From e78937a5803004c4c69a8da6c4e704a7b9f2dac3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Fri, 27 Nov 2015 21:32:07 +0100
Subject: [PATCH] cache cookies from cloudflare-bypass

---
 gallery_dl/cloudflare.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gallery_dl/cloudflare.py b/gallery_dl/cloudflare.py
index 53c039ad..fc4959bc 100644
--- a/gallery_dl/cloudflare.py
+++ b/gallery_dl/cloudflare.py
@@ -16,6 +16,9 @@ from . import text
 def bypass_ddos_protection(session, url):
     """Prepare a requests.session to access 'url' behind Cloudflare protection"""
     session.headers["Referer"] = url
+    if url in _cache:
+        session.cookies.update(_cache[url])
+        return
     page = session.get(url).text
     params = text.extract_all(page, (
         ('jschl_vc', 'name="jschl_vc" value="', '"'),
@@ -24,6 +27,7 @@ def bypass_ddos_protection(session, url):
     params["jschl_answer"] = solve_jschl(url, page)
     time.sleep(4)
     session.get(urllib.parse.urljoin(url, "/cdn-cgi/l/chk_jschl"), params=params)
+    _cache[url] = session.cookies.copy()
 
 def solve_jschl(url, page):
     """Solve challenge to get 'jschl_answer' value"""
@@ -75,3 +79,5 @@ expression_values = {
     "!+": 1,
     "+!!": 1,
 }
+
+_cache = {}