Implement rangeDownload() as driver and provide sendfile implementations for Nginx and Lighttpd

* The rangeDownload() function has been moved to libraries/Ddownload/drivers/Ddownload_php.php
* The nginx and lighttpd drivers can be set via $config['download_driver']

Signed-off-by: Pierre Schmitz <pierre@archlinux.de>

1 files changed, 30 insertions, 0 deletions

diff --git a/application/libraries/Ddownload/drivers/Ddownload_nginx.php b/application/libraries/Ddownload/drivers/Ddownload_nginx.php
new file mode 100644
index 000000000..5fb6ffa87
--- /dev/null
+++ b/application/libraries/Ddownload/drivers/Ddownload_nginx.php
@@ -0,0 +1,30 @@
+<?php
+/*
+ * Copyright 2013 Pierre Schmitz <pierre@archlinux.de>
+ *
+ * Licensed under AGPLv3
+ * (see COPYING for full license text)
+ *
+ */
+
+class Ddownload_nginx extends Ddownload_Driver {
+
+	public function serveFile($file, $filename, $type)
+	{
+		$CI =& get_instance();
+		$upload_path = $CI->config->item('upload_path');
+		$download_location = $CI->config->item('download_nginx_location');
+
+		if (strpos($file, $upload_path) === 0) {
+			$file_path = substr($file, strlen($upload_path));
+		} else {
+			show_error('Invalid file path');
+			return;
+		}
+
+		header('Content-disposition: inline; filename="'.$filename."\"\n");
+		header('Content-Type: '.$type."\n");
+		header('X-Accel-Redirect: '.$download_location.$file_path."\n");
+	}
+
+}