[Tickets #14908] Re: not able to sync shared calendar withou Write perms

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Ticket URL: https://bugs.horde.org/ticket/14908
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  Ticket             | 14908
  Updated By         | Michael Rubinsky <mrubinsk at horde.org>
  Summary            | not able to sync shared calendar withou Write perms
  Queue              | Kronolith
  Version            | 4.2.11
  Type               | Bug
-State              | Unconfirmed
+State              | Not A Bug
-Priority           | 2. Medium
+Priority           | 1. Low
  Milestone          |
  Patch              |
-Owners             |
+Owners             | Michael Rubinsky
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Michael Rubinsky <mrubinsk at horde.org> (2019-03-18 16:28) wrote:

> When other users shares his calendar with you, and you want to  
> synchronize that calendar to tour mobile phone (for  example) using  
> activesync, you have to have write permissions on that calendar.
> This means  it's not possible to let other user see ower calendar on  
> a device which syncs the calendar using activesync without give  
> write permission to the other user in that calendar.
>
> Besides you dont want other people to write on your calendar, this  
> creates a lot of confusion because then you can acidentally write on  
> other people calendars.

This is a limitation of the ActiveSync protocol. There is no idea of  
permissions in the protocol, it's designed for synchronizing resources  
owned by the user. We explicitly filter out non-writable resources  
when synchronizing.