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<?php
namespace SMW\Protection;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerInterface;
use SMW\DIProperty;
use SMW\MediaWiki\Hooks\ArticleProtectComplete;
use SMW\Message;
use SMW\PropertyAnnotators\EditProtectedPropertyAnnotator;
use SMW\SemanticData;
use User;
use WikiPage;
/**
* @license GNU GPL v2+
* @since 2.5
*
* @author mwjames
*/
class EditProtectionUpdater implements LoggerAwareInterface {
/**
* @var WikiPage
*/
private $wikiPage;
/**
* @var User
*/
private $user;
/**
* @var boolean
*/
private $isRestrictedUpdate = false;
/**
* @var boolean|string
*/
private $editProtectionRight = false;
/**
* LoggerInterface
*/
private $logger;
/**
* @since 2.5
*
* @param WikiPage $wikiPage
* @param User|null $user
*/
public function __construct( WikiPage $wikiPage, User $user = null ) {
$this->wikiPage = $wikiPage;
$this->user = $user;
if ( $this->user === null ) {
$this->user = $GLOBALS['wgUser'];
}
}
/**
* @see LoggerAwareInterface::setLogger
*
* @since 2.5
*
* @param LoggerInterface $logger
*/
public function setLogger( LoggerInterface $logger ) {
$this->logger = $logger;
}
/**
* @since 2.5
*
* @param string|boolean $editProtectionRight
*/
public function setEditProtectionRight( $editProtectionRight ) {
$this->editProtectionRight = $editProtectionRight;
}
/**
* @since 2.5
*
* @return boolean
*/
public function isRestrictedUpdate() {
return $this->isRestrictedUpdate;
}
/**
* @since 2.5
*
* @param SemanticData $semanticData
*/
public function doUpdateFrom( SemanticData $semanticData ) {
// Do nothing
if ( $this->editProtectionRight === false ) {
return;
}
list( $isEditProtected, $isAnnotationBySystem ) = $this->fetchEditProtectedInfo( $semanticData );
$title = $this->wikiPage->getTitle();
if ( $title === null ) {
return;
}
$restrictions = array_flip( $title->getRestrictions( 'edit' ) );
// No `Is edit protected` was found and the restriction doesn't contain
// a matchable `editProtectionRight`
if ( $isEditProtected === null && !isset( $restrictions[$this->editProtectionRight] ) ) {
return $this->log( __METHOD__ . ' no update required' );
}
if ( $isEditProtected && !isset( $restrictions[$this->editProtectionRight] ) && !$isAnnotationBySystem ) {
return $this->doUpdateRestrictions( $isEditProtected );
}
if ( $isEditProtected && $title->isProtected( 'edit' ) || !$isEditProtected && !$title->isProtected( 'edit' ) ) {
return $this->log( __METHOD__ . ' Status already set, no update required' );
}
$this->doUpdateRestrictions( $isEditProtected );
}
private function fetchEditProtectedInfo( $semanticData ) {
// Whether or not the update was invoked by the ArticleProtectComplete hook
$this->isRestrictedUpdate = $semanticData->getOption( ArticleProtectComplete::RESTRICTED_UPDATE ) === true;
$property = new DIProperty( '_EDIP' );
$isEditProtected = null;
$isAnnotationBySystem = false;
$dataItems = $semanticData->getPropertyValues(
$property
);
if ( $dataItems !== [] ) {
$isEditProtected = false;
// In case of two competing values, true always wins
foreach ( $dataItems as $dataItem ) {
$isEditProtected = $dataItem->getBoolean();
if ( $isEditProtected ) {
break;
}
}
$isAnnotationBySystem = $dataItem->getOption( EditProtectedPropertyAnnotator::SYSTEM_ANNOTATION );
}
return [ $isEditProtected, $isAnnotationBySystem ];
}
private function doUpdateRestrictions( $isEditProtected ) {
$protections = [];
$expiry = [];
if ( $isEditProtected ) {
$this->log( __METHOD__ . ' add protection on edit, move' );
$protections = [
'edit' => $this->editProtectionRight,
'move' => $this->editProtectionRight
];
$expiry = [
'edit' => 'infinity',
'move' => 'infinity'
];
} else {
$this->log( __METHOD__ . ' remove protection on edit, move' );
$protections = [];
$expiry = [];
}
$reason = Message::get( 'smw-edit-protection-auto-update' );
$cascade = false;
$status = $this->wikiPage->doUpdateRestrictions(
$protections,
$expiry,
$cascade,
$reason,
$this->user
);
}
private function log( $message, $context = [] ) {
if ( $this->logger === null ) {
return;
}
$this->logger->info( $message, $context );
}
}
|
