From 127976b1efeae6141e0e0a92c06585ae328c0850 Mon Sep 17 00:00:00 2001
From: Nathan Gray <nathangray.bsc@gmail.com>
Date: Tue, 22 Feb 2011 18:17:13 +0000
Subject: [PATCH] Enforce export limit for csv exports

---
 .../inc/class.importexport_export_csv.inc.php    | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/importexport/inc/class.importexport_export_csv.inc.php b/importexport/inc/class.importexport_export_csv.inc.php
index 5ca87e22cc..7f82f34a1a 100644
--- a/importexport/inc/class.importexport_export_csv.inc.php
+++ b/importexport/inc/class.importexport_export_csv.inc.php
@@ -49,6 +49,11 @@ class importexport_export_csv implements importexport_iface_export_record
 	 */
 	protected $num_of_records = 0;
 	
+	/**
+	 * @var int holds max. number of records allowed to be exported
+	 */
+	protected $export_limit = 0;
+
 	/**
 	 * @var stream stream resource of csv file
 	 */
@@ -94,6 +99,12 @@ class importexport_export_csv implements importexport_iface_export_record
 		if ( !empty( $_options ) ) {
 			$this->csv_options = array_merge( $this->csv_options, $_options );
 		}
+
+		if(!$GLOBALS['egw_info']['user']['apps']['admin']) {
+			$config = config::read('phpgwapi');
+			if($config['export_limit'] == 'no') throw new egw_exception_no_permission_admin('Export disabled');
+			$this->export_limit = (int)$config['export_limit'];
+		}
 	}
 	
 	/**
@@ -142,6 +153,11 @@ class importexport_export_csv implements importexport_iface_export_record
 			$mapping = $this->translation->convert( $mapping, $this->translation->charset(), $this->csv_charset );
 			fputcsv( $this->handle ,$mapping ,$this->csv_options['delimiter'], $this->csv_options['enclosure'] );
 		}
+
+		// Check for limit
+		if($this->export_limit && $this->num_of_records > $this->export_limit) {
+			return;
+		}
 		
 		// do conversions
 		if ( !empty( $this->conversion )) {