From e4343b0ef4e54e900e787f2c0827ad27bb41a587 Mon Sep 17 00:00:00 2001
From: Pierre <pierre@hubert.fr>
Date: Sat, 6 Jan 2018 18:25:27 +0100
Subject: [PATCH] Added a function to check posted files

---
 functions/requests.php | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/functions/requests.php b/functions/requests.php
index 4465056..a7d4e88 100644
--- a/functions/requests.php
+++ b/functions/requests.php
@@ -210,4 +210,28 @@ function getPostPostID(string $name = "postID") : int {
 		Rest_fatal_error(404, "Specified post does not exists!");
 	
 	return $postID;
+}
+
+/**
+ * Check the validity of an file posted in a request
+ * 
+ * @param string $name The name of the $_FILES entry
+ * @return bool True if the file is valid / false else
+ */
+function check_post_file(string $name) : bool {
+
+	//Check if image exists
+	if(!isset($_FILES[$name]))
+		return false;
+	
+	//Check for errors
+	if($_FILES[$name]['error'] != 0)
+		return false;
+	
+	//Check if the file is empty
+	if($_FILES[$name]['size'] < 1)
+		return false;
+
+	return true;
+
 }
\ No newline at end of file