[kronolith] Problems with Free/Busy URL

Mon Nov 18 15:39:36 UTC 2013

Zitat von Jan Schneider <jan at horde.org>:

> Zitat von Jens Grüntjes <jens.gruentjes at ebira.de>:
>
>> Zitat von Jan Schneider <jan at horde.org>:
>>
>>> Zitat von Jens Grüntjes <jens.gruentjes at ebira.de>:
>>>
>>>> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>>>>> Jens Grüntjes <jens.gruentjes at ebira.de> wrote:
>>>>>
>>>>> Quoting Jens Grüntjes <jens.gruentjes at ebira.de>
>>>>>
>>>>>> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>>>>>>
>>>>>>> Quoting Jens Grüntjes <jens.gruentjes at ebira.de>:
>>>>>>>
>>>>>>>> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>>>>>>>>
>>>>>>>>> Quoting Jens Grüntjes <jens.gruentjes at ebira.de>:
>>>>>>>>>
>>>>>>>>>> Hello folks,
>>>>>>>>>>
>>>>>>>>>> I'm a bit confused about the free/busy URLs in Kronolith.  
>>>>>>>>>> I'm using the latest PEAR packages of Horde Groupware 5.1.3  
>>>>>>>>>> along with Kronolith 4.1.4.
>>>>>>>>>>
>>>>>>>>>> When I enter an event in Kronolith and I want to invite a  
>>>>>>>>>> colleague to this event the following happens:
>>>>>>>>>>
>>>>>>>>>> The timeline of the whole day consists of nothing but black  
>>>>>>>>>> diagonal lines for me and my colleague.
>>>>>>>>>>
>>>>>>>>>> I see a yellow "popup" in the browser saying "Die  
>>>>>>>>>> Frei/Gebucht-URL für user.xxxx at xxxx.xx konnte nicht gelesen  
>>>>>>>>>> werden." (English: The free/busy url for user.xxxx at xxxx.xx  
>>>>>>>>>> cannot be retrieved.)
>>>>>>>>>>
>>>>>>>>>> According to this the logfile says:
>>>>>>>>>> 2013-11-15T22:29:22+01:00 DEBUG: HORDE [kronolith] Die  
>>>>>>>>>> Frei/Gebucht-URL für xxxxx.yyyy at yyyy.zz konnte nicht  
>>>>>>>>>> gelesen werden. [pid 22637 on line 27 of  
>>>>>>>>>> "/usr/share/php/Horde/Core/Notification/Handler/Decorator/Hordelog.php"]
>>>>>>>>>>
>>>>>>>>>> The same message appears for my own user which is  
>>>>>>>>>> automagically added as attendee.
>>>>>>>>>>
>>>>>>>>>> I have marked the entry for myself in a shared address book  
>>>>>>>>>> as my own entry. Also I have added the Free/Busy URL for me  
>>>>>>>>>> and my colleague in Turba.
>>>>>>>>>>
>>>>>>>>>> If I enter the address of my Free/Busy URL in the browser I  
>>>>>>>>>> can download a file that looks like this:
>>>>>>>>>>
>>>>>>>>>> BEGIN:VCALENDAR
>>>>>>>>>> VERSION:2.0
>>>>>>>>>> PRODID:-//The Horde Project//Kronolith H5 (4.1.4)//EN
>>>>>>>>>> METHOD:PUBLISH
>>>>>>>>>> BEGIN:VFREEBUSY
>>>>>>>>>> ORGANIZER;CN="Jens ZZZZZ":mailto:xxxx.yyyy at xxxx.yy
>>>>>>>>>> DTSTAMP:20131115T202200Z
>>>>>>>>>> DTSTART:20131114T230000Z
>>>>>>>>>> DTEND:20131214T230000Z
>>>>>>>>>> URL:https://xxxx.xxxxx.xxx/horde/kronolith/fb.php?u=xxxx
>>>>>>>>>> FREEBUSY:20131118T170000Z/20131118T183000Z
>>>>>>>>>> FREEBUSY:20131121T070000Z/20131121T090000Z
>>>>>>>>>> FREEBUSY:20131125T183000Z/20131125T223000Z
>>>>>>>>>> FREEBUSY:20131126T100000Z/20131126T133000Z
>>>>>>>>>> END:VFREEBUSY
>>>>>>>>>> END:VCALENDAR
>>>>>>>>>>
>>>>>>>>>> The same for my colleague:
>>>>>>>>>> BEGIN:VCALENDAR
>>>>>>>>>> VERSION:2.0
>>>>>>>>>> PRODID:-//The Horde Project//Kronolith H5 (4.1.4)//EN
>>>>>>>>>> METHOD:PUBLISH
>>>>>>>>>> BEGIN:VFREEBUSY
>>>>>>>>>> ORGANIZER;CN=Michael XXXXX:mailto:xxxxx.yyyy at xxx.yy
>>>>>>>>>> DTSTAMP:20131115T212445Z
>>>>>>>>>> DTSTART:20131114T230000Z
>>>>>>>>>> DTEND:20131214T230000Z
>>>>>>>>>> URL:https://xxxxx.yyy.zz/horde/kronolith/fb.php?u=zzzzz
