new: [API] Correctly handle objects in flat exports and exposed text export to event level search

app/Controller/EventsController.php

@@ -3025,7 +3025,8 @@ class EventsController extends AppController
 			'xml' => array('xml', 'XmlExport'),
 			'suricata' => array('txt', 'NidsSuricataExport'),
 			'snort' => array('txt', 'NidsSnortExport'),
-			'rpz' => array('rpz', 'RPZExport')
+			'rpz' => array('rpz', 'RPZExport'),
+			'text' => array('text', 'TextExport')
 		);
         $exception = false;
         $filters = $this->_harvestParameters($filterData, $exception);
@@ -3051,6 +3052,9 @@ class EventsController extends AppController
 		}
 		App::uses($validFormats[$returnFormat][1], 'Export');
         $exportTool = new $validFormats[$returnFormat][1]();
+		if (!empty($exportTool->additional_params)) {
+			$filters = array_merge($filters, $exportTool->additional_params);
+		}
 		$exportToolParams = array(
 			'user' => $this->Auth->user(),
 			'params' => array(),

app/Lib/Export/NidsExport.php

@@ -15,7 +15,8 @@ class NidsExport
 			'Event' => array(
 				'fields' => array('threat_level_id')
 			)
-		)
+		),
+		'flatten' => 1
 	);
 
 	public function handler($data, $options = array())

app/Lib/Export/OpeniocExport.php

@@ -2,6 +2,9 @@
 
 class OpeniocExport
 {
+	public $additional_params = array(
+		'flatten' => 1
+	);
 
     public function buildAll($user, $data, $scope = 'event')
     {

app/Lib/Export/TextExport.php

@@ -2,11 +2,22 @@
 
 class TextExport
 {
+	public $additional_params = array(
+		'flatten' => 1
+	);
+
 	public function handler($data, $options = array())
 	{
 		if ($options['scope'] === 'Attribute') {
 			return $data['Attribute']['value'];
 		}
+		if ($options['scope'] === 'Event') {
+			$result = array();
+			foreach ($data['Attribute'] as $attribute) {
+				$result[] = $attribute['value'];
+			}
+			return implode($this->separator(), $result);
+		}
 		return '';
 	}