From a915b1b493f5d3c88b391758e8b22a519c4e66d4 Mon Sep 17 00:00:00 2001
From: edward <edward@roojs.com>
Date: Thu, 9 Nov 2017 18:48:03 +0800
Subject: [PATCH] DataObjects/Images.php

---
 DataObjects/Images.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/DataObjects/Images.php b/DataObjects/Images.php
index dbee94a7..08373d44 100644
--- a/DataObjects/Images.php
+++ b/DataObjects/Images.php
@@ -794,6 +794,8 @@ class Pman_Core_DataObjects_Images extends DB_DataObject
     {
         $ret = false;
         
+        require_once 'System.php';
+        
         switch ($this->mimetype) {
             
             case 'application/pdf' :
@@ -804,6 +806,12 @@ class Pman_Core_DataObjects_Images extends DB_DataObject
                     return false;
                 }
                 
+                $pdftk = System::which('pdftk');
+                
+                if (empty($pdftk)) {
+                    return false;
+                }
+                
                 
                 
                 break;
-- 
2.39.2