Class: Rack::CnameRequest

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/cname_request.rb,
lib/rack/cname_request/version.rb

Constant Summary collapse

VERSION = 
'0.1.0'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, cname_header_key: nil) ⇒ CnameRequest

Returns a new instance of CnameRequest.



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# File 'lib/rack/cname_request.rb', line 8

def initialize(app, cname_header_key: nil)
  @app = app
  @http_cname_header_key = "HTTP_#{cname_header_key}"
end

Instance Attribute Details

#http_cname_header_key ⇒ Object (readonly)

Returns the value of attribute http_cname_header_key.



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# File 'lib/rack/cname_request.rb', line 6

def http_cname_header_key
  @http_cname_header_key
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/cname_request.rb', line 13

def call(env)
  status, headers, body = @app.call env

  if headers['Location'] && env[http_cname_header_key]
    uri = URI(headers['Location'])
    uri.host = env[http_cname_header_key]
    headers['Location'] = uri.to_s
  end

  [status, headers, body]
end