From 8d42bfb222e825d682801fa7713403088c30bd6a Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 16 Jun 2012 12:38:45 +0530
Subject: [PATCH] Fix #1013976 (Content Server with iPad problems)

---
 src/calibre/library/server/utils.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/calibre/library/server/utils.py b/src/calibre/library/server/utils.py
index 5d694a8ead..b697e3870a 100644
--- a/src/calibre/library/server/utils.py
+++ b/src/calibre/library/server/utils.py
@@ -102,7 +102,12 @@ class AuthController(object):
         @wraps(func)
         def authenticate(*args, **kwargs):
             cookie = cherrypy.request.cookie.get(self.cookie_name, None)
-            if not (allow_cookie_auth and self.is_valid(cookie)):
+            ua = cherrypy.request.headers.get('User-Agent', '').strip()
+
+            if ('iPad;' in ua or 'iPhone;' in ua or (
+                not (allow_cookie_auth and self.is_valid(cookie)))):
+                # Apparently the iPad cant handle this
+                # see https://bugs.launchpad.net/bugs/1013976
                 digest_auth(self.realm, get_ha1_dict_plain(self.users_dict),
                             self.secret)