allow filtering parameters

src/Webservice/WebService.php

@@ -10,6 +10,7 @@ use Bsr\Utils\Logger\Logger;
 abstract class WebService
 {
     private $func = null;
+
     private $status = 200;
 
     private $version = null;
@@ -33,11 +34,12 @@ abstract class WebService
         $data = array();
 
         try {
+
             $result = $this->call($sendSession);
             $data["result"][$this->func] = $result;
 
-            // Logger::log(print_r($result, true));
         } catch (WebException $e) {
+
             $data["error"]["code"] = $e->getCode();
             $data["error"]["reason"] = $e->getMessage();
             $data["error"]["name"] = $e->getName();
@@ -47,12 +49,15 @@ abstract class WebService
             $this->status = 400;
 
             Logger::info($e->getName(), 'error');
+
         } catch (\Exception $e) {
+
             $data["failure"]["code"] = $e->getCode();
             $data["failure"]["reason"] = $e->getMessage();
             $this->status = 500;
 
             Logger::info($e->getMessage(), 'error');
+
         }
 
         Logger::stop(array('status' => $this->status));
@@ -75,14 +80,17 @@ abstract class WebService
         }
 
         $params = empty($_GET) ? $_POST : $_GET;
+
         if (empty($params)) {
             throw new UsageException("NoArguments", "No arguments specified.", UsageException::NO_ARGS);
         }
 
-        if (!array_key_exists("func", $params)) {
+        if (!isset($params["func"])) {
             throw new UsageException("MissingMethod", "No method specified.", UsageException::MISSING_METHOD);
         }
 
+        $params = $this->filterParams($params);
+
         $this->func = $params["func"];
         unset($params['func']);
 
@@ -109,4 +117,13 @@ abstract class WebService
 
         return call_user_func_array(array($this, $this->func), $params);
     }
+
+    /**
+     * Allow subclasses to filter params by overriding this
+     * @param $params
+     */
+    protected function filterParams($params)
+    {
+        return $params;
+    }
 }