refactoring redirect and response classes.

laravel/download.php

@@ -0,0 +1,41 @@
+<?php namespace Laravel;
+
+class Download extends Response {
+
+	/**
+	 * Create a new download generator instance.
+	 *
+	 * @param  File  $file
+	 * @return void
+	 */
+	public function __construct(File $file)
+	{
+		$this->file = $file;
+	}
+
+	/**
+	 * Create a new download response instance.
+	 *
+	 * @param  string    $path
+	 * @param  string    $name
+	 * @return Response
+	 */
+	public function of($path, $name = null)
+	{
+		if (is_null($name)) $name = basename($path);
+
+		$response = parent::__construct($this->file->get($path));
+
+		$response->header('Content-Description', 'File Transfer');
+		$response->header('Content-Type', $this->file->mime($this->file->extension($path)));
+		$response->header('Content-Disposition', 'attachment; filename="'.$name.'"');
+		$response->header('Content-Transfer-Encoding', 'binary');
+		$response->header('Expires', 0);
+		$response->header('Cache-Control', 'must-revalidate, post-check=0, pre-check=0');
+		$response->header('Pragma', 'public');
+		$response->header('Content-Length', $this->file->size($path));
+
+		return $response;
+	}
+
+}