From 76df628b13434f9d24e71b97c8c219c31504be2d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Sat, 27 Apr 2019 16:22:42 +0200
Subject: [PATCH] rewrite invalid cloudflare redirect locations

After solving a challenge on komikcast.com, cloudflare would redirect to
https:/komikcast.com (with only one '/') when testing on TravisCI.
---
 gallery_dl/cloudflare.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gallery_dl/cloudflare.py b/gallery_dl/cloudflare.py
index 71193302..b9bf32da 100644
--- a/gallery_dl/cloudflare.py
+++ b/gallery_dl/cloudflare.py
@@ -59,8 +59,11 @@ def solve_challenge(session, response, kwargs):
         log.debug("Headers:\n%s", cf_response.headers)
         log.debug("Content:\n%s", cf_response.text)
         raise exception.StopExtraction()
+
     if location[0] == "/":
         location = root + location
+    else:
+        location = re.sub(r"(https?):/(?!/)", r"\1://", location)
 
     for cookie in cf_response.cookies:
         if cookie.name == "cf_clearance":