Re: Lua r:requestbody() removes HTTP request body

["bruno.mendoza" <bruno.mendoza@xxxxxxxxxx>]

El 2022-11-29 15:56, Eric Covener escribió:
> On Tue, Nov 29, 2022 at 10:45 AM bruno.mendoza 
> <bruno.mendoza@xxxxxxxxxx> wrote:
> > Hi,
> >
> > I trying to read every HTTP request message body (Apache httpd
> > 2.4.5/Debian 9.5) where content type is equal to 'text/xml'. For this
> > purpose I use a Lua handler script during the request translation 
> > phase
> > using the directive 'LuaHookTranslateName'
> > (https://publib.boulder.ibm.com/httpserv/manual24/mod/mod_lua.html#luahooktranslatename).
> >
> > This Lua handler script uses the function 'r:requestbody()' defined in
> > the reference manual section 'Built in function'
> > (https://publib.boulder.ibm.com/httpserv/manual24/mod/mod_lua.html#functions).
> > This method reads and returns the body of the HTTP request but it also
> > REMOVES the body of the request.
> >
> > Is this bug reported?
>
> Give https://httpd.apache.org/docs/current/mod/mod_request.html a try,
> it is a way to opt-in to buffering the request body so it can be read
> multiple times.


Hi Eric,

I tried:

""
<VirtualHost *:80>

[...]

<LocationMatch "^/<affected_url_segment>">
    KeptBodySize 10240
</LocationMatch>

LuaHookTranslateName "/some/location/script.lua" handle

[...]

</VirtualHost>
""

But the result is the same. After calling mod_lua 'r:requestbody()' 
function the request body is removed.

I'm "proxying" HTTP requests to another HTTP service.

Does exist another way of using "mod_request"?

Thanks for your answers.


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