution has not been implemented", 'notimplemented');\r
- }\r
-\r
- protected function GetAllowedParams() {\r
- return array (\r
- 'meta' => array (\r
- GN_ENUM_ISMULTI => true,\r
- GN_ENUM_TYPE => $this->mMetaModuleNames\r
- ),\r
- 'prop' => array (\r
- GN_ENUM_ISMULTI => true,\r
- GN_ENUM_TYPE => $this->mPropModuleNames\r
- ),\r
- 'list' => array (\r
- GN_ENUM_ISMULTI => true,\r
- GN_ENUM_TYPE => $this->mListModuleNames\r
- ),\r
- // 'generator' => array (\r
- // GN_ENUM_TYPE => $this->mAllowedGenerators\r
- // ),\r
- 'titles' => array (\r
- GN_ENUM_ISMULTI => true\r
- ),\r
- // 'pageids' => array (\r
- // GN_ENUM_TYPE => 'integer',\r
- // GN_ENUM_ISMULTI => true\r
- // ),\r
- // 'revids' => array (\r
- // GN_ENUM_TYPE => 'integer',\r
- // GN_ENUM_ISMULTI => true\r
- // ),\r
- 'redirects' => false\r
- );\r
- }\r
-\r
- /**\r
- * Override the parent to generate help messages for all available query modules.\r
- */\r
- public function MakeHelpMsg() {\r
-\r
- // Use parent to make default message for the query module\r
- $msg = parent :: MakeHelpMsg();\r
-\r
- $astriks = str_repeat('--- ', 8);\r
- $msg .= "\n$astriks Query: Meta $astriks\n\n";\r
- $msg .= $this->MakeHelpMsgHelper($this->mQueryMetaModules, 'meta');\r
- $msg .= "\n$astriks Query: Prop $astriks\n\n";\r
- $msg .= $this->MakeHelpMsgHelper($this->mQueryPropModules, 'prop');\r
- $msg .= "\n$astriks Query: List $astriks\n\n";\r
- $msg .= $this->MakeHelpMsgHelper($this->mQueryListModules, 'list');\r
-\r
- return $msg;\r
- }\r
-\r
- private function MakeHelpMsgHelper($moduleList, $paramName) {\r
- $msg = '';\r
-\r
- foreach ($moduleList as $moduleName => $moduleClass) {\r
- $msg .= "* $paramName=$moduleName *";\r
- $module = new $moduleClass ($this->GetMain(), $this, $moduleName, null);\r
- $msg2 = $module->MakeHelpMsg();\r
- if ($msg2 !== false)\r
- $msg .= $msg2;\r
- $msg .= "\n";\r
- if ($module->GetCanGenerate())\r
- $msg .= " * Can be used as a generator\n";\r
- }\r
-\r
- return $msg;\r
- }\r
-\r
- protected function GetParamDescription() {\r
- return array (\r
- 'meta' => 'Which meta data to get about the site',\r
- 'prop' => 'Which properties to get for the titles/revisions/pageids',\r
- 'list' => 'Which lists to get',\r
- 'generator' => 'Use the output of a list as the input for other prop/list/meta items',\r
- 'titles' => 'A list of titles to work on',\r
- 'pageids' => 'A list of page IDs to work on',\r
- 'revids' => 'A list of revision IDs to work on',\r
- 'redirects' => 'Automatically resolve redirects'\r
- );\r
- }\r
-\r
- protected function GetDescription() {\r
- return array (\r
- 'Query API module allows applications to get needed pieces of data from the MediaWiki databases,',\r
- 'and is loosely based on the Query API interface currently available on all MediaWiki servers.',\r
- 'All data modifications will first have to use query to acquire a token to prevent abuse from malicious sites.'\r
- );\r
- }\r
-\r
- protected function GetExamples() {\r
- return array (\r
- 'api.php?action=query&what=content&titles=ArticleA|ArticleB'\r
- );\r
- }\r
-}\r
-?>
\ No newline at end of file
+<?php
+
+/*
+ * Created on Sep 7, 2006
+ *
+ * API for MediaWiki 1.8+
+ *
+ * Copyright (C) 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 ('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
+ * object), instantiate and execute various property/list/meta modules, and
+ * assemble all resulting data into a single ApiResult object.
