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- <?php
- namespace Drupal\Core\Condition;
- use Drupal\Component\Plugin\Exception\ContextException;
- /**
- * Resolves a set of conditions.
- */
- trait ConditionAccessResolverTrait {
- /**
- * Resolves the given conditions based on the condition logic ('and'/'or').
- *
- * @param \Drupal\Core\Condition\ConditionInterface[] $conditions
- * A set of conditions.
- * @param string $condition_logic
- * The logic used to compute access, either 'and' or 'or'.
- *
- * @return bool
- * Whether these conditions grant or deny access.
- */
- protected function resolveConditions($conditions, $condition_logic) {
- foreach ($conditions as $condition) {
- try {
- $pass = $condition->execute();
- }
- catch (ContextException $e) {
- // If a condition is missing context and is not negated, consider that a
- // fail.
- $pass = $condition->isNegated();
- }
- // If a condition fails and all conditions were needed, deny access.
- if (!$pass && $condition_logic == 'and') {
- return FALSE;
- }
- // If a condition passes and only one condition was needed, grant access.
- elseif ($pass && $condition_logic == 'or') {
- return TRUE;
- }
- }
- // Return TRUE if logic was 'and', meaning all rules passed.
- // Return FALSE if logic was 'or', meaning no rule passed.
- return $condition_logic == 'and';
- }
- }
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