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+<?php
+/**
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+use MediaWiki\MediaWikiServices;
+use MediaWiki\Linker\LinkTarget;
+
+/**
+ * A query module to show basic page information.
+ *
+ * @ingroup API
+ */
+class ApiQueryInfo extends ApiQueryBase {
+
+ private $fld_protection = false, $fld_talkid = false,
+ $fld_subjectid = false, $fld_url = false,
+ $fld_readable = false, $fld_watched = false,
+ $fld_watchers = false, $fld_visitingwatchers = false,
+ $fld_notificationtimestamp = false,
+ $fld_preload = false, $fld_displaytitle = false, $fld_varianttitles = false;
+
+ private $params;
+
+ /** @var Title[] */
+ private $titles;
+ /** @var Title[] */
+ private $missing;
+ /** @var Title[] */
+ private $everything;
+
+ private $pageRestrictions, $pageIsRedir, $pageIsNew, $pageTouched,
+ $pageLatest, $pageLength;
+
+ private $protections, $restrictionTypes, $watched, $watchers, $visitingwatchers,
+ $notificationtimestamps, $talkids, $subjectids, $displaytitles, $variantTitles;
+ private $showZeroWatchers = false;
+
+ private $tokenFunctions;
+
+ private $countTestedActions = 0;
+
+ public function __construct( ApiQuery $query, $moduleName ) {
+ parent::__construct( $query, $moduleName, 'in' );
+ }
+
+ /**
+ * @param ApiPageSet $pageSet
+ * @return void
+ */
+ public function requestExtraData( $pageSet ) {
+ $pageSet->requestField( 'page_restrictions' );
+ // If the pageset is resolving redirects we won't get page_is_redirect.
+ // But we can't know for sure until the pageset is executed (revids may
+ // turn it off), so request it unconditionally.
+ $pageSet->requestField( 'page_is_redirect' );
+ $pageSet->requestField( 'page_is_new' );
+ $config = $this->getConfig();
+ $pageSet->requestField( 'page_touched' );
+ $pageSet->requestField( 'page_latest' );
+ $pageSet->requestField( 'page_len' );
+ if ( $config->get( 'ContentHandlerUseDB' ) ) {
+ $pageSet->requestField( 'page_content_model' );
+ }
+ if ( $config->get( 'PageLanguageUseDB' ) ) {
+ $pageSet->requestField( 'page_lang' );
+ }
+ }
+
+ /**
+ * Get an array mapping token names to their handler functions.
+ * The prototype for a token function is func($pageid, $title)
+ * it should return a token or false (permission denied)
+ * @deprecated since 1.24
+ * @return array [ tokenname => function ]
+ */
+ protected function getTokenFunctions() {
+ // Don't call the hooks twice
+ if ( isset( $this->tokenFunctions ) ) {
+ return $this->tokenFunctions;
+ }
+
+ // If we're in a mode that breaks the same-origin policy, no tokens can
+ // be obtained
+ if ( $this->lacksSameOriginSecurity() ) {
+ return [];
+ }
+
+ $this->tokenFunctions = [
+ 'edit' => [ self::class, 'getEditToken' ],
+ 'delete' => [ self::class, 'getDeleteToken' ],
+ 'protect' => [ self::class, 'getProtectToken' ],
+ 'move' => [ self::class, 'getMoveToken' ],
+ 'block' => [ self::class, 'getBlockToken' ],
+ 'unblock' => [ self::class, 'getUnblockToken' ],
+ 'email' => [ self::class, 'getEmailToken' ],
+ 'import' => [ self::class, 'getImportToken' ],
+ 'watch' => [ self::class, 'getWatchToken' ],
+ ];
+ Hooks::run( 'APIQueryInfoTokens', [ &$this->tokenFunctions ] );
+
+ return $this->tokenFunctions;
+ }
+
+ static protected $cachedTokens = [];
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function resetTokenCache() {
+ self::$cachedTokens = [];
+ }
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function getEditToken( $pageid, $title ) {
