[SR-Users] Any clever ways to strip down a user portion of an RURI?

[Brooks Bridges]

Thanks everyone!


-----Original Message-----
From: sr-users <sr-users-bounces at lists.kamailio.org> On Behalf Of Daniel-Constantin Mierla
Sent: Friday, March 11, 2022 5:23 AM
To: Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>; Alex Balashov <abalashov at evaristesys.com>
Subject: Re: [SR-Users] Any clever ways to strip down a user portion of an RURI?

I haven't tried, but an alternative idea that worth checking:

xavp_params_explode("$rU", "u");

$xavp(u=>npdi) = $null;

xavp_params_implode("u", "$rU");

$xavp(u) = $null;

Cheers,
Daniel

On 10.03.22 22:03, Alex Balashov wrote:
> I have a similar need and have not found any shortcuts. Nevertheless, I hope the following snippet might help generalise the problem:
>
> ----------
>         $var(new_ru) = ‘';
>
>         $var(i) = 0;
>         while($var(i) < $(rU{param.count,;})) {
>             $var(k) = $(rU{param.name,$var(i),;});
>
>             switch($var(k)) {
>                 # Strip off 'npdi', keep all else.
>
>                 case 'npdi':
>                     break;
>
>                 default:
>                     if($(var(new_ru){s.len}) > 0)
>                         $var(new_ru) = $var(new_ru) + ';';
>
>                     $var(new_ru) = $var(new_ru) +
> $(rU{param.name,$var(i),;});
>
>                     if(!strempty($(rU{param.valueat,$var(i),;})))
>                         $var(new_ru) = $var(new_ru) + '=' + $(rU{param.valueat,$var(i),;});
>             }
>
>             $var(i) = $var(i) + 1;
>         }
>
>         $rU = $var(new_ru);
> ----------
>
> For a test RURI value of:
>
>    sip:14045551212;npdi;moo;rn=14045550000 at sip.evaristesys.com
>
> This yields:
>
>    sip:14045551212;moo;rn=14045550000 at sip.evaristesys.com
>
> More parameters to strip out can just be added to the ’switch’ statement.
>
> — Alex
>
>> On Mar 10, 2022, at 3:25 PM, Brooks Bridges <bbridges at call48.com> wrote:
>>
>> Have a need to strip out various parameters from the user portion of the RURI and/or the To (npdi, etc).  Does anyone have any clever methods for doing so that don’t involve just brute forcing through the individual parameters?
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>
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