From b19367096780194a6941563c60954cadd9c8b4c9 Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Sat, 16 May 2020 18:54:09 +0100
Subject: [PATCH] AK: Handle "protocol relative URLs" in URL::complete_url()

---
 AK/URL.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/AK/URL.cpp b/AK/URL.cpp
index 688d5446fa..123ba5c79d 100644
--- a/AK/URL.cpp
+++ b/AK/URL.cpp
@@ -293,6 +293,12 @@ URL URL::complete_url(const String& string) const
     if (url.is_valid())
         return url;
 
+    if (string.starts_with("//")) {
+        URL url(String::format("%s:%s", m_protocol.characters(), string.characters()));
+        if (url.is_valid())
+            return url;
+    }
+
     if (string.starts_with("/")) {
         url = *this;
         url.set_path(string);