+ // We could check for $title->userCan('edit') here,
+ // but that's too expensive for this purpose
+ // and would break caching
+ global $wgUser;
+ if ( !$wgUser->isAllowed( 'edit' ) ) {
+ return false;
+ }
+
+ // The token is always the same, let's exploit that
+ if ( !isset( self::$cachedTokens['edit'] ) ) {
+ self::$cachedTokens['edit'] = $wgUser->getEditToken();
+ }
+
+ return self::$cachedTokens['edit'];
+ }
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function getDeleteToken( $pageid, $title ) {
+ global $wgUser;
+ if ( !$wgUser->isAllowed( 'delete' ) ) {
+ return false;
+ }
+
+ // The token is always the same, let's exploit that
+ if ( !isset( self::$cachedTokens['delete'] ) ) {
+ self::$cachedTokens['delete'] = $wgUser->getEditToken();
+ }
+
+ return self::$cachedTokens['delete'];
+ }
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function getProtectToken( $pageid, $title ) {
+ global $wgUser;
+ if ( !$wgUser->isAllowed( 'protect' ) ) {
+ return false;
+ }
+
+ // The token is always the same, let's exploit that
+ if ( !isset( self::$cachedTokens['protect'] ) ) {
+ self::$cachedTokens['protect'] = $wgUser->getEditToken();
+ }
+
+ return self::$cachedTokens['protect'];
+ }
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function getMoveToken( $pageid, $title ) {
+ global $wgUser;
+ if ( !$wgUser->isAllowed( 'move' ) ) {
+ return false;
+ }
+
+ // The token is always the same, let's exploit that
+ if ( !isset( self::$cachedTokens['move'] ) ) {
+ self::$cachedTokens['move'] = $wgUser->getEditToken();
+ }
+
+ return self::$cachedTokens['move'];
+ }
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function getBlockToken( $pageid, $title ) {
+ global $wgUser;
+ if ( !$wgUser->isAllowed( 'block' ) ) {
+ return false;
+ }
+
+ // The token is always the same, let's exploit that
+ if ( !isset( self::$cachedTokens['block'] ) ) {
+ self::$cachedTokens['block'] = $wgUser->getEditToken();
+ }
+
+ return self::$cachedTokens['block'];
+ }
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function getUnblockToken( $pageid, $title ) {
+ // Currently, this is exactly the same as the block token
+ return self::getBlockToken( $pageid, $title );
+ }
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function getEmailToken( $pageid, $title ) {
+ global $wgUser;
+ if ( !$wgUser->canSendEmail() || $wgUser->isBlockedFromEmailuser() ) {
+ return false;
+ }
+
+ // The token is always the same, let's exploit that
+ if ( !isset( self::$cachedTokens['email'] ) ) {
+ self::$cachedTokens['email'] = $wgUser->getEditToken();
+ }
+
+ return self::$cachedTokens['email'];
+ }
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function getImportToken( $pageid, $title ) {
+ global $wgUser;
+ if ( !$wgUser->isAllowedAny( 'import', 'importupload' ) ) {
+ return false;
+ }
+
+ // The token is always the same, let's exploit that
+ if ( !isset( self::$cachedTokens['import'] ) ) {
+ self::$cachedTokens['import'] = $wgUser->getEditToken();
+ }
+
+ return self::$cachedTokens['import'];
+ }
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function getWatchToken( $pageid, $title ) {
+ global $wgUser;
+ if ( !$wgUser->isLoggedIn() ) {
+ return false;
+ }
+
+ // The token is always the same, let's exploit that
+ if ( !isset( self::$cachedTokens['watch'] ) ) {
+ self::$cachedTokens['watch'] = $wgUser->getEditToken( 'watch' );
+ }
+
+ return self::$cachedTokens['watch'];
+ }
+
+ /**
+ * @deprecated since 1.24
+ */
