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When proxying through a load balancer that terminates SSL, the forwarded request will appear as though its HTTP instead of HTTPS to the application. This makes redirects and cookie security target HTTP instead of HTTPS. This middleware makes the server assume that the proxy already terminated SSL, and that the request really is HTTPS.

Methods
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Class Public methods

new(app)

Source: show 

# File actionpack/lib/action_dispatch/middleware/assume_ssl.rb, line 9
def initialize(app)
  @app = app
end

Instance Public methods

call(env)

Source: show 

# File actionpack/lib/action_dispatch/middleware/assume_ssl.rb, line 13
def call(env)
  env["HTTPS"] = "on"
  env["HTTP_X_FORWARDED_PORT"] = 443
  env["HTTP_X_FORWARDED_PROTO"] = "https"
  env["rack.url_scheme"] = "https"

  @app.call(env)
end