Does TS maintain two copies of the header values? Because the origin
is receiving the unmodified header values i.e. with spaces...

On Mon, Dec 9, 2019 at 3:15 PM Valentín Gutierrez
<vgutier...@wikimedia.org> wrote:
>
> IIRC TS normalizes header names and values to avoid inconsistencies and
> potential security issues
>
> On Tue, Dec 10, 2019, 08:08 Walt Karas <wka...@verizonmedia.com.invalid>
> wrote:
>
> > It looks like TS is discarding spaces that are unnecessary to the meaning
> > of the message.
> >
> > On Mon, Dec 9, 2019 at 4:54 PM Dk Jack <dnj0...@gmail.com> wrote:
> >
> > > Hi,
> > > I am using the atscppapi and I am noticing something weird. When I
> > > send a curl request, here's list of headers curl prints.
> > >
> > > ------------------------------------------------------------
> > > > GET / HTTP/1.1
> > > > Host: testhost1
> > > > User-Agent: curl/7.47.0
> > > > content-type: woof
> > > > accept-encoding: gzip, deflate
> > > > accept-language: en-ca
> > > > accept: application/json, text/plain, */*
> > > ---------------------------------------------------------------
> > >
> > > I have the following code to print the headers in my module.
> > >
> > >
> > >
> > ---------------------------------------------------------------------------------
> > >   ClientRequest &request = transaction.getClientRequest();
> > >   Headers &headers = request.getHeaders();
> > >
> > >   for (Headers::iterator hdr_itr = headers.begin(); hdr_itr !=
> > > headers.end(); ++hdr_itr) {
> > >     log.logInfo("%s:%s", (*hdr_itr).name().c_str(),
> > > (*hdr_itr).values().c_str());
> > >   }
> > >
> > >
> > ------------------------------------------------------------------------------------
> > >
> > > Here's what gets printed in the log:
> > >
> > >
> > ------------------------------------------------------------------------------------
> > > 0191209.22h18m52s [INFO] Host:testhost1
> > > 20191209.22h18m52s [INFO] User-Agent:curl/7.47.0
> > > 20191209.22h18m52s [INFO] Content-Type:woof
> > > 20191209.22h18m52s [INFO] Accept-Encoding:gzip,deflate
> > > 20191209.22h18m52s [INFO] Accept-Language:en-ca
> > > 20191209.22h18m52s [INFO] Accept:application/json,text/plain,*/*
> > >
> > >
> > ------------------------------------------------------------------------------------------
> > >
> > > Notice the spaces are stripped off from all header values. I observed
> > > that the server (origin) receives headers with the spaces being
> > > stripped. Is this behavior specific to atscppapi? Is there a way to
> > > prevent this from happening?
> > >
> > > When I captured tcpdump, the incoming request has the spaces. Any help
> > > is appreciated. Thanks.
> > >
> > > Dk.
> > >
> >

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