#28488: Django 1.11 to 1.11.4 raises CSRF verification failed if settings.DEBUG
is
False
-------------------------------------+-------------------------------------
Reporter: Ruben Alves | Owner: nobody
Type: Bug | Status: new
Component: CSRF | Version: 1.11
Severity: Release blocker | Resolution:
Keywords: csrf failed | Triage Stage:
settings debug false production | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Ruben Alves):
Ok, I've added some logs on `django.middleware.csrf`, and this is what I
have:
Between lines 208 and 209
(https://github.com/django/django/blob/stable/1.11.x/django/middleware/csrf.py#L208)
I've added a log and the value of `csrf_token` is
`vcdodHkRb8jlxQP5fnTjuQp5i3PMWYYEBOYfpOFkCEjWWwHMpJ9uqaPGI6vGi6hS`
The `if request.is_secure():` is `True` on line 228
(https://github.com/django/django/blob/stable/1.11.x/django/middleware/csrf.py#L228)
The value of `request_csrf_token` on line 311
(https://github.com/django/django/blob/stable/1.11.x/django/middleware/csrf.py#L311)
before we call `request_csrf_token = _sanitize_token(request_csrf_token)`
is `tMgl4aTrdjOEShUax3Gz1CJLbvnhBWiEVzmzgTxSclDuP01lBfwoE2R6dDyljaCQ`
After `_sanitize_token` be called, the value of `request_csrf_token` is
the same, and the value of `csrf_token` is
`vcdodHkRb8jlxQP5fnTjuQp5i3PMWYYEBOYfpOFkCEjWWwHMpJ9uqaPGI6vGi6hS`.
Finally `_compare_salted_tokens(request_csrf_token, csrf_token)` on line
313 returns `False`
(https://github.com/django/django/blob/stable/1.11.x/django/middleware/csrf.py#L313).
--
Ticket URL: <https://code.djangoproject.com/ticket/28488#comment:5>
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