[OpenSIPS-Users] Getting header from 302
Ben Newlin
Ben.Newlin at genesys.com
Tue Jun 1 18:52:22 EST 2021
You still don’t need to call drop() as long as you are handling the request in failure_route. The 302 will not be sent back upstream as long as failure_route either creates a new branch request or sends back a different reply code. Only if failure_route exits without doing either of these things would the downstream 302 be sent back upstream as-is.
In fact, as far as I know drop() has no functionality for responses >= 200.
Ben Newlin
From: Users <users-bounces at lists.opensips.org> on behalf of Jeff Pyle <jeff at ugnd.org>
Date: Tuesday, June 1, 2021 at 2:48 PM
To: OpenSIPS users mailling list <users at lists.opensips.org>
Subject: Re: [OpenSIPS-Users] Getting header from 302
Oh! Understood.
- Jeff
On Tue, Jun 1, 2021 at 2:42 PM David Villasmil <david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>> wrote:
The thing is I _want_ to drop the 302, I don't want to do anything else with it.
Regards,
David Villasmil
email: david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>
phone: +34669448337
On Tue, Jun 1, 2021 at 6:46 PM Jeff Pyle <jeff at ugnd.org<mailto:jeff at ugnd.org>> wrote:
In my experience you don't need drop() in the reply route. Just store the AVP and move on. Something like this:
onreply_route[collect_identity] {
if (is_present_hf("Identity")) {
$avp(identity) := $hdr(Identity);
setflag("GOT_IDENTITY");
}
}
If you've armed both the reply and failure routes with t_on_reply() and t_on_failure(), the $avp(identity) variable set here will be available in the failure_route. The GOT_IDENTITY flag, too.
- Jeff
- Jeff
On Tue, Jun 1, 2021 at 11:20 AM David Villasmil <david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>> wrote:
Yes, I see it is documented.
So the reply header is only availanble on the "onreply" route, not on the "failure" route. That was my problem. I do indeed use an avp to store the header.
I ended up getting the header on the "onreply" and storing it in an avp, set a flag and then drop(). I noticed the "failure" route is then executed.
>From there I can send the processing to the invite route and by checking the flag, adding the header from the avp.
Thanks for your help!
Regards,
David Villasmil
email: david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>
phone: +34669448337
On Tue, Jun 1, 2021 at 3:52 PM Ben Newlin <Ben.Newlin at genesys.com<mailto:Ben.Newlin at genesys.com>> wrote:
It’s documented that it works this way. The message being processed in failure_route is the original request; in reply_route it’s the reply. [1]
You can use variable context to access the reply from failure_route [2]. Another option would be to extract the header value into and AVP in reply_route and then reference the AVP from failure_route.
[1] - https://www.opensips.org/Documentation/Script-Routes-3-2<https://www.opensips.org/Documentation/Script-Routes-3-2>
[2] - https://www.opensips.org/Documentation/Script-CoreVar-3-2<https://www.opensips.org/Documentation/Script-CoreVar-3-2>
Ben Newlin
From: Users <users-bounces at lists.opensips.org<mailto:users-bounces at lists.opensips.org>> on behalf of David Villasmil <david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>>
Date: Tuesday, June 1, 2021 at 10:43 AM
To: OpenSIPS users mailling list <users at lists.opensips.org<mailto:users at lists.opensips.org>>
Subject: Re: [OpenSIPS-Users] Getting header from 302
Yeah, my thing is when i use the failure route i can in theory grab the response header and ignore the 302 and send to the invite route again to actually send the call out via do_routing.
What I'm trying to do is:
- On receiving an invite: forward to an endpoint.
- This endpoint will simply reply with 302 including a header.
- I want to grab that header and continue routing normally (do_routing)
I could do that with the failure route, but not so sure about the onreply route.
Regards,
David Villasmil
email: david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>
phone: +34669448337
On Tue, Jun 1, 2021 at 2:34 PM Jeff Pyle <jeff at ugnd.org<mailto:jeff at ugnd.org>> wrote:
I don't think you're doing anything wrong. I think I found the same thing, that headers on the reply were available only in a reply route and not in a failure route. If you know where to look for them to populate the AVP, I suppose it doesn't matter much.
I haven't looked at the code but I suspect all the routes other than an onreply_route give you access to the requests headers, and onreply_route gives you access to the reply headers. Makes sense I guess.
