ApiLinkAccount.php

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<?php
namespace MediaWiki\Api;
 
use MediaWiki\Auth\AuthenticationResponse;
use MediaWiki\Auth\AuthManager;
use MediaWiki\Utils\UrlUtils;
 
class ApiLinkAccount extends ApiBase {
 
    public function __construct(
        ApiMain $main,
        string $action,
        private readonly AuthManager $authManager,
        private readonly UrlUtils $urlUtils,
    ) {
        parent::__construct( $main, $action, 'link' );
    }
 
    public function getFinalDescription() {
        // A bit of a hack to append 'api-help-authmanager-general-usage'
        $msgs = parent::getFinalDescription();
        $msgs[] = $this->msg( 'api-help-authmanager-general-usage',
            $this->getModulePrefix(),
            $this->getModuleName(),
            $this->getModulePath(),
            AuthManager::ACTION_LINK,
            $this->needsToken(),
        );
        return $msgs;
    }
 
    public function execute() {
        if ( !$this->getUser()->isNamed() ) {
            $this->dieWithError( 'apierror-mustbeloggedin-linkaccounts', 'notloggedin' );
        }
 
        $this->checkUserRightsAny( 'editmyprivateinfo' );
 
        $params = $this->extractRequestParams();
 
        $this->requireAtLeastOneParameter( $params, 'continue', 'returnurl' );
 
        if ( $params['returnurl'] !== null ) {
            $bits = $this->urlUtils->parse( $params['returnurl'] );
            if ( !$bits || $bits['scheme'] === '' ) {
                $encParamName = $this->encodeParamName( 'returnurl' );
                $this->dieWithError(
                    [ 'apierror-badurl', $encParamName, wfEscapeWikiText( $params['returnurl'] ) ],
                    "badurl_{$encParamName}"
                );
            }
        }
 
        $helper = new ApiAuthManagerHelper( $this, $this->authManager );
 
        // Check security-sensitive operation status
        $helper->securitySensitiveOperation( 'LinkAccounts' );
 
        // Make sure it's possible to link accounts
        if ( !$this->authManager->canLinkAccounts() ) {
            $this->getResult()->addValue( null, 'linkaccount', $helper->formatAuthenticationResponse(
                AuthenticationResponse::newFail( $this->msg( 'userlogin-cannot-' . AuthManager::ACTION_LINK ) )
            ) );
            return;
        }
 
        // Perform the link step
        if ( $params['continue'] ) {
            $reqs = $helper->loadAuthenticationRequests( AuthManager::ACTION_LINK_CONTINUE );
            $res = $this->authManager->continueAccountLink( $reqs );
        } else {
            $reqs = $helper->loadAuthenticationRequests( AuthManager::ACTION_LINK );
            $res = $this->authManager->beginAccountLink( $this->getUser(), $reqs, $params['returnurl'] );
        }
 
        $this->getResult()->addValue( null, 'linkaccount',
            $helper->formatAuthenticationResponse( $res ) );
    }
 
    public function isReadMode() {
        return false;
    }
 
    public function isWriteMode() {
        return true;
    }
 
    public function needsToken() {
        return 'csrf';
    }
 
    public function getAllowedParams() {
        return ApiAuthManagerHelper::getStandardParams( AuthManager::ACTION_LINK,
            'requests', 'messageformat', 'mergerequestfields', 'returnurl', 'continue'
        );
    }
 
    public function dynamicParameterDocumentation() {
        return [ 'api-help-authmanagerhelper-additional-params', AuthManager::ACTION_LINK ];
    }
 
    protected function getExamplesMessages() {
        return [
            'action=linkaccount&provider=Example&linkreturnurl=http://example.org/&linktoken=123ABC'
                => 'apihelp-linkaccount-example-link',
        ];
    }
 
    public function getHelpUrls() {
        return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Linkaccount';
    }
}
 
class_alias( ApiLinkAccount::class, 'ApiLinkAccount' );