Version 1

[yaffs-website] / web / core / modules / filter / tests / filter_test / src / Plugin / Filter / FilterTestRestrictTagsAndAttributes.php

diff --git a/web/core/modules/filter/tests/filter_test/src/Plugin/Filter/FilterTestRestrictTagsAndAttributes.php b/web/core/modules/filter/tests/filter_test/src/Plugin/Filter/FilterTestRestrictTagsAndAttributes.php
new file mode 100644 (file)
index 0000000..352506e
--- /dev/null
+++ b/web/core/modules/filter/tests/filter_test/src/Plugin/Filter/FilterTestRestrictTagsAndAttributes.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace Drupal\filter_test\Plugin\Filter;
+
+use Drupal\filter\FilterProcessResult;
+use Drupal\filter\Plugin\FilterBase;
+use Drupal\Component\Utility\Xss;
+
+/**
+ * Provides a test filter to restrict HTML tags and attributes.
+ *
+ * @Filter(
+ *   id = "filter_test_restrict_tags_and_attributes",
+ *   title = @Translation("Tag and attribute restricting filter"),
+ *   description = @Translation("Used for testing \Drupal\filter\Entity\FilterFormatInterface::getHtmlRestrictions()."),
+ *   type = Drupal\filter\Plugin\FilterInterface::TYPE_HTML_RESTRICTOR
+ * )
+ */
+class FilterTestRestrictTagsAndAttributes extends FilterBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function process($text, $langcode) {
+    $allowed_tags = array_filter($this->settings['restrictions']['allowed'], function($value) {
+      return is_array($value) || (bool) $value !== FALSE;
+    });
+    return new FilterProcessResult(Xss::filter($text, array_keys($allowed_tags)));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getHTMLRestrictions() {
+    $restrictions = $this->settings['restrictions'];
+
+    // The configuration system stores FALSE as '0' and TRUE as '1'. Fix that.
+    if (isset($restrictions['allowed'])) {
+      foreach ($restrictions['allowed'] as $tag => $attrs_or_bool) {
+        if (!is_array($attrs_or_bool)) {
+          $restrictions['allowed'][$tag] = (bool) $attrs_or_bool;
+        }
+        else {
+          foreach ($attrs_or_bool as $attr => $attrvals_or_bool) {
+            if (!is_array($attrvals_or_bool)) {
+              $restrictions['allowed'][$tag][$attr] = (bool) $attrvals_or_bool;
+            }
+            else {
+              foreach ($attrvals_or_bool as $attrval => $bool) {
+                $restrictions['allowed'][$tag][$attr][$attrval] = (bool) $bool;
+              }
+            }
+          }
+        }
+      }
+    }
+    if (isset($restrictions['forbidden_tags'])) {
+      foreach ($restrictions['forbidden_tags'] as $tag => $bool) {
+        $restrictions['forbidden_tags'][$tag] = (bool) $bool;
+      }
+    }
+
+    return $restrictions;
+  }
+
+}