Hi,

We have been recently trying your community edition product and we have
come to a point where we have been having difficulties getting a policy to
upload and to validate successfully using the Fiware Authzforce CE. Could
you please answer some questions which will guide us.

The use case we have is as follows:

GIVEN a customer
WHEN performing read
AND the resource-id (request attribute) ends with sub-resource-id (request
attribute)
THEN permit

In summary to this we would like to validate that a resource-id request
attribute (e.g. /campaigns?resourceId=abc123) ends with abc123 which also
comes from the request. We would like to do this in a way in which we can
compare two values from the request in our policy.

We have attempted to achieve this use case using a <Condition> which
compares two AttributeDesignators via the <Apply> function however this
does not work.

We receive an error:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?><error xmlns:ns2="
http://authzforce.github.io/core/xmlns/pdp/6.0
<https://www.google.com/url?q=http://authzforce.github.io/core/xmlns/pdp/6.0&sa=D&source=hangouts&ust=1559404012504000&usg=AFQjCNGts_Pt79vKn2GYtMV7FmnbE_3YaQ>"><message>Failed
to find a root PolicySet with id = 'f8194af5-807-486a-9581-c1f05d05483c',
Version=4,EarliestVersion=,LatestVersion=: Matched PolicySet
'f8194af5-807-486a-9581-c1f05d05483c' (version 1) is invalid or its content
is unavailable</message></error>

When removing the condition block the policy uploads successfully.

Attached to this email is the policy which we have attempted to upload and
use.

We await your response

Many thanks,

–

Jason Marden

Software Engineer

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T: +44 (0) 203 021 2026

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[Created via e-mail received from: Jason Marden <jason.marden@smartology.net>]