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ApiQueryAllPages.php
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ApiQueryAllPages.php
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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
*/
namespace MediaWiki\Api;
use MediaWiki\Cache\GenderCache;
use MediaWiki\MainConfigNames;
use MediaWiki\Permissions\RestrictionStore;
use MediaWiki\Title\NamespaceInfo;
use MediaWiki\Title\Title;
use Wikimedia\ParamValidator\ParamValidator;
use Wikimedia\ParamValidator\TypeDef\IntegerDef;
use Wikimedia\Rdbms\IExpression;
use Wikimedia\Rdbms\LikeValue;
/**
* Query module to enumerate all available pages.
*
* @ingroup API
*/
class ApiQueryAllPages extends ApiQueryGeneratorBase {
private NamespaceInfo $namespaceInfo;
private GenderCache $genderCache;
private RestrictionStore $restrictionStore;
public function __construct(
ApiQuery $query,
string $moduleName,
NamespaceInfo $namespaceInfo,
GenderCache $genderCache,
RestrictionStore $restrictionStore
) {
parent::__construct( $query, $moduleName, 'ap' );
$this->namespaceInfo = $namespaceInfo;
$this->genderCache = $genderCache;
$this->restrictionStore = $restrictionStore;
}
public function execute() {
$this->run();
}
public function getCacheMode( $params ) {
return 'public';
}
/**
* @param ApiPageSet $resultPageSet
* @return void
*/
public function executeGenerator( $resultPageSet ) {
if ( $resultPageSet->isResolvingRedirects() ) {
$this->dieWithError( 'apierror-allpages-generator-redirects', 'params' );
}
$this->run( $resultPageSet );
}
/**
* @param ApiPageSet|null $resultPageSet
* @return void
*/
private function run( $resultPageSet = null ) {
$db = $this->getDB();
$params = $this->extractRequestParams();
// Page filters
$this->addTables( 'page' );
if ( $params['continue'] !== null ) {
$cont = $this->parseContinueParamOrDie( $params['continue'], [ 'string' ] );
$op = $params['dir'] == 'descending' ? '<=' : '>=';
$this->addWhere( $db->expr( 'page_title', $op, $cont[0] ) );
}
$miserMode = $this->getConfig()->get( MainConfigNames::MiserMode );
if ( !$miserMode ) {
if ( $params['filterredir'] == 'redirects' ) {
$this->addWhereFld( 'page_is_redirect', 1 );
} elseif ( $params['filterredir'] == 'nonredirects' ) {
$this->addWhereFld( 'page_is_redirect', 0 );
}
}
$this->addWhereFld( 'page_namespace', $params['namespace'] );
$dir = ( $params['dir'] == 'descending' ? 'older' : 'newer' );
$from = ( $params['from'] === null
? null
: $this->titlePartToKey( $params['from'], $params['namespace'] ) );
$to = ( $params['to'] === null
? null
: $this->titlePartToKey( $params['to'], $params['namespace'] ) );
$this->addWhereRange( 'page_title', $dir, $from, $to );
if ( isset( $params['prefix'] ) ) {
$this->addWhere(
$db->expr(
'page_title',
IExpression::LIKE,
new LikeValue( $this->titlePartToKey( $params['prefix'], $params['namespace'] ), $db->anyString() )
)
);
}
if ( $resultPageSet === null ) {
$selectFields = [
'page_namespace',
'page_title',
'page_id'
];
} else {
$selectFields = $resultPageSet->getPageTableFields();
}
$miserModeFilterRedirValue = null;
$miserModeFilterRedir = $miserMode && $params['filterredir'] !== 'all';
if ( $miserModeFilterRedir ) {
$selectFields[] = 'page_is_redirect';
if ( $params['filterredir'] == 'redirects' ) {
$miserModeFilterRedirValue = 1;
} elseif ( $params['filterredir'] == 'nonredirects' ) {
$miserModeFilterRedirValue = 0;
}
}
$this->addFields( $selectFields );
$forceNameTitleIndex = true;
