From 250296e23774ddd1da7afc92f3eaa094bfafaea7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexander=20Nicolaysen=20S=C3=B8rnes?=
 <alex@thehandofagony.com>
Date: Wed, 18 Jun 2008 00:33:19 +0200
Subject: [PATCH] db_filter_ui: Restrict number of active filters

---
 include/db_filter_ui.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/db_filter_ui.php b/include/db_filter_ui.php
index 61a6d93..a2644ce 100644
--- a/include/db_filter_ui.php
+++ b/include/db_filter_ui.php
@@ -15,6 +15,8 @@ define('FILTER_VALUES_ENUM', 2);
 define('FILTER_VALUES_BOOL', 3);
 define('FILTER_VALUES_OPTION', 4);
 
+define('MAX_FILTERS', 50);
+
 /* Info describing an available filter: what column it applies to,
     and what comparison options are available */
 class FilterInfo
@@ -436,10 +438,18 @@ class FilterInterface
        The given TableFilterSet defines available options */
     public function readInput($aClean)
     {
+        $iCount = 0; // We set a maximum for how many filters a user can add,
+                     // otherwise we may get a too long SQL query
+
         foreach($this->getFilterInfo() as $oOption)
         {
             foreach($this->readInputForColumn($aClean, $oOption) as $oNewFilter)
+            {
+                $iCount ++;
                 $this->AddFilterObject($oNewFilter);
+                if($iCount > MAX_FILTERS)
+                    break;
+            }
         }
     }