Re: Event notification from another user private calendar

Quoting Jens Wahnes <[email protected]>:

> On Tue, Feb 16 2016, at 11:49:41 -0200, Luis Felipe Marzagao wrote:
>
>> Em 15/02/2016 11:47, Luis Felipe Marzagao escreveu:
>>> Hello:
>>>
>>> I´ve just been notified in kronolith (the orange bottom-right box) about
>>> an event that was created by another user in his private calendar.
>>>
>>> I do not have access to that calendar. It´s not listed in my shared
>>> calendars.
>>>
>>> If I click on the event name at the orange notification box I get a
>>> "Event not found" error (red box). Probably because I don´t have access
>>> to that event, as expected, since it´s private for that user.
>>>
>>> We are using kronolith 4.2.14.
>>
>> Today it has happened again.
>
> I didn't notice this on our test server, but since we updated our main
> server to the latest versions of Horde (including Kronolith 4.2.15),
> this is happening to us as well.
>
> The problem seems to stem from the horde-alarms script being run (a
> cronjob in our case). After the update, the horde-alarms script
> consumes way more memory than before and takes ages to run (before:
> less than a second, after the upgrade: more than a minute).

There was a bug in the code that polls each application for alarms. We  
weren't actually polling the applications at all in certain cases.  
This commit:

https://github.com/horde/horde/commit/4b482074340bf4e7ddc469d69172c5c0a2c761f8

fixed the issue, and probably explains the longer execution time,  
since each application is now actually polled. I'm not seeing your  
other issue, but will look into it further.


> After
> horde-alarms has run, the horde_alarms table is messed up. Compared
> with the state before, there are now duplicated entries that have got
> the same alarm_params etc. as the original entry, but the alarm_uid is
> another. I think that this is what causes the notifications to be
> displayed to the wrong user.
>
> Our tests so far indicate that neither downgrading Kronolith back to
> 4.2.8 nor downgrading Horde_Alarms back to 2.2.4 helps to resolve the
> issue. Which leaves me a bit puzzled what other upgraded package might
> be causing this.
>
>> One additional information: apparently the notification is only
>> appearing for the calendar owner and for me and I´m registered as admin
>> in $conf[auth][admins]. I wonder if being an admin is causing this.
>
> AFAICS, the duplicated events will have the owner with the lowest
> share_id in the kronolith_sharesng table.  At least that's what
> happened in our case.  For testing purposes, we changed the user with
> the lowest id in kronolith_sharesng to someone else, and when we
> triggered the problem again, that user would wrongfully receive the
> notification email.
>
>
> Jens



-- 
mike
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