+ *
+ * In generator mode, a generator will be executed first to populate a second
+ * ApiPageSet object, and that object will be used for all subsequent modules.
+ *
+ * @ingroup API
+ */
+class ApiQuery extends ApiBase {
+
+ private $mPropModuleNames, $mListModuleNames, $mMetaModuleNames;
+ private $mPageSet;
+ private $params, $redirect;
+
+ private $mQueryPropModules = array (
+ 'info' => 'ApiQueryInfo',
+ 'revisions' => 'ApiQueryRevisions',
+ 'links' => 'ApiQueryLinks',
+ 'langlinks' => 'ApiQueryLangLinks',
+ 'images' => 'ApiQueryImages',
+ 'imageinfo' => 'ApiQueryImageInfo',
+ 'templates' => 'ApiQueryLinks',
+ 'categories' => 'ApiQueryCategories',
+ 'extlinks' => 'ApiQueryExternalLinks',
+ 'categoryinfo' => 'ApiQueryCategoryInfo',
+ 'duplicatefiles' => 'ApiQueryDuplicateFiles',
+ );
+
+ private $mQueryListModules = array (
+ 'allimages' => 'ApiQueryAllimages',
+ 'allpages' => 'ApiQueryAllpages',
+ 'alllinks' => 'ApiQueryAllLinks',
+ 'allcategories' => 'ApiQueryAllCategories',
+ 'allusers' => 'ApiQueryAllUsers',
+ 'backlinks' => 'ApiQueryBacklinks',
+ 'blocks' => 'ApiQueryBlocks',
+ 'categorymembers' => 'ApiQueryCategoryMembers',
+ 'deletedrevs' => 'ApiQueryDeletedrevs',
+ 'embeddedin' => 'ApiQueryBacklinks',
+ 'imageusage' => 'ApiQueryBacklinks',
+ 'logevents' => 'ApiQueryLogEvents',
+ 'recentchanges' => 'ApiQueryRecentChanges',
+ 'search' => 'ApiQuerySearch',
+ 'tags' => 'ApiQueryTags',
+ 'usercontribs' => 'ApiQueryContributions',
+ 'watchlist' => 'ApiQueryWatchlist',
+ 'watchlistraw' => 'ApiQueryWatchlistRaw',
+ 'exturlusage' => 'ApiQueryExtLinksUsage',
+ 'users' => 'ApiQueryUsers',
+ 'random' => 'ApiQueryRandom',
+ 'protectedtitles' => 'ApiQueryProtectedTitles',
+ );
+
+ private $mQueryMetaModules = array (
+ 'siteinfo' => 'ApiQuerySiteinfo',
+ 'userinfo' => 'ApiQueryUserInfo',
+ 'allmessages' => 'ApiQueryAllmessages',
+ );
+
+ private $mSlaveDB = null;
+ private $mNamedDB = array();
+
+ public function __construct($main, $action) {
+ parent :: __construct($main, $action);
+
+ // Allow custom modules to be added in LocalSettings.php
+ global $wgAPIPropModules, $wgAPIListModules, $wgAPIMetaModules;
+ self :: appendUserModules($this->mQueryPropModules, $wgAPIPropModules);
+ self :: appendUserModules($this->mQueryListModules, $wgAPIListModules);
+ self :: appendUserModules($this->mQueryMetaModules, $wgAPIMetaModules);
+
+ $this->mPropModuleNames = array_keys($this->mQueryPropModules);
+ $this->mListModuleNames = array_keys($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);
+ }
+
+ /**
+ * Helper function to append any add-in modules to the list
+ * @param $modules array Module array
+ * @param $newModules array Module array to add to $modules
+ */
+ private static function appendUserModules(&$modules, $newModules) {
+ if (is_array( $newModules )) {
+ foreach ( $newModules as $moduleName => $moduleClass) {
+ $modules[$moduleName] = $moduleClass;
+ }
+ }
+ }
+
+ /**
+ * Gets a default slave database connection object
+ * @return Database
+ */
+ public function getDB() {
+ if (!isset ($this->mSlaveDB)) {
+ $this->profileDBIn();
+ $this->mSlaveDB = wfGetDB(DB_SLAVE,'api');
+ $this->profileDBOut();
+ }
+ return $this->mSlaveDB;
+ }
+
+ /**
+ * Get the query database connection with the given name.