+ public static function getOptionsToken( $pageid, $title ) {
+ global $wgUser;
+ if ( !$wgUser->isLoggedIn() ) {
+ return false;
+ }
+
+ // The token is always the same, let's exploit that
+ if ( !isset( self::$cachedTokens['options'] ) ) {
+ self::$cachedTokens['options'] = $wgUser->getEditToken();
+ }
+
+ return self::$cachedTokens['options'];
+ }
+
+ public function execute() {
+ $this->params = $this->extractRequestParams();
+ if ( !is_null( $this->params['prop'] ) ) {
+ $prop = array_flip( $this->params['prop'] );
+ $this->fld_protection = isset( $prop['protection'] );
+ $this->fld_watched = isset( $prop['watched'] );
+ $this->fld_watchers = isset( $prop['watchers'] );
+ $this->fld_visitingwatchers = isset( $prop['visitingwatchers'] );
+ $this->fld_notificationtimestamp = isset( $prop['notificationtimestamp'] );
+ $this->fld_talkid = isset( $prop['talkid'] );
+ $this->fld_subjectid = isset( $prop['subjectid'] );
+ $this->fld_url = isset( $prop['url'] );
+ $this->fld_readable = isset( $prop['readable'] );
+ $this->fld_preload = isset( $prop['preload'] );
+ $this->fld_displaytitle = isset( $prop['displaytitle'] );
+ $this->fld_varianttitles = isset( $prop['varianttitles'] );
+ }
+
+ $pageSet = $this->getPageSet();
+ $this->titles = $pageSet->getGoodTitles();
+ $this->missing = $pageSet->getMissingTitles();
+ $this->everything = $this->titles + $this->missing;
+ $result = $this->getResult();
+
+ uasort( $this->everything, [ Title::class, 'compare' ] );
+ if ( !is_null( $this->params['continue'] ) ) {
+ // Throw away any titles we're gonna skip so they don't
+ // clutter queries
+ $cont = explode( '|', $this->params['continue'] );
+ $this->dieContinueUsageIf( count( $cont ) != 2 );
+ $conttitle = Title::makeTitleSafe( $cont[0], $cont[1] );
+ foreach ( $this->everything as $pageid => $title ) {
+ if ( Title::compare( $title, $conttitle ) >= 0 ) {
+ break;
+ }
+ unset( $this->titles[$pageid] );
+ unset( $this->missing[$pageid] );
+ unset( $this->everything[$pageid] );
+ }
+ }
+
+ $this->pageRestrictions = $pageSet->getCustomField( 'page_restrictions' );
+ // when resolving redirects, no page will have this field
+ $this->pageIsRedir = !$pageSet->isResolvingRedirects()
+ ? $pageSet->getCustomField( 'page_is_redirect' )
+ : [];
+ $this->pageIsNew = $pageSet->getCustomField( 'page_is_new' );
+
+ $this->pageTouched = $pageSet->getCustomField( 'page_touched' );
+ $this->pageLatest = $pageSet->getCustomField( 'page_latest' );
+ $this->pageLength = $pageSet->getCustomField( 'page_len' );
+
+ // Get protection info if requested
+ if ( $this->fld_protection ) {
+ $this->getProtectionInfo();
+ }
+
+ if ( $this->fld_watched || $this->fld_notificationtimestamp ) {
+ $this->getWatchedInfo();
+ }
+
+ if ( $this->fld_watchers ) {
+ $this->getWatcherInfo();
+ }
+
+ if ( $this->fld_visitingwatchers ) {
+ $this->getVisitingWatcherInfo();
+ }
+
+ // Run the talkid/subjectid query if requested
+ if ( $this->fld_talkid || $this->fld_subjectid ) {
+ $this->getTSIDs();
+ }
+
+ if ( $this->fld_displaytitle ) {
+ $this->getDisplayTitle();
+ }
+
+ if ( $this->fld_varianttitles ) {
+ $this->getVariantTitles();
+ }
+
+ /** @var Title $title */
+ foreach ( $this->everything as $pageid => $title ) {
+ $pageInfo = $this->extractPageInfo( $pageid, $title );
+ $fit = $pageInfo !== null && $result->addValue( [
+ 'query',
+ 'pages'
+ ], $pageid, $pageInfo );
+ if ( !$fit ) {
+ $this->setContinueEnumParameter( 'continue',
+ $title->getNamespace() . '|' .