if ( isset( $params['minsize'] ) ) {
$this->addWhere( 'page_len>=' . (int)$params['minsize'] );
$forceNameTitleIndex = false;
}
if ( isset( $params['maxsize'] ) ) {
$this->addWhere( 'page_len<=' . (int)$params['maxsize'] );
$forceNameTitleIndex = false;
}
// Page protection filtering
if ( $params['prtype'] || $params['prexpiry'] != 'all' ) {
$this->addTables( 'page_restrictions' );
$this->addWhere( 'page_id=pr_page' );
$this->addWhere(
$db->expr( 'pr_expiry', '>', $db->timestamp() )->or( 'pr_expiry', '=', null )
);
if ( $params['prtype'] ) {
$this->addWhereFld( 'pr_type', $params['prtype'] );
if ( isset( $params['prlevel'] ) ) {
// Remove the empty string and '*' from the prlevel array
$prlevel = array_diff( $params['prlevel'], [ '', '*' ] );
if ( count( $prlevel ) ) {
$this->addWhereFld( 'pr_level', $prlevel );
}
}
if ( $params['prfiltercascade'] == 'cascading' ) {
$this->addWhereFld( 'pr_cascade', 1 );
} elseif ( $params['prfiltercascade'] == 'noncascading' ) {
$this->addWhereFld( 'pr_cascade', 0 );
}
}
$forceNameTitleIndex = false;
if ( $params['prexpiry'] == 'indefinite' ) {
$this->addWhereFld( 'pr_expiry', [ $db->getInfinity(), null ] );
} elseif ( $params['prexpiry'] == 'definite' ) {
$this->addWhere( $db->expr( 'pr_expiry', '!=', $db->getInfinity() ) );
}
$this->addOption( 'DISTINCT' );
} elseif ( isset( $params['prlevel'] ) ) {
$this->dieWithError(
[ 'apierror-invalidparammix-mustusewith', 'prlevel', 'prtype' ], 'invalidparammix'
);
}
if ( $params['filterlanglinks'] == 'withoutlanglinks' ) {
$this->addTables( 'langlinks' );
$this->addJoinConds( [ 'langlinks' => [ 'LEFT JOIN', 'page_id=ll_from' ] ] );
$this->addWhere( [ 'll_from' => null ] );
$forceNameTitleIndex = false;
} elseif ( $params['filterlanglinks'] == 'withlanglinks' ) {
$this->addTables( 'langlinks' );
$this->addWhere( 'page_id=ll_from' );
$this->addOption( 'STRAIGHT_JOIN' );
// MySQL filesorts if we use a GROUP BY that works with the rules
// in the 1992 SQL standard (it doesn't like having the
// constant-in-WHERE page_namespace column in there). Using the
// 1999 rules works fine, but that breaks other DBs. Sigh.
// @todo Once we drop support for 1992-rule DBs, we can simplify this.
$dbType = $db->getType();
if ( $dbType === 'mysql' || $dbType === 'sqlite' ) {
// Ignore the rules, or 1999 rules if you count unique keys
// over non-NULL columns as satisfying the requirement for
// "functional dependency" and don't require including
// constant-in-WHERE columns in the GROUP BY.
$this->addOption( 'GROUP BY', [ 'page_title' ] );
} elseif ( $dbType === 'postgres' && $db->getServerVersion() >= 9.1 ) {
// 1999 rules only counting primary keys
$this->addOption( 'GROUP BY', [ 'page_title', 'page_id' ] );
} else {
// 1992 rules
$this->addOption( 'GROUP BY', $selectFields );
}
$forceNameTitleIndex = false;
}
if ( $forceNameTitleIndex ) {
$this->addOption( 'USE INDEX', 'page_name_title' );
}
$limit = $params['limit'];
$this->addOption( 'LIMIT', $limit + 1 );
$res = $this->select( __METHOD__ );
// Get gender information
if ( $this->namespaceInfo->hasGenderDistinction( $params['namespace'] ) ) {
$users = [];
foreach ( $res as $row ) {
$users[] = $row->page_title;
}
$this->genderCache->doQuery( $users, __METHOD__ );
$res->rewind(); // reset
}
$count = 0;
$result = $this->getResult();
foreach ( $res as $row ) {
if ( ++$count > $limit ) {
// We've reached the one extra which shows that there are
// additional pages to be had. Stop here...
