[undertow-dev] Using undertow client with proxy servers

[Stuart Douglas]

io.undertow.websockets.client.WebSocketClient contains an example of
how to use the CONNECT method, although we don't currently have any
way of then using the client over the created connection.

I think that ideally this would be implemented by enhancing the
existing client implementations, you should not really need a new
ClientProvider as the only real difference is in the connection
establishment.

Stuart

On Tue, Jul 18, 2017 at 1:23 AM, Kim Rasmussen <kr at asseco.dk> wrote:
> Hi,
>
> I have a usecase where I have a reverse proxy that uses a customized
> ProxyHandler - for some hosts, I need to proxy the requests onwards via a
> proxy server - e.g. a bluecoat proxy.
>
> So something like this:
> Browser --> Undertow reverse proxy --> Bluecoat Proxy --> Web server
>
> So, I need to use the undertow client with a (non-reverse) proxy server.
>
> I am guessing that with a ClientRequest, for non-ssl requests I should just
> be able to change the path from /mypath to http://my.server.name/mypath
> before sending it to the proxy server instead of to the destination host
> directly.
>
> But what would be the ideal way of handling this when I need SSL so I need
> to wrap the requests inside a "CONNECT my.server.name:443 HTTP/1.1" block
> before starting the SSL negotiation ? Any pointers ?
>
> Would creating a specific ClientProvider be a sensible way ?
>
> --
> Med venlig hilsen / Best regards
>
> Kim Rasmussen
> Partner, IT Architect
>
> Asseco Denmark A/S
> Kronprinsessegade 54
> DK-1306 Copenhagen K
> Mobile: +45 26 16 40 23
> Ph.: +45 33 36 46 60
> Fax: +45 33 36 46 61
>
>
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