+ $title->getText() );
+ break;
+ }
+ }
+ }
+
+ /**
+ * Get a result array with information about a title
+ * @param int $pageid Page ID (negative for missing titles)
+ * @param Title $title
+ * @return array|null
+ */
+ private function extractPageInfo( $pageid, $title ) {
+ $pageInfo = [];
+ // $title->exists() needs pageid, which is not set for all title objects
+ $titleExists = $pageid > 0;
+ $ns = $title->getNamespace();
+ $dbkey = $title->getDBkey();
+
+ $pageInfo['contentmodel'] = $title->getContentModel();
+
+ $pageLanguage = $title->getPageLanguage();
+ $pageInfo['pagelanguage'] = $pageLanguage->getCode();
+ $pageInfo['pagelanguagehtmlcode'] = $pageLanguage->getHtmlCode();
+ $pageInfo['pagelanguagedir'] = $pageLanguage->getDir();
+
+ if ( $titleExists ) {
+ $pageInfo['touched'] = wfTimestamp( TS_ISO_8601, $this->pageTouched[$pageid] );
+ $pageInfo['lastrevid'] = intval( $this->pageLatest[$pageid] );
+ $pageInfo['length'] = intval( $this->pageLength[$pageid] );
+
+ if ( isset( $this->pageIsRedir[$pageid] ) && $this->pageIsRedir[$pageid] ) {
+ $pageInfo['redirect'] = true;
+ }
+ if ( $this->pageIsNew[$pageid] ) {
+ $pageInfo['new'] = true;
+ }
+ }
+
+ if ( !is_null( $this->params['token'] ) ) {
+ $tokenFunctions = $this->getTokenFunctions();
+ $pageInfo['starttimestamp'] = wfTimestamp( TS_ISO_8601, time() );
+ foreach ( $this->params['token'] as $t ) {
+ $val = call_user_func( $tokenFunctions[$t], $pageid, $title );
+ if ( $val === false ) {
+ $this->addWarning( [ 'apiwarn-tokennotallowed', $t ] );
+ } else {
+ $pageInfo[$t . 'token'] = $val;
+ }
+ }
+ }
+
+ if ( $this->fld_protection ) {
+ $pageInfo['protection'] = [];
+ if ( isset( $this->protections[$ns][$dbkey] ) ) {
+ $pageInfo['protection'] =
+ $this->protections[$ns][$dbkey];
+ }
+ ApiResult::setIndexedTagName( $pageInfo['protection'], 'pr' );
+
+ $pageInfo['restrictiontypes'] = [];
+ if ( isset( $this->restrictionTypes[$ns][$dbkey] ) ) {
+ $pageInfo['restrictiontypes'] =
+ $this->restrictionTypes[$ns][$dbkey];
+ }
+ ApiResult::setIndexedTagName( $pageInfo['restrictiontypes'], 'rt' );
+ }
+
+ if ( $this->fld_watched && $this->watched !== null ) {
+ $pageInfo['watched'] = $this->watched[$ns][$dbkey];
+ }
+
+ if ( $this->fld_watchers ) {
+ if ( $this->watchers !== null && $this->watchers[$ns][$dbkey] !== 0 ) {
+ $pageInfo['watchers'] = $this->watchers[$ns][$dbkey];
+ } elseif ( $this->showZeroWatchers ) {
+ $pageInfo['watchers'] = 0;
+ }
+ }
+
+ if ( $this->fld_visitingwatchers ) {
+ if ( $this->visitingwatchers !== null && $this->visitingwatchers[$ns][$dbkey] !== 0 ) {
+ $pageInfo['visitingwatchers'] = $this->visitingwatchers[$ns][$dbkey];
+ } elseif ( $this->showZeroWatchers ) {
+ $pageInfo['visitingwatchers'] = 0;
+ }
+ }
+
+ if ( $this->fld_notificationtimestamp ) {
+ $pageInfo['notificationtimestamp'] = '';
+ if ( $this->notificationtimestamps[$ns][$dbkey] ) {
+ $pageInfo['notificationtimestamp'] =
+ wfTimestamp( TS_ISO_8601, $this->notificationtimestamps[$ns][$dbkey] );
+ }
+ }
+
+ if ( $this->fld_talkid && isset( $this->talkids[$ns][$dbkey] ) ) {
+ $pageInfo['talkid'] = $this->talkids[$ns][$dbkey];
+ }
+
+ if ( $this->fld_subjectid && isset( $this->subjectids[$ns][$dbkey] ) ) {
+ $pageInfo['subjectid'] = $this->subjectids[$ns][$dbkey];
+ }
+
+ if ( $this->fld_url ) {
+ $pageInfo['fullurl'] = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT );
+ $pageInfo['editurl'] = wfExpandUrl( $title->getFullURL( 'action=edit' ), PROTO_CURRENT );
