Hi
I am having a gadget which needs to consume services from the
enterprise intranet. I tried to to use SDC (Secure Data Connector) but
it looks like it can not work from the wave.
Here is the solution I came up with:

Preconditions:
•       The wave is embedded inside a web page.
•       The wave contains a gadget
•       The web page run in the intranet.
•       HTML 5 "postMessage" is enabled. (Firefox,Chrome,IE8)

How it works:
When the wave needs to consume services from the intranet it sends a
message to the containing html page. Since this html comes from the
intranet it has the rights to perform Ajax call and to invoke the
service. The Ajax callback function send the response back to the
caller (the wave).

Side note:
When I developed this solution it was quite funny to discover that the
Wave developers makes heavy usage of "postMessage" and I had to find a
way to ignore the other messages and to deal only with messages I am
interested in.

Thanks

Avishay

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