$this->setContinueEnumParameter( 'continue', $row->page_title );
break;
}
if ( $miserModeFilterRedir && (int)$row->page_is_redirect !== $miserModeFilterRedirValue ) {
// Filter implemented in PHP due to being in Miser Mode
continue;
}
if ( $resultPageSet === null ) {
$title = Title::makeTitle( $row->page_namespace, $row->page_title );
$vals = [
'pageid' => (int)$row->page_id,
'ns' => $title->getNamespace(),
'title' => $title->getPrefixedText()
];
$fit = $result->addValue( [ 'query', $this->getModuleName() ], null, $vals );
if ( !$fit ) {
$this->setContinueEnumParameter( 'continue', $row->page_title );
break;
}
} else {
$resultPageSet->processDbRow( $row );
}
}
if ( $resultPageSet === null ) {
$result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'p' );
}
}
public function getAllowedParams() {
$ret = [
'from' => null,
'continue' => [
ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
],
'to' => null,
'prefix' => null,
'namespace' => [
ParamValidator::PARAM_DEFAULT => NS_MAIN,
ParamValidator::PARAM_TYPE => 'namespace',
],
'filterredir' => [
ParamValidator::PARAM_DEFAULT => 'all',
ParamValidator::PARAM_TYPE => [
'all',
'redirects',
'nonredirects'
]
],
'filterlanglinks' => [
ParamValidator::PARAM_TYPE => [
'withlanglinks',
'withoutlanglinks',
'all'
],
ParamValidator::PARAM_DEFAULT => 'all'
],
'minsize' => [
ParamValidator::PARAM_TYPE => 'integer',
],
'maxsize' => [
ParamValidator::PARAM_TYPE => 'integer',
],
'prtype' => [
ParamValidator::PARAM_TYPE => $this->restrictionStore->listAllRestrictionTypes( true ),
ParamValidator::PARAM_ISMULTI => true
],
'prlevel' => [
ParamValidator::PARAM_TYPE =>
$this->getConfig()->get( MainConfigNames::RestrictionLevels ),
ParamValidator::PARAM_ISMULTI => true
],
'prfiltercascade' => [
ParamValidator::PARAM_DEFAULT => 'all',
ParamValidator::PARAM_TYPE => [
'cascading',
'noncascading',
'all'
],
],
'prexpiry' => [
ParamValidator::PARAM_TYPE => [
'indefinite',
'definite',
'all'
],
ParamValidator::PARAM_DEFAULT => 'all',
ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
],
'limit' => [
ParamValidator::PARAM_DEFAULT => 10,
ParamValidator::PARAM_TYPE => 'limit',
IntegerDef::PARAM_MIN => 1,
IntegerDef::PARAM_MAX => ApiBase::LIMIT_BIG1,
IntegerDef::PARAM_MAX2 => ApiBase::LIMIT_BIG2
],
'dir' => [
ParamValidator::PARAM_DEFAULT => 'ascending',
ParamValidator::PARAM_TYPE => [
'ascending',
'descending'
]
],
];
if ( $this->getConfig()->get( MainConfigNames::MiserMode ) ) {
$ret['filterredir'][ApiBase::PARAM_HELP_MSG_APPEND] = [ 'api-help-param-limited-in-miser-mode' ];
}
return $ret;
}
protected function getExamplesMessages() {
return [
'action=query&list=allpages&apfrom=B'
=> 'apihelp-query+allpages-example-b',
'action=query&generator=allpages&gaplimit=4&gapfrom=T&prop=info'
=> 'apihelp-query+allpages-example-generator',
'action=query&generator=allpages&gaplimit=2&' .
'gapfilterredir=nonredirects&gapfrom=Re&prop=revisions&rvprop=content'
=> 'apihelp-query+allpages-example-generator-revisions',
];
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Allpages';
}
}
/** @deprecated class alias since 1.43 */
class_alias( ApiQueryAllPages::class, 'ApiQueryAllPages' );

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text/x-php
Expires
Aug 15 2026, 07:46 (13 w, 15 h ago)
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cf/c4/ac94cd54d263ece6498ca07bcb63
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ApiQueryAllPages.php (11 KB)

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