+ $pageInfo['canonicalurl'] = wfExpandUrl( $title->getFullURL(), PROTO_CANONICAL );
+ }
+ if ( $this->fld_readable ) {
+ $pageInfo['readable'] = $title->userCan( 'read', $this->getUser() );
+ }
+
+ if ( $this->fld_preload ) {
+ if ( $titleExists ) {
+ $pageInfo['preload'] = '';
+ } else {
+ $text = null;
+ Hooks::run( 'EditFormPreloadText', [ &$text, &$title ] );
+
+ $pageInfo['preload'] = $text;
+ }
+ }
+
+ if ( $this->fld_displaytitle ) {
+ if ( isset( $this->displaytitles[$pageid] ) ) {
+ $pageInfo['displaytitle'] = $this->displaytitles[$pageid];
+ } else {
+ $pageInfo['displaytitle'] = $title->getPrefixedText();
+ }
+ }
+
+ if ( $this->fld_varianttitles ) {
+ if ( isset( $this->variantTitles[$pageid] ) ) {
+ $pageInfo['varianttitles'] = $this->variantTitles[$pageid];
+ }
+ }
+
+ if ( $this->params['testactions'] ) {
+ $limit = $this->getMain()->canApiHighLimits() ? self::LIMIT_SML1 : self::LIMIT_SML2;
+ if ( $this->countTestedActions >= $limit ) {
+ return null; // force a continuation
+ }
+
+ $user = $this->getUser();
+ $pageInfo['actions'] = [];
+ foreach ( $this->params['testactions'] as $action ) {
+ $this->countTestedActions++;
+ $pageInfo['actions'][$action] = $title->userCan( $action, $user );
+ }
+ }
+
+ return $pageInfo;
+ }
+
+ /**
+ * Get information about protections and put it in $protections
+ */
+ private function getProtectionInfo() {
+ $this->protections = [];
+ $db = $this->getDB();
+
+ // Get normal protections for existing titles
+ if ( count( $this->titles ) ) {
+ $this->resetQueryParams();
+ $this->addTables( 'page_restrictions' );
+ $this->addFields( [ 'pr_page', 'pr_type', 'pr_level',
+ 'pr_expiry', 'pr_cascade' ] );
+ $this->addWhereFld( 'pr_page', array_keys( $this->titles ) );
+
+ $res = $this->select( __METHOD__ );
+ foreach ( $res as $row ) {
+ /** @var Title $title */
+ $title = $this->titles[$row->pr_page];
+ $a = [
+ 'type' => $row->pr_type,
+ 'level' => $row->pr_level,
+ 'expiry' => ApiResult::formatExpiry( $row->pr_expiry )
+ ];
+ if ( $row->pr_cascade ) {
+ $a['cascade'] = true;
+ }
+ $this->protections[$title->getNamespace()][$title->getDBkey()][] = $a;
+ }
+ // Also check old restrictions
+ foreach ( $this->titles as $pageId => $title ) {
+ if ( $this->pageRestrictions[$pageId] ) {
+ $namespace = $title->getNamespace();
+ $dbKey = $title->getDBkey();
+ $restrictions = explode( ':', trim( $this->pageRestrictions[$pageId] ) );
+ foreach ( $restrictions as $restrict ) {
+ $temp = explode( '=', trim( $restrict ) );
+ if ( count( $temp ) == 1 ) {
+ // old old format should be treated as edit/move restriction
+ $restriction = trim( $temp[0] );
+
+ if ( $restriction == '' ) {
+ continue;
+ }
+ $this->protections[$namespace][$dbKey][] = [
+ 'type' => 'edit',
+ 'level' => $restriction,
+ 'expiry' => 'infinity',
+ ];
+ $this->protections[$namespace][$dbKey][] = [
+ 'type' => 'move',
+ 'level' => $restriction,
+ 'expiry' => 'infinity',
+ ];
+ } else {
+ $restriction = trim( $temp[1] );
+ if ( $restriction == '' ) {
+ continue;
+ }
+ $this->protections[$namespace][$dbKey][] = [
+ 'type' => $temp[0],
+ 'level' => $restriction,
+ 'expiry' => 'infinity',
+ ];
+ }
+ }
+ }
+ }
+ }
+
+ // Get protections for missing titles
+ if ( count( $this->missing ) ) {
+ $this->resetQueryParams();
+ $lb = new LinkBatch( $this->missing );
+ $this->addTables( 'protected_titles' );
+ $this->addFields( [ 'pt_title', 'pt_namespace', 'pt_create_perm', 'pt_expiry' ] );