+ * If no such connection has been requested before, it will be created.
+ * Subsequent calls with the same $name will return the same connection
+ * as the first, regardless of the values of $db and $groups
+ * @param $name string Name to assign to the database connection
+ * @param $db int One of the DB_* constants
+ * @param $groups array Query groups
+ * @return Database
+ */
+ public function getNamedDB($name, $db, $groups) {
+ if (!array_key_exists($name, $this->mNamedDB)) {
+ $this->profileDBIn();
+ $this->mNamedDB[$name] = wfGetDB($db, $groups);
+ $this->profileDBOut();
+ }
+ return $this->mNamedDB[$name];
+ }
+
+ /**
+ * Gets the set of pages the user has requested (or generated)
+ * @return ApiPageSet
+ */
+ public function getPageSet() {
+ return $this->mPageSet;
+ }
+
+ /**
+ * Get the array mapping module names to class names
+ * @return array(modulename => classname)
+ */
+ function getModules() {
+ return array_merge($this->mQueryPropModules, $this->mQueryListModules, $this->mQueryMetaModules);
+ }
+
+ public function getCustomPrinter() {
+ // If &exportnowrap is set, use the raw formatter
+ if ($this->getParameter('export') &&
+ $this->getParameter('exportnowrap'))
+ return new ApiFormatRaw($this->getMain(),
+ $this->getMain()->createPrinterByName('xml'));
+ else
+ return null;
+ }
+
+ /**
+ * Query execution happens in the following steps:
+ * #1 Create a PageSet object with any pages requested by the user
+ * #2 If using a generator, execute it to get a new ApiPageSet object
+ * #3 Instantiate all requested modules.
+ * This way the PageSet object will know what shared data is required,
+ * and minimize DB calls.
+ * #4 Output all normalization and redirect resolution information
+ * #5 Execute all requested modules
+ */
+ public function execute() {
+
+ $this->params = $this->extractRequestParams();
+ $this->redirects = $this->params['redirects'];
+
+ //
+ // Create PageSet
+ //
+ $this->mPageSet = new ApiPageSet($this, $this->redirects);
+
+ //
+ // Instantiate requested modules
+ //
+ $modules = array ();
+ $this->InstantiateModules($modules, 'prop', $this->mQueryPropModules);
+ $this->InstantiateModules($modules, 'list', $this->mQueryListModules);
+ $this->InstantiateModules($modules, 'meta', $this->mQueryMetaModules);
+
+ //
+ // If given, execute generator to substitute user supplied data with generated data.
+ //
+ if (isset ($this->params['generator'])) {
+ $this->executeGeneratorModule($this->params['generator'], $modules);
+ } else {
+ // Append custom fields and populate page/revision information
+ $this->addCustomFldsToPageSet($modules, $this->mPageSet);
+ $this->mPageSet->execute();
+ }
+
+ //
+ // Record page information (title, namespace, if exists, etc)
+ //
+ $this->outputGeneralPageInfo();
+
+ //
+ // Execute all requested modules.
+ //
+ foreach ($modules as $module) {
+ $module->profileIn();
+ $module->execute();
+ wfRunHooks('APIQueryAfterExecute', array(&$module));
+ $module->profileOut();
+ }
+ }
+
+ /**
+ * Query modules may optimize data requests through the $this->getPageSet() object
+ * by adding extra fields from the page table.
+ * This function will gather all the extra request fields from the modules.
+ * @param $modules array of module objects
+ * @param $pageSet ApiPageSet
+ */
+ private function addCustomFldsToPageSet($modules, $pageSet) {
+ // Query all requested modules.
+ foreach ($modules as $module) {
+ $module->requestExtraData($pageSet);
+ }
+ }
+
+ /**
+ * Create instances of all modules requested by the client
+ * @param $modules array to append instatiated modules to
+ * @param $param string Parameter name to read modules from
+ * @param $moduleList array(modulename => classname)
+ */
+ private function InstantiateModules(&$modules, $param, $moduleList) {
+ $list = @$this->params[$param];
+ if (!is_null ($list))
+ foreach ($list as $moduleName)
+ $modules[] = new $moduleList[$moduleName] ($this, $moduleName);
+ }
+
+ /**
+ * Appends an element for each page in the current pageSet with the
+ * most general information (id, title), plus any title normalizations
+ * and missing or invalid title/pageids/revids.
