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<?php |
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namespace SMW\PropertyAnnotators; |
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use SMW\PropertyAnnotator; |
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use ParserOutput; |
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use SMW\Message; |
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use Title; |
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use Html; |
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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 EditProtectedPropertyAnnotator extends PropertyAnnotatorDecorator { |
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/** |
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* Indicates whether the annotation was maintained by |
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* the system or not. |
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*/ |
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const SYSTEM_ANNOTATION = 'editprotectedpropertyannotator.system.annotation'; |
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/** |
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* @var Title |
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*/ |
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private $title; |
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/** |
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* @var boolean |
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*/ |
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private $editProtectionRight = false; |
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/** |
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* @since 1.9 |
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* |
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* @param PropertyAnnotator $propertyAnnotator |
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* @param Title $title |
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*/ |
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public function __construct( PropertyAnnotator $propertyAnnotator, Title $title ) { |
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parent::__construct( $propertyAnnotator ); |
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$this->title = $title; |
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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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* @param ParserOutput |
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*/ |
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public function addTopIndicatorTo( ParserOutput $parserOutput ) { |
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if ( $this->editProtectionRight === false ) { |
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return false; |
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} |
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// FIXME 3.0; Only MW 1.25+ (ParserOutput::setIndicator) |
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if ( !method_exists( $parserOutput, 'setIndicator' ) ) { |
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return false; |
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} |
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$property = $this->dataItemFactory->newDIProperty( '_EDIP' ); |
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if ( !$this->isEnabledProtection( $property ) && !$this->hasEditProtection() ) { |
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return; |
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} |
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$html = Html::rawElement( |
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'div', |
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array( |
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'class' => 'smw-edit-protection', |
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'title' => Message::get( 'smw-edit-protection-enabled' ) |
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), '' |
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); |
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$parserOutput->setIndicator( |
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'smw-protection-indicator', |
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Html::rawElement( 'div', array( 'class' => 'smw-protection-indicator' ), $html ) |
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); |
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} |
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/** |
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* @see PropertyAnnotatorDecorator::addPropertyValues |
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*/ |
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protected function addPropertyValues() { |
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if ( $this->editProtectionRight === false ) { |
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return false; |
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} |
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$property = $this->dataItemFactory->newDIProperty( '_EDIP' ); |
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if ( $this->getSemanticData()->hasProperty( $property ) || !$this->hasEditProtection() ) { |
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return; |
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} |
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// Notify preceding processes that this property is set as part of the |
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// protection restriction detection in order to decide whether this |
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// property was added manually or by the system |
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$dataItem = $this->dataItemFactory->newDIBoolean( true ); |
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$dataItem->setOption( self::SYSTEM_ANNOTATION, true ); |
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// Since edit protection is active, add the property as indicator this is |
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// especially to retain the status when purging a page |
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$this->getSemanticData()->addPropertyObjectValue( |
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$property, |
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$dataItem |
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); |
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} |
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private function hasEditProtection() { |
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//$this->title->flushRestrictions(); |
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if ( !$this->title->isProtected( 'edit' ) ) { |
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return false; |
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} |
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$restrictions = array_flip( $this->title->getRestrictions( 'edit' ) ); |
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// There could by any edit protections but the `Is edit protected` is |
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// bound to the `smwgEditProtectionRight` setting |
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return isset( $restrictions[$this->editProtectionRight] ); |
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} |
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private function isEnabledProtection( $property ) { |
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if ( !$this->getSemanticData()->hasProperty( $property ) ) { |
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return false; |
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} |
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$semanticData = $this->getSemanticData(); |
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$dataItems = $semanticData->getPropertyValues( $property ); |
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$isEnabledProtection = false; |
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// In case of two competing values, true always wins |
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foreach ( $dataItems as $dataItem ) { |
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$isEnabledProtection = $dataItem->getBoolean(); |
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if ( $isEnabledProtection ) { |
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break; |
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} |
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} |
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return $isEnabledProtection; |
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} |
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} |
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Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly.
For example, imagine you have a variable
$accountId
that can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to theid
property of an instance of theAccount
class. This class holds a proper account, so the id value must no longer be false.Either this assignment is in error or a type check should be added for that assignment.