[Tickets #7514] iCalendar access for guest users

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Ticket URL: http://bugs.horde.org/ticket/7514
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  Ticket             | 7514
  Created By         | almarin at um.es
  Summary            | iCalendar access for guest users
  Queue              | Kronolith
  Version            | 2.3
  Type               | Enhancement
  State              | New
  Priority           | 1. Low
  Milestone          |
  Patch              | 1
  Owners             |
+New Attachment     | calendar_info.php.patch
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almarin at um.es (2008-10-16 05:12) wrote:

When WebDAV is active, the subscription URL is the RPC based one. The  
problem here is that rpc.php allways check for users credentials, so  
there is no way to access an iCalendar url (.ics) even if you give  
guest permissions for it.

I see two solutions for that:
- rpc.php should check Guest Permission before ask for authentication
- Give the ics.php based url like "Guest URL".

The second one is faster to implement, but maybe the desirable one  
should be the fist.

As a quick patch, calendar_info.php could check for guest permissions  
and offer the ics.php based url. I attach a patch to show you the idea.