ersion 1.5.4: Fix large downloads,

-) Send file size in http header
-) Check if the file exists and is readable on disk
-) Don't flush the queue before trying to change the header (will break if the header was already set before)

downloads_for_sale.php

@@ -184,16 +184,16 @@ class plgVmCustomDownloads_for_Sale extends vmCustomPlugin {
 				JFactory::getApplication()->enqueueMessage(JText::sprintf('VMCUSTOM_DLSALE_ERROR_MEDIA_NOT_CONFIGURED', $media_id), 'error');
 				return false;
 			}
-			flush();
-			ob_flush();
+			if (!is_file($media->file_url) || !is_readable($media->file_url)) {
+				JFactory::getApplication()->enqueueMessage(JText::sprintf('VMCUSTOM_DLSALE_ERROR_NO_FILE_SET', $media_id, $media->file_url), 'error');
+				return false;
+			}
 			header("Content-Type: " . $media->file_mimetype);
 			header("Content-Disposition: attachment; filename=\"".JFile::getName($media->file_url)."\"");
+			header("Content-Length: ".filesize($media->file_url));
 			if (@$this->readfile_chunked($media->file_url)) {
 				return true;
 			} else { 
-				header_remove("Content-Type");
-				header_remove("Content-Disposition");
-				JFactory::getApplication()->enqueueMessage(JText::sprintf('VMCUSTOM_DLSALE_ERROR_NO_FILE_SET', $media_id, $media->file_url), 'error');
 				return false;
 			}
 		} else {

downloads_for_sale/tmpl/product_compact.php

@@ -11,4 +11,4 @@
  
 defined('_JEXEC') or die();
 ?>
-<p><img style="vertical-align:middle; display: inline;" src="<?php echo JURI::root().VMDLSALE_PLUGINWEBROOT.'/downloads_for_sale/assets/download_small.png'; ?>" alt=""/> <a href="<?php echo $viewData[0]; ?>"><?php echo $viewData[2]->file_title; ?></a></p>
+<p><img style="vertical-align:middle; display: inline;" src="<?php echo JURI::root().VMDLSALE_PLUGINWEBROOT.'/downloads_for_sale/assets/download_small.png'; ?>" alt=""/>&nbsp;<a href="<?php echo $viewData[0]; ?>"><?php echo $viewData[2]->file_title; ?></a></p>