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, 34 insertions, 0 deletions

diff --git a/application/libraries/Ddownload/Ddownload.php b/application/libraries/Ddownload/Ddownload.php
new file mode 100644
index 000000000..808dfe776
--- /dev/null
+++ b/application/libraries/Ddownload/Ddownload.php
@@ -0,0 +1,34 @@
+<?php
+/*
+ * Copyright 2013 Pierre Schmitz <pierre@archlinux.de>
+ *
+ * Licensed under AGPLv3
+ * (see COPYING for full license text)
+ *
+ */
+
+abstract class Ddownload_Driver extends CI_Driver {
+
+	abstract public function serveFile($file, $filename, $type);
+}
+
+class Ddownload extends CI_Driver_Library {
+
+	protected $_adapter = null;
+
+	protected $valid_drivers = array(
+		'ddownload_php', 'ddownload_nginx', 'ddownload_lighttpd'
+	);
+
+	function __construct()
+	{
+		$CI =& get_instance();
+
+		$this->_adapter = $CI->config->item('download_driver');
+	}
+
+	public function serveFile($file, $filename, $type)
+	{
+		$this->{$this->_adapter}->serveFile($file, $filename, $type);
+	}
+}