- Jeff
On Tue, Jun 1, 2021 at 9:31 AM David Villasmil <david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>> wrote:
Thanks Jeff,
MMM, that's strange, I was using it on failure route and the route was being executed, but the data wasn't there. I put it on the onreply route and that one is now executed with the data correctly there...
I probably did something wrong.
Thanks again Jeff!
Regards,
David Villasmil
email: david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>
phone: +34669448337
On Tue, Jun 1, 2021 at 12:37 PM Jeff Pyle <jeff at ugnd.org<mailto:jeff at ugnd.org>> wrote:
In which route are you trying to use if (is_present_hf("Identity"))? Since the 302 is both a reply and a "failure", I suggest seeing if it appears in either the armed onreply_route or failure_route.
I think From is available because it was present in the original request route.
- Jeff
On Tue, Jun 1, 2021 at 5:39 AM David Villasmil <david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>> wrote:
Anyone has any idea about this? Appreciate your help.
On Mon, 31 May 2021 at 21:11, David Villasmil <david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>> wrote:
So weird,
I can get the From header, but not "Identity"...
Regards,
David Villasmil
email: david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>
phone: +34669448337
On Mon, May 31, 2021 at 8:22 PM David Villasmil <david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>> wrote:
This is really weird,
if (is_present_hf("Identity"))
says it is not present, but it is!
Regards,
David Villasmil
email: david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>
phone: +34669448337
On Mon, May 31, 2021 at 7:47 PM David Villasmil <david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>> wrote:
Hello Guys,
I'm getting a header on a 302 which i'm trying to get, but for some reason I can't.
This is an example 302:
2021/05/31 18:42:36.499157 10.231.32.237:5060<http://10.231.32.237:5060> -> 10.231.57.11:6075<http://10.231.57.11:6075>
SIP/2.0 302 Redirect
Via: SIP/2.0/UDP 1.2.3.4<http://1.2.3.4>:6075;branch=z9hG4bKd8e8.50036ee6.0;received=10.231.57.11
Via: SIP/2.0/UDP 10.231.33.135;branch=z9hG4bKd8e8.fe2738f41d26b2b68328691c326a077a.0
v:SIP/2.0/UDP 10.231.49.211:6060;received=10.231.49.211;rport=6060;branch=z9hG4bK68SgceeareaUa
f:"+18883333333"<sip:+18883333333 at 10.231.49.211<mailto:sip%3A%2B18883333333 at 10.231.49.211>>;tag=ZBQ713X9pgD5S
t:<sip:19992222222 at domain.com<mailto:sip%3A19992222222 at domain.com>>;tag=9dd61ff61e802d8e2bef5f14621ef3c2.50cf6b6c
i:cf649a38-3ce2-123a-eaad-122eaa5d9655
CSeq:36689486 INVITE
Identity: eyJhbGciOiJFUzI1NiIsInBwdCI6InNoYWtlbiIsInR5cCI6InBhc3Nwb3J0IiwieDV1IjoiaHR0cHM6Ly9vcHMtc3RhdGljLnMzLmFtYXpvbmF3cy5jb20vc3Rpci1zaGFrZW4vZWMyNTYtcHVibGljLnBlbSJ9.eyJhdHRlc3QiO
BIiwiZGVzdCI6eyJ0biI6WyIxNzg2NDEwNzgzNyJdfSwiaWF0IjoxNjIyNDg2NTU2LCJvcmlnIjp7InRuIjoiKzEzMTU5ODUyNTk0In0sIm9yaWdpZCI6IjhlZGE4M2Q1LWY1MjEtNDQzZC1iNDI0LWIzNDQ3MDc4ZjYxZCJ9.cjIz9VwlS9_6qA
6mmDgottk41BLpQcA40HdvV_6jAPqQ1EIL3_jLWl25oHeVEWOzTMhcERp4Jn-JZ4vP_n3w;info=<https://somedomain.com/stir-shaken/ec256-public.pem<https://somedomain.com/stir-shaken/ec256-public.pem>>;alg=ES256;ppt=shaken
Server: kamailio (5.5.0 (x86_64/linux))
Content-Length: 0
I'm trying to get the "Identity" header with:
$avp(identity_header) = $(hdr(Identity));
But It's coming up <null>
Any ideas of what I'm doing wrong?
Regards,
David Villasmil
email: david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>
phone: +34669448337
--
Regards,
David Villasmil
email: david.villasmil.work at gmail.com<mailto:david.villasmil.work at gmail.com>
phone: +34669448337
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