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POAccessing redirected-to URL when making an HTTP request
 

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  1. POAccessing redirected-to URL when making an HTTP request
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    <p>When making an HTTP request (using URLLoader, for example) that results in a redirect, is it possible to access any of the URLs in the redirect chain?</p> <p>For example, let's say that the following happens:</p> <ol> <li>We make a request to example.com/a.gif</li> <li>example.com redirects to example2.com/b.gif</li> <li>example2.com redirects to example3.com/c.gif</li> </ol> <p>I've stared at the documentation for URLLoader and its various events for a while, and it doesn't seem like there's a way to either:</p> <ol> <li>Instruct URLLoader to not follow redirects</li> <li>Access any of the URLs involved after the initial request</li> </ol> <p>Does anyone know if there's a way to do this? I'm not attached to using URLLoader, so if there's another class that supports this functionality, I'd be fine with using it.</p> <p>Can anyone point me in the right direction? Thanks in advance!</p> <p><strong>Edit</strong> - I should clarify: I know how to detect the redirects outside of AS3 using a DOM debugger. I'm specifically interested in accessing the redirect chain within AS3. It would appear that it's possible using the AIR player via the <a href="http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/events/HTTPStatusEvent.html#responseURL" rel="nofollow">HttpStatusEvent</a>, but the relevant properties aren't available when using Flash Player.</p> <p><strong>Edit 2</strong> - I've also tried using an HTTP client lib (as3httpclientlib, to be specific). This works except for the fact that it loads cross-domain policies from port 843 rather than by making an HTTP request to /crossdomain.xml. The context I'm working in requires the latter, so using something with Socket underlying it won't work unless there's a way to force Socket to load cross-domain policies from HTTP instead of port 843.</p>
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    1. COAre these server side redirects or client side redirects? If they are server side; won't they be transparent to the Flex app?
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    2. COThey're server-side redirects (that's why I said "example.com" redirects to example2.com). The redirects are followed automatically. I'm trying to find a way to intercept the redirects, or at least be aware that they're happening.
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    3. COYou might have more success doing this with the [AS3HTTPClient library](https://github.com/gabriel/as3httpclient). This library uses a Flash Socket to make HTTP requests ... as a result you should be able to get at the HTTP response and the result code that it contains. I'm assuming AS3HTTPClient follows redirects, but that you'll have to probably modify the source to make it dispatch events to notify you that it's following a redirect.
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