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Subject: Re: REST Profile

Hi David

thanks for pointing me to the IETF draft.

I already have a copy of your JSON draft. Are you proposing to produce an XACMLv2 request/response context in JSON as well?

The reason I am interested in this is that I am currently working on various security features of OpenStack, and one of the next things I will be addressing is its Rest API for accessing a PDP. The XACML REST profile seems like a good contender for moving OpenStack to a standards based API



On 15/12/2012 19:15, David Brossard wrote:
Hi Dave,

Good to hear from you.

Your assumption is correct. The REST profile doesn't define the format
of the request but rather the way you send a request / response.

The RFC Remon (in CC) wrote specifies how the version of XACML can be
indicated (http://www.ietf.org/id/draft-sinnema-xacml-media-type-00.txt).

We're also working on a JSON representation of XACML.


On Fri, Dec 14, 2012 at 6:50 PM, David Chadwick <d.w.chadwick@kent.ac.uk
<mailto:d.w.chadwick@kent.ac.uk>> wrote:

    Hi David et al.

    The Rest profile says that is supports versions 3.0 and earlier.
    However I can find no text in the profile that says how earlier
    versions of XACML are supported. I assume that when the POST message
    is sent to the PDP, it will be set to something like this:

    POST /authorization/pdp HTTP/1.0
    Host: www.example.com <http://www.example.com>
    Accept: application/xacml+xml; version=2.0
    Content-Type: application/xacml+xml; version=2.0

    and the request context will then follow the XACMLv2 schema.

    However, the profile itself is silent on this issue.



David Brossard, M.Eng, SCEA, CSTP
Product Manager
+46(0)760 25 85 75
Axiomatics AB
Skeppsbron 40
S-111 30 Stockholm, Sweden

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