>>>>>>>>>> FREEBUSY:20131115T093000Z/20131115T112900Z
>>>>>>>>>> FREEBUSY:20131116T080000Z/20131116T090000Z
>>>>>>>>>> FREEBUSY:20131116T093000Z/20131116T103000Z
>>>>>>>>>> FREEBUSY:20131116T140000Z/20131116T150000Z
>>>>>>>>>> END:VFREEBUSY
>>>>>>>>>> END:VCALENDAR
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Could it be that Kronolith searches for the complete  
>>>>>>>>>> address "xxxx.yyyy at xxxx.yyyy" instead of using only the  
>>>>>>>>>> username?
>>>>>>>>>
>>>>>>>>> Kronolith search Turba (or more accurately,the contacts/  
>>>>>>>>> api) for the contact entry using the full email address.  
>>>>>>>>> Kronolith uses the freebusy url from the contact found by  
>>>>>>>>> the contacts/ api to request the freebusy information.
>>>>>>>>
>>>>>>>> This is what I expected. But I entered the freebusy url for  
>>>>>>>> my colleague in the form  
>>>>>>>> https://our.server.der/horde/kronolith/bf.php?u=mycollegue in  
>>>>>>>> Turba. In the log files it looks as if Kronolith tries it  
>>>>>>>> with  
>>>>>>>> https://our.server.der/horde/kronolith/bf.php?u=mycollegue.fullname@our.domain
>>>>>>>> Maybe I'm blind but I don't see what I'm doing wrong.
>>>>>>>
>>>>>>> Not sure then. Kronolith uses the results returned from the  
>>>>>>> contacts/ api as-is. You can trace this yourself in  
>>>>>>> Kronolith_Freebusy::getUrl().
>>>>>>>
>>>>>>> If you are an admin on the horde system, you can try putting  
>>>>>>> this in the phpshell (admin->phpshell) be sure to select the  
>>>>>>> "Calendar" scope in the drop down.
>>>>>>>
>>>>>>> var_dump(Kronolith_FreeBusy::getUrl('mycollegue.fullname at our.domain'));
>>>>>>>
>>>>>>> This will show you exactly what Turba is returning.
>>>>>>>
>>>>>>> This will show you the rest
>>>>>>
>>>>>> Unfortunately this only shows:
>>>>>> PHP Code
>>>>>>
>>>>>> var_dump(Kronolith_FreeBusy::getUrl('mycollegue.fullname at our.domain'));
>>>>>> Ergebnisse
>>>>>>
>>>>>> bool(false)
>>>>>>
>>>>>> (Of course I replaced the fake address with the real address)
>>>>>>
>>>>>> It seems like something else in my installation is strange.
>>>>
>>>>> Are you sure you choose the correct scope in the drop-down ?
>>>>>
>>>>> mike
>>>>> Sent from mobile
>>>>>
>>>> Sorry, I chose Turba instead of Kronolith. This is the expected result:
>>>>
>>>> string(53) "https://mail.ebira.de/horde/kronolith/fb.php?u=mycolleague"
>>>>
>>>> When I enter this in the browser I get a download-link with the  
>>>> file mycolleague.vfb with the contents I mentioned above.
>>>>
>>>> SO this looks correct to me.
>>>> --
>>>> Greetings Jens
>>>
>>> There is not a problem with getting the URL from the address book,  
>>> but with reading the URL. That you are able to download the FB  
>>> information from your local browser, doesn't mean that the Horde  
>>> server can download it too.
>>> -- 
>>> Jan Schneider
>>> The Horde Project
>>> http://www.horde.org/
>>
>> Can someone advise me how to track this down? I first thought of my  
>> firewall but everything concerning Horde is running on the same host.
>> --
>> Greetings Jens
>
> That doesn't necessarily mean that you can resolve that host name on  
> localhost. Use wget or curl to retrieve the FB URL *on* the Horde  
> server.
> -- 
> Jan Schneider
> The Horde Project
> http://www.horde.org/

Thanks Jan for the hint, it looks like a NAT and/or firewall problem.  
Via wget I don't get a connection to the host at all. I track this  
down further.
--
Greetings
Jens