[Sipping] document paths in sipping-config-framework-07

["Dag Ekengren" <dag.ekengren at hotsip.com>]

Hello,

This comment is related to the comment the 13th by Haris Zisimopoulos.

In sipping-config-framework-07 the section "8.6  Usage of XCAP with the
Profile Package" describes how a document path is constructed when a
client wants to subscribe to a document:

For XCAP the relative document path is constructed using the following
steps:

   1.  Its first path segment is either "global", specifying global
       data, or "user", specifying user data for the user in the request
       URI.
   2.  If the prior path segment is "user", the next path segment
       identifies the the user's home directory.  That is the next path
       segment is the user's directory name.  The user's directory name
       is appended onto the "document" path with the "/" separator.  If
       the prior path segment is "global" nothing is appended to the
       document path for this step.
   3.  When the "profile-type" is "application", the next path segment
       to append (i.e. after "global" or the user's home directory
       segment) MAY indicate the XCAP Application Unique ID (AUID) if
       the user agent wishes to subscribe to a specific application
       profile.
   4.  If the AUID was added to the document path in the prior step,
       additional path segments may be added according to the specific
       schema of the profile and the query mechanism provided in
       [I-D.ietf-simple-xcap].


For example, if I want to subscribe to a user's document for an
application:

User: John
AUID: myapp
Document name: groups.xml

then the event header in the subscribe request will look like this:

Event: ua-profile; profile-type=application;
document="user/myapp/john/group.xml"

The full path to the XCAP server looks like this:
http://xcap.example.com/services/myapp/users/john/group.xml

So "user/myapp/john" in the subscription request is interpreted as
"myapp/users/john". This is what I find confusing.

In my opinion, the path in the document parameter should be similar
to the URL on the XCAP server:

Event: ua-profile; profile-type=application; document="myapp/users/john 
/group.xml"

Best Regards,
Dag




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