From abfaeaff4d8a6874fd92030afb8a0f0134854fb4 Mon Sep 17 00:00:00 2001
From: Taylor Otwell <taylorotwell@gmail.com>
Date: Sun, 26 Jun 2011 08:44:31 -0500
Subject: [PATCH] added upload_of validation rule.

---
 system/input.php                      | 12 +++++++
 system/validation/rules/upload_of.php | 51 +++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 system/validation/rules/upload_of.php

diff --git a/system/input.php b/system/input.php
index 1e9fd973..b09ef673 100644
--- a/system/input.php
+++ b/system/input.php
@@ -69,6 +69,18 @@ public static function old($key = null, $default = null)
 		return Arr::get(Session::get('laravel_old_input', array()), $key, $default);
 	}
 
+	/**
+	 * Get an item from the uploaded file data.
+	 *
+	 * @param  string  $key
+	 * @param  mixed   $default
+	 * @return array
+	 */
+	public static function file($key, $default = null)
+	{
+		return Arr::get($_FILES, $key, $default);
+	}
+
 	/**
 	 * Hydrate the input data for the request.
 	 *
diff --git a/system/validation/rules/upload_of.php b/system/validation/rules/upload_of.php
new file mode 100644
index 00000000..cf1d3393
--- /dev/null
+++ b/system/validation/rules/upload_of.php
@@ -0,0 +1,51 @@
+<?php namespace System\Validation\Rules;
+
+use System\Input;
+use System\Validation\Rule;
+
+class Upload_Of extends Rule {
+
+	/**
+	 * The acceptable file extensions.
+	 *
+	 * @var array
+	 */
+	public $extensions;
+
+	/**
+	 * The maximum file size in bytes.
+	 *
+	 * @var int
+	 */
+	public $maximum;
+
+	/**
+	 * Evaluate the validity of an attribute.
+	 *
+	 * @param  string  $attribute
+	 * @param  array   $attributes
+	 * @return void
+	 */
+	public function check($attribute, $attributes)
+	{
+		if ( ! array_key_exists($attribute, Input::file()))
+		{
+			return true;
+		}
+
+		$file = Input::file($attribute);
+
+		if ( ! is_null($this->maximum) and $file['size'] > $this->maximum)
+		{
+			return false;
+		}
+
+		if ( ! is_null($this->extensions) and ! in_array(File::extension($file['name']), $this->extensions))
+		{
+			return false;
+		}
+
+		return true;
+	}	
+
+}
\ No newline at end of file