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ApiParamInfo.php
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ApiParamInfo.php
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<?php
/**
* Copyright © 2008 Roan Kattouw <roan.kattouw@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\Context\RequestContext;
use MediaWiki\Message\Message;
use MediaWiki\Parser\Parser;
use MediaWiki\SpecialPage\SpecialPage;
use MediaWiki\User\UserFactory;
use MediaWiki\Utils\ExtensionInfo;
use Wikimedia\ParamValidator\ParamValidator;
/**
* @ingroup API
*/
class ApiParamInfo extends ApiBase {
/** @var string */
private $helpFormat;
/** @var RequestContext */
private $context;
/** @var UserFactory */
private $userFactory;
public function __construct(
ApiMain $main,
string $action,
UserFactory $userFactory
) {
parent::__construct( $main, $action );
$this->userFactory = $userFactory;
}
public function execute() {
// Get parameters
$params = $this->extractRequestParams();
$this->helpFormat = $params['helpformat'];
$this->context = new RequestContext;
$this->context->setUser( $this->userFactory->newAnonymous() ); // anon to avoid caching issues
$this->context->setLanguage( $this->getMain()->getLanguage() );
if ( is_array( $params['modules'] ) ) {
$modules = [];
foreach ( $params['modules'] as $path ) {
if ( $path === '*' || $path === '**' ) {
$path = "main+$path";
}
if ( str_ends_with( $path, '+*' ) || str_ends_with( $path, ' *' ) ) {
$submodules = true;
$path = substr( $path, 0, -2 );
$recursive = false;
} elseif ( str_ends_with( $path, '+**' ) || str_ends_with( $path, ' **' ) ) {
$submodules = true;
$path = substr( $path, 0, -3 );
$recursive = true;
} else {
$submodules = false;
}
if ( $submodules ) {
try {
$module = $this->getModuleFromPath( $path );
} catch ( ApiUsageException $ex ) {
foreach ( $ex->getStatusValue()->getMessages() as $error ) {
$this->addWarning( $error );
}
continue;
}
// @phan-suppress-next-next-line PhanTypeMismatchArgumentNullable,PhanPossiblyUndeclaredVariable
// recursive is set when used
$submodules = $this->listAllSubmodules( $module, $recursive );
if ( $submodules ) {
$modules = array_merge( $modules, $submodules );
} else {
$this->addWarning( [ 'apierror-badmodule-nosubmodules', $path ], 'badmodule' );
}
} else {
$modules[] = $path;
}
}
} else {
$modules = [];
}
if ( is_array( $params['querymodules'] ) ) {
$queryModules = $params['querymodules'];
foreach ( $queryModules as $m ) {
$modules[] = 'query+' . $m;
}
} else {
$queryModules = [];
}
if ( is_array( $params['formatmodules'] ) ) {
$formatModules = $params['formatmodules'];
foreach ( $formatModules as $m ) {
$modules[] = $m;
}
} else {
$formatModules = [];
}
$modules = array_unique( $modules );
$res = [];
foreach ( $modules as $m ) {
try {
$module = $this->getModuleFromPath( $m );
} catch ( ApiUsageException $ex ) {
foreach ( $ex->getStatusValue()->getMessages() as $error ) {
$this->addWarning( $error );
}
continue;
}
$key = 'modules';
// Back compat
$isBCQuery = false;
if ( $module->getParent() && $module->getParent()->getModuleName() == 'query' &&
in_array( $module->getModuleName(), $queryModules )
) {
$isBCQuery = true;
$key = 'querymodules';
}
if ( in_array( $module->getModuleName(), $formatModules ) ) {
$key = 'formatmodules';
}
$item = $this->getModuleInfo( $module );
if ( $isBCQuery ) {
$item['querytype'] = $item['group'];
}
$res[$key][] = $item;
}
$result = $this->getResult();
$result->addValue( [ $this->getModuleName() ], 'helpformat', $this->helpFormat );
foreach ( $res as $key => $stuff ) {
ApiResult::setIndexedTagName( $res[$key], 'module' );
}
if ( $params['mainmodule'] ) {
$res['mainmodule'] = $this->getModuleInfo( $this->getMain() );
}
if ( $params['pagesetmodule'] ) {
$pageSet = new ApiPageSet( $this->getMain()->getModuleManager()->getModule( 'query' ) );
$res['pagesetmodule'] = $this->getModuleInfo( $pageSet );
unset( $res['pagesetmodule']['name'] );
unset( $res['pagesetmodule']['path'] );