+ $this->addWhere( $lb->constructSet( 'pt', $db ) );
+ $res = $this->select( __METHOD__ );
+ foreach ( $res as $row ) {
+ $this->protections[$row->pt_namespace][$row->pt_title][] = [
+ 'type' => 'create',
+ 'level' => $row->pt_create_perm,
+ 'expiry' => ApiResult::formatExpiry( $row->pt_expiry )
+ ];
+ }
+ }
+
+ // Separate good and missing titles into files and other pages
+ // and populate $this->restrictionTypes
+ $images = $others = [];
+ foreach ( $this->everything as $title ) {
+ if ( $title->getNamespace() == NS_FILE ) {
+ $images[] = $title->getDBkey();
+ } else {
+ $others[] = $title;
+ }
+ // Applicable protection types
+ $this->restrictionTypes[$title->getNamespace()][$title->getDBkey()] =
+ array_values( $title->getRestrictionTypes() );
+ }
+
+ if ( count( $others ) ) {
+ // Non-images: check templatelinks
+ $lb = new LinkBatch( $others );
+ $this->resetQueryParams();
+ $this->addTables( [ 'page_restrictions', 'page', 'templatelinks' ] );
+ $this->addFields( [ 'pr_type', 'pr_level', 'pr_expiry',
+ 'page_title', 'page_namespace',
+ 'tl_title', 'tl_namespace' ] );
+ $this->addWhere( $lb->constructSet( 'tl', $db ) );
+ $this->addWhere( 'pr_page = page_id' );
+ $this->addWhere( 'pr_page = tl_from' );
+ $this->addWhereFld( 'pr_cascade', 1 );
+
+ $res = $this->select( __METHOD__ );
+ foreach ( $res as $row ) {
+ $source = Title::makeTitle( $row->page_namespace, $row->page_title );
+ $this->protections[$row->tl_namespace][$row->tl_title][] = [
+ 'type' => $row->pr_type,
+ 'level' => $row->pr_level,
+ 'expiry' => ApiResult::formatExpiry( $row->pr_expiry ),
+ 'source' => $source->getPrefixedText()
+ ];
+ }
+ }
+
+ if ( count( $images ) ) {
+ // Images: check imagelinks
+ $this->resetQueryParams();
+ $this->addTables( [ 'page_restrictions', 'page', 'imagelinks' ] );
+ $this->addFields( [ 'pr_type', 'pr_level', 'pr_expiry',
+ 'page_title', 'page_namespace', 'il_to' ] );
+ $this->addWhere( 'pr_page = page_id' );
+ $this->addWhere( 'pr_page = il_from' );
+ $this->addWhereFld( 'pr_cascade', 1 );
+ $this->addWhereFld( 'il_to', $images );
+
+ $res = $this->select( __METHOD__ );
+ foreach ( $res as $row ) {
+ $source = Title::makeTitle( $row->page_namespace, $row->page_title );
+ $this->protections[NS_FILE][$row->il_to][] = [
+ 'type' => $row->pr_type,
+ 'level' => $row->pr_level,
+ 'expiry' => ApiResult::formatExpiry( $row->pr_expiry ),
+ 'source' => $source->getPrefixedText()
+ ];
+ }
+ }
+ }
+
+ /**
+ * Get talk page IDs (if requested) and subject page IDs (if requested)
+ * and put them in $talkids and $subjectids
+ */
+ private function getTSIDs() {
+ $getTitles = $this->talkids = $this->subjectids = [];
+
+ /** @var Title $t */
+ foreach ( $this->everything as $t ) {
+ if ( MWNamespace::isTalk( $t->getNamespace() ) ) {
+ if ( $this->fld_subjectid ) {
+ $getTitles[] = $t->getSubjectPage();
+ }
+ } elseif ( $this->fld_talkid ) {
+ $getTitles[] = $t->getTalkPage();
+ }
+ }
+ if ( !count( $getTitles ) ) {
+ return;
+ }
+
+ $db = $this->getDB();
+
+ // Construct a custom WHERE clause that matches
+ // all titles in $getTitles
+ $lb = new LinkBatch( $getTitles );
+ $this->resetQueryParams();
+ $this->addTables( 'page' );
+ $this->addFields( [ 'page_title', 'page_namespace', 'page_id' ] );
+ $this->addWhere( $lb->constructSet( 'page', $db ) );
+ $res = $this->select( __METHOD__ );
+ foreach ( $res as $row ) {
+ if ( MWNamespace::isTalk( $row->page_namespace ) ) {