+ */
+ private function outputGeneralPageInfo() {
+
+ $pageSet = $this->getPageSet();
+ $result = $this->getResult();
+
+ # We don't check for a full result set here because we can't be adding
+ # more than 380K. The maximum revision size is in the megabyte range,
+ # and the maximum result size must be even higher than that.
+
+ // Title normalizations
+ $normValues = array ();
+ foreach ($pageSet->getNormalizedTitles() as $rawTitleStr => $titleStr) {
+ $normValues[] = array (
+ 'from' => $rawTitleStr,
+ 'to' => $titleStr
+ );
+ }
+
+ if (count($normValues)) {
+ $result->setIndexedTagName($normValues, 'n');
+ $result->addValue('query', 'normalized', $normValues);
+ }
+
+ // Interwiki titles
+ $intrwValues = array ();
+ foreach ($pageSet->getInterwikiTitles() as $rawTitleStr => $interwikiStr) {
+ $intrwValues[] = array (
+ 'title' => $rawTitleStr,
+ 'iw' => $interwikiStr
+ );
+ }
+
+ if (count($intrwValues)) {
+ $result->setIndexedTagName($intrwValues, 'i');
+ $result->addValue('query', 'interwiki', $intrwValues);
+ }
+
+ // Show redirect information
+ $redirValues = array ();
+ foreach ($pageSet->getRedirectTitles() as $titleStrFrom => $titleStrTo) {
+ $redirValues[] = array (
+ 'from' => strval($titleStrFrom),
+ 'to' => $titleStrTo
+ );
+ }
+
+ if (count($redirValues)) {
+ $result->setIndexedTagName($redirValues, 'r');
+ $result->addValue('query', 'redirects', $redirValues);
+ }
+
+ //
+ // Missing revision elements
+ //
+ $missingRevIDs = $pageSet->getMissingRevisionIDs();
+ if (count($missingRevIDs)) {
+ $revids = array ();
+ foreach ($missingRevIDs as $revid) {
+ $revids[$revid] = array (
+ 'revid' => $revid
+ );
+ }
+ $result->setIndexedTagName($revids, 'rev');
+ $result->addValue('query', 'badrevids', $revids);
+ }
+
+ //
+ // Page elements
+ //
+ $pages = array ();
+
+ // Report any missing titles
+ foreach ($pageSet->getMissingTitles() as $fakeId => $title) {
+ $vals = array();
+ ApiQueryBase :: addTitleInfo($vals, $title);
+ $vals['missing'] = '';
+ $pages[$fakeId] = $vals;
+ }
+ // Report any invalid titles
+ foreach ($pageSet->getInvalidTitles() as $fakeId => $title)
+ $pages[$fakeId] = array('title' => $title, 'invalid' => '');
+ // Report any missing page ids
+ foreach ($pageSet->getMissingPageIDs() as $pageid) {
+ $pages[$pageid] = array (
+ 'pageid' => $pageid,
+ 'missing' => ''
+ );
+ }
+
+ // Output general page information for found titles
+ foreach ($pageSet->getGoodTitles() as $pageid => $title) {
+ $vals = array();
+ $vals['pageid'] = $pageid;
+ ApiQueryBase :: addTitleInfo($vals, $title);
+ $pages[$pageid] = $vals;
+ }
+
+ if (count($pages)) {
+
+ if ($this->params['indexpageids']) {
+ $pageIDs = array_keys($pages);
+ // json treats all map keys as strings - converting to match
+ $pageIDs = array_map('strval', $pageIDs);
+ $result->setIndexedTagName($pageIDs, 'id');
+ $result->addValue('query', 'pageids', $pageIDs);
+ }
+
+ $result->setIndexedTagName($pages, 'page');
+ $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);
+ $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
+ * @param $generatorName string Module name
+ * @param $modules array of module objects
+ */
+ protected function executeGeneratorModule($generatorName, $modules) {
+
+ // Find class that implements requested generator
+ if (isset ($this->mQueryListModules[$generatorName])) {
+ $className = $this->mQueryListModules[$generatorName];
+ } elseif (isset ($this->mQueryPropModules[$generatorName])) {
+ $className = $this->mQueryPropModules[$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();
+
+ // Add any additional fields modules may need
