Hi,
I am trying to write a filter that will sit on a proxy server and alter HTTP requests. Basically, what I want it to do is modify the User-Agent header field so that when the request is proxied, the remote web server gets a different User-Agent header field to the one that was originally sent by the browser. There are also other header fields I may need to modify, but I would imagine this is a simple task once I've worked out how to alter the User-Agent field.
Does anyone have any ideas how I might go about doing this? I've tried
writing several PerlInputFilterHandlers, all with no success. Will input
filters work with a proxy? I've got output filters working with no
problem.
Any sample code to do what I want, along with the relavent Apache directives would be very much appreciated!
The sample code that you need is here: http://perl.apache.org/docs/2.0/user/handlers/filters.html#Connection_Input_Filters
I haven't tried to mix filters with proxy, but I see no reason why shouldn't it work. It might not work if proxy is implemented as a filter itself and is running before the modperl filters, need to look at the actual implementation.
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