+ $this->talkids[MWNamespace::getSubject( $row->page_namespace )][$row->page_title] =
+ intval( $row->page_id );
+ } else {
+ $this->subjectids[MWNamespace::getTalk( $row->page_namespace )][$row->page_title] =
+ intval( $row->page_id );
+ }
+ }
+ }
+
+ private function getDisplayTitle() {
+ $this->displaytitles = [];
+
+ $pageIds = array_keys( $this->titles );
+
+ if ( !count( $pageIds ) ) {
+ return;
+ }
+
+ $this->resetQueryParams();
+ $this->addTables( 'page_props' );
+ $this->addFields( [ 'pp_page', 'pp_value' ] );
+ $this->addWhereFld( 'pp_page', $pageIds );
+ $this->addWhereFld( 'pp_propname', 'displaytitle' );
+ $res = $this->select( __METHOD__ );
+
+ foreach ( $res as $row ) {
+ $this->displaytitles[$row->pp_page] = $row->pp_value;
+ }
+ }
+
+ private function getVariantTitles() {
+ if ( !count( $this->titles ) ) {
+ return;
+ }
+ $this->variantTitles = [];
+ foreach ( $this->titles as $pageId => $t ) {
+ $this->variantTitles[$pageId] = isset( $this->displaytitles[$pageId] )
+ ? $this->getAllVariants( $this->displaytitles[$pageId] )
+ : $this->getAllVariants( $t->getText(), $t->getNamespace() );
+ }
+ }
+
+ private function getAllVariants( $text, $ns = NS_MAIN ) {
+ global $wgContLang;
+ $result = [];
+ foreach ( $wgContLang->getVariants() as $variant ) {
+ $convertTitle = $wgContLang->autoConvert( $text, $variant );
+ if ( $ns !== NS_MAIN ) {
+ $convertNs = $wgContLang->convertNamespace( $ns, $variant );
+ $convertTitle = $convertNs . ':' . $convertTitle;
+ }
+ $result[$variant] = $convertTitle;
+ }
+ return $result;
+ }
+
+ /**
+ * Get information about watched status and put it in $this->watched
+ * and $this->notificationtimestamps
+ */
+ private function getWatchedInfo() {
+ $user = $this->getUser();
+
+ if ( $user->isAnon() || count( $this->everything ) == 0
+ || !$user->isAllowed( 'viewmywatchlist' )
+ ) {
+ return;
+ }
+
+ $this->watched = [];
+ $this->notificationtimestamps = [];
+
+ $store = MediaWikiServices::getInstance()->getWatchedItemStore();
+ $timestamps = $store->getNotificationTimestampsBatch( $user, $this->everything );
+
+ if ( $this->fld_watched ) {
+ foreach ( $timestamps as $namespaceId => $dbKeys ) {
+ $this->watched[$namespaceId] = array_map(
+ function ( $x ) {
+ return $x !== false;
+ },
+ $dbKeys
+ );
+ }
+ }
+ if ( $this->fld_notificationtimestamp ) {
+ $this->notificationtimestamps = $timestamps;
+ }
+ }
+
+ /**
+ * Get the count of watchers and put it in $this->watchers
+ */
+ private function getWatcherInfo() {
+ if ( count( $this->everything ) == 0 ) {
+ return;
+ }
+
+ $user = $this->getUser();
+ $canUnwatchedpages = $user->isAllowed( 'unwatchedpages' );
+ $unwatchedPageThreshold = $this->getConfig()->get( 'UnwatchedPageThreshold' );
+ if ( !$canUnwatchedpages && !is_int( $unwatchedPageThreshold ) ) {
+ return;
+ }
+
+ $this->showZeroWatchers = $canUnwatchedpages;
+
+ $countOptions = [];
+ if ( !$canUnwatchedpages ) {
+ $countOptions['minimumWatchers'] = $unwatchedPageThreshold;
+ }
+
+ $this->watchers = MediaWikiServices::getInstance()->getWatchedItemStore()->countWatchersMultiple(
+ $this->everything,
+ $countOptions
+ );
+ }
+
+ /**
+ * Get the count of watchers who have visited recent edits and put it in
+ * $this->visitingwatchers
+ *
+ * Based on InfoAction::pageCounts
+ */
+ private function getVisitingWatcherInfo() {
+ $config = $this->getConfig();
+ $user = $this->getUser();
+ $db = $this->getDB();
+
+ $canUnwatchedpages = $user->isAllowed( 'unwatchedpages' );