+ $generator->requestExtraData($this->mPageSet);
+ $this->addCustomFldsToPageSet($modules, $resultPageSet);
+
+ // Populate page information with the original user input
+ $this->mPageSet->execute();
+
+ // populate resultPageSet with the generator output
+ $generator->profileIn();
+ $generator->executeGenerator($resultPageSet);
+ wfRunHooks('APIQueryGeneratorAfterExecute', array(&$generator, &$resultPageSet));
+ $resultPageSet->finishPageSetGeneration();
+ $generator->profileOut();
+
+ // Swap the resulting pageset back in
+ $this->mPageSet = $resultPageSet;
+ }
+
+ public function getAllowedParams() {
+ return array (
+ 'prop' => array (
+ ApiBase :: PARAM_ISMULTI => true,
+ ApiBase :: PARAM_TYPE => $this->mPropModuleNames
+ ),
+ 'list' => array (
+ ApiBase :: PARAM_ISMULTI => true,
+ ApiBase :: PARAM_TYPE => $this->mListModuleNames
+ ),
+ 'meta' => array (
+ ApiBase :: PARAM_ISMULTI => true,
+ ApiBase :: PARAM_TYPE => $this->mMetaModuleNames
+ ),
+ 'generator' => array (
+ ApiBase :: PARAM_TYPE => $this->mAllowedGenerators
+ ),
+ 'redirects' => false,
+ 'indexpageids' => false,
+ 'export' => false,
+ 'exportnowrap' => false,
+ );
+ }
+
+ /**
+ * Override the parent to generate help messages for all available query modules.
+ * @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";
+ $msg .= $this->makeHelpMsgHelper($this->mQueryPropModules, 'prop');
+ $msg .= "\n$astriks Query: List $astriks\n\n";
+ $msg .= $this->makeHelpMsgHelper($this->mQueryListModules, 'list');
+ $msg .= "\n$astriks Query: Meta $astriks\n\n";
+ $msg .= $this->makeHelpMsgHelper($this->mQueryMetaModules, 'meta');
+ $msg .= "\n\n$astriks2 Modules: continuation $astriks2\n\n";
+
+ // Perform the base call last because the $this->mAllowedGenerators
+ // will be updated inside makeHelpMsgHelper()
+ // Use parent to make default message for the query module
+ $msg = parent :: makeHelpMsg() . $msg;
+
+ return $msg;
+ }
+
+ /**
+ * For all modules in $moduleList, generate help messages and join them together
+ * @param $moduleList array(modulename => classname)
+ * @param $paramName string Parameter name
+ * @return string
+ */
+ private function makeHelpMsgHelper($moduleList, $paramName) {
+
+ $moduleDescriptions = array ();
+
+ foreach ($moduleList as $moduleName => $moduleClass) {
+ $module = new $moduleClass ($this, $moduleName, null);
+
+ $msg = ApiMain::makeHelpMsgHeader($module, $paramName);
+ $msg2 = $module->makeHelpMsg();
+ if ($msg2 !== false)
+ $msg .= $msg2;
+ if ($module instanceof ApiQueryGeneratorBase) {
+ $this->mAllowedGenerators[] = $moduleName;
+ $msg .= "Generator:\n This module may be used as a generator\n";
+ }
+ $moduleDescriptions[] = $msg;
+ }
+
+ return implode("\n", $moduleDescriptions);
+ }
+
+ /**
+ * Override to add extra parameters from PageSet
+ * @return string
+ */
+ public function makeHelpMsgParameters() {
+ $psModule = new ApiPageSet($this);
+ return $psModule->makeHelpMsgParameters() . parent :: makeHelpMsgParameters();
+ }
+
+ public function shouldCheckMaxlag() {
+ return true;
+ }
+
+ 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',
+ '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',
+ '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',
+ );
+ }
+
+ public function getDescription() {
+ 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.'
+ );
+ }
+
+ protected 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 getVersion() {
+ $psModule = new ApiPageSet($this);
+ $vers = array ();
+ $vers[] = __CLASS__ . ': $Id$';
+ $vers[] = $psModule->getVersion();
+ return $vers;
+ }
+}
\ No newline at end of file
dépôts / lhc / web / wiklou.git / blobdiff