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