proxy with mapUri, example

[gregtzar]

Would it be possible to provide an example of using the proxy handler with mapUri? I am trying to implement a /proxy route which performs a simple forward proxy to the url querystring which gets passed to the route. I thought that mapUri would do this, but am left guessing at how it works, and what the method signature is (I just didn't have time to dig into the source today but will try that tomorrow). I must be using it wrong because the literal value for the url querystring is getting returned to the client.

Example server:

var port = 9090,
    Hapi = require('hapi'),
    server = new Hapi.Server('localhost', port);

server.route({
    method: "GET",
    path: "/proxy",
    handler: {
        proxy: {
            mapUri: function(req, cb) {
                cb(req.query.url);
            }
        }
    }
});

server.start();

Example request:

GET http://localhost:9090/proxy?url=http://www.google.com

Example response:

http://www.google.com

Expected response:

[google homepage]

[hueniverse]

The current mapUri callback signature makes no sense. I'll update it shortly and document the pattern. Your code above should work with a minor tweak:

cb(null, req.query.url);

[gregtzar]

Right on. So with this contract change, would the mapped querystring now become an optional part of the mapped url (as opposed to being a separate parameter passed to the callback)?

[hueniverse]

Yes, you just need to pass back a fully qualified URI

[maimike]

This example no longer works. Got error cb is not a function even i use cb(null, req.query.url);

[lock]

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