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protect against some browsers' buggy handling of backslash as slash

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Min RK
2019-03-28 10:30:36 +01:00
parent 2a23e8afea
commit 6e14e86a1a
1 changed files with 2 additions and 0 deletions
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jupyterhub/handlers/base.py
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@@ -549,6 +549,8 @@ class BaseHandler(RequestHandler):
- else: /hub/home - else: /hub/home
""" """
next_url = self.get_argument('next', default='') next_url = self.get_argument('next', default='')
# protect against some browsers' buggy handling of backslash as slash
next_url = next_url.replace('\\', '%5C')
if (next_url + '/').startswith( if (next_url + '/').startswith(
( (
'%s://%s/' % (self.request.protocol, self.request.host), '%s://%s/' % (self.request.protocol, self.request.host),