Ways to monitor and capture requests for flash content

I'm currently in the process of creating a JavaScript tool to download videos from a website. However, this particular site does not provide a direct link to the video file for playback. Instead, it downloads a flash file that then requests the URL of the file from a remote server.

My main question is: how can we intercept or capture this URL request when the embedded flash opens it?

Answer №1

It's not feasible to capture any data from Browser Plugins using JavaScript, as you are limited by the Web Browser API restrictions (especially in cases where JavaScript is embedded via script tags or bookmarklets).

If you develop a Firefox extension, you can mimic functionalities similar to Firebug or DownthemAll (such as Media-Sniffing mode, as demonstrated here: https://github.com/nmaier/DownThemAll/blob/master/modules/support/contenthandling.jsm)

The only other option would be reverse engineering the location of the video, for instance by extracting flashvars, although this approach may be more challenging with websites like YouTube.

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