Getting rewritten and encoded/escaped url in nginx module

Maxim Dounin mdounin at
Tue Jun 3 17:17:28 UTC 2014


On Tue, Jun 03, 2014 at 09:42:41AM -0700, Jayadev C wrote:

> Hi, 
> I am writing a nginx proxy module and want to grab the url which 
> is urlencoded (as the client sends it) and also after rewrite 
> rules are applied.  My typical url looks like : 
> path1/path2/path3/urlencoded(key)?args, after rewriting the url 
> I would love to have is something like :
> newpath1/newpath2/newpath3/../urlencoded(key)?args.
> Currently , r->uri  is decoded rewritten uri, r->unparsed_uri is 
> encoded but not rewritten.
> I read on the forum that nginx decodes the url for rewrite, is 
> there a handy internal function I can use encode the rewritten 
> url back. A simple use of ngx_escape_uri(r->uri) with different 
> parameters doesn't do what I want out of the box. 

The ngx_escape_uri(r->uri) _is_ the internal function you should 
use if you need encoded URI.

If in doubt, try looking, e.g., into the ngx_http_proxy_create_request() 
function to see how it's done there.

Maxim Dounin

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