Hi, you could use a mod_perl output filter handler to rewrite the response to your needs based on the input. Did that for some specific SaaS years ago and for some response with e.g. a special header the filter answered somerhing totally different and discarded the original response.
Happy coding :-) Cheers Shmuel Krakower <shmul...@gmail.com> schrieb am Mi., 22. Mai 2019, 22:29: > Hi matt and lbutlr > Thanks for the response. > > I guess I should add few pieces of information. > The client is one SaaS and the backend is another SaaS. The backend > returns 302 which is right but the client consider anything which is not > 2xx as error which cause it to retry. > > Therefore I must "hack" or stitch it with a proxy. I am using mod_proxy. > My other alternative is to use other software than httpd to stitch those > two services and show 200 instead of the 302. > > The solution mentioned in stackoverflow will not work for 302 response as > I cannot set error page for such non-error response codes. > > The solution with rewrite won't work neither as I need to alter the > response and not the request. > > > On Wed, May 22, 2019, 10:37 PM Muggeridge, Matt <matt.muggerid...@hpe.com> > wrote: > >> With a little googling, this technique looks promising… >> https://stackoverflow.com/questions/15083481/how-can-i-replace-apache-http-code-404-to-200 >> >> >> >> - As I cannot alter the backend behaviour >> >> >> >> Yet, you talk about using mod_substitute and mod_header to alter the >> server’s behaviour. If the 302 responses are not valid, then hunt down and >> fix/remove the ‘redirect’ configuration options in either a .htaccess or >> some other configuration file. >> >> >> >> Matt. >> >> >> >> *From:* Shmuel Krakower <shmul...@gmail.com> >> *Sent:* Thursday, 23 May 2019 4:00 AM >> *To:* users@httpd.apache.org >> *Subject:* [users@httpd] Control / Modify the HTTP Status Line >> >> >> >> Hello, >> >> This is my first message on this user list, hope that's the right place >> for my question. >> >> >> >> I am using Apache for proxying a backend server. >> >> The backend server may return, in some occaisons, a 302 response code for >> successful requests. >> >> As I cannot alter the backend behavior nor the client's to consider such >> 302 responses as successful, I am looking for a way to manipulate the >> response code on Apache. >> >> >> >> While going through the options in and trying ways to alter data which is >> sent back to clients I found two: >> >> 1. mod_substitute - to manipulate respose body. >> >> 2. mod_header - to manipulate respose headers. >> >> >> >> The problem is that the HTTP Status Line (the very first line returned by >> apache) cannot be altered by neither of these modules. >> >> I was also trying to set the response code in various response headers >> but none seem to make any affect on the Status Line contents. >> >> >> >> Does anyone know of a way to manipulate the HTTP Status Line or how to >> internal process of apache works to determine the Status Line (maybe this >> way I can cause it to generate a different status line). >> >> >> >> Thanks, >> >> Shmuel Krakower. >> >