unset( $res['pagesetmodule']['group'] );
}
$result->addValue( null, $this->getModuleName(), $res );
}
/**
* List all submodules of a module
* @param ApiBase $module
* @param bool $recursive
* @return string[]
*/
private function listAllSubmodules( ApiBase $module, $recursive ) {
$paths = [];
$manager = $module->getModuleManager();
if ( $manager ) {
$names = $manager->getNames();
sort( $names );
foreach ( $names as $name ) {
$submodule = $manager->getModule( $name );
$paths[] = $submodule->getModulePath();
if ( $recursive && $submodule->getModuleManager() ) {
$paths = array_merge( $paths, $this->listAllSubmodules( $submodule, $recursive ) );
}
}
}
return $paths;
}
/**
* @param array &$res Result array
* @param string $key Result key
* @param Message[] $msgs
* @param bool $joinLists
*/
protected function formatHelpMessages( array &$res, $key, array $msgs, $joinLists = false ) {
switch ( $this->helpFormat ) {
case 'none':
break;
case 'wikitext':
$ret = [];
foreach ( $msgs as $m ) {
$ret[] = $m->setContext( $this->context )->text();
}
$res[$key] = implode( "\n\n", $ret );
if ( $joinLists ) {
$res[$key] = preg_replace( '!^(([*#:;])[^\n]*)\n\n(?=\2)!m', "$1\n", $res[$key] );
}
break;
case 'html':
$ret = [];
foreach ( $msgs as $m ) {
$ret[] = $m->setContext( $this->context )->parseAsBlock();
}
$ret = implode( "\n", $ret );
if ( $joinLists ) {
$ret = preg_replace( '!\s*</([oud]l)>\s*<\1>\s*!', "\n", $ret );
}
$res[$key] = Parser::stripOuterParagraph( $ret );
break;
case 'raw':
$res[$key] = [];
foreach ( $msgs as $m ) {
$a = [
'key' => $m->getKey(),
'params' => $m->getParams(),
];
ApiResult::setIndexedTagName( $a['params'], 'param' );
if ( $m instanceof ApiHelpParamValueMessage ) {
$a['forvalue'] = $m->getParamValue();
}
$res[$key][] = $a;
}
ApiResult::setIndexedTagName( $res[$key], 'msg' );
break;
}
}
/**
* @param ApiBase $module
* @return array
*/
private function getModuleInfo( $module ) {
$ret = [];
$path = $module->getModulePath();
$paramValidator = $module->getMain()->getParamValidator();
$ret['name'] = $module->getModuleName();
$ret['classname'] = get_class( $module );
$ret['path'] = $path;
if ( !$module->isMain() ) {
$ret['group'] = $module->getParent()->getModuleManager()->getModuleGroup(
$module->getModuleName()
);
}
$ret['prefix'] = $module->getModulePrefix();
$sourceInfo = $module->getModuleSourceInfo();
if ( $sourceInfo ) {
$ret['source'] = $sourceInfo['name'];
if ( isset( $sourceInfo['namemsg'] ) ) {
$ret['sourcename'] = $this->context->msg( $sourceInfo['namemsg'] )->text();
} else {
$ret['sourcename'] = $ret['source'];
}
$link = SpecialPage::getTitleFor( 'Version', 'License/' . $sourceInfo['name'] )->getFullURL();
if ( isset( $sourceInfo['license-name'] ) ) {
$ret['licensetag'] = $sourceInfo['license-name'];
$ret['licenselink'] = (string)$link;
} elseif ( ExtensionInfo::getLicenseFileNames( dirname( $sourceInfo['path'] ) ) ) {
$ret['licenselink'] = (string)$link;
}
}
$this->formatHelpMessages( $ret, 'description', $module->getFinalDescription() );
foreach ( $module->getHelpFlags() as $flag ) {
$ret[$flag] = true;
}
$ret['helpurls'] = (array)$module->getHelpUrls();
if ( isset( $ret['helpurls'][0] ) && $ret['helpurls'][0] === false ) {
$ret['helpurls'] = [];
}
// @phan-suppress-next-line PhanTypePossiblyInvalidDimOffset False positive
ApiResult::setIndexedTagName( $ret['helpurls'], 'helpurl' );
if ( $this->helpFormat !== 'none' ) {
$ret['examples'] = [];
$examples = $module->getExamplesMessages();
foreach ( $examples as $qs => $msg ) {
$item = [
'query' => $qs
];
$msg = $this->msg(
Message::newFromSpecifier( $msg ),
$module->getModulePrefix(),
$module->getModuleName(),
$module->getModulePath()
);
$this->formatHelpMessages( $item, 'description', [ $msg ] );
if ( isset( $item['description'] ) ) {
if ( is_array( $item['description'] ) ) {
$item['description'] = $item['description'][0];
} else {
ApiResult::setSubelementsList( $item, 'description' );
}
}
