From 912d2e35e9f348f3d0bb2431c40d5cd2ba804842 Mon Sep 17 00:00:00 2001
From: zPlus <-->
Date: Sun, 13 Nov 2016 06:28:57 +0100
Subject: [PATCH] Remove 'http://' prefix from empty links

---
 submit.php | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/submit.php b/submit.php
index 58ccda94..06d3e958 100644
--- a/submit.php
+++ b/submit.php
@@ -35,9 +35,16 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST')
     
     // Normalize Link
     $link = trim ($_POST['link']);
-    $link_components = parse_url ($link);
-    if (!isset ($link_components['scheme']))
-        $link = 'http://' . $link;
+    
+    // If no link given, keep an empty string
+    if (strlen ($link) > 0)
+    {
+        $link_components = parse_url ($link);
+        
+        // Make sure there's a "scheme"
+        if (!isset ($link_components['scheme']))
+            $link = 'http://' . $link;
+    }
     
     // Add the new post
     $post_hash_id = $db->new_post ($title, $link, $_POST['text'], Session::get_userid());