Merge pull request #14 from s-mfairch4/master

Limit comments to 1 post per ip per min.

data/spamRules.php

@@ -76,6 +76,29 @@ $rules['ip'][] = function($spam) {
     }
 };
 
+/**
+ * Check if we are being flooded by the ip address
+ * (Only one post per min)
+ *
+ * @param $spam
+ * @return bool
+ */
+$rules['ip'][] = function($spam) {
+    $db = UNL_WDN_Comment_Record::getDB();
+
+    $sql = "SELECT count(*) as total FROM comment where ip = '" . $db->real_escape_string($spam) . "' AND submitdatetime > DATE_SUB(NOW(), INTERVAL 1 MINUTE)";
+
+    if ($result = $db->query($sql)) {
+        $row = $result->fetch_assoc();
+
+        if (isset($row['total']) && $row['total'] >= 1) {
+            return true;
+        }
+    }
+
+    return false;
+};
+
 $rules['ip'][] = function($spam) {
 
     //http:BL key