How to prime user calendars in Cyrus 3?

Ken Murchison murch at
Thu May 4 13:16:35 EDT 2017

Hi Nic,

Try adding the following header to your authenticated (as admin) requests:

Authorize-As: <userid>

This *should* allow the admin to proxy as the specified user. There 
currently isn't any standard for proxy auth in HTTP, so I manufactured 
by own header to do so.  This is how a frontend server in a Murder 
proxies requests to the backend as the given user.

On 05/04/2017 12:00 PM, Nic Bernstein wrote:
> Ken,
> I'm back to the project of trying to migrate my own Cal/CardDav users 
> from DaviCal to Cyrus 3.  Problem I'm faced with is that other than 
> myself, my users do not have #calendars or #addressbooks in the Cyrus 
> mail store.  Thus my migration script fails, as destination 
> collections do not exist.
> I do have "|caldav_create_default:| 1" set, but when pointing a 
> browser to "http://newjiji:8008/dav/calendars/user/<userid>" for users 
> who don't already have the collections created, I get a 404 error 
> "Mailbox does not exist."
> So my question is, how does one get these users primed?  My migration 
> scripts use the administrative user to connect and perform the work, 
> so such connection is not happening as the user themselves.  If my 
> only recourse is to make each user connect a calendar client, then 
> I'll do that, but I don't think that scales well.
> My concern here is dealing with sites which, like our own, have 
> already deployed a CalDav solution and are looking to migrate to the 
> inbuilt solution on Cyrus.
> Any thoughts?
> Cheers,
>     -nic
> -- 
> Nic Bernsteinnic at
> Onlight,
> 6525 W Bluemound Road, Suite 24           v. 414.272.4477
> Milwaukee, Wisconsin  53213-4073

Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University

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