$ret['examples'][] = $item;
}
ApiResult::setIndexedTagName( $ret['examples'], 'example' );
}
$ret['parameters'] = [];
$ret['templatedparameters'] = [];
$params = $module->getFinalParams( ApiBase::GET_VALUES_FOR_HELP );
$paramDesc = $module->getFinalParamDescription();
$index = 0;
foreach ( $params as $name => $settings ) {
$settings = $paramValidator->normalizeSettings( $settings );
$item = [
'index' => ++$index,
'name' => $name,
];
if ( !empty( $settings[ApiBase::PARAM_TEMPLATE_VARS] ) ) {
$item['templatevars'] = $settings[ApiBase::PARAM_TEMPLATE_VARS];
ApiResult::setIndexedTagName( $item['templatevars'], 'var' );
}
if ( isset( $paramDesc[$name] ) ) {
$this->formatHelpMessages( $item, 'description', $paramDesc[$name], true );
}
foreach ( $paramValidator->getParamInfo( $module, $name, $settings, [] ) as $k => $v ) {
$item[$k] = $v;
}
if ( $name === 'token' && $module->needsToken() ) {
$item['tokentype'] = $module->needsToken();
}
if ( $item['type'] === 'NULL' ) {
// Munge "NULL" to "string" for historical reasons
$item['type'] = 'string';
} elseif ( is_array( $item['type'] ) ) {
// Set indexed tag name, for historical reasons
ApiResult::setIndexedTagName( $item['type'], 't' );
}
if ( !empty( $settings[ApiBase::PARAM_HELP_MSG_INFO] ) ) {
$item['info'] = [];
foreach ( $settings[ApiBase::PARAM_HELP_MSG_INFO] as $i ) {
$tag = array_shift( $i );
$info = [
'name' => $tag,
];
if ( count( $i ) ) {
$info['values'] = $i;
ApiResult::setIndexedTagName( $info['values'], 'v' );
}
$this->formatHelpMessages( $info, 'text', [
$this->context->msg( "apihelp-{$path}-paraminfo-{$tag}" )
->numParams( count( $i ) )
->params( $this->context->getLanguage()->commaList( $i ) )
->params( $module->getModulePrefix() )
] );
ApiResult::setSubelementsList( $info, 'text' );
$item['info'][] = $info;
}
ApiResult::setIndexedTagName( $item['info'], 'i' );
}
$key = empty( $settings[ApiBase::PARAM_TEMPLATE_VARS] ) ? 'parameters' : 'templatedparameters';
$ret[$key][] = $item;
}
ApiResult::setIndexedTagName( $ret['parameters'], 'param' );
ApiResult::setIndexedTagName( $ret['templatedparameters'], 'param' );
$dynamicParams = $module->dynamicParameterDocumentation();
if ( $dynamicParams !== null ) {
if ( $this->helpFormat === 'none' ) {
$ret['dynamicparameters'] = true;
} else {
$dynamicParams = $this->msg(
Message::newFromSpecifier( $dynamicParams ),
$module->getModulePrefix(),
$module->getModuleName(),
$module->getModulePath()
);
$this->formatHelpMessages( $ret, 'dynamicparameters', [ $dynamicParams ] );
}
}
return $ret;
}
public function isReadMode() {
return false;
}
public function getAllowedParams() {
// back compat
$querymodules = $this->getMain()->getModuleManager()
->getModule( 'query' )->getModuleManager()->getNames();
sort( $querymodules );
$formatmodules = $this->getMain()->getModuleManager()->getNames( 'format' );
sort( $formatmodules );
return [
'modules' => [
ParamValidator::PARAM_ISMULTI => true,
],
'helpformat' => [
ParamValidator::PARAM_DEFAULT => 'none',
ParamValidator::PARAM_TYPE => [ 'html', 'wikitext', 'raw', 'none' ],
],
'querymodules' => [
ParamValidator::PARAM_DEPRECATED => true,
ParamValidator::PARAM_ISMULTI => true,
ParamValidator::PARAM_TYPE => $querymodules,
],
'mainmodule' => [
ParamValidator::PARAM_DEPRECATED => true,
],
'pagesetmodule' => [
ParamValidator::PARAM_DEPRECATED => true,
],
'formatmodules' => [
ParamValidator::PARAM_DEPRECATED => true,
ParamValidator::PARAM_ISMULTI => true,
ParamValidator::PARAM_TYPE => $formatmodules,
]
];
}
protected function getExamplesMessages() {
return [
'action=paraminfo&modules=parse|phpfm|query%2Ballpages|query%2Bsiteinfo'
=> 'apihelp-paraminfo-example-1',
'action=paraminfo&modules=query%2B*'
=> 'apihelp-paraminfo-example-2',
];
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Parameter_information';
}
}
/** @deprecated class alias since 1.43 */
class_alias( ApiParamInfo::class, 'ApiParamInfo' );

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