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akamai / boomerang

End user oriented web performance testing and beaconing
http://akamai.github.io/boomerang/
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Which event should I subscribe to control header value? #328

Closed iwindfree closed 2 years ago

iwindfree commented 2 years ago

I am developing boomerang plugin. I want to add custom value to request header or read specific header value from response header (simple page and xhr ). Which event should I subscribe (ex: xhr_load, xhr_send etc) I've looked in the development document for boomerang, but I can't find it exactly.

andreas-marschke commented 2 years ago

If you look at the code here: https://github.com/akamai/boomerang/blob/master/plugins/auto-xhr.js#L2232 You can find the xhr_init function that's called when an XHR is being initialized(open(ed)).

Unfortunately, as you can see when you scroll down to around here: https://github.com/akamai/boomerang/blob/master/plugins/auto-xhr.js#L2365 You'll see there's no chance for you to modify any and all network requests made on the page to include a header value.

However, if you intend to add that feature, feel free to contribute it to the team :)