On Fri, Oct 23, 2009 at 23:17, Don Lee <sam...@gmail.com> wrote:
>
> I sent a message to the web2py mailing list today asking is there was
> anything needed to allow for cross domain calls in it json-rpc setup.
> The answer was no. The python shell tests confirmed in my mind that
> the web2py backend was working properly.
>
>
> http://groups.google.com/group/web2py/browse_thread/thread/1b224f2206b816b5#
>
>
Cross-domain requests are tricky, in that they can be dangerous, and that
they can't be done with traditional XMLHttpRequest calls. qooxdoo implements
cross-domain requests in a way that works easily with qooxdoo's backends but
will require a bit of change to non-qooxdoo backends.
I'm not familiar with web2py, but if it's not designed to work with qooxdoo
cross-domain calls, you'll have to make some changes to it. In qooxdoo, when
a cross-domain request is made, the "Script Transport" is used. This
transport expects to receive back *a call to a function* in qooxdoo. qooxdoo
sends a request which includes a request id. The response from the backend
should be in the form:
"qx.io.remote.transport.Script._requestFinished(requestId,
responseValue);"
where requestId is the id that was passed to the request initially, and
responseValue is whatever your remote procedure call is trying to return.
Take a look at qooxdoo.contrib project RpcPhp or one of the other qooxdoo
backends to see the little bit of extra handling required for cross-domain
requests. (And then remember that bit about "dangerous" and be very, very
careful.)
Hope that helps.
Derrell
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