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|
<?php
namespace MediaWiki\Rest\Handler\Helper;
use MediaWiki\Page\PageIdentity;
use MediaWiki\Permissions\Authority;
use MediaWiki\Permissions\PermissionStatus;
use MediaWiki\Rest\HttpException;
use Wikimedia\Message\MessageValue;
trait RestAuthorizeTrait {
use RestStatusTrait;
/**
* Authorize an action
*
* @see Authroity::authorizeWrite
* @throws HttpException
*/
private function authorizeActionOrThrow(
Authority $authority,
string $action
): void {
$status = PermissionStatus::newEmpty();
if ( !$authority->authorizeAction( $action, $status ) ) {
$this->handleStatus( $status );
}
}
/**
* Authorize a read operation
*
* @see Authroity::authorizeWrite
* @throws HttpException
*/
private function authorizeReadOrThrow(
Authority $authority,
string $action,
PageIdentity $target
): void {
$status = PermissionStatus::newEmpty();
if ( !$authority->authorizeRead( $action, $target, $status ) ) {
$this->handleStatus( $status );
}
}
/**
* Authorize a write operation
*
* @see Authroity::authorizeWrite
* @throws HttpException
*/
private function authorizeWriteOrThrow(
Authority $authority,
string $action,
PageIdentity $target
): void {
$status = PermissionStatus::newEmpty();
if ( !$authority->authorizeWrite( $action, $target, $status ) ) {
$this->handleStatus( $status );
}
}
/**
* Throw an exception if the status contains an error.
*
* @throws HttpException
* @return never
*/
private function handleStatus( PermissionStatus $status ): void {
// The permission name should always be set, but don't explode if it isn't.
$permission = $status->getPermission() ?: '(unknown)';
if ( $status->isRateLimitExceeded() ) {
$this->throwExceptionForStatus(
$status,
MessageValue::new( 'rest-rate-limit-exceeded', [ $permission ] ),
429 // See https://www.rfc-editor.org/rfc/rfc6585#section-4
);
}
$this->throwExceptionForStatus(
$status,
MessageValue::new( 'rest-permission-error', [ $permission ] ),
403
);
}
}
|
