#24321: `utils.http.same_origin` doesn't comply with RFC6454
----------------------------+--------------------
     Reporter:  lukasklein  |      Owner:  nobody
         Type:  Bug         |     Status:  new
    Component:  Utilities   |    Version:  master
     Severity:  Normal      |   Keywords:
 Triage Stage:  Unreviewed  |  Has patch:  1
Easy pickings:  0           |      UI/UX:  0
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 According to RFC6454 (http://tools.ietf.org/html/rfc6454#section-3.2.1)
 this should both be true:

 {{{#!python
 >>> from django.utils.http import same_origin
 >>> same_origin('http://google.com', 'http://google.com')
 True
 >>> same_origin('http://google.com', 'http://google.com:80')
 False
 }}}

 Quote:

     All of the following resources have the same origin:
      http://example.com/
      http://example.com:80/
      http://example.com/path/file
     Each of the URIs has the same scheme, host, and port components.

 Django's `same_origin` uses the standard urllib, which will return an
 empty port if none is explicitly specified.

 My suggestion (see GitHub pull request) is to extend `same_origin` to use
 a protocol-to-port-mapping if no port is explicitly declared.

--
Ticket URL: <https://code.djangoproject.com/ticket/24321>
Django <https://code.djangoproject.com/>
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