[Dancer-users] Redirects on https:// sites

Stefan Hornburg (Racke) racke at linuxia.de
Tue May 3 21:15:17 CEST 2011

On 05/02/2011 09:52 AM, Stefan Hornburg (Racke) wrote:
> Hello, fellow dancers!
> I got a simple, Dropbox-alike Dancer application in the works. The site
> is running on https:// with Perlbal, Starman and started with plackup.
> Any relative redirects like redirect 'login' are pointing to http://
> instead of https://.
> What could be the reason?

OK, figured it out with the help of #dancer IRC channel, thanks to
miyagawa and bigpresh.

Here's the summary for the archives.

Perlbal serves as reverse proxy on https://, but Plack is running

This is the https::// configuration for Perlbal:

# HTTPS selector
CREATE SERVICE dropbox_ssl_selector
  SET listen              =
  SET role                = selector
  SET plugins             = vpaths
  SET enable_ssl          = on
  SET ssl_key_file        = /etc/ssl/private/ssl-cert.key
  SET ssl_cert_file       = /etc/ssl/certs/ssl-cert.pem
  VPATH .*                = web_prod
ENABLE dropbox_ssl_selector
HEADER dropbox_ssl_selector INSERT X-Forwarded-Proto: HTTPS

The trick to pass the protocol into the dancer application is to
use Plack::Middleware::ReverseProxy as follows:

builder {
       enable_if { $_[0]->{REMOTE_ADDR} eq '' }


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