[OpenSIPS-Users] Feature request - RFC 3994 and RFC 5438 support for instant messaging

[Bogdan-Andrei Iancu]

IF you have a multi-part body, shouldn't this do the trick:

$xml(bla) = $rb(application/im-iscomposing+xml);

[1] https://opensips.org/Documentation/Script-CoreVar-3-6#rb


Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
   https://www.siphub.com


On 5/11/26 18:40, Robert Dyck wrote:
> I don't think that $xml() can be made to work. The first parameter for $xml()
> is the name of an xml object. This would work for the xml we create ourself
> with xml module. How would we extract an xml and name it.
>
> I thought about using the content type as a filter. This was problematic
> because MESSAGE ( RFC 3248 page mode ) allows SIP headers in the body. We
> receive two Content-Type headers. I tried using $cT[index] but the second
> Content-Type is never found. Using any index always just returns the first
> instance.
>
> I tried using sipmsgops has_body_part( mime ). This doesn't work for the same
> reason filtering the content type didn't work. This function uses the content
> type as the first step in its filter. It will never find "Content-Type:
> application/im-iscomposing+xml".
>
> I can keep the xml from being stored in the silo by filtering on "Content-Type
> message/cpim" but I am not happy with it. It is not specific enough and may
> cause issues.
>
> On Thursday, May 7, 2026 1:36:49 a.m. Pacific Daylight Time you wrote:
>> if you have $xml(bla) = "....some xml....";
>>
>> Try like $xml(bla/isComposing.attr/xmlns)
>>
>> Regards,
>>
>> Bogdan-Andrei Iancu
>>
>> OpenSIPS Founder and Developer
>>     https://www.opensips-solutions.com
>>     https://www.siphub.com
>>
>> On 5/6/26 22:19, Robert Dyck wrote:
>>> I am trying to understand $xml() and added some logging to the script.
>>>
>>> I know the contents of the xml doc.
>>>
>>> <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
>>>
>>> <isComposing xmlns="urn:ietf:params:xml:ns:im-iscomposing">
>>>
>>> <state>active</state>
>>>
>>> <contenttype>text/plain</contenttype>
>>>
>>> <refresh>60</refresh>
>>>
>>>   </isComposing>'
>>>
>>>
>>> Using statements such as "xlog("xlm is $xml(?xml/isComposing)\n");"
>>>
>>> I get DBG:xml:pv_get_xml: Unknown object <?xml>
>>> The same if I ignore the version element and try "isComposing".
>>>
>>> It says Unknown object <isComposing>
>>>
>>>
>>> Printing the entire $xml doesn't work.
>>>
>>> BG:core:parse_headers_aux: flags=ffffffffffffffff
>>> [266B blob data]
>>>
>>> On Wednesday, May 6, 2026 1:08:11 a.m. Pacific Daylight Time you wrote:
>>>> According to the grammar [1], you have access to the attributes:
>>>>
>>>>
>>>>
>>>> access = .val | .attr/string | .attr/$var
>>>>
>>>>
>>>>
>>>> An example:
>>>>
>>>>
>>>>
>>>> $xml(my_doc/doc/list.attr/sort) = "asc";              # add
>>> attribute "sort"
>>>
>>>> to list node
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> [1] https://opensips.org/docs/modules/3.6.x/xml.html#pv_xml
>>>>
>>>>
>>>>
>>>> Bogdan-Andrei Iancu
>>>>
>>>>
>>>>
>>>> OpenSIPS Founder and Developer
>>>>
>>>> https://www.opensips-solutions.com
>>>>
>>>> https://www.siphub.com
>>>>
>>>> On 5/4/26 17:31, Robert Dyck wrote:
>>>>> Yes.
>>>>>
>>>>> Or perhaps just detect the the presence of xlm. It should not go
>>> into the
>>>
>>>>> silo.
>>>>>
>>>>> On Monday, May 4, 2026 6:48:50 a.m. Pacific Daylight Time you wrote:
>>>>>> You mean the xmlns attribute of the isComposing node ?
>>>>>>
>>>>>>
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>>
>>>>>>
>>>>>> Bogdan-Andrei Iancu
>>>>>>
>>>>>>
>>>>>>
>>>>>> OpenSIPS Founder and Developer
>>>>>>
>>>>>>
>>>>>>
>>>>>> https://www.opensips-solutions.com
>>>>>>
>>>>>> https://www.siphub.com
>>>>>>
>>>>>> On 4/27/26 19:21, Robert Dyck wrote:
>>>>>>> I have looked at the module and it is not clear to me how one would
>>>>>>>
>>>>>>> extract the name space from the xml.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
>>>>>>>
>>>>>>> <isComposing xmlns="urn:ietf:params:xml:ns:im-iscomposing">
>>>>>>>
>>>>>>>          <state>active</state>
>>>>>>>
>>>>>>> <contenttype>text/plain</contenttype>
>>>>>>>
>>>>>>>          <refresh>60</refresh>
>>>>>>>
>>>>>>> </isComposing>'
>>>>>>>
>>>>>>>    _______________________________________________
>>>>>>>
>>>>>>>>> Users mailing list
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Users at lists.opensips.org
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>>>>> On Monday, April 27, 2026 7:31:14 a.m. Pacific Daylight Time you
>>> wrote:
>>>>>>>> Robert,
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Check thishttps://opensips.org/docs/modules/3.6.x/xml.html
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Bogdan-Andrei Iancu
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> OpenSIPS Founder and Developer
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> https://www.opensips-solutions.com
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> https://www.siphub.com
>
>
>