[CalendarServer-users] Older iCal works...sometimes

Emil Lundberg Emil.Lundberg at bmc.uu.se
Sun Oct 28 10:03:45 PDT 2007


Vice-versa, and perhaps more importantly; any calendar created by  
iCal 3 through CalDAV will not be viewable by older, WebDAV-based  
clients.

Hopefully, this little exercise has not been entirely confusing... :-)

E

28 okt 2007 kl. 14.10 skrev Emil Lundberg:

> Hi Douglas,
>
> (DCS folks, feel free to correct me if I am mistaken)
>
> DCS at its core is a WebDAV server (basically HTTP with r/w  
> capabilities), allowing any user to upload files (not  
> necessarily .ics/iCalendar files) to a any permitted directory  
> using the proper credentials. This can also be accomplished using  
> the DAV extension to a standard Apache httpd web service.
>
> While it is entirely possible to allow iCal 2 (or Outlook 2007,  
> Windows Vista Calendar, Evolution, etc) clients to publish and  
> subscribe to calendars residing in the DCS collection space, CalDAV- 
> aware clients (such as iCal 3, SunBird/Lightning or Mulberry) will  
> never be able to access these directly through their CalDAV  
> accounts. Rather they will have to subscribe/publish to them as  
> they would any other web-calendar, and all the CalDAV-specific  
> functionality (delegations, acl, free-busy, true server-based  
> calendars, etc) will be lost.
>
> Basically, you will have to decide what level of functionality you  
> are aiming for; if all you need is to publish/subscribe to web  
> calendars, you just require a WebDAV server (even Exchange has some  
> support for this, IIRC). Taking the CalDAV route promises much more  
> but has the downside of being a work in progress and also limits  
> your current choice in clients. This is expected change rather  
> rapidly however :-)
>
> best,
>
> /Emil
>
> 28 okt 2007 kl. 07.26 skrev Douglas O'Connor:
>
>> Hello again,
>>
>> I have found that I can still publish to the DCS with the older  
>> 10.4 iCal (v2.0), which the online documentation says is not  
>> compatible, as long as it is done in the root directory and with  
>> the admin/admin uid/pwd. For example, publishing to http:// 
>> www.servername.edu:8008/ with admin/admin is no problem. It has a  
>> problem unpublishing, but the ability to publish and subscribe is  
>> there for older versions of iCal.
>>
>> I am wondering if, since it is possible for this to happen on the  
>> root dir with the admin guid, can I somehow config DCS to let it  
>> happen across the server, in other dir structures? Is there a  
>> reason why I wouldn't want this? Normally when I try this, I get:  
>> Calendar data does not conform to CalDAV requirements: METHOD  
>> property is not allowed in CalDAV iCalendar data. But it seems  
>> important that servers be somewhat backwards compatible, so that  
>> not everybody has to go out and buy new software in order to take  
>> advantage. Additionally, why wouldn't I receive the same error  
>> message as an admin/admin publishing to the root dir?
>>
>> Any ideas would be welcome, thank you all very much for helping out.
>>
>> -Doug
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>
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