#16010: Support Origin header checking in the CSRF middleware
-----------------------------+------------------------------------
     Reporter:  davidben     |                    Owner:  (none)
         Type:  New feature  |                   Status:  new
    Component:  CSRF         |                  Version:  master
     Severity:  Normal       |               Resolution:
     Keywords:               |             Triage Stage:  Accepted
    Has patch:  1            |      Needs documentation:  0
  Needs tests:  0            |  Patch needs improvement:  1
Easy pickings:  0            |                    UI/UX:  0
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Comment (by Matt Johnson):

 More and more of my users are encountering problems with Django's CSRF
 protection because it requires an HTTP referer. It's still a tiny number,
 but it went from 0 in the last 10 years, to 3 in the last 6 months.

 The referrer/origin checking seems unnecessary if CSRF_COOKIE_SECURE is
 enabled.

 In any case, is there a problem with essentially replacing this line:
 https://github.com/django/django/blob/master/django/middleware/csrf.py#L240
 with this:
 {{{
 referer = request.META.get('HTTP_ORIGIN',
 request.META.get('HTTP_REFERER'))
 }}}

 and updating the error messages, tests, and documentation appropriately?

-- 
Ticket URL: <https://code.djangoproject.com/ticket/16010#comment:8>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.

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