my focus is on if/how a masked url redirect should be laid out.
if the url is a direct media location, i dont think its ludicrous to suggest that the filename reside in the url instead of replacing it with a fake filename format etc.
On 3/16/06, Andreas Haugstrup <[EMAIL PROTECTED]> wrote:
On Thu, 16 Mar 2006 17:11:00 +0100, Michael Sullivan
<[EMAIL PROTECTED]> wrote:
> this url is logical and cross-compatible
> http://feeds.feedburner.com/
> spainfulfilms?id=25&file=fashion05POD.mp4
Is it? This is an identical URL:
http://feeds.feedburner.com/spainfulfilms?file=fashion05POD.mp4&id=25
Should it always be "file" or should other values be permitted? What are
the security implications of identifying a filename via the query string?
This is a classic case of "if it ain't broke, don't fix it". There *is* a
standard handling these issues. It's called HTTP, and it's very stable and
very well supported. If your library can't handle basic HTTP features like
302 headers and seperating the filename from the query string, you need to
get a new library.
If you want to find the type of file behind a URL it's an easy three step
process:
1. Resolve all redirects (your library should do this for you).
2. Check the "Content-type" header for a mime type. If this is a known
video format, great if not...
3. Check the file name. If it ends in .mp4, .m4v or another known
troublemaker *and* the content-type is set to "text/plain" assume that
it's an mp4. If not assume you're recieving text/plain.
Not rocket science. If your HTTP library is faulty then enclosures will be
the least of your worries. Fix your library instead of asking the whole
wide world to adopt some arbitrary format. There are issues with HTTP, but
this ain't one of them.
--
Andreas Haugstrup Pedersen
<URL: http://www.solitude.dk/ >
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