PermissionsError.php

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<?php
namespace MediaWiki\Exception;
 
use MediaWiki\Context\RequestContext;
use MediaWiki\Debug\DeprecationHelper;
use MediaWiki\MediaWikiServices;
use MediaWiki\Permissions\PermissionStatus;
 
class PermissionsError extends ErrorPageError {
 
    use DeprecationHelper;
 
    private ?string $permission;
    private PermissionStatus $status;
 
    public function __construct( ?string $permission, $status = [] ) {
        $this->deprecatePublicProperty( 'permission', '1.43' );
 
        if ( is_array( $status ) ) {
            $errors = $status;
            $status = PermissionStatus::newEmpty();
            foreach ( $errors as $error ) {
                if ( is_array( $error ) ) {
                    // @phan-suppress-next-line PhanParamTooFewUnpack
                    $status->fatal( ...$error );
                } else {
                    $status->fatal( $error );
                }
            }
        } elseif ( !( $status instanceof PermissionStatus ) ) {
            throw new \InvalidArgumentException( __METHOD__ .
                ': $status must be PermissionStatus or array, got ' . get_debug_type( $status ) );
        }
 
        if ( $permission === null && $status->isGood() ) {
            throw new \InvalidArgumentException( __METHOD__ .
                ': $permission and $status cannot both be empty' );
        }
 
        $this->permission = $permission;
 
        if ( $status->isGood() ) {
            $status = MediaWikiServices::getInstance()
                ->getPermissionManager()
                // @phan-suppress-next-line PhanTypeMismatchArgumentNullable Null on permission is check when used here
                ->newFatalPermissionDeniedStatus( $this->permission, RequestContext::getMain() );
        }
 
        $this->status = $status;
 
        // Give the parent class something to work with
        parent::__construct( 'permissionserrors', $status->getMessages()[0] );
    }
 
    public function report( $action = self::SEND_OUTPUT ) {
        global $wgOut;
 
        $wgOut->showPermissionStatus( $this->status, $this->permission );
        if ( $action === self::SEND_OUTPUT ) {
            $wgOut->output();
        }
    }
}
 
class_alias( PermissionsError::class, 'PermissionsError' );