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always start redirect count at 1 when redirecting /hub/user/:name -> /user/:name

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/hub/user/:name is now only reasonably visited as a result of redirect from /user/:name
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Min RK
2021-03-09 09:57:04 +01:00
parent 2146eef150
commit 8173bbbf75
1 changed files with 6 additions and 3 deletions
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9
jupyterhub/handlers/base.py
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@@ -1575,7 +1575,6 @@ class UserUrlHandler(BaseHandler):
if self.subdomain_host:
target = user.host + target
referer = self.request.headers.get('Referer', '')
# record redirect count in query parameter
if redirects:
self.log.warning("Redirect loop detected on %s", self.request.uri)
@@ -1587,8 +1586,12 @@ class UserUrlHandler(BaseHandler):
query_parts['redirects'] = redirects + 1
url_parts = url_parts._replace(query=urlencode(query_parts, doseq=True))
target = urlunparse(url_parts)
elif '/user/{}'.format(user.name) in referer or not referer:
# add first counter only if it's a redirect from /user/:name -> /hub/user/:name
else:
# Start redirect counter.
# This should only occur for redirects from /user/:name -> /hub/user/:name
# when the corresponding server is already ready.
# We don't check this explicitly (direct visits to /hub/user are technically possible),
# but that's now the only normal way to get here.
target = url_concat(target, {'redirects': 1})
self.redirect(target)