1 files changed, 81 insertions, 0 deletions
diff --git a/library/Director/PropertyModifier/PropertyModifierParseURL.php b/library/Director/PropertyModifier/PropertyModifierParseURL.php
new file mode 100644
index 0000000..ce7c81b
--- /dev/null
+++ b/library/Director/PropertyModifier/PropertyModifierParseURL.php
@@ -0,0 +1,81 @@
+<?php
+
+namespace Icinga\Module\Director\PropertyModifier;
+
+use Icinga\Exception\InvalidPropertyException;
+use Icinga\Module\Director\Hook\PropertyModifierHook;
+use Icinga\Module\Director\Web\Form\QuickForm;
+
+class PropertyModifierParseURL extends PropertyModifierHook
+{
+
+    /**
+     * Array with possible components that can be returned from URL.
+     */
+    protected static $components = [
+        'scheme'   => PHP_URL_SCHEME,
+        'host'     => PHP_URL_HOST,
+        'port'     => PHP_URL_PORT,
+        'path'     => PHP_URL_PATH,
+        'query'    => PHP_URL_QUERY,
+        'fragment' => PHP_URL_FRAGMENT,
+    ];
+
+    public static function addSettingsFormFields(QuickForm $form)
+    {
+        $form->addElement('select', 'url_component', [
+            'label'        => $form->translate('URL component'),
+            'description'  => $form->translate('URL component'),
+            'multiOptions' => $form->optionalEnum(static::enumComponents()),
+            'required'     => true,
+        ]);
+
+        $form->addElement('select', 'on_failure', [
+            'label'        => $form->translate('On failure'),
+            'description'  => $form->translate(
+                'What should we do if the URL could not get parsed or component not found?'
+            ),
+            'multiOptions' => $form->optionalEnum([
+                'null' => $form->translate('Set no value (null)'),
+                'keep' => $form->translate('Keep the property as is'),
+                'fail' => $form->translate('Let the whole import run fail'),
+            ]),
+            'required' => true,
+        ]);
+    }
+
+    protected static function enumComponents()
+    {
+        $components = array_keys(self::$components);
+        return array_combine($components, $components);
+    }
+
+    public function getName()
+    {
+        return 'Parse a URL and return its components';
+    }
+
+    public function transform($value)
+    {
+        $component = self::$components[$this->getSetting('url_component')];
+        $response = parse_url($value, $component);
+
+        // if component not found $response will be null, false if seriously malformed URL
+        if ($response === null || $response === false) {
+            switch ($this->getSetting('on_failure')) {
+                case 'null':
+                    return null;
+                case 'keep':
+                    return $value;
+                case 'fail':
+                default:
+                    throw new InvalidPropertyException(
+                        'Parsing URL "%s" failed.',
+                        $value
+                    );
+            }
+        }
+
+        return $response;
+    }
+}