+ $unwatchedPageThreshold = $this->getConfig()->get( 'UnwatchedPageThreshold' );
+ if ( !$canUnwatchedpages && !is_int( $unwatchedPageThreshold ) ) {
+ return;
+ }
+
+ $this->showZeroWatchers = $canUnwatchedpages;
+
+ $titlesWithThresholds = [];
+ if ( $this->titles ) {
+ $lb = new LinkBatch( $this->titles );
+
+ // Fetch last edit timestamps for pages
+ $this->resetQueryParams();
+ $this->addTables( [ 'page', 'revision' ] );
+ $this->addFields( [ 'page_namespace', 'page_title', 'rev_timestamp' ] );
+ $this->addWhere( [
+ 'page_latest = rev_id',
+ $lb->constructSet( 'page', $db ),
+ ] );
+ $this->addOption( 'GROUP BY', [ 'page_namespace', 'page_title' ] );
+ $timestampRes = $this->select( __METHOD__ );
+
+ $age = $config->get( 'WatchersMaxAge' );
+ $timestamps = [];
+ foreach ( $timestampRes as $row ) {
+ $revTimestamp = wfTimestamp( TS_UNIX, (int)$row->rev_timestamp );
+ $timestamps[$row->page_namespace][$row->page_title] = $revTimestamp - $age;
+ }
+ $titlesWithThresholds = array_map(
+ function ( LinkTarget $target ) use ( $timestamps ) {
+ return [
+ $target, $timestamps[$target->getNamespace()][$target->getDBkey()]
+ ];
+ },
+ $this->titles
+ );
+ }
+
+ if ( $this->missing ) {
+ $titlesWithThresholds = array_merge(
+ $titlesWithThresholds,
+ array_map(
+ function ( LinkTarget $target ) {
+ return [ $target, null ];
+ },
+ $this->missing
+ )
+ );
+ }
+ $store = MediaWikiServices::getInstance()->getWatchedItemStore();
+ $this->visitingwatchers = $store->countVisitingWatchersMultiple(
+ $titlesWithThresholds,
+ !$canUnwatchedpages ? $unwatchedPageThreshold : null
+ );
+ }
+
+ public function getCacheMode( $params ) {
+ // Other props depend on something about the current user
+ $publicProps = [
+ 'protection',
+ 'talkid',
+ 'subjectid',
+ 'url',
+ 'preload',
+ 'displaytitle',
+ 'varianttitles',
+ ];
+ if ( array_diff( (array)$params['prop'], $publicProps ) ) {
+ return 'private';
+ }
+
+ // testactions also depends on the current user
+ if ( $params['testactions'] ) {
+ return 'private';
+ }
+
+ if ( !is_null( $params['token'] ) ) {
+ return 'private';
+ }
+
+ return 'public';
+ }
+
+ public function getAllowedParams() {
+ return [
+ 'prop' => [
+ ApiBase::PARAM_ISMULTI => true,
+ ApiBase::PARAM_TYPE => [
+ 'protection',
+ 'talkid',
+ 'watched', # private
+ 'watchers', # private
+ 'visitingwatchers', # private
+ 'notificationtimestamp', # private
+ 'subjectid',
+ 'url',
+ 'readable', # private
+ 'preload',
+ 'displaytitle',
+ 'varianttitles',
+ // If you add more properties here, please consider whether they
+ // need to be added to getCacheMode()
+ ],
+ ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
+ ],
+ 'testactions' => [
+ ApiBase::PARAM_TYPE => 'string',
+ ApiBase::PARAM_ISMULTI => true,
+ ],
+ 'token' => [
+ ApiBase::PARAM_DEPRECATED => true,
+ ApiBase::PARAM_ISMULTI => true,
+ ApiBase::PARAM_TYPE => array_keys( $this->getTokenFunctions() )
+ ],
+ 'continue' => [
+ ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
+ ],
+ ];
+ }
+
+ protected function getExamplesMessages() {
+ return [
+ 'action=query&prop=info&titles=Main%20Page'
+ => 'apihelp-query+info-example-simple',
+ 'action=query&prop=info&inprop=protection&titles=Main%20Page'
+ => 'apihelp-query+info-example-protection',
+ ];
+ }
+
+ public function getHelpUrls() {
+ return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Info';
+ }
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-05 06:47:10 +0000