Thank You very much Mr. Dumon for your reply, It will definately be helpful.
On Thu, May 12, 2011 at 2:41 PM, Wim Dumon <[email protected]> wrote:
> Hi Gurpreet,
>
> There are limitations. The browser will not be happy with the html and
> the body tags, and Wt will not like the fact that the example html
> that you write does not contain valid XML (e.g. <input type=submit
> value="Show"> vs <input type=submit value="Show"/>.
>
> I haven't tried this myself, but the inclusion of a form element will
> probably work in most cases. If the browser does not support
> JavaScript, Wt already puts a form tag in the toplevel of the page,
> and you'll have a form in a form and that will not work. If you
> configured Wt in progressive bootstrap, Wt will also add this toplevel
> form element (since it doesn't know yet if the browser will support
> JS), and you have a problem.
>
> But if you really want to do this, why not use an iframe? Iframes are
> made for exactly this use case. On top of that, you can have the CGI
> served by apache/nginx/... and you don't have to care about calling a
> CGI script yourself. Alternatively, you could specialize a WResource
> that calls the CGI script, if you want to use Wt's session tracking
> mechanism to provide access control to the CGI script (maybe such a
> resource would be a nice addition to the toolkit).
>
> An iframe in Wt can be implemented by a WText:
> new WText("<iframe src=\"my.cgi\"/>", Wt::XHTMLUnsafeText, parent);
> Or in case that you use a WResource:
> WCgiResource *r = new WCgiResource("/my/script/is/here", ...);
> new WText("<iframe src=\"" + r->url() + "\"/>", ...);
>
> Note that 'Wt::XHTMLUnsafeText disables the XSS filtering for this
> wtext, so beware if any of the iframe's URL contains untrusted
> strings!
>
> BR,
> Wim.
>
> 2011/5/12 Gurpreet Kaur Karwal <[email protected]>:
> > Thank You very much for replying. So, that means I can embed an HTML CODE
> > example:-
> >
> > <html>
> > <body>
> >
> > <p>
> >
> > <FORM METHOD="GET" ACTION="http://path to script">
> > Lambda:
> > <INPUT type=text name=lambda VALUE="">
> >
> > <input type=submit value="Show">
> > <input type=reset value="Reset">
> > </FORM></p></body></html>
> >
> > Can be embedded in WText???
> >
> >
> >
> > On Tue, May 10, 2011 at 12:17 PM, Wim Dumon <[email protected]> wrote:
> >>
> >> Hi,
> >>
> >> A WText can show embedded HTML code and filters it for XSS at the same
> >> time (the HTML must have valid XML syntax). Wt does not contain
> >> methods to set the environment variables for your CGI script for you,
> >> you'll have to do this yourself.
> >>
> >> A solution will probably involve pipe(), fork(), setenv(), popen() and
> >> some glue methods to forward the output of the CGI script to a string
> >> in the Wt process.
> >>
> >> BR,
> >> Wim.
> >>
> >> 2011/5/9 Gurpreet Kaur Karwal <[email protected]>:
> >> > I want to create a form using wt that is capable of calling a CGI
> >> > Script. Is
> >> > the practice of writing HTML Code and then somehow embedding it in wt
> >> > worth?? If yes, how can I do that. And if there is an easier
> alternative
> >> > to
> >> > embedding HTML code please do tell. It will be great if I can have
> some
> >> > example of the suggested method also.
> >> >
> >> >
> >> >
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