HTTPS with Flash

Recently and a long time back, sometime in December 08 to be exact, I had the rare challenge of making HTTPS calls from a swf which did not sit on the same server. I faced quite a bunch of problems and I still do. But I do have some solutions which I have found on the internet from reliable sources, though not tried and tested, which may solve your issues should you come across this situation at any time.

The “allow-access-from” has an attribute called secure which very few people use.

Adobe says : 

secure

[HTTPS and Sockets only, optional] When false, allows an HTTPS policy file to grant access to a request coming from an HTTP source. The default for URL policy files is true, providing only HTTPS sources permission. Using false is not recommended. Socket policy files use a default of false.

So a sample would be

<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM
"http://www.adobe.com/xml/dtds/cross-domain-policy.dtd">

<cross-domain-policy>
	<allow-access-from domain="*.somedomain.com" secure="false"/>
</cross-domain-policy>
The second option which I believe will never give you any problems is using a proxy. This works even when you cannot get a crossdomain file onto the server you are feeding from.
A sample PHP Proxy is as follows:



<?php

$dataURL = "http://www.sowebme.com/murtaza/feed/";

//note that this does not follow redirects.

readfile($